pidgin/purple-plugin-pack

Parents dc7b0c1e5035
Children ca8e25598f80
remove the ignorance plugin as it's incomplete and unlikely to be completed
--- a/ignorance/README.md Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,10 +0,0 @@
-# Ignorance
-
-status: incomplete
-dependencies: pidgin
-authors: Levi Bard
-introduced: 1.0beta7
-notes: Needs some TLC. It builds and probably works, but is far from an acceptible state.
-
-Allows management of users with various levels of activity.
-
--- a/ignorance/callbacks.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,701 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#include <string.h>
-#include <gtk/gtk.h>
-
-#include "callbacks.h"
-#include "interface.h"
-#include "support.h"
-#include "ignorance.h"
-#include "ignorance_internal.h"
-
-static gboolean populate_panel(GtkTreeSelection *sel);
-static gboolean verify_form();
-static gboolean add_rule_from_form(GtkTreeView *view);
-static gboolean add_group_from_form(GtkTreeView *view);
-static gboolean edit_rule_from_form(GtkTreeView *view);
-static gboolean del_rule_from_form(GtkTreeView *view);
-static gboolean del_group_from_form(GtkTreeView *view);
-static gboolean ignorance_rule_valid(const gchar *ruletext, gint ruletype);
-static gboolean ignorance_rulename_valid(const gchar *rule_name);
-
-gboolean on_levelView_row_activated (GtkTreeSelection *sel, gpointer user_data) {
- populate_panel(sel);
- return FALSE;
-}
-
-void on_levelAdd_clicked (GtkButton *button, gpointer user_data) {
-
- if(verify_form()) {
- if(!add_rule_from_form(user_data)) {
- /* XXX: */
- }
- }
-}
-
-void on_groupAdd_clicked (GtkButton *button, gpointer user_data) {
- if(verify_form()) {
- if(!add_group_from_form(user_data)) {
- /* XXX: Do something I guess? -- sadrul */
- }
- }
-}
-
-void on_levelEdit_clicked (GtkButton *button, gpointer user_data) {
- if(verify_form()) {
- if(!edit_rule_from_form(user_data)) {
- /* XXX: Do something I guess? -- sadrul */
- }
- }
-}
-
-void
-on_levelDel_clicked (GtkButton *button, gpointer user_data) {
- if(rule_selected) {
- if(verify_form()) {
- if(!del_rule_from_form(user_data)) {
- /* XXX: */
- }
- }
- } else {
- del_group_from_form(user_data);
- }
-}
-
-static gboolean populate_panel(GtkTreeSelection *sel) {
- GtkTreeIter iter;
- GtkTreeModel *model;
- gchar *levnames, *rulenames;
- ignorance_level *level=NULL;
- ignorance_rule *rule=NULL;
- GString *levgs, *rulegs;
-
- if (gtk_tree_selection_get_selected (sel, &model, &iter)) {
- gtk_tree_model_get (model, &iter, LEVEL_COLUMN, &levnames, -1);
- gtk_tree_model_get(model,&iter,RULE_COLUMN,&rulenames,-1);
- if(strlen(rulenames)) {
- rule_selected=TRUE;
- levgs=g_string_new(levnames);
- rulegs=g_string_new(rulenames);
- level=ignorance_get_level_name(levgs);
- rule=ignorance_level_get_rule(level,rulegs);
- if(!rule) {
- fprintf(stderr,"Ignorance: Unable to find rule %s on level %s\n",
- rulegs->str,level->name->str);
- return FALSE;
- }
-
- gtk_entry_set_text(GTK_ENTRY(rulename),rulenames);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(filter_cb),
- rule->score & IGNORANCE_FLAG_FILTER);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ignore_cb),
- rule->score & IGNORANCE_FLAG_IGNORE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(message_cb),
- rule->score & IGNORANCE_FLAG_MESSAGE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(sound_cb),
- rule->score & IGNORANCE_FLAG_SOUND);
-
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(execute_cb),
- rule->score & IGNORANCE_FLAG_EXECUTE);
-
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(message_cb))) {
- gtk_entry_set_text(GTK_ENTRY(message_entry),rule->message);
- }
-
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(sound_cb))) {
- gtk_entry_set_text(GTK_ENTRY(sound_entry),rule->sound);
- }
-
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(execute_cb))) {
- gtk_entry_set_text(GTK_ENTRY(execute_entry),rule->command);
- }
-
- gtk_entry_set_text(GTK_ENTRY(filtervalue),
- (const gchar*)(rule->value));
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(im_type_cb),
- rule->flags & IGNORANCE_APPLY_IM);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(chat_type_cb),
- rule->flags & IGNORANCE_APPLY_CHAT);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(username_type_cb),
- rule->flags & IGNORANCE_APPLY_USER);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enterleave_type_cb),
- rule->flags & IGNORANCE_APPLY_ENTERLEAVE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(invite_type_cb),
- rule->flags & IGNORANCE_APPLY_INVITE);
-
-
-#ifdef HAVE_REGEX_H
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(regex_cb),
- rule->type & IGNORANCE_RULE_REGEX);
-#endif
-
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(repeat_cb),
- rule->type & IGNORANCE_RULE_REPEAT);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enabled_cb),
- rule->enabled);
-
- gtk_button_set_label(GTK_BUTTON(levelDel),"Remove rule");
-
- g_string_free(levgs,TRUE);
- g_string_free(rulegs,TRUE);
- } else {
- rule_selected=FALSE;
- gtk_entry_set_text(GTK_ENTRY(rulename),"");
- gtk_entry_set_text(GTK_ENTRY(filtervalue),"");
-
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(im_type_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(chat_type_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(username_type_cb),
- FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enterleave_type_cb),
- FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(invite_type_cb),
- FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(filter_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ignore_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(message_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(sound_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(execute_cb),FALSE);
-
-#ifdef HAVE_REGEX_H
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(regex_cb),FALSE);
-#endif
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(repeat_cb),FALSE);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enabled_cb),FALSE);
-
- gtk_button_set_label(GTK_BUTTON(levelDel),"Remove group");
- }
-
- g_free(levnames);
- g_free(rulenames);
- }
-
- return FALSE;
-}
-
-void on_filter_cb_toggled (GtkButton *button, gpointer user_data) {
- gboolean amdisabled=!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
-
- if(!amdisabled) {
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(message_cb),amdisabled);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(ignore_cb),amdisabled);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(sound_cb),amdisabled);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(execute_cb),amdisabled);
- }
-
- /* Maybe we *should* allow them to send a message on filter */
- gtk_widget_set_sensitive(message_cb,amdisabled);
- gtk_widget_set_sensitive(ignore_cb,amdisabled);
- gtk_widget_set_sensitive(sound_cb,amdisabled);
- gtk_widget_set_sensitive(execute_cb,amdisabled);
-}
-
-void on_ignore_cb_toggled (GtkButton *button, gpointer user_data) {
- gboolean amdisabled=!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(button));
-
- if(!amdisabled) {
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(message_cb),amdisabled);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(filter_cb),amdisabled);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(sound_cb),amdisabled);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(execute_cb),amdisabled);
- }
-
- /* Maybe we *should* allow them to send a message on ignore */
- gtk_widget_set_sensitive(message_cb,amdisabled);
- gtk_widget_set_sensitive(filter_cb,amdisabled);
- gtk_widget_set_sensitive(sound_cb,amdisabled);
- gtk_widget_set_sensitive(execute_cb,amdisabled);
-}
-
-void on_message_cb_toggled (GtkButton *button, gpointer user_data) {
- gboolean isactive=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(message_cb));
- if(!isactive) {
- gtk_entry_set_text(GTK_ENTRY(message_entry),"");
- }
- gtk_widget_set_sensitive(message_entry,isactive);
-}
-
-void on_sound_cb_toggled (GtkButton *button, gpointer user_data) {
- gboolean isactive=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(sound_cb));
-
- if(!isactive) {
- gtk_entry_set_text(GTK_ENTRY(sound_entry),"");
- }
- gtk_widget_set_sensitive(sound_entry,isactive);
-#if GTK_CHECK_VERSION(2,4,0)
- gtk_widget_set_sensitive(sound_browse,isactive);
-#endif
-}
-
-void on_execute_cb_toggled (GtkButton *button, gpointer user_data) {
- gboolean isactive=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(execute_cb));
- if(!isactive) {
- gtk_entry_set_text(GTK_ENTRY(execute_entry),"");
- }
- gtk_widget_set_sensitive(execute_entry,isactive);
- /*gtk_widget_set_sensitive(execute_browse,isactive);*/
-}
-
-void on_sound_browse_clicked (GtkButton *button, gpointer user_data) {
-#if GTK_CHECK_VERSION(2,4,0)
- GtkWidget *fcd=gtk_file_chooser_dialog_new("Choose sound",NULL,
- GTK_FILE_CHOOSER_ACTION_OPEN, GTK_STOCK_CANCEL,
- GTK_RESPONSE_CANCEL, GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
- NULL);
- gchar *filename=NULL;
-
- if(GTK_RESPONSE_ACCEPT == gtk_dialog_run(GTK_DIALOG(fcd))) {
- filename=gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(fcd));
- if(filename) {
- gtk_entry_set_text(GTK_ENTRY(sound_entry),filename);
- g_free(filename);
- }
- }
-
- gtk_widget_destroy(fcd);
-#endif
-}
-
-/*No command browser for now
-void on_execute_browse_clicked (GtkButton *button, gpointer user_data) {
- gchar *filename=gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(execute_browse));
- if(filename) {
- gtk_entry_set_text(GTK_ENTRY(execute_entry),filename);
- }
-}
-*/
-
-static gboolean verify_form() {
- gboolean rv=TRUE;
- gchar *tmp;
- gint type=IGNORANCE_RULE_SIMPLETEXT;
-
- tmp=(gchar*)gtk_entry_get_text(GTK_ENTRY(filtervalue));
-#ifdef HAVE_REGEX_H
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(regex_cb))) {
- type=IGNORANCE_RULE_REGEX;
- }
-#endif
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(repeat_cb))) {
- type=IGNORANCE_RULE_REPEAT;
- }
-
- rv=ignorance_rule_valid(tmp,type);
-
- if(!rv) {
- purple_debug_error("ignorance","Rule invalid: %s\n",tmp);
- }else{
- tmp=(gchar*)gtk_entry_get_text(GTK_ENTRY(rulename));
- rv=ignorance_rulename_valid(tmp);
-
- if(!rv) {
- purple_debug_error("ignorance","Rule name invalid: %s\n",tmp);
- }
- }
-
- return rv;
-}
-
-
-static gboolean add_rule_from_form(GtkTreeView *view) {
- ignorance_rule *rule=NULL;
- ignorance_level *level=NULL;
- GString *rule_name, *level_name;
- GtkTreeSelection *sel;
- GtkTreeIter iter, childiter;
- GtkTreeModel *model;
- gchar *rule_value=NULL, *rule_message=NULL, *rule_sound=NULL,
- *rule_command=NULL;
- gint rule_score=0, rule_type=IGNORANCE_RULE_SIMPLETEXT, rule_flags=0;
- gboolean rv=FALSE, rule_enable;
-
- sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
-
- if (!gtk_tree_selection_get_selected (sel, &model, &iter)) {
- return rv;
- }
-
- gtk_tree_model_get (model, &iter, LEVEL_COLUMN, &rule_value, -1);
-
- if(!rule_value) {
- return rv;
- }else if(!strlen(rule_value)) {
- g_free(rule_value);
- return rv;
- }
-
- level_name=g_string_new(rule_value);
- g_free(rule_value);
-
- gtk_tree_model_get(model,&iter,RULE_COLUMN,&rule_value,-1);
- if(strlen(rule_value)) {
- childiter=iter;
- gtk_tree_model_iter_parent(model,&iter,&childiter);
- }
-
- g_free(rule_value);
-
- level=ignorance_get_level_name(level_name);
-
- rule_name=g_string_new(gtk_entry_get_text(GTK_ENTRY(rulename)));
-
- rule=ignorance_level_get_rule(level,rule_name);
-
- if(rule) {
- g_string_free(level_name,TRUE);
- g_string_free(rule_name,TRUE);
- return rv;
- }
-
-#ifdef HAVE_REGEX_H
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(regex_cb))) {
- rule_type=IGNORANCE_RULE_REGEX;
- }
-#endif
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(repeat_cb))) {
- rule_type=IGNORANCE_RULE_REPEAT;
- }
-
- rule_value=(gchar*)gtk_entry_get_text(GTK_ENTRY(filtervalue));
-
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(im_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_IM;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(chat_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_CHAT;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(username_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_USER;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(enterleave_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_ENTERLEAVE;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(invite_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_INVITE;
- }
-
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(filter_cb))) {
- rule_score |= IGNORANCE_FLAG_FILTER;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ignore_cb))) {
- rule_score |= IGNORANCE_FLAG_IGNORE;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(message_cb))) {
- rule_score |= IGNORANCE_FLAG_MESSAGE;
- rule_message=(gchar*)gtk_entry_get_text(GTK_ENTRY(message_entry));
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(sound_cb))) {
- rule_score |= IGNORANCE_FLAG_SOUND;
- rule_sound=(gchar*)gtk_entry_get_text(GTK_ENTRY(sound_entry));
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(execute_cb))) {
- rule_score |= IGNORANCE_FLAG_EXECUTE;
- rule_command=(gchar*)gtk_entry_get_text(GTK_ENTRY(execute_entry));
- }
-
- rule_enable=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(enabled_cb));
-
- rule=ignorance_rule_newp(rule_name,rule_type,rule_value,rule_score,
- rule_flags,rule_enable,rule_message,rule_sound,
- rule_command);
-
- rv=ignorance_level_add_rule(level,rule);
-
- if(rv) {
- gtk_tree_store_append(GTK_TREE_STORE(model),&childiter,&iter);
- gtk_tree_store_set(GTK_TREE_STORE(model),&childiter,LEVEL_COLUMN,level_name->str,RULE_COLUMN,rule_name->str,-1);
- }
-
- g_string_free(level_name,TRUE);
- g_string_free(rule_name,TRUE);
-
- return rv;
-}
-
-static gboolean add_group_from_form(GtkTreeView *view) {
- gboolean rv=TRUE;
- GtkTreeIter iter;
- GtkTreeStore *store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(view)));
-
- ignorance_level *level=ignorance_level_new();
- level->name=g_string_new(gtk_entry_get_text(GTK_ENTRY(rulename)));
-
- rv=ignorance_add_level(level);
-
- if(rv) {
- gtk_tree_store_append(store,&iter,NULL);
- gtk_tree_store_set (store, &iter, LEVEL_COLUMN, level->name->str,
- RULE_COLUMN, "", -1);
- }
-
- return rv;
-}
-
-static gboolean edit_rule_from_form(GtkTreeView *view) {
- ignorance_level *level;
- ignorance_rule *rule;
- GString *rule_name, *level_name;
- GtkTreeSelection *sel;
- GtkTreeIter iter;
- GtkTreeModel *model;
- gchar *rule_value, *rule_message=NULL, *rule_sound=NULL, *rule_command=NULL;
- gint rule_score=0, rule_type=IGNORANCE_RULE_SIMPLETEXT, rule_flags=0;
- gboolean rule_enable, rv;
-
- sel = gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
-
- if (!gtk_tree_selection_get_selected (sel, &model, &iter)) {
- return FALSE;
- }
-
- gtk_tree_model_get (model, &iter, LEVEL_COLUMN, &rule_value, -1);
-
- if(!rule_value) {
- return FALSE;
- }else if(!strlen(rule_value)) {
- g_free(rule_value);
- return FALSE;
- }
-
- level_name=g_string_new(rule_value);
- g_free(rule_value);
- level=ignorance_get_level_name(level_name);
-
- rule_name=g_string_new(gtk_entry_get_text(GTK_ENTRY(rulename)));
-
- rule=ignorance_level_get_rule(level,rule_name);
-
- if(!rule) {
- fprintf(stderr,"Ignorance: Rule \"%s\" not found on level %s\n",rule_name->str,level_name->str);
- g_string_free(rule_name,TRUE);
- g_string_free(level_name,TRUE);
- return FALSE;
- }
-
-#ifdef HAVE_REGEX_H
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(regex_cb))) {
- rule_type=IGNORANCE_RULE_REGEX;
- }
-#endif
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(repeat_cb))) {
- rule_type=IGNORANCE_RULE_REPEAT;
- }
-
- rule->type=rule_type;
-
- rule_value=(gchar*)gtk_entry_get_text(GTK_ENTRY(filtervalue));
- g_free(rule->value);
- rule->value=g_strdup(rule_value);
-
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(im_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_IM;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(chat_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_CHAT;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(username_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_USER;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(enterleave_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_ENTERLEAVE;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(invite_type_cb))) {
- rule_flags |= IGNORANCE_APPLY_INVITE;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(filter_cb))) {
- rule_score |= IGNORANCE_FLAG_FILTER;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(ignore_cb))) {
- rule_score |= IGNORANCE_FLAG_IGNORE;
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(message_cb))) {
- rule_score |= IGNORANCE_FLAG_MESSAGE;
- rule_message=(gchar*)gtk_entry_get_text(GTK_ENTRY(message_entry));
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(sound_cb))) {
- rule_score |= IGNORANCE_FLAG_SOUND;
- rule_sound=(gchar*)gtk_entry_get_text(GTK_ENTRY(sound_entry));
- }
- if(gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(execute_cb))) {
- rule_score |= IGNORANCE_FLAG_EXECUTE;
- rule_command=(gchar*)gtk_entry_get_text(GTK_ENTRY(execute_entry));
- }
-
- rule_enable=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(enabled_cb));
-
- rule=ignorance_rule_newp(rule_name, rule_type, rule_value, rule_score,
- rule_flags,rule_enable,rule_message,rule_sound,
- rule_command);
-
- rv=ignorance_level_remove_rule(level,rule_name);
-
- if(rv) {
- rv=ignorance_level_add_rule(level,rule);
- }
-
- rule->flags=rule_flags;
- rule->enabled=gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(enabled_cb));
-
- g_string_free(rule_name,TRUE);
- g_string_free(level_name,TRUE);
-
- return rv;
-}
-
-static gboolean del_rule_from_form(GtkTreeView *view) {
- ignorance_level *level;
- ignorance_rule *rule;
- GString *rule_name, *level_name;
- GtkTreeSelection *sel;
- GtkTreeIter iter;
- GtkTreeModel *model;
- gchar *rule_value;
- gboolean rv=FALSE;
-
- sel=gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
-
- if (!gtk_tree_selection_get_selected (sel, &model, &iter)) {
- return rv;
- }
-
- gtk_tree_model_get (model, &iter, LEVEL_COLUMN, &rule_value, -1);
-
- if(!rule_value) {
- return rv;
- }else if(!strlen(rule_value)) {
- g_free(rule_value);
- return rv;
- }
-
- level_name=g_string_new(rule_value);
- g_free(rule_value);
- level=ignorance_get_level_name(level_name);
-
- rule_name=g_string_new(gtk_entry_get_text(GTK_ENTRY(rulename)));
-
- rule=ignorance_level_get_rule(level,rule_name);
-
- if(!rule) {
- fprintf(stderr,"Ignorance: Rule \"%s\" not found on level %s\n",
- rule_name->str,level_name->str);
- g_string_free(rule_name,TRUE);
- g_string_free(level_name,TRUE);
- return rv;
- }
-
- rv=ignorance_level_remove_rule(level,rule_name);
-
- if(rv) {
- gtk_tree_store_remove(GTK_TREE_STORE(model),&iter);
- }
-
- g_string_free(rule_name,TRUE);
- g_string_free(level_name,TRUE);
-
- return rv;
-}
-
-static gboolean del_group_from_form(GtkTreeView *view) {
- GString *level_name;
- GtkTreeSelection *sel;
- GtkTreeIter iter;
- GtkTreeModel *model;
- gchar *rule_value;
- gboolean rv=FALSE;
-
- sel=gtk_tree_view_get_selection(GTK_TREE_VIEW(view));
-
- if (!gtk_tree_selection_get_selected (sel, &model, &iter)) {
- return rv;
- }
-
- gtk_tree_model_get (model, &iter, LEVEL_COLUMN, &rule_value, -1);
-
- if(!rule_value) {
- return rv;
- }else if(!strlen(rule_value)) {
- g_free(rule_value);
- return rv;
- }
-
- level_name=g_string_new(rule_value);
- g_free(rule_value);
-
- ignorance_remove_level(level_name);
- gtk_tree_store_remove(GTK_TREE_STORE(model),&iter);
- rv=TRUE;
-
- return rv;
-}
-
-
-
-gboolean load_form_with_levels(GtkTreeView *tree, GPtrArray *levels) {
- int i,j;
- GtkTreeStore *store=GTK_TREE_STORE(gtk_tree_view_get_model(tree));
- GtkTreeIter iter, ruleiter;
- ignorance_level *level;
- ignorance_rule *rule;
-
- if(!levels) {
- return FALSE;
- }
-
- for(i=0;i<levels->len;++i) {
- level=(ignorance_level*)g_ptr_array_index(levels,i);
- gtk_tree_store_append(store,&iter,NULL);
- gtk_tree_store_set (store, &iter, LEVEL_COLUMN, level->name->str,
- RULE_COLUMN, "", -1);
-
- for(j=0;j<level->rules->len;++j) {
- rule=(ignorance_rule*)g_ptr_array_index(level->rules,j);
- gtk_tree_store_append(store,&ruleiter,&iter);
- gtk_tree_store_set(store,&ruleiter, LEVEL_COLUMN, level->name->str,
- RULE_COLUMN, rule->name->str, -1);
- }
- }
-
- return FALSE;
-}
-
-static gboolean ignorance_rule_valid(const gchar *ruletext, gint ruletype) {
- gboolean rv=FALSE;
-
-#ifdef HAVE_REGEX_H
- regex_t reg;
-#endif
-
- switch(ruletype) {
- case IGNORANCE_RULE_SIMPLETEXT:
- case IGNORANCE_RULE_REPEAT:
- rv=TRUE;
- break;
-#ifdef HAVE_REGEX_H
- case IGNORANCE_RULE_REGEX:
- rv=!((gboolean)regcomp(&reg,ruletext,REG_EXTENDED | REG_NOSUB));
- rv=(rv && strlen(ruletext));
- regfree(&reg);
- break;
-#endif
- }
-
- return rv;
-}
-
-static gboolean ignorance_rulename_valid(const gchar *rule_name) {
- return TRUE;
-}
--- a/ignorance/callbacks.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,60 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_CALLBACKS_H
-#define IGNORANCE_CALLBACKS_H
-
-#include <gtk/gtk.h>
-
-#ifdef HAVE_REGEX_H
-# include <regex.h>
-#endif
-
-enum{
- LEVEL_COLUMN,
- RULE_COLUMN,
- NUM_COLUMNS
-};
-
-gboolean on_levelView_row_activated (GtkTreeSelection *sel, gpointer user_data);
-
-void on_levelAdd_clicked (GtkButton *button, gpointer user_data);
-
-void on_groupAdd_clicked (GtkButton *button, gpointer user_data);
-
-void on_levelEdit_clicked (GtkButton *button, gpointer user_data);
-
-void on_levelDel_clicked (GtkButton *button, gpointer user_data);
-
-void on_sound_browse_clicked (GtkButton *button, gpointer user_data);
-
-/*
-void on_execute_browse_clicked (GtkButton *button, gpointer user_data);
-*/
-
-void on_filter_cb_toggled (GtkButton *button, gpointer user_data);
-
-void on_ignore_cb_toggled (GtkButton *button, gpointer user_data);
-
-void on_message_cb_toggled (GtkButton *button, gpointer user_data);
-
-void on_sound_cb_toggled (GtkButton *button, gpointer user_data);
-
-void on_execute_cb_toggled (GtkButton *button, gpointer user_data);
-
-gboolean load_form_with_levels (GtkTreeView *tree, GPtrArray *levels);
-
-#endif
--- a/ignorance/ignorance.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1209 +0,0 @@
-/*
- * Ignorance - Make up for deficiencies in Purple's privacy
- *
- * Copyright (c) 200?-2006 Levi Bard
- * Copyright (c) 2005-2006 Peter Lawler
- * Copyright (c) 2005-2006 John Bailey
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#define PURPLE_PLUGINS
-
-/* ignorance headers */
-#include "ignorance_level.h"
-#include "ignorance_internal.h"
-#include "ignorance.h"
-#include "ignorance_denizen.h"
-#include "ignorance_violation.h"
-#include "ignorance_rule.h"
-
-/* GTK Purple headers */
-#include <gtkplugin.h>
-#include <gtkutils.h>
-
-#include "interface.h"
-
-/* libpurple headers */
-#include <blist.h>
-#include <cmds.h>
-#include <conversation.h>
-#include <purple.h>
-#include <plugin.h>
-#include <privacy.h>
-#include <signals.h>
-#include <sound.h>
-#include <util.h>
-#include <version.h>
-
-/* libc headers */
-#include <errno.h>
-#include <signal.h>
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <time.h>
-#include <unistd.h>
-
-/* for OSes that can at least *pretend* to be decent... */
-#ifndef _WIN32
-# include <sys/wait.h>
-# include <sys/types.h>
-# include <sys/select.h>
-# include <fcntl.h>
-# include <sys/stat.h>
-#endif
-
-/* globals */
-static GPtrArray *levels;
-
-static ignorance_level* ignorance_get_default_level() {
- gint i = 0;
- ignorance_level *il;
-
- for(i = 0; i < levels->len; ++i) {
- il = (ignorance_level*)g_ptr_array_index(levels, i);
-
- if(!strcmp(il->name->str, "Default"))
- return il;
- }
-
- return NULL;
-}
-
-static gboolean ignorance_user_match(ignorance_level *il, const GString *username){
- return (ignorance_level_has_denizen(il,username));
-}
-
-static ignorance_level* ignorance_get_user_level(const GString *username){
- gint i = 0;
- ignorance_level *il = NULL;
-
- for(i = 0; i < levels->len; ++i){
- il = (ignorance_level*)g_ptr_array_index(levels, i);
- if(ignorance_user_match(il, username))
- return il;
- }
-
- return ignorance_get_default_level();
-}
-
-static void purple_buddy_add(gpointer key, gpointer value, gpointer user_data) {
- PurpleBuddy *buddy = (PurpleBuddy*)value;
- ignorance_level *level = (ignorance_level*)user_data;
- PurpleAccount *account = NULL;
- gchar *name = NULL;
- GString *tmp;
-
- if(buddy && level) {
- name = (gchar*)buddy->name;
- account = buddy->account;
- tmp = g_string_new(purple_account_get_protocol_id(account));
- g_string_append(tmp, purple_normalize_nocase(account, name));
-
- if(ignorance_get_user_level(tmp) == ignorance_get_default_level()) {
- ignorance_level_add_denizen(level, tmp);
-
- if(strstr(level->name->str, "WL")) {
- purple_privacy_deny_remove(account, name, FALSE);
- purple_privacy_permit_add(account, name, FALSE);
- } else if(strstr(level->name->str,"BL")) {
- purple_privacy_permit_remove(account, name, FALSE);
- purple_privacy_deny_add(account, name, FALSE);
- }
- }
-
- g_string_free(tmp, TRUE);
- } else {
- purple_debug_error("ignorance", "Bad arguments to purple_buddy_add\n");
- }
-}
-
-static gint buf_get_line(gchar *ibuf, gchar **buf, gint *position, gint len) {
- gint pos = *position,
- spos = pos;
-
- if (pos == len)
- return 0;
-
- while (ibuf[pos++] != '\n') {
- if (pos == len)
- return 0;
- }
-
- pos--;
- ibuf[pos] = 0;
- *buf = &ibuf[spos];
- pos++;
- *position = pos;
-
- return 1;
-}
-
-static gboolean import_curphoo_list() {
- gchar *buf, *ibuf;
- gint pnt = 0,
- rule_flags = IGNORANCE_APPLY_CHAT | IGNORANCE_APPLY_IM | IGNORANCE_APPLY_ENTERLEAVE;
- gsize size = 0;
- FILE *curphoofile;
- ignorance_level *curphoolevel = NULL;
- ignorance_rule *curphoorule = NULL;
- GString *tmp = NULL;
-
- buf = g_build_filename(g_get_home_dir(), ".curphoo", "ignore", NULL);
-
- if(!(curphoofile = fopen(buf, "r"))) {
- purple_debug_error("ignorance", "Unable to open %s\n", buf);
- g_free(buf);
-
- return FALSE;
- } else
- fclose(curphoofile);
-
- g_file_get_contents(buf, &ibuf, &size, NULL);
-
- tmp = g_string_new("CurphooBL");
- curphoolevel = ignorance_get_level_name(tmp);
-
- if(!curphoolevel) {
- purple_debug_info("ignorance", "Creating new Curphoo blacklist\n");
-#ifdef HAVE_REGEX_H
- curphoorule = ignorance_rule_newp(g_string_new("Everything"),
- IGNORANCE_RULE_REGEX,(gchar*)".*", IGNORANCE_FLAG_FILTER,
- rule_flags, TRUE, NULL, NULL, NULL);
-#else
- curphoorule=ignorance_rule_newp(g_string_new("Everything"),
- IGNORANCE_RULE_SIMPLETEXT, (gchar*)"", IGNORANCE_FLAG_FILTER,
- rule_flags, TRUE, NULL, NULL, NULL);
-#endif
- curphoolevel = ignorance_level_new();
- curphoolevel->name = g_string_new(tmp->str);
- ignorance_level_add_rule(curphoolevel, curphoorule);
- ignorance_add_level(curphoolevel);
- }
-
- if(!tmp)
- tmp = g_string_new("");
-
- g_free(buf);
-
- purple_debug_info("ignorance", "Preparing to read in curphoo blacklist users\n");
-
- for(; buf_get_line(ibuf, &buf, &pnt, size); ){
- g_string_assign(tmp, "prpl-yahoo");
- g_string_append(tmp, purple_normalize_nocase(NULL,buf));
-
- if(ignorance_get_user_level(tmp) == ignorance_get_default_level())
- ignorance_level_add_denizen(curphoolevel, tmp);
- }
-
- g_free(ibuf);
-
- pnt = 0;
- buf = g_build_filename(g_get_home_dir(), ".curphoo", "buddies", NULL);
-
- g_file_get_contents(buf, &ibuf, &size, NULL);
-
- g_string_assign(tmp, "CurphooWL");
-
- curphoolevel = ignorance_get_level_name(tmp);
-
- if(!curphoolevel) {
- purple_debug_info("ignorance", "Creating new Curphoo whitelist\n");
-
- curphoolevel = ignorance_level_new();
- curphoolevel->name = g_string_new(tmp->str);
- ignorance_add_level(curphoolevel);
- }
-
- g_free(buf);
-
- purple_debug_info("ignorance", "Preparing to read in curphoo whitelist users\n");
-
- for(; buf_get_line(ibuf, &buf, &pnt, size); ) {
- g_string_assign(tmp, "prpl-yahoo");
- g_string_append(tmp, purple_normalize_nocase(NULL, buf));
-
- if(ignorance_get_user_level(tmp) == ignorance_get_default_level())
- ignorance_level_add_denizen(curphoolevel, tmp);
- }
-
- g_free(ibuf);
-
- purple_debug_info("ignorance", "Done importing Curphoo users\n");
-
- return TRUE;
-}
-
-static gboolean import_purple_list() {
- PurpleBuddyList *bl;
- GString *wlname;
- ignorance_level *wl;
- gboolean rv = FALSE;
-
- bl = purple_get_blist();
- wlname = g_string_new("WL");
- wl = ignorance_get_level_name(wlname);
-
- if(bl && wl) {
- g_hash_table_foreach(bl->buddies, purple_buddy_add, wl);
- rv = TRUE;
- } else
- purple_debug_error("ignorance", "Unable to get Purple buddy list!\n");
-
- g_string_free(wlname, TRUE);
-
- return rv;
-}
-
-static gboolean import_zinc_list()
-{
- FILE *zincfile;
- gchar *buf, *ibuf;
- gint pnt = 0,
- rule_flags = IGNORANCE_APPLY_CHAT | IGNORANCE_APPLY_IM | IGNORANCE_APPLY_ENTERLEAVE;
- gsize size = 0;
- ignorance_level *zinclevel = NULL;
- ignorance_rule *zincrule = NULL;
- GString *tmp = NULL;
-
- buf = g_build_filename(g_get_home_dir(), ".zinc", "ignore", NULL);
-
- if(!(zincfile = fopen(buf, "r"))) {
- purple_debug_error("ignorance", "Unable to open %s\n",buf);
-
- g_free(buf);
-
- return FALSE;
- } else
- fclose(zincfile);
-
- g_file_get_contents(buf, &ibuf, &size, NULL);
-
- tmp = g_string_new("ZincBL");
-
- zinclevel = ignorance_get_level_name(tmp);
-
- if(!zinclevel){
- purple_debug_info("ignorance", "Creating new Zinc blacklist\n");
-#ifdef HAVE_REGEX_H
- zincrule = ignorance_rule_newp(g_string_new("Everything"),
- IGNORANCE_RULE_REGEX, (gchar*)".*", IGNORANCE_FLAG_FILTER,
- rule_flags, TRUE, NULL, NULL, NULL);
-#else
- zincrule = ignorance_rule_newp(g_string_new("Everything"),
- IGNORANCE_RULE_SIMPLETEXT, (gchar*)"", IGNORANCE_FLAG_FILTER,
- rule_flags, TRUE, NULL, NULL, NULL);
-#endif
- zinclevel = ignorance_level_new();
- zinclevel->name = g_string_new(tmp->str);
- ignorance_level_add_rule(zinclevel, zincrule);
- ignorance_add_level(zinclevel);
- }
-
- if(!tmp)
- tmp=g_string_new("");
-
- g_free(buf);
-
- purple_debug_info("ignorance", "Preparing to read in zinc blacklist users\n");
-
- for(; buf_get_line(ibuf, &buf, &pnt, size); ) {
- g_string_assign(tmp, "prpl-yahoo");
- g_string_append(tmp, purple_normalize_nocase(NULL, buf));
- if(ignorance_get_user_level(tmp) == ignorance_get_default_level())
- ignorance_level_add_denizen(zinclevel, tmp);
- }
-
- g_free(ibuf);
-
- pnt = 0;
- buf = g_build_filename(g_get_home_dir(), ".zinc", "whitelist", NULL);
-
- g_file_get_contents(buf, &ibuf, &size, NULL);
-
- g_string_assign(tmp, "ZincWL");
-
- zinclevel = ignorance_get_level_name(tmp);
-
- if(!zinclevel) {
- purple_debug_info("ignorance", "Creating new Zinc whitelist\n");
- zinclevel = ignorance_level_new();
- zinclevel->name = g_string_new(tmp->str);
- ignorance_add_level(zinclevel);
- }
-
- g_free(buf);
-
- purple_debug_info("ignorance", "Preparing to read in zinc whitelist users\n");
-
- for(; buf_get_line(ibuf, &buf, &pnt, size); ) {
- /* maybe this will be this way eventually, when i kill unnecessary
- * GStrings - rekkanoryo */
- /* tmp = g_strdup_printf("prpl-yahoo %s", purple_normalize_nocase(NULL, buf)); */
- g_string_assign(tmp, "prpl-yahoo");
- g_string_append(tmp, purple_normalize_nocase(NULL, buf));
- if(ignorance_get_user_level(tmp) == ignorance_get_default_level())
- ignorance_level_add_denizen(zinclevel, tmp);
- }
-
- g_free(ibuf);
-
- purple_debug_info("ignorance", "Done importing Zinc users\n");
-
- return TRUE;
-}
-
-static gboolean ignorance_rm_user(PurpleConversation *conv, const gchar *username) {
- gchar *msgbuf = NULL, *cursor = NULL;
- gboolean retval = FALSE;
- GString *usergs;
- ignorance_level *level = NULL;
- int len=0;
-
- usergs = g_string_new(purple_normalize_nocase(NULL, username));
-
- level=ignorance_get_user_level(usergs);
-
- if(level) {
- retval = ignorance_level_remove_denizen(level, usergs);
-
- purple_debug_info("ignorance", "Done removing denizen from level\n");
-
- if(conv) {
- purple_debug_info("ignorance",
- "Creating status message for username %x and level %x\n",
- username, level);
-
- if(retval) {
- msgbuf = g_strdup_printf(_("Successfully removed %s from %s"),
- username, level->name->str);
-
- retval = TRUE;
- } else
- msgbuf = g_strdup_printf(_("Unable to remove %s from %s\n"),
- username, level->name->str);
-
- purple_debug_info("ignorance", "Writing status message\n");
-
- purple_conversation_write(conv, NULL, msgbuf, PURPLE_MESSAGE_NO_LOG,
- time(NULL));
-
- g_free(msgbuf);
- }
- }
-
- if(conv) {
- purple_debug_info("ignorance",
- "Preparing to push through to purple privacy\n");
-
