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Diffstat (limited to 'camel/camel-data-wrapper.c')
| -rw-r--r-- | camel/camel-data-wrapper.c | 375 |
1 files changed, 0 insertions, 375 deletions
diff --git a/camel/camel-data-wrapper.c b/camel/camel-data-wrapper.c deleted file mode 100644 index fcd7abb812..0000000000 --- a/camel/camel-data-wrapper.c +++ /dev/null @@ -1,375 +0,0 @@ -/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ -/* camel-data-wrapper.c : Abstract class for a data_wrapper */ - -/* - * - * Authors: 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-data-wrapper.h" -#include "camel-exception.h" - -#include <errno.h> - -#define d(x) - -static CamelObjectClass *parent_class = NULL; - -/* Returns the class for a CamelDataWrapper */ -#define CDW_CLASS(so) CAMEL_DATA_WRAPPER_CLASS (GTK_OBJECT (so)->klass) - - -static void set_output_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream); -static CamelStream *get_output_stream (CamelDataWrapper *data_wrapper); - -static int construct_from_stream(CamelDataWrapper *, CamelStream *); -static int write_to_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream, CamelException *ex); -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 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 (camel_object_get_type ()); - - /* virtual method definition */ - camel_data_wrapper_class->write_to_stream = write_to_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->set_output_stream = set_output_stream; - camel_data_wrapper_class->get_output_stream = get_output_stream; - - camel_data_wrapper_class->construct_from_stream = construct_from_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_data_wrapper->mime_type = gmime_content_field_new (NULL, NULL); -} - - - -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 (camel_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); - - 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)); - - GTK_OBJECT_CLASS (parent_class)->finalize (object); -} - -/** - * camel_data_wrapper_new: - * - * Create a new camel data wrapper object. - * - * Return value: - **/ -CamelDataWrapper * -camel_data_wrapper_new(void) -{ - return gtk_type_new(camel_data_wrapper_get_type()); -} - - -static void -set_output_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - if (data_wrapper->output_stream) - gtk_object_unref (GTK_OBJECT (data_wrapper->output_stream)); - - data_wrapper->output_stream = stream; - if (stream) - gtk_object_ref (GTK_OBJECT (stream)); - d(printf("data_wrapper:: set_output_stream(%p)\n", stream)); -} - -/** - * camel_data_wrapper_set_output_stream: - * @data_wrapper: a data wrapper - * @stream: a stream that can be read from - * - * This is an internal function to be used by implementors of - * the camel-data-wrapper to set their contents as a stream. - * - * The output stream should theoretically be a stream that, if read - * from, produces the data wrapper's contents. However, while certain - * pieces of code assume this, nothing enforces it. - * - **/ -void -camel_data_wrapper_set_output_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream) -{ - g_return_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper)); - g_return_if_fail (CAMEL_IS_STREAM (stream)); - - CDW_CLASS (data_wrapper)->set_output_stream (data_wrapper, stream); -} - - -static CamelStream * -get_output_stream (CamelDataWrapper *data_wrapper) -{ - d(printf("data_wrapper:: get_output_stream(%p) = %p\n", data_wrapper, data_wrapper->output_stream)); - return data_wrapper->output_stream; -} - -/** - * camel_data_wrapper_get_output_stream: - * @data_wrapper: a data wrapper - * - * If the data wrapper has contents, this will return a stream representing - * the data wrappers contents. Currently only the body of a simple - * mime part may be read in this way, although conceivably a whole - * mime message or partial mime message could be processed this way. - * - * Return value: @data_wrapper's output stream - **/ -CamelStream * -camel_data_wrapper_get_output_stream (CamelDataWrapper *data_wrapper) -{ - g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), NULL); - - return CDW_CLASS (data_wrapper)->get_output_stream (data_wrapper); -} - - -static int -write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream, - CamelException *ex) -{ - CamelStream *output_stream; - - d(printf("data_wrapper::write_to_stream\n")); - - output_stream = camel_data_wrapper_get_output_stream (data_wrapper); - g_return_val_if_fail (CAMEL_IS_STREAM (output_stream), -1); - - camel_stream_reset (output_stream, ex); - if (camel_exception_is_set (ex)) - return -1; - return camel_stream_write_to_stream (output_stream, stream, ex); -} - -/** - * camel_data_wrapper_write_to_stream: - * @data_wrapper: a data wrapper - * @stream: stream for data to be written to - * @ex: a CamelException - * - * Writes the data content to @stream in a machine-independent format - * appropriate for the data. It should be possible to construct an - * equivalent data wrapper object later by passing this stream to - * camel_data_construct_from_stream(). - * - * Return value: the number of bytes written, or -1 if an error occurs. - **/ -int -camel_data_wrapper_write_to_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream, CamelException *ex) -{ - g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), -1); - g_return_val_if_fail (CAMEL_IS_STREAM (stream), -1); - - return CDW_CLASS (data_wrapper)->write_to_stream (data_wrapper, - stream, ex); -} - -static int -construct_from_stream(CamelDataWrapper *data_wrapper, - CamelStream *stream) -{ - camel_data_wrapper_set_output_stream (data_wrapper, stream); - return 0; -} - -/** - * camel_data_wrapper_construct_from_stream: - * @data_wrapper: a data wrapper - * @stream: A stream that can be read from. - * - * Constructs the content of the data wrapper from the - * supplied @stream. - * - * This could fail, but you can't know if it did. - **/ -int -camel_data_wrapper_construct_from_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream) -{ - g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), -1); - g_return_val_if_fail (CAMEL_IS_STREAM (stream), -1); - - return CDW_CLASS (data_wrapper)->construct_from_stream (data_wrapper, stream); -} - - -static void -set_mime_type (CamelDataWrapper *data_wrapper, const gchar *mime_type) -{ - gmime_content_field_construct_from_string (data_wrapper->mime_type, - mime_type); -} - -/** - * camel_data_wrapper_set_mime_type: - * @data_wrapper: a data wrapper - * @mime_type: the text representation of a MIME type - * - * This sets the data wrapper's MIME type. - * It might fail, but you won't know. It will allow you to set - * Content-Type parameters on the data wrapper, which are meaningless. - * You should not be allowed to change the MIME type of a data wrapper - * that contains data, or at least, if you do, it should invalidate the - * data. - **/ -void -camel_data_wrapper_set_mime_type (CamelDataWrapper *data_wrapper, - const gchar *mime_type) -{ - g_return_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper)); - g_return_if_fail (mime_type != NULL); - - CDW_CLASS (data_wrapper)->set_mime_type (data_wrapper, mime_type); -} - -static gchar * -get_mime_type (CamelDataWrapper *data_wrapper) -{ - return gmime_content_field_get_mime_type (data_wrapper->mime_type); -} - -/** - * camel_data_wrapper_get_mime_type: - * @data_wrapper: a data wrapper - * - * Return value: the text form of the data wrapper's MIME type - **/ -gchar * -camel_data_wrapper_get_mime_type (CamelDataWrapper *data_wrapper) -{ - g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), NULL); - - return CDW_CLASS (data_wrapper)->get_mime_type (data_wrapper); -} - - -static GMimeContentField * -get_mime_type_field (CamelDataWrapper *data_wrapper) -{ - return data_wrapper->mime_type; -} - -/** - * camel_data_wrapper_get_mime_type_field: - * @data_wrapper: a data wrapper - * - * Return value: the parsed form of the data wrapper's MIME type - **/ -GMimeContentField * -camel_data_wrapper_get_mime_type_field (CamelDataWrapper *data_wrapper) -{ - g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), NULL); - - return CDW_CLASS (data_wrapper)->get_mime_type_field (data_wrapper); -} - -/** - * camel_data_wrapper_set_mime_type_field: - * @data_wrapper: a data wrapper - * @mime_type: the parsed representation of a MIME type - * - * This sets the data wrapper's MIME type. It suffers from the same - * flaws as camel_data_wrapper_set_mime_type. - **/ -static void -set_mime_type_field (CamelDataWrapper *data_wrapper, - GMimeContentField *mime_type) -{ - g_return_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper)); - g_return_if_fail (mime_type != NULL); - - if (data_wrapper->mime_type) - gmime_content_field_unref (data_wrapper->mime_type); - data_wrapper->mime_type = mime_type; - if (mime_type) - gmime_content_field_ref (data_wrapper->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); -} |