128 lines
4.0 KiB
C
128 lines
4.0 KiB
C
/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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*
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* Author :
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* Bertrand Guiheneuf <bertrand@helixcode.com>
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*
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* Copyright 1999, 2000 HelixCode (http://www.helixcode.com) .
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include "data-wrapper-repository.h"
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#include "camel-multipart.h"
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static DataWrapperRepository _repository;
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static _initialized = -1;
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GMimeContentField *_content_field;
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/**
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* data_wrapper_repository_init: initialize data wrapper repository
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*
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* initialize the data wrapper repository. When the repository has
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* already been initialized, returns -1.
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*
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* Return value: 1 if correctly initialized returns -1.
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**/
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gint
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data_wrapper_repository_init ()
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{
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if (_initialized != -1) return -1;
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_repository.mime_links = g_hash_table_new (g_str_hash, g_str_equal);
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data_wrapper_repository_set_data_wrapper_type ("multipart", camel_multipart_get_type());
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_content_field = gmime_content_field_new (NULL, NULL);
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_initialized = 1;
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return 1;
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}
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/**
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* data_wrapper_repository_set_data_wrapper_type: associate a data wrapper object type to a mime type
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* @mime_type: mime type
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* @object_type: object type
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*
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* Associate an object type to a mime type.
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**/
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void
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data_wrapper_repository_set_data_wrapper_type (const gchar *mime_type, GtkType object_type)
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{
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gboolean already_exists;
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gchar *old_mime_type;
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GtkType old_gtk_type;
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already_exists = g_hash_table_lookup_extended (_repository.mime_links, (gpointer)mime_type,
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(gpointer)&old_mime_type, (gpointer)&old_gtk_type);
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if (already_exists)
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g_hash_table_insert (_repository.mime_links, (gpointer)old_mime_type, (gpointer)object_type);
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else
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g_hash_table_insert (_repository.mime_links, (gpointer)g_strdup (mime_type), (gpointer)object_type);
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}
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/**
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* data_wrapper_repository_get_data_wrapper_type: get the gtk type object associated to a mime type
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* @mime_type: mime type
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*
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* returns the GtkType of the data wrapper object associated to
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* a particular mime type. The mime type must be a character string
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* of the form "type/subtype" or simply "type". When the complete
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* mime type ("type/subtype") is not associated to any particular
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* data wrapper object, this routine looks for a default data wrapper
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* for the main mime type ("type"). When no particular association is
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* found for this mime type, the type of the SimpleDataWrapper is
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* returned.
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*
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*
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* Return value: the associated data wrapper object type.
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**/
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GtkType
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data_wrapper_repository_get_data_wrapper_type (const gchar *mime_type)
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{
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gboolean exists;
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gchar *old_mime_type;
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GtkType gtk_type;
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/* find if the complete mime type exists */
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exists = g_hash_table_lookup_extended (_repository.mime_links, (gpointer)mime_type,
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(gpointer)&old_mime_type, (gpointer)>k_type);
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if (exists) /* the complete mime type exists, return it */
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return gtk_type;
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else {
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/* the complete mime type association does not exists */
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/* is there an association for the main mime type ? */
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gmime_content_field_construct_from_string (_content_field, mime_type);
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exists = g_hash_table_lookup_extended (_repository.mime_links, (gpointer)(_content_field->type),
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(gpointer)&old_mime_type, (gpointer)>k_type);
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if (exists) /* the main mime type association exists */
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return gtk_type;
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else return camel_simple_data_wrapper_get_type();
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}
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}
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