- len = strlen(purple_account_get_protocol_id(
- purple_conversation_get_account(conv)));
-
- cursor = (gchar*)username + len;
-
- if(cursor && (strlen(username) > len)) {
- purple_debug_info("ignorance", "Removing from permit list\n");
-
- purple_privacy_permit_remove(purple_conversation_get_account(conv),
- cursor, FALSE);
-
- purple_debug_info("ignorance", "Removing from deny list\n");
-
- purple_privacy_deny_remove(purple_conversation_get_account(conv), cursor,
- FALSE);
-
- if(purple_conversation_get_type(conv) == PURPLE_CONV_TYPE_CHAT) {
- purple_debug_info("ignorance", "Removing from chat ignore list\n");
-
- purple_conv_chat_unignore(PURPLE_CONV_CHAT(conv), cursor);
- }
- }
- }
-
- g_string_free(usergs, TRUE);
-
- purple_debug_info("ignorance", "Exiting\n");
-
- return retval;
-}
-
-static gboolean
-ignorance_place_user_name(const GString *level_name, const GString *username) {
- ignorance_level *current_level = ignorance_get_user_level(username),
- *newlevel = ignorance_get_level_name(level_name);
-
- if(newlevel) {
- if(newlevel != current_level) {
- ignorance_level_remove_denizen(current_level, username);
- ignorance_level_add_denizen(newlevel, username);
-
- return TRUE;
- }
- } else
- purple_debug_error("ignorance", "Invalid level %s\n", level_name->str);
-
- return FALSE;
-}
-
-static gboolean ignorance_bl_user(PurpleConversation *conv, const gchar *username,
- const gchar *actual_levelname)
-{
- gboolean retval = FALSE;
- gchar *msgbuf = NULL;
- GString *wlname, *usergs;
- PurpleAccount *account = NULL;
-
- wlname = g_string_new(actual_levelname);
-
- g_return_val_if_fail(conv != NULL, retval);
-
- account = purple_conversation_get_account(conv);
- usergs = g_string_new(purple_account_get_protocol_id(account));
- g_string_append(usergs, purple_normalize_nocase(NULL, username));
-
- if(ignorance_place_user_name(wlname, usergs)){
- retval = TRUE;
- purple_privacy_permit_remove(account, username, FALSE);
- purple_privacy_deny_add(account, username, FALSE);
-
- if(purple_conversation_get_type(conv) == PURPLE_CONV_TYPE_CHAT)
- purple_conv_chat_ignore(PURPLE_CONV_CHAT(conv), username);
-
- msgbuf = g_strdup_printf(_("Assigned user %s to %s"), username,
- actual_levelname);
- } else
- msgbuf = g_strdup_printf(
- _("Unable to assign user %s to %s - may already be there"),
- username, actual_levelname);
-
- purple_conversation_write(conv, NULL, msgbuf, PURPLE_MESSAGE_NO_LOG, time(NULL));
-
- g_free(msgbuf);
- g_string_free(usergs, TRUE);
- g_string_free(wlname, TRUE);
-
- return retval;
-}
-
-#ifndef _WIN32
-static int read_nonblock(int fd,unsigned long len,unsigned long timeout,GString *inp){
- int chrs=0, timedout=FALSE, rv=0;
- unsigned long timeout_usec=timeout*1000000, tlapsed=0;
- static const int SLEEP_INTERVAL=50000;
-
- gchar *ptr=g_malloc((len+1)*sizeof(gchar));
-
- while (chrs < len){
- if (tlapsed > timeout_usec){
- timedout = TRUE;
- break;
- }
- if ((rv = read (fd, ptr, (len - chrs))) < 0){
- rv = errno;
- usleep (SLEEP_INTERVAL);
- tlapsed += SLEEP_INTERVAL;
- continue;
- } else if (rv == 0)
- break;
- chrs += rv;
- *(ptr + rv)= 0;
- g_string_append(inp,ptr);
- *ptr=0;
- }
- g_free(ptr);
- if(timedout)
- return -1;
- else
- return chrs;
-}
-#endif
-
-static gchar *
-yahoo_strip_tattoo(gchar *origmessage) {
- gchar *cursor = NULL, *cursor2 = NULL, *beginstack = NULL,
- *endstack = NULL, *message = NULL;
- gint rvindex;
-
- message = g_ascii_strdown(origmessage, -1);
- cursor = strstr(message, "<font");
-
- if(message == cursor) {
- cursor2 = strstr(message, "tattoo");
-
- if(cursor2) {
- cursor = strstr(cursor2, ">");
-
- for( ; cursor; ) {
- endstack = strstr(cursor, "</");
- beginstack = strstr(cursor, "<");
-
- if(endstack == NULL || beginstack== NULL) {
- cursor = NULL;
- break;
- }
-
- cursor = strstr(endstack, ">");
-
- if(beginstack == endstack)
- break;
- }
-
- if(cursor) {
- rvindex = cursor + 1 - message;
-
- purple_debug_info("yahoo", "%s\nconverted to \n%s\n%s\n\n",
- origmessage, cursor + 1, origmessage + rvindex);
-
- g_free(message);
-
- return origmessage + rvindex;
- }
- }
- }
-
- g_free(message);
-
- return origmessage;
-}
-
-static int
-handle_exec_command (const gchar *command, GString *result,unsigned long maxlen) {
-#ifndef _WIN32
- GString *inp=g_string_new("");
- int p[2], pid, chrs;
-
- pipe(p);
-
- chrs = inp->len;
- if ((pid = fork ()) == -1) {
- g_string_assign (result, command);
- g_string_append (result, ": couldn't fork");
- return -1;
- } else if (pid){
- int rv;
- int flags = fcntl (p[0], F_GETFL, 0);
-
- close (p[1]);
- fcntl (p[0], F_SETFL, flags | O_NONBLOCK);
-
- rv=read_nonblock(p[0],maxlen-chrs,EXEC_TIMEOUT,inp);
-
- if (kill (pid, 0) == 0)
- kill (pid, SIGKILL);
- if (rv < 0)
- g_string_append (inp, "[process timed out]");
- else if(maxlen==(rv+chrs))
- g_string_append(inp,"...");
- else if(('\n'==(inp->str)[inp->len-1]))
- g_string_truncate(inp,inp->len-1);
-
- g_string_assign (result, inp->str);
-
- g_string_free(inp,TRUE);
- waitpid (pid, NULL, 0);
- } else {
- close (p[0]);
- if (p[1] != STDOUT_FILENO){
- dup2 (p[1], STDOUT_FILENO);
- close (p[1]);
- }
- if (STDERR_FILENO != STDOUT_FILENO)
- dup2 (STDOUT_FILENO, STDERR_FILENO);
- execlp ("sh", "sh", "-c", command, NULL);
- }
- return 0;
-#else
- gint retval;
- gchar *message = NULL;
-
- g_string_assign (result, command);
- g_string_append (result, ": ");
-
- if (G_WIN32_HAVE_WIDECHAR_API ()) {
- wchar_t *wc_cmd = g_utf8_to_utf16(command,
- -1, NULL, NULL, NULL);
-
- retval = (gint)ShellExecuteW(NULL,NULL,wc_cmd,NULL,NULL,SW_SHOWNORMAL);
- g_free(wc_cmd);
- } else {
- char *l_cmd = g_locale_from_utf8(command,
- -1, NULL, NULL, NULL);
-
- retval = (gint)ShellExecuteA(NULL,NULL,l_cmd,NULL,NULL,SW_SHOWNORMAL);
- g_free(l_cmd);
- }
-
- if (retval<=32) {
- message = g_win32_error_message(retval);
- g_string_append(result,message);
- }
-
- purple_debug_info("Ignorance", "Execute command called for: "
- "%s\n%s%s%s", command, retval ? "" : "Error: ",
- retval ? "" : message, retval ? "" : "\n");
- g_free(message);
- return 0;
-#endif
-}
-
-static gboolean
-apply_rule(PurpleConversation *conv, PurpleAccount *account,
- const GString *username, const GString *text, gint flags)
-{
- gint text_score = 0;
- gboolean rv = TRUE, newconv = FALSE;
- GList *violations = NULL, *cursor = NULL;
- GString *tmp;
- GString *prpluser = g_string_new(purple_account_get_protocol_id(account));
- ignorance_level *user_level;
- ignorance_violation *viol;
- PurpleConversationType conv_type;
-
- g_string_append(prpluser, purple_normalize_nocase(account, username->str));
- user_level=ignorance_get_user_level(prpluser);
-
- purple_debug_info("ignorance", "Preparing to check %s\n", text->str);
-
- text_score=ignorance_level_rulecheck(user_level, prpluser, text, flags,
- &violations);
-
- purple_debug_info("ignorance", "Got score %d\n", text_score);
-
- if(!(text_score & (IGNORANCE_FLAG_FILTER | IGNORANCE_FLAG_IGNORE))) {
- rv = FALSE;
- if(text_score) {
- for(cursor = violations; cursor; cursor = cursor->next) {
- viol = (ignorance_violation*)(cursor->data);
- purple_debug_info("ignorance", "Got violation type %d: %s\n",
- viol->type,viol->value);
-
- switch(viol->type) {
- case IGNORANCE_FLAG_SOUND:
- purple_debug_info("ignorance",
- "Attempting to play sound %s\n", viol->value);
-
- purple_sound_play_file(viol->value, account);
-
- break;
-
- case IGNORANCE_FLAG_EXECUTE:
- purple_debug_info("ignorance",
- "Attempting to execute command %s\n",
- viol->value);
-
- tmp = g_string_new("");
-
- handle_exec_command(viol->value, tmp, 512);
-
- if(conv)
- purple_conversation_write(conv,
- purple_account_get_username(account),
- tmp->str, PURPLE_MESSAGE_NO_LOG, time(NULL));
-
- g_string_free(tmp, TRUE);
-
- break;
-
- case IGNORANCE_FLAG_MESSAGE:
- if(!conv) {
- newconv = TRUE;
- conv = purple_conversation_new(PURPLE_CONV_TYPE_IM,
- account, username->str);
- }
-
- conv_type = purple_conversation_get_type(conv);
-
- if(conv_type == PURPLE_CONV_TYPE_IM) {
- purple_conv_im_send(PURPLE_CONV_IM(conv), viol->value);
- } else if(conv_type == PURPLE_CONV_TYPE_CHAT) {
- purple_conv_chat_send(PURPLE_CONV_CHAT(conv),
- viol->value);
- } /* braces for readability only */
-
- if(newconv)
- purple_conversation_destroy(conv);
-
- break;
-
- default:
- break;
- }
- }
- }
- } else if(text_score & IGNORANCE_FLAG_IGNORE)
- ignorance_bl_user(conv, username->str, "BL");
-
- g_string_free(prpluser, TRUE);
-
- purple_debug_info("ignorance", "Preparing to free violation items\n");
- g_list_foreach(violations, ignorance_violation_free_g, NULL);
-
- purple_debug_info("ignorance",
- "Done freeing violation items, now freeing list itself\n");
- g_list_free(violations);
-
- purple_debug_info("ignorance",
- "Done checking, returning from applying rules\n");
-
- return rv;
-}
-
-static gboolean substitute (PurpleConversation *conv,PurpleAccount *account,
- const gchar *sender, gchar **message, gint msgflags) {
- GString *username=NULL, *text=NULL;
- gboolean rv=FALSE;
- gchar *newmsg, *cursor;
-
- if (NULL == message)
- return FALSE;
- else if (NULL == (*message))
- return FALSE;
-
-
- username=g_string_new(purple_normalize_nocase(account,sender));
-
- purple_debug_info("ignorance","Got message \"%s\" from user \"%s\"\n",*message,sender);
-
- cursor=yahoo_strip_tattoo(*message);
- if(cursor!=*message){
- newmsg=g_strdup(cursor);
- g_free(*message);
- (*message)=newmsg;
- }
-
- text=g_string_new(*message);
-
- rv=apply_rule(conv,account,username,text,msgflags);
-
- if(rv)
- purple_debug_info("ignorance", "%s: %s violated!\n",username->str,text->str);
-
- g_string_free(username,TRUE);
- g_string_free(text,TRUE);
-
- purple_debug_info("ignorance","Returning from substitution\n");
-
- return rv;
-}
-
-static gboolean chat_cb(PurpleAccount *account, gchar **sender, gchar **buffer,
- PurpleConversation *chat, void *data){
- return substitute(chat, account, *sender, buffer,
- IGNORANCE_APPLY_CHAT | IGNORANCE_APPLY_USER);
-}
-
-static gboolean im_cb(PurpleAccount *account, gchar **sender, gchar **buffer,
- gint *flags, void *data){
- PurpleConversation *gc;
-
- gc=purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM,*sender,account);
-
- return substitute(gc, account, *sender,buffer,
- IGNORANCE_APPLY_IM | IGNORANCE_APPLY_USER);
-}
-
-static gboolean chat_joinleave_cb (PurpleConversation *conv, const gchar *name,
- void *data){
- gchar *message=g_strdup(name);
- gboolean rv=substitute(conv, purple_conversation_get_account(conv), name,
- &message,IGNORANCE_APPLY_ENTERLEAVE | IGNORANCE_APPLY_USER);
- g_free(message);
-
- return rv;
-}
-
-static gint chat_invited_cb(PurpleAccount *account,const gchar *inviter, const gchar *chat, const gchar *invite_message, const GHashTable *components, void *data){
- gchar *message=g_strdup(invite_message);
- gboolean rv;
- gint invite_ask=0;
- PurpleConversation *gc;
- g_free(message);
-
- gc=purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM,inviter,account);
-
- rv=substitute(gc,account,inviter,&message,IGNORANCE_APPLY_INVITE | IGNORANCE_APPLY_USER | IGNORANCE_APPLY_CHAT);
-
- if(rv)
- invite_ask=-1;
-
- return invite_ask;
-}
-
-static void buddy_added_cb(PurpleBuddy *buddy, gpointer data){
- GString *wlname=g_string_new("WL");
- ignorance_level *wl=ignorance_get_level_name(wlname);
- PurpleAccount *account=buddy->account;
- gchar *name=(gchar*)buddy->name;
-
- purple_debug_info("ignorance","Caught buddy-added for %s%s\n",
- purple_account_get_protocol_id(account), name);
- purple_buddy_add(NULL,buddy,wl);
-
- g_string_free(wlname,TRUE);
-}
-
-static void buddy_removed_cb(PurpleBuddy *buddy, gpointer data){
- GString *tmp=NULL;
- PurpleConversation *conv=NULL;
- PurpleAccount *account=buddy->account;
- gchar *name=(gchar*)buddy->name;
-
- tmp=g_string_new(purple_account_get_protocol_id(account));
-
- conv=purple_find_conversation_with_account(PURPLE_CONV_TYPE_IM,tmp->str,account);
-
- purple_debug_info("ignorance","Caught buddy-removed for %s%s\n",
- purple_account_get_protocol_id(account), name);
-
- g_string_append(tmp,purple_normalize_nocase(account,name));
-
- ignorance_rm_user(conv,tmp->str);
-
- g_string_free(tmp,TRUE);
-}
-
-static gboolean generate_default_levels() {
- ignorance_level *tmplvl;
- ignorance_rule *tmprule;
- GString *tmpgs;
-
- tmplvl=ignorance_level_new();
- tmplvl->name=g_string_new("Default");
- ignorance_add_level(tmplvl);
-
- tmplvl=ignorance_level_new();
- tmplvl->name=g_string_new("WL");
- ignorance_add_level(tmplvl);
-
- tmplvl=ignorance_level_new();
- tmplvl->name=g_string_new("BL");
- ignorance_add_level(tmplvl);
-
- tmpgs=g_string_new("Everything");
-#ifdef HAVE_REGEX_H
- tmprule=ignorance_rule_newp(tmpgs,IGNORANCE_RULE_REGEX,".*",
- IGNORANCE_FLAG_FILTER,
- IGNORANCE_APPLY_CHAT | IGNORANCE_APPLY_IM,
- TRUE,NULL,NULL,NULL);
-#else
- tmprule=ignorance_rule_newp(tmpgs,IGNORANCE_RULE_SIMPLETEXT,"",
- IGNORANCE_FLAG_FILTER,
- IGNORANCE_APPLY_CHAT | IGNORANCE_APPLY_IM,
- TRUE,NULL,NULL,NULL);
-#endif
- ignorance_level_add_rule(tmplvl,tmprule);
- g_string_free(tmpgs,TRUE);
-
- return TRUE;
-}
-
-gboolean save_conf()
-{
- FILE *f;
- gchar *name, tempfilename[BUF_LONG];
- gint fd, i;
-
- name = g_build_filename(purple_user_dir(), "ignorance", NULL);
- strcpy(tempfilename, name);
- strcat(tempfilename,".XXXXXX");
- fd = g_mkstemp(tempfilename);
- if(fd<0) {
- perror(tempfilename);
- g_free(name);
- return FALSE;
- }
- if (!(f = fdopen(fd, "w"))) {
- perror("fdopen");
- close(fd);
- g_free(name);
- return FALSE;
- }
-
- fchmod(fd, S_IRUSR | S_IWUSR);
-
- for(i=0;i<levels->len;++i){
- ignorance_level_write(g_ptr_array_index(levels,i),f);
- }
-
- if(fclose(f)) {
- purple_debug_error("ignorance",
- "Error writing to %s: %m\n", tempfilename);
- unlink(tempfilename);
- g_free(name);
- return FALSE;
- }
- rename(tempfilename, name);
- g_free(name);
- return TRUE;
-}
-
-ignorance_level* ignorance_get_level_name(const GString *levelname){
- gint i=0;
- ignorance_level *il=NULL;
-
- for(i=0;i<levels->len;++i){
- il=(ignorance_level*)g_ptr_array_index(levels,i);
- if(g_string_equal(levelname,il->name))
- return il;
- }
-
- return NULL;
-}
-
-gboolean ignorance_add_level(ignorance_level *level){
- gboolean rv=FALSE;
-
- if(level){
- g_ptr_array_add(levels,level);
- rv=TRUE;
- }
-
- return rv;
-}
-
-gboolean ignorance_remove_level(const GString *levelname){
- ignorance_level *level=ignorance_get_level_name(levelname);
- gboolean rv=FALSE;
-
- if(level){
- rv=g_ptr_array_remove(levels,level);
- ignorance_level_free(level);
- }
-
- return rv;
-}
-
-static void
-ignorance_signals_connect(PurplePlugin *plugin)
-{
- void *conv_handle, *blist_handle;
-
- conv_handle = purple_conversations_get_handle();
- blist_handle = purple_blist_get_handle();
-
- purple_signal_connect(conv_handle, "receiving-im-msg", plugin,
- PURPLE_CALLBACK (im_cb), NULL);
- purple_signal_connect(conv_handle, "receiving-chat-msg", plugin,
- PURPLE_CALLBACK (chat_cb), NULL);
- purple_signal_connect(conv_handle,"chat-buddy-joining", plugin,
- PURPLE_CALLBACK(chat_joinleave_cb),NULL);
- purple_signal_connect(conv_handle,"chat-buddy-leaving", plugin,
- PURPLE_CALLBACK(chat_joinleave_cb),NULL);
- purple_signal_connect(conv_handle,"chat-invited", plugin,
- PURPLE_CALLBACK(chat_invited_cb),NULL);
- purple_signal_connect(blist_handle,"buddy-added", plugin,
- PURPLE_CALLBACK(buddy_added_cb),NULL);
- purple_signal_connect(blist_handle,"buddy-removed", plugin,
- PURPLE_CALLBACK(buddy_removed_cb),NULL);
-
- return;
-}
-
-static gboolean load_conf() {
- gchar *buf, *ibuf;
- gint pnt = 0;
- gsize size;
- FILE *conffile = NULL;
- static ignorance_level *tmplvl = NULL;
- static ignorance_rule *tmprule = NULL;
- GString *tmpgs = NULL;
-
- buf = g_build_filename(purple_user_dir(), "ignorance", NULL);
-
- purple_debug_info("ignorance", "Attempting to load conf file %s\n",buf);
-
- levels = g_ptr_array_new();
-
- if(!(conffile = fopen(buf, "r"))) {
- g_free(buf);
-
- buf=g_build_filename(IGNORANCE_CONFDIR,"ignorance.conf",NULL);
-
- if(!(conffile = fopen(buf,"r"))) {
- purple_debug_info("ignorance",
- "Unable to open local or global conf files; falling back to defaults\n");
- generate_default_levels();
- import_purple_list();
- import_zinc_list();
- import_curphoo_list();
-
- g_free(buf);
- return FALSE;
- }
- }
-
- g_file_get_contents(buf, &ibuf, &size, NULL);
- fclose(conffile);
- g_free(buf);
-
- if(!ibuf) {
- generate_default_levels();
- import_purple_list();
- import_zinc_list();
- import_curphoo_list();
- return FALSE;
- }
-
- while(buf_get_line(ibuf, &buf, &pnt, size)) {
- if((*buf) == '#'){
- /* ignore */
- } else if(strstr(buf, "level")){
- if('\0' == buf[5]){
- tmpgs = g_string_new("");
-
- for( ; buf != strstr(buf, "/level");
- buf_get_line(ibuf, &buf, &pnt, size))
- {
- g_string_append(tmpgs, buf);
- g_string_append(tmpgs, "\n");
- }
-
- tmplvl = ignorance_level_read(tmpgs->str);
-
- g_string_free(tmpgs, TRUE);
- } else
- tmplvl=ignorance_level_read(buf);
-
- if(tmplvl) {
- purple_debug_info("ignorance", "Adding level %s\n",
- tmplvl->name->str);
-
- ignorance_add_level(tmplvl);
- }
- } else if(strstr(buf, "rule") && tmplvl) {
- if('\0' == buf[4]) {
- tmpgs = g_string_new("");
-
- for( ; buf != strstr(buf, "/rule");
- buf_get_line(ibuf, &buf, &pnt, size))
- {
- g_string_append(tmpgs, buf);
- g_string_append(tmpgs, "\n");
- }
-
- purple_debug_info("ignorance", "Attempting to read rule %s\n",
- tmpgs->str);
-
- tmprule = ignorance_rule_read(tmpgs->str);
-
- g_string_free(tmpgs, TRUE);
- } else
- tmprule = ignorance_rule_read(buf);
- if(tmprule) {
- purple_debug_info("ignorance", "Adding rule %s: %s\n",
- tmprule->name->str, (gchar*)(tmprule->value));
-
- ignorance_level_add_rule(tmplvl, tmprule);
- }
- } else if(tmplvl) {
- tmpgs = g_string_new(purple_normalize_nocase(NULL, buf));
-
- purple_debug_info("ignorance", "Adding denizen %s\n", buf);
-
- if(ignorance_get_user_level(tmpgs) == ignorance_get_default_level())
- ignorance_level_add_denizen(tmplvl, tmpgs);
-
- g_string_free(tmpgs,TRUE);
- }
- }
-
- g_free(ibuf);
-
- import_purple_list();
- import_zinc_list();
- import_curphoo_list();
-
- return TRUE;
-}
-
-static gboolean
-ignorance_load (PurplePlugin *plugin) {
- purple_debug_info("ignorance", "Loading ignorance plugin");
-
- load_conf();
-
- ignorance_signals_connect(plugin);
-
- return TRUE;
-}
-
-static gboolean
-plugin_unload(PurplePlugin *plugin) {
- purple_debug_info("ignorance", "Unloading ignorance plugin\n");
- save_conf();
-
- return TRUE;
-}
-
-static GtkWidget *get_config_frame(PurplePlugin *plugin) {
- return create_uiinfo(levels);
-}
-
-static PidginPluginUiInfo ui_info = {
- get_config_frame,
- 0,
- NULL,
- NULL,
- NULL,
- NULL
-};
-
-static PurplePluginInfo ig_info = {
- PURPLE_PLUGIN_MAGIC,
- PURPLE_MAJOR_VERSION,
- PURPLE_MINOR_VERSION,
- PURPLE_PLUGIN_STANDARD,
- PIDGIN_PLUGIN_TYPE,
- 0,
- NULL,
- PURPLE_PRIORITY_DEFAULT,
- IGNORANCE_PLUGIN_ID,
- NULL,
- PP_VERSION,
- NULL,
- NULL,
- "Peter Lawler <bleeter from users.sf.net>, "
- "Levi Bard <taktaktaktaktaktaktaktaktaktak@gmail.com> (original author)",
- "http://guifications.sourceforge.net",
- ignorance_load,
- plugin_unload,
- NULL,
- &ui_info,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL
-};
-
-static void
-ignorance_init (PurplePlugin * plugin)
-{
-#ifdef ENABLE_NLS
- bindtextdomain(GETTEXT_PACKAGE, PP_LOCALEDIR);
- bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
-#endif /* ENABLE_NLS */
-
- ig_info.name = _("Ignorance");
- ig_info.summary =
- _("Allows you to manage lists of users with various levels of allowable activity.");
- ig_info.description =
- _("Allows you to manage lists of users with various levels of allowable activity.");
-}
-
-PURPLE_INIT_PLUGIN (ignorance, ignorance_init, ig_info)
--- a/ignorance/ignorance.conf Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,20 +0,0 @@
-level index="100" name="Default" upper_threshhold="10" lower_threshhold="-10" allow_passthrough="0"
-rule name="link" type="1" score="1" value="http://" flags="3" enabled="0"
-rule name="PM" type="2" score="1" value="." flags="2" enabled="1"
-rule name="playing" type="2" score="1" value="[Pp]laying" flags="3" enabled="0"
-rule name="enterleave" type="2" score="1" value="." flags="16" enabled="1"
-rule name="invite" type="2" score="1" value="." flags="32" enabled="1"
-rule name="profilebot" type="1" score="1" value="profile" flags="4" enabled="1"
-level index="1" name="WL" upper_threshhold="10" lower_threshhold="-10" allow_passthrough="0"
-level index="80" name="PM" upper_threshhold="10" lower_threshhold="-10" allow_passthrough="0"
-rule name="enterleave" type="2" score="1" value="." flags="16" enabled="1"
-level index="90" name="Link" upper_threshhold="10" lower_threshhold="-10" allow_passthrough="0"
-rule name="PM" type="2" score="1" value="." flags="2" enabled="1"
-rule name="enterleave" type="2" score="1" value="." flags="16" enabled="1"
-rule name="playing" type="2" score="1" value="[Pp]laying" flags="3" enabled="0"
-rule name="invite" type="2" score="1" value="." flags="32" enabled="1"
-level index="1001" name="BL" upper_threshhold="10" lower_threshhold="-10" allow_passthrough="0"
-rule name="everything" type="2" score="1" value="." flags="55" enabled="1"
-level index="999" name="ZincBL" upper_threshhold="9" lower_threshhold="-9" allow_passthrough="0"
-rule name="Everything" type="2" score="1" value="." flags="3" enabled="1"
-level index="2" name="ZincWL" upper_threshhold="9" lower_threshhold="-9" allow_passthrough="0"
--- a/ignorance/ignorance.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,45 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_H
-#define IGNORANCE_H
-
-#ifdef HAVE_CONFIG_H
-# include "../pp_config.h"
-#endif
-
-#include "../common/pp_internal.h"
-
-#include "ignorance_level.h"
-
-#define IGNORANCE_APPLY_CHAT 1
-#define IGNORANCE_APPLY_IM 2
-#define IGNORANCE_APPLY_USER 4
-#define IGNORANCE_APPLY_HOST 8
-#define IGNORANCE_APPLY_ENTERLEAVE 16
-#define IGNORANCE_APPLY_INVITE 32
-
-ignorance_level* ignorance_get_level_name(const GString *levelname);
-
-gboolean ignorance_add_level(ignorance_level *level);
-
-gboolean ignorance_remove_level(const GString *levelname);
-
-gint ignorance_get_new_level_index();
-
-gboolean save_conf();
-
-#endif
--- a/ignorance/ignorance_denizen.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,62 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#include "ignorance_denizen.h"
-#include "ignorance_internal.h"
-
-ignorance_denizen* ignorance_denizen_new(const gchar *newname) {
- ignorance_denizen *id=(ignorance_denizen*)g_malloc(sizeof(ignorance_denizen));
-
- id->name=g_strdup(newname);
- id->last_message=g_strdup("");
- id->repeats=0;
-
- return id;
-}
-
-void ignorance_denizen_free(ignorance_denizen *id) {
- g_free(id->name);
- g_free(id->last_message);
- g_free(id);
-}
-
-gchar *ignorance_denizen_get_name(ignorance_denizen *id) {
- return id->name;
-}
-
-gchar *ignorance_denizen_get_last_message(ignorance_denizen *id) {
- return id->last_message;
-}
-
-gint ignorance_denizen_get_repeats(ignorance_denizen *id) {
- return id->repeats;
-}
-
-gint ignorance_denizen_set_message(ignorance_denizen *id, const gchar *message) {
- if(!strcasecmp(id->last_message,message)){
- purple_debug_info("ignorance","Got repeat %d for message %s\n",
- id->repeats+1,message);
- id->repeats++;
- } else {
- purple_debug_info("ignorance","New message %s replacing old message %s",
- message,id->last_message);
- g_free(id->last_message);
- id->last_message=g_strdup(message);
- id->repeats=0;
- }
-
- return id->repeats;
-}
--- a/ignorance/ignorance_denizen.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,42 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_DENIZEN_H
-#define IGNORANCE_DENIZEN_H
-
-#include <string.h>
-
-#include "ignorance.h"
-
-typedef struct ignorance_denizen{
- gchar *name;
- gchar *last_message;
- gint repeats;
-} ignorance_denizen;
-
-ignorance_denizen* ignorance_denizen_new(const gchar *newname);
-
-void ignorance_denizen_free(ignorance_denizen *denizen);
-
-gchar* ignorance_denizen_get_name(ignorance_denizen *id);
-
-gchar* ignorance_denizen_get_last_message(ignorance_denizen *id);
-
-gint ignorance_denizen_get_repeats(ignorance_denizen *id);
-
-gint ignorance_denizen_set_message(ignorance_denizen *id, const gchar *message);
-
-#endif
--- a/ignorance/ignorance_internal.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,72 +0,0 @@
-/*
- * Guifications - The end all, be all, toaster popup plugin
- * Copyright (C) 2003-2005 Gary Kramlich
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-#ifndef IG_INTERNAL_H
-#define IG_INTERNAL_H
-
-#include <glib.h>
-
-#define IGNORANCE_PLUGIN_ID "gtk-bleeter-ignorance"
-#define SHORTDESC "Ignorance filter"
-
-#ifndef IGNORANCE_CONFDIR
-# define IGNORANCE_CONFDIR purple_user_dir()
-#endif
-
-#define EXEC_TIMEOUT 10
-
-#define GREATER(x,y) ((x)?((x)>(y)):(y))
-
-#if ((PURPLE_MAJOR_VERSION) < 2)
-#define PURPLE_CONV_TYPE_CHAT PURPLE_CONV_CHAT
-#define PURPLE_CONV_TYPE_IM PURPLE_CONV_IM
-#endif
-
-#if GLIB_CHECK_VERSION(2,6,0)
-# include <glib/gstdio.h>
-#endif
-
-#ifdef _WIN32
-# include <win32dep.h>
-#endif
-
-#if !GLIB_CHECK_VERSION(2,6,0)
-# define g_freopen freopen
-# define g_fopen fopen
-# define g_rmdir rmdir
-# define g_remove remove
-# define g_unlink unlink
-# define g_lstat lstat
-# define g_stat stat
-# define g_mkdir mkdir
-# define g_rename rename
-# define g_open open
-#endif
-
-#ifdef HAVE_ENDIAN_H
-# include <endian.h>
-#endif
-
-#define MSG_LEN 2048
-/* The above should normally be the same as BUF_LEN,
- * but just so we're explicitly asking for the max message
- * length. */
-#define BUF_LEN MSG_LEN
-#define BUF_LONG BUF_LEN * 2
-
-#endif
--- a/ignorance/ignorance_level.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,328 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#include "ignorance.h"
-#include "ignorance_denizen.h"
-#include "ignorance_internal.h"
-#include "ignorance_level.h"
-#include "ignorance_violation.h"
-#include "regex.h"
-
-#include <string.h>
-#include <strings.h>
-
-void ignorance_level_write_hashitem(gpointer key, gpointer value,
- gpointer user_data);
-void ignorance_hash_free(gpointer key, gpointer value,
- gpointer user_data);
-void ignorance_level_regex_hashitem(gpointer key, gpointer value,
- gpointer user_data);
-
-gboolean assign_level_token(ignorance_level *lvl,const gchar *tokentxt);
-gint g_string_compare(gconstpointer a, gconstpointer z);
-
-ignorance_level* ignorance_level_new() {
- ignorance_level *il=(ignorance_level*)g_malloc(sizeof(ignorance_level));
- il->name=g_string_new("Default");
- il->denizens_hash=g_hash_table_new(g_str_hash,g_str_equal);
- il->rules=g_ptr_array_new();
-
- return il;
-}
-
-void ignorance_level_free(ignorance_level *il) {
- g_string_free(il->name,TRUE);
- g_hash_table_foreach(il->denizens_hash,ignorance_hash_free,NULL);
- g_hash_table_destroy(il->denizens_hash);
- g_ptr_array_foreach(il->rules,ignorance_rule_free_g,NULL);
-}
-
-void ignorance_level_free_g(gpointer il,gpointer user_data) {
- ignorance_level_free((ignorance_level*)il);
-}
-
-gboolean ignorance_level_add_rule(ignorance_level *level,ignorance_rule *rule) {
- g_ptr_array_add(level->rules,(gpointer)rule);
-
- return TRUE;
-}
-
-ignorance_rule* ignorance_level_get_rule(ignorance_level *level,
- const GString *rulename) {
-
- int i=0;
- ignorance_rule *rule=NULL;
-
- for(i=0;i<level->rules->len;++i){
- rule=g_ptr_array_index(level->rules,i);
- if(g_string_equal(rulename,rule->name))
- return g_ptr_array_index(level->rules,i);
- }
-
- return NULL;
-}
-
-gboolean ignorance_level_remove_rule(ignorance_level *level,
- const GString *rulename) {
- return g_ptr_array_remove_fast(level->rules,
- ignorance_level_get_rule(level,rulename));
-}
-
-gboolean ignorance_level_add_denizen(ignorance_level *level,
- const GString *username) {
-
- if(!g_hash_table_lookup(level->denizens_hash,username->str)){
- ignorance_denizen *id=ignorance_denizen_new(username->str);
- g_hash_table_insert(level->denizens_hash,
- ignorance_denizen_get_name(id),id);
- }
-
- return TRUE;
-}
-
-#ifdef HAVE_REGEX_H
-gboolean ignorance_level_has_denizen_regex(ignorance_level *level,
- const gchar *regex, GList **denizens) {
-
- regex_t reg;
- gpointer udata[2];
-
- udata[0]=denizens;
-
- if(regcomp(&reg,regex,REG_EXTENDED | REG_NOSUB)) {
- purple_debug_error("ignorance", "Error parsing regex %s\n",
- regex);
- regfree(&reg);
- return FALSE;
- }
-
- udata[1]=&reg;
-
- g_hash_table_foreach(level->denizens_hash,ignorance_level_regex_hashitem,
- (gpointer)udata);
-
- regfree(&reg);
-
- return (denizens!=NULL);
-}
-#endif
-
-
-gboolean ignorance_level_has_denizen(ignorance_level *level,
- const GString *username) {
- gboolean rv=FALSE;
-
- rv = (NULL != g_hash_table_lookup(level->denizens_hash,username->str));
-
- return rv;
-}
-
-gint g_string_compare(gconstpointer a, gconstpointer z) {
- const GString *gsa=(const GString*)a, *gsz=(const GString*)z;
-
- return g_ascii_strcasecmp(gsa->str, gsz->str);
-}
-
-
-gboolean ignorance_level_remove_denizen(ignorance_level *level,
- const GString *username) {
-
- gpointer kptr=NULL, vptr=NULL;
- gboolean rv=FALSE;
-
- rv=g_hash_table_lookup_extended(level->denizens_hash, username->str, &kptr,
- &vptr);
-
- purple_debug_info("ignorance","Remove: found id %x\n",vptr);
- if(rv){
- purple_debug_info("ignorance","Removing from hash\n");
- g_hash_table_remove(level->denizens_hash,username->str);
-
- purple_debug_info("ignorance","Freeing denizen\n");
- ignorance_denizen_free((ignorance_denizen*)vptr);
- purple_debug_info("ignorance","Done freeing denizen\n");
- }
-
- return rv;
-}
-
-gint ignorance_level_rulecheck(ignorance_level *level,
- const GString *username, const GString *text,
- gint flags, GList **violations) {
- int i=0, totalscore=0, curscore;
- ignorance_rule *cur;
- ignorance_denizen *id;
-
- purple_debug_info("ignorance","Preparing to lookup %s\n", username->str);
- id = g_hash_table_lookup(level->denizens_hash, username->str);
- purple_debug_info("ignorance","Got denizen %x\n",id);
- if(id){
- purple_debug_info("ignorance","Making sure text isn't name\n");
- if(strcasecmp(ignorance_denizen_get_name(id),text->str)){
- purple_debug_info("ignorance","Setting new message to %s\n", text->str);
- ignorance_denizen_set_message(id, text->str);
- }
- }
-
- for(i=0;i<level->rules->len;++i) {
- cur=(ignorance_rule*)g_ptr_array_index(level->rules,i);
- if(cur->flags & IGNORANCE_APPLY_USER) {
- curscore=ignorance_rule_rulecheck(cur,username,flags);
- totalscore|=curscore;
- if(curscore){
- if(curscore & IGNORANCE_FLAG_MESSAGE)
- (*violations)=g_list_prepend(*violations,
- ignorance_violation_newp(IGNORANCE_FLAG_MESSAGE,
- cur->message));
- if(curscore & IGNORANCE_FLAG_SOUND)
- (*violations)=g_list_prepend(*violations,
- ignorance_violation_newp(IGNORANCE_FLAG_SOUND,
- cur->sound));
- if(curscore & IGNORANCE_FLAG_EXECUTE)
- (*violations)=g_list_prepend(*violations,
- ignorance_violation_newp(IGNORANCE_FLAG_EXECUTE,
- cur->command));
- }
- }
-
- curscore=ignorance_rule_rulecheck(cur, text,
- flags & (~IGNORANCE_APPLY_USER));
-
- totalscore|=curscore;
- if(curscore){
- if(curscore & IGNORANCE_FLAG_MESSAGE)
- (*violations)=g_list_prepend(*violations,
- ignorance_violation_newp(IGNORANCE_FLAG_MESSAGE, cur->message));
- if(curscore & IGNORANCE_FLAG_SOUND)
- (*violations)=g_list_prepend(*violations,
- ignorance_violation_newp(IGNORANCE_FLAG_SOUND, cur->sound));
- if(curscore & IGNORANCE_FLAG_EXECUTE)
- (*violations)=g_list_prepend(*violations,
- ignorance_violation_newp(IGNORANCE_FLAG_EXECUTE, cur->command));
- }
- }
-
- return totalscore;
-}
-
-
-ignorance_level* ignorance_level_read_old(const gchar *lvltext) {
- gchar *tokptr=strchr((gchar*)lvltext,' '), **tokens=NULL;
- ignorance_level *lvl=ignorance_level_new();
- int i=0;
-
- if(!tokptr){
- ignorance_level_free(lvl);
- return NULL;
- }
-
- tokens=g_strsplit(lvltext," ",INT_MAX);
-
- for(i=0;tokens[i];++i)
- assign_level_token(lvl,tokens[i]);
-
- g_strfreev(tokens);
-
- return lvl;
-}
-
-ignorance_level* ignorance_level_read(const gchar *lvltext) {
- gchar *tokptr=strchr((gchar*)lvltext,'\n'), **tokens=NULL;
- ignorance_level *lvl=ignorance_level_new();
- int i=0;
-
- if(!tokptr){
- ignorance_level_free(lvl);
- return ignorance_level_read_old(lvltext);
- }
- tokens=g_strsplit(lvltext,"\n",INT_MAX);
- for(i=0;tokens[i];++i)
- assign_level_token(lvl,tokens[i]);
-
- g_strfreev(tokens);
-
- return lvl;
-}
-
-
-/* Parses out a token of the form tokenname="value" and assigns it to a rulename
- *
- * rule is the rule to be updated
- * tokentxt is the token string
- * true returned if token is valid and successfully added to the rule
- *
- * level name1="value1" name2="value2" ...
