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 * Conversion parameters: 26 * inFile = GFileIOStream.html 27 * outPack = gio 28 * outFile = FileIOStream 29 * strct = GFileIOStream 30 * realStrct= 31 * ctorStrct= 32 * clss = FileIOStream 33 * interf = 34 * class Code: Yes 35 * interface Code: No 36 * template for: 37 * extend = 38 * implements: 39 * - SeekableIF 40 * prefixes: 41 * - g_file_io_stream_ 42 * omit structs: 43 * omit prefixes: 44 * omit code: 45 * omit signals: 46 * imports: 47 * - glib.Str 48 * - glib.ErrorG 49 * - glib.GException 50 * - gio.AsyncResultIF 51 * - gio.Cancellable 52 * - gio.FileInfo 53 * - gio.SeekableT 54 * - gio.SeekableIF 55 * structWrap: 56 * - GAsyncResult* -> AsyncResultIF 57 * - GCancellable* -> Cancellable 58 * - GFileInfo* -> FileInfo 59 * module aliases: 60 * local aliases: 61 * overrides: 62 */ 63 64 module gio.FileIOStream; 65 66 public import gtkc.giotypes; 67 68 private import gtkc.gio; 69 private import glib.ConstructionException; 70 private import gobject.ObjectG; 71 72 73 private import glib.Str; 74 private import glib.ErrorG; 75 private import glib.GException; 76 private import gio.AsyncResultIF; 77 private import gio.Cancellable; 78 private import gio.FileInfo; 79 private import gio.SeekableT; 80 private import gio.SeekableIF; 81 82 83 84 private import gio.IOStream; 85 86 /** 87 * GFileIOStream provides io streams that both read and write to the same 88 * file handle. 89 * 90 * GFileIOStream implements GSeekable, which allows the io 91 * stream to jump to arbitrary positions in the file and to truncate 92 * the file, provided the filesystem of the file supports these 93 * operations. 94 * 95 * To find the position of a file io stream, use 96 * g_seekable_tell(). 97 * 98 * To find out if a file io stream supports seeking, use g_seekable_can_seek(). 99 * To position a file io stream, use g_seekable_seek(). 100 * To find out if a file io stream supports truncating, use 101 * g_seekable_can_truncate(). To truncate a file io 102 * stream, use g_seekable_truncate(). 103 * 104 * The default implementation of all the GFileIOStream operations 105 * and the implementation of GSeekable just call into the same operations 106 * on the output stream. 107 */ 108 public class FileIOStream : IOStream, SeekableIF 109 { 110 111 /** the main Gtk struct */ 112 protected GFileIOStream* gFileIOStream; 113 114 115 public GFileIOStream* getFileIOStreamStruct() 116 { 117 return gFileIOStream; 118 } 119 120 121 /** the main Gtk struct as a void* */ 122 protected override void* getStruct() 123 { 124 return cast(void*)gFileIOStream; 125 } 126 127 /** 128 * Sets our main struct and passes it to the parent class 129 */ 130 public this (GFileIOStream* gFileIOStream) 131 { 132 super(cast(GIOStream*)gFileIOStream); 133 this.gFileIOStream = gFileIOStream; 134 } 135 136 protected override void setStruct(GObject* obj) 137 { 138 super.setStruct(obj); 139 gFileIOStream = cast(GFileIOStream*)obj; 140 } 141 142 // add the Seekable capabilities 143 mixin SeekableT!(GFileIOStream); 144 145 /** 146 */ 147 148 /** 149 * Gets the entity tag for the file when it has been written. 150 * This must be called after the stream has been written 151 * and closed, as the etag can change while writing. 152 * Since 2.22 153 * Returns: the entity tag for the stream. 154 */ 155 public string getEtag() 156 { 157 // char * g_file_io_stream_get_etag (GFileIOStream *stream); 158 return Str.toString(g_file_io_stream_get_etag(gFileIOStream)); 159 } 160 161 /** 162 * Queries a file io stream for the given attributes. 163 * This function blocks while querying the stream. For the asynchronous 164 * version of this function, see g_file_io_stream_query_info_async(). 