gtkfilesystemunix.c 21.7 KB
Newer Older
Owen Taylor's avatar
Owen Taylor committed
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
/* GTK - The GIMP Toolkit
 * gtkfilesystemunix.c: Default implementation of GtkFileSystem for UNIX-like systems
 * Copyright (C) 2003, Red Hat, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the
 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#include "gtkfilesystem.h"
#include "gtkfilesystemunix.h"

Owen Taylor's avatar
Owen Taylor committed
24
25
#include "xdgmime/xdgmime.h"

Owen Taylor's avatar
Owen Taylor committed
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>

typedef struct _GtkFileSystemUnixClass GtkFileSystemUnixClass;

#define GTK_FILE_SYSTEM_UNIX_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))
#define GTK_IS_FILE_SYSTEM_UNIX_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_SYSTEM_UNIX))
#define GTK_FILE_SYSTEM_UNIX_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_SYSTEM_UNIX, GtkFileSystemUnixClass))

struct _GtkFileSystemUnixClass
{
  GObjectClass parent_class;
};

struct _GtkFileSystemUnix
{
  GObject parent_instance;
};

#define GTK_TYPE_FILE_FOLDER_UNIX             (gtk_file_folder_unix_get_type ())
#define GTK_FILE_FOLDER_UNIX(obj)             (G_TYPE_CHECK_INSTANCE_CAST ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnix))
#define GTK_IS_FILE_FOLDER_UNIX(obj)          (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GTK_TYPE_FILE_FOLDER_UNIX))
#define GTK_FILE_FOLDER_UNIX_CLASS(klass)     (G_TYPE_CHECK_CLASS_CAST ((klass), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))
#define GTK_IS_FILE_FOLDER_UNIX_CLASS(klass)  (G_TYPE_CHECK_CLASS_TYPE ((klass), GTK_TYPE_FILE_FOLDER_UNIX))
#define GTK_FILE_FOLDER_UNIX_GET_CLASS(obj)   (G_TYPE_INSTANCE_GET_CLASS ((obj), GTK_TYPE_FILE_FOLDER_UNIX, GtkFileFolderUnixClass))

typedef struct _GtkFileFolderUnix      GtkFileFolderUnix;
typedef struct _GtkFileFolderUnixClass GtkFileFolderUnixClass;

struct _GtkFileFolderUnixClass
{
  GObjectClass parent_class;
};

struct _GtkFileFolderUnix
{
  GObject parent_instance;

  GtkFileInfoType types;
  gchar *filename;
};

Owen Taylor's avatar
Owen Taylor committed
71
72
static GObjectClass *system_parent_class;
static GObjectClass *folder_parent_class;
73

Owen Taylor's avatar
Owen Taylor committed
74
75
76
77
78
static void gtk_file_system_unix_class_init   (GtkFileSystemUnixClass *class);
static void gtk_file_system_unix_iface_init   (GtkFileSystemIface     *iface);
static void gtk_file_system_unix_init         (GtkFileSystemUnix      *impl);
static void gtk_file_system_unix_finalize     (GObject                *object);

79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
static GSList *       gtk_file_system_unix_list_roots    (GtkFileSystem      *file_system);
static GtkFileInfo *  gtk_file_system_unix_get_root_info (GtkFileSystem      *file_system,
							  const GtkFilePath  *path,
							  GtkFileInfoType     types,
							  GError            **error);
static GtkFileFolder *gtk_file_system_unix_get_folder    (GtkFileSystem      *file_system,
							  const GtkFilePath  *path,
							  GtkFileInfoType     types,
							  GError            **error);
static gboolean       gtk_file_system_unix_create_folder (GtkFileSystem      *file_system,
							  const GtkFilePath  *path,
							  GError            **error);
static gboolean       gtk_file_system_unix_get_parent    (GtkFileSystem      *file_system,
							  const GtkFilePath  *path,
							  GtkFilePath       **parent,
							  GError            **error);
static GtkFilePath *  gtk_file_system_unix_make_path     (GtkFileSystem      *file_system,
							  const GtkFilePath  *base_path,
							  const gchar        *display_name,
							  GError            **error);
static gboolean       gtk_file_system_unix_parse         (GtkFileSystem      *file_system,
							  const GtkFilePath  *base_path,
							  const gchar        *str,
							  GtkFilePath       **folder,
							  gchar             **file_part,
							  GError            **error);

