--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/glib/libgobject/src/gtypemodule.c Tue Feb 02 02:01:42 2010 +0200
@@ -0,0 +1,458 @@
+/* GObject - GLib Type, Object, Parameter and Signal Library
+ * Copyright (C) 2000 Red Hat, Inc.
+ * Portions copyright (c) 2006 Nokia Corporation. All rights reserved.
+ *
+ * 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, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include <stdlib.h>
+
+#include "gtypeplugin.h"
+#include "gtypemodule.h"
+#include "gobjectalias.h"
+
+#ifdef __SYMBIAN32__
+#include <gobject_wsd.h>
+#endif /* __SYMBIAN32__ */
+
+typedef struct _ModuleTypeInfo ModuleTypeInfo;
+typedef struct _ModuleInterfaceInfo ModuleInterfaceInfo;
+
+struct _ModuleTypeInfo
+{
+ gboolean loaded;
+ GType type;
+ GType parent_type;
+ GTypeInfo info;
+};
+
+struct _ModuleInterfaceInfo
+{
+ gboolean loaded;
+ GType instance_type;
+ GType interface_type;
+ GInterfaceInfo info;
+};
+
+static void g_type_module_use_plugin (GTypePlugin *plugin);
+static void g_type_module_complete_type_info (GTypePlugin *plugin,
+ GType g_type,
+ GTypeInfo *info,
+ GTypeValueTable *value_table);
+static void g_type_module_complete_interface_info (GTypePlugin *plugin,
+ GType instance_type,
+ GType interface_type,
+ GInterfaceInfo *info);
+
+#if EMULATOR
+
+PLS(parent_class ,gtypemodule,gpointer)
+#define parent_class (*FUNCTION_NAME(parent_class,gtypemodule)())
+
+#else
+
+static gpointer parent_class = NULL;
+
+#endif /* EMULATOR*/
+static void
+g_type_module_dispose (GObject *object)
+{
+ GTypeModule *module = G_TYPE_MODULE (object);
+
+ if (module->type_infos || module->interface_infos)
+ {
+ g_warning (G_STRLOC ": unsolicitated invocation of g_object_dispose() on GTypeModule");
+
+ g_object_ref (object);
+ }
+
+ G_OBJECT_CLASS (parent_class)->dispose (object);
+}
+
+static void
+g_type_module_finalize (GObject *object)
+{
+ GTypeModule *module = G_TYPE_MODULE (object);
+
+ g_free (module->name);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+g_type_module_class_init (GTypeModuleClass *class)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (class);
+
+ parent_class = G_OBJECT_CLASS (g_type_class_peek_parent (class));
+
+ gobject_class->dispose = g_type_module_dispose;
+ gobject_class->finalize = g_type_module_finalize;
+}
+
+static void
+g_type_module_iface_init (GTypePluginClass *iface)
+{
+ iface->use_plugin = g_type_module_use_plugin;
+ iface->unuse_plugin = (void (*) (GTypePlugin *))g_type_module_unuse;
+ iface->complete_type_info = g_type_module_complete_type_info;
+ iface->complete_interface_info = g_type_module_complete_interface_info;
+}
+
+#if EMULATOR
+
+PLS(type_module_type,g_type_module_get_type ,GType)
+#define type_module_type (*FUNCTION_NAME(type_module_type,g_type_module_get_type )())
+
+#endif /* EMULATOR */
+
+
+EXPORT_C GType
+g_type_module_get_type (void)
+{
+ #if !(EMULATOR)
+ static GType type_module_type = 0;
+ #endif /* EMULATOR */
+
+ if (!type_module_type)
+ {
+ static const GTypeInfo type_module_info = {
+ sizeof (GTypeModuleClass),
+ NULL, /* base_init */
+ NULL, /* base_finalize */
+ (GClassInitFunc) g_type_module_class_init,
+ NULL, /* class_finalize */
+ NULL, /* class_data */
+ sizeof (GTypeModule),
+ 0, /* n_preallocs */
+ NULL, /* instance_init */
+ };
+ static const GInterfaceInfo iface_info = {
+ (GInterfaceInitFunc) g_type_module_iface_init,
+ NULL, /* interface_finalize */
+ NULL, /* interface_data */
+ };
+
+ type_module_type = g_type_register_static (G_TYPE_OBJECT, g_intern_static_string ("GTypeModule"), &type_module_info, G_TYPE_FLAG_ABSTRACT);
+
+ g_type_add_interface_static (type_module_type, G_TYPE_TYPE_PLUGIN, &iface_info);
+ }
+
+ return type_module_type;
+}
+
+#if EMULATOR
+#undef type_module_type
