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-rw-r--r--camel/camel-data-wrapper.c348
1 files changed, 0 insertions, 348 deletions
diff --git a/camel/camel-data-wrapper.c b/camel/camel-data-wrapper.c
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-/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
-/* camelDataWrapper.c : Abstract class for a data_wrapper */
-
-/** THIS IS MOSTLY AN ABSTRACT CLASS THAT SHOULD HAVE BEEN AN
- INTERFACE. **/
-
-/*
- *
- * 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 <config.h>
-#include "camel-data-wrapper.h"
-#include "camel-log.h"
-
-static GtkObjectClass *parent_class=NULL;
-
-/* Returns the class for a CamelDataWrapper */
-#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (GTK_OBJECT(so)->klass)
-
-
-static void _set_input_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
-static CamelStream *_get_input_stream (CamelDataWrapper *data_wrapper);
-static void _set_output_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
-static CamelStream *_get_output_stream (CamelDataWrapper *data_wrapper);
-
-static void _construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
-static void _write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream);
-static void _set_mime_type (CamelDataWrapper *data_wrapper, const gchar *mime_type);
-static gchar *_get_mime_type (CamelDataWrapper *data_wrapper);
-static GMimeContentField *_get_mime_type_field (CamelDataWrapper *data_wrapper);
-static void _set_mime_type_field (CamelDataWrapper *data_wrapper, GMimeContentField *mime_type);
-static CamelStream *_get_stream (CamelDataWrapper *data_wrapper);
-static void _finalize (GtkObject *object);
-
-static void
-camel_data_wrapper_class_init (CamelDataWrapperClass *camel_data_wrapper_class)
-{
- GtkObjectClass *gtk_object_class = GTK_OBJECT_CLASS (camel_data_wrapper_class);
-
- parent_class = gtk_type_class (gtk_object_get_type ());
-
- /* virtual method definition */
- camel_data_wrapper_class->write_to_stream = _write_to_stream;
- camel_data_wrapper_class->construct_from_stream = _construct_from_stream;
- camel_data_wrapper_class->set_mime_type = _set_mime_type;
- camel_data_wrapper_class->get_mime_type = _get_mime_type;
- camel_data_wrapper_class->get_mime_type_field = _get_mime_type_field;
- camel_data_wrapper_class->set_mime_type_field = _set_mime_type_field;
- camel_data_wrapper_class->get_stream = _get_stream;
-
- camel_data_wrapper_class->set_input_stream = _set_input_stream;
- camel_data_wrapper_class->get_input_stream = _get_input_stream;
- camel_data_wrapper_class->set_output_stream = _set_output_stream;
- camel_data_wrapper_class->get_output_stream = _get_output_stream;
-
- /* virtual method overload */
- gtk_object_class->finalize = _finalize;
-}
-
-
-
-
-
-static void
-camel_data_wrapper_init (gpointer object, gpointer klass)
-{
- CamelDataWrapper *camel_data_wrapper = CAMEL_DATA_WRAPPER (object);
-
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_init:: Entering\n");
- camel_data_wrapper->mime_type = gmime_content_field_new (NULL, NULL);
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_init:: Leaving\n");
-}
-
-
-
-GtkType
-camel_data_wrapper_get_type (void)
-{
- static GtkType camel_data_wrapper_type = 0;
-
- if (!camel_data_wrapper_type) {
- GtkTypeInfo camel_data_wrapper_info =
- {
- "CamelDataWrapper",
- sizeof (CamelDataWrapper),
- sizeof (CamelDataWrapperClass),
- (GtkClassInitFunc) camel_data_wrapper_class_init,
- (GtkObjectInitFunc) camel_data_wrapper_init,
- /* reserved_1 */ NULL,
- /* reserved_2 */ NULL,
- (GtkClassInitFunc) NULL,
- };
-
- camel_data_wrapper_type = gtk_type_unique (gtk_object_get_type (), &camel_data_wrapper_info);
- }
-
- return camel_data_wrapper_type;
-}
-
-
-static void
-_finalize (GtkObject *object)
-{
- CamelDataWrapper *camel_data_wrapper = CAMEL_DATA_WRAPPER (object);
-
- CAMEL_LOG_FULL_DEBUG ("Entering CamelDataWrapper::finalize\n");
- CAMEL_LOG_FULL_DEBUG ("CamelDataWrapper::finalize, finalizing object %p\n", object);
- if (camel_data_wrapper->mime_type)
- gmime_content_field_unref (camel_data_wrapper->mime_type);
-
- if (camel_data_wrapper->input_stream)
- gtk_object_unref (GTK_OBJECT (camel_data_wrapper->input_stream));
-
- if (camel_data_wrapper->output_stream)
- gtk_object_unref (GTK_OBJECT (camel_data_wrapper->output_stream));
-
- parent_class->finalize (object);
- CAMEL_LOG_FULL_DEBUG ("Leaving CamelDataWrapper::finalize\n");
-}
-
-
-
-
-
-
-static void
-_set_input_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- g_assert (data_wrapper);
- data_wrapper->input_stream = stream;
- if (stream)
- gtk_object_ref (GTK_OBJECT (stream));
-}
-
-
-void
-camel_data_wrapper_set_input_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- g_assert (data_wrapper);
