/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* camel-simple-data-wrapper.c : simple implementation of a data wrapper */
/* store the data in a glib byte array */
/*
*
* 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-simple-data-wrapper.h"
#include "camel-simple-data-wrapper-stream.h"
#include "camel-log.h"
static CamelDataWrapperClass *parent_class=NULL;
/* Returns the class for a CamelDataWrapper */
#define CSDW_CLASS(so) CAMEL_SIMPLE_DATA_WRAPPER_CLASS (GTK_OBJECT(so)->klass)
static void my_construct_from_stream (CamelDataWrapper *data_wrapper,
CamelStream *stream);
static void my_write_to_stream (CamelDataWrapper *data_wrapper,
CamelStream *stream);
static void my_finalize (GtkObject *object);
static CamelStream * my_get_output_stream (CamelDataWrapper *data_wrapper);
static void
camel_simple_data_wrapper_class_init (CamelSimpleDataWrapperClass *camel_simple_data_wrapper_class)
{
CamelDataWrapperClass *camel_data_wrapper_class = CAMEL_DATA_WRAPPER_CLASS (camel_simple_data_wrapper_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 */
/* virtual method overload */
camel_data_wrapper_class->write_to_stream = my_write_to_stream;
camel_data_wrapper_class->construct_from_stream = my_construct_from_stream;
camel_data_wrapper_class->get_output_stream = my_get_output_stream;
gtk_object_class->finalize = my_finalize;
}
static void
camel_simple_data_wrapper_init (CamelSimpleDataWrapper *wrapper)
{
wrapper->byte_array = NULL;
wrapper->has_byte_array_stream = FALSE;
}
GtkType
camel_simple_data_wrapper_get_type (void)
{
static GtkType camel_simple_data_wrapper_type = 0;
if (!camel_simple_data_wrapper_type) {
GtkTypeInfo camel_simple_data_wrapper_info =
{
"CamelSimpleDataWrapper",
sizeof (CamelSimpleDataWrapper),
sizeof (CamelSimpleDataWrapperClass),
(GtkClassInitFunc) camel_simple_data_wrapper_class_init,
(GtkObjectInitFunc) camel_simple_data_wrapper_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL,
};
camel_simple_data_wrapper_type = gtk_type_unique (camel_data_wrapper_get_type (),
&camel_simple_data_wrapper_info);
}
return camel_simple_data_wrapper_type;
}
static void
my_finalize (GtkObject *object)
{
CamelSimpleDataWrapper *simple_data_wrapper = CAMEL_SIMPLE_DATA_WRAPPER (object);
CAMEL_LOG_FULL_DEBUG ("Entering CamelMimePart::finalize\n");
if (simple_data_wrapper->byte_array) g_byte_array_free (simple_data_wrapper->byte_array, TRUE);
GTK_OBJECT_CLASS (parent_class)->finalize (object);
CAMEL_LOG_FULL_DEBUG ("Leaving CamelMimePart::finalize\n");
}
/**
* camel_simple_data_wrapper_new: create a new CamelSimpleDataWrapper object
*
*
*
* Return value:
**/
CamelSimpleDataWrapper *
camel_simple_data_wrapper_new (void)
{
CamelSimpleDataWrapper *simple_data_wrapper;
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Entering new()\n");
simple_data_wrapper = (CamelSimpleDataWrapper *)gtk_type_new (CAMEL_SIMPLE_DATA_WRAPPER_TYPE);
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Leaving new()\n");
return simple_data_wrapper;
}
static void
my_write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelSimpleDataWrapper *simple_data_wrapper = CAMEL_SIMPLE_DATA_WRAPPER (data_wrapper);
GByteArray *array;
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Entering my_write_to_stream\n");
g_assert (data_wrapper);
g_assert (stream);
array = simple_data_wrapper->byte_array;
if ( array && array->len)
camel_stream_write (stream, (gchar *)array->data, array->len);
else
parent_class->write_to_stream (data_wrapper, stream);
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Leaving my_write_to_stream\n");
}
#define my_CMSDW_TMP_BUF_SIZE 100
static void
my_construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream)
{
CamelSimpleDataWrapper *simple_data_wrapper = CAMEL_SIMPLE_DATA_WRAPPER (data_wrapper);
gint nb_bytes_read;
static gchar *tmp_buf;
GByteArray *array;
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Entering my_construct_from_stream\n");
g_assert (data_wrapper);
g_assert (stream);
if (!tmp_buf) {
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::construct_from_stream allocating new temp buffer "
"with %d bytes\n", my_CMSDW_TMP_BUF_SIZE);
tmp_buf = g_new (gchar, my_CMSDW_TMP_BUF_SIZE);
}
array = simple_data_wrapper->byte_array;
if (array) {
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::construct_from_stream freeing old byte array\n");
g_byte_array_free (array, FALSE);
}
array = g_byte_array_new ();
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::construct_from_stream new byte array address:%p\n", array);
simple_data_wrapper->byte_array = array;
nb_bytes_read = camel_stream_read (stream, tmp_buf, my_CMSDW_TMP_BUF_SIZE);
while (nb_bytes_read>0) {
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::construct_from_stream read %d bytes from stream\n", nb_bytes_read);
if (nb_bytes_read>0) g_byte_array_append (array, tmp_buf, nb_bytes_read);
nb_bytes_read = camel_stream_read (stream, tmp_buf, my_CMSDW_TMP_BUF_SIZE);
};
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Leaving my_construct_from_stream\n");
}
/**
* camel_simple_data_wrapper_set_text: set some text as data wrapper content
* @simple_data_wrapper: SimpleDataWrapper object
* @text: the text to use
*
* Utility routine used to set up the content of a SimpleDataWrapper object
* to be a character string.
**/
void
camel_simple_data_wrapper_set_text (CamelSimpleDataWrapper *simple_data_wrapper, const gchar *text)
{
GByteArray *array;
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Entering set_text\n");
array = simple_data_wrapper->byte_array;
if (array) {
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::set_text freeing old byte array\n");
g_byte_array_free (array, FALSE);
}
array = g_byte_array_new ();
simple_data_wrapper->byte_array = array;
g_byte_array_append (array, text, strlen (text));
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Entering set_text\n");
}
static CamelStream *
my_get_output_stream (CamelDataWrapper *data_wrapper)
{
CamelSimpleDataWrapper *simple_data_wrapper;
CamelStream *output_stream = NULL;
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::get_output_stream leaving\n");
g_assert (data_wrapper);
simple_data_wrapper = CAMEL_SIMPLE_DATA_WRAPPER (data_wrapper);
if (simple_data_wrapper->byte_array && !(simple_data_wrapper->has_byte_array_stream)) {
output_stream = camel_simple_data_wrapper_stream_new (simple_data_wrapper);
camel_data_wrapper_set_output_stream (data_wrapper, output_stream);
}
CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper::get_output_stream leaving\n");
return parent_class->get_output_stream (data_wrapper);
}