165 * While the stream is blocked, the stream will set the pending flag 166 * internally, and any other operations on the stream will fail with 167 * G_IO_ERROR_PENDING. 168 * Can fail if the stream was already closed (with error being set to 169 * G_IO_ERROR_CLOSED), the stream has pending operations (with error being 170 * set to G_IO_ERROR_PENDING), or if querying info is not supported for 171 * the stream's interface (with error being set to G_IO_ERROR_NOT_SUPPORTED). I 172 * all cases of failure, NULL will be returned. 173 * If cancellable is not NULL, then the operation can be cancelled by 174 * triggering the cancellable object from another thread. If the operation 175 * was cancelled, the error G_IO_ERROR_CANCELLED will be set, and NULL will 176 * be returned. 177 * Since 2.22 178 * Params: 179 * attributes = a file attribute query string. 180 * cancellable = optional GCancellable object, NULL to ignore. [allow-none] 181 * Returns: a GFileInfo for the stream, or NULL on error. [transfer full] 182 * Throws: GException on failure. 183 */ 184 public FileInfo queryInfo(string attributes, Cancellable cancellable) 185 { 186 // GFileInfo * g_file_io_stream_query_info (GFileIOStream *stream, const char *attributes, GCancellable *cancellable, GError **error); 187 GError* err = null; 188 189 auto p = g_file_io_stream_query_info(gFileIOStream, Str.toStringz(attributes), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err); 190 191 if (err !is null) 192 { 193 throw new GException( new ErrorG(err) ); 194 } 195 196 197 if(p is null) 198 { 199 return null; 200 } 201 202 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) p); 203 } 204 205 /** 206 * Asynchronously queries the stream for a GFileInfo. When completed, 207 * callback will be called with a GAsyncResult which can be used to 208 * finish the operation with g_file_io_stream_query_info_finish(). 209 * For the synchronous version of this function, see 210 * g_file_io_stream_query_info(). 211 * Since 2.22 212 * Params: 213 * attributes = a file attribute query string. 214 * ioPriority = the I/O priority 215 * of the request. 216 * cancellable = optional GCancellable object, NULL to ignore. [allow-none] 217 * callback = callback to call when the request is satisfied. [scope async] 218 * userData = the data to pass to callback function. [closure] 219 */ 220 public void queryInfoAsync(string attributes, int ioPriority, Cancellable cancellable, GAsyncReadyCallback callback, void* userData) 221 { 222 // void g_file_io_stream_query_info_async (GFileIOStream *stream, const char *attributes, int io_priority, GCancellable *cancellable, GAsyncReadyCallback callback, gpointer user_data); 223 g_file_io_stream_query_info_async(gFileIOStream, Str.toStringz(attributes), ioPriority, (cancellable is null) ? null : cancellable.getCancellableStruct(), callback, userData); 224 } 225 226 /** 227 * Finalizes the asynchronous query started 228 * by g_file_io_stream_query_info_async(). 229 * Since 2.22 230 * Params: 231 * result = a GAsyncResult. 232 * Returns: A GFileInfo for the finished query. [transfer full] 233 * Throws: GException on failure. 234 */ 235 public FileInfo queryInfoFinish(AsyncResultIF result) 236 { 237 // GFileInfo * g_file_io_stream_query_info_finish (GFileIOStream *stream, GAsyncResult *result, GError **error); 238 GError* err = null; 239 240 auto p = g_file_io_stream_query_info_finish(gFileIOStream, (result is null) ? null : result.getAsyncResultTStruct(), &err); 241 242 if (err !is null) 243 { 244 throw new GException( new ErrorG(err) ); 245 } 246 247 248 if(p is null) 249 { 250 return null; 251 } 252 253 return ObjectG.getDObject!(FileInfo)(cast(GFileInfo*) p); 254 } 255 }