- CDW_CLASS(data_wrapper)->set_input_stream (data_wrapper, stream);
-}
-
-
-
-
-
-static CamelStream *
-_get_input_stream (CamelDataWrapper *data_wrapper)
-{
- g_assert (data_wrapper);
- return (data_wrapper->input_stream);
-}
-
-CamelStream *
-camel_data_wrapper_get_input_stream (CamelDataWrapper *data_wrapper)
-{
- g_assert (data_wrapper);
- return CDW_CLASS(data_wrapper)->get_input_stream (data_wrapper);
-}
-
-
-
-
-static void
-_set_output_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- g_assert (data_wrapper);
- data_wrapper->output_stream = stream;
- if (stream)
- gtk_object_ref (GTK_OBJECT (stream));
-}
-
-void
-camel_data_wrapper_set_output_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- g_assert (data_wrapper);
- CDW_CLASS(data_wrapper)->set_output_stream (data_wrapper, stream);
-}
-
-
-
-
-static CamelStream *
-_get_output_stream (CamelDataWrapper *data_wrapper)
-{
- g_assert (data_wrapper);
- return (data_wrapper->output_stream);
-}
-
-CamelStream *
-camel_data_wrapper_get_output_stream (CamelDataWrapper *data_wrapper)
-{
- g_assert (data_wrapper);
- return CDW_CLASS(data_wrapper)->get_output_stream (data_wrapper);
-}
-
-
-
-
-
-/**
- * _write_to_stream: write data content in a byte stream
- * @data_wrapper: the data wrapper object
- * @stream byte stream where data will be written
- *
- * This method must be overriden by subclasses
- * Data must be written in the bytes stream
- * in a architecture independant fashion.
- * If data is a standard data (for example an jpg image)
- * it must be serialized in the strea exactly as it
- * would be saved on disk. A simple dump of the stream in
- * a file should be sufficient for the data to be
- * re-read by a foreign application.
- *
- **/
-static void
-_write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- /* nothing */
-}
-
-
-/**
- * camel_data_wrapper_write_to_stream: write data in a stream
- * @data_wrapper: the data wrapper object
- * @stream: byte stream where data will be written
- *
- * Write data content in a stream. Data is stored in a machine
- * independant format.
- *
- **/
-void
-camel_data_wrapper_write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_write_to_stream:: Entering\n");
- CDW_CLASS(data_wrapper)->write_to_stream (data_wrapper, stream);
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_write_to_stream:: Leaving\n");
-}
-
-
-
-
-
-
-static void
-_construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- /* nothing */
-}
-
-void
-camel_data_wrapper_construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
-{
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_construct_from_stream:: Entering\n");
- CDW_CLASS(data_wrapper)->construct_from_stream (data_wrapper, stream);
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_construct_from_stream:: Leaving\n");
-}
-
-
-
-static void
-_set_mime_type (CamelDataWrapper *data_wrapper, const gchar *mime_type)
-{
- CAMEL_LOG_FULL_DEBUG ( "CamelDataWrapper::set_mime_type Entering\n");
- g_assert (mime_type);
- gmime_content_field_construct_from_string (data_wrapper->mime_type, mime_type);
- CAMEL_LOG_FULL_DEBUG ( "CamelDataWrapper::set_mime_type Leaving\n");
-}
-
-void
-camel_data_wrapper_set_mime_type (CamelDataWrapper *data_wrapper, const gchar *mime_type)
-{
- CDW_CLASS(data_wrapper)->set_mime_type (data_wrapper, mime_type);
-}
-
-static gchar *
-_get_mime_type (CamelDataWrapper *data_wrapper)
-{
- gchar *mime_type;
-
- mime_type = gmime_content_field_get_mime_type (data_wrapper->mime_type);
- return mime_type;
-}
-
-gchar *
-camel_data_wrapper_get_mime_type (CamelDataWrapper *data_wrapper)
-{
- CAMEL_LOG_FULL_DEBUG ( "camel_data_wrapper_get_mime_type:: Entering before returning\n");
- return CDW_CLASS(data_wrapper)->get_mime_type (data_wrapper);
-}
-
-
-static GMimeContentField *
-_get_mime_type_field (CamelDataWrapper *data_wrapper)
-{
- return data_wrapper->mime_type;
-}
-
-GMimeContentField *
-camel_data_wrapper_get_mime_type_field (CamelDataWrapper *data_wrapper)
-{
- return CDW_CLASS(data_wrapper)->get_mime_type_field (data_wrapper);
-}
-
-
-static void
-_set_mime_type_field (CamelDataWrapper *data_wrapper, GMimeContentField *mime_type)
-{
- if (data_wrapper->mime_type) gmime_content_field_free (data_wrapper->mime_type);
- data_wrapper->mime_type = mime_type;
-}
-
-void
-camel_data_wrapper_set_mime_type_field (CamelDataWrapper *data_wrapper, GMimeContentField *mime_type)
-{
- CDW_CLASS(data_wrapper)->set_mime_type_field (data_wrapper, mime_type);
-}
-
-static CamelStream *
-_get_stream (CamelDataWrapper *data_wrapper)
-{
- /* This needs to be implemented in subclasses. */
- return NULL;
-}
-
-CamelStream *
-camel_data_wrapper_get_stream (CamelDataWrapper *data_wrapper)
-{
- return CDW_CLASS(data_wrapper)->get_stream (data_wrapper);
-}