+#endif /* EMULATOR */
+
+
+EXPORT_C void
+g_type_module_set_name (GTypeModule *module,
+ const gchar *name)
+{
+ g_return_if_fail (G_IS_TYPE_MODULE (module));
+
+ g_free (module->name);
+ module->name = g_strdup (name);
+}
+
+static ModuleTypeInfo *
+g_type_module_find_type_info (GTypeModule *module,
+ GType type)
+{
+ GSList *tmp_list = module->type_infos;
+ while (tmp_list)
+ {
+ ModuleTypeInfo *type_info = tmp_list->data;
+ if (type_info->type == type)
+ return type_info;
+
+ tmp_list = tmp_list->next;
+ }
+
+ return NULL;
+}
+
+static ModuleInterfaceInfo *
+g_type_module_find_interface_info (GTypeModule *module,
+ GType instance_type,
+ GType interface_type)
+{
+ GSList *tmp_list = module->interface_infos;
+ while (tmp_list)
+ {
+ ModuleInterfaceInfo *interface_info = tmp_list->data;
+ if (interface_info->instance_type == instance_type &&
+ interface_info->interface_type == interface_type)
+ return interface_info;
+
+ tmp_list = tmp_list->next;
+ }
+
+ return NULL;
+}
+
+EXPORT_C gboolean
+g_type_module_use (GTypeModule *module)
+{
+ g_return_val_if_fail (G_IS_TYPE_MODULE (module), FALSE);
+
+ module->use_count++;
+ if (module->use_count == 1)
+ {
+ GSList *tmp_list;
+
+ if (!G_TYPE_MODULE_GET_CLASS (module)->load (module))
+ {
+ module->use_count--;
+ return FALSE;
+ }
+
+ tmp_list = module->type_infos;
+ while (tmp_list)
+ {
+ ModuleTypeInfo *type_info = tmp_list->data;
+ if (!type_info->loaded)
+ {
+ g_warning ("plugin '%s' failed to register type '%s'\n",
+ module->name ? module->name : "(unknown)",
+ g_type_name (type_info->type));
+ return FALSE;
+ }
+
+ tmp_list = tmp_list->next;
+ }
+ }
+
+ return TRUE;
+}
+
+EXPORT_C void
+g_type_module_unuse (GTypeModule *module)
+{
+ g_return_if_fail (G_IS_TYPE_MODULE (module));
+ g_return_if_fail (module->use_count > 0);
+
+ module->use_count--;
+
+ if (module->use_count == 0)
+ {
+ GSList *tmp_list;
+
+ G_TYPE_MODULE_GET_CLASS (module)->unload (module);
+
+ tmp_list = module->type_infos;
+ while (tmp_list)
+ {
+ ModuleTypeInfo *type_info = tmp_list->data;
+ type_info->loaded = FALSE;
+
+ tmp_list = tmp_list->next;
+ }
+ }
+}
+
+static void
+g_type_module_use_plugin (GTypePlugin *plugin)
+{
+ GTypeModule *module = G_TYPE_MODULE (plugin);
+
+ if (!g_type_module_use (module))
+ {
+ g_warning ("Fatal error - Could not reload previously loaded plugin '%s'\n",
+ module->name ? module->name : "(unknown)");
+ exit (1);
+ }
+}
+
+static void
+g_type_module_complete_type_info (GTypePlugin *plugin,
+ GType g_type,
+ GTypeInfo *info,
+ GTypeValueTable *value_table)
+{
+ GTypeModule *module = G_TYPE_MODULE (plugin);
+ ModuleTypeInfo *module_type_info = g_type_module_find_type_info (module, g_type);
+
+ *info = module_type_info->info;
+
+ if (module_type_info->info.value_table)
+ *value_table = *module_type_info->info.value_table;
+}
+
+static void
+g_type_module_complete_interface_info (GTypePlugin *plugin,
+ GType instance_type,
+ GType interface_type,
+ GInterfaceInfo *info)
+{
+ GTypeModule *module = G_TYPE_MODULE (plugin);
+ ModuleInterfaceInfo *module_interface_info = g_type_module_find_interface_info (module, instance_type, interface_type);
+
+ *info = module_interface_info->info;
+}
+
+EXPORT_C GType
+g_type_module_register_type (GTypeModule *module,
+ GType parent_type,
+ const gchar *type_name,
+ const GTypeInfo *type_info,
+ GTypeFlags flags)
+{
+ ModuleTypeInfo *module_type_info = NULL;
+ GType type;
+
+ g_return_val_if_fail (module != NULL, 0);
+ g_return_val_if_fail (type_name != NULL, 0);
+ g_return_val_if_fail (type_info != NULL, 0);
+
+ type = g_type_from_name (type_name);
+ if (type)
+ {
+ GTypePlugin *old_plugin = g_type_get_plugin (type);
+
+ if (old_plugin != G_TYPE_PLUGIN (module))
+ {
