1 files changed, 124 insertions, 0 deletions
diff --git a/camel/data-wrapper-repository.c b/camel/data-wrapper-repository.c
new file mode 100644
index 0000000000..147a92b831
--- /dev/null
+++ b/camel/data-wrapper-repository.c
@@ -0,0 +1,124 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
+
+/* 
+ *
+ * Copyright (C) 1999 Bertrand Guiheneuf <Bertrand.Guiheneuf@aful.org> .
+ *
+ * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
+ * USA
+ */
+
+
+
+
+#include "data-wrapper-repository.h"
+#include "camel-multipart.h"
+
+
+
+static DataWrapperRepository _repository;
+static _initialized = -1;
+GMimeContentField *_content_field;
+
+
+
+/**
+ * data_wrapper_repository_init: initialize data wrapper repository 
+ * 
+ * initialize the data wrapper repository. When the repository has
+ * already been initialized, returns -1. 
+ * 
+ * Return value: 1 if correctly initialized returns -1.
+ **/
+gint 
+data_wrapper_repository_init ()
+{
+	if (_initialized != -1) return -1;
+	_repository.mime_links = g_hash_table_new (g_str_hash, g_str_equal);
+	data_wrapper_set_data_wrapper_type ("multipart", camel_multipart_get_type());
+	_content_field = gmime_content_field_new (NULL, NULL);
+	_initialized = 1;
+	return 1;
+}
+
+/**
+ * data_wrapper_set_data_wrapper_type: associate a data wrapper object type to a mime type
+ * @mime_type: mime type
+ * @object_type: object type
+ * 
+ * Associate an object type to a mime type. 
+ **/
+void
+data_wrapper_set_data_wrapper_type (const gchar *mime_type, GtkType object_type)
+{
+	gboolean already_exists;
+	gchar *old_mime_type;
+	GtkType old_gtk_type;
+	
+	already_exists = g_hash_table_lookup_extended (_repository.mime_links, (gpointer)mime_type,
+						       (gpointer)&old_mime_type, (gpointer)&old_gtk_type);
+	if (already_exists) 
+		g_hash_table_insert (_repository.mime_links, (gpointer)old_mime_type, (gpointer)object_type);
+	else
+		g_hash_table_insert (_repository.mime_links, (gpointer)g_strdup (mime_type), (gpointer)object_type);
+}
+
+
+
+/**
+ * data_wrapper_get_data_wrapper_type: get the gtk type object associated to a mime type
+ * @mime_type: mime type
+ * 
+ * returns the GtkType of the data wrapper object associated to 
+ * a particular mime type. The mime type must be a character string
+ * of the form "type/subtype" or simply "type". When the complete
+ * mime type ("type/subtype") is not associated to any particular 
+ * data wrapper object, this routine looks for a default data wrapper
+ * for the main mime type ("type"). When no particular association is
+ * found for this mime type, the type of the SimpleDataWrapper is 
+ * returned. 
+ * 
+ * 
+ * Return value: the associated data wrapper object type.
+ **/
+GtkType 
+data_wrapper_get_data_wrapper_type (const gchar *mime_type)
+{
+	gboolean exists;
+	gchar *old_mime_type;
+	GtkType gtk_type;
+	
+	/* find if the complete mime type exists */
+	exists = g_hash_table_lookup_extended (_repository.mime_links, (gpointer)mime_type,
+						       (gpointer)&old_mime_type, (gpointer)&gtk_type);
+	if (exists) /* the complete mime type exists, return it */
+		return gtk_type;
+	else { 
+		/* the complete mime type association does not exists */
+		/* is there an association for the main mime type ?   */
+		gmime_content_field_construct_from_string (_content_field, mime_type);
+		exists = g_hash_table_lookup_extended (_repository.mime_links, (gpointer)(_content_field->type),
+						       (gpointer)&old_mime_type, (gpointer)&gtk_type);
+		
+		if (exists) /* the main mime type association exists */
+			return gtk_type;
+		else return camel_simple_data_wrapper_get_type();
+	}
+
+			
+		
+
+}
+