- */
-gboolean assign_level_token(ignorance_level *lvl,const gchar *tokentxt) {
- gchar *name=NULL, *value=NULL;
- gboolean rv=TRUE;
- gint cursor=0;
-
- value=strchr(tokentxt,'=');
- if(value) {
- (*value)='\0';
- ++value;
-
- if('"'==(*value)) {
- ++value;
- cursor=strlen(value)-1;
- if('"'==value[cursor])
- value[cursor]='\0';
- }
- name=(gchar*)tokentxt;
-
- if(!strncasecmp(name,"name",BUFSIZ))
- g_string_assign(lvl->name,value);
- else
- rv=FALSE;
- } else
- rv=FALSE;
-
- return rv;
-}
-
-gboolean ignorance_level_write(ignorance_level *level,FILE *f) {
- gint i;
-
- fprintf(f,"level\nname=\"%s\"\n/level\n", level->name->str);
-
- for(i=0;i<level->rules->len;++i)
- ignorance_rule_write(g_ptr_array_index(level->rules,i),f);
-
- g_hash_table_foreach(level->denizens_hash,ignorance_level_write_hashitem,f);
-
- return TRUE;
-}
-
-void ignorance_level_regex_hashitem(gpointer key, gpointer value,
- gpointer user_data) {
- gpointer *udata=(gpointer*)user_data;
- GList **denizens=(GList**)udata[0];
-
- if(!(regexec((regex_t*)udata[1],(gchar*)key,1,NULL,0)))
- (*denizens)=g_list_prepend(*denizens,g_string_new((gchar*)key));
-}
-
-void ignorance_hash_free(gpointer key, gpointer value, gpointer user_data) {
- ignorance_denizen_free((ignorance_denizen*)value);
-}
-
-void ignorance_level_write_hashitem(gpointer key, gpointer value,
- gpointer user_data){
-
- fprintf((FILE*)user_data,"%s\n",(gchar*)key);
-
-}
--- a/ignorance/ignorance_level.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,99 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_LEVEL_H
-#define IGNORANCE_LEVEL_H
-
-#include "ignorance_rule.h"
-
-/*
- * describes an ignorance level
- *
- * index is an index for keeping track
- * of levels' relative positions
- * the idea is for 0 to be the "default" level,
- * >0 to be "better" levels, and <0 to be "worse"
- *
- * allow_passthrough flags whether a user
- * is allowed to be "passed through" this level
- * to the next consecutive level, as in:
- * if someone on my friends list does something
- * that flags 12 of my rules, do I send them
- * straight to /dev/null, or just
- * bump them down a level?
- *
- * name - user's name for the level
- *
- * denizens - list of users in this level
- * I may get rid of this in favor of a more global
- * userlist
- *
- * rules - list of rules for this level
- */
-typedef struct ignorance_level{
- GString *name;
- /*GList *denizens;*/
- GHashTable *denizens_hash;
- GPtrArray *rules;
-} ignorance_level;
-
-ignorance_level* ignorance_level_new();
-void ignorance_level_free(ignorance_level *il);
-void ignorance_level_free_g(gpointer il,gpointer user_data);
-
-gboolean ignorance_level_add_rule(ignorance_level *level,ignorance_rule *rule);
-
-ignorance_rule* ignorance_level_get_rule(ignorance_level *level,
- const GString *rulename);
-
-gboolean ignorance_level_remove_rule(ignorance_level *level,
- const GString *rulename);
-
-gboolean ignorance_level_add_denizen(ignorance_level *level,
- const GString *username);
-
-gboolean ignorance_level_add_denizen_fast(ignorance_level *level,
- const GString *username);
-
-gboolean ignorance_level_has_denizen(ignorance_level *level,
- const GString *username);
-
-#ifdef HAVE_REGEX_H
-gboolean ignorance_level_has_denizen_regex(ignorance_level *level,
- const gchar *regex, GList **denizens);
-#endif
-
-gboolean ignorance_level_remove_denizen(ignorance_level *level,
- const GString *username);
-
-/*
- * Determines whether a string violates one of
- * the rules defined in an ignorance level
- *
- * il is the ignorance level
- * text is the possibly offending string
- * flags are the rule flags to match
- * returns score
- */
-gint ignorance_level_rulecheck(ignorance_level *il,const GString *username,
- const GString *text, gint flags,
- GList **violations);
-
-ignorance_level* ignorance_level_read(const gchar *lvltext);
-
-gboolean ignorance_level_write(ignorance_level *level,FILE *f);
-
-#endif
--- a/ignorance/ignorance_rule.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,243 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#include "ignorance_rule.h"
-#include <string.h>
-#include <strings.h>
-#include "ignorance_internal.h"
-
-
-gboolean assign_rule_token(ignorance_rule *rule, const char *tokentxt);
-
-ignorance_rule* ignorance_rule_new() {
- ignorance_rule *ir=(ignorance_rule*)g_malloc(sizeof(ignorance_rule));
-
- ir->name=g_string_new("");
- ir->type=IGNORANCE_RULE_SIMPLETEXT;
- ir->score=0;
- ir->flags=0;
- ir->enabled=TRUE;
- ir->value=NULL;
- ir->message=NULL;
- ir->sound=NULL;
- ir->command=NULL;
-
- return ir;
-}
-
-ignorance_rule* ignorance_rule_newp(const GString *name, gint type,
- const gchar *value, gint score, gint flags,
- gboolean enabled, const gchar *message,
- const gchar *sound, const gchar *command) {
- ignorance_rule *ir=(ignorance_rule*)g_malloc(sizeof(ignorance_rule));
-
- ir->name=g_string_new(name->str);
- if(ignorance_rule_has_type(type))
- ir->type=type;
- else
- ir->type=IGNORANCE_RULE_INVALID;
- ir->value=g_strdup(value);
- ir->score=score;
- ir->flags=flags;
- ir->enabled=enabled;
- ir->message=g_strdup(message);
- ir->sound=g_strdup(sound);
- ir->command=g_strdup(command);
-
- return ir;
-}
-
-void ignorance_rule_free(ignorance_rule *ir) {
- g_string_free(ir->name,TRUE);
- g_free(ir->value);
- g_free(ir->message);
- g_free(ir->sound);
- g_free(ir->command);
- g_free(ir);
-}
-
-void ignorance_rule_free_g(gpointer ir,gpointer user_data) {
- ignorance_rule_free((ignorance_rule*)ir);
-}
-
-gboolean ignorance_rule_has_type(gint type) {
- if((type>=IGNORANCE_RULE_MINVALID) || (type<=IGNORANCE_RULE_INVALID))
- return FALSE;
- return TRUE;
-}
-
-
-gint ignorance_rule_rulecheck(ignorance_rule *rule, const GString *text,
- gint flags) {
- if((flags & rule->flags) && rule->enabled){
- switch(rule->type){
- case IGNORANCE_RULE_SIMPLETEXT:
- return simple_text_rulecheck(rule,text);
-#ifdef HAVE_REGEX_H
- case IGNORANCE_RULE_REGEX:
- return regex_rulecheck(rule,text);
-#endif
- default:
- return 0;
- }
- }
-
- return 0;
-}
-
-gint simple_text_rulecheck(ignorance_rule *rule,const GString *text) {
- const gchar *rulevalue=(const gchar*)(rule->value);
-
- if(NULL!=g_strstr_len(text->str,text->len,rulevalue))
- return rule->score;
-
- return 0;
-}
-
-#ifdef HAVE_REGEX_H
-gint regex_rulecheck(ignorance_rule *rule, const GString *text) {
- regex_t reg;
- gint rv=0;
-
- if(regcomp(&reg,(const gchar*)rule->value,REG_EXTENDED | REG_NOSUB))
- purple_debug_error("ignorance", "Error parsing regex %s\n",
- (const gchar*)(rule->value));
- else if(!regexec(&reg,text->str,1,NULL,0))
- rv=rule->score;
-
- regfree(&reg);
- return rv;
-}
-#endif
-
-gint repeat_rulecheck(ignorance_rule *rule, gint repeats) {
- gint allowed_repeats = atoi((gchar*)(rule->value));
- gint score=0;
-
- if(repeats >= allowed_repeats)
- score=rule->score;
-
- return score;
-}
-
-ignorance_rule* ignorance_rule_read_old(const gchar *ruletext) {
- gchar *tokptr=strchr((gchar*)ruletext,' '), **tokens=NULL;
- ignorance_rule *rule=ignorance_rule_new();
- int i=0;
-
- if(!tokptr){
- ignorance_rule_free(rule);
- return NULL;
- }
-
- tokens=g_strsplit(ruletext," ",INT_MAX);
-
- for(i=0;tokens[i];++i)
- assign_rule_token(rule,tokens[i]);
-
- if(rule->score > 9 || rule->score < -9)
- rule->score=IGNORANCE_FLAG_IGNORE;
- else
- rule->score=IGNORANCE_FLAG_FILTER;
-
- g_strfreev(tokens);
-
- return rule;
-}
-
-ignorance_rule* ignorance_rule_read(const gchar *ruletext) {
- gchar*tokptr=strchr((gchar*)ruletext,'\n'), **tokens;
- ignorance_rule *rule=ignorance_rule_new();
- int i=0;
-
- if(!tokptr){
- ignorance_rule_free(rule);
- return ignorance_rule_read_old(ruletext);
- }
-
- tokens=g_strsplit(ruletext,"\n",INT_MAX);
-
- for(i=0;tokens[i];++i)
- assign_rule_token(rule,tokens[i]);
-
- g_strfreev(tokens);
-
- return rule;
-}
-
-/*
- * Parses out a token of the form tokenname="value" and assigns it to a rulename
- *
- * rule is the rule to be updated
- * tokentxt is the token string
- * true returned if token is valid and successfully added to the rule
- *
- * level name1="value1" name2="value2" ...
- */
-gboolean assign_rule_token(ignorance_rule *rule,const gchar *tokentxt) {
- gchar *name=(gchar*)tokentxt, *value=NULL;
- gboolean rv=TRUE;
- gint cursor=0;
-
- value=strchr(tokentxt,'=');
- if(value) {
- (*value)='\0';
- ++value;
-
- if('"'==(*value)){
- ++value;
- cursor=strlen(value)-1;
- if('"'==value[cursor])
- value[cursor]='\0';
- }
-
- if(!strncasecmp(name,"name",BUFSIZ))
- g_string_assign(rule->name,value);
- else if(!strncasecmp(name,"type",BUFSIZ))
- rule->type=atoi(value);
- else if(!strncasecmp(name,"value",BUFSIZ)) {
- rule->value=(gchar*)g_malloc((strlen(value)+1)*sizeof(gchar));
- strncpy(rule->value,value,strlen(value)+1);
- }else if(!strncasecmp(name,"score",BUFSIZ))
- rule->score=atoi(value);
- else if(!strncasecmp(name,"flags",BUFSIZ))
- rule->flags=atoi(value);
- else if(!strncasecmp(name,"enabled",BUFSIZ))
- rule->enabled=(gboolean)atoi(value);
- else if(!strncasecmp(name,"message",BUFSIZ)) {
- rule->message=(gchar*)g_malloc((strlen(value)+1)*sizeof(gchar));
- strncpy(rule->message,value,strlen(value)+1);
- } else if(!strncasecmp(name,"command",BUFSIZ)) {
- rule->command=(gchar*)g_malloc((strlen(value)+1)*sizeof(gchar));
- strncpy(rule->command,value,strlen(value)+1);
- } else if(!strncasecmp(name,"sound",BUFSIZ)) {
- rule->sound=(gchar*)g_malloc((strlen(value)+1)*sizeof(gchar));
- strncpy(rule->sound,value,strlen(value)+1);
- } else
- rv=FALSE;
- } else
- rv=FALSE;
-
- return rv;
-}
-
-gboolean ignorance_rule_write(ignorance_rule *rule,FILE *f){
- fprintf(f,"rule\nname=\"%s\"\ntype=\"%d\"\nscore=\"%d\"\nvalue=\"%s\"\nflags=\"%d\"\nenabled=\"%d\"\nmessage=\"%s\"\ncommand=\"%s\"\nsound=\"%s\"\n/rule\n",
- rule->name->str, rule->type, rule->score, (gchar*)(rule->value),
- rule->flags, rule->enabled, rule->message, rule->command, rule->sound);
-
- return TRUE;
-}
--- a/ignorance/ignorance_rule.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,117 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_RULE_H
-#define IGNORANCE_RULE_H
-
-#ifdef HAVE_CONFIG_H
-# include "../pp_config.h"
-#endif
-
-#include <stdlib.h>
-#include <sys/types.h>
-#include <glib.h>
-#include <glib/gprintf.h>
-
-#include "debug.h"
-
-#define IGNORANCE_RULE_INVALID 0
-#define IGNORANCE_RULE_MINVALID INT_MAX
-
-#define IGNORANCE_RULE_SIMPLETEXT 1
-#define IGNORANCE_RULE_SIMPLETEXT_NUMTOKENS 6
-
-#ifdef HAVE_REGEX_H
-#include <regex.h>
-#define IGNORANCE_RULE_REGEX 2
-#define IGNORANCE_RULE_REGEX_NUMTOKENS 6
-#endif
-
-#define IGNORANCE_RULE_REPEAT 4
-#define IGNORANCE_RULE_REPEAT_NUMTOKENS 6
-
-#define IGNORANCE_FLAG_FILTER 1
-#define IGNORANCE_FLAG_IGNORE 2
-#define IGNORANCE_FLAG_MESSAGE 4
-#define IGNORANCE_FLAG_EXECUTE 8
-#define IGNORANCE_FLAG_SOUND 16
-
-/*
- * describes an ignorance rule
- *
- * name - user's name for the rule
- * type - one of the ruletypes defined within this struct
- *
- * value - the actual value of the rule
- * could be a string/regex, integer, other
- * depending on the rule type
- *
- * score - an arbitrary (user-assigned) number
- * that determines the severity of the rule
- */
-typedef struct ignorance_rule {
- GString *name;
- gint type;
- gchar *value;
- gint score;
- gint flags;
- gboolean enabled;
- gchar *message,
- *command,
- *sound;
-} ignorance_rule;
-
-ignorance_rule* ignorance_rule_new();
-
-ignorance_rule* ignorance_rule_newp(const GString *name, gint type,
- const gchar *value, gint score, gint flags,
- gboolean enabled, const gchar *message,
- const gchar *sound, const gchar *command);
-void ignorance_rule_free(ignorance_rule *ir);
-void ignorance_rule_free_g(gpointer ir,gpointer user_data);
-
-gboolean ignorance_rule_has_type(gint type);
-
-/*
- * Determines whether a string violates a rule
- *
- * rule is the rule
- * text is the possibly offending string
- * returns 0/1 boolean
- */
-gint ignorance_rule_rulecheck(ignorance_rule *rule, const GString *text,
- gint flags);
-
-gint simple_text_rulecheck(ignorance_rule *rule, const GString *text);
-
-#ifdef HAVE_REGEX_H
-gint regex_rulecheck(ignorance_rule *rule, const GString *text);
-#endif
-
-gint repeat_rulecheck(ignorance_rule *rule, gint repeats);
-
-ignorance_rule* ignorance_rule_read(const gchar *ruletext);
-
-/*
- * Writes out an ignorance rule to a file
- *
- * rule is the rule to write
- * f is the file which will be written
- * success/failure returned
- */
-gboolean ignorance_rule_write(ignorance_rule *rule, FILE *f);
-
-#endif
--- a/ignorance/ignorance_violation.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,45 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#include "ignorance_violation.h"
-#include "ignorance_internal.h"
-
-ignorance_violation* ignorance_violation_new() {
- return ignorance_violation_newp(IGNORANCE_FLAG_MESSAGE,"");
-}
-
-ignorance_violation* ignorance_violation_newp(gint newtype,
- const gchar *newvalue){
- ignorance_violation *iv=(ignorance_violation*)g_malloc(sizeof(ignorance_violation));
-
- if(iv){
- iv->type=newtype;
- iv->value=g_strdup(newvalue);
- }
-
- return iv;
-}
-
-void ignorance_violation_free(ignorance_violation *iv) {
- if(iv){
- g_free(iv->value);
- g_free(iv);
- }
-}
-
-void ignorance_violation_free_g(gpointer iv, gpointer user_data) {
- ignorance_violation_free((ignorance_violation*)iv);
-}
--- a/ignorance/ignorance_violation.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,32 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_VIOLATION_H
-#define IGNORANCE_VIOLATION_H
-
-#include "ignorance.h"
-
-typedef struct ignorance_violation {
- gint type;
- gchar *value;
-} ignorance_violation;
-
-ignorance_violation* ignorance_violation_new();
-ignorance_violation* ignorance_violation_newp(gint newtype, const gchar *newvalue);
-void ignorance_violation_free(ignorance_violation *iv);
-void ignorance_violation_free_g(gpointer iv, gpointer user_data);
-
-#endif
--- a/ignorance/interface.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,284 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-
-#include <gdk/gdkkeysyms.h>
-#include <gtk/gtk.h>
-
-#include <gtkutils.h>
-
-#include "callbacks.h"
-#include "interface.h"
-#include "support.h"
-#include "ignorance.h"
-#include "ignorance_internal.h"
-
-GtkWidget* create_uiinfo (GPtrArray *levels) {
- GtkWidget *frame, *table, *hbox, *label;
- GtkWidget *scrolledwindow, *levelView, *button;
-
- rule_selected=TRUE;
- vbox1=gtk_vbox_new(FALSE, 0);
- gtk_widget_show(vbox1);
-
- vbox2 = gtk_vbox_new(FALSE, PIDGIN_HIG_BOX_SPACE);
- gtk_widget_show(vbox2);
- gtk_box_pack_start(GTK_BOX (vbox1), vbox2, TRUE, TRUE, 0);
-
- scrolledwindow=gtk_scrolled_window_new (NULL, NULL);
- gtk_widget_show(scrolledwindow);
- gtk_box_pack_start(GTK_BOX (vbox2), scrolledwindow, TRUE, TRUE, 0);
- gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW (scrolledwindow),
- GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
- gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW (scrolledwindow),
- GTK_SHADOW_IN);
-
- store=gtk_tree_store_new(NUM_COLUMNS,G_TYPE_STRING,G_TYPE_STRING);
-
- levelView=gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
-
- renderer=gtk_cell_renderer_text_new ();
- column=gtk_tree_view_column_new_with_attributes ("Levels", renderer,
- "text", LEVEL_COLUMN, NULL);
- gtk_tree_view_append_column(GTK_TREE_VIEW (levelView), column);
- column=gtk_tree_view_column_new_with_attributes("Rules", renderer, "text",
- RULE_COLUMN,NULL);
- gtk_tree_view_append_column (GTK_TREE_VIEW (levelView), column);
-
- load_form_with_levels(GTK_TREE_VIEW(levelView), levels);
-
- gtk_widget_show(levelView);
- gtk_container_add(GTK_CONTAINER(scrolledwindow), levelView);
-
- sel=gtk_tree_view_get_selection(GTK_TREE_VIEW(levelView));
- gtk_tree_selection_set_mode(sel, GTK_SELECTION_SINGLE);
-
- hbox = gtk_hbox_new (FALSE, 0);
- gtk_widget_show (hbox);
- gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
-
- button=pidgin_pixbuf_button_from_stock(_("Create new rule"),
- GTK_STOCK_ADD, PIDGIN_BUTTON_HORIZONTAL);
- gtk_widget_show (button);
- gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
- g_signal_connect((gpointer) button, "clicked",
- G_CALLBACK (on_levelAdd_clicked), levelView);
-
- button=pidgin_pixbuf_button_from_stock(_("Create new group"),
- GTK_STOCK_ADD, PIDGIN_BUTTON_HORIZONTAL);
- gtk_widget_show (button);
- gtk_box_pack_start (GTK_BOX (hbox), button, TRUE, TRUE, 0);
- g_signal_connect ((gpointer) button, "clicked",
- G_CALLBACK (on_groupAdd_clicked), levelView);
-
- button=pidgin_pixbuf_button_from_stock(_("Save changes"), GTK_STOCK_YES,
- PIDGIN_BUTTON_HORIZONTAL);
- gtk_widget_show (button);
- gtk_box_pack_start(GTK_BOX (hbox), button, TRUE, TRUE, 0);
- g_signal_connect((gpointer) button, "clicked",
- G_CALLBACK (on_levelEdit_clicked), levelView);
-
-/* XXX: The stock-icon for levelDel doesn't show, because the text is
- * set from callback.c. Can we do with just `Remove' for the text
- * and not updating as the selection in the tree changes?
- */
- levelDel=pidgin_pixbuf_button_from_stock(_("Remove rule"), GTK_STOCK_REMOVE,
- PIDGIN_BUTTON_HORIZONTAL);
- gtk_widget_show (levelDel);
- gtk_box_pack_start (GTK_BOX (hbox), levelDel, TRUE, TRUE, 0);
- g_signal_connect((gpointer) levelDel, "clicked",
- G_CALLBACK (on_levelDel_clicked), levelView);
-
- table=gtk_table_new(3, 2, FALSE);
- gtk_container_set_border_width(GTK_CONTAINER(table), PIDGIN_HIG_BOX_SPACE);
- gtk_table_set_col_spacings(GTK_TABLE(table), PIDGIN_HIG_BOX_SPACE);
- gtk_table_set_row_spacings(GTK_TABLE(table), PIDGIN_HIG_BOX_SPACE);
- gtk_widget_show (table);
- gtk_box_pack_start (GTK_BOX (vbox2), table, FALSE, TRUE, 0);
-
- label=gtk_label_new_with_mnemonic(_("Name: "));
- gtk_widget_show(label);
- gtk_table_attach(GTK_TABLE (table), label, 0, 1, 0, 1, GTK_FILL, 0, 0, 0);
-
- rulename=gtk_entry_new ();
- gtk_widget_show(rulename);
- gtk_table_attach_defaults(GTK_TABLE (table), rulename, 1, 2, 0, 1);
-
- label=gtk_label_new_with_mnemonic(_("Filter: "));
- gtk_widget_show(label);
- gtk_table_attach(GTK_TABLE (table), label, 0, 1, 1, 2, GTK_FILL, 0, 0, 0);
-
- filtervalue=gtk_entry_new ();
- gtk_widget_show(filtervalue);
- gtk_table_attach_defaults(GTK_TABLE (table), filtervalue, 1, 2, 1, 2);
-
- hbox=gtk_hbox_new (FALSE, 0);
- gtk_widget_show(hbox);
- gtk_table_attach_defaults(GTK_TABLE (table), hbox, 0, 2, 2, 3);
-
- enabled_cb=gtk_check_button_new_with_mnemonic(_("Enabled"));
- gtk_widget_show(enabled_cb);
- gtk_box_pack_start(GTK_BOX(hbox),enabled_cb,FALSE,FALSE,0);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enabled_cb),TRUE);
-
-#ifdef HAVE_REGEX_H
- regex_cb=gtk_check_button_new_with_mnemonic (_("Regular Expression"));
- gtk_widget_show(regex_cb);
- gtk_box_pack_start (GTK_BOX (hbox), regex_cb, FALSE, FALSE, 0);
-#endif
-
- repeat_cb=gtk_check_button_new_with_mnemonic (_("Repeat"));
- gtk_widget_set_sensitive(repeat_cb,FALSE);
- gtk_widget_show(repeat_cb);
- gtk_box_pack_start(GTK_BOX (hbox), repeat_cb, FALSE, FALSE, 0);
- gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (repeat_cb), FALSE);
-
- frame=gtk_frame_new (NULL);
- gtk_widget_show(frame);
- gtk_box_pack_start(GTK_BOX (vbox2), frame, FALSE, TRUE, 0);
-
- table=gtk_table_new(4, 2, FALSE);
- gtk_container_set_border_width(GTK_CONTAINER(table), PIDGIN_HIG_BOX_SPACE);
- gtk_table_set_col_spacings(GTK_TABLE(table), PIDGIN_HIG_BOX_SPACE);
- gtk_widget_show(table);
- gtk_container_add(GTK_CONTAINER(frame), table);
-
- hbox=gtk_hbox_new(FALSE, 0);
- gtk_widget_show(hbox);
- gtk_table_attach_defaults(GTK_TABLE(table), hbox, 0, 2, 0, 1);
-
- filter_cb=gtk_check_button_new_with_label(_("Filter"));
- gtk_widget_show(filter_cb);
- gtk_box_pack_start(GTK_BOX (hbox), filter_cb, FALSE, FALSE, 0);
-
- ignore_cb=gtk_check_button_new_with_label(_("Ignore"));
- gtk_widget_show(ignore_cb);
- gtk_box_pack_start(GTK_BOX (hbox), ignore_cb, FALSE, FALSE, 0);
-
- message_cb = gtk_check_button_new_with_label(_("Send Message"));
- gtk_widget_show(message_cb);
- gtk_table_attach(GTK_TABLE(table), message_cb, 0, 1, 1, 2, GTK_FILL, 0, 0, 0);
-
- message_entry=gtk_entry_new();
- gtk_widget_set_sensitive(message_entry,FALSE);
- gtk_widget_show(message_entry);
- gtk_table_attach_defaults(GTK_TABLE(table), message_entry, 1, 2, 1, 2);
-
- sound_cb = gtk_check_button_new_with_label(_("Play sound"));
- gtk_widget_show(sound_cb);
- gtk_table_attach(GTK_TABLE(table), sound_cb, 0, 1, 2, 3, GTK_FILL, 0, 0, 0);
-
- hbox=gtk_hbox_new (FALSE, 0);
- gtk_widget_show (hbox);
- gtk_table_attach_defaults(GTK_TABLE(table), hbox, 1, 2, 2, 3);
-
- sound_entry=gtk_entry_new();
- gtk_widget_set_sensitive(sound_entry,FALSE);
- gtk_widget_show(sound_entry);
- gtk_box_pack_start(GTK_BOX(hbox),sound_entry,FALSE,FALSE,0);
-
- sound_browse=gtk_button_new_with_label(_("Browse"));
- gtk_widget_set_sensitive(sound_browse,FALSE);
- gtk_widget_show(sound_browse);
- gtk_box_pack_start(GTK_BOX(hbox),sound_browse,FALSE,FALSE,0);
-
- execute_cb=gtk_check_button_new_with_label(_("Execute command"));
- gtk_widget_show(execute_cb);
- gtk_table_attach(GTK_TABLE(table), execute_cb, 0, 1, 3, 4, GTK_FILL, 0, 0, 0);
-
- execute_entry=gtk_entry_new();
- gtk_widget_set_sensitive(execute_entry,FALSE);
- gtk_widget_show(execute_entry);
- gtk_table_attach_defaults(GTK_TABLE(table), execute_entry, 1, 2, 3, 4);
-
- label=gtk_label_new(_("Take action"));
- gtk_widget_show(label);
- gtk_frame_set_label_widget(GTK_FRAME (frame), label);
-
- frame=gtk_frame_new (NULL);
- gtk_widget_show(frame);
- gtk_box_pack_start(GTK_BOX (vbox2), frame, FALSE, TRUE, 0);
-
- table=gtk_table_new (3, 2, FALSE);
- gtk_widget_show(table);
- gtk_container_set_border_width(GTK_CONTAINER(table), PIDGIN_HIG_BOX_SPACE);
- gtk_table_set_col_spacings(GTK_TABLE(table), PIDGIN_HIG_BOX_SPACE);
- gtk_container_add(GTK_CONTAINER (frame), table);
-
- im_type_cb=gtk_check_button_new_with_mnemonic(_("IM Text"));
- gtk_widget_show(im_type_cb);
- gtk_table_attach(GTK_TABLE (table), im_type_cb, 0, 1, 0, 1,
- (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
- (GtkAttachOptions) (GTK_EXPAND | GTK_FILL), 0, 0);
-
- chat_type_cb=gtk_check_button_new_with_mnemonic(_("Chat Text"));
- gtk_widget_show(chat_type_cb);
- gtk_table_attach(GTK_TABLE (table), chat_type_cb, 1, 2, 0, 1,
- (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
- (GtkAttachOptions) (GTK_EXPAND | GTK_FILL), 0, 0);
- gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON (chat_type_cb), TRUE);
-
- username_type_cb=gtk_check_button_new_with_mnemonic(_("User names"));
- gtk_widget_show(username_type_cb);
- gtk_table_attach(GTK_TABLE (table), username_type_cb, 0, 1, 1, 2,
- (GtkAttachOptions) (GTK_EXPAND | GTK_FILL),
- (GtkAttachOptions) (GTK_EXPAND | GTK_FILL), 0, 0);
-
- enterleave_type_cb=gtk_check_button_new_with_mnemonic (_("Enter/Leave"));
- gtk_widget_show(enterleave_type_cb);
- gtk_table_attach(GTK_TABLE (table), enterleave_type_cb, 1, 2, 1, 2,
- (GtkAttachOptions) (GTK_FILL),
- (GtkAttachOptions) (0), 0, 0);
-
- invite_type_cb=gtk_check_button_new_with_mnemonic (_("Invitations"));
- gtk_widget_show(invite_type_cb);
- gtk_table_attach(GTK_TABLE (table), invite_type_cb, 0, 1, 2, 3,
- (GtkAttachOptions) (GTK_FILL),
- (GtkAttachOptions) (0), 0, 0);
-
- label=gtk_label_new (_("Filter"));
- gtk_widget_show(label);
- gtk_frame_set_label_widget(GTK_FRAME (frame), label);
-
- g_signal_connect(GTK_WIDGET(vbox1), "destroy", G_CALLBACK(save_conf),NULL);
- g_signal_connect((gpointer)sel, "changed",
- G_CALLBACK (on_levelView_row_activated), NULL);
-
- g_signal_connect((gpointer) filter_cb, "toggled",
- G_CALLBACK (on_filter_cb_toggled), NULL);
-
- g_signal_connect((gpointer) ignore_cb, "toggled",
- G_CALLBACK (on_ignore_cb_toggled), NULL);
-
- g_signal_connect((gpointer) message_cb, "toggled",
- G_CALLBACK (on_message_cb_toggled), NULL);
-
- g_signal_connect((gpointer) sound_cb, "toggled",
- G_CALLBACK (on_sound_cb_toggled), NULL);
-
- g_signal_connect((gpointer) execute_cb, "toggled",
- G_CALLBACK (on_execute_cb_toggled), NULL);
-
- g_signal_connect((gpointer) sound_browse, "clicked",
- G_CALLBACK (on_sound_browse_clicked), NULL);
-
- return vbox1;
-}
--- a/ignorance/interface.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_INTERFACE_H
-#define IGNORANCE_INTERFACE_H
-
-GtkWidget *vbox1;
-GtkWidget *vbox2;
-GtkWidget *levelDel;
-GtkWidget *rulename;
-GtkWidget *filtervalue;
-GtkWidget *repeat_cb;
-GtkWidget *regex_cb;
-GtkWidget *im_type_cb;
-GtkWidget *chat_type_cb;
-GtkWidget *username_type_cb;
-GtkWidget *enterleave_type_cb;
-GtkWidget *invite_type_cb;
-GtkWidget *enabled_cb;
-GtkWidget *filter_cb;
-GtkWidget *ignore_cb;
-GtkWidget *message_cb, *message_entry;
-GtkWidget *sound_cb, *sound_entry, *sound_browse;
-
-GtkWidget *execute_cb, *execute_entry, *execute_browse;
-
-GtkCellRenderer *renderer;
-GtkTreeViewColumn *column;
-GtkTreeStore *store;
-GtkTreeSelection *sel;
-gboolean rule_selected;
-
-GtkWidget* create_uiinfo(GPtrArray *levels);
-
-#endif
--- a/ignorance/meson.build Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,26 +0,0 @@
-if TYPES.contains('incomplete') and PIDGIN.found()
- ignorance_confdir = join_paths(
- get_option('prefix'),
- get_option('sysconfdir'),
- 'pidgin')
-
- install_data('ignorance.conf', install_dir : ignorance_confdir)
-
- ignorance = shared_module('ignorance',
- 'ignorance.c',
- 'ignorance_level.c',
- 'ignorance_rule.c',
- 'ignorance_violation.c',
- 'ignorance_denizen.c',
- 'callbacks.c',
- 'interface.c',
- 'support.c',
- c_args : [
- '-DIGNORANCE_CONFDIR="@0@"'.format(ignorance_confdir),
- ],
- dependencies : [PIDGIN, GTK],
- name_prefix : '',
- install : true,
- install_dir : PIDGIN_LIBDIR)
- PP_PIDGIN_BUILD += 'ignorance'
-endif
--- a/ignorance/regex.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,4952 +0,0 @@
-/* Extended regular expression matching and search library,
- version 0.12.
