src/libcaptive/client/file.c

   1 /* $Id$
   2  * captive vfs 'file' interface to reactos
   3  * Copyright (C) 2002-2003 Jan Kratochvil <project-captive@jankratochvil.net>
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; exactly version 2 of June 1991 is required
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  17  */
  18
  19
  20 #include "config.h"
  21
  22 #include "captive/client-file.h"        /* self */
  23 #include "file.h"       /* self-priv */
  24 #include <glib/gmessages.h>
  25 #include "vfs.h"
  26 #include "reactos/ntos/types.h" /* for ULONG */
  27
  28
  29 static gpointer captive_file_object_parent_class=NULL;
  30
  31
  32 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object);
  33
  34 static void captive_file_object_finalize(CaptiveFileObject *captive_file_object)
  35 {
  36         g_return_if_fail(captive_file_object!=NULL);
  37
  38         captive_file_close(captive_file_object);        /* errors ignored */
  39
  40         G_OBJECT_CLASS(captive_file_object_parent_class)->finalize((GObject *)captive_file_object);
  41 }
  42
  43
  44 static void captive_file_object_class_init(CaptiveFileObjectClass *class)
  45 {
  46 GObjectClass *gobject_class=G_OBJECT_CLASS(class);
  47
  48         captive_file_object_parent_class=g_type_class_ref(g_type_parent(G_TYPE_FROM_CLASS(class)));
  49         gobject_class->finalize=(void (*)(GObject *object))captive_file_object_finalize;
  50 }
  51
  52
  53 static void captive_file_object_init(CaptiveFileObject *captive_file_object)
  54 {
  55 }
  56
  57
  58 GType captive_file_object_get_type(void)
  59 {
  60 static GType captive_file_object_type=0;
  61
  62         if (!captive_file_object_type) {
  63 static const GTypeInfo captive_file_object_info={
  64                                 sizeof(CaptiveFileObjectClass),
  65                                 NULL,   /* base_init */
  66                                 NULL,   /* base_finalize */
  67                                 (GClassInitFunc)captive_file_object_class_init,
  68                                 NULL,   /* class_finalize */
  69                                 NULL,   /* class_data */
  70                                 sizeof(CaptiveFileObject),
  71                                 5,      /* n_preallocs */
  72                                 (GInstanceInitFunc)captive_file_object_init,
  73                                 };
  74
  75                 captive_file_object_type=g_type_register_static(G_TYPE_OBJECT,
  76                                 "CaptiveFileObject",&captive_file_object_info,G_TYPE_FLAG_ABSTRACT);
  77                 }
  78
  79         return captive_file_object_type;
  80 }
  81
  82
  83 GnomeVFSResult captive_file_new_open(CaptiveFileObject **captive_file_object_return,
  84                 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode)
  85 {
  86         g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
  87         g_return_val_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
  88         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
  89
  90         return (*CAPTIVE_VFS_OBJECT_GET_CLASS(captive_vfs_object)->file_new_open)
  91                         (captive_file_object_return,captive_vfs_object,pathname,mode);
  92 }
  93
  94
  95 GnomeVFSResult captive_file_new_create(CaptiveFileObject **captive_file_object_return,
  96                 CaptiveVfsObject *captive_vfs_object,const gchar *pathname,GnomeVFSOpenMode mode,gboolean exclusive,guint perm)
  97 {
  98         g_return_val_if_fail(captive_file_object_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
  99         g_return_val_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 100         g_return_val_if_fail(pathname!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 101
 102         return (*CAPTIVE_VFS_OBJECT_GET_CLASS(captive_vfs_object)->file_new_create)
 103                         (captive_file_object_return,captive_vfs_object,pathname,mode,exclusive,perm);
 104 }
 105
 106
 107 GnomeVFSResult captive_file_init(CaptiveFileObject *captive_file_object,CaptiveVfsObject *captive_vfs_object)
 108 {
 109         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 110         g_return_val_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_vfs_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 111
 112         g_return_val_if_fail(captive_file_object->vfs==NULL,GNOME_VFS_ERROR_GENERIC);
 113
 114         captive_file_object->vfs=g_object_ref(captive_vfs_object);
 115
 116         return GNOME_VFS_OK;
 117 }
 118
 119
 120 static GnomeVFSResult captive_file_close(CaptiveFileObject *captive_file_object)
 121 {
 122         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 123
 124         if (captive_file_object->vfs!=NULL) {
 125                 g_assert(CAPTIVE_VFS_IS_OBJECT(captive_file_object->vfs));
