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-rw-r--r--shell/e-component-info.c295
1 files changed, 295 insertions, 0 deletions
diff --git a/shell/e-component-info.c b/shell/e-component-info.c
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+/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */
+/* e-component-info.c - Load/save information about Evolution components.
+ *
+ * Copyright (C) 2002 Ximian, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ * Author: Ettore Perazzoli <ettore@ximian.com>
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "e-component-info.h"
+
+#include "e-util/e-lang-utils.h"
+
+#include <gnome-xml/parser.h>
+#include <gnome-xml/xmlmemory.h>
+
+#include <string.h>
+#include <stdlib.h>
+
+
+static char *
+get_value_for_node (xmlNode *node)
+{
+ xmlChar *xml_value;
+ char *glib_value;
+
+ xml_value = xmlNodeGetContent (node);
+ glib_value = g_strdup (xml_value);
+ xmlFree (xml_value);
+
+ return glib_value;
+}
+
+static xmlNode *
+lookup_node (xmlNode *parent_node,
+ const char *node_name)
+{
+ xmlNode *p;
+
+ for (p = parent_node->childs; p != NULL; p = p->next) {
+ if (strcmp ((const char *) p->name, node_name) == 0)
+ return p;
+ }
+
+ return NULL;
+}
+
+static char *
+get_value (xmlNode *parent_node,
+ const char *node_name)
+{
+ xmlNode *node;
+
+ node = lookup_node (parent_node, node_name);
+ if (node == NULL)
+ return NULL;
+
+ return get_value_for_node (node);
+}
+
+static xmlNode *
+lookup_node_for_language (xmlNode *parent_node,
+ const char *node_name,
+ const char *language_id)
+{
+ xmlNode *p;
+
+ for (p = parent_node->childs; p != NULL; p = p->next) {
+ xmlChar *node_language_id;
+
+ if (strcmp ((const char *) p->name, node_name) != 0)
+ continue;
+
+ node_language_id = xmlNodeGetLang (p);
+ if (node_language_id == NULL)
+ continue;
+
+ if (strcmp (node_language_id, language_id) == 0) {
+ xmlFree (node_language_id);
+ return p;
+ }
+ }
+
+ return NULL;
+}
+
+static char *
+get_i18n_value (xmlNode *parent_node,
+ const char *node_name,
+ GSList *language_list)
+{
+ GSList *p;
+
+ for (p = language_list; p != NULL; p = p->next) {
+ xmlNode *node;
+ const char *language_id;
+
+ language_id = (const char *) p->data;
+ node = lookup_node_for_language (parent_node, node_name, language_id);
+
+ if (node == NULL && language_id[2] == '_') {
+ char short_language_id[3];
+
+ strncpy (short_language_id, language_id, 2);
+ node = lookup_node_for_language (parent_node, node_name, short_language_id);
+ }
+
+ if (node != NULL) {
+ xmlChar *xml_value;
+ char *glib_value;
+
+ xml_value = xmlNodeGetContent (node);
+ glib_value = g_strdup (xml_value);
+ xmlFree (xml_value);
+
+ return glib_value;
+ }
+ }
+
+ return get_value (parent_node, node_name);
+}
+
+
+static void
+add_folder_type (EComponentInfo *info,
+ xmlNode *parent_node,
+ GSList *language_list)
+{
+ EComponentInfoFolderType *folder_type;
+ char *user_creatable_string;
+
+ folder_type = g_new (EComponentInfoFolderType, 1);
+
+ folder_type->name = get_value (parent_node, "name");
+ folder_type->icon_file_name = get_value (parent_node, "icon_file_name");
+ folder_type->display_name = get_i18n_value (parent_node, "display_name", language_list);
+ folder_type->description = get_i18n_value (parent_node, "description", language_list);
+
+ /* FIXME dnd types. */
+
+ folder_type->accepted_dnd_types = NULL;
+ folder_type->exported_dnd_types = NULL;
+
+ user_creatable_string = get_value (parent_node, "user_creatable");
+ if (user_creatable_string == NULL || atoi (user_creatable_string) == 0)
+ folder_type->is_user_creatable = FALSE;
+ else
+ folder_type->is_user_creatable = TRUE;
+