- (Implements POSIX draft P10003.2/D11.2, except for
- internationalization features.)
-
- Copyright (C) 1993 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-/* AIX requires this to be the first thing in the file. */
-#if defined (_AIX) && !defined (REGEX_MALLOC)
- #pragma alloca
-#endif
-
-#define _GNU_SOURCE
-
-/* We need this for `regex.h', and perhaps for the Emacs include files. */
-#include <sys/types.h>
-
-#ifdef HAVE_CONFIG_H
-#include "../ig_config.h"
-#endif
-
-/* The `emacs' switch turns on certain matching commands
- that make sense only in Emacs. */
-#ifdef emacs
-
-#include "lisp.h"
-#include "buffer.h"
-#include "syntax.h"
-
-/* Emacs uses `NULL' as a predicate. */
-#undef NULL
-
-#else /* not emacs */
-
-/* We used to test for `BSTRING' here, but only GCC and Emacs define
- `BSTRING', as far as I know, and neither of them use this code. */
-#if HAVE_STRING_H || STDC_HEADERS
-#include <string.h>
-#ifndef bcmp
-#define bcmp(s1, s2, n) memcmp ((s1), (s2), (n))
-#endif
-#ifndef bcopy
-#define bcopy(s, d, n) memcpy ((d), (s), (n))
-#endif
-#ifndef bzero
-#define bzero(s, n) memset ((s), 0, (n))
-#endif
-#else
-#include <strings.h>
-#endif
-
-#ifdef STDC_HEADERS
-#include <stdlib.h>
-#else
-char *malloc ();
-char *realloc ();
-#endif
-
-
-/* Define the syntax stuff for \<, \>, etc. */
-
-/* This must be nonzero for the wordchar and notwordchar pattern
- commands in re_match_2. */
-#ifndef Sword
-#define Sword 1
-#endif
-
-#ifdef SYNTAX_TABLE
-
-extern char *re_syntax_table;
-
-#else /* not SYNTAX_TABLE */
-
-/* How many characters in the character set. */
-#define CHAR_SET_SIZE 256
-
-static char re_syntax_table[CHAR_SET_SIZE];
-
-static void
-init_syntax_once ()
-{
- register int c;
- static int done = 0;
-
- if (done)
- return;
-
- bzero (re_syntax_table, sizeof re_syntax_table);
-
- for (c = 'a'; c <= 'z'; c++)
- re_syntax_table[c] = Sword;
-
- for (c = 'A'; c <= 'Z'; c++)
- re_syntax_table[c] = Sword;
-
- for (c = '0'; c <= '9'; c++)
- re_syntax_table[c] = Sword;
-
- re_syntax_table['_'] = Sword;
-
- done = 1;
-}
-
-#endif /* not SYNTAX_TABLE */
-
-#define SYNTAX(c) re_syntax_table[c]
-
-#endif /* not emacs */
-
-/* Get the interface, including the syntax bits. */
-#include "regex.h"
-
-/* isalpha etc. are used for the character classes. */
-#include <ctype.h>
-
-#ifndef isascii
-#define isascii(c) 1
-#endif
-
-#ifdef isblank
-#define ISBLANK(c) (isascii (c) && isblank (c))
-#else
-#define ISBLANK(c) ((c) == ' ' || (c) == '\t')
-#endif
-#ifdef isgraph
-#define ISGRAPH(c) (isascii (c) && isgraph (c))
-#else
-#define ISGRAPH(c) (isascii (c) && isprint (c) && !isspace (c))
-#endif
-
-#define ISPRINT(c) (isascii (c) && isprint (c))
-#define ISDIGIT(c) (isascii (c) && isdigit (c))
-#define ISALNUM(c) (isascii (c) && isalnum (c))
-#define ISALPHA(c) (isascii (c) && isalpha (c))
-#define ISCNTRL(c) (isascii (c) && iscntrl (c))
-#define ISLOWER(c) (isascii (c) && islower (c))
-#define ISPUNCT(c) (isascii (c) && ispunct (c))
-#define ISSPACE(c) (isascii (c) && isspace (c))
-#define ISUPPER(c) (isascii (c) && isupper (c))
-#define ISXDIGIT(c) (isascii (c) && isxdigit (c))
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-/* We remove any previous definition of `SIGN_EXTEND_CHAR',
- since ours (we hope) works properly with all combinations of
- machines, compilers, `char' and `unsigned char' argument types.
- (Per Bothner suggested the basic approach.) */
-#undef SIGN_EXTEND_CHAR
-#if __STDC__
-#define SIGN_EXTEND_CHAR(c) ((signed char) (c))
-#else /* not __STDC__ */
-/* As in Harbison and Steele. */
-#define SIGN_EXTEND_CHAR(c) ((((unsigned char) (c)) ^ 128) - 128)
-#endif
-
-/* Should we use malloc or alloca? If REGEX_MALLOC is not defined, we
- use `alloca' instead of `malloc'. This is because using malloc in
- re_search* or re_match* could cause memory leaks when C-g is used in
- Emacs; also, malloc is slower and causes storage fragmentation. On
- the other hand, malloc is more portable, and easier to debug.
-
- Because we sometimes use alloca, some routines have to be macros,
- not functions -- `alloca'-allocated space disappears at the end of the
- function it is called in. */
-
-#ifdef REGEX_MALLOC
-
-#define REGEX_ALLOCATE malloc
-#define REGEX_REALLOCATE(source, osize, nsize) realloc (source, nsize)
-
-#else /* not REGEX_MALLOC */
-
-/* Emacs already defines alloca, sometimes. */
-#ifndef alloca
-
-/* Make alloca work the best possible way. */
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* not __GNUC__ */
-#if HAVE_ALLOCA_H
-#include <alloca.h>
-#else /* not __GNUC__ or HAVE_ALLOCA_H */
-#ifndef _AIX /* Already did AIX, up at the top. */
-char *alloca ();
-#endif /* not _AIX */
-#endif /* not HAVE_ALLOCA_H */
-#endif /* not __GNUC__ */
-
-#endif /* not alloca */
-
-#define REGEX_ALLOCATE alloca
-
-/* Assumes a `char *destination' variable. */
-#define REGEX_REALLOCATE(source, osize, nsize) \
- (destination = (char *) alloca (nsize), \
- bcopy (source, destination, osize), \
- destination)
-
-#endif /* not REGEX_MALLOC */
-
-
-/* True if `size1' is non-NULL and PTR is pointing anywhere inside
- `string1' or just past its end. This works if PTR is NULL, which is
- a good thing. */
-#define FIRST_STRING_P(ptr) \
- (size1 && string1 <= (ptr) && (ptr) <= string1 + size1)
-
-/* (Re)Allocate N items of type T using malloc, or fail. */
-#define TALLOC(n, t) ((t *) malloc ((n) * sizeof (t)))
-#define RETALLOC(addr, n, t) ((addr) = (t *) realloc (addr, (n) * sizeof (t)))
-#define REGEX_TALLOC(n, t) ((t *) REGEX_ALLOCATE ((n) * sizeof (t)))
-
-#define BYTEWIDTH 8 /* In bits. */
-
-#define STREQ(s1, s2) ((strcmp (s1, s2) == 0))
-
-#define MAX(a, b) ((a) > (b) ? (a) : (b))
-#define MIN(a, b) ((a) < (b) ? (a) : (b))
-
-typedef char boolean;
-#define false 0
-#define true 1
-
-/* These are the command codes that appear in compiled regular
- expressions. Some opcodes are followed by argument bytes. A
- command code can specify any interpretation whatsoever for its
- arguments. Zero bytes may appear in the compiled regular expression.
-
- The value of `exactn' is needed in search.c (search_buffer) in Emacs.
- So regex.h defines a symbol `RE_EXACTN_VALUE' to be 1; the value of
- `exactn' we use here must also be 1. */
-
-typedef enum
-{
- no_op = 0,
-
- /* Followed by one byte giving n, then by n literal bytes. */
- exactn = 1,
-
- /* Matches any (more or less) character. */
- anychar,
-
- /* Matches any one char belonging to specified set. First
- following byte is number of bitmap bytes. Then come bytes
- for a bitmap saying which chars are in. Bits in each byte
- are ordered low-bit-first. A character is in the set if its
- bit is 1. A character too large to have a bit in the map is
- automatically not in the set. */
- charset,
-
- /* Same parameters as charset, but match any character that is
- not one of those specified. */
- charset_not,
-
- /* Start remembering the text that is matched, for storing in a
- register. Followed by one byte with the register number, in
- the range 0 to one less than the pattern buffer's re_nsub
- field. Then followed by one byte with the number of groups
- inner to this one. (This last has to be part of the
- start_memory only because we need it in the on_failure_jump
- of re_match_2.) */
- start_memory,
-
- /* Stop remembering the text that is matched and store it in a
- memory register. Followed by one byte with the register
- number, in the range 0 to one less than `re_nsub' in the
- pattern buffer, and one byte with the number of inner groups,
- just like `start_memory'. (We need the number of inner
- groups here because we don't have any easy way of finding the
- corresponding start_memory when we're at a stop_memory.) */
- stop_memory,
-
- /* Match a duplicate of something remembered. Followed by one
- byte containing the register number. */
- duplicate,
-
- /* Fail unless at beginning of line. */
- begline,
-
- /* Fail unless at end of line. */
- endline,
-
- /* Succeeds if at beginning of buffer (if emacs) or at beginning
- of string to be matched (if not). */
- begbuf,
-
- /* Analogously, for end of buffer/string. */
- endbuf,
-
- /* Followed by two byte relative address to which to jump. */
- jump,
-
- /* Same as jump, but marks the end of an alternative. */
- jump_past_alt,
-
- /* Followed by two-byte relative address of place to resume at
- in case of failure. */
- on_failure_jump,
-
- /* Like on_failure_jump, but pushes a placeholder instead of the
- current string position when executed. */
- on_failure_keep_string_jump,
-
- /* Throw away latest failure point and then jump to following
- two-byte relative address. */
- pop_failure_jump,
-
- /* Change to pop_failure_jump if know won't have to backtrack to
- match; otherwise change to jump. This is used to jump
- back to the beginning of a repeat. If what follows this jump
- clearly won't match what the repeat does, such that we can be
- sure that there is no use backtracking out of repetitions
- already matched, then we change it to a pop_failure_jump.
- Followed by two-byte address. */
- maybe_pop_jump,
-
- /* Jump to following two-byte address, and push a dummy failure
- point. This failure point will be thrown away if an attempt
- is made to use it for a failure. A `+' construct makes this
- before the first repeat. Also used as an intermediary kind
- of jump when compiling an alternative. */
- dummy_failure_jump,
-
- /* Push a dummy failure point and continue. Used at the end of
- alternatives. */
- push_dummy_failure,
-
- /* Followed by two-byte relative address and two-byte number n.
- After matching N times, jump to the address upon failure. */
- succeed_n,
-
- /* Followed by two-byte relative address, and two-byte number n.
- Jump to the address N times, then fail. */
- jump_n,
-
- /* Set the following two-byte relative address to the
- subsequent two-byte number. The address *includes* the two
- bytes of number. */
- set_number_at,
-
- wordchar, /* Matches any word-constituent character. */
- notwordchar, /* Matches any char that is not a word-constituent. */
-
- wordbeg, /* Succeeds if at word beginning. */
- wordend, /* Succeeds if at word end. */
-
- wordbound, /* Succeeds if at a word boundary. */
- notwordbound /* Succeeds if not at a word boundary. */
-
-#ifdef emacs
- ,before_dot, /* Succeeds if before point. */
- at_dot, /* Succeeds if at point. */
- after_dot, /* Succeeds if after point. */
-
- /* Matches any character whose syntax is specified. Followed by
- a byte which contains a syntax code, e.g., Sword. */
- syntaxspec,
-
- /* Matches any character whose syntax is not that specified. */
- notsyntaxspec
-#endif /* emacs */
-} re_opcode_t;
-
-/* Common operations on the compiled pattern. */
-
-/* Store NUMBER in two contiguous bytes starting at DESTINATION. */
-
-#define STORE_NUMBER(destination, number) \
- do { \
- (destination)[0] = (number) & 0377; \
- (destination)[1] = (number) >> 8; \
- } while (0)
-
-/* Same as STORE_NUMBER, except increment DESTINATION to
- the byte after where the number is stored. Therefore, DESTINATION
- must be an lvalue. */
-
-#define STORE_NUMBER_AND_INCR(destination, number) \
- do { \
- STORE_NUMBER (destination, number); \
- (destination) += 2; \
- } while (0)
-
-/* Put into DESTINATION a number stored in two contiguous bytes starting
- at SOURCE. */
-
-#define EXTRACT_NUMBER(destination, source) \
- do { \
- (destination) = *(source) & 0377; \
- (destination) += SIGN_EXTEND_CHAR (*((source) + 1)) << 8; \
- } while (0)
-
-#ifdef DEBUG
-static void
-extract_number (dest, source)
- int *dest;
- unsigned char *source;
-{
- int temp = SIGN_EXTEND_CHAR (*(source + 1));
- *dest = *source & 0377;
- *dest += temp << 8;
-}
-
-#ifndef EXTRACT_MACROS /* To debug the macros. */
-#undef EXTRACT_NUMBER
-#define EXTRACT_NUMBER(dest, src) extract_number (&dest, src)
-#endif /* not EXTRACT_MACROS */
-
-#endif /* DEBUG */
-
-/* Same as EXTRACT_NUMBER, except increment SOURCE to after the number.
- SOURCE must be an lvalue. */
-
-#define EXTRACT_NUMBER_AND_INCR(destination, source) \
- do { \
- EXTRACT_NUMBER (destination, source); \
- (source) += 2; \
- } while (0)
-
-#ifdef DEBUG
-static void
-extract_number_and_incr (destination, source)
- int *destination;
- unsigned char **source;
-{
- extract_number (destination, *source);
- *source += 2;
-}
-
-#ifndef EXTRACT_MACROS
-#undef EXTRACT_NUMBER_AND_INCR
-#define EXTRACT_NUMBER_AND_INCR(dest, src) \
- extract_number_and_incr (&dest, &src)
-#endif /* not EXTRACT_MACROS */
-
-#endif /* DEBUG */
-
-/* If DEBUG is defined, Regex prints many voluminous messages about what
- it is doing (if the variable `debug' is nonzero). If linked with the
- main program in `iregex.c', you can enter patterns and strings
- interactively. And if linked with the main program in `main.c' and
- the other test files, you can run the already-written tests. */
-
-#ifdef DEBUG
-
-/* We use standard I/O for debugging. */
-#include <stdio.h>
-
-/* It is useful to test things that ``must'' be true when debugging. */
-#include <assert.h>
-
-static int debug = 0;
-
-#define DEBUG_STATEMENT(e) e
-#define DEBUG_PRINT1(x) if (debug) printf (x)
-#define DEBUG_PRINT2(x1, x2) if (debug) printf (x1, x2)
-#define DEBUG_PRINT3(x1, x2, x3) if (debug) printf (x1, x2, x3)
-#define DEBUG_PRINT4(x1, x2, x3, x4) if (debug) printf (x1, x2, x3, x4)
-#define DEBUG_PRINT_COMPILED_PATTERN(p, s, e) \
- if (debug) print_partial_compiled_pattern (s, e)
-#define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2) \
- if (debug) print_double_string (w, s1, sz1, s2, sz2)
-
-
-extern void printchar ();
-
-/* Print the fastmap in human-readable form. */
-
-void
-print_fastmap (fastmap)
- char *fastmap;
-{
- unsigned was_a_range = 0;
- unsigned i = 0;
-
- while (i < (1 << BYTEWIDTH))
- {
- if (fastmap[i++])
- {
- was_a_range = 0;
- printchar (i - 1);
- while (i < (1 << BYTEWIDTH) && fastmap[i])
- {
- was_a_range = 1;
- i++;
- }
- if (was_a_range)
- {
- printf ("-");
- printchar (i - 1);
- }
- }
- }
- putchar ('\n');
-}
-
-
-/* Print a compiled pattern string in human-readable form, starting at
- the START pointer into it and ending just before the pointer END. */
-
-void
-print_partial_compiled_pattern (start, end)
- unsigned char *start;
- unsigned char *end;
-{
- int mcnt, mcnt2;
- unsigned char *p = start;
- unsigned char *pend = end;
-
- if (start == NULL)
- {
- printf ("(null)\n");
- return;
- }
-
- /* Loop over pattern commands. */
- while (p < pend)
- {
- switch ((re_opcode_t) *p++)
- {
- case no_op:
- printf ("/no_op");
- break;
-
- case exactn:
- mcnt = *p++;
- printf ("/exactn/%d", mcnt);
- do
- {
- putchar ('/');
- printchar (*p++);
- }
- while (--mcnt);
- break;
-
- case start_memory:
- mcnt = *p++;
- printf ("/start_memory/%d/%d", mcnt, *p++);
- break;
-
- case stop_memory:
- mcnt = *p++;
- printf ("/stop_memory/%d/%d", mcnt, *p++);
- break;
-
- case duplicate:
- printf ("/duplicate/%d", *p++);
- break;
-
- case anychar:
- printf ("/anychar");
- break;
-
- case charset:
- case charset_not:
- {
- register int c;
-
- printf ("/charset%s",
- (re_opcode_t) *(p - 1) == charset_not ? "_not" : "");
-
- assert (p + *p < pend);
-
- for (c = 0; c < *p; c++)
- {
- unsigned bit;
- unsigned char map_byte = p[1 + c];
-
- putchar ('/');
-
- for (bit = 0; bit < BYTEWIDTH; bit++)
- if (map_byte & (1 << bit))
- printchar (c * BYTEWIDTH + bit);
- }
- p += 1 + *p;
- break;
- }
-
- case begline:
- printf ("/begline");
- break;
-
- case endline:
- printf ("/endline");
- break;
-
- case on_failure_jump:
- extract_number_and_incr (&mcnt, &p);
- printf ("/on_failure_jump/0/%d", mcnt);
- break;
-
- case on_failure_keep_string_jump:
- extract_number_and_incr (&mcnt, &p);
- printf ("/on_failure_keep_string_jump/0/%d", mcnt);
- break;
-
- case dummy_failure_jump:
- extract_number_and_incr (&mcnt, &p);
- printf ("/dummy_failure_jump/0/%d", mcnt);
- break;
-
- case push_dummy_failure:
- printf ("/push_dummy_failure");
- break;
-
- case maybe_pop_jump:
- extract_number_and_incr (&mcnt, &p);
- printf ("/maybe_pop_jump/0/%d", mcnt);
- break;
-
- case pop_failure_jump:
- extract_number_and_incr (&mcnt, &p);
- printf ("/pop_failure_jump/0/%d", mcnt);
- break;
-
- case jump_past_alt:
- extract_number_and_incr (&mcnt, &p);
- printf ("/jump_past_alt/0/%d", mcnt);
- break;
-
- case jump:
- extract_number_and_incr (&mcnt, &p);
- printf ("/jump/0/%d", mcnt);
- break;
-
- case succeed_n:
- extract_number_and_incr (&mcnt, &p);
- extract_number_and_incr (&mcnt2, &p);
- printf ("/succeed_n/0/%d/0/%d", mcnt, mcnt2);
- break;
-
- case jump_n:
- extract_number_and_incr (&mcnt, &p);
- extract_number_and_incr (&mcnt2, &p);
- printf ("/jump_n/0/%d/0/%d", mcnt, mcnt2);
- break;
-
- case set_number_at:
- extract_number_and_incr (&mcnt, &p);
- extract_number_and_incr (&mcnt2, &p);
- printf ("/set_number_at/0/%d/0/%d", mcnt, mcnt2);
- break;
-
- case wordbound:
- printf ("/wordbound");
- break;
-
- case notwordbound:
- printf ("/notwordbound");
- break;
-
- case wordbeg:
- printf ("/wordbeg");
- break;
-
- case wordend:
- printf ("/wordend");
-
-#ifdef emacs
- case before_dot:
- printf ("/before_dot");
- break;
-
- case at_dot:
- printf ("/at_dot");
- break;
-
- case after_dot:
- printf ("/after_dot");
- break;
-
- case syntaxspec:
- printf ("/syntaxspec");
- mcnt = *p++;
- printf ("/%d", mcnt);
- break;
-
- case notsyntaxspec:
- printf ("/notsyntaxspec");
- mcnt = *p++;
- printf ("/%d", mcnt);
- break;
-#endif /* emacs */
-
- case wordchar:
- printf ("/wordchar");
- break;
-
- case notwordchar:
- printf ("/notwordchar");
- break;
-
- case begbuf:
- printf ("/begbuf");
- break;
-
- case endbuf:
- printf ("/endbuf");
- break;
-
- default:
- printf ("?%d", *(p-1));
- }
- }
- printf ("/\n");
-}
-
-
-void
-print_compiled_pattern (bufp)
- struct re_pattern_buffer *bufp;
-{
- unsigned char *buffer = bufp->buffer;
-
- print_partial_compiled_pattern (buffer, buffer + bufp->used);
- printf ("%d bytes used/%d bytes allocated.\n", bufp->used, bufp->allocated);
-
- if (bufp->fastmap_accurate && bufp->fastmap)
- {
- printf ("fastmap: ");
- print_fastmap (bufp->fastmap);
- }
-
- printf ("re_nsub: %d\t", bufp->re_nsub);
- printf ("regs_alloc: %d\t", bufp->regs_allocated);
- printf ("can_be_null: %d\t", bufp->can_be_null);
- printf ("newline_anchor: %d\n", bufp->newline_anchor);
- printf ("no_sub: %d\t", bufp->no_sub);
- printf ("not_bol: %d\t", bufp->not_bol);
- printf ("not_eol: %d\t", bufp->not_eol);
- printf ("syntax: %d\n", bufp->syntax);
- /* Perhaps we should print the translate table? */
-}
-
-
-void
-print_double_string (where, string1, size1, string2, size2)
- const char *where;
- const char *string1;
- const char *string2;
- int size1;
- int size2;
-{
- unsigned this_char;
-
- if (where == NULL)
- printf ("(null)");
- else
- {
- if (FIRST_STRING_P (where))
- {
- for (this_char = where - string1; this_char < size1; this_char++)
- printchar (string1[this_char]);
-
- where = string2;
- }
-
- for (this_char = where - string2; this_char < size2; this_char++)
- printchar (string2[this_char]);
- }
-}
-
-#else /* not DEBUG */
-
-#undef assert
-#define assert(e)
-
-#define DEBUG_STATEMENT(e)
-#define DEBUG_PRINT1(x)
-#define DEBUG_PRINT2(x1, x2)
-#define DEBUG_PRINT3(x1, x2, x3)
-#define DEBUG_PRINT4(x1, x2, x3, x4)
-#define DEBUG_PRINT_COMPILED_PATTERN(p, s, e)
-#define DEBUG_PRINT_DOUBLE_STRING(w, s1, sz1, s2, sz2)
-
-#endif /* not DEBUG */
-
-/* Set by `re_set_syntax' to the current regexp syntax to recognize. Can
- also be assigned to arbitrarily: each pattern buffer stores its own
- syntax, so it can be changed between regex compilations. */
-reg_syntax_t re_syntax_options = RE_SYNTAX_EMACS;
-
-
-/* Specify the precise syntax of regexps for compilation. This provides
- for compatibility for various utilities which historically have
- different, incompatible syntaxes.
-
- The argument SYNTAX is a bit mask comprised of the various bits
- defined in regex.h. We return the old syntax. */
-
-reg_syntax_t
-re_set_syntax (syntax)
- reg_syntax_t syntax;
-{
- reg_syntax_t ret = re_syntax_options;
-
- re_syntax_options = syntax;
- return ret;
-}
-
-/* This table gives an error message for each of the error codes listed
- in regex.h. Obviously the order here has to be same as there. */
-
-static const char *re_error_msg[] =
- { NULL, /* REG_NOERROR */
- "No match", /* REG_NOMATCH */
- "Invalid regular expression", /* REG_BADPAT */
- "Invalid collation character", /* REG_ECOLLATE */
- "Invalid character class name", /* REG_ECTYPE */
- "Trailing backslash", /* REG_EESCAPE */
- "Invalid back reference", /* REG_ESUBREG */
- "Unmatched [ or [^", /* REG_EBRACK */
- "Unmatched ( or \\(", /* REG_EPAREN */
- "Unmatched \\{", /* REG_EBRACE */
- "Invalid content of \\{\\}", /* REG_BADBR */
- "Invalid range end", /* REG_ERANGE */
- "Memory exhausted", /* REG_ESPACE */
- "Invalid preceding regular expression", /* REG_BADRPT */
- "Premature end of regular expression", /* REG_EEND */
- "Regular expression too big", /* REG_ESIZE */
- "Unmatched ) or \\)", /* REG_ERPAREN */
- };
-
-/* Subroutine declarations and macros for regex_compile. */
-
-static void store_op1 (), store_op2 ();
-static void insert_op1 (), insert_op2 ();
-static boolean at_begline_loc_p (), at_endline_loc_p ();
-static boolean group_in_compile_stack ();
-static reg_errcode_t compile_range ();
-
-/* Fetch the next character in the uncompiled pattern---translating it
- if necessary. Also cast from a signed character in the constant
- string passed to us by the user to an unsigned char that we can use
- as an array index (in, e.g., `translate'). */
-#define PATFETCH(c) \
- do {if (p == pend) return REG_EEND; \
- c = (unsigned char) *p++; \
- if (translate) c = translate[c]; \
- } while (0)
-
-/* Fetch the next character in the uncompiled pattern, with no
- translation. */
-#define PATFETCH_RAW(c) \
- do {if (p == pend) return REG_EEND; \
- c = (unsigned char) *p++; \
- } while (0)
-
-/* Go backwards one character in the pattern. */
-#define PATUNFETCH p--
-
-
-/* If `translate' is non-null, return translate[D], else just D. We
- cast the subscript to translate because some data is declared as
- `char *', to avoid warnings when a string constant is passed. But
- when we use a character as a subscript we must make it unsigned. */
-#define TRANSLATE(d) (translate ? translate[(unsigned char) (d)] : (d))
-
-
-/* Macros for outputting the compiled pattern into `buffer'. */
-
-/* If the buffer isn't allocated when it comes in, use this. */
-#define INIT_BUF_SIZE 32
-
-/* Make sure we have at least N more bytes of space in buffer. */
-#define GET_BUFFER_SPACE(n) \
- while (b - bufp->buffer + (n) > bufp->allocated) \
- EXTEND_BUFFER ()
-
-/* Make sure we have one more byte of buffer space and then add C to it. */
-#define BUF_PUSH(c) \
- do { \
- GET_BUFFER_SPACE (1); \
- *b++ = (unsigned char) (c); \
- } while (0)
-
-
-/* Ensure we have two more bytes of buffer space and then append C1 and C2. */
-#define BUF_PUSH_2(c1, c2) \
- do { \
- GET_BUFFER_SPACE (2); \
- *b++ = (unsigned char) (c1); \
- *b++ = (unsigned char) (c2); \
- } while (0)
-
-
-/* As with BUF_PUSH_2, except for three bytes. */
-#define BUF_PUSH_3(c1, c2, c3) \
- do { \
- GET_BUFFER_SPACE (3); \
- *b++ = (unsigned char) (c1); \
- *b++ = (unsigned char) (c2); \
- *b++ = (unsigned char) (c3); \
- } while (0)
-
-
-/* Store a jump with opcode OP at LOC to location TO. We store a
- relative address offset by the three bytes the jump itself occupies. */
-#define STORE_JUMP(op, loc, to) \
- store_op1 (op, loc, (to) - (loc) - 3)
-
-/* Likewise, for a two-argument jump. */
-#define STORE_JUMP2(op, loc, to, arg) \
- store_op2 (op, loc, (to) - (loc) - 3, arg)
-
-/* Like `STORE_JUMP', but for inserting. Assume `b' is the buffer end. */
-#define INSERT_JUMP(op, loc, to) \
- insert_op1 (op, loc, (to) - (loc) - 3, b)
-
-/* Like `STORE_JUMP2', but for inserting. Assume `b' is the buffer end. */
-#define INSERT_JUMP2(op, loc, to, arg) \
- insert_op2 (op, loc, (to) - (loc) - 3, arg, b)
-
-
-/* This is not an arbitrary limit: the arguments which represent offsets
- into the pattern are two bytes long. So if 2^16 bytes turns out to
- be too small, many things would have to change. */
-#define MAX_BUF_SIZE (1L << 16)
-
-
-/* Extend the buffer by twice its current size via realloc and
- reset the pointers that pointed into the old block to point to the
- correct places in the new one. If extending the buffer results in it
- being larger than MAX_BUF_SIZE, then flag memory exhausted. */
-#define EXTEND_BUFFER() \
- do { \
- unsigned char *old_buffer = bufp->buffer; \
- if (bufp->allocated == MAX_BUF_SIZE) \
- return REG_ESIZE; \
- bufp->allocated <<= 1; \
- if (bufp->allocated > MAX_BUF_SIZE) \
- bufp->allocated = MAX_BUF_SIZE; \
- bufp->buffer = (unsigned char *) realloc (bufp->buffer, bufp->allocated);\
- if (bufp->buffer == NULL) \
- return REG_ESPACE; \
- /* If the buffer moved, move all the pointers into it. */ \
- if (old_buffer != bufp->buffer) \
- { \
- b = (b - old_buffer) + bufp->buffer; \
- begalt = (begalt - old_buffer) + bufp->buffer; \
- if (fixup_alt_jump) \
- fixup_alt_jump = (fixup_alt_jump - old_buffer) + bufp->buffer;\
- if (laststart) \
- laststart = (laststart - old_buffer) + bufp->buffer; \
- if (pending_exact) \
- pending_exact = (pending_exact - old_buffer) + bufp->buffer; \
- } \
- } while (0)
-
-
-/* Since we have one byte reserved for the register number argument to
- {start,stop}_memory, the maximum number of groups we can report
- things about is what fits in that byte. */
-#define MAX_REGNUM 255
-
-/* But patterns can have more than `MAX_REGNUM' registers. We just
- ignore the excess. */
-typedef unsigned regnum_t;
-
-
-/* Macros for the compile stack. */
-
-/* Since offsets can go either forwards or backwards, this type needs to
- be able to hold values from -(MAX_BUF_SIZE - 1) to MAX_BUF_SIZE - 1. */
-typedef int pattern_offset_t;
-
-typedef struct
-{
- pattern_offset_t begalt_offset;
- pattern_offset_t fixup_alt_jump;
- pattern_offset_t inner_group_offset;
- pattern_offset_t laststart_offset;
- regnum_t regnum;
-} compile_stack_elt_t;
-
-
-typedef struct
-{
- compile_stack_elt_t *stack;
- unsigned size;
- unsigned avail; /* Offset of next open position. */
-} compile_stack_type;
-
-
-#define INIT_COMPILE_STACK_SIZE 32
-
-#define COMPILE_STACK_EMPTY (compile_stack.avail == 0)
-#define COMPILE_STACK_FULL (compile_stack.avail == compile_stack.size)
-
-/* The next available element. */
-#define COMPILE_STACK_TOP (compile_stack.stack[compile_stack.avail])
-
-
-/* Set the bit for character C in a list. */
-#define SET_LIST_BIT(c) \
- (b[((unsigned char) (c)) / BYTEWIDTH] \
- |= 1 << (((unsigned char) c) % BYTEWIDTH))
-
-
-/* Get the next unsigned number in the uncompiled pattern. */
-#define GET_UNSIGNED_NUMBER(num) \
- { if (p != pend) \
- { \
- PATFETCH (c); \
- while (ISDIGIT (c)) \
- { \
- if (num < 0) \
- num = 0; \
- num = num * 10 + c - '0'; \
- if (p == pend) \
- break; \
- PATFETCH (c); \
- } \
- } \
- }
-
-#define CHAR_CLASS_MAX_LENGTH 6 /* Namely, `xdigit'. */
-
-#define IS_CHAR_CLASS(string) \
- (STREQ (string, "alpha") || STREQ (string, "upper") \
- || STREQ (string, "lower") || STREQ (string, "digit") \
- || STREQ (string, "alnum") || STREQ (string, "xdigit") \
- || STREQ (string, "space") || STREQ (string, "print") \
- || STREQ (string, "punct") || STREQ (string, "graph") \
- || STREQ (string, "cntrl") || STREQ (string, "blank"))
-
-/* `regex_compile' compiles PATTERN (of length SIZE) according to SYNTAX.
- Returns one of error codes defined in `regex.h', or zero for success.
-
- Assumes the `allocated' (and perhaps `buffer') and `translate'
- fields are set in BUFP on entry.
-
- If it succeeds, results are put in BUFP (if it returns an error, the
- contents of BUFP are undefined):
- `buffer' is the compiled pattern;
- `syntax' is set to SYNTAX;
- `used' is set to the length of the compiled pattern;
- `fastmap_accurate' is zero;
- `re_nsub' is the number of subexpressions in PATTERN;
- `not_bol' and `not_eol' are zero;
-
- The `fastmap' and `newline_anchor' fields are neither
- examined nor set. */
-
-static reg_errcode_t
-regex_compile (pattern, size, syntax, bufp)
- const char *pattern;
- int size;
- reg_syntax_t syntax;
- struct re_pattern_buffer *bufp;
-{
- /* We fetch characters from PATTERN here. Even though PATTERN is
- `char *' (i.e., signed), we declare these variables as unsigned, so
- they can be reliably used as array indices. */
- register unsigned char c, c1;
-
- /* A random tempory spot in PATTERN. */
- const char *p1;
-
- /* Points to the end of the buffer, where we should append. */
- register unsigned char *b;
-
- /* Keeps track of unclosed groups. */
- compile_stack_type compile_stack;
-
- /* Points to the current (ending) position in the pattern. */
- const char *p = pattern;
- const char *pend = pattern + size;
-
- /* How to translate the characters in the pattern. */
- char *translate = bufp->translate;
-
- /* Address of the count-byte of the most recently inserted `exactn'
- command. This makes it possible to tell if a new exact-match
- character can be added to that command or if the character requires
- a new `exactn' command. */
- unsigned char *pending_exact = 0;
-
- /* Address of start of the most recently finished expression.
- This tells, e.g., postfix * where to find the start of its
- operand. Reset at the beginning of groups and alternatives. */
- unsigned char *laststart = 0;
-
- /* Address of beginning of regexp, or inside of last group. */
- unsigned char *begalt;
-
- /* Place in the uncompiled pattern (i.e., the {) to
- which to go back if the interval is invalid. */
- const char *beg_interval;
-
- /* Address of the place where a forward jump should go to the end of
- the containing expression. Each alternative of an `or' -- except the
- last -- ends with a forward jump of this sort. */
- unsigned char *fixup_alt_jump = 0;
-
- /* Counts open-groups as they are encountered. Remembered for the
- matching close-group on the compile stack, so the same register
- number is put in the stop_memory as the start_memory. */
- regnum_t regnum = 0;
-
-#ifdef DEBUG
- DEBUG_PRINT1 ("\nCompiling pattern: ");
- if (debug)
- {
- unsigned debug_count;
-
- for (debug_count = 0; debug_count < size; debug_count++)
- printchar (pattern[debug_count]);
- putchar ('\n');
- }
-#endif /* DEBUG */
-
- /* Initialize the compile stack. */
- compile_stack.stack = TALLOC (INIT_COMPILE_STACK_SIZE, compile_stack_elt_t);
- if (compile_stack.stack == NULL)
- return REG_ESPACE;
-
- compile_stack.size = INIT_COMPILE_STACK_SIZE;
- compile_stack.avail = 0;
-
- /* Initialize the pattern buffer. */
- bufp->syntax = syntax;
- bufp->fastmap_accurate = 0;
- bufp->not_bol = bufp->not_eol = 0;
-
- /* Set `used' to zero, so that if we return an error, the pattern
- printer (for debugging) will think there's no pattern. We reset it
- at the end. */
- bufp->used = 0;
-
- /* Always count groups, whether or not bufp->no_sub is set. */
- bufp->re_nsub = 0;
-
-#if !defined (emacs) && !defined (SYNTAX_TABLE)
- /* Initialize the syntax table. */
- init_syntax_once ();
-#endif
-
- if (bufp->allocated == 0)
- {
- if (bufp->buffer)
- { /* If zero allocated, but buffer is non-null, try to realloc
- enough space. This loses if buffer's address is bogus, but
- that is the user's responsibility. */
- RETALLOC (bufp->buffer, INIT_BUF_SIZE, unsigned char);
- }
- else
- { /* Caller did not allocate a buffer. Do it for them. */
- bufp->buffer = TALLOC (INIT_BUF_SIZE, unsigned char);
- }
- if (!bufp->buffer) return REG_ESPACE;
-
- bufp->allocated = INIT_BUF_SIZE;
- }
-
- begalt = b = bufp->buffer;
-
- /* Loop through the uncompiled pattern until we're at the end. */
- while (p != pend)
- {
- PATFETCH (c);
-
- switch (c)
- {
- case '^':
- {
- if ( /* If at start of pattern, it's an operator. */
- p == pattern + 1
- /* If context independent, it's an operator. */
- || syntax & RE_CONTEXT_INDEP_ANCHORS
- /* Otherwise, depends on what's come before. */
- || at_begline_loc_p (pattern, p, syntax))
- BUF_PUSH (begline);
- else
- goto normal_char;
- }
- break;
-
-
- case '$':
- {
- if ( /* If at end of pattern, it's an operator. */
- p == pend
- /* If context independent, it's an operator. */
- || syntax & RE_CONTEXT_INDEP_ANCHORS
- /* Otherwise, depends on what's next. */
- || at_endline_loc_p (p, pend, syntax))
- BUF_PUSH (endline);
- else
- goto normal_char;
- }
- break;
-
-
- case '+':
- case '?':
- if ((syntax & RE_BK_PLUS_QM)
- || (syntax & RE_LIMITED_OPS))
- goto normal_char;
- handle_plus:
- case '*':
- /* If there is no previous pattern... */
- if (!laststart)
- {
- if (syntax & RE_CONTEXT_INVALID_OPS)
- return REG_BADRPT;
- else if (!(syntax & RE_CONTEXT_INDEP_OPS))
- goto normal_char;
- }
-
- {
- /* Are we optimizing this jump? */
- boolean keep_string_p = false;
-
- /* 1 means zero (many) matches is allowed. */
- char zero_times_ok = 0, many_times_ok = 0;
-
- /* If there is a sequence of repetition chars, collapse it
- down to just one (the right one). We can't combine
- interval operators with these because of, e.g., `a{2}*',
- which should only match an even number of `a's. */
-
- for (;;)
- {
- zero_times_ok |= c != '+';
- many_times_ok |= c != '?';
-
- if (p == pend)
- break;
-
- PATFETCH (c);
-
- if (c == '*'
- || (!(syntax & RE_BK_PLUS_QM) && (c == '+' || c == '?')))
