pidgin/pidgin

Really disable some plugins
default tip
28 hours ago, Gary Kramlich
44125b8e3b27
Really disable some plugins

Previous we disabled some plugins that we want to keep around but can't port
yet by setting `build_by_default` to `false`. However, this isn't working on
many machines. I haven't figured out why, so instead lets just make their
meson.build files exit early.

Testing Done:
Ran the turtles on a machine that was still building these plugins.

Reviewed at https://reviews.imfreedom.org/r/3142/
/*
* Purple - Internet Messaging Library
* Copyright (C) Pidgin Developers <devel@pidgin.im>
*
* Purple is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This library 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 library 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 library; if not, see <https://www.gnu.org/licenses/>.
*/
#include "cmds.h"
#include "purpleaccount.h"
#include "purplemarkup.h"
#include "signals.h"
#include "util.h"
static GList *cmds = NULL;
static guint next_id = 1;
typedef struct {
PurpleCmdId id;
gchar *cmd;
gchar *args;
PurpleCmdPriority priority;
PurpleCmdFlag flags;
gchar *protocol_id;
PurpleCmdFunc func;
gchar *help;
void *data;
} PurpleCmd;
static gint cmds_compare_func(const PurpleCmd *a, const PurpleCmd *b)
{
return b->priority - a->priority;
}
PurpleCmdId purple_cmd_register(const gchar *cmd, const gchar *args,
PurpleCmdPriority p, PurpleCmdFlag f,
const gchar *protocol_id, PurpleCmdFunc func,
const gchar *helpstr, void *data)
{
PurpleCmdId id;
PurpleCmd *c;
g_return_val_if_fail(cmd != NULL && *cmd != '\0', 0);
g_return_val_if_fail(args != NULL, 0);
g_return_val_if_fail(func != NULL, 0);
id = next_id++;
c = g_new0(PurpleCmd, 1);
c->id = id;
c->cmd = g_strdup(cmd);
c->args = g_strdup(args);
c->priority = p;
c->flags = f;
c->protocol_id = g_strdup(protocol_id);
c->func = func;
c->help = g_strdup(helpstr);
c->data = data;
cmds = g_list_insert_sorted(cmds, c, (GCompareFunc)cmds_compare_func);
purple_signal_emit(purple_cmds_get_handle(), "cmd-added", cmd, p, f);
return id;
}
static void purple_cmd_free(PurpleCmd *c)
{
g_free(c->cmd);
g_free(c->args);
g_free(c->protocol_id);
g_free(c->help);
g_free(c);
}
static gint
purple_cmd_cmp_id(gconstpointer cmd, gconstpointer id)
{
return ((PurpleCmd *)cmd)->id - GPOINTER_TO_UINT(id);
}
void purple_cmd_unregister(PurpleCmdId id)
{
PurpleCmd *c;
GList *l;
l = g_list_find_custom(cmds, GUINT_TO_POINTER(id), purple_cmd_cmp_id);
if (!l) {
return;
}
c = l->data;
cmds = g_list_delete_link(cmds, l);
purple_signal_emit(purple_cmds_get_handle(), "cmd-removed", c->cmd);
purple_cmd_free(c);
}
/*
* This sets args to a NULL-terminated array of strings. It should
* be freed using g_strfreev().
*/
static gboolean purple_cmd_parse_args(PurpleCmd *cmd, const gchar *s, const gchar *m, gchar ***args)
{
int i;
const char *end, *cur;
*args = g_new0(char *, strlen(cmd->args) + 1);
cur = s;
for (i = 0; cmd->args[i]; i++) {
if (!*cur)
return (cmd->flags & PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS);
switch (cmd->args[i]) {
case 'w':
if (!(end = strchr(cur, ' '))) {
end = cur + strlen(cur);
(*args)[i] = g_strndup(cur, end - cur);
cur = end;
} else {
(*args)[i] = g_strndup(cur, end - cur);
cur = end + 1;
}
break;
case 'W':
if (!(end = strchr(cur, ' '))) {
end = cur + strlen(cur);
(*args)[i] = purple_markup_slice(m, g_utf8_pointer_to_offset(s, cur), g_utf8_pointer_to_offset(s, end));
cur = end;
} else {
(*args)[i] = purple_markup_slice(m, g_utf8_pointer_to_offset(s, cur), g_utf8_pointer_to_offset(s, end));
cur = end +1;
}
break;
case 's':
(*args)[i] = g_strdup(cur);
cur = cur + strlen(cur);
break;
case 'S':
(*args)[i] = purple_markup_slice(m, g_utf8_pointer_to_offset(s, cur), g_utf8_strlen(cur, -1) + 1);
cur = cur + strlen(cur);
break;
}
}
if (*cur)
return (cmd->flags & PURPLE_CMD_FLAG_ALLOW_WRONG_ARGS);
return TRUE;
}
static void purple_cmd_strip_current_char(gunichar c, char *s, guint len)
{
int bytes;
bytes = g_unichar_to_utf8(c, NULL);
memmove(s, s + bytes, len + 1 - bytes);
}
static void purple_cmd_strip_cmd_from_markup(char *markup)
{
guint len = strlen(markup);
char *s = markup;
while (*s) {
gunichar c = g_utf8_get_char(s);
