gplugin/gplugin

flow: Merged <release> '0.26' to <master> ('default').
v0.26
2016-03-03, Gary Kramlich
98178efd03b1
flow: Merged '0.26' to ('default').
/*
* Copyright (C) 2011-2014 Gary Kramlich <grim@reaperworld.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#include "gplugin-perl-loader.h"
#include <EXTERN.h>
#include <perl.h>
/* perl define's _() to something completely different that we don't use. So
* we undef it so that we can use it for gettext.
*/
#undef _
#include <glib/gi18n.h>
/******************************************************************************
* Globals
*****************************************************************************/
static GObjectClass *parent_class = NULL;
static volatile GType type_real = 0;
/* I can't believe I have to use this variable name... */
static PerlInterpreter *my_perl = NULL;
/******************************************************************************
* GPluginLoaderInterface API
*****************************************************************************/
static GSList *
gplugin_perl_loader_class_supported_extensions(const GPluginLoaderClass *klass) {
return g_slist_append(NULL, "pl");
}
static GPluginPlugin *
gplugin_perl_loader_query(GPluginLoader *loader,
const gchar *filename,
GError **error)
{
const gchar *args[] = { "", filename };
gchar **argv = (gchar **)args;
gint argc = 2;
perl_parse(my_perl, NULL, argc, argv, NULL);
call_argv("gplugin_plugin_query", G_DISCARD | G_NOARGS, argv);
return NULL;
}
static gboolean
gplugin_perl_loader_load(GPluginLoader *loader,
GPluginPlugin *plugin,
GError **error)
{
return FALSE;
}
static gboolean
gplugin_perl_loader_unload(GPluginLoader *loader,
GPluginPlugin *plugin,
GError **error)
{
return FALSE;
}
/******************************************************************************
* Perl Stuff
*****************************************************************************/
static void
gplugin_perl_loader_init_perl(void) {
gchar *args[] = { "", };
gchar **argv = (gchar **)args;
gint argc = 1;
PERL_SYS_INIT(&argc, &argv);
my_perl = perl_alloc();
PERL_SET_CONTEXT(my_perl);
PL_perl_destruct_level = 1;
perl_construct(my_perl);
}
static void
gplugin_perl_loader_uninit_perl(void) {
PERL_SYS_TERM();
perl_destruct(my_perl);
perl_free(my_perl);
my_perl = NULL;
}
/******************************************************************************
* Object Stuff
*****************************************************************************/
static void
gplugin_perl_loader_class_init(GPluginPerlLoaderClass *klass) {
GPluginLoaderClass *loader_class = GPLUGIN_LOADER_CLASS(klass);
parent_class = g_type_class_peek_parent(klass);
loader_class->supported_extensions =
gplugin_perl_loader_class_supported_extensions;
loader_class->query = gplugin_perl_loader_query;
loader_class->load = gplugin_perl_loader_load;
loader_class->unload = gplugin_perl_loader_unload;
/* perl initialization */
gplugin_perl_loader_init_perl();
}
static void
gplugin_perl_loader_class_finalize(GPluginPerlLoaderClass *klass,
gpointer class_data)
{
/* perl uninitialization */
gplugin_perl_loader_uninit_perl();
}
/******************************************************************************
* API
*****************************************************************************/
void
gplugin_perl_loader_register(GPluginNativePlugin *plugin) {
if(g_once_init_enter(&type_real)) {
GType type = 0;
static const GTypeInfo info = {
.class_size = sizeof(GPluginPerlLoaderClass),
.class_init = (GClassInitFunc)gplugin_perl_loader_class_init,
.class_finalize = (GClassFinalizeFunc)gplugin_perl_loader_class_finalize,
.instance_size = sizeof(GPluginPerlLoader),
};
type = gplugin_native_plugin_register_type(plugin,
GPLUGIN_TYPE_LOADER,
"GPluginPerlLoader",
&info,
0);
g_once_init_leave(&type_real, type);
}
}
GType
gplugin_perl_loader_get_type(void) {
if(G_UNLIKELY(type_real == 0)) {
g_warning("gplugin_perl_loader_get_type was called before "
"the type was registered!\n");
}
return type_real;
}