- ;
-
- else if (syntax & RE_BK_PLUS_QM && c == '\\')
- {
- if (p == pend) return REG_EESCAPE;
-
- PATFETCH (c1);
- if (!(c1 == '+' || c1 == '?'))
- {
- PATUNFETCH;
- PATUNFETCH;
- break;
- }
-
- c = c1;
- }
- else
- {
- PATUNFETCH;
- break;
- }
-
- /* If we get here, we found another repeat character. */
- }
-
- /* Star, etc. applied to an empty pattern is equivalent
- to an empty pattern. */
- if (!laststart)
- break;
-
- /* Now we know whether or not zero matches is allowed
- and also whether or not two or more matches is allowed. */
- if (many_times_ok)
- { /* More than one repetition is allowed, so put in at the
- end a backward relative jump from `b' to before the next
- jump we're going to put in below (which jumps from
- laststart to after this jump).
-
- But if we are at the `*' in the exact sequence `.*\n',
- insert an unconditional jump backwards to the .,
- instead of the beginning of the loop. This way we only
- push a failure point once, instead of every time
- through the loop. */
- assert (p - 1 > pattern);
-
- /* Allocate the space for the jump. */
- GET_BUFFER_SPACE (3);
-
- /* We know we are not at the first character of the pattern,
- because laststart was nonzero. And we've already
- incremented `p', by the way, to be the character after
- the `*'. Do we have to do something analogous here
- for null bytes, because of RE_DOT_NOT_NULL? */
- if (TRANSLATE (*(p - 2)) == TRANSLATE ('.')
- && zero_times_ok
- && p < pend && TRANSLATE (*p) == TRANSLATE ('\n')
- && !(syntax & RE_DOT_NEWLINE))
- { /* We have .*\n. */
- STORE_JUMP (jump, b, laststart);
- keep_string_p = true;
- }
- else
- /* Anything else. */
- STORE_JUMP (maybe_pop_jump, b, laststart - 3);
-
- /* We've added more stuff to the buffer. */
- b += 3;
- }
-
- /* On failure, jump from laststart to b + 3, which will be the
- end of the buffer after this jump is inserted. */
- GET_BUFFER_SPACE (3);
- INSERT_JUMP (keep_string_p ? on_failure_keep_string_jump
- : on_failure_jump,
- laststart, b + 3);
- pending_exact = 0;
- b += 3;
-
- if (!zero_times_ok)
- {
- /* At least one repetition is required, so insert a
- `dummy_failure_jump' before the initial
- `on_failure_jump' instruction of the loop. This
- effects a skip over that instruction the first time
- we hit that loop. */
- GET_BUFFER_SPACE (3);
- INSERT_JUMP (dummy_failure_jump, laststart, laststart + 6);
- b += 3;
- }
- }
- break;
-
-
- case '.':
- laststart = b;
- BUF_PUSH (anychar);
- break;
-
-
- case '[':
- {
- boolean had_char_class = false;
-
- if (p == pend) return REG_EBRACK;
-
- /* Ensure that we have enough space to push a charset: the
- opcode, the length count, and the bitset; 34 bytes in all. */
- GET_BUFFER_SPACE (34);
-
- laststart = b;
-
- /* We test `*p == '^' twice, instead of using an if
- statement, so we only need one BUF_PUSH. */
- BUF_PUSH (*p == '^' ? charset_not : charset);
- if (*p == '^')
- p++;
-
- /* Remember the first position in the bracket expression. */
- p1 = p;
-
- /* Push the number of bytes in the bitmap. */
- BUF_PUSH ((1 << BYTEWIDTH) / BYTEWIDTH);
-
- /* Clear the whole map. */
- bzero (b, (1 << BYTEWIDTH) / BYTEWIDTH);
-
- /* charset_not matches newline according to a syntax bit. */
- if ((re_opcode_t) b[-2] == charset_not
- && (syntax & RE_HAT_LISTS_NOT_NEWLINE))
- SET_LIST_BIT ('\n');
-
- /* Read in characters and ranges, setting map bits. */
- for (;;)
- {
- if (p == pend) return REG_EBRACK;
-
- PATFETCH (c);
-
- /* \ might escape characters inside [...] and [^...]. */
- if ((syntax & RE_BACKSLASH_ESCAPE_IN_LISTS) && c == '\\')
- {
- if (p == pend) return REG_EESCAPE;
-
- PATFETCH (c1);
- SET_LIST_BIT (c1);
- continue;
- }
-
- /* Could be the end of the bracket expression. If it's
- not (i.e., when the bracket expression is `[]' so
- far), the ']' character bit gets set way below. */
- if (c == ']' && p != p1 + 1)
- break;
-
- /* Look ahead to see if it's a range when the last thing
- was a character class. */
- if (had_char_class && c == '-' && *p != ']')
- return REG_ERANGE;
-
- /* Look ahead to see if it's a range when the last thing
- was a character: if this is a hyphen not at the
- beginning or the end of a list, then it's the range
- operator. */
- if (c == '-'
- && !(p - 2 >= pattern && p[-2] == '[')
- && !(p - 3 >= pattern && p[-3] == '[' && p[-2] == '^')
- && *p != ']')
- {
- reg_errcode_t ret
- = compile_range (&p, pend, translate, syntax, b);
- if (ret != REG_NOERROR) return ret;
- }
-
- else if (p[0] == '-' && p[1] != ']')
- { /* This handles ranges made up of characters only. */
- reg_errcode_t ret;
-
- /* Move past the `-'. */
- PATFETCH (c1);
-
- ret = compile_range (&p, pend, translate, syntax, b);
- if (ret != REG_NOERROR) return ret;
- }
-
- /* See if we're at the beginning of a possible character
- class. */
-
- else if (syntax & RE_CHAR_CLASSES && c == '[' && *p == ':')
- { /* Leave room for the null. */
- char str[CHAR_CLASS_MAX_LENGTH + 1];
-
- PATFETCH (c);
- c1 = 0;
-
- /* If pattern is `[[:'. */
- if (p == pend) return REG_EBRACK;
-
- for (;;)
- {
- PATFETCH (c);
- if (c == ':' || c == ']' || p == pend
- || c1 == CHAR_CLASS_MAX_LENGTH)
- break;
- str[c1++] = c;
- }
- str[c1] = '\0';
-
- /* If isn't a word bracketed by `[:' and:`]':
- undo the ending character, the letters, and leave
- the leading `:' and `[' (but set bits for them). */
- if (c == ':' && *p == ']')
- {
- int ch;
- boolean is_alnum = STREQ (str, "alnum");
- boolean is_alpha = STREQ (str, "alpha");
- boolean is_blank = STREQ (str, "blank");
- boolean is_cntrl = STREQ (str, "cntrl");
- boolean is_digit = STREQ (str, "digit");
- boolean is_graph = STREQ (str, "graph");
- boolean is_lower = STREQ (str, "lower");
- boolean is_print = STREQ (str, "print");
- boolean is_punct = STREQ (str, "punct");
- boolean is_space = STREQ (str, "space");
- boolean is_upper = STREQ (str, "upper");
- boolean is_xdigit = STREQ (str, "xdigit");
-
- if (!IS_CHAR_CLASS (str)) return REG_ECTYPE;
-
- /* Throw away the ] at the end of the character
- class. */
- PATFETCH (c);
-
- if (p == pend) return REG_EBRACK;
-
- for (ch = 0; ch < 1 << BYTEWIDTH; ch++)
- {
- if ( (is_alnum && ISALNUM (ch))
- || (is_alpha && ISALPHA (ch))
- || (is_blank && ISBLANK (ch))
- || (is_cntrl && ISCNTRL (ch))
- || (is_digit && ISDIGIT (ch))
- || (is_graph && ISGRAPH (ch))
- || (is_lower && ISLOWER (ch))
- || (is_print && ISPRINT (ch))
- || (is_punct && ISPUNCT (ch))
- || (is_space && ISSPACE (ch))
- || (is_upper && ISUPPER (ch))
- || (is_xdigit && ISXDIGIT (ch)))
- SET_LIST_BIT (ch);
- }
- had_char_class = true;
- }
- else
- {
- c1++;
- while (c1--)
- PATUNFETCH;
- SET_LIST_BIT ('[');
- SET_LIST_BIT (':');
- had_char_class = false;
- }
- }
- else
- {
- had_char_class = false;
- SET_LIST_BIT (c);
- }
- }
-
- /* Discard any (non)matching list bytes that are all 0 at the
- end of the map. Decrease the map-length byte too. */
- while ((int) b[-1] > 0 && b[b[-1] - 1] == 0)
- b[-1]--;
- b += b[-1];
- }
- break;
-
-
- case '(':
- if (syntax & RE_NO_BK_PARENS)
- goto handle_open;
- else
- goto normal_char;
-
-
- case ')':
- if (syntax & RE_NO_BK_PARENS)
- goto handle_close;
- else
- goto normal_char;
-
-
- case '\n':
- if (syntax & RE_NEWLINE_ALT)
- goto handle_alt;
- else
- goto normal_char;
-
-
- case '|':
- if (syntax & RE_NO_BK_VBAR)
- goto handle_alt;
- else
- goto normal_char;
-
-
- case '{':
- if (syntax & RE_INTERVALS && syntax & RE_NO_BK_BRACES)
- goto handle_interval;
- else
- goto normal_char;
-
-
- case '\\':
- if (p == pend) return REG_EESCAPE;
-
- /* Do not translate the character after the \, so that we can
- distinguish, e.g., \B from \b, even if we normally would
- translate, e.g., B to b. */
- PATFETCH_RAW (c);
-
- switch (c)
- {
- case '(':
- if (syntax & RE_NO_BK_PARENS)
- goto normal_backslash;
-
- handle_open:
- bufp->re_nsub++;
- regnum++;
-
- if (COMPILE_STACK_FULL)
- {
- RETALLOC (compile_stack.stack, compile_stack.size << 1,
- compile_stack_elt_t);
- if (compile_stack.stack == NULL) return REG_ESPACE;
-
- compile_stack.size <<= 1;
- }
-
- /* These are the values to restore when we hit end of this
- group. They are all relative offsets, so that if the
- whole pattern moves because of realloc, they will still
- be valid. */
- COMPILE_STACK_TOP.begalt_offset = begalt - bufp->buffer;
- COMPILE_STACK_TOP.fixup_alt_jump
- = fixup_alt_jump ? fixup_alt_jump - bufp->buffer + 1 : 0;
- COMPILE_STACK_TOP.laststart_offset = b - bufp->buffer;
- COMPILE_STACK_TOP.regnum = regnum;
-
- /* We will eventually replace the 0 with the number of
- groups inner to this one. But do not push a
- start_memory for groups beyond the last one we can
- represent in the compiled pattern. */
- if (regnum <= MAX_REGNUM)
- {
- COMPILE_STACK_TOP.inner_group_offset = b - bufp->buffer + 2;
- BUF_PUSH_3 (start_memory, regnum, 0);
- }
-
- compile_stack.avail++;
-
- fixup_alt_jump = 0;
- laststart = 0;
- begalt = b;
- /* If we've reached MAX_REGNUM groups, then this open
- won't actually generate any code, so we'll have to
- clear pending_exact explicitly. */
- pending_exact = 0;
- break;
-
-
- case ')':
- if (syntax & RE_NO_BK_PARENS) goto normal_backslash;
-
- if (COMPILE_STACK_EMPTY){
- if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD){
- goto normal_backslash;
- }else{
- return REG_ERPAREN;
- }
- }
-
- handle_close:
- if (fixup_alt_jump)
- { /* Push a dummy failure point at the end of the
- alternative for a possible future
- `pop_failure_jump' to pop. See comments at
- `push_dummy_failure' in `re_match_2'. */
- BUF_PUSH (push_dummy_failure);
-
- /* We allocated space for this jump when we assigned
- to `fixup_alt_jump', in the `handle_alt' case below. */
- STORE_JUMP (jump_past_alt, fixup_alt_jump, b - 1);
- }
-
- /* See similar code for backslashed left paren above. */
- if (COMPILE_STACK_EMPTY){
- if (syntax & RE_UNMATCHED_RIGHT_PAREN_ORD){
- goto normal_char;
- }else{
- return REG_ERPAREN;
- }
- }
-
- /* Since we just checked for an empty stack above, this
- ``can't happen''. */
- assert (compile_stack.avail != 0);
- {
- /* We don't just want to restore into `regnum', because
- later groups should continue to be numbered higher,
- as in `(ab)c(de)' -- the second group is #2. */
- regnum_t this_group_regnum;
-
- compile_stack.avail--;
- begalt = bufp->buffer + COMPILE_STACK_TOP.begalt_offset;
- fixup_alt_jump
- = COMPILE_STACK_TOP.fixup_alt_jump
- ? bufp->buffer + COMPILE_STACK_TOP.fixup_alt_jump - 1
- : 0;
- laststart = bufp->buffer + COMPILE_STACK_TOP.laststart_offset;
- this_group_regnum = COMPILE_STACK_TOP.regnum;
- /* If we've reached MAX_REGNUM groups, then this open
- won't actually generate any code, so we'll have to
- clear pending_exact explicitly. */
- pending_exact = 0;
-
- /* We're at the end of the group, so now we know how many
- groups were inside this one. */
- if (this_group_regnum <= MAX_REGNUM)
- {
- unsigned char *inner_group_loc
- = bufp->buffer + COMPILE_STACK_TOP.inner_group_offset;
-
- *inner_group_loc = regnum - this_group_regnum;
- BUF_PUSH_3 (stop_memory, this_group_regnum,
- regnum - this_group_regnum);
- }
- }
- break;
-
-
- case '|': /* `\|'. */
- if (syntax & RE_LIMITED_OPS || syntax & RE_NO_BK_VBAR)
- goto normal_backslash;
- handle_alt:
- if (syntax & RE_LIMITED_OPS)
- goto normal_char;
-
- /* Insert before the previous alternative a jump which
- jumps to this alternative if the former fails. */
- GET_BUFFER_SPACE (3);
- INSERT_JUMP (on_failure_jump, begalt, b + 6);
- pending_exact = 0;
- b += 3;
-
- /* The alternative before this one has a jump after it
- which gets executed if it gets matched. Adjust that
- jump so it will jump to this alternative's analogous
- jump (put in below, which in turn will jump to the next
- (if any) alternative's such jump, etc.). The last such
- jump jumps to the correct final destination. A picture:
- _____ _____
- | | | |
- | v | v
- a | b | c
-
- If we are at `b', then fixup_alt_jump right now points to a
- three-byte space after `a'. We'll put in the jump, set
- fixup_alt_jump to right after `b', and leave behind three
- bytes which we'll fill in when we get to after `c'. */
-
- if (fixup_alt_jump)
- STORE_JUMP (jump_past_alt, fixup_alt_jump, b);
-
- /* Mark and leave space for a jump after this alternative,
- to be filled in later either by next alternative or
- when know we're at the end of a series of alternatives. */
- fixup_alt_jump = b;
- GET_BUFFER_SPACE (3);
- b += 3;
-
- laststart = 0;
- begalt = b;
- break;
-
-
- case '{':
- /* If \{ is a literal. */
- if (!(syntax & RE_INTERVALS)
- /* If we're at `\{' and it's not the open-interval
- operator. */
- || ((syntax & RE_INTERVALS) && (syntax & RE_NO_BK_BRACES))
- || (p - 2 == pattern && p == pend))
- goto normal_backslash;
-
- handle_interval:
- {
- /* If got here, then the syntax allows intervals. */
-
- /* At least (most) this many matches must be made. */
- int lower_bound = -1, upper_bound = -1;
-
- beg_interval = p - 1;
-
- if (p == pend)
- {
- if (syntax & RE_NO_BK_BRACES)
- goto unfetch_interval;
- else
- return REG_EBRACE;
- }
-
- GET_UNSIGNED_NUMBER (lower_bound);
-
- if (c == ',')
- {
- GET_UNSIGNED_NUMBER (upper_bound);
- if (upper_bound < 0) upper_bound = RE_DUP_MAX;
- }
- else
- /* Interval such as `{1}' => match exactly once. */
- upper_bound = lower_bound;
-
- if (lower_bound < 0 || upper_bound > RE_DUP_MAX
- || lower_bound > upper_bound)
- {
- if (syntax & RE_NO_BK_BRACES)
- goto unfetch_interval;
- else
- return REG_BADBR;
- }
-
- if (!(syntax & RE_NO_BK_BRACES))
- {
- if (c != '\\') return REG_EBRACE;
-
- PATFETCH (c);
- }
-
- if (c != '}')
- {
- if (syntax & RE_NO_BK_BRACES)
- goto unfetch_interval;
- else
- return REG_BADBR;
- }
-
- /* We just parsed a valid interval. */
-
- /* If it's invalid to have no preceding re. */
- if (!laststart)
- {
- if (syntax & RE_CONTEXT_INVALID_OPS)
- return REG_BADRPT;
- else if (syntax & RE_CONTEXT_INDEP_OPS)
- laststart = b;
- else
- goto unfetch_interval;
- }
-
- /* If the upper bound is zero, don't want to succeed at
- all; jump from `laststart' to `b + 3', which will be
- the end of the buffer after we insert the jump. */
- if (upper_bound == 0)
- {
- GET_BUFFER_SPACE (3);
- INSERT_JUMP (jump, laststart, b + 3);
- b += 3;
- }
-
- /* Otherwise, we have a nontrivial interval. When
- we're all done, the pattern will look like:
- set_number_at <jump count> <upper bound>
- set_number_at <succeed_n count> <lower bound>
- succeed_n <after jump addr> <succed_n count>
- <body of loop>
- jump_n <succeed_n addr> <jump count>
- (The upper bound and `jump_n' are omitted if
- `upper_bound' is 1, though.) */
- else
- { /* If the upper bound is > 1, we need to insert
- more at the end of the loop. */
- unsigned nbytes = 10 + (upper_bound > 1) * 10;
-
- GET_BUFFER_SPACE (nbytes);
-
- /* Initialize lower bound of the `succeed_n', even
- though it will be set during matching by its
- attendant `set_number_at' (inserted next),
- because `re_compile_fastmap' needs to know.
- Jump to the `jump_n' we might insert below. */
- INSERT_JUMP2 (succeed_n, laststart,
- b + 5 + (upper_bound > 1) * 5,
- lower_bound);
- b += 5;
-
- /* Code to initialize the lower bound. Insert
- before the `succeed_n'. The `5' is the last two
- bytes of this `set_number_at', plus 3 bytes of
- the following `succeed_n'. */
- insert_op2 (set_number_at, laststart, 5, lower_bound, b);
- b += 5;
-
- if (upper_bound > 1)
- { /* More than one repetition is allowed, so
- append a backward jump to the `succeed_n'
- that starts this interval.
-
- When we've reached this during matching,
- we'll have matched the interval once, so
- jump back only `upper_bound - 1' times. */
- STORE_JUMP2 (jump_n, b, laststart + 5,
- upper_bound - 1);
- b += 5;
-
- /* The location we want to set is the second
- parameter of the `jump_n'; that is `b-2' as
- an absolute address. `laststart' will be
- the `set_number_at' we're about to insert;
- `laststart+3' the number to set, the source
- for the relative address. But we are
- inserting into the middle of the pattern --
- so everything is getting moved up by 5.
- Conclusion: (b - 2) - (laststart + 3) + 5,
- i.e., b - laststart.
-
- We insert this at the beginning of the loop
- so that if we fail during matching, we'll
- reinitialize the bounds. */
- insert_op2 (set_number_at, laststart, b - laststart,
- upper_bound - 1, b);
- b += 5;
- }
- }
- pending_exact = 0;
- beg_interval = NULL;
- }
- break;
-
- unfetch_interval:
- /* If an invalid interval, match the characters as literals. */
- assert (beg_interval);
- p = beg_interval;
- beg_interval = NULL;
-
- /* normal_char and normal_backslash need `c'. */
- PATFETCH (c);
-
- if (!(syntax & RE_NO_BK_BRACES))
- {
- if (p > pattern && p[-1] == '\\')
- goto normal_backslash;
- }
- goto normal_char;
-
-#ifdef emacs
- /* There is no way to specify the before_dot and after_dot
- operators. rms says this is ok. --karl */
- case '=':
- BUF_PUSH (at_dot);
- break;
-
- case 's':
- laststart = b;
- PATFETCH (c);
- BUF_PUSH_2 (syntaxspec, syntax_spec_code[c]);
- break;
-
- case 'S':
- laststart = b;
- PATFETCH (c);
- BUF_PUSH_2 (notsyntaxspec, syntax_spec_code[c]);
- break;
-#endif /* emacs */
-
-
- case 'w':
- laststart = b;
- BUF_PUSH (wordchar);
- break;
-
-
- case 'W':
- laststart = b;
- BUF_PUSH (notwordchar);
- break;
-
-
- case '<':
- BUF_PUSH (wordbeg);
- break;
-
- case '>':
- BUF_PUSH (wordend);
- break;
-
- case 'b':
- BUF_PUSH (wordbound);
- break;
-
- case 'B':
- BUF_PUSH (notwordbound);
- break;
-
- case '`':
- BUF_PUSH (begbuf);
- break;
-
- case '\'':
- BUF_PUSH (endbuf);
- break;
-
- case '1': case '2': case '3': case '4': case '5':
- case '6': case '7': case '8': case '9':
- if (syntax & RE_NO_BK_REFS)
- goto normal_char;
-
- c1 = c - '0';
-
- if (c1 > regnum)
- return REG_ESUBREG;
-
- /* Can't back reference to a subexpression if inside of it. */
- if (group_in_compile_stack (compile_stack, c1))
- goto normal_char;
-
- laststart = b;
- BUF_PUSH_2 (duplicate, c1);
- break;
-
-
- case '+':
- case '?':
- if (syntax & RE_BK_PLUS_QM)
- goto handle_plus;
- else
- goto normal_backslash;
-
- default:
- normal_backslash:
- /* You might think it would be useful for \ to mean
- not to translate; but if we don't translate it
- it will never match anything. */
- c = TRANSLATE (c);
- goto normal_char;
- }
- break;
-
-
- default:
- /* Expects the character in `c'. */
- normal_char:
- /* If no exactn currently being built. */
- if (!pending_exact
-
- /* If last exactn not at current position. */
- || pending_exact + *pending_exact + 1 != b
-
- /* We have only one byte following the exactn for the count. */
- || *pending_exact == (1 << BYTEWIDTH) - 1
-
- /* If followed by a repetition operator. */
- || *p == '*' || *p == '^'
- || ((syntax & RE_BK_PLUS_QM)
- ? *p == '\\' && (p[1] == '+' || p[1] == '?')
- : (*p == '+' || *p == '?'))
- || ((syntax & RE_INTERVALS)
- && ((syntax & RE_NO_BK_BRACES)
- ? *p == '{'
- : (p[0] == '\\' && p[1] == '{'))))
- {
- /* Start building a new exactn. */
-
- laststart = b;
-
- BUF_PUSH_2 (exactn, 0);
- pending_exact = b - 1;
- }
-
- BUF_PUSH (c);
- (*pending_exact)++;
- break;
- } /* switch (c) */
- } /* while p != pend */
-
-
- /* Through the pattern now. */
-
- if (fixup_alt_jump)
- STORE_JUMP (jump_past_alt, fixup_alt_jump, b);
-
- if (!COMPILE_STACK_EMPTY)
- return REG_EPAREN;
-
- free (compile_stack.stack);
-
- /* We have succeeded; set the length of the buffer. */
- bufp->used = b - bufp->buffer;
-
-#ifdef DEBUG
- if (debug)
- {
- DEBUG_PRINT1 ("\nCompiled pattern: ");
- print_compiled_pattern (bufp);
- }
-#endif /* DEBUG */
-
- return REG_NOERROR;
-} /* regex_compile */
-
-/* Subroutines for `regex_compile'. */
-
-/* Store OP at LOC followed by two-byte integer parameter ARG. */
-
-static void
-store_op1 (op, loc, arg)
- re_opcode_t op;
- unsigned char *loc;
- int arg;
-{
- *loc = (unsigned char) op;
- STORE_NUMBER (loc + 1, arg);
-}
-
-
-/* Like `store_op1', but for two two-byte parameters ARG1 and ARG2. */
-
-static void
-store_op2 (op, loc, arg1, arg2)
- re_opcode_t op;
- unsigned char *loc;
- int arg1, arg2;
-{
- *loc = (unsigned char) op;
- STORE_NUMBER (loc + 1, arg1);
- STORE_NUMBER (loc + 3, arg2);
-}
-
-
-/* Copy the bytes from LOC to END to open up three bytes of space at LOC
- for OP followed by two-byte integer parameter ARG. */
-
-static void
-insert_op1 (op, loc, arg, end)
- re_opcode_t op;
- unsigned char *loc;
- int arg;
- unsigned char *end;
-{
- register unsigned char *pfrom = end;
- register unsigned char *pto = end + 3;
-
- while (pfrom != loc)
- *--pto = *--pfrom;
-
- store_op1 (op, loc, arg);
-}
-
-
-/* Like `insert_op1', but for two two-byte parameters ARG1 and ARG2. */
-
-static void
-insert_op2 (op, loc, arg1, arg2, end)
- re_opcode_t op;
- unsigned char *loc;
- int arg1, arg2;
- unsigned char *end;
-{
- register unsigned char *pfrom = end;
- register unsigned char *pto = end + 5;
-
- while (pfrom != loc)
- *--pto = *--pfrom;
-
- store_op2 (op, loc, arg1, arg2);
-}
-
-
-/* P points to just after a ^ in PATTERN. Return true if that ^ comes
- after an alternative or a begin-subexpression. We assume there is at
- least one character before the ^. */
-
-static boolean
-at_begline_loc_p (pattern, p, syntax)
- const char *pattern, *p;
- reg_syntax_t syntax;
-{
- const char *prev = p - 2;
- boolean prev_prev_backslash = prev > pattern && prev[-1] == '\\';
-
- return
- /* After a subexpression? */
- (*prev == '(' && (syntax & RE_NO_BK_PARENS || prev_prev_backslash))
- /* After an alternative? */
- || (*prev == '|' && (syntax & RE_NO_BK_VBAR || prev_prev_backslash));
-}
-
-
-/* The dual of at_begline_loc_p. This one is for $. We assume there is
- at least one character after the $, i.e., `P < PEND'. */
-
-static boolean
-at_endline_loc_p (p, pend, syntax)
- const char *p, *pend;
- int syntax;
-{
- const char *next = p;
- boolean next_backslash = *next == '\\';
- const char *next_next = p + 1 < pend ? p + 1 : NULL;
-
- return
- /* Before a subexpression? */
- (syntax & RE_NO_BK_PARENS ? *next == ')'
- : next_backslash && next_next && *next_next == ')')
- /* Before an alternative? */
- || (syntax & RE_NO_BK_VBAR ? *next == '|'
- : next_backslash && next_next && *next_next == '|');
-}
-
-
-/* Returns true if REGNUM is in one of COMPILE_STACK's elements and
- false if it's not. */
-
-static boolean
-group_in_compile_stack (compile_stack, regnum)
- compile_stack_type compile_stack;
- regnum_t regnum;
-{
- int this_element;
-
- for (this_element = compile_stack.avail - 1;
- this_element >= 0;
- this_element--)
- if (compile_stack.stack[this_element].regnum == regnum)
- return true;
-
- return false;
-}
-
-
-/* Read the ending character of a range (in a bracket expression) from the
- uncompiled pattern *P_PTR (which ends at PEND). We assume the
- starting character is in `P[-2]'. (`P[-1]' is the character `-'.)
- Then we set the translation of all bits between the starting and
- ending characters (inclusive) in the compiled pattern B.
-
- Return an error code.
-
- We use these short variable names so we can use the same macros as
- `regex_compile' itself. */
-
-static reg_errcode_t
-compile_range (p_ptr, pend, translate, syntax, b)
- const char **p_ptr, *pend;
- char *translate;
- reg_syntax_t syntax;
- unsigned char *b;
-{
- unsigned this_char;
-
- const char *p = *p_ptr;
- int range_start, range_end;
-
- if (p == pend)
- return REG_ERANGE;
-
- /* Even though the pattern is a signed `char *', we need to fetch
- with unsigned char *'s; if the high bit of the pattern character
- is set, the range endpoints will be negative if we fetch using a
- signed char *.
-
- We also want to fetch the endpoints without translating them; the
- appropriate translation is done in the bit-setting loop below. */
- range_start = ((unsigned char *) p)[-2];
- range_end = ((unsigned char *) p)[0];
-
- /* Have to increment the pointer into the pattern string, so the
- caller isn't still at the ending character. */
- (*p_ptr)++;
-
- /* If the start is after the end, the range is empty. */
- if (range_start > range_end)
- return syntax & RE_NO_EMPTY_RANGES ? REG_ERANGE : REG_NOERROR;
-
- /* Here we see why `this_char' has to be larger than an `unsigned
- char' -- the range is inclusive, so if `range_end' == 0xff
- (assuming 8-bit characters), we would otherwise go into an infinite
- loop, since all characters <= 0xff. */
- for (this_char = range_start; this_char <= range_end; this_char++)
- {
- SET_LIST_BIT (TRANSLATE (this_char));
- }
-
- return REG_NOERROR;
-}
-
-/* Failure stack declarations and macros; both re_compile_fastmap and
- re_match_2 use a failure stack. These have to be macros because of
- REGEX_ALLOCATE. */
-
-
-/* Number of failure points for which to initially allocate space
- when matching. If this number is exceeded, we allocate more
- space, so it is not a hard limit. */
-#ifndef INIT_FAILURE_ALLOC
-#define INIT_FAILURE_ALLOC 5
-#endif
-
-/* Roughly the maximum number of failure points on the stack. Would be
- exactly that if always used MAX_FAILURE_SPACE each time we failed.
- This is a variable only so users of regex can assign to it; we never
- change it ourselves. */
-int re_max_failures = 2000;
-
-typedef const unsigned char *fail_stack_elt_t;
-
-typedef struct
-{
- fail_stack_elt_t *stack;
- unsigned size;
- unsigned avail; /* Offset of next open position. */
-} fail_stack_type;
-
-#define FAIL_STACK_EMPTY() (fail_stack.avail == 0)
-#define FAIL_STACK_PTR_EMPTY() (fail_stack_ptr->avail == 0)
-#define FAIL_STACK_FULL() (fail_stack.avail == fail_stack.size)
-#define FAIL_STACK_TOP() (fail_stack.stack[fail_stack.avail])
-
-
-/* Initialize `fail_stack'. Do `return -2' if the alloc fails. */
-
-#define INIT_FAIL_STACK() \
- do { \
- fail_stack.stack = (fail_stack_elt_t *) \
- REGEX_ALLOCATE (INIT_FAILURE_ALLOC * sizeof (fail_stack_elt_t)); \
- \
- if (fail_stack.stack == NULL) \
- return -2; \
- \
- fail_stack.size = INIT_FAILURE_ALLOC; \
- fail_stack.avail = 0; \
- } while (0)
-
-
-/* Double the size of FAIL_STACK, up to approximately `re_max_failures' items.
-
- Return 1 if succeeds, and 0 if either ran out of memory
- allocating space for it or it was already too large.
-
- REGEX_REALLOCATE requires `destination' be declared. */
-
-#define DOUBLE_FAIL_STACK(fail_stack) \
- ((fail_stack).size > re_max_failures * MAX_FAILURE_ITEMS \
- ? 0 \
- : ((fail_stack).stack = (fail_stack_elt_t *) \
- REGEX_REALLOCATE ((fail_stack).stack, \
- (fail_stack).size * sizeof (fail_stack_elt_t), \
- ((fail_stack).size << 1) * sizeof (fail_stack_elt_t)), \
- \
- (fail_stack).stack == NULL \
- ? 0 \
- : ((fail_stack).size <<= 1, \
- 1)))
-
-
-/* Push PATTERN_OP on FAIL_STACK.
-
- Return 1 if was able to do so and 0 if ran out of memory allocating
- space to do so. */
-#define PUSH_PATTERN_OP(pattern_op, fail_stack) \
- ((FAIL_STACK_FULL () \
- && !DOUBLE_FAIL_STACK (fail_stack)) \
- ? 0 \
- : ((fail_stack).stack[(fail_stack).avail++] = pattern_op, \
- 1))
-
-/* This pushes an item onto the failure stack. Must be a four-byte
- value. Assumes the variable `fail_stack'. Probably should only
- be called from within `PUSH_FAILURE_POINT'. */
-#define PUSH_FAILURE_ITEM(item) \
- fail_stack.stack[fail_stack.avail++] = (fail_stack_elt_t) item
-
-/* The complement operation. Assumes `fail_stack' is nonempty. */
-#define POP_FAILURE_ITEM() fail_stack.stack[--fail_stack.avail]
-
-/* Used to omit pushing failure point id's when we're not debugging. */
-#ifdef DEBUG
-#define DEBUG_PUSH PUSH_FAILURE_ITEM
-#define DEBUG_POP(item_addr) *(item_addr) = POP_FAILURE_ITEM ()
-#else
-#define DEBUG_PUSH(item)
-#define DEBUG_POP(item_addr)
-#endif
-
-
-/* Push the information about the state we will need
- if we ever fail back to it.
-
- Requires variables fail_stack, regstart, regend, reg_info, and
- num_regs be declared. DOUBLE_FAIL_STACK requires `destination' be
- declared.