if (c == '<') {
s = strchr(s, '>');
if (!s)
return;
} else if (g_unichar_isspace(c)) {
purple_cmd_strip_current_char(c, s, len - (s - markup));
return;
} else {
purple_cmd_strip_current_char(c, s, len - (s - markup));
continue;
}
s = g_utf8_next_char(s);
}
}
static gboolean
is_right_type(G_GNUC_UNUSED PurpleCmd *cmd,
G_GNUC_UNUSED PurpleConversation *conv)
{
return FALSE;
}
static gboolean
is_right_protocol(PurpleCmd *cmd, PurpleConversation *conv)
{
const gchar *protocol_id = purple_account_get_protocol_id(purple_conversation_get_account(conv));
return !(cmd->flags & PURPLE_CMD_FLAG_PROTOCOL_ONLY)
|| purple_strequal(cmd->protocol_id, protocol_id);
}
PurpleCmdStatus purple_cmd_do_command(PurpleConversation *conv, const gchar *cmdline,
const gchar *markup, gchar **error)
{
gchar *err = NULL;
gboolean found = FALSE, tried_cmd = FALSE, right_type = FALSE, right_protocol = FALSE;
gchar *cmd, *rest, *mrest;
PurpleCmdRet ret = PURPLE_CMD_RET_CONTINUE;
*error = NULL;
rest = strchr(cmdline, ' ');
if (rest) {
cmd = g_strndup(cmdline, rest - cmdline);
rest++;
} else {
cmd = g_strdup(cmdline);
rest = "";
}
mrest = g_strdup(markup);
purple_cmd_strip_cmd_from_markup(mrest);
for (GList *l = cmds; l; l = l->next) {
PurpleCmd *c = l->data;
gchar **args = NULL;
if (!purple_strequal(c->cmd, cmd))
continue;
found = TRUE;
if (!is_right_type(c, conv)) {
continue;
}
right_type = TRUE;
if (!is_right_protocol(c, conv)) {
continue;
}
right_protocol = TRUE;
/* this checks the allow bad args flag for us */
if (!purple_cmd_parse_args(c, rest, mrest, &args)) {
g_strfreev(args);
continue;
}
tried_cmd = TRUE;
ret = c->func(conv, cmd, args, &err, c->data);
g_strfreev(args);
if (ret == PURPLE_CMD_RET_CONTINUE) {
g_free(err);
err = NULL;
continue;
}
break;
}
g_free(cmd);
g_free(mrest);
if (!found)
return PURPLE_CMD_STATUS_NOT_FOUND;
if (!right_type)
return PURPLE_CMD_STATUS_WRONG_TYPE;
if (!right_protocol)
return PURPLE_CMD_STATUS_WRONG_PROTOCOL;
if (!tried_cmd)
return PURPLE_CMD_STATUS_WRONG_ARGS;
if (ret != PURPLE_CMD_RET_OK) {
*error = err;
if (ret == PURPLE_CMD_RET_CONTINUE)
return PURPLE_CMD_STATUS_NOT_FOUND;
else
return PURPLE_CMD_STATUS_FAILED;
}
return PURPLE_CMD_STATUS_OK;
}
gboolean purple_cmd_execute(PurpleCmdId id, PurpleConversation *conv,
const gchar *cmdline)
{
PurpleCmd *cmd = NULL;
PurpleCmdRet ret = PURPLE_CMD_RET_CONTINUE;
GList *l = NULL;
gchar *err = NULL;
gchar **args = NULL;
l = g_list_find_custom(cmds, GUINT_TO_POINTER(id), purple_cmd_cmp_id);
if (!l) {
return FALSE;
}
cmd = l->data;
if (!is_right_type(cmd, conv)) {
return FALSE;
}
/* XXX: Don't worry much about the markup version of the command
line, there's not a single use case... */
/* this checks the allow bad args flag for us */
if (!purple_cmd_parse_args(cmd, cmdline, cmdline, &args)) {
g_strfreev(args);
return FALSE;
}
ret = cmd->func(conv, cmd->cmd, args, &err, cmd->data);
g_free(err);
g_strfreev(args);
return ret == PURPLE_CMD_RET_OK;
}
GList *purple_cmd_list(PurpleConversation *conv)
{
GList *ret = NULL;
for (GList *l = cmds; l; l = l->next) {
PurpleCmd *c = l->data;
if (conv && (!is_right_type(c, conv) || !is_right_protocol(c, conv))) {
continue;
}
ret = g_list_append(ret, c->cmd);
}
ret = g_list_sort(ret, (GCompareFunc)strcmp);
return ret;
}
GList *purple_cmd_help(PurpleConversation *conv, const gchar *cmd)
{
GList *ret = NULL;
for (GList *l = cmds; l; l = l->next) {
PurpleCmd *c = l->data;
if (cmd && !purple_strequal(cmd, c->cmd))
continue;
if (conv && (!is_right_type(c, conv) || !is_right_protocol(c, conv))) {
continue;
}
ret = g_list_append(ret, c->help);
}
ret = g_list_sort(ret, (GCompareFunc)strcmp);
return ret;
}
gpointer purple_cmds_get_handle(void)
{
static int handle;
return &handle;
}
void purple_cmds_init(void)
{
gpointer handle = purple_cmds_get_handle();
purple_signal_register(handle, "cmd-added",
purple_marshal_VOID__POINTER_INT_INT, G_TYPE_NONE, 3,
G_TYPE_STRING, G_TYPE_INT, G_TYPE_INT);
purple_signal_register(handle, "cmd-removed",
purple_marshal_VOID__POINTER, G_TYPE_NONE, 1,
G_TYPE_STRING);
}
void purple_cmds_uninit(void)
{
purple_signals_unregister_by_instance(purple_cmds_get_handle());
g_clear_list(&cmds, (GDestroyNotify)purple_cmd_free);
}