1 /* 2 * This file is part of gtkD. 3 * 4 * gtkD is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU Lesser General Public License 6 * as published by the Free Software Foundation; either version 3 7 * of the License, or (at your option) any later version, with 8 * some exceptions, please read the COPYING file. 9 * 10 * gtkD 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 13 * GNU Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public License 16 * along with gtkD; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA 18 */ 19 20 // generated automatically - do not change 21 // find conversion definition on APILookup.txt 22 // implement new conversion functionalities on the wrap.utils pakage 23 24 25 module gio.FileOutputStream; 26 27 private import gio.AsyncResultIF; 28 private import gio.Cancellable; 29 private import gio.FileInfo; 30 private import gio.OutputStream; 31 private import gio.SeekableIF; 32 private import gio.SeekableT; 33 private import gio.c.functions; 34 public import gio.c.types; 35 private import glib.ErrorG; 36 private import glib.GException; 37 private import glib.Str; 38 private import gobject.ObjectG; 39 public import gtkc.giotypes; 40 41 42 /** 43 * GFileOutputStream provides output streams that write their 44 * content to a file. 45 * 46 * GFileOutputStream implements #GSeekable, which allows the output 47 * stream to jump to arbitrary positions in the file and to truncate 48 * the file, provided the filesystem of the file supports these 49 * operations. 50 * 51 * To find the position of a file output stream, use g_seekable_tell(). 52 * To find out if a file output stream supports seeking, use 53 * g_seekable_can_seek().To position a file output stream, use 54 * g_seekable_seek(). To find out if a file output stream supports 55 * truncating, use g_seekable_can_truncate(). To truncate a file output 56 * stream, use g_seekable_truncate(). 57 */ 58 public class FileOutputStream : OutputStream, SeekableIF 59 { 60 /** the main Gtk struct */ 61 protected GFileOutputStream* gFileOutputStream; 62 63 /** Get the main Gtk struct */ 64 public GFileOutputStream* getFileOutputStreamStruct(bool transferOwnership = false) 65 { 66 if (transferOwnership) 67 ownedRef = false; 68 return gFileOutputStream; 69 } 70 71 /** the main Gtk struct as a void* */ 72 protected override void* getStruct() 73 { 74 return cast(void*)gFileOutputStream; 75 } 76 77 /** 78 * Sets our main struct and passes it to the parent class. 79 */ 80 public this (GFileOutputStream* gFileOutputStream, bool ownedRef = false) 81 { 82 this.gFileOutputStream = gFileOutputStream; 83 super(cast(GOutputStream*)gFileOutputStream, ownedRef); 84 } 85 86 // add the Seekable capabilities 87 mixin SeekableT!(GFileOutputStream); 88 89 90 /** */ 91 public static GType getType() 92 { 93 return g_file_output_stream_get_type(); 94 } 95 96 /** 97 * Gets the entity tag for the file when it has been written. 98 * This must be called after the stream has been written 99 * and closed, as the etag can change while writing. 100 * 101 * Returns: the entity tag for the stream. 102 */ 103 public string getEtag() 104 { 105 auto retStr = g_file_output_stream_get_etag(gFileOutputStream); 106 107 scope(exit) Str.freeString(retStr); 108 return Str.toString(retStr); 109 } 110 111 /** 112 * Queries a file output stream for the given @attributes. 113 * This function blocks while querying the stream. For the asynchronous 114 * version of this function, see g_file_output_stream_query_info_async(). 115 * While the stream is blocked, the stream will set the pending flag 116 * internally, and any other operations on the stream will fail with 117 * %G_IO_ERROR_PENDING. 118 * 119 * Can fail if the stream was already closed (with @error being set to 120 * %G_IO_ERROR_CLOSED), the stream has pending operations (with @error being 121 * set to %G_IO_ERROR_PENDING), or if querying info is not supported for 122 * the stream's interface (with @error being set to %G_IO_ERROR_NOT_SUPPORTED). In 123 * all cases of failure, %NULL will be returned. 124 * 125 * If @cancellable is not %NULL, then the operation can be cancelled by 126 * triggering the cancellable object from another thread. If the operation 127 * was cancelled, the error %G_IO_ERROR_CANCELLED will be set, and %NULL will 128 * be returned. 129 * 130 * Params: 131 * attributes = a file attribute query string. 132 * cancellable = optional #GCancellable object, %NULL to ignore. 133 * 134 * Returns: a #GFileInfo for the @stream, or %NULL on error. 135 * 136 * Throws: GException on failure. 137 */ 138 public FileInfo queryInfo(string attributes, Cancellable cancellable) 139 { 140 GError* err = null; 141 142 auto __p = g_file_output_stream_query_info(gFileOutputStream, Str.toStringz(attributes), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err); 143 144 if (err !is null) 145 { 146 throw new GException( new ErrorG(err) ); 147 } 148 149 if(__p is null) 150 { 151 return null; 152 } 153 154 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) __p, true); 155 } 156 157 /** 158 * Asynchronously queries the @stream for a #GFileInfo. When completed, 159 * @callback will be called with a #GAsyncResult which can be used to 160 * finish the operation with g_file_output_stream_query_info_finish(). 161 * 162 * For the synchronous version of this function, see 163 * g_file_output_stream_query_info(). 164 * 165 * Params: 166 * attributes = a file attribute query string. 167 * ioPriority = the [I/O priority][gio-GIOScheduler] of the request 168 * cancellable = optional #GCancellable object, %NULL to ignore. 169 * callback = callback to call when the request is satisfied 170 * userData = the data to pass to callback function 171 */ 172 public void queryInfoAsync(string attributes, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData) 173 { 174 g_file_output_stream_query_info_async(gFileOutputStream, Str.toStringz(attributes), ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData); 175 } 176 177 /** 178 * Finalizes the asynchronous query started 179 * by g_file_output_stream_query_info_async(). 180 * 181 * Params: 182 * result = a #GAsyncResult. 183 * 184 * Returns: A #GFileInfo for the finished query. 185 * 186 * Throws: GException on failure. 187 */ 188 public FileInfo queryInfoFinish(AsyncResultIF result) 189 { 190 GError* err = null; 191 192 auto __p = g_file_output_stream_query_info_finish(gFileOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err); 193 194 if (err !is null) 195 { 196 throw new GException( new ErrorG(err) ); 197 } 198 199 if(__p is null) 200 { 201 return null; 202 } 203 204 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) __p, true); 205 } 206 }