-
- Does `return FAILURE_CODE' if runs out of memory. */
-
-#define PUSH_FAILURE_POINT(pattern_place, string_place, failure_code) \
- do { \
- char *destination; \
- /* Must be int, so when we don't save any registers, the arithmetic \
- of 0 + -1 isn't done as unsigned. */ \
- int this_reg; \
- \
- DEBUG_STATEMENT (failure_id++); \
- DEBUG_STATEMENT (nfailure_points_pushed++); \
- DEBUG_PRINT2 ("\nPUSH_FAILURE_POINT #%u:\n", failure_id); \
- DEBUG_PRINT2 (" Before push, next avail: %d\n", (fail_stack).avail);\
- DEBUG_PRINT2 (" size: %d\n", (fail_stack).size);\
- \
- DEBUG_PRINT2 (" slots needed: %d\n", NUM_FAILURE_ITEMS); \
- DEBUG_PRINT2 (" available: %d\n", REMAINING_AVAIL_SLOTS); \
- \
- /* Ensure we have enough space allocated for what we will push. */ \
- while (REMAINING_AVAIL_SLOTS < NUM_FAILURE_ITEMS) \
- { \
- if (!DOUBLE_FAIL_STACK (fail_stack)) \
- return failure_code; \
- \
- DEBUG_PRINT2 ("\n Doubled stack; size now: %d\n", \
- (fail_stack).size); \
- DEBUG_PRINT2 (" slots available: %d\n", REMAINING_AVAIL_SLOTS);\
- } \
- \
- /* Push the info, starting with the registers. */ \
- DEBUG_PRINT1 ("\n"); \
- \
- for (this_reg = lowest_active_reg; this_reg <= highest_active_reg; \
- this_reg++) \
- { \
- DEBUG_PRINT2 (" Pushing reg: %d\n", this_reg); \
- DEBUG_STATEMENT (num_regs_pushed++); \
- \
- DEBUG_PRINT2 (" start: 0x%x\n", regstart[this_reg]); \
- PUSH_FAILURE_ITEM (regstart[this_reg]); \
- \
- DEBUG_PRINT2 (" end: 0x%x\n", regend[this_reg]); \
- PUSH_FAILURE_ITEM (regend[this_reg]); \
- \
- DEBUG_PRINT2 (" info: 0x%x\n ", reg_info[this_reg]); \
- DEBUG_PRINT2 (" match_null=%d", \
- REG_MATCH_NULL_STRING_P (reg_info[this_reg])); \
- DEBUG_PRINT2 (" active=%d", IS_ACTIVE (reg_info[this_reg])); \
- DEBUG_PRINT2 (" matched_something=%d", \
- MATCHED_SOMETHING (reg_info[this_reg])); \
- DEBUG_PRINT2 (" ever_matched=%d", \
- EVER_MATCHED_SOMETHING (reg_info[this_reg])); \
- DEBUG_PRINT1 ("\n"); \
- PUSH_FAILURE_ITEM (reg_info[this_reg].word); \
- } \
- \
- DEBUG_PRINT2 (" Pushing low active reg: %d\n", lowest_active_reg);\
- PUSH_FAILURE_ITEM (lowest_active_reg); \
- \
- DEBUG_PRINT2 (" Pushing high active reg: %d\n", highest_active_reg);\
- PUSH_FAILURE_ITEM (highest_active_reg); \
- \
- DEBUG_PRINT2 (" Pushing pattern 0x%x: ", pattern_place); \
- DEBUG_PRINT_COMPILED_PATTERN (bufp, pattern_place, pend); \
- PUSH_FAILURE_ITEM (pattern_place); \
- \
- DEBUG_PRINT2 (" Pushing string 0x%x: `", string_place); \
- DEBUG_PRINT_DOUBLE_STRING (string_place, string1, size1, string2, \
- size2); \
- DEBUG_PRINT1 ("'\n"); \
- PUSH_FAILURE_ITEM (string_place); \
- \
- DEBUG_PRINT2 (" Pushing failure id: %u\n", failure_id); \
- DEBUG_PUSH (failure_id); \
- } while (0)
-
-/* This is the number of items that are pushed and popped on the stack
- for each register. */
-#define NUM_REG_ITEMS 3
-
-/* Individual items aside from the registers. */
-#ifdef DEBUG
-#define NUM_NONREG_ITEMS 5 /* Includes failure point id. */
-#else
-#define NUM_NONREG_ITEMS 4
-#endif
-
-/* We push at most this many items on the stack. */
-#define MAX_FAILURE_ITEMS ((num_regs - 1) * NUM_REG_ITEMS + NUM_NONREG_ITEMS)
-
-/* We actually push this many items. */
-#define NUM_FAILURE_ITEMS \
- ((highest_active_reg - lowest_active_reg + 1) * NUM_REG_ITEMS \
- + NUM_NONREG_ITEMS)
-
-/* How many items can still be added to the stack without overflowing it. */
-#define REMAINING_AVAIL_SLOTS ((fail_stack).size - (fail_stack).avail)
-
-
-/* Pops what PUSH_FAIL_STACK pushes.
-
- We restore into the parameters, all of which should be lvalues:
- STR -- the saved data position.
- PAT -- the saved pattern position.
- LOW_REG, HIGH_REG -- the highest and lowest active registers.
- REGSTART, REGEND -- arrays of string positions.
- REG_INFO -- array of information about each subexpression.
-
- Also assumes the variables `fail_stack' and (if debugging), `bufp',
- `pend', `string1', `size1', `string2', and `size2'. */
-
-#define POP_FAILURE_POINT(str, pat, low_reg, high_reg, regstart, regend, reg_info)\
-{ \
- DEBUG_STATEMENT (fail_stack_elt_t failure_id;) \
- int this_reg; \
- const unsigned char *string_temp; \
- \
- assert (!FAIL_STACK_EMPTY ()); \
- \
- /* Remove failure points and point to how many regs pushed. */ \
- DEBUG_PRINT1 ("POP_FAILURE_POINT:\n"); \
- DEBUG_PRINT2 (" Before pop, next avail: %d\n", fail_stack.avail); \
- DEBUG_PRINT2 (" size: %d\n", fail_stack.size); \
- \
- assert (fail_stack.avail >= NUM_NONREG_ITEMS); \
- \
- DEBUG_POP (&failure_id); \
- DEBUG_PRINT2 (" Popping failure id: %u\n", failure_id); \
- \
- /* If the saved string location is NULL, it came from an \
- on_failure_keep_string_jump opcode, and we want to throw away the \
- saved NULL, thus retaining our current position in the string. */ \
- string_temp = POP_FAILURE_ITEM (); \
- if (string_temp != NULL) \
- str = (const char *) string_temp; \
- \
- DEBUG_PRINT2 (" Popping string 0x%x: `", str); \
- DEBUG_PRINT_DOUBLE_STRING (str, string1, size1, string2, size2); \
- DEBUG_PRINT1 ("'\n"); \
- \
- pat = (unsigned char *) POP_FAILURE_ITEM (); \
- DEBUG_PRINT2 (" Popping pattern 0x%x: ", pat); \
- DEBUG_PRINT_COMPILED_PATTERN (bufp, pat, pend); \
- \
- /* Restore register info. */ \
- high_reg = (unsigned) POP_FAILURE_ITEM (); \
- DEBUG_PRINT2 (" Popping high active reg: %d\n", high_reg); \
- \
- low_reg = (unsigned) POP_FAILURE_ITEM (); \
- DEBUG_PRINT2 (" Popping low active reg: %d\n", low_reg); \
- \
- for (this_reg = high_reg; this_reg >= low_reg; this_reg--) \
- { \
- DEBUG_PRINT2 (" Popping reg: %d\n", this_reg); \
- \
- reg_info[this_reg].word = POP_FAILURE_ITEM (); \
- DEBUG_PRINT2 (" info: 0x%x\n", reg_info[this_reg]); \
- \
- regend[this_reg] = (const char *) POP_FAILURE_ITEM (); \
- DEBUG_PRINT2 (" end: 0x%x\n", regend[this_reg]); \
- \
- regstart[this_reg] = (const char *) POP_FAILURE_ITEM (); \
- DEBUG_PRINT2 (" start: 0x%x\n", regstart[this_reg]); \
- } \
- \
- DEBUG_STATEMENT (nfailure_points_popped++); \
-} /* POP_FAILURE_POINT */
-
-/* re_compile_fastmap computes a ``fastmap'' for the compiled pattern in
- BUFP. A fastmap records which of the (1 << BYTEWIDTH) possible
- characters can start a string that matches the pattern. This fastmap
- is used by re_search to skip quickly over impossible starting points.
-
- The caller must supply the address of a (1 << BYTEWIDTH)-byte data
- area as BUFP->fastmap.
-
- We set the `fastmap', `fastmap_accurate', and `can_be_null' fields in
- the pattern buffer.
-
- Returns 0 if we succeed, -2 if an internal error. */
-
-int
-re_compile_fastmap (bufp)
- struct re_pattern_buffer *bufp;
-{
- int j, k;
- fail_stack_type fail_stack;
-#ifndef REGEX_MALLOC
- char *destination;
-#endif
- /* We don't push any register information onto the failure stack. */
- unsigned num_regs = 0;
-
- register char *fastmap = bufp->fastmap;
- unsigned char *pattern = bufp->buffer;
- unsigned long size = bufp->used;
- const unsigned char *p = pattern;
- register unsigned char *pend = pattern + size;
-
- /* Assume that each path through the pattern can be null until
- proven otherwise. We set this false at the bottom of switch
- statement, to which we get only if a particular path doesn't
- match the empty string. */
- boolean path_can_be_null = true;
-
- /* We aren't doing a `succeed_n' to begin with. */
- boolean succeed_n_p = false;
-
- assert (fastmap != NULL && p != NULL);
-
- INIT_FAIL_STACK ();
- bzero (fastmap, 1 << BYTEWIDTH); /* Assume nothing's valid. */
- bufp->fastmap_accurate = 1; /* It will be when we're done. */
- bufp->can_be_null = 0;
-
- while (p != pend || !FAIL_STACK_EMPTY ())
- {
- if (p == pend)
- {
- bufp->can_be_null |= path_can_be_null;
-
- /* Reset for next path. */
- path_can_be_null = true;
-
- p = fail_stack.stack[--fail_stack.avail];
- }
-
- /* We should never be about to go beyond the end of the pattern. */
- assert (p < pend);
-
-#ifdef SWITCH_ENUM_BUG
- switch ((int) ((re_opcode_t) *p++))
-#else
- switch ((re_opcode_t) *p++)
-#endif
- {
-
- /* I guess the idea here is to simply not bother with a fastmap
- if a backreference is used, since it's too hard to figure out
- the fastmap for the corresponding group. Setting
- `can_be_null' stops `re_search_2' from using the fastmap, so
- that is all we do. */
- case duplicate:
- bufp->can_be_null = 1;
- return 0;
-
-
- /* Following are the cases which match a character. These end
- with `break'. */
-
- case exactn:
- fastmap[p[1]] = 1;
- break;
-
-
- case charset:
- for (j = *p++ * BYTEWIDTH - 1; j >= 0; j--)
- if (p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH)))
- fastmap[j] = 1;
- break;
-
-
- case charset_not:
- /* Chars beyond end of map must be allowed. */
- for (j = *p * BYTEWIDTH; j < (1 << BYTEWIDTH); j++)
- fastmap[j] = 1;
-
- for (j = *p++ * BYTEWIDTH - 1; j >= 0; j--)
- if (!(p[j / BYTEWIDTH] & (1 << (j % BYTEWIDTH))))
- fastmap[j] = 1;
- break;
-
-
- case wordchar:
- for (j = 0; j < (1 << BYTEWIDTH); j++)
- if (SYNTAX (j) == Sword)
- fastmap[j] = 1;
- break;
-
-
- case notwordchar:
- for (j = 0; j < (1 << BYTEWIDTH); j++)
- if (SYNTAX (j) != Sword)
- fastmap[j] = 1;
- break;
-
-
- case anychar:
- /* `.' matches anything ... */
- for (j = 0; j < (1 << BYTEWIDTH); j++)
- fastmap[j] = 1;
-
- /* ... except perhaps newline. */
- if (!(bufp->syntax & RE_DOT_NEWLINE))
- fastmap['\n'] = 0;
-
- /* Return if we have already set `can_be_null'; if we have,
- then the fastmap is irrelevant. Something's wrong here. */
- else if (bufp->can_be_null)
- return 0;
-
- /* Otherwise, have to check alternative paths. */
- break;
-
-
-#ifdef emacs
- case syntaxspec:
- k = *p++;
- for (j = 0; j < (1 << BYTEWIDTH); j++)
- if (SYNTAX (j) == (enum syntaxcode) k)
- fastmap[j] = 1;
- break;
-
-
- case notsyntaxspec:
- k = *p++;
- for (j = 0; j < (1 << BYTEWIDTH); j++)
- if (SYNTAX (j) != (enum syntaxcode) k)
- fastmap[j] = 1;
- break;
-
-
- /* All cases after this match the empty string. These end with
- `continue'. */
-
-
- case before_dot:
- case at_dot:
- case after_dot:
- continue;
-#endif /* not emacs */
-
-
- case no_op:
- case begline:
- case endline:
- case begbuf:
- case endbuf:
- case wordbound:
- case notwordbound:
- case wordbeg:
- case wordend:
- case push_dummy_failure:
- continue;
-
-
- case jump_n:
- case pop_failure_jump:
- case maybe_pop_jump:
- case jump:
- case jump_past_alt:
- case dummy_failure_jump:
- EXTRACT_NUMBER_AND_INCR (j, p);
- p += j;
- if (j > 0)
- continue;
-
- /* Jump backward implies we just went through the body of a
- loop and matched nothing. Opcode jumped to should be
- `on_failure_jump' or `succeed_n'. Just treat it like an
- ordinary jump. For a * loop, it has pushed its failure
- point already; if so, discard that as redundant. */
- if ((re_opcode_t) *p != on_failure_jump
- && (re_opcode_t) *p != succeed_n)
- continue;
-
- p++;
- EXTRACT_NUMBER_AND_INCR (j, p);
- p += j;
-
- /* If what's on the stack is where we are now, pop it. */
- if (!FAIL_STACK_EMPTY ()
- && fail_stack.stack[fail_stack.avail - 1] == p)
- fail_stack.avail--;
-
- continue;
-
-
- case on_failure_jump:
- case on_failure_keep_string_jump:
- handle_on_failure_jump:
- EXTRACT_NUMBER_AND_INCR (j, p);
-
- /* For some patterns, e.g., `(a?)?', `p+j' here points to the
- end of the pattern. We don't want to push such a point,
- since when we restore it above, entering the switch will
- increment `p' past the end of the pattern. We don't need
- to push such a point since we obviously won't find any more
- fastmap entries beyond `pend'. Such a pattern can match
- the null string, though. */
- if (p + j < pend)
- {
- if (!PUSH_PATTERN_OP (p + j, fail_stack))
- return -2;
- }
- else
- bufp->can_be_null = 1;
-
- if (succeed_n_p)
- {
- EXTRACT_NUMBER_AND_INCR (k, p); /* Skip the n. */
- succeed_n_p = false;
- }
-
- continue;
-
-
- case succeed_n:
- /* Get to the number of times to succeed. */
- p += 2;
-
- /* Increment p past the n for when k != 0. */
- EXTRACT_NUMBER_AND_INCR (k, p);
- if (k == 0)
- {
- p -= 4;
- succeed_n_p = true; /* Spaghetti code alert. */
- goto handle_on_failure_jump;
- }
- continue;
-
-
- case set_number_at:
- p += 4;
- continue;
-
-
- case start_memory:
- case stop_memory:
- p += 2;
- continue;
-
-
- default:
- abort (); /* We have listed all the cases. */
- } /* switch *p++ */
-
- /* Getting here means we have found the possible starting
- characters for one path of the pattern -- and that the empty
- string does not match. We need not follow this path further.
- Instead, look at the next alternative (remembered on the
- stack), or quit if no more. The test at the top of the loop
- does these things. */
- path_can_be_null = false;
- p = pend;
- } /* while p */
-
- /* Set `can_be_null' for the last path (also the first path, if the
- pattern is empty). */
- bufp->can_be_null |= path_can_be_null;
- return 0;
-} /* re_compile_fastmap */
-
-/* Set REGS to hold NUM_REGS registers, storing them in STARTS and
- ENDS. Subsequent matches using PATTERN_BUFFER and REGS will use
- this memory for recording register information. STARTS and ENDS
- must be allocated using the malloc library routine, and must each
- be at least NUM_REGS * sizeof (regoff_t) bytes long.
-
- If NUM_REGS == 0, then subsequent matches should allocate their own
- register data.
-
- Unless this function is called, the first search or match using
- PATTERN_BUFFER will allocate its own register data, without
- freeing the old data. */
-
-void
-re_set_registers (bufp, regs, num_regs, starts, ends)
- struct re_pattern_buffer *bufp;
- struct re_registers *regs;
- unsigned num_regs;
- regoff_t *starts, *ends;
-{
- if (num_regs)
- {
- bufp->regs_allocated = REGS_REALLOCATE;
- regs->num_regs = num_regs;
- regs->start = starts;
- regs->end = ends;
- }
- else
- {
- bufp->regs_allocated = REGS_UNALLOCATED;
- regs->num_regs = 0;
- regs->start = regs->end = (regoff_t) 0;
- }
-}
-
-/* Searching routines. */
-
-/* Like re_search_2, below, but only one string is specified, and
- doesn't let you say where to stop matching. */
-
-int
-re_search (bufp, string, size, startpos, range, regs)
- struct re_pattern_buffer *bufp;
- const char *string;
- int size, startpos, range;
- struct re_registers *regs;
-{
- return re_search_2 (bufp, NULL, 0, string, size, startpos, range,
- regs, size);
-}
-
-
-/* Using the compiled pattern in BUFP->buffer, first tries to match the
- virtual concatenation of STRING1 and STRING2, starting first at index
- STARTPOS, then at STARTPOS + 1, and so on.
-
- STRING1 and STRING2 have length SIZE1 and SIZE2, respectively.
-
- RANGE is how far to scan while trying to match. RANGE = 0 means try
- only at STARTPOS; in general, the last start tried is STARTPOS +
- RANGE.
-
- In REGS, return the indices of the virtual concatenation of STRING1
- and STRING2 that matched the entire BUFP->buffer and its contained
- subexpressions.
-
- Do not consider matching one past the index STOP in the virtual
- concatenation of STRING1 and STRING2.
-
- We return either the position in the strings at which the match was
- found, -1 if no match, or -2 if error (such as failure
- stack overflow). */
-
-int
-re_search_2 (bufp, string1, size1, string2, size2, startpos, range, regs, stop)
- struct re_pattern_buffer *bufp;
- const char *string1, *string2;
- int size1, size2;
- int startpos;
- int range;
- struct re_registers *regs;
- int stop;
-{
- int val;
- register char *fastmap = bufp->fastmap;
- register char *translate = bufp->translate;
- int total_size = size1 + size2;
- int endpos = startpos + range;
-
- /* Check for out-of-range STARTPOS. */
- if (startpos < 0 || startpos > total_size)
- return -1;
-
- /* Fix up RANGE if it might eventually take us outside
- the virtual concatenation of STRING1 and STRING2. */
- if (endpos < -1)
- range = -1 - startpos;
- else if (endpos > total_size)
- range = total_size - startpos;
-
- /* If the search isn't to be a backwards one, don't waste time in a
- search for a pattern that must be anchored. */
- if (bufp->used > 0 && (re_opcode_t) bufp->buffer[0] == begbuf && range > 0)
- {
- if (startpos > 0)
- return -1;
- else
- range = 1;
- }
-
- /* Update the fastmap now if not correct already. */
- if (fastmap && !bufp->fastmap_accurate)
- if (re_compile_fastmap (bufp) == -2)
- return -2;
-
- /* Loop through the string, looking for a place to start matching. */
- for (;;)
- {
- /* If a fastmap is supplied, skip quickly over characters that
- cannot be the start of a match. If the pattern can match the
- null string, however, we don't need to skip characters; we want
- the first null string. */
- if (fastmap && startpos < total_size && !bufp->can_be_null)
- {
- if (range > 0) /* Searching forwards. */
- {
- register const char *d;
- register int lim = 0;
- int irange = range;
-
- if (startpos < size1 && startpos + range >= size1)
- lim = range - (size1 - startpos);
-
- d = (startpos >= size1 ? string2 - size1 : string1) + startpos;
-
- /* Written out as an if-else to avoid testing `translate'
- inside the loop. */
- if (translate)
- while (range > lim
- && !fastmap[(unsigned char)
- translate[(unsigned char) *d++]])
- range--;
- else
- while (range > lim && !fastmap[(unsigned char) *d++])
- range--;
-
- startpos += irange - range;
- }
- else /* Searching backwards. */
- {
- register char c = (size1 == 0 || startpos >= size1
- ? string2[startpos - size1]
- : string1[startpos]);
-
- if (!fastmap[(unsigned char) TRANSLATE (c)])
- goto advance;
- }
- }
-
- /* If can't match the null string, and that's all we have left, fail. */
- if (range >= 0 && startpos == total_size && fastmap
- && !bufp->can_be_null)
- return -1;
-
- val = re_match_2 (bufp, string1, size1, string2, size2,
- startpos, regs, stop);
- if (val >= 0)
- return startpos;
-
- if (val == -2)
- return -2;
-
- advance:
- if (!range)
- break;
- else if (range > 0)
- {
- range--;
- startpos++;
- }
- else
- {
- range++;
- startpos--;
- }
- }
- return -1;
-} /* re_search_2 */
-
-/* Declarations and macros for re_match_2. */
-
-static int bcmp_translate ();
-static boolean alt_match_null_string_p (),
- common_op_match_null_string_p (),
- group_match_null_string_p ();
-
-/* Structure for per-register (a.k.a. per-group) information.
- This must not be longer than one word, because we push this value
- onto the failure stack. Other register information, such as the
- starting and ending positions (which are addresses), and the list of
- inner groups (which is a bits list) are maintained in separate
- variables.
-
- We are making a (strictly speaking) nonportable assumption here: that
- the compiler will pack our bit fields into something that fits into
- the type of `word', i.e., is something that fits into one item on the
- failure stack. */
-typedef union
-{
- fail_stack_elt_t word;
- struct
- {
- /* This field is one if this group can match the empty string,
- zero if not. If not yet determined, `MATCH_NULL_UNSET_VALUE'. */
-#define MATCH_NULL_UNSET_VALUE 3
- unsigned match_null_string_p : 2;
- unsigned is_active : 1;
- unsigned matched_something : 1;
- unsigned ever_matched_something : 1;
- } bits;
-} register_info_type;
-
-#define REG_MATCH_NULL_STRING_P(R) ((R).bits.match_null_string_p)
-#define IS_ACTIVE(R) ((R).bits.is_active)
-#define MATCHED_SOMETHING(R) ((R).bits.matched_something)
-#define EVER_MATCHED_SOMETHING(R) ((R).bits.ever_matched_something)
-
-
-/* Call this when have matched a real character; it sets `matched' flags
- for the subexpressions which we are currently inside. Also records
- that those subexprs have matched. */
-#define SET_REGS_MATCHED() \
- do \
- { \
- unsigned r; \
- for (r = lowest_active_reg; r <= highest_active_reg; r++) \
- { \
- MATCHED_SOMETHING (reg_info[r]) \
- = EVER_MATCHED_SOMETHING (reg_info[r]) \
- = 1; \
- } \
- } \
- while (0)
-
-
-/* This converts PTR, a pointer into one of the search strings `string1'
- and `string2' into an offset from the beginning of that string. */
-#define POINTER_TO_OFFSET(ptr) \
- (FIRST_STRING_P (ptr) ? (ptr) - string1 : (ptr) - string2 + size1)
-
-/* Registers are set to a sentinel when they haven't yet matched. */
-#define REG_UNSET_VALUE ((char *) -1)
-#define REG_UNSET(e) ((e) == REG_UNSET_VALUE)
-
-
-/* Macros for dealing with the split strings in re_match_2. */
-
-#define MATCHING_IN_FIRST_STRING (dend == end_match_1)
-
-/* Call before fetching a character with *d. This switches over to
- string2 if necessary. */
-#define PREFETCH() \
- while (d == dend) \
- { \
- /* End of string2 => fail. */ \
- if (dend == end_match_2) \
- goto fail; \
- /* End of string1 => advance to string2. */ \
- d = string2; \
- dend = end_match_2; \
- }
-
-
-/* Test if at very beginning or at very end of the virtual concatenation
- of `string1' and `string2'. If only one string, it's `string2'. */
-#define AT_STRINGS_BEG(d) ((d) == (size1 ? string1 : string2) || !size2)
-#define AT_STRINGS_END(d) ((d) == end2)
-
-
-/* Test if D points to a character which is word-constituent. We have
- two special cases to check for: if past the end of string1, look at
- the first character in string2; and if before the beginning of
- string2, look at the last character in string1. */
-#define WORDCHAR_P(d) \
- (SYNTAX ((d) == end1 ? *string2 \
- : (d) == string2 - 1 ? *(end1 - 1) : *(d)) \
- == Sword)
-
-/* Test if the character before D and the one at D differ with respect
- to being word-constituent. */
-#define AT_WORD_BOUNDARY(d) \
- (AT_STRINGS_BEG (d) || AT_STRINGS_END (d) \
- || WORDCHAR_P (d - 1) != WORDCHAR_P (d))
-
-
-/* Free everything we malloc. */
-#ifdef REGEX_MALLOC
-#define FREE_VAR(var) if (var) free (var); var = NULL
-#define FREE_VARIABLES() \
- do { \
- FREE_VAR (fail_stack.stack); \
- FREE_VAR (regstart); \
- FREE_VAR (regend); \
- FREE_VAR (old_regstart); \
- FREE_VAR (old_regend); \
- FREE_VAR (best_regstart); \
- FREE_VAR (best_regend); \
- FREE_VAR (reg_info); \
- FREE_VAR (reg_dummy); \
- FREE_VAR (reg_info_dummy); \
- } while (0)
-#else /* not REGEX_MALLOC */
-/* Some MIPS systems (at least) want this to free alloca'd storage. */
-#define FREE_VARIABLES() alloca (0)
-#endif /* not REGEX_MALLOC */
-
-
-/* These values must meet several constraints. They must not be valid
- register values; since we have a limit of 255 registers (because
- we use only one byte in the pattern for the register number), we can
- use numbers larger than 255. They must differ by 1, because of
- NUM_FAILURE_ITEMS above. And the value for the lowest register must
- be larger than the value for the highest register, so we do not try
- to actually save any registers when none are active. */
-#define NO_HIGHEST_ACTIVE_REG (1 << BYTEWIDTH)
-#define NO_LOWEST_ACTIVE_REG (NO_HIGHEST_ACTIVE_REG + 1)
-
-/* Matching routines. */
-
-#ifndef emacs /* Emacs never uses this. */
-/* re_match is like re_match_2 except it takes only a single string. */
-
-int
-re_match (bufp, string, size, pos, regs)
- struct re_pattern_buffer *bufp;
- const char *string;
- int size, pos;
- struct re_registers *regs;
- {
- return re_match_2 (bufp, NULL, 0, string, size, pos, regs, size);
-}
-#endif /* not emacs */
-
-
-/* re_match_2 matches the compiled pattern in BUFP against the
- the (virtual) concatenation of STRING1 and STRING2 (of length SIZE1
- and SIZE2, respectively). We start matching at POS, and stop
- matching at STOP.
-
- If REGS is non-null and the `no_sub' field of BUFP is nonzero, we
- store offsets for the substring each group matched in REGS. See the
- documentation for exactly how many groups we fill.
-
- We return -1 if no match, -2 if an internal error (such as the
- failure stack overflowing). Otherwise, we return the length of the
- matched substring. */
-
-int
-re_match_2 (bufp, string1, size1, string2, size2, pos, regs, stop)
- struct re_pattern_buffer *bufp;
- const char *string1, *string2;
- int size1, size2;
- int pos;
- struct re_registers *regs;
- int stop;
-{
- /* General temporaries. */
- int mcnt;
- unsigned char *p1;
-
- /* Just past the end of the corresponding string. */
- const char *end1, *end2;
-
- /* Pointers into string1 and string2, just past the last characters in
- each to consider matching. */
- const char *end_match_1, *end_match_2;
-
- /* Where we are in the data, and the end of the current string. */
- const char *d, *dend;
-
- /* Where we are in the pattern, and the end of the pattern. */
- unsigned char *p = bufp->buffer;
- register unsigned char *pend = p + bufp->used;
-
- /* We use this to map every character in the string. */
- char *translate = bufp->translate;
-
- /* Failure point stack. Each place that can handle a failure further
- down the line pushes a failure point on this stack. It consists of
- restart, regend, and reg_info for all registers corresponding to
- the subexpressions we're currently inside, plus the number of such
- registers, and, finally, two char *'s. The first char * is where
- to resume scanning the pattern; the second one is where to resume
- scanning the strings. If the latter is zero, the failure point is
- a ``dummy''; if a failure happens and the failure point is a dummy,
- it gets discarded and the next next one is tried. */
- fail_stack_type fail_stack;
-#ifdef DEBUG
- static unsigned failure_id = 0;
- unsigned nfailure_points_pushed = 0, nfailure_points_popped = 0;
-#endif
-
- /* We fill all the registers internally, independent of what we
- return, for use in backreferences. The number here includes
- an element for register zero. */
- unsigned num_regs = bufp->re_nsub + 1;
-
- /* The currently active registers. */
- unsigned lowest_active_reg = NO_LOWEST_ACTIVE_REG;
- unsigned highest_active_reg = NO_HIGHEST_ACTIVE_REG;
-
- /* Information on the contents of registers. These are pointers into
- the input strings; they record just what was matched (on this
- attempt) by a subexpression part of the pattern, that is, the
- regnum-th regstart pointer points to where in the pattern we began
- matching and the regnum-th regend points to right after where we
- stopped matching the regnum-th subexpression. (The zeroth register
- keeps track of what the whole pattern matches.) */
- const char **regstart=NULL, **regend=NULL;
-
- /* If a group that's operated upon by a repetition operator fails to
- match anything, then the register for its start will need to be
- restored because it will have been set to wherever in the string we
- are when we last see its open-group operator. Similarly for a
- register's end. */
- const char **old_regstart=NULL, **old_regend=NULL;
-
- /* The is_active field of reg_info helps us keep track of which (possibly
- nested) subexpressions we are currently in. The matched_something
- field of reg_info[reg_num] helps us tell whether or not we have
- matched any of the pattern so far this time through the reg_num-th
- subexpression. These two fields get reset each time through any
- loop their register is in. */
- register_info_type *reg_info=NULL;
-
- /* The following record the register info as found in the above
- variables when we find a match better than any we've seen before.
- This happens as we backtrack through the failure points, which in
- turn happens only if we have not yet matched the entire string. */
- unsigned best_regs_set = false;
- const char **best_regstart=NULL, **best_regend=NULL;
-
- /* Logically, this is `best_regend[0]'. But we don't want to have to
- allocate space for that if we're not allocating space for anything
- else (see below). Also, we never need info about register 0 for
- any of the other register vectors, and it seems rather a kludge to
- treat `best_regend' differently than the rest. So we keep track of
- the end of the best match so far in a separate variable. We
- initialize this to NULL so that when we backtrack the first time
- and need to test it, it's not garbage. */
- const char *match_end = NULL;
-
- /* Used when we pop values we don't care about. */
- const char **reg_dummy=NULL;
- register_info_type *reg_info_dummy=NULL;
-
-#ifdef DEBUG
- /* Counts the total number of registers pushed. */
- unsigned num_regs_pushed = 0;
-#endif
-
- DEBUG_PRINT1 ("\n\nEntering re_match_2.\n");
-
- INIT_FAIL_STACK ();
-
- /* Do not bother to initialize all the register variables if there are
- no groups in the pattern, as it takes a fair amount of time. If
- there are groups, we include space for register 0 (the whole
- pattern), even though we never use it, since it simplifies the
- array indexing. We should fix this. */
- if (bufp->re_nsub)
- {
- regstart = REGEX_TALLOC (num_regs, const char *);
- regend = REGEX_TALLOC (num_regs, const char *);
- old_regstart = REGEX_TALLOC (num_regs, const char *);
- old_regend = REGEX_TALLOC (num_regs, const char *);
- best_regstart = REGEX_TALLOC (num_regs, const char *);
- best_regend = REGEX_TALLOC (num_regs, const char *);
- reg_info = REGEX_TALLOC (num_regs, register_info_type);
- reg_dummy = REGEX_TALLOC (num_regs, const char *);
- reg_info_dummy = REGEX_TALLOC (num_regs, register_info_type);
-
- if (!(regstart && regend && old_regstart && old_regend && reg_info
- && best_regstart && best_regend && reg_dummy && reg_info_dummy))
- {
- FREE_VARIABLES ();
- return -2;
- }
- }
-#ifdef REGEX_MALLOC
- else
- {
- /* We must initialize all our variables to NULL, so that
- `FREE_VARIABLES' doesn't try to free them. */
- regstart = regend = old_regstart = old_regend = best_regstart
- = best_regend = reg_dummy = NULL;
- reg_info = reg_info_dummy = (register_info_type *) NULL;
- }
-#endif /* REGEX_MALLOC */
-
- /* The starting position is bogus. */
- if (pos < 0 || pos > size1 + size2)
- {
- FREE_VARIABLES ();
- return -1;
- }
-
- /* Initialize subexpression text positions to -1 to mark ones that no
- start_memory/stop_memory has been seen for. Also initialize the
- register information struct. */
- for (mcnt = 1; mcnt < num_regs; mcnt++)
- {
- regstart[mcnt] = regend[mcnt]
- = old_regstart[mcnt] = old_regend[mcnt] = REG_UNSET_VALUE;
-
- REG_MATCH_NULL_STRING_P (reg_info[mcnt]) = MATCH_NULL_UNSET_VALUE;
- IS_ACTIVE (reg_info[mcnt]) = 0;
- MATCHED_SOMETHING (reg_info[mcnt]) = 0;
- EVER_MATCHED_SOMETHING (reg_info[mcnt]) = 0;
- }
-
- /* We move `string1' into `string2' if the latter's empty -- but not if
- `string1' is null. */
- if (size2 == 0 && string1 != NULL)
- {
- string2 = string1;
- size2 = size1;
- string1 = 0;
- size1 = 0;
- }
- end1 = string1 + size1;
- end2 = string2 + size2;
-
- /* Compute where to stop matching, within the two strings. */
- if (stop <= size1)
- {
- end_match_1 = string1 + stop;
- end_match_2 = string2;
- }
- else
- {
- end_match_1 = end1;
- end_match_2 = string2 + stop - size1;
- }
-
- /* `p' scans through the pattern as `d' scans through the data.
- `dend' is the end of the input string that `d' points within. `d'
- is advanced into the following input string whenever necessary, but
- this happens before fetching; therefore, at the beginning of the
- loop, `d' can be pointing at the end of a string, but it cannot
- equal `string2'. */
- if (size1 > 0 && pos <= size1)
- {
- d = string1 + pos;
- dend = end_match_1;
- }
- else
- {
- d = string2 + pos - size1;
- dend = end_match_2;
- }
-
- DEBUG_PRINT1 ("The compiled pattern is: ");
- DEBUG_PRINT_COMPILED_PATTERN (bufp, p, pend);
- DEBUG_PRINT1 ("The string to match is: `");
- DEBUG_PRINT_DOUBLE_STRING (d, string1, size1, string2, size2);
- DEBUG_PRINT1 ("'\n");
-
- /* This loops over pattern commands. It exits by returning from the
- function if the match is complete, or it drops through if the match
- fails at this starting point in the input data. */
- for (;;)
- {
- DEBUG_PRINT2 ("\n0x%x: ", p);
-
- if (p == pend)
- { /* End of pattern means we might have succeeded. */
- DEBUG_PRINT1 ("end of pattern ... ");
-
- /* If we haven't matched the entire string, and we want the
- longest match, try backtracking. */
- if (d != end_match_2)
- {
- DEBUG_PRINT1 ("backtracking.\n");
-
- if (!FAIL_STACK_EMPTY ())
- { /* More failure points to try. */
- boolean same_str_p = (FIRST_STRING_P (match_end)
- == MATCHING_IN_FIRST_STRING);
-
- /* If exceeds best match so far, save it. */
- if (!best_regs_set
- || (same_str_p && d > match_end)
- || (!same_str_p && !MATCHING_IN_FIRST_STRING))
- {
- best_regs_set = true;
- match_end = d;
-
- DEBUG_PRINT1 ("\nSAVING match as best so far.\n");
-
- for (mcnt = 1; mcnt < num_regs; mcnt++)
- {
- best_regstart[mcnt] = regstart[mcnt];
- best_regend[mcnt] = regend[mcnt];
- }
- }
- goto fail;
- }
-
- /* If no failure points, don't restore garbage. */
- else if (best_regs_set)
- {
- restore_best_regs:
- /* Restore best match. It may happen that `dend ==
- end_match_1' while the restored d is in string2.
