/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camelMedium.c : Abstract class for a medium */
/*
*
* Author :
* Bertrand Guiheneuf <bertrand@helixcode.com>
*
* Copyright 1999, 2000 Helix Code, Inc. (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 <config.h>
#include "camel-medium.h"
#include <stdio.h>
#include "gmime-content-field.h"
#include "string-utils.h"
#include "camel-log.h"
#include "gmime-utils.h"
#include "camel-simple-data-wrapper.h"
static CamelDataWrapperClass *parent_class=NULL;
/* Returns the class for a CamelMedium */
#define CM_CLASS(so) CAMEL_MEDIUM_CLASS (GTK_OBJECT(so)->klass)
static void _add_header (CamelMedium *medium, gchar *header_name, gchar *header_value);
static void _remove_header (CamelMedium *medium, const gchar *header_name);
static const gchar *_get_header (CamelMedium *medium, const gchar *header_name);
static CamelDataWrapper *_get_content_object(CamelMedium *medium);
static void _set_content_object(CamelMedium *medium, CamelDataWrapper *content);
static void _finalize (GtkObject *object);
static void
camel_medium_class_init (CamelMediumClass *camel_medium_class)
{
CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS (camel_medium_class);
GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (camel_data_wrapper_class);
parent_class = gtk_type_class (camel_data_wrapper_get_type ());
/* virtual method definition */
camel_medium_class->add_header = _add_header;
camel_medium_class->remove_header = _remove_header;
camel_medium_class->get_header = _get_header;
camel_medium_class->set_content_object = _set_content_object;
camel_medium_class->get_content_object = _get_content_object;
/* virtual method overload */
/* camel_data_wrapper_class->write_to_stream = _write_to_stream; */
/* camel_data_wrapper_class->construct_from_stream = _construct_from_stream; */
gtk_object_class->finalize = _finalize;
}
static void
camel_medium_init (gpointer object, gpointer klass)
{
CamelMedium *camel_medium = CAMEL_MEDIUM (object);
camel_medium->headers = g_hash_table_new (g_str_hash, g_str_equal);
camel_medium->content = NULL;
}
GtkType
camel_medium_get_type (void)
{
static GtkType camel_medium_type = 0;
if (!camel_medium_type) {
GtkTypeInfo camel_medium_info =
{
"CamelMedium",
sizeof (CamelMedium),
sizeof (CamelMediumClass),
(GtkClassInitFunc) camel_medium_class_init,
(GtkObjectInitFunc) camel_medium_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_medium_type = gtk_type_unique (camel_data_wrapper_get_type (), &camel_medium_info);
}
return camel_medium_type;
}
static void
_free_header (gpointer key, gpointer value, gpointer data)
{
g_free (key);
g_free (value);
}
static void
_finalize (GtkObject *object)
{
CamelMedium *medium = CAMEL_MEDIUM (object);
CAMEL_LOG_FULL_DEBUG ("Entering CamelMedium::finalize\n");
if (medium->headers) {
g_hash_table_foreach (medium->headers, _free_header, NULL);
g_hash_table_destroy (medium->headers);
}
GTK_OBJECT_CLASS (parent_class)->finalize (object);
CAMEL_LOG_FULL_DEBUG ("Leaving CamelMedium::finalize\n");
}
/* **** */
static void
_add_header (CamelMedium *medium, gchar *header_name, gchar *header_value)
{
gboolean header_exists;
gchar *old_header_name;
gchar *old_header_value;
header_exists = g_hash_table_lookup_extended (medium->headers, header_name,
(gpointer *) &old_header_name,
(gpointer *) &old_header_value);
/* ghashtables actually dont duplicate key pointers on existing fields,
just remove the old one first always (avoiding this assumption) */
if (header_exists) {
g_hash_table_remove (medium->headers, old_header_name);
#if 1
g_free (old_header_name);
g_free (old_header_value);
#endif
}
g_hash_table_insert (medium->headers, g_strdup (header_name),
g_strdup (header_value));
}
void
camel_medium_add_header (CamelMedium *medium, gchar *header_name, gchar *header_value)
{
CM_CLASS(medium)->add_header(medium, header_name, header_value);
}
/* **** */
static void
_remove_header (CamelMedium *medium, const gchar *header_name)
{
gboolean header_exists;
gchar *old_header_name;
gchar *old_header_value;
header_exists = g_hash_table_lookup_extended (medium->headers, header_name,
(gpointer *) &old_header_name,
(gpointer *) &old_header_value);
if (header_exists) {
g_hash_table_remove (medium->headers, header_name);
g_free (old_header_name);
g_free (old_header_value);
}
}
void
camel_medium_remove_header (CamelMedium *medium, const gchar *header_name)
{
CM_CLASS(medium)->remove_header(medium, header_name);
}
/* **** */
static const gchar *
_get_header (CamelMedium *medium, const gchar *header_name)
{
gchar *header_value;
header_value = (gchar *)g_hash_table_lookup (medium->headers, header_name);
return header_value;
}
const gchar *
camel_medium_get_header (CamelMedium *medium, const gchar *header_name)
{
return CM_CLASS(medium)->get_header (medium, header_name);
}
/* **** */
static CamelDataWrapper *
_get_content_object (CamelMedium *medium)
{
return medium->content;
}
CamelDataWrapper *
camel_medium_get_content_object (CamelMedium *medium)
{
return CM_CLASS(medium)->get_content_object (medium);
}
/* **** */
static void
_set_content_object (CamelMedium *medium, CamelDataWrapper *content)
{
CAMEL_LOG_FULL_DEBUG ("Entering CamelMedium::set_content_object\n");
if (medium->content) {
CAMEL_LOG_FULL_DEBUG ("CamelMedium::set_content_object unreferencing old content object\n");
gtk_object_unref (GTK_OBJECT (medium->content));
}
gtk_object_ref (GTK_OBJECT (content));
medium->content = content;
}
void
camel_medium_set_content_object (CamelMedium *medium, CamelDataWrapper *content)
{
CM_CLASS(medium)->set_content_object (medium, content);
}
/* **** */