 126                 g_object_unref(captive_file_object->vfs);
 127                 captive_file_object->vfs=NULL;
 128                 }
 129
 130         return GNOME_VFS_OK;
 131 }
 132
 133
 134 CaptiveVfsObject *captive_file_ref_vfs(CaptiveFileObject *captive_file_object)
 135 {
 136         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),NULL);
 137
 138         g_return_val_if_fail(CAPTIVE_VFS_IS_OBJECT(captive_file_object->vfs),NULL);
 139
 140         return g_object_ref(captive_file_object->vfs);
 141 }
 142
 143
 144 GnomeVFSResult captive_file_read(CaptiveFileObject *captive_file_object,
 145                 gpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_read_return)
 146 {
 147         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 148         g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 149         g_return_val_if_fail(bytes_read_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 150         g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
 151
 152         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->read)
 153                         (captive_file_object,buffer,num_bytes,bytes_read_return);
 154 }
 155
 156
 157 GnomeVFSResult captive_file_write(CaptiveFileObject *captive_file_object,
 158                 gconstpointer buffer,GnomeVFSFileSize num_bytes,GnomeVFSFileSize *bytes_written_return)
 159 {
 160         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 161         g_return_val_if_fail(buffer!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 162         g_return_val_if_fail(bytes_written_return!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 163         g_return_val_if_fail(num_bytes==(ULONG)num_bytes,GNOME_VFS_ERROR_BAD_PARAMETERS);
 164
 165         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->write)
 166                         (captive_file_object,buffer,num_bytes,bytes_written_return);
 167 }
 168
 169
 170 GnomeVFSResult captive_file_seek
 171                 (CaptiveFileObject *captive_file_object,GnomeVFSSeekPosition whence,GnomeVFSFileOffset offset)
 172 {
 173         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 174
 175         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->seek)
 176                         (captive_file_object,whence,offset);
 177 }
 178
 179
 180 GnomeVFSResult captive_file_tell(CaptiveFileObject *captive_file_object,GnomeVFSFileOffset *offset_return)
 181 {
 182         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 183
 184         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->tell)
 185                         (captive_file_object,offset_return);
 186 }
 187
 188
 189 GnomeVFSResult captive_file_remove(CaptiveFileObject *captive_file_object)
 190 {
 191         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 192
 193         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->remove)
 194                         (captive_file_object);
 195 }
 196
 197
 198 GnomeVFSResult captive_file_file_info_get(CaptiveFileObject *captive_file_object,
 199                 GnomeVFSFileInfo *file_info)
 200 {
 201         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 202         g_return_val_if_fail(file_info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 203
 204         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->file_info_get)
 205                         (captive_file_object,file_info);
 206 }
 207
 208
 209 GnomeVFSResult captive_file_file_info_set(CaptiveFileObject *captive_file_object,
 210     const GnomeVFSFileInfo *info,GnomeVFSSetFileInfoMask mask)
 211 {
 212         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 213         g_return_val_if_fail(info!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 214
 215         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->file_info_set)
 216                         (captive_file_object,info,mask);
 217 }
 218
 219
 220 GnomeVFSResult captive_file_truncate(CaptiveFileObject *captive_file_object,GnomeVFSFileSize file_size)
 221 {
 222         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object),GNOME_VFS_ERROR_BAD_PARAMETERS);
 223
 224         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object)->truncate)
 225                         (captive_file_object,file_size);
 226 }
 227
 228
 229 GnomeVFSResult captive_file_move(CaptiveFileObject *captive_file_object_old,const gchar *pathname_new,gboolean force_replace)
 230 {
 231         g_return_val_if_fail(CAPTIVE_FILE_IS_OBJECT(captive_file_object_old),GNOME_VFS_ERROR_BAD_PARAMETERS);
 232         g_return_val_if_fail(pathname_new!=NULL,GNOME_VFS_ERROR_BAD_PARAMETERS);
 233
 234         return (*CAPTIVE_FILE_OBJECT_GET_CLASS(captive_file_object_old)->move)
 235                         (captive_file_object_old,pathname_new,force_replace);
 236 }