/* GIO - GLib Input, Output and Streaming Library * * Copyright (C) 2006-2007 Red Hat, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General * Public License along with this library; if not, see <http://www.gnu.org/licenses/>. * * Author: Alexander Larsson <alexl@redhat.com> */ #ifndef __G_OUTPUT_STREAM_H__ #define __G_OUTPUT_STREAM_H__ #if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION) #error "Only <gio/gio.h> can be included directly." #endif #include <gio/giotypes.h> G_BEGIN_DECLS #define G_TYPE_OUTPUT_STREAM (g_output_stream_get_type ()) #define G_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_OUTPUT_STREAM, GOutputStream)) #define G_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_CAST((k), G_TYPE_OUTPUT_STREAM, GOutputStreamClass)) #define G_IS_OUTPUT_STREAM(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_OUTPUT_STREAM)) #define G_IS_OUTPUT_STREAM_CLASS(k) (G_TYPE_CHECK_CLASS_TYPE ((k), G_TYPE_OUTPUT_STREAM)) #define G_OUTPUT_STREAM_GET_CLASS(o) (G_TYPE_INSTANCE_GET_CLASS ((o), G_TYPE_OUTPUT_STREAM, GOutputStreamClass)) /** * GOutputStream: * * Base class for writing output. * * All classes derived from GOutputStream should implement synchronous * writing, splicing, flushing and closing streams, but may implement * asynchronous versions. **/ typedef struct _GOutputStreamClass GOutputStreamClass; typedef struct _GOutputStreamPrivate GOutputStreamPrivate; struct _GOutputStream { GObject parent_instance; /*< private >*/ GOutputStreamPrivate *priv; }; struct _GOutputStreamClass { GObjectClass parent_class; /* Sync ops: */ gssize (* write_fn) (GOutputStream *stream, const void *buffer, gsize count, GCancellable *cancellable, GError **error); gssize (* splice) (GOutputStream *stream, GInputStream *source, GOutputStreamSpliceFlags flags, GCancellable *cancellable, GError **error); gboolean (* flush) (GOutputStream *stream, GCancellable *cancellable, GError **error); gboolean (* close_fn) (GOutputStream *stream, GCancellable *cancellable, GError **error); /* Async ops: (optional in derived classes) */ void (* write_async) (GOutputStream *stream, const void *buffer, gsize count, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); gssize (* write_finish) (GOutputStream *stream, GAsyncResult *result, GError **error); void (* splice_async) (GOutputStream *stream, GInputStream *source, GOutputStreamSpliceFlags flags, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); gssize (* splice_finish) (GOutputStream *stream, GAsyncResult *result, GError **error); void (* flush_async) (GOutputStream *stream, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); gboolean (* flush_finish) (GOutputStream *stream, GAsyncResult *result, GError **error); void (* close_async) (GOutputStream *stream, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); gboolean (* close_finish) (GOutputStream *stream, GAsyncResult *result, GError **error); gboolean (* writev_fn) (GOutputStream *stream, const GOutputVector *vectors, gsize n_vectors, gsize *bytes_written, GCancellable *cancellable, GError **error); void (* writev_async) (GOutputStream *stream, const GOutputVector *vectors, gsize n_vectors, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); gboolean (* writev_finish) (GOutputStream *stream, GAsyncResult *result, gsize *bytes_written, GError **error); /*< private >*/ /* Padding for future expansion */ void (*_g_reserved4) (void); void (*_g_reserved5) (void); void (*_g_reserved6) (void); void (*_g_reserved7) (void); void (*_g_reserved8) (void); }; GLIB_AVAILABLE_IN_ALL GType g_output_stream_get_type (void) G_GNUC_CONST; GLIB_AVAILABLE_IN_ALL gssize g_output_stream_write (GOutputStream *stream, const void *buffer, gsize count, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_write_all (GOutputStream *stream, const void *buffer, gsize count, gsize *bytes_written, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_2_60 gboolean g_output_stream_writev (GOutputStream *stream, const GOutputVector *vectors, gsize n_vectors, gsize *bytes_written, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_2_60 gboolean g_output_stream_writev_all (GOutputStream *stream, GOutputVector *vectors, gsize n_vectors, gsize *bytes_written, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_2_40 gboolean g_output_stream_printf (GOutputStream *stream, gsize *bytes_written, GCancellable *cancellable, GError **error, const gchar *format, ...) G_GNUC_PRINTF (5, 6); GLIB_AVAILABLE_IN_2_40 gboolean g_output_stream_vprintf (GOutputStream *stream, gsize *bytes_written, GCancellable *cancellable, GError **error, const gchar *format, va_list args) G_GNUC_PRINTF (5, 0); GLIB_AVAILABLE_IN_2_34 gssize g_output_stream_write_bytes (GOutputStream *stream, GBytes *bytes, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_ALL gssize g_output_stream_splice (GOutputStream *stream, GInputStream *source, GOutputStreamSpliceFlags flags, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_flush (GOutputStream *stream, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_close (GOutputStream *stream, GCancellable *cancellable, GError **error); GLIB_AVAILABLE_IN_ALL void g_output_stream_write_async (GOutputStream *stream, const void *buffer, gsize count, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_ALL gssize g_output_stream_write_finish (GOutputStream *stream, GAsyncResult *result, GError **error); GLIB_AVAILABLE_IN_2_44 void g_output_stream_write_all_async (GOutputStream *stream, const void *buffer, gsize count, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_2_44 gboolean g_output_stream_write_all_finish (GOutputStream *stream, GAsyncResult *result, gsize *bytes_written, GError **error); GLIB_AVAILABLE_IN_2_60 void g_output_stream_writev_async (GOutputStream *stream, const GOutputVector *vectors, gsize n_vectors, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_2_60 gboolean g_output_stream_writev_finish (GOutputStream *stream, GAsyncResult *result, gsize *bytes_written, GError **error); GLIB_AVAILABLE_IN_2_60 void g_output_stream_writev_all_async (GOutputStream *stream, GOutputVector *vectors, gsize n_vectors, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_2_60 gboolean g_output_stream_writev_all_finish (GOutputStream *stream, GAsyncResult *result, gsize *bytes_written, GError **error); GLIB_AVAILABLE_IN_2_34 void g_output_stream_write_bytes_async (GOutputStream *stream, GBytes *bytes, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_2_34 gssize g_output_stream_write_bytes_finish (GOutputStream *stream, GAsyncResult *result, GError **error); GLIB_AVAILABLE_IN_ALL void g_output_stream_splice_async (GOutputStream *stream, GInputStream *source, GOutputStreamSpliceFlags flags, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_ALL gssize g_output_stream_splice_finish (GOutputStream *stream, GAsyncResult *result, GError **error); GLIB_AVAILABLE_IN_ALL void g_output_stream_flush_async (GOutputStream *stream, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_flush_finish (GOutputStream *stream, GAsyncResult *result, GError **error); GLIB_AVAILABLE_IN_ALL void g_output_stream_close_async (GOutputStream *stream, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_close_finish (GOutputStream *stream, GAsyncResult *result, GError **error); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_is_closed (GOutputStream *stream); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_is_closing (GOutputStream *stream); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_has_pending (GOutputStream *stream); GLIB_AVAILABLE_IN_ALL gboolean g_output_stream_set_pending (GOutputStream *stream, GError **error); GLIB_AVAILABLE_IN_ALL void g_output_stream_clear_pending (GOutputStream *stream); G_END_DECLS #endif /* __G_OUTPUT_STREAM_H__ */ SIMPAN PERUBAHAN