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 glib.ErrorG; 34 private import glib.GException; 35 private import glib.Str; 36 private import gobject.ObjectG; 37 private import gtkc.gio; 38 public import gtkc.giotypes; 39 40 41 /** 42 * GFileOutputStream provides output streams that write their 43 * content to a file. 44 * 45 * GFileOutputStream implements #GSeekable, which allows the output 46 * stream to jump to arbitrary positions in the file and to truncate 47 * the file, provided the filesystem of the file supports these 48 * operations. 49 * 50 * To find the position of a file output stream, use g_seekable_tell(). 51 * To find out if a file output stream supports seeking, use 52 * g_seekable_can_seek().To position a file output stream, use 53 * g_seekable_seek(). To find out if a file output stream supports 54 * truncating, use g_seekable_can_truncate(). To truncate a file output 55 * stream, use g_seekable_truncate(). 56 */ 57 public class FileOutputStream : OutputStream, SeekableIF 58 { 59 /** the main Gtk struct */ 60 protected GFileOutputStream* gFileOutputStream; 61 62 /** Get the main Gtk struct */ 63 public GFileOutputStream* getFileOutputStreamStruct() 64 { 65 return gFileOutputStream; 66 } 67 68 /** the main Gtk struct as a void* */ 69 protected override void* getStruct() 70 { 71 return cast(void*)gFileOutputStream; 72 } 73 74 protected override void setStruct(GObject* obj) 75 { 76 gFileOutputStream = cast(GFileOutputStream*)obj; 77 super.setStruct(obj); 78 } 79 80 /** 81 * Sets our main struct and passes it to the parent class. 82 */ 83 public this (GFileOutputStream* gFileOutputStream, bool ownedRef = false) 84 { 85 this.gFileOutputStream = gFileOutputStream; 86 super(cast(GOutputStream*)gFileOutputStream, ownedRef); 87 } 88 89 // add the Seekable capabilities 90 mixin SeekableT!(GFileOutputStream); 91 92 93 /** */ 94 public static GType getType() 95 { 96 return g_file_output_stream_get_type(); 97 } 98 99 /** 100 * Gets the entity tag for the file when it has been written. 101 * This must be called after the stream has been written 102 * and closed, as the etag can change while writing. 103 * 104 * Return: the entity tag for the stream. 105 */ 106 public string getEtag() 107 { 108 auto retStr = g_file_output_stream_get_etag(gFileOutputStream); 109 110 scope(exit) Str.freeString(retStr); 111 return Str.toString(retStr); 112 } 113 114 /** 115 * Queries a file output stream for the given @attributes. 116 * This function blocks while querying the stream. For the asynchronous 117 * version of this function, see g_file_output_stream_query_info_async(). 118 * While the stream is blocked, the stream will set the pending flag 119 * internally, and any other operations on the stream will fail with 120 * %G_IO_ERROR_PENDING. 121 * 122 * Can fail if the stream was already closed (with @error being set to 123 * %G_IO_ERROR_CLOSED), the stream has pending operations (with @error being 124 * set to %G_IO_ERROR_PENDING), or if querying info is not supported for 125 * the stream's interface (with @error being set to %G_IO_ERROR_NOT_SUPPORTED). In 126 * all cases of failure, %NULL will be returned. 127 * 128 * If @cancellable is not %NULL, then the operation can be cancelled by 129 * triggering the cancellable object from another thread. If the operation 130 * was cancelled, the error %G_IO_ERROR_CANCELLED will be set, and %NULL will 131 * be returned. 132 * 133 * Params: 134 * attributes = a file attribute query string. 135 * cancellable = optional #GCancellable object, %NULL to ignore. 136 * 137 * Return: a #GFileInfo for the @stream, or %NULL on error. 138 * 139 * Throws: GException on failure. 140 */ 141 public FileInfo queryInfo(string attributes, Cancellable cancellable) 142 { 143 GError* err = null; 144 145 auto p = g_file_output_stream_query_info(gFileOutputStream, Str.toStringz(attributes), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err); 146 147 if (err !is null) 148 { 149 throw new GException( new ErrorG(err) ); 150 } 151 152 if(p is null) 153 { 154 return null; 155 } 156 157 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) p, true); 158 } 159 160 /** 161 * Asynchronously queries the @stream for a #GFileInfo. When completed, 162 * @callback will be called with a #GAsyncResult which can be used to 163 * finish the operation with g_file_output_stream_query_info_finish(). 164 * 165 * For the synchronous version of this function, see 166 * g_file_output_stream_query_info(). 167 * 168 * Params: 169 * attributes = a file attribute query string. 170 * ioPriority = the [I/O priority][gio-GIOScheduler] of the request 171 * cancellable = optional #GCancellable object, %NULL to ignore. 172 * callback = callback to call when the request is satisfied 173 * userData = the data to pass to callback function 174 */ 175 public void queryInfoAsync(string attributes, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData) 176 { 177 g_file_output_stream_query_info_async(gFileOutputStream, Str.toStringz(attributes), ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData); 178 } 179 180 /** 181 * Finalizes the asynchronous query started 182 * by g_file_output_stream_query_info_async(). 183 * 184 * Params: 185 * result = a #GAsyncResult. 186 * 187 * Return: A #GFileInfo for the finished query. 188 * 189 * Throws: GException on failure. 190 */ 191 public FileInfo queryInfoFinish(AsyncResultIF result) 192 { 193 GError* err = null; 194 195 auto p = g_file_output_stream_query_info_finish(gFileOutputStream, (result is null) ? null : result.getAsyncResultStruct(), &err); 196 197 if (err !is null) 198 { 199 throw new GException( new ErrorG(err) ); 200 } 201 202 if(p is null) 203 { 204 return null; 205 } 206 207 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) p, true); 208 } 209 }