+ info->folder_types = g_slist_prepend (info->folder_types, folder_type);
+}
+
+static void
+add_user_creatable_item_type (EComponentInfo *info,
+ xmlNode *parent_node,
+ GSList *language_list)
+{
+ EComponentInfoUserCreatableItemType *type;
+
+ type = g_new (EComponentInfoUserCreatableItemType, 1);
+
+ type->id = get_value (parent_node, "id");
+ type->description = get_i18n_value (parent_node, "description", language_list);
+ type->icon_file_name = get_value (parent_node, "icon_file_name");
+ type->menu_description = get_i18n_value (parent_node, "menu_description", language_list);
+ type->menu_shortcut = get_value (parent_node, "menu_shortcut");
+
+ info->user_creatable_item_types = g_slist_prepend (info->user_creatable_item_types, type);
+}
+
+static void
+add_uri_schema (EComponentInfo *info,
+ xmlNode *parent_node)
+{
+ info->uri_schemas = g_slist_prepend (info->uri_schemas, get_value_for_node (parent_node));
+}
+
+
+EComponentInfo *
+e_component_info_load (const char *file_name)
+{
+ EComponentInfo *new;
+ xmlDoc *doc;
+ xmlNode *root;
+ xmlNode *p;
+ GSList *language_list;
+
+ g_return_val_if_fail (file_name != NULL, NULL);
+
+ doc = xmlParseFile (file_name);
+ if (doc == NULL)
+ return NULL;
+
+ root = xmlDocGetRootElement (doc);
+ if (root == NULL || strcmp (root->name, "evolution_component") != 0) {
+ xmlFreeDoc (doc);
+ return NULL;
+ }
+
+ language_list = e_get_language_list ();
+
+ new = g_new (EComponentInfo, 1);
+
+ new->id = get_value (root, "id");
+ new->description = get_i18n_value (root, "description", language_list);
+ new->icon_file_name = get_value (root, "icon_file_name");
+
+ new->folder_types = NULL;
+ new->uri_schemas = NULL;
+ new->user_creatable_item_types = NULL;
+
+ for (p = root->childs; p != NULL; p = p->next) {
+ if (strcmp ((char *) p->name, "folder_type") == 0)
+ add_folder_type (new, p, language_list);
+ else if (strcmp ((char *) p->name, "user_creatable_item_type") == 0)
+ add_user_creatable_item_type (new, p, language_list);
+ else if (strcmp ((char *) p->name, "uri_schema") == 0)
+ add_uri_schema (new, p);
+ }
+
+ xmlFreeDoc (doc);
+ e_free_language_list (language_list);
+
+ return new;
+}
+
+void
+e_component_info_free (EComponentInfo *component_info)
+{
+ GSList *p;
+
+ g_return_if_fail (component_info != NULL);
+
+ g_free (component_info->id);
+ g_free (component_info->description);
+ g_free (component_info->icon_file_name);
+
+ for (p = component_info->folder_types; p != NULL; p = p->next) {
+ EComponentInfoFolderType *folder_type;
+ GSList *q;
+
+ folder_type = (EComponentInfoFolderType *) p->data;
+ g_free (folder_type->name);
+ g_free (folder_type->icon_file_name);
+ g_free (folder_type->display_name);
+ g_free (folder_type->description);
+
+ for (q = folder_type->accepted_dnd_types; q != NULL; q = q->next)
+ g_free ((char *) q->data);
+ g_slist_free (folder_type->accepted_dnd_types);
+
+ for (q = folder_type->exported_dnd_types; q != NULL; q = q->next)
+ g_free ((char *) q->data);
+ g_slist_free (folder_type->exported_dnd_types);
+
+ g_free (folder_type);
+ }
+ g_free (component_info->folder_types);
+
+ for (p = component_info->uri_schemas; p != NULL; p = p->next)
+ g_free ((char *) p->data);
+ g_slist_free (component_info->uri_schemas);
+
+ for (p = component_info->user_creatable_item_types; p != NULL; p = p->next) {
+ EComponentInfoUserCreatableItemType *type;
+
+ type = (EComponentInfoUserCreatableItemType *) p->data;
+
+ g_free (type->id);
+ g_free (type->description);
+ g_free (type->icon_file_name);
+ g_free (type->menu_description);
+ g_free (type->menu_shortcut);
+ }
+ g_slist_free (component_info->user_creatable_item_types);
+
+ g_free (component_info);
+}