/* -*- 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 * * Copyright 1999 International GNOME Support (http://www.gnome-support.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 #include "camel-simple-data-wrapper.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 _construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream); static void _write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream); static void _finalize (GtkObject *object); 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 = _write_to_stream; camel_data_wrapper_class->construct_from_stream = _construct_from_stream; gtk_object_class->finalize = _finalize; } 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) NULL, /* 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 _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 () { 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 _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 _write_to_stream\n"); g_assert (data_wrapper); g_assert (stream); g_assert (simple_data_wrapper->byte_array); array = simple_data_wrapper->byte_array; if (array->len) camel_stream_write (stream, (gchar *)array->data, array->len); CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Leaving _write_to_stream\n"); } #define _CMSDW_TMP_BUF_SIZE 100 static void _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 _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", _CMSDW_TMP_BUF_SIZE); tmp_buf = g_new (gchar, _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, _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, _CMSDW_TMP_BUF_SIZE); }; CAMEL_LOG_FULL_DEBUG ("CamelSimpleDataWrapper:: Leaving _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"); }