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 protected override void setStruct(GObject* obj) 78 { 79 gFileOutputStream = cast(GFileOutputStream*)obj; 80 super.setStruct(obj); 81 } 82 83 /** 84 * Sets our main struct and passes it to the parent class. 85 */ 86 public this (GFileOutputStream* gFileOutputStream, bool ownedRef = false) 87 { 88 this.gFileOutputStream = gFileOutputStream; 89 super(cast(GOutputStream*)gFileOutputStream, ownedRef); 90 } 91 92 // add the Seekable capabilities 93 mixin SeekableT!(GFileOutputStream); 94 95 96 /** */ 97 public static GType getType() 98 { 99 return g_file_output_stream_get_type(); 100 } 101 102 /** 103 * Gets the entity tag for the file when it has been written. 104 * This must be called after the stream has been written 105 * and closed, as the etag can change while writing. 106 * 107 * Returns: the entity tag for the stream. 108 */ 109 public string getEtag() 110 { 111 auto retStr = g_file_output_stream_get_etag(gFileOutputStream); 112 113 scope(exit) Str.freeString(retStr); 114 return Str.toString(retStr); 115 } 116 117 /** 118 * Queries a file output stream for the given @attributes. 119 * This function blocks while querying the stream. For the asynchronous 120 * version of this function, see g_file_output_stream_query_info_async(). 121 * While the stream is blocked, the stream will set the pending flag 122 * internally, and any other operations on the stream will fail with 123 * %G_IO_ERROR_PENDING. 124 * 125 * Can fail if the stream was already closed (with @error being set to 126 * %G_IO_ERROR_CLOSED), the stream has pending operations (with @error being 127 * set to %G_IO_ERROR_PENDING), or if querying info is not supported for 128 * the stream's interface (with @error being set to %G_IO_ERROR_NOT_SUPPORTED). In 129 * all cases of failure, %NULL will be returned. 130 * 131 * If @cancellable is not %NULL, then the operation can be cancelled by 132 * triggering the cancellable object from another thread. If the operation 133 * was cancelled, the error %G_IO_ERROR_CANCELLED will be set, and %NULL will 134 * be returned. 135 * 136 * Params: 137 * attributes = a file attribute query string. 138 * cancellable = optional #GCancellable object, %NULL to ignore. 139 * 140 * Returns: a #GFileInfo for the @stream, or %NULL on error. 141 * 142 * Throws: GException on failure. 143 */ 144 public FileInfo queryInfo(string attributes, Cancellable cancellable) 145 { 146 GError* err = null; 147 148 auto p = g_file_output_stream_query_info(gFileOutputStream, Str.toStringz(attributes), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err); 149 150 if (err !is null) 151 { 152 throw new GException( new ErrorG(err) ); 153 } 154 155 if(p is null) 156 { 157 return null; 158 } 159 160 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) p, true); 161 } 162 163 /** 164 * Asynchronously queries the @stream for a #GFileInfo. When completed, 165 * @callback will be called with a #GAsyncResult which can be used to 166 * finish the operation with g_file_output_stream_query_info_finish(). 167 * 168 * For the synchronous version of this function, see 169 * g_file_output_stream_query_info(). 170 * 171 * Params: 172 * attributes = a file attribute query string. 173 * ioPriority = the [I/O priority][gio-GIOScheduler] of the request 174 * cancellable = optional #GCancellable object, %NULL to ignore. 175 * callback = callback to call when the request is satisfied 176 * userData = the data to pass to callback function 177 */ 178 public void queryInfoAsync(string attributes, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData) 179 { 180 g_file_output_stream_query_info_async(gFileOutputStream, Str.toStringz(attributes), ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData); 181 } 182 183 /** 184 * Finalizes the asynchronous query started 185 * by g_file_output_stream_query_info_async(). 186 * 187 * Params: 188 * result = a #GAsyncResult. 189 * 190 * Returns: A #GFileInfo for the finished query. 191 * 192 * Throws: GException on failure. 193 */ 194 public FileInfo queryInfoFinish(AsyncResultIF result) 195 { 196 GError* err = null; 197 198 auto p = g_file_output_stream_query_info_finish(gFileOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err); 199 200 if (err !is null) 201 { 202 throw new GException( new ErrorG(err) ); 203 } 204 205 if(p is null) 206 { 207 return null; 208 } 209 210 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) p, true); 211 } 212 }