- For example, the pattern `x.*y.*z' against the
- strings `x-' and `y-z-', if the two strings are
- not consecutive in memory. */
- DEBUG_PRINT1 ("Restoring best registers.\n");
-
- d = match_end;
- dend = ((d >= string1 && d <= end1)
- ? end_match_1 : end_match_2);
-
- for (mcnt = 1; mcnt < num_regs; mcnt++)
- {
- regstart[mcnt] = best_regstart[mcnt];
- regend[mcnt] = best_regend[mcnt];
- }
- }
- } /* d != end_match_2 */
-
- DEBUG_PRINT1 ("Accepting match.\n");
-
- /* If caller wants register contents data back, do it. */
- if (regs && !bufp->no_sub)
- {
- /* Have the register data arrays been allocated? */
- if (bufp->regs_allocated == REGS_UNALLOCATED)
- { /* No. So allocate them with malloc. We need one
- extra element beyond `num_regs' for the `-1' marker
- GNU code uses. */
- regs->num_regs = MAX (RE_NREGS, num_regs + 1);
- regs->start = TALLOC (regs->num_regs, regoff_t);
- regs->end = TALLOC (regs->num_regs, regoff_t);
- if (regs->start == NULL || regs->end == NULL)
- return -2;
- bufp->regs_allocated = REGS_REALLOCATE;
- }
- else if (bufp->regs_allocated == REGS_REALLOCATE)
- { /* Yes. If we need more elements than were already
- allocated, reallocate them. If we need fewer, just
- leave it alone. */
- if (regs->num_regs < num_regs + 1)
- {
- regs->num_regs = num_regs + 1;
- RETALLOC (regs->start, regs->num_regs, regoff_t);
- RETALLOC (regs->end, regs->num_regs, regoff_t);
- if (regs->start == NULL || regs->end == NULL)
- return -2;
- }
- }
- else
- assert (bufp->regs_allocated == REGS_FIXED);
-
- /* Convert the pointer data in `regstart' and `regend' to
- indices. Register zero has to be set differently,
- since we haven't kept track of any info for it. */
- if (regs->num_regs > 0)
- {
- regs->start[0] = pos;
- regs->end[0] = (MATCHING_IN_FIRST_STRING ? d - string1
- : d - string2 + size1);
- }
-
- /* Go through the first `min (num_regs, regs->num_regs)'
- registers, since that is all we initialized. */
- for (mcnt = 1; mcnt < MIN (num_regs, regs->num_regs); mcnt++)
- {
- if (REG_UNSET (regstart[mcnt]) || REG_UNSET (regend[mcnt]))
- regs->start[mcnt] = regs->end[mcnt] = -1;
- else
- {
- regs->start[mcnt] = POINTER_TO_OFFSET (regstart[mcnt]);
- regs->end[mcnt] = POINTER_TO_OFFSET (regend[mcnt]);
- }
- }
-
- /* If the regs structure we return has more elements than
- were in the pattern, set the extra elements to -1. If
- we (re)allocated the registers, this is the case,
- because we always allocate enough to have at least one
- -1 at the end. */
- for (mcnt = num_regs; mcnt < regs->num_regs; mcnt++)
- regs->start[mcnt] = regs->end[mcnt] = -1;
- } /* regs && !bufp->no_sub */
-
- FREE_VARIABLES ();
- DEBUG_PRINT4 ("%u failure points pushed, %u popped (%u remain).\n",
- nfailure_points_pushed, nfailure_points_popped,
- nfailure_points_pushed - nfailure_points_popped);
- DEBUG_PRINT2 ("%u registers pushed.\n", num_regs_pushed);
-
- mcnt = d - pos - (MATCHING_IN_FIRST_STRING
- ? string1
- : string2 - size1);
-
- DEBUG_PRINT2 ("Returning %d from re_match_2.\n", mcnt);
-
- return mcnt;
- }
-
- /* Otherwise match next pattern command. */
-#ifdef SWITCH_ENUM_BUG
- switch ((int) ((re_opcode_t) *p++))
-#else
- switch ((re_opcode_t) *p++)
-#endif
- {
- /* Ignore these. Used to ignore the n of succeed_n's which
- currently have n == 0. */
- case no_op:
- DEBUG_PRINT1 ("EXECUTING no_op.\n");
- break;
-
-
- /* Match the next n pattern characters exactly. The following
- byte in the pattern defines n, and the n bytes after that
- are the characters to match. */
- case exactn:
- mcnt = *p++;
- DEBUG_PRINT2 ("EXECUTING exactn %d.\n", mcnt);
-
- /* This is written out as an if-else so we don't waste time
- testing `translate' inside the loop. */
- if (translate)
- {
- do
- {
- PREFETCH ();
- if (translate[(unsigned char) *d++] != (char) *p++)
- goto fail;
- }
- while (--mcnt);
- }
- else
- {
- do
- {
- PREFETCH ();
- if (*d++ != (char) *p++) goto fail;
- }
- while (--mcnt);
- }
- SET_REGS_MATCHED ();
- break;
-
-
- /* Match any character except possibly a newline or a null. */
- case anychar:
- DEBUG_PRINT1 ("EXECUTING anychar.\n");
-
- PREFETCH ();
-
- if ((!(bufp->syntax & RE_DOT_NEWLINE) && TRANSLATE (*d) == '\n')
- || (bufp->syntax & RE_DOT_NOT_NULL && TRANSLATE (*d) == '\000'))
- goto fail;
-
- SET_REGS_MATCHED ();
- DEBUG_PRINT2 (" Matched `%d'.\n", *d);
- d++;
- break;
-
-
- case charset:
- case charset_not:
- {
- register unsigned char c;
- boolean not = (re_opcode_t) *(p - 1) == charset_not;
-
- DEBUG_PRINT2 ("EXECUTING charset%s.\n", not ? "_not" : "");
-
- PREFETCH ();
- c = TRANSLATE (*d); /* The character to match. */
-
- /* Cast to `unsigned' instead of `unsigned char' in case the
- bit list is a full 32 bytes long. */
- if (c < (unsigned) (*p * BYTEWIDTH)
- && p[1 + c / BYTEWIDTH] & (1 << (c % BYTEWIDTH)))
- not = !not;
-
- p += 1 + *p;
-
- if (!not) goto fail;
-
- SET_REGS_MATCHED ();
- d++;
- break;
- }
-
-
- /* The beginning of a group is represented by start_memory.
- The arguments are the register number in the next byte, and the
- number of groups inner to this one in the next. The text
- matched within the group is recorded (in the internal
- registers data structure) under the register number. */
- case start_memory:
- DEBUG_PRINT3 ("EXECUTING start_memory %d (%d):\n", *p, p[1]);
-
- /* Find out if this group can match the empty string. */
- p1 = p; /* To send to group_match_null_string_p. */
-
- if (REG_MATCH_NULL_STRING_P (reg_info[*p]) == MATCH_NULL_UNSET_VALUE)
- REG_MATCH_NULL_STRING_P (reg_info[*p])
- = group_match_null_string_p (&p1, pend, reg_info);
-
- /* Save the position in the string where we were the last time
- we were at this open-group operator in case the group is
- operated upon by a repetition operator, e.g., with `(a*)*b'
- against `ab'; then we want to ignore where we are now in
- the string in case this attempt to match fails. */
- old_regstart[*p] = REG_MATCH_NULL_STRING_P (reg_info[*p])
- ? REG_UNSET (regstart[*p]) ? d : regstart[*p]
- : regstart[*p];
- DEBUG_PRINT2 (" old_regstart: %d\n",
- POINTER_TO_OFFSET (old_regstart[*p]));
-
- regstart[*p] = d;
- DEBUG_PRINT2 (" regstart: %d\n", POINTER_TO_OFFSET (regstart[*p]));
-
- IS_ACTIVE (reg_info[*p]) = 1;
- MATCHED_SOMETHING (reg_info[*p]) = 0;
-
- /* This is the new highest active register. */
- highest_active_reg = *p;
-
- /* If nothing was active before, this is the new lowest active
- register. */
- if (lowest_active_reg == NO_LOWEST_ACTIVE_REG)
- lowest_active_reg = *p;
-
- /* Move past the register number and inner group count. */
- p += 2;
- break;
-
-
- /* The stop_memory opcode represents the end of a group. Its
- arguments are the same as start_memory's: the register
- number, and the number of inner groups. */
- case stop_memory:
- DEBUG_PRINT3 ("EXECUTING stop_memory %d (%d):\n", *p, p[1]);
-
- /* We need to save the string position the last time we were at
- this close-group operator in case the group is operated
- upon by a repetition operator, e.g., with `((a*)*(b*)*)*'
- against `aba'; then we want to ignore where we are now in
- the string in case this attempt to match fails. */
- old_regend[*p] = REG_MATCH_NULL_STRING_P (reg_info[*p])
- ? REG_UNSET (regend[*p]) ? d : regend[*p]
- : regend[*p];
- DEBUG_PRINT2 (" old_regend: %d\n",
- POINTER_TO_OFFSET (old_regend[*p]));
-
- regend[*p] = d;
- DEBUG_PRINT2 (" regend: %d\n", POINTER_TO_OFFSET (regend[*p]));
-
- /* This register isn't active anymore. */
- IS_ACTIVE (reg_info[*p]) = 0;
-
- /* If this was the only register active, nothing is active
- anymore. */
- if (lowest_active_reg == highest_active_reg)
- {
- lowest_active_reg = NO_LOWEST_ACTIVE_REG;
- highest_active_reg = NO_HIGHEST_ACTIVE_REG;
- }
- else
- { /* We must scan for the new highest active register, since
- it isn't necessarily one less than now: consider
- (a(b)c(d(e)f)g). When group 3 ends, after the f), the
- new highest active register is 1. */
- unsigned char r = *p - 1;
- while (r > 0 && !IS_ACTIVE (reg_info[r]))
- r--;
-
- /* If we end up at register zero, that means that we saved
- the registers as the result of an `on_failure_jump', not
- a `start_memory', and we jumped to past the innermost
- `stop_memory'. For example, in ((.)*) we save
- registers 1 and 2 as a result of the *, but when we pop
- back to the second ), we are at the stop_memory 1.
- Thus, nothing is active. */
- if (r == 0)
- {
- lowest_active_reg = NO_LOWEST_ACTIVE_REG;
- highest_active_reg = NO_HIGHEST_ACTIVE_REG;
- }
- else
- highest_active_reg = r;
- }
-
- /* If just failed to match something this time around with a
- group that's operated on by a repetition operator, try to
- force exit from the ``loop'', and restore the register
- information for this group that we had before trying this
- last match. */
- if ((!MATCHED_SOMETHING (reg_info[*p])
- || (re_opcode_t) p[-3] == start_memory)
- && (p + 2) < pend)
- {
- boolean is_a_jump_n = false;
-
- p1 = p + 2;
- mcnt = 0;
- switch ((re_opcode_t) *p1++)
- {
- case jump_n:
- is_a_jump_n = true;
- case pop_failure_jump:
- case maybe_pop_jump:
- case jump:
- case dummy_failure_jump:
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- if (is_a_jump_n)
- p1 += 2;
- break;
-
- default:
- /* do nothing */ ;
- }
- p1 += mcnt;
-
- /* If the next operation is a jump backwards in the pattern
- to an on_failure_jump right before the start_memory
- corresponding to this stop_memory, exit from the loop
- by forcing a failure after pushing on the stack the
- on_failure_jump's jump in the pattern, and d. */
- if (mcnt < 0 && (re_opcode_t) *p1 == on_failure_jump
- && (re_opcode_t) p1[3] == start_memory && p1[4] == *p)
- {
- /* If this group ever matched anything, then restore
- what its registers were before trying this last
- failed match, e.g., with `(a*)*b' against `ab' for
- regstart[1], and, e.g., with `((a*)*(b*)*)*'
- against `aba' for regend[3].
-
- Also restore the registers for inner groups for,
- e.g., `((a*)(b*))*' against `aba' (register 3 would
- otherwise get trashed). */
-
- if (EVER_MATCHED_SOMETHING (reg_info[*p]))
- {
- unsigned r;
-
- EVER_MATCHED_SOMETHING (reg_info[*p]) = 0;
-
- /* Restore this and inner groups' (if any) registers. */
- for (r = *p; r < *p + *(p + 1); r++)
- {
- regstart[r] = old_regstart[r];
-
- /* xx why this test? */
- if ((int) old_regend[r] >= (int) regstart[r])
- regend[r] = old_regend[r];
- }
- }
- p1++;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- PUSH_FAILURE_POINT (p1 + mcnt, d, -2);
-
- goto fail;
- }
- }
-
- /* Move past the register number and the inner group count. */
- p += 2;
- break;
-
-
- /* \<digit> has been turned into a `duplicate' command which is
- followed by the numeric value of <digit> as the register number. */
- case duplicate:
- {
- register const char *d2, *dend2;
- int regno = *p++; /* Get which register to match against. */
- DEBUG_PRINT2 ("EXECUTING duplicate %d.\n", regno);
-
- /* Can't back reference a group which we've never matched. */
- if (REG_UNSET (regstart[regno]) || REG_UNSET (regend[regno]))
- goto fail;
-
- /* Where in input to try to start matching. */
- d2 = regstart[regno];
-
- /* Where to stop matching; if both the place to start and
- the place to stop matching are in the same string, then
- set to the place to stop, otherwise, for now have to use
- the end of the first string. */
-
- dend2 = ((FIRST_STRING_P (regstart[regno])
- == FIRST_STRING_P (regend[regno]))
- ? regend[regno] : end_match_1);
- for (;;)
- {
- /* If necessary, advance to next segment in register
- contents. */
- while (d2 == dend2)
- {
- if (dend2 == end_match_2) break;
- if (dend2 == regend[regno]) break;
-
- /* End of string1 => advance to string2. */
- d2 = string2;
- dend2 = regend[regno];
- }
- /* At end of register contents => success */
- if (d2 == dend2) break;
-
- /* If necessary, advance to next segment in data. */
- PREFETCH ();
-
- /* How many characters left in this segment to match. */
- mcnt = dend - d;
-
- /* Want how many consecutive characters we can match in
- one shot, so, if necessary, adjust the count. */
- if (mcnt > dend2 - d2)
- mcnt = dend2 - d2;
-
- /* Compare that many; failure if mismatch, else move
- past them. */
- if (translate
- ? bcmp_translate (d, d2, mcnt, translate)
- : bcmp (d, d2, mcnt))
- goto fail;
- d += mcnt, d2 += mcnt;
- }
- }
- break;
-
-
- /* begline matches the empty string at the beginning of the string
- (unless `not_bol' is set in `bufp'), and, if
- `newline_anchor' is set, after newlines. */
- case begline:
- DEBUG_PRINT1 ("EXECUTING begline.\n");
-
- if (AT_STRINGS_BEG (d))
- {
- if (!bufp->not_bol) break;
- }
- else if (d[-1] == '\n' && bufp->newline_anchor)
- {
- break;
- }
- /* In all other cases, we fail. */
- goto fail;
-
-
- /* endline is the dual of begline. */
- case endline:
- DEBUG_PRINT1 ("EXECUTING endline.\n");
-
- if (AT_STRINGS_END (d))
- {
- if (!bufp->not_eol) break;
- }
-
- /* We have to ``prefetch'' the next character. */
- else if ((d == end1 ? *string2 : *d) == '\n'
- && bufp->newline_anchor)
- {
- break;
- }
- goto fail;
-
-
- /* Match at the very beginning of the data. */
- case begbuf:
- DEBUG_PRINT1 ("EXECUTING begbuf.\n");
- if (AT_STRINGS_BEG (d))
- break;
- goto fail;
-
-
- /* Match at the very end of the data. */
- case endbuf:
- DEBUG_PRINT1 ("EXECUTING endbuf.\n");
- if (AT_STRINGS_END (d))
- break;
- goto fail;
-
-
- /* on_failure_keep_string_jump is used to optimize `.*\n'. It
- pushes NULL as the value for the string on the stack. Then
- `pop_failure_point' will keep the current value for the
- string, instead of restoring it. To see why, consider
- matching `foo\nbar' against `.*\n'. The .* matches the foo;
- then the . fails against the \n. But the next thing we want
- to do is match the \n against the \n; if we restored the
- string value, we would be back at the foo.
-
- Because this is used only in specific cases, we don't need to
- check all the things that `on_failure_jump' does, to make
- sure the right things get saved on the stack. Hence we don't
- share its code. The only reason to push anything on the
- stack at all is that otherwise we would have to change
- `anychar's code to do something besides goto fail in this
- case; that seems worse than this. */
- case on_failure_keep_string_jump:
- DEBUG_PRINT1 ("EXECUTING on_failure_keep_string_jump");
-
- EXTRACT_NUMBER_AND_INCR (mcnt, p);
- DEBUG_PRINT3 (" %d (to 0x%x):\n", mcnt, p + mcnt);
-
- PUSH_FAILURE_POINT (p + mcnt, NULL, -2);
- break;
-
-
- /* Uses of on_failure_jump:
-
- Each alternative starts with an on_failure_jump that points
- to the beginning of the next alternative. Each alternative
- except the last ends with a jump that in effect jumps past
- the rest of the alternatives. (They really jump to the
- ending jump of the following alternative, because tensioning
- these jumps is a hassle.)
-
- Repeats start with an on_failure_jump that points past both
- the repetition text and either the following jump or
- pop_failure_jump back to this on_failure_jump. */
- case on_failure_jump:
- on_failure:
- DEBUG_PRINT1 ("EXECUTING on_failure_jump");
-
- EXTRACT_NUMBER_AND_INCR (mcnt, p);
- DEBUG_PRINT3 (" %d (to 0x%x)", mcnt, p + mcnt);
-
- /* If this on_failure_jump comes right before a group (i.e.,
- the original * applied to a group), save the information
- for that group and all inner ones, so that if we fail back
- to this point, the group's information will be correct.
- For example, in \(a*\)*\1, we need the preceding group,
- and in \(\(a*\)b*\)\2, we need the inner group. */
-
- /* We can't use `p' to check ahead because we push
- a failure point to `p + mcnt' after we do this. */
- p1 = p;
-
- /* We need to skip no_op's before we look for the
- start_memory in case this on_failure_jump is happening as
- the result of a completed succeed_n, as in \(a\)\{1,3\}b\1
- against aba. */
- while (p1 < pend && (re_opcode_t) *p1 == no_op)
- p1++;
-
- if (p1 < pend && (re_opcode_t) *p1 == start_memory)
- {
- /* We have a new highest active register now. This will
- get reset at the start_memory we are about to get to,
- but we will have saved all the registers relevant to
- this repetition op, as described above. */
- highest_active_reg = *(p1 + 1) + *(p1 + 2);
- if (lowest_active_reg == NO_LOWEST_ACTIVE_REG)
- lowest_active_reg = *(p1 + 1);
- }
-
- DEBUG_PRINT1 (":\n");
- PUSH_FAILURE_POINT (p + mcnt, d, -2);
- break;
-
-
- /* A smart repeat ends with `maybe_pop_jump'.
- We change it to either `pop_failure_jump' or `jump'. */
- case maybe_pop_jump:
- EXTRACT_NUMBER_AND_INCR (mcnt, p);
- DEBUG_PRINT2 ("EXECUTING maybe_pop_jump %d.\n", mcnt);
- {
- register unsigned char *p2 = p;
-
- /* Compare the beginning of the repeat with what in the
- pattern follows its end. If we can establish that there
- is nothing that they would both match, i.e., that we
- would have to backtrack because of (as in, e.g., `a*a')
- then we can change to pop_failure_jump, because we'll
- never have to backtrack.
-
- This is not true in the case of alternatives: in
- `(a|ab)*' we do need to backtrack to the `ab' alternative
- (e.g., if the string was `ab'). But instead of trying to
- detect that here, the alternative has put on a dummy
- failure point which is what we will end up popping. */
-
- /* Skip over open/close-group commands. */
- while (p2 + 2 < pend
- && ((re_opcode_t) *p2 == stop_memory
- || (re_opcode_t) *p2 == start_memory))
- p2 += 3; /* Skip over args, too. */
-
- /* If we're at the end of the pattern, we can change. */
- if (p2 == pend)
- {
- /* Consider what happens when matching ":\(.*\)"
- against ":/". I don't really understand this code
- yet. */
- p[-3] = (unsigned char) pop_failure_jump;
- DEBUG_PRINT1
- (" End of pattern: change to `pop_failure_jump'.\n");
- }
-
- else if ((re_opcode_t) *p2 == exactn
- || (bufp->newline_anchor && (re_opcode_t) *p2 == endline))
- {
- register unsigned char c
- = *p2 == (unsigned char) endline ? '\n' : p2[2];
- p1 = p + mcnt;
-
- /* p1[0] ... p1[2] are the `on_failure_jump' corresponding
- to the `maybe_finalize_jump' of this case. Examine what
- follows. */
- if ((re_opcode_t) p1[3] == exactn && p1[5] != c)
- {
- p[-3] = (unsigned char) pop_failure_jump;
- DEBUG_PRINT3 (" %c != %c => pop_failure_jump.\n",
- c, p1[5]);
- }
-
- else if ((re_opcode_t) p1[3] == charset
- || (re_opcode_t) p1[3] == charset_not)
- {
- int not = (re_opcode_t) p1[3] == charset_not;
-
- if (c < (unsigned char) (p1[4] * BYTEWIDTH)
- && p1[5 + c / BYTEWIDTH] & (1 << (c % BYTEWIDTH)))
- not = !not;
-
- /* `not' is equal to 1 if c would match, which means
- that we can't change to pop_failure_jump. */
- if (!not)
- {
- p[-3] = (unsigned char) pop_failure_jump;
- DEBUG_PRINT1 (" No match => pop_failure_jump.\n");
- }
- }
- }
- }
- p -= 2; /* Point at relative address again. */
- if ((re_opcode_t) p[-1] != pop_failure_jump)
- {
- p[-1] = (unsigned char) jump;
- DEBUG_PRINT1 (" Match => jump.\n");
- goto unconditional_jump;
- }
- /* Note fall through. */
-
-
- /* The end of a simple repeat has a pop_failure_jump back to
- its matching on_failure_jump, where the latter will push a
- failure point. The pop_failure_jump takes off failure
- points put on by this pop_failure_jump's matching
- on_failure_jump; we got through the pattern to here from the
- matching on_failure_jump, so didn't fail. */
- case pop_failure_jump:
- {
- /* We need to pass separate storage for the lowest and
- highest registers, even though we don't care about the
- actual values. Otherwise, we will restore only one
- register from the stack, since lowest will == highest in
- `pop_failure_point'. */
- unsigned dummy_low_reg, dummy_high_reg;
- unsigned char *pdummy;
- const char *sdummy;
-
- DEBUG_PRINT1 ("EXECUTING pop_failure_jump.\n");
- POP_FAILURE_POINT (sdummy, pdummy,
- dummy_low_reg, dummy_high_reg,
- reg_dummy, reg_dummy, reg_info_dummy);
- }
- /* Note fall through. */
-
-
- /* Unconditionally jump (without popping any failure points). */
- case jump:
- unconditional_jump:
- EXTRACT_NUMBER_AND_INCR (mcnt, p); /* Get the amount to jump. */
- DEBUG_PRINT2 ("EXECUTING jump %d ", mcnt);
- p += mcnt; /* Do the jump. */
- DEBUG_PRINT2 ("(to 0x%x).\n", p);
- break;
-
-
- /* We need this opcode so we can detect where alternatives end
- in `group_match_null_string_p' et al. */
- case jump_past_alt:
- DEBUG_PRINT1 ("EXECUTING jump_past_alt.\n");
- goto unconditional_jump;
-
-
- /* Normally, the on_failure_jump pushes a failure point, which
- then gets popped at pop_failure_jump. We will end up at
- pop_failure_jump, also, and with a pattern of, say, `a+', we
- are skipping over the on_failure_jump, so we have to push
- something meaningless for pop_failure_jump to pop. */
- case dummy_failure_jump:
- DEBUG_PRINT1 ("EXECUTING dummy_failure_jump.\n");
- /* It doesn't matter what we push for the string here. What
- the code at `fail' tests is the value for the pattern. */
- PUSH_FAILURE_POINT (0, 0, -2);
- goto unconditional_jump;
-
-
- /* At the end of an alternative, we need to push a dummy failure
- point in case we are followed by a `pop_failure_jump', because
- we don't want the failure point for the alternative to be
- popped. For example, matching `(a|ab)*' against `aab'
- requires that we match the `ab' alternative. */
- case push_dummy_failure:
- DEBUG_PRINT1 ("EXECUTING push_dummy_failure.\n");
- /* See comments just above at `dummy_failure_jump' about the
- two zeroes. */
- PUSH_FAILURE_POINT (0, 0, -2);
- break;
-
- /* Have to succeed matching what follows at least n times.
- After that, handle like `on_failure_jump'. */
- case succeed_n:
- EXTRACT_NUMBER (mcnt, p + 2);
- DEBUG_PRINT2 ("EXECUTING succeed_n %d.\n", mcnt);
-
- assert (mcnt >= 0);
- /* Originally, this is how many times we HAVE to succeed. */
- if (mcnt > 0)
- {
- mcnt--;
- p += 2;
- STORE_NUMBER_AND_INCR (p, mcnt);
- DEBUG_PRINT3 (" Setting 0x%x to %d.\n", p, mcnt);
- }
- else if (mcnt == 0)
- {
- DEBUG_PRINT2 (" Setting two bytes from 0x%x to no_op.\n", p+2);
- p[2] = (unsigned char) no_op;
- p[3] = (unsigned char) no_op;
- goto on_failure;
- }
- break;
-
- case jump_n:
- EXTRACT_NUMBER (mcnt, p + 2);
- DEBUG_PRINT2 ("EXECUTING jump_n %d.\n", mcnt);
-
- /* Originally, this is how many times we CAN jump. */
- if (mcnt)
- {
- mcnt--;
- STORE_NUMBER (p + 2, mcnt);
- goto unconditional_jump;
- }
- /* If don't have to jump any more, skip over the rest of command. */
- else
- p += 4;
- break;
-
- case set_number_at:
- {
- DEBUG_PRINT1 ("EXECUTING set_number_at.\n");
-
- EXTRACT_NUMBER_AND_INCR (mcnt, p);
- p1 = p + mcnt;
- EXTRACT_NUMBER_AND_INCR (mcnt, p);
- DEBUG_PRINT3 (" Setting 0x%x to %d.\n", p1, mcnt);
- STORE_NUMBER (p1, mcnt);
- break;
- }
-
- case wordbound:
- DEBUG_PRINT1 ("EXECUTING wordbound.\n");
- if (AT_WORD_BOUNDARY (d))
- break;
- goto fail;
-
- case notwordbound:
- DEBUG_PRINT1 ("EXECUTING notwordbound.\n");
- if (AT_WORD_BOUNDARY (d))
- goto fail;
- break;
-
- case wordbeg:
- DEBUG_PRINT1 ("EXECUTING wordbeg.\n");
- if (WORDCHAR_P (d) && (AT_STRINGS_BEG (d) || !WORDCHAR_P (d - 1)))
- break;
- goto fail;
-
- case wordend:
- DEBUG_PRINT1 ("EXECUTING wordend.\n");
- if (!AT_STRINGS_BEG (d) && WORDCHAR_P (d - 1)
- && (!WORDCHAR_P (d) || AT_STRINGS_END (d)))
- break;
- goto fail;
-
-#ifdef emacs
-#ifdef emacs19
- case before_dot:
- DEBUG_PRINT1 ("EXECUTING before_dot.\n");
- if (PTR_CHAR_POS ((unsigned char *) d) >= point)
- goto fail;
- break;
-
- case at_dot:
- DEBUG_PRINT1 ("EXECUTING at_dot.\n");
- if (PTR_CHAR_POS ((unsigned char *) d) != point)
- goto fail;
- break;
-
- case after_dot:
- DEBUG_PRINT1 ("EXECUTING after_dot.\n");
- if (PTR_CHAR_POS ((unsigned char *) d) <= point)
- goto fail;
- break;
-#else /* not emacs19 */
- case at_dot:
- DEBUG_PRINT1 ("EXECUTING at_dot.\n");
- if (PTR_CHAR_POS ((unsigned char *) d) + 1 != point)
- goto fail;
- break;
-#endif /* not emacs19 */
-
- case syntaxspec:
- DEBUG_PRINT2 ("EXECUTING syntaxspec %d.\n", mcnt);
- mcnt = *p++;
- goto matchsyntax;
-
- case wordchar:
- DEBUG_PRINT1 ("EXECUTING Emacs wordchar.\n");
- mcnt = (int) Sword;
- matchsyntax:
- PREFETCH ();
- if (SYNTAX (*d++) != (enum syntaxcode) mcnt)
- goto fail;
- SET_REGS_MATCHED ();
- break;
-
- case notsyntaxspec:
- DEBUG_PRINT2 ("EXECUTING notsyntaxspec %d.\n", mcnt);
- mcnt = *p++;
- goto matchnotsyntax;
-
- case notwordchar:
- DEBUG_PRINT1 ("EXECUTING Emacs notwordchar.\n");
- mcnt = (int) Sword;
- matchnotsyntax:
- PREFETCH ();
- if (SYNTAX (*d++) == (enum syntaxcode) mcnt)
- goto fail;
- SET_REGS_MATCHED ();
- break;
-
-#else /* not emacs */
- case wordchar:
- DEBUG_PRINT1 ("EXECUTING non-Emacs wordchar.\n");
- PREFETCH ();
- if (!WORDCHAR_P (d))
- goto fail;
- SET_REGS_MATCHED ();
- d++;
- break;
-
- case notwordchar:
- DEBUG_PRINT1 ("EXECUTING non-Emacs notwordchar.\n");
- PREFETCH ();
- if (WORDCHAR_P (d))
- goto fail;
- SET_REGS_MATCHED ();
- d++;
- break;
-#endif /* not emacs */
-
- default:
- abort ();
- }
- continue; /* Successfully executed one pattern command; keep going. */
-
-
- /* We goto here if a matching operation fails. */
- fail:
- if (!FAIL_STACK_EMPTY ())
- { /* A restart point is known. Restore to that state. */
- DEBUG_PRINT1 ("\nFAIL:\n");
- POP_FAILURE_POINT (d, p,
- lowest_active_reg, highest_active_reg,
- regstart, regend, reg_info);
-
- /* If this failure point is a dummy, try the next one. */
- if (!p)
- goto fail;
-
- /* If we failed to the end of the pattern, don't examine *p. */
- assert (p <= pend);
- if (p < pend)
- {
- boolean is_a_jump_n = false;
-
- /* If failed to a backwards jump that's part of a repetition
- loop, need to pop this failure point and use the next one. */
- switch ((re_opcode_t) *p)
- {
- case jump_n:
- is_a_jump_n = true;
- case maybe_pop_jump:
- case pop_failure_jump:
- case jump:
- p1 = p + 1;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- p1 += mcnt;
-
- if ((is_a_jump_n && (re_opcode_t) *p1 == succeed_n)
- || (!is_a_jump_n
- && (re_opcode_t) *p1 == on_failure_jump))
- goto fail;
- break;
- default:
- /* do nothing */ ;
- }
- }
-
- if (d >= string1 && d <= end1)
- dend = end_match_1;
- }
- else
- break; /* Matching at this starting point really fails. */
- } /* for (;;) */
-
- if (best_regs_set)
- goto restore_best_regs;
-
- FREE_VARIABLES ();
-
- return -1; /* Failure to match. */
-} /* re_match_2 */
-
-/* Subroutine definitions for re_match_2. */
-
-
-/* We are passed P pointing to a register number after a start_memory.
-
- Return true if the pattern up to the corresponding stop_memory can
- match the empty string, and false otherwise.
-
- If we find the matching stop_memory, sets P to point to one past its number.
- Otherwise, sets P to an undefined byte less than or equal to END.
-
- We don't handle duplicates properly (yet). */
-
-static boolean
-group_match_null_string_p (p, end, reg_info)
- unsigned char **p, *end;
- register_info_type *reg_info;
-{
- int mcnt;
- /* Point to after the args to the start_memory. */
- unsigned char *p1 = *p + 2;
-
- while (p1 < end)
- {
- /* Skip over opcodes that can match nothing, and return true or
- false, as appropriate, when we get to one that can't, or to the
- matching stop_memory. */
-
- switch ((re_opcode_t) *p1)
- {
- /* Could be either a loop or a series of alternatives. */
- case on_failure_jump:
- p1++;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
-
- /* If the next operation is not a jump backwards in the
- pattern. */
-
- if (mcnt >= 0)
- {
- /* Go through the on_failure_jumps of the alternatives,
- seeing if any of the alternatives cannot match nothing.
- The last alternative starts with only a jump,
- whereas the rest start with on_failure_jump and end
- with a jump, e.g., here is the pattern for `a|b|c':
-
- /on_failure_jump/0/6/exactn/1/a/jump_past_alt/0/6
- /on_failure_jump/0/6/exactn/1/b/jump_past_alt/0/3
- /exactn/1/c
-
- So, we have to first go through the first (n-1)
- alternatives and then deal with the last one separately. */
-
-
- /* Deal with the first (n-1) alternatives, which start
- with an on_failure_jump (see above) that jumps to right
- past a jump_past_alt. */
-
- while ((re_opcode_t) p1[mcnt-3] == jump_past_alt)
- {
- /* `mcnt' holds how many bytes long the alternative
- is, including the ending `jump_past_alt' and
- its number. */
-
- if (!alt_match_null_string_p (p1, p1 + mcnt - 3,
- reg_info))
- return false;
-
- /* Move to right after this alternative, including the
- jump_past_alt. */
- p1 += mcnt;
-
- /* Break if it's the beginning of an n-th alternative
- that doesn't begin with an on_failure_jump. */
- if ((re_opcode_t) *p1 != on_failure_jump)
- break;
-
- /* Still have to check that it's not an n-th
- alternative that starts with an on_failure_jump. */
- p1++;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- if ((re_opcode_t) p1[mcnt-3] != jump_past_alt)
- {
- /* Get to the beginning of the n-th alternative. */
- p1 -= 3;
- break;
- }
- }
-
- /* Deal with the last alternative: go back and get number
- of the `jump_past_alt' just before it. `mcnt' contains
- the length of the alternative. */
- EXTRACT_NUMBER (mcnt, p1 - 2);
-
- if (!alt_match_null_string_p (p1, p1 + mcnt, reg_info))
- return false;
-
- p1 += mcnt; /* Get past the n-th alternative. */
- } /* if mcnt > 0 */
- break;
-
-
- case stop_memory:
- assert (p1[1] == **p);
- *p = p1 + 2;
- return true;
-
-
- default:
- if (!common_op_match_null_string_p (&p1, end, reg_info))
- return false;
- }
- } /* while p1 < end */
-
- return false;
-} /* group_match_null_string_p */
-
-
-/* Similar to group_match_null_string_p, but doesn't deal with alternatives:
- It expects P to be the first byte of a single alternative and END one
- byte past the last. The alternative can contain groups. */
-
-static boolean
-alt_match_null_string_p (p, end, reg_info)
- unsigned char *p, *end;
- register_info_type *reg_info;
-{
- int mcnt;
- unsigned char *p1 = p;
-
- while (p1 < end)
- {
- /* Skip over opcodes that can match nothing, and break when we get
- to one that can't. */
-
- switch ((re_opcode_t) *p1)
- {
- /* It's a loop. */
- case on_failure_jump:
- p1++;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- p1 += mcnt;
- break;
-
- default:
- if (!common_op_match_null_string_p (&p1, end, reg_info))
- return false;
- }
- } /* while p1 < end */
-
- return true;
-} /* alt_match_null_string_p */
-
-
-/* Deals with the ops common to group_match_null_string_p and
- alt_match_null_string_p.
-
- Sets P to one after the op and its arguments, if any. */
-
-static boolean
-common_op_match_null_string_p (p, end, reg_info)
- unsigned char **p, *end;
- register_info_type *reg_info;
-{
- int mcnt;
- boolean ret;
- int reg_no;
- unsigned char *p1 = *p;
-
- switch ((re_opcode_t) *p1++)
- {
- case no_op:
- case begline:
- case endline:
- case begbuf:
- case endbuf:
- case wordbeg:
- case wordend:
- case wordbound:
- case notwordbound:
-#ifdef emacs
- case before_dot:
- case at_dot:
- case after_dot:
-#endif
- break;
-
- case start_memory:
- reg_no = *p1;
- assert (reg_no > 0 && reg_no <= MAX_REGNUM);
- ret = group_match_null_string_p (&p1, end, reg_info);
-
- /* Have to set this here in case we're checking a group which
- contains a group and a back reference to it. */
-
- if (REG_MATCH_NULL_STRING_P (reg_info[reg_no]) == MATCH_NULL_UNSET_VALUE)
- REG_MATCH_NULL_STRING_P (reg_info[reg_no]) = ret;
-
- if (!ret)
- return false;
- break;
-
- /* If this is an optimized succeed_n for zero times, make the jump. */
- case jump:
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- if (mcnt >= 0)
- p1 += mcnt;
- else
- return false;
- break;
-
- case succeed_n:
- /* Get to the number of times to succeed. */
- p1 += 2;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
-
- if (mcnt == 0)
- {
- p1 -= 4;
- EXTRACT_NUMBER_AND_INCR (mcnt, p1);
- p1 += mcnt;
- }
- else
- return false;
- break;
-
- case duplicate:
- if (!REG_MATCH_NULL_STRING_P (reg_info[*p1]))
- return false;
- break;
-
- case set_number_at:
- p1 += 4;
-
- default:
- /* All other opcodes mean we cannot match the empty string. */
- return false;
- }
-
- *p = p1;
- return true;
-} /* common_op_match_null_string_p */
-
-
-/* Return zero if TRANSLATE[S1] and TRANSLATE[S2] are identical for LEN
- bytes; nonzero otherwise. */
-
-static int
-bcmp_translate (s1, s2, len, translate)
- unsigned char *s1, *s2;
- register int len;
- char *translate;
-{
- register unsigned char *p1 = s1, *p2 = s2;
- while (len)
- {
- if (translate[*p1++] != translate[*p2++]) return 1;
- len--;
- }
- return 0;
-}
-
-/* Entry points for GNU code. */
-
-/* re_compile_pattern is the GNU regular expression compiler: it
- compiles PATTERN (of length SIZE) and puts the result in BUFP.