+ g_warning ("Two different plugins tried to register '%s'.", type_name);
+ return 0;
+ }
+ }
+
+ if (type)
+ {
+ module_type_info = g_type_module_find_type_info (module, type);
+
+ if (module_type_info->parent_type != parent_type)
+ {
+ const gchar *parent_type_name = g_type_name (parent_type);
+
+ g_warning ("Type '%s' recreated with different parent type.\n"
+ "(was '%s', now '%s')", type_name,
+ g_type_name (module_type_info->parent_type),
+ parent_type_name ? parent_type_name : "(unknown)");
+ return 0;
+ }
+
+ if (module_type_info->info.value_table)
+ g_free ((GTypeValueTable *) module_type_info->info.value_table);
+ }
+ else
+ {
+ module_type_info = g_new (ModuleTypeInfo, 1);
+
+ module_type_info->parent_type = parent_type;
+ module_type_info->type = g_type_register_dynamic (parent_type, type_name, G_TYPE_PLUGIN (module), flags);
+
+ module->type_infos = g_slist_prepend (module->type_infos, module_type_info);
+ }
+
+ module_type_info->loaded = TRUE;
+ module_type_info->info = *type_info;
+ if (type_info->value_table)
+ module_type_info->info.value_table = g_memdup (type_info->value_table,
+ sizeof (type_info->value_table));
+
+ return module_type_info->type;
+}
+
+EXPORT_C void
+g_type_module_add_interface (GTypeModule *module,
+ GType instance_type,
+ GType interface_type,
+ const GInterfaceInfo *interface_info)
+{
+ ModuleInterfaceInfo *module_interface_info = NULL;
+
+ g_return_if_fail (module != NULL);
+ g_return_if_fail (interface_info != NULL);
+
+ if (g_type_is_a (instance_type, interface_type))
+ {
+ GTypePlugin *old_plugin = g_type_interface_get_plugin (instance_type,
+ interface_type);
+
+ if (!old_plugin)
+ {
+ g_warning ("Interface '%s' for '%s' was previously registered statically or for a parent type.",
+ g_type_name (interface_type), g_type_name (instance_type));
+ return;
+ }
+ else if (old_plugin != G_TYPE_PLUGIN (module))
+ {
+ g_warning ("Two different plugins tried to register interface '%s' for '%s'.",
+ g_type_name (interface_type), g_type_name (instance_type));
+ return;
+ }
+
+ module_interface_info = g_type_module_find_interface_info (module, instance_type, interface_type);
+
+ g_assert (module_interface_info);
+ }
+ else
+ {
+ module_interface_info = g_new (ModuleInterfaceInfo, 1);
+
+ module_interface_info->instance_type = instance_type;
+ module_interface_info->interface_type = interface_type;
+
+ g_type_add_interface_dynamic (instance_type, interface_type, G_TYPE_PLUGIN (module));
+
+ module->interface_infos = g_slist_prepend (module->interface_infos, module_interface_info);
+ }
+
+ module_interface_info->loaded = TRUE;
+ module_interface_info->info = *interface_info;
+}
+
+EXPORT_C GType
+g_type_module_register_enum (GTypeModule *module,
+ const gchar *name,
+ const GEnumValue *const_static_values)
+{
+ GTypeInfo enum_type_info = { 0, };
+
+ g_return_val_if_fail (G_IS_TYPE_MODULE (module), 0);
+ g_return_val_if_fail (name != NULL, 0);
+ g_return_val_if_fail (const_static_values != NULL, 0);
+
+ g_enum_complete_type_info (G_TYPE_ENUM,
+ &enum_type_info, const_static_values);
+
+ return g_type_module_register_type (G_TYPE_MODULE (module),
+ G_TYPE_ENUM, name, &enum_type_info, 0);
+}
+
+EXPORT_C GType
+g_type_module_register_flags (GTypeModule *module,
+ const gchar *name,
+ const GFlagsValue *const_static_values)
+{
+ GTypeInfo flags_type_info = { 0, };
+
+ g_return_val_if_fail (G_IS_TYPE_MODULE (module), 0);
+ g_return_val_if_fail (name != NULL, 0);
+ g_return_val_if_fail (const_static_values != NULL, 0);
+
+ g_flags_complete_type_info (G_TYPE_FLAGS,
+ &flags_type_info, const_static_values);
+
+ return g_type_module_register_type (G_TYPE_MODULE (module),
+ G_TYPE_FLAGS, name, &flags_type_info, 0);
+}
+
+
+#define __G_TYPE_MODULE_C__
+#include "gobjectaliasdef.c"