1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright (C) 2006-2007 Red Hat, Inc.
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General
16 * Public License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
18 * Boston, MA 02111-1307, USA.
20 * Author: Christian Kellner <gicmo@gnome.org>
24 #include "gfilteroutputstream.h"
25 #include "goutputstream.h"
31 * SECTION:gfilteroutputstream
32 * @short_description: Filter Output Stream
41 static void g_filter_output_stream_set_property (GObject *object,
46 static void g_filter_output_stream_get_property (GObject *object,
50 static void g_filter_output_stream_dispose (GObject *object);
53 static gssize g_filter_output_stream_write (GOutputStream *stream,
56 GCancellable *cancellable,
58 static gboolean g_filter_output_stream_flush (GOutputStream *stream,
59 GCancellable *cancellable,
61 static gboolean g_filter_output_stream_close (GOutputStream *stream,
62 GCancellable *cancellable,
64 static void g_filter_output_stream_write_async (GOutputStream *stream,
68 GCancellable *cancellable,
69 GAsyncReadyCallback callback,
71 static gssize g_filter_output_stream_write_finish (GOutputStream *stream,
74 static void g_filter_output_stream_flush_async (GOutputStream *stream,
76 GCancellable *cancellable,
77 GAsyncReadyCallback callback,
79 static gboolean g_filter_output_stream_flush_finish (GOutputStream *stream,
82 static void g_filter_output_stream_close_async (GOutputStream *stream,
84 GCancellable *cancellable,
85 GAsyncReadyCallback callback,
87 static gboolean g_filter_output_stream_close_finish (GOutputStream *stream,
93 G_DEFINE_TYPE (GFilterOutputStream, g_filter_output_stream, G_TYPE_OUTPUT_STREAM)
98 g_filter_output_stream_class_init (GFilterOutputStreamClass *klass)
100 GObjectClass *object_class;
101 GOutputStreamClass *ostream_class;
103 object_class = G_OBJECT_CLASS (klass);
104 object_class->get_property = g_filter_output_stream_get_property;
105 object_class->set_property = g_filter_output_stream_set_property;
106 object_class->dispose = g_filter_output_stream_dispose;
108 ostream_class = G_OUTPUT_STREAM_CLASS (klass);
109 ostream_class->write_fn = g_filter_output_stream_write;
110 ostream_class->flush = g_filter_output_stream_flush;
111 ostream_class->close_fn = g_filter_output_stream_close;
112 ostream_class->write_async = g_filter_output_stream_write_async;
113 ostream_class->write_finish = g_filter_output_stream_write_finish;
114 ostream_class->flush_async = g_filter_output_stream_flush_async;
115 ostream_class->flush_finish = g_filter_output_stream_flush_finish;
116 ostream_class->close_async = g_filter_output_stream_close_async;
117 ostream_class->close_finish = g_filter_output_stream_close_finish;
119 g_object_class_install_property (object_class,
121 g_param_spec_object ("base-stream",
122 P_("The Filter Base Stream"),
123 P_("The underlying base stream the io ops will be done on"),
124 G_TYPE_OUTPUT_STREAM,
125 G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY |
126 G_PARAM_STATIC_NAME|G_PARAM_STATIC_NICK|G_PARAM_STATIC_BLURB));
131 g_filter_output_stream_set_property (GObject *object,
136 GFilterOutputStream *filter_stream;
139 filter_stream = G_FILTER_OUTPUT_STREAM (object);
143 case PROP_BASE_STREAM:
144 obj = g_value_dup_object (value);
145 filter_stream->base_stream = G_OUTPUT_STREAM (obj);
149 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
156 g_filter_output_stream_get_property (GObject *object,
161 GFilterOutputStream *filter_stream;
163 filter_stream = G_FILTER_OUTPUT_STREAM (object);
167 case PROP_BASE_STREAM:
168 g_value_set_object (value, filter_stream->base_stream);
172 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
179 g_filter_output_stream_dispose (GObject *object)
181 GFilterOutputStream *stream;
183 stream = G_FILTER_OUTPUT_STREAM (object);
185 G_OBJECT_CLASS (g_filter_output_stream_parent_class)->dispose (object);
187 if (stream->base_stream)
189 g_object_unref (stream->base_stream);
190 stream->base_stream = NULL;
196 g_filter_output_stream_init (GFilterOutputStream *stream)
201 * g_filter_output_stream_get_base_stream:
202 * @stream: a #GFilterOutputStream.
204 * Gets the base stream for the filter stream.
206 * Returns: a #GOutputStream.
209 g_filter_output_stream_get_base_stream (GFilterOutputStream *stream)
211 g_return_val_if_fail (G_IS_FILTER_OUTPUT_STREAM (stream), NULL);
213 return stream->base_stream;
217 g_filter_output_stream_write (GOutputStream *stream,
220 GCancellable *cancellable,
223 GFilterOutputStream *filter_stream;
226 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
228 nwritten = g_output_stream_write (filter_stream->base_stream,
238 g_filter_output_stream_flush (GOutputStream *stream,
239 GCancellable *cancellable,
242 GFilterOutputStream *filter_stream;
245 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
247 res = g_output_stream_flush (filter_stream->base_stream,
255 g_filter_output_stream_close (GOutputStream *stream,
256 GCancellable *cancellable,
259 GFilterOutputStream *filter_stream;
262 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
264 res = g_output_stream_close (filter_stream->base_stream,
272 g_filter_output_stream_write_async (GOutputStream *stream,
276 GCancellable *cancellable,
277 GAsyncReadyCallback callback,
280 GFilterOutputStream *filter_stream;
282 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
284 g_output_stream_write_async (filter_stream->base_stream,
295 g_filter_output_stream_write_finish (GOutputStream *stream,
296 GAsyncResult *result,
299 GFilterOutputStream *filter_stream;
302 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
304 nwritten = g_output_stream_write_finish (filter_stream->base_stream,
312 g_filter_output_stream_flush_async (GOutputStream *stream,
314 GCancellable *cancellable,
315 GAsyncReadyCallback callback,
318 GFilterOutputStream *filter_stream;
320 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
322 g_output_stream_flush_async (filter_stream->base_stream,
330 g_filter_output_stream_flush_finish (GOutputStream *stream,
331 GAsyncResult *result,
334 GFilterOutputStream *filter_stream;
337 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
339 res = g_output_stream_flush_finish (filter_stream->base_stream,
347 g_filter_output_stream_close_async (GOutputStream *stream,
349 GCancellable *cancellable,
350 GAsyncReadyCallback callback,
353 GFilterOutputStream *filter_stream;
355 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
357 g_output_stream_close_async (filter_stream->base_stream,
365 g_filter_output_stream_close_finish (GOutputStream *stream,
366 GAsyncResult *result,
369 GFilterOutputStream *filter_stream;
372 filter_stream = G_FILTER_OUTPUT_STREAM (stream);
374 res = g_output_stream_close_finish (filter_stream->base_stream,
381 #define __G_FILTER_OUTPUT_STREAM_C__
382 #include "gioaliasdef.c"