- Returns 0 if the pattern was valid, otherwise an error string.
-
- Assumes the `allocated' (and perhaps `buffer') and `translate' fields
- are set in BUFP on entry.
-
- We call regex_compile to do the actual compilation. */
-
-const char *
-re_compile_pattern (pattern, length, bufp)
- const char *pattern;
- int length;
- struct re_pattern_buffer *bufp;
-{
- reg_errcode_t ret;
-
- /* GNU code is written to assume at least RE_NREGS registers will be set
- (and at least one extra will be -1). */
- bufp->regs_allocated = REGS_UNALLOCATED;
-
- /* And GNU code determines whether or not to get register information
- by passing null for the REGS argument to re_match, etc., not by
- setting no_sub. */
- bufp->no_sub = 0;
-
- /* Match anchors at newline. */
- bufp->newline_anchor = 1;
-
- ret = regex_compile (pattern, length, re_syntax_options, bufp);
-
- return re_error_msg[(int) ret];
-}
-
-/* Entry points compatible with 4.2 BSD regex library. We don't define
- them if this is an Emacs or POSIX compilation. */
-
-#if !defined (emacs) && !defined (_POSIX_SOURCE)
-
-/* BSD has one and only one pattern buffer. */
-static struct re_pattern_buffer re_comp_buf;
-
-char *
-re_comp (s)
- const char *s;
-{
- reg_errcode_t ret;
-
- if (!s)
- {
- if (!re_comp_buf.buffer)
- return "No previous regular expression";
- return 0;
- }
-
- if (!re_comp_buf.buffer)
- {
- re_comp_buf.buffer = (unsigned char *) malloc (200);
- if (re_comp_buf.buffer == NULL)
- return "Memory exhausted";
- re_comp_buf.allocated = 200;
-
- re_comp_buf.fastmap = (char *) malloc (1 << BYTEWIDTH);
- if (re_comp_buf.fastmap == NULL)
- return "Memory exhausted";
- }
-
- /* Since `re_exec' always passes NULL for the `regs' argument, we
- don't need to initialize the pattern buffer fields which affect it. */
-
- /* Match anchors at newlines. */
- re_comp_buf.newline_anchor = 1;
-
- ret = regex_compile (s, strlen (s), re_syntax_options, &re_comp_buf);
-
- /* Yes, we're discarding `const' here. */
- return (char *) re_error_msg[(int) ret];
-}
-
-
-int
-re_exec (s)
- const char *s;
-{
- const int len = strlen (s);
- return
- 0 <= re_search (&re_comp_buf, s, len, 0, len, (struct re_registers *) 0);
-}
-#endif /* not emacs and not _POSIX_SOURCE */
-
-/* POSIX.2 functions. Don't define these for Emacs. */
-
-#ifndef emacs
-
-/* regcomp takes a regular expression as a string and compiles it.
-
- PREG is a regex_t *. We do not expect any fields to be initialized,
- since POSIX says we shouldn't. Thus, we set
-
- `buffer' to the compiled pattern;
- `used' to the length of the compiled pattern;
- `syntax' to RE_SYNTAX_POSIX_EXTENDED if the
- REG_EXTENDED bit in CFLAGS is set; otherwise, to
- RE_SYNTAX_POSIX_BASIC;
- `newline_anchor' to REG_NEWLINE being set in CFLAGS;
- `fastmap' and `fastmap_accurate' to zero;
- `re_nsub' to the number of subexpressions in PATTERN.
-
- PATTERN is the address of the pattern string.
-
- CFLAGS is a series of bits which affect compilation.
-
- If REG_EXTENDED is set, we use POSIX extended syntax; otherwise, we
- use POSIX basic syntax.
-
- If REG_NEWLINE is set, then . and [^...] don't match newline.
- Also, regexec will try a match beginning after every newline.
-
- If REG_ICASE is set, then we considers upper- and lowercase
- versions of letters to be equivalent when matching.
-
- If REG_NOSUB is set, then when PREG is passed to regexec, that
- routine will report only success or failure, and nothing about the
- registers.
-
- It returns 0 if it succeeds, nonzero if it doesn't. (See regex.h for
- the return codes and their meanings.) */
-
-int
-regcomp (preg, pattern, cflags)
- regex_t *preg;
- const char *pattern;
- int cflags;
-{
- reg_errcode_t ret;
- unsigned syntax
- = (cflags & REG_EXTENDED) ?
- RE_SYNTAX_POSIX_EXTENDED : RE_SYNTAX_POSIX_BASIC;
-
- /* regex_compile will allocate the space for the compiled pattern. */
- preg->buffer = 0;
- preg->allocated = 0;
-
- /* Don't bother to use a fastmap when searching. This simplifies the
- REG_NEWLINE case: if we used a fastmap, we'd have to put all the
- characters after newlines into the fastmap. This way, we just try
- every character. */
- preg->fastmap = 0;
-
- if (cflags & REG_ICASE)
- {
- unsigned i;
-
- preg->translate = (char *) malloc (CHAR_SET_SIZE);
- if (preg->translate == NULL)
- return (int) REG_ESPACE;
-
- /* Map uppercase characters to corresponding lowercase ones. */
- for (i = 0; i < CHAR_SET_SIZE; i++)
- preg->translate[i] = ISUPPER (i) ? tolower (i) : i;
- }
- else
- preg->translate = NULL;
-
- /* If REG_NEWLINE is set, newlines are treated differently. */
- if (cflags & REG_NEWLINE)
- { /* REG_NEWLINE implies neither . nor [^...] match newline. */
- syntax &= ~RE_DOT_NEWLINE;
- syntax |= RE_HAT_LISTS_NOT_NEWLINE;
- /* It also changes the matching behavior. */
- preg->newline_anchor = 1;
- }
- else
- preg->newline_anchor = 0;
-
- preg->no_sub = !!(cflags & REG_NOSUB);
-
- /* POSIX says a null character in the pattern terminates it, so we
- can use strlen here in compiling the pattern. */
- ret = regex_compile (pattern, strlen (pattern), syntax, preg);
-
- /* POSIX doesn't distinguish between an unmatched open-group and an
- unmatched close-group: both are REG_EPAREN. */
- if (ret == REG_ERPAREN) ret = REG_EPAREN;
-
- return (int) ret;
-}
-
-
-/* regexec searches for a given pattern, specified by PREG, in the
- string STRING.
-
- If NMATCH is zero or REG_NOSUB was set in the cflags argument to
- `regcomp', we ignore PMATCH. Otherwise, we assume PMATCH has at
- least NMATCH elements, and we set them to the offsets of the
- corresponding matched substrings.
-
- EFLAGS specifies `execution flags' which affect matching: if
- REG_NOTBOL is set, then ^ does not match at the beginning of the
- string; if REG_NOTEOL is set, then $ does not match at the end.
-
- We return 0 if we find a match and REG_NOMATCH if not. */
-
-int
-regexec (preg, string, nmatch, pmatch, eflags)
- const regex_t *preg;
- const char *string;
- size_t nmatch;
- regmatch_t pmatch[];
- int eflags;
-{
- int ret;
- struct re_registers regs;
- regex_t private_preg;
- int len = strlen (string);
- boolean want_reg_info = !preg->no_sub && nmatch > 0;
-
- private_preg = *preg;
-
- private_preg.not_bol = !!(eflags & REG_NOTBOL);
- private_preg.not_eol = !!(eflags & REG_NOTEOL);
-
- /* The user has told us exactly how many registers to return
- information about, via `nmatch'. We have to pass that on to the
- matching routines. */
- private_preg.regs_allocated = REGS_FIXED;
-
- if (want_reg_info)
- {
- regs.num_regs = nmatch;
- regs.start = TALLOC (nmatch, regoff_t);
- regs.end = TALLOC (nmatch, regoff_t);
- if (regs.start == NULL || regs.end == NULL)
- return (int) REG_NOMATCH;
- }
-
- /* Perform the searching operation. */
- ret = re_search (&private_preg, string, len,
- /* start: */ 0, /* range: */ len,
- want_reg_info ? &regs : (struct re_registers *) 0);
-
- /* Copy the register information to the POSIX structure. */
- if (want_reg_info)
- {
- if (ret >= 0)
- {
- unsigned r;
-
- for (r = 0; r < nmatch; r++)
- {
- pmatch[r].rm_so = regs.start[r];
- pmatch[r].rm_eo = regs.end[r];
- }
- }
-
- /* If we needed the temporary register info, free the space now. */
- free (regs.start);
- free (regs.end);
- }
-
- /* We want zero return to mean success, unlike `re_search'. */
- return ret >= 0 ? (int) REG_NOERROR : (int) REG_NOMATCH;
-}
-
-
-/* Returns a message corresponding to an error code, ERRCODE, returned
- from either regcomp or regexec. We don't use PREG here. */
-
-size_t
-regerror (errcode, preg, errbuf, errbuf_size)
- int errcode;
- const regex_t *preg;
- char *errbuf;
- size_t errbuf_size;
-{
- const char *msg;
- size_t msg_size;
-
- if (errcode < 0
- || errcode >= (sizeof (re_error_msg) / sizeof (re_error_msg[0])))
- /* Only error codes returned by the rest of the code should be passed
- to this routine. If we are given anything else, or if other regex
- code generates an invalid error code, then the program has a bug.
- Dump core so we can fix it. */
- abort ();
-
- msg = re_error_msg[errcode];
-
- /* POSIX doesn't require that we do anything in this case, but why
- not be nice. */
- if (! msg)
- msg = "Success";
-
- msg_size = strlen (msg) + 1; /* Includes the null. */
-
- if (errbuf_size != 0)
- {
- if (msg_size > errbuf_size)
- {
- strncpy (errbuf, msg, errbuf_size - 1);
- errbuf[errbuf_size - 1] = 0;
- }
- else
- strcpy (errbuf, msg);
- }
-
- return msg_size;
-}
-
-
-/* Free dynamically allocated space used by PREG. */
-
-void
-regfree (preg)
- regex_t *preg;
-{
- if (preg->buffer != NULL)
- free (preg->buffer);
- preg->buffer = NULL;
-
- preg->allocated = 0;
- preg->used = 0;
-
- if (preg->fastmap != NULL)
- free (preg->fastmap);
- preg->fastmap = NULL;
- preg->fastmap_accurate = 0;
-
- if (preg->translate != NULL)
- free (preg->translate);
- preg->translate = NULL;
-}
-
-#endif /* not emacs */
-
-/*
-Local variables:
-make-backup-files: t
-version-control: t
-trim-versions-without-asking: nil
-End:
-*/
--- a/ignorance/regex.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,490 +0,0 @@
-/* Definitions for data structures and routines for the regular
- expression library, version 0.12.
-
- Copyright (C) 1985, 1989, 1990, 1991, 1992, 1993 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
-#ifndef __REGEXP_LIBRARY_H__
-#define __REGEXP_LIBRARY_H__
-
-/* POSIX says that <sys/types.h> must be included (by the caller) before
- <regex.h>. */
-
-#ifdef VMS
-/* VMS doesn't have `size_t' in <sys/types.h>, even though POSIX says it
- should be there. */
-#include <stddef.h>
-#endif
-
-
-/* The following bits are used to determine the regexp syntax we
- recognize. The set/not-set meanings are chosen so that Emacs syntax
- remains the value 0. The bits are given in alphabetical order, and
- the definitions shifted by one from the previous bit; thus, when we
- add or remove a bit, only one other definition need change. */
-typedef unsigned reg_syntax_t;
-
-/* If this bit is not set, then \ inside a bracket expression is literal.
- If set, then such a \ quotes the following character. */
-#define RE_BACKSLASH_ESCAPE_IN_LISTS (1)
-
-/* If this bit is not set, then + and ? are operators, and \+ and \? are
- literals.
- If set, then \+ and \? are operators and + and ? are literals. */
-#define RE_BK_PLUS_QM (RE_BACKSLASH_ESCAPE_IN_LISTS << 1)
-
-/* If this bit is set, then character classes are supported. They are:
- [:alpha:], [:upper:], [:lower:], [:digit:], [:alnum:], [:xdigit:],
- [:space:], [:print:], [:punct:], [:graph:], and [:cntrl:].
- If not set, then character classes are not supported. */
-#define RE_CHAR_CLASSES (RE_BK_PLUS_QM << 1)
-
-/* If this bit is set, then ^ and $ are always anchors (outside bracket
- expressions, of course).
- If this bit is not set, then it depends:
- ^ is an anchor if it is at the beginning of a regular
- expression or after an open-group or an alternation operator;
- $ is an anchor if it is at the end of a regular expression, or
- before a close-group or an alternation operator.
-
- This bit could be (re)combined with RE_CONTEXT_INDEP_OPS, because
- POSIX draft 11.2 says that * etc. in leading positions is undefined.
- We already implemented a previous draft which made those constructs
- invalid, though, so we haven't changed the code back. */
-#define RE_CONTEXT_INDEP_ANCHORS (RE_CHAR_CLASSES << 1)
-
-/* If this bit is set, then special characters are always special
- regardless of where they are in the pattern.
- If this bit is not set, then special characters are special only in
- some contexts; otherwise they are ordinary. Specifically,
- * + ? and intervals are only special when not after the beginning,
- open-group, or alternation operator. */
-#define RE_CONTEXT_INDEP_OPS (RE_CONTEXT_INDEP_ANCHORS << 1)
-
-/* If this bit is set, then *, +, ?, and { cannot be first in an re or
- immediately after an alternation or begin-group operator. */
-#define RE_CONTEXT_INVALID_OPS (RE_CONTEXT_INDEP_OPS << 1)
-
-/* If this bit is set, then . matches newline.
- If not set, then it doesn't. */
-#define RE_DOT_NEWLINE (RE_CONTEXT_INVALID_OPS << 1)
-
-/* If this bit is set, then . doesn't match NUL.
- If not set, then it does. */
-#define RE_DOT_NOT_NULL (RE_DOT_NEWLINE << 1)
-
-/* If this bit is set, nonmatching lists [^...] do not match newline.
- If not set, they do. */
-#define RE_HAT_LISTS_NOT_NEWLINE (RE_DOT_NOT_NULL << 1)
-
-/* If this bit is set, either \{...\} or {...} defines an
- interval, depending on RE_NO_BK_BRACES.
- If not set, \{, \}, {, and } are literals. */
-#define RE_INTERVALS (RE_HAT_LISTS_NOT_NEWLINE << 1)
-
-/* If this bit is set, +, ? and | aren't recognized as operators.
- If not set, they are. */
-#define RE_LIMITED_OPS (RE_INTERVALS << 1)
-
-/* If this bit is set, newline is an alternation operator.
- If not set, newline is literal. */
-#define RE_NEWLINE_ALT (RE_LIMITED_OPS << 1)
-
-/* If this bit is set, then `{...}' defines an interval, and \{ and \}
- are literals.
- If not set, then `\{...\}' defines an interval. */
-#define RE_NO_BK_BRACES (RE_NEWLINE_ALT << 1)
-
-/* If this bit is set, (...) defines a group, and \( and \) are literals.
- If not set, \(...\) defines a group, and ( and ) are literals. */
-#define RE_NO_BK_PARENS (RE_NO_BK_BRACES << 1)
-
-/* If this bit is set, then \<digit> matches <digit>.
- If not set, then \<digit> is a back-reference. */
-#define RE_NO_BK_REFS (RE_NO_BK_PARENS << 1)
-
-/* If this bit is set, then | is an alternation operator, and \| is literal.
- If not set, then \| is an alternation operator, and | is literal. */
-#define RE_NO_BK_VBAR (RE_NO_BK_REFS << 1)
-
-/* If this bit is set, then an ending range point collating higher
- than the starting range point, as in [z-a], is invalid.
- If not set, then when ending range point collates higher than the
- starting range point, the range is ignored. */
-#define RE_NO_EMPTY_RANGES (RE_NO_BK_VBAR << 1)
-
-/* If this bit is set, then an unmatched ) is ordinary.
- If not set, then an unmatched ) is invalid. */
-#define RE_UNMATCHED_RIGHT_PAREN_ORD (RE_NO_EMPTY_RANGES << 1)
-
-/* This global variable defines the particular regexp syntax to use (for
- some interfaces). When a regexp is compiled, the syntax used is
- stored in the pattern buffer, so changing this does not affect
- already-compiled regexps. */
-extern reg_syntax_t re_syntax_options;
-
-/* Define combinations of the above bits for the standard possibilities.
- (The [[[ comments delimit what gets put into the Texinfo file, so
- don't delete them!) */
-/* [[[begin syntaxes]]] */
-#define RE_SYNTAX_EMACS 0
-
-#define RE_SYNTAX_AWK \
- (RE_BACKSLASH_ESCAPE_IN_LISTS | RE_DOT_NOT_NULL \
- | RE_NO_BK_PARENS | RE_NO_BK_REFS \
- | RE_NO_BK_VBAR | RE_NO_EMPTY_RANGES \
- | RE_UNMATCHED_RIGHT_PAREN_ORD)
-
-#define RE_SYNTAX_POSIX_AWK \
- (RE_SYNTAX_POSIX_EXTENDED | RE_BACKSLASH_ESCAPE_IN_LISTS)
-
-#define RE_SYNTAX_GREP \
- (RE_BK_PLUS_QM | RE_CHAR_CLASSES \
- | RE_HAT_LISTS_NOT_NEWLINE | RE_INTERVALS \
- | RE_NEWLINE_ALT)
-
-#define RE_SYNTAX_EGREP \
- (RE_CHAR_CLASSES | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INDEP_OPS | RE_HAT_LISTS_NOT_NEWLINE \
- | RE_NEWLINE_ALT | RE_NO_BK_PARENS \
- | RE_NO_BK_VBAR)
-
-#define RE_SYNTAX_POSIX_EGREP \
- (RE_SYNTAX_EGREP | RE_INTERVALS | RE_NO_BK_BRACES)
-
-/* P1003.2/D11.2, section 4.20.7.1, lines 5078ff. */
-#define RE_SYNTAX_ED RE_SYNTAX_POSIX_BASIC
-
-#define RE_SYNTAX_SED RE_SYNTAX_POSIX_BASIC
-
-/* Syntax bits common to both basic and extended POSIX regex syntax. */
-#define _RE_SYNTAX_POSIX_COMMON \
- (RE_CHAR_CLASSES | RE_DOT_NEWLINE | RE_DOT_NOT_NULL \
- | RE_INTERVALS | RE_NO_EMPTY_RANGES)
-
-#define RE_SYNTAX_POSIX_BASIC \
- (_RE_SYNTAX_POSIX_COMMON | RE_BK_PLUS_QM)
-
-/* Differs from ..._POSIX_BASIC only in that RE_BK_PLUS_QM becomes
- RE_LIMITED_OPS, i.e., \? \+ \| are not recognized. Actually, this
- isn't minimal, since other operators, such as \`, aren't disabled. */
-#define RE_SYNTAX_POSIX_MINIMAL_BASIC \
- (_RE_SYNTAX_POSIX_COMMON | RE_LIMITED_OPS)
-
-#define RE_SYNTAX_POSIX_EXTENDED \
- (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INDEP_OPS | RE_NO_BK_BRACES \
- | RE_NO_BK_PARENS | RE_NO_BK_VBAR \
- | RE_UNMATCHED_RIGHT_PAREN_ORD)
-
-/* Differs from ..._POSIX_EXTENDED in that RE_CONTEXT_INVALID_OPS
- replaces RE_CONTEXT_INDEP_OPS and RE_NO_BK_REFS is added. */
-#define RE_SYNTAX_POSIX_MINIMAL_EXTENDED \
- (_RE_SYNTAX_POSIX_COMMON | RE_CONTEXT_INDEP_ANCHORS \
- | RE_CONTEXT_INVALID_OPS | RE_NO_BK_BRACES \
- | RE_NO_BK_PARENS | RE_NO_BK_REFS \
- | RE_NO_BK_VBAR | RE_UNMATCHED_RIGHT_PAREN_ORD)
-/* [[[end syntaxes]]] */
-
-/* Maximum number of duplicates an interval can allow. Some systems
- (erroneously) define this in other header files, but we want our
- value, so remove any previous define. */
-#ifdef RE_DUP_MAX
-#undef RE_DUP_MAX
-#endif
-#define RE_DUP_MAX ((1 << 15) - 1)
-
-
-/* POSIX `cflags' bits (i.e., information for `regcomp'). */
-
-/* If this bit is set, then use extended regular expression syntax.
- If not set, then use basic regular expression syntax. */
-#define REG_EXTENDED 1
-
-/* If this bit is set, then ignore case when matching.
- If not set, then case is significant. */
-#define REG_ICASE (REG_EXTENDED << 1)
-
-/* If this bit is set, then anchors do not match at newline
- characters in the string.
- If not set, then anchors do match at newlines. */
-#define REG_NEWLINE (REG_ICASE << 1)
-
-/* If this bit is set, then report only success or fail in regexec.
- If not set, then returns differ between not matching and errors. */
-#define REG_NOSUB (REG_NEWLINE << 1)
-
-
-/* POSIX `eflags' bits (i.e., information for regexec). */
-
-/* If this bit is set, then the beginning-of-line operator doesn't match
- the beginning of the string (presumably because it's not the
- beginning of a line).
- If not set, then the beginning-of-line operator does match the
- beginning of the string. */
-#define REG_NOTBOL 1
-
-/* Like REG_NOTBOL, except for the end-of-line. */
-#define REG_NOTEOL (1 << 1)
-
-
-/* If any error codes are removed, changed, or added, update the
- `re_error_msg' table in regex.c. */
-typedef enum
-{
- REG_NOERROR = 0, /* Success. */
- REG_NOMATCH, /* Didn't find a match (for regexec). */
-
- /* POSIX regcomp return error codes. (In the order listed in the
- standard.) */
- REG_BADPAT, /* Invalid pattern. */
- REG_ECOLLATE, /* Not implemented. */
- REG_ECTYPE, /* Invalid character class name. */
- REG_EESCAPE, /* Trailing backslash. */
- REG_ESUBREG, /* Invalid back reference. */
- REG_EBRACK, /* Unmatched left bracket. */
- REG_EPAREN, /* Parenthesis imbalance. */
- REG_EBRACE, /* Unmatched \{. */
- REG_BADBR, /* Invalid contents of \{\}. */
- REG_ERANGE, /* Invalid range end. */
- REG_ESPACE, /* Ran out of memory. */
- REG_BADRPT, /* No preceding re for repetition op. */
-
- /* Error codes we've added. */
- REG_EEND, /* Premature end. */
- REG_ESIZE, /* Compiled pattern bigger than 2^16 bytes. */
- REG_ERPAREN /* Unmatched ) or \); not returned from regcomp. */
-} reg_errcode_t;
-
-/* This data structure represents a compiled pattern. Before calling
- the pattern compiler, the fields `buffer', `allocated', `fastmap',
- `translate', and `no_sub' can be set. After the pattern has been
- compiled, the `re_nsub' field is available. All other fields are
- private to the regex routines. */
-
-struct re_pattern_buffer
-{
-/* [[[begin pattern_buffer]]] */
- /* Space that holds the compiled pattern. It is declared as
- `unsigned char *' because its elements are
- sometimes used as array indexes. */
- unsigned char *buffer;
-
- /* Number of bytes to which `buffer' points. */
- unsigned long allocated;
-
- /* Number of bytes actually used in `buffer'. */
- unsigned long used;
-
- /* Syntax setting with which the pattern was compiled. */
- reg_syntax_t syntax;
-
- /* Pointer to a fastmap, if any, otherwise zero. re_search uses
- the fastmap, if there is one, to skip over impossible
- starting points for matches. */
- char *fastmap;
-
- /* Either a translate table to apply to all characters before
- comparing them, or zero for no translation. The translation
- is applied to a pattern when it is compiled and to a string
- when it is matched. */
- char *translate;
-
- /* Number of subexpressions found by the compiler. */
- size_t re_nsub;
-
- /* Zero if this pattern cannot match the empty string, one else.
- Well, in truth it's used only in `re_search_2', to see
- whether or not we should use the fastmap, so we don't set
- this absolutely perfectly; see `re_compile_fastmap' (the
- `duplicate' case). */
- unsigned can_be_null : 1;
-
- /* If REGS_UNALLOCATED, allocate space in the `regs' structure
- for `max (RE_NREGS, re_nsub + 1)' groups.
- If REGS_REALLOCATE, reallocate space if necessary.
- If REGS_FIXED, use what's there. */
-#define REGS_UNALLOCATED 0
-#define REGS_REALLOCATE 1
-#define REGS_FIXED 2
- unsigned regs_allocated : 2;
-
- /* Set to zero when `regex_compile' compiles a pattern; set to one
- by `re_compile_fastmap' if it updates the fastmap. */
- unsigned fastmap_accurate : 1;
-
- /* If set, `re_match_2' does not return information about
- subexpressions. */
- unsigned no_sub : 1;
-
- /* If set, a beginning-of-line anchor doesn't match at the
- beginning of the string. */
- unsigned not_bol : 1;
-
- /* Similarly for an end-of-line anchor. */
- unsigned not_eol : 1;
-
- /* If true, an anchor at a newline matches. */
- unsigned newline_anchor : 1;
-
-/* [[[end pattern_buffer]]] */
-};
-
-typedef struct re_pattern_buffer regex_t;
-
-
-/* search.c (search_buffer) in Emacs needs this one opcode value. It is
- defined both in `regex.c' and here. */
-#define RE_EXACTN_VALUE 1
-
-/* Type for byte offsets within the string. POSIX mandates this. */
-typedef int regoff_t;
-
-
-/* This is the structure we store register match data in. See
- regex.texinfo for a full description of what registers match. */
-struct re_registers
-{
- unsigned num_regs;
- regoff_t *start;
- regoff_t *end;
-};
-
-
-/* If `regs_allocated' is REGS_UNALLOCATED in the pattern buffer,
- `re_match_2' returns information about at least this many registers
- the first time a `regs' structure is passed. */
-#ifndef RE_NREGS
-#define RE_NREGS 30
-#endif
-
-
-/* POSIX specification for registers. Aside from the different names than
- `re_registers', POSIX uses an array of structures, instead of a
- structure of arrays. */
-typedef struct
-{
- regoff_t rm_so; /* Byte offset from string's start to substring's start. */
- regoff_t rm_eo; /* Byte offset from string's start to substring's end. */
-} regmatch_t;
-
-/* Declarations for routines. */
-
-/* To avoid duplicating every routine declaration -- once with a
- prototype (if we are ANSI), and once without (if we aren't) -- we
- use the following macro to declare argument types. This
- unfortunately clutters up the declarations a bit, but I think it's
- worth it. */
-
-#if __STDC__
-
-#define _RE_ARGS(args) args
-
-#else /* not __STDC__ */
-
-#define _RE_ARGS(args) ()
-
-#endif /* not __STDC__ */
-
-/* Sets the current default syntax to SYNTAX, and return the old syntax.
- You can also simply assign to the `re_syntax_options' variable. */
-extern reg_syntax_t re_set_syntax _RE_ARGS ((reg_syntax_t syntax));
-
-/* Compile the regular expression PATTERN, with length LENGTH
- and syntax given by the global `re_syntax_options', into the buffer
- BUFFER. Return NULL if successful, and an error string if not. */
-extern const char *re_compile_pattern
- _RE_ARGS ((const char *pattern, int length,
- struct re_pattern_buffer *buffer));
-
-
-/* Compile a fastmap for the compiled pattern in BUFFER; used to
- accelerate searches. Return 0 if successful and -2 if was an
- internal error. */
-extern int re_compile_fastmap _RE_ARGS ((struct re_pattern_buffer *buffer));
-
-
-/* Search in the string STRING (with length LENGTH) for the pattern
- compiled into BUFFER. Start searching at position START, for RANGE
- characters. Return the starting position of the match, -1 for no
- match, or -2 for an internal error. Also return register
- information in REGS (if REGS and BUFFER->no_sub are nonzero). */
-extern int re_search
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string,
- int length, int start, int range, struct re_registers *regs));
-
-
-/* Like `re_search', but search in the concatenation of STRING1 and
- STRING2. Also, stop searching at index START + STOP. */
-extern int re_search_2
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1,
- int length1, const char *string2, int length2,
- int start, int range, struct re_registers *regs, int stop));
-
-
-/* Like `re_search', but return how many characters in STRING the regexp
- in BUFFER matched, starting at position START. */
-extern int re_match
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string,
- int length, int start, struct re_registers *regs));
-
-
-/* Relates to `re_match' as `re_search_2' relates to `re_search'. */
-extern int re_match_2
- _RE_ARGS ((struct re_pattern_buffer *buffer, const char *string1,
- int length1, const char *string2, int length2,
- int start, struct re_registers *regs, int stop));
-
-
-/* Set REGS to hold NUM_REGS registers, storing them in STARTS and
- ENDS. Subsequent matches using BUFFER and REGS will use this memory
- for recording register information. STARTS and ENDS must be
- allocated with malloc, and must each be at least `NUM_REGS * sizeof
- (regoff_t)' bytes long.
-
- If NUM_REGS == 0, then subsequent matches should allocate their own
- register data.
-
- Unless this function is called, the first search or match using
- PATTERN_BUFFER will allocate its own register data, without
- freeing the old data. */
-extern void re_set_registers
- _RE_ARGS ((struct re_pattern_buffer *buffer, struct re_registers *regs,
- unsigned num_regs, regoff_t *starts, regoff_t *ends));
-
-/* 4.2 bsd compatibility. */
-extern char *re_comp _RE_ARGS ((const char *));
-extern int re_exec _RE_ARGS ((const char *));
-
-/* POSIX compatibility. */
-extern int regcomp _RE_ARGS ((regex_t *preg, const char *pattern, int cflags));
-extern int regexec
- _RE_ARGS ((const regex_t *preg, const char *string, size_t nmatch,
- regmatch_t pmatch[], int eflags));
-extern size_t regerror
- _RE_ARGS ((int errcode, const regex_t *preg, char *errbuf,
- size_t errbuf_size));
-extern void regfree _RE_ARGS ((regex_t *preg));
-
-#endif /* not __REGEXP_LIBRARY_H__ */
-
-/*
-Local variables:
-make-backup-files: t
-version-control: t
-trim-versions-without-asking: nil
-End:
-*/
--- a/ignorance/support.c Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,158 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifdef HAVE_CONFIG_H
-# include "../pp_config.h"
-#endif
-
-#include "../common/pp_internal.h"
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <string.h>
-#include <stdio.h>
-
-#include <gtk/gtk.h>
-
-#include "ignorance_internal.h"
-#include "support.h"
-
-GtkWidget*
-lookup_widget (GtkWidget *widget,
- const gchar *widget_name)
-{
- GtkWidget *parent, *found_widget;
-
- for (;;)
- {
- if (GTK_IS_MENU (widget))
- parent = gtk_menu_get_attach_widget (GTK_MENU (widget));
- else
- parent = widget->parent;
- if (!parent)
- parent = (GtkWidget*) g_object_get_data (G_OBJECT (widget), "GladeParentKey");
- if (parent == NULL)
- break;
- widget = parent;
- }
-
- found_widget = (GtkWidget*) g_object_get_data (G_OBJECT (widget),
- widget_name);
- if (!found_widget)
- g_warning ("Widget not found: %s", widget_name);
- return found_widget;
-}
-
-static GList *pixmaps_directories = NULL;
-
-/* Use this function to set the directory containing installed pixmaps. */
-void
-add_pixmap_directory (const gchar *directory)
-{
- pixmaps_directories = g_list_prepend (pixmaps_directories,
- g_strdup (directory));
-}
-
-/* This is an internally used function to find pixmap files. */
-static gchar*
-find_pixmap_file (const gchar *filename)
-{
- GList *elem;
-
- /* We step through each of the pixmaps directory to find it. */
- elem = pixmaps_directories;
- while (elem)
- {
- gchar *pathname = g_strdup_printf ("%s%s%s", (gchar*)elem->data,
- G_DIR_SEPARATOR_S, filename);
- if (g_file_test (pathname, G_FILE_TEST_EXISTS))
- return pathname;
- g_free (pathname);
- elem = elem->next;
- }
- return NULL;
-}
-
-/* This is an internally used function to create pixmaps. */
-GtkWidget*
-create_pixmap (GtkWidget *widget,
- const gchar *filename)
-{
- gchar *pathname = NULL;
- GtkWidget *pixmap;
-
- if (!filename || !filename[0])
- return gtk_image_new ();
-
- pathname = find_pixmap_file (filename);
-
- if (!pathname)
- {
- g_warning (_("Couldn't find pixmap file: %s"), filename);
- return gtk_image_new ();
- }
-
- pixmap = gtk_image_new_from_file (pathname);
- g_free (pathname);
- return pixmap;
-}
-
-/* This is an internally used function to create pixmaps. */
-GdkPixbuf*
-create_pixbuf (const gchar *filename)
-{
- gchar *pathname = NULL;
- GdkPixbuf *pixbuf;
- GError *error = NULL;
-
- if (!filename || !filename[0])
- return NULL;
-
- pathname = find_pixmap_file (filename);
-
- if (!pathname)
- {
- g_warning (_("Couldn't find pixmap file: %s"), filename);
- return NULL;
- }
-
- pixbuf = gdk_pixbuf_new_from_file (pathname, &error);
- if (!pixbuf)
- {
- fprintf (stderr, "Failed to load pixbuf file: %s: %s\n",
- pathname, error->message);
- g_error_free (error);
- }
- g_free (pathname);
- return pixbuf;
-}
-
-/* This is used to set ATK action descriptions. */
-void
-glade_set_atk_action_description (AtkAction *action,
- const gchar *action_name,
- const gchar *description)
-{
- gint n_actions, i;
-
- n_actions = atk_action_get_n_actions (action);
- for (i = 0; i < n_actions; i++)
- {
- if (!strcmp (atk_action_get_name (action, i), action_name))
- atk_action_set_description (action, i, description);
- }
-}
--- a/ignorance/support.h Sun Mar 01 18:49:34 2020 -0600
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,58 +0,0 @@
-/*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301, USA.
- */
-
-#ifndef IGNORANCE_SUPPORT_H
-#define IGNORANCE_SUPPORT_H
-
-#include <gtk/gtk.h>
-
-
-
-/*
- * Public Functions.
- */
-
-/*
- * This function returns a widget in a component created by Glade.
- * Call it with the toplevel widget in the component (i.e. a window/dialog),
- * or alternatively any widget in the component, and the name of the widget
- * you want returned.
- */
-GtkWidget* lookup_widget (GtkWidget *widget,
- const gchar *widget_name);
-
-
-/* Use this function to set the directory containing installed pixmaps. */
-void add_pixmap_directory (const gchar *directory);
-
-
-/*
- * Private Functions.
- */
-
-/* This is used to create the pixmaps used in the interface. */
-GtkWidget* create_pixmap (GtkWidget *widget,
- const gchar *filename);
-
-/* This is used to create the pixbufs used in the interface. */
-GdkPixbuf* create_pixbuf (const gchar *filename);
-
-/* This is used to set ATK action descriptions. */
-void glade_set_atk_action_description (AtkAction *action,
- const gchar *action_name,
- const gchar *description);
-
-#endif
--- a/meson.build Sun Mar 01 18:49:34 2020 -0600
+++ b/meson.build Sun Mar 01 18:51:28 2020 -0600
@@ -172,7 +172,6 @@
subdir('hideconv')
subdir('highlight')
subdir('icon-override')
-subdir('ignorance')
subdir('ignore')
subdir('irc-more')
subdir('irchelper')