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208 lines
9.3 KiB
C
208 lines
9.3 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright (C) 2006-2007 Red Hat, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Alexander Larsson <alexl@redhat.com>
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*/
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#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
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#error "Only <gio/gio.h> can be included directly."
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#endif
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#ifndef __G_OUTPUT_STREAM_H__
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#define __G_OUTPUT_STREAM_H__
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#include <gio/giotypes.h>
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G_BEGIN_DECLS
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#define G_TYPE_OUTPUT_STREAM (g_output_stream_get_type ())
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#define G_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_OUTPUT_STREAM, GOutputStream))
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#define G_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_OUTPUT_STREAM, GOutputStreamClass))
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#define G_IS_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_OUTPUT_STREAM))
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#define G_IS_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_OUTPUT_STREAM))
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#define G_OUTPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_OUTPUT_STREAM, GOutputStreamClass))
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/**
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* GOutputStream:
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*
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* Base class for writing output.
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*
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* All classes derived from GOutputStream should implement synchronous
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* writing, splicing, flushing and closing streams, but may implement
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* asynchronous versions.
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**/
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typedef struct _GOutputStreamClass GOutputStreamClass;
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typedef struct _GOutputStreamPrivate GOutputStreamPrivate;
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struct _GOutputStream
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{
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GObject parent_instance;
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/*< private >*/
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GOutputStreamPrivate *priv;
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};
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struct _GOutputStreamClass
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{
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GObjectClass parent_class;
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/* Sync ops: */
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gssize (* write_fn) (GOutputStream *stream,
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const void *buffer,
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gsize count,
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GCancellable *cancellable,
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GError **error);
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gssize (* splice) (GOutputStream *stream,
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GInputStream *source,
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GOutputStreamSpliceFlags flags,
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GCancellable *cancellable,
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GError **error);
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gboolean (* flush) (GOutputStream *stream,
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GCancellable *cancellable,
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GError **error);
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gboolean (* close_fn) (GOutputStream *stream,
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GCancellable *cancellable,
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GError **error);
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/* Async ops: (optional in derived classes) */
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void (* write_async) (GOutputStream *stream,
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const void *buffer,
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gsize count,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gssize (* write_finish) (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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void (* splice_async) (GOutputStream *stream,
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GInputStream *source,
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GOutputStreamSpliceFlags flags,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer data);
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gssize (* splice_finish) (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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void (* flush_async) (GOutputStream *stream,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gboolean (* flush_finish) (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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void (* close_async) (GOutputStream *stream,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gboolean (* close_finish) (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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/*< private >*/
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/* Padding for future expansion */
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void (*_g_reserved1) (void);
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void (*_g_reserved2) (void);
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void (*_g_reserved3) (void);
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void (*_g_reserved4) (void);
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void (*_g_reserved5) (void);
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void (*_g_reserved6) (void);
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void (*_g_reserved7) (void);
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void (*_g_reserved8) (void);
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};
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GType g_output_stream_get_type (void) G_GNUC_CONST;
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gssize g_output_stream_write (GOutputStream *stream,
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const void *buffer,
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gsize count,
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GCancellable *cancellable,
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GError **error);
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gboolean g_output_stream_write_all (GOutputStream *stream,
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const void *buffer,
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gsize count,
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gsize *bytes_written,
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GCancellable *cancellable,
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GError **error);
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gssize g_output_stream_splice (GOutputStream *stream,
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GInputStream *source,
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GOutputStreamSpliceFlags flags,
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GCancellable *cancellable,
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GError **error);
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gboolean g_output_stream_flush (GOutputStream *stream,
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GCancellable *cancellable,
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GError **error);
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gboolean g_output_stream_close (GOutputStream *stream,
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GCancellable *cancellable,
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GError **error);
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void g_output_stream_write_async (GOutputStream *stream,
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const void *buffer,
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gsize count,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gssize g_output_stream_write_finish (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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void g_output_stream_splice_async (GOutputStream *stream,
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GInputStream *source,
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GOutputStreamSpliceFlags flags,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gssize g_output_stream_splice_finish (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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void g_output_stream_flush_async (GOutputStream *stream,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gboolean g_output_stream_flush_finish (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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void g_output_stream_close_async (GOutputStream *stream,
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int io_priority,
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GCancellable *cancellable,
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GAsyncReadyCallback callback,
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gpointer user_data);
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gboolean g_output_stream_close_finish (GOutputStream *stream,
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GAsyncResult *result,
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GError **error);
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gboolean g_output_stream_is_closed (GOutputStream *stream);
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gboolean g_output_stream_is_closing (GOutputStream *stream);
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gboolean g_output_stream_has_pending (GOutputStream *stream);
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gboolean g_output_stream_set_pending (GOutputStream *stream,
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GError **error);
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void g_output_stream_clear_pending (GOutputStream *stream);
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G_END_DECLS
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#endif /* __G_OUTPUT_STREAM_H__ */
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