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Diffstat (limited to 'camel/camel-data-wrapper.c')
| -rw-r--r-- | camel/camel-data-wrapper.c | 455 |
1 files changed, 0 insertions, 455 deletions
diff --git a/camel/camel-data-wrapper.c b/camel/camel-data-wrapper.c deleted file mode 100644 index 1cff54a7c1..0000000000 --- a/camel/camel-data-wrapper.c +++ /dev/null @@ -1,455 +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 */ - -/** THIS IS MOSTLY AN ABSTRACT CLASS THAT SHOULD HAVE BEEN AN - INTERFACE. **/ - -/* - * - * 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-data-wrapper.h" - -#define d(x) - -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 construct_from_parser(CamelDataWrapper *, CamelMimeParser *); -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 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->construct_from_parser = construct_from_parser; - 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_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_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 (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); - - 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); -} - - -static void -set_input_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - if (data_wrapper->input_stream) - gtk_object_unref (GTK_OBJECT (data_wrapper->input_stream)); - - data_wrapper->input_stream = stream; - - if (!data_wrapper->output_stream && stream) - set_output_stream (data_wrapper, stream); - - if (stream) { - gtk_object_ref (GTK_OBJECT (stream)); - gtk_object_sink (GTK_OBJECT (stream)); - } -} - -/** - * camel_data_wrapper_set_input_stream: - * @data_wrapper: a data wrapper - * @stream: a stream that can be read from, or %NULL - * - * This sets the data wrapper's input stream from @stream, most likely - * causing @data_wrapper to initialize itself from that stream. - * @data_wrapper may or may not notice future changes to @stream, and - * if @stream is closed before @data_wrapper is destroyed, it could - * be arbitrarily bad. This function may fail, but there is no way - * for the caller to know this. - * - * If @data_wrapper has no output stream, its output stream will also - * be set to @stream. - **/ -void -camel_data_wrapper_set_input_stream (CamelDataWrapper *data_wrapper, - CamelStream *stream) -{ - g_return_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper)); - g_return_if_fail (stream == NULL || CAMEL_IS_STREAM (stream)); - - CDW_CLASS (data_wrapper)->set_input_stream (data_wrapper, stream); -} - - -static CamelStream * -get_input_stream (CamelDataWrapper *data_wrapper) -{ - return data_wrapper->input_stream; -} - -/** - * camel_data_wrapper_get_input_stream: - * @data_wrapper: a data wrapper - * - * Return value: @data_wrapper's input stream - **/ -CamelStream * -camel_data_wrapper_get_input_stream (CamelDataWrapper *data_wrapper) -{ - g_return_val_if_fail (CAMEL_IS_DATA_WRAPPER (data_wrapper), NULL); - - return CDW_CLASS (data_wrapper)->get_input_stream (data_wrapper); -} - - -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)); - gtk_object_sink (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 sets the data wrapper's output stream to @stream. Unlike - * camel_data_wrapper_set_input_stream(), this function has no side - * effects. - * - * 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 - * - * 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 void -write_to_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - gchar tmp_buf[4096]; - gint nb_read; - gint nb_written; - CamelStream *output_stream; - - d(printf("data_wrapper::write_to_stream\n")); - - output_stream = camel_data_wrapper_get_output_stream (data_wrapper); - if (!output_stream) { - g_warning("write to stream with no stream"); - return; - } - - camel_stream_reset (output_stream); - - while (!camel_stream_eos (output_stream)) { - nb_read = camel_stream_read (output_stream, tmp_buf, 4096); - d(printf("copying %d bytes\n", nb_read)); - nb_written = 0; - while (nb_written < nb_read) - nb_written += camel_stream_write (stream, tmp_buf + nb_written, nb_read - nb_written); - } -} - - -/** - * camel_data_wrapper_write_to_stream: - * @data_wrapper: a data wrapper - * @stream: stream for data to be written to - * - * 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(). - * - * Of course, this operation might fail, and of course, there's no - * way for you to find out about it. - **/ -void -camel_data_wrapper_write_to_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)->write_to_stream (data_wrapper, stream); -} - - -static void -construct_from_stream (CamelDataWrapper *data_wrapper, CamelStream *stream) -{ - /* nothing */ -} - -/** - * camel_data_wrapper_construct_from_stream: - * @data_wrapper: a data wrapper - * @stream: a stream that can be read from - * - * This constructs a data wrapper object from a stream. It is not clear - * how this differs from camel_data_wrapper_set_input_stream(), nor is - * it clear how it affects the data wrapper's input and output streams. - * - * This could fail, but you can't know if it did. - **/ -void -camel_data_wrapper_construct_from_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)->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); -} - -static void construct_from_parser(CamelDataWrapper *d, CamelMimeParser *mp) -{ - /* do nothing? */ - g_warning("Construct from parser not implemented for: %s", gtk_type_name(((GtkObject *)d)->klass->type)); -} - -void -camel_data_wrapper_construct_from_parser(CamelDataWrapper *data_wrapper, CamelMimeParser *mp) -{ - CDW_CLASS (data_wrapper)->construct_from_parser (data_wrapper, mp); -} - |