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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
*
* Author :
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright 1999, 2000 HelixCode (http://www.helixcode.com) .
*
* 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_repository_set_data_wrapper_type ("multipart", camel_multipart_get_type());
_content_field = gmime_content_field_new (NULL, NULL);
_initialized = 1;
return 1;
}
/**
* data_wrapper_repository_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_repository_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_repository_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_repository_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)>k_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)>k_type);
if (exists) /* the main mime type association exists */
return gtk_type;
else return camel_simple_data_wrapper_get_type();
}
}
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