static gchar *      gtk_file_system_unix_path_to_uri      (GtkFileSystem     *file_system,
							   const GtkFilePath *path);
static gchar *      gtk_file_system_unix_path_to_filename (GtkFileSystem     *file_system,
							   const GtkFilePath *path);
static GtkFilePath *gtk_file_system_unix_uri_to_path      (GtkFileSystem     *file_system,
							   const gchar       *uri);
static GtkFilePath *gtk_file_system_unix_filename_to_path (GtkFileSystem     *file_system,
							   const gchar       *filename);
Owen Taylor's avatar
Owen Taylor committed
114
115
116
117
118
119
120
121

static GType gtk_file_folder_unix_get_type   (void);
static void  gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class);
static void  gtk_file_folder_unix_iface_init (GtkFileFolderIface     *iface);
static void  gtk_file_folder_unix_init       (GtkFileFolderUnix      *impl);
static void  gtk_file_folder_unix_finalize   (GObject                *object);

static GtkFileInfo *gtk_file_folder_unix_get_info      (GtkFileFolder  *folder,
122
							const GtkFilePath    *path,
Owen Taylor's avatar
Owen Taylor committed
123
124
125
126
127
							GError        **error);
static gboolean     gtk_file_folder_unix_list_children (GtkFileFolder  *folder,
							GSList        **children,
							GError        **error);

128
129
130
static gchar *      filename_from_path (const GtkFilePath *path);
static GtkFilePath *filename_to_path   (const gchar       *filename);

Owen Taylor's avatar
Owen Taylor committed
131
132
133
134
135
136
137
138
139
static gboolean     filename_is_root  (const char       *filename);
static GtkFileInfo *filename_get_info (const gchar      *filename,
				       GtkFileInfoType   types,
				       GError          **error);

/*
 * GtkFileSystemUnix
 */
GType
Owen Taylor's avatar
Owen Taylor committed
140
gtk_file_system_unix_get_type (void)
Owen Taylor's avatar
Owen Taylor committed
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
{
  static GType file_system_unix_type = 0;

  if (!file_system_unix_type)
    {
      static const GTypeInfo file_system_unix_info =
      {
	sizeof (GtkFileSystemUnixClass),
	NULL,		/* base_init */
	NULL,		/* base_finalize */
	(GClassInitFunc) gtk_file_system_unix_class_init,
	NULL,		/* class_finalize */
	NULL,		/* class_data */
	sizeof (GtkFileSystemUnix),
	0,		/* n_preallocs */
	(GInstanceInitFunc) gtk_file_system_unix_init,
      };
      
      static const GInterfaceInfo file_system_info =
      {
	(GInterfaceInitFunc) gtk_file_system_unix_iface_init, /* interface_init */
	NULL,			                              /* interface_finalize */
	NULL			                              /* interface_data */
      };

      file_system_unix_type = g_type_register_static (G_TYPE_OBJECT,
						      "GtkFileSystemUnix",
						      &file_system_unix_info, 0);
      g_type_add_interface_static (file_system_unix_type,
				   GTK_TYPE_FILE_SYSTEM,
				   &file_system_info);
    }

  return file_system_unix_type;
}

177
/**
Owen Taylor's avatar
Owen Taylor committed
178
 * gtk_file_system_unix_new:
179
180
181
182
183
184
185
186
 * 
 * Creates a new #GtkFileSystemUnix object. #GtkFileSystemUnix
 * implements the #GtkFileSystem interface with direct access to
 * the filesystem using Unix/Linux API calls
 * 
 * Return value: the new #GtkFileSystemUnix object
 **/
GtkFileSystem *
Owen Taylor's avatar
Owen Taylor committed
187
gtk_file_system_unix_new (void)
188
189
190
191
{
  return g_object_new (GTK_TYPE_FILE_SYSTEM_UNIX, NULL);
}

Owen Taylor's avatar
Owen Taylor committed
192
193
194
195
static void
gtk_file_system_unix_class_init (GtkFileSystemUnixClass *class)
{
  GObjectClass *gobject_class = G_OBJECT_CLASS (class);
196
197

  system_parent_class = g_type_class_peek_parent (class);
Owen Taylor's avatar
Owen Taylor committed
198
199
200
201
202
203
204
205
206
207
208
209
  
  gobject_class->finalize = gtk_file_system_unix_finalize;
}

static void
gtk_file_system_unix_iface_init   (GtkFileSystemIface *iface)
{
  iface->list_roots = gtk_file_system_unix_list_roots;
  iface->get_folder = gtk_file_system_unix_get_folder;
  iface->get_root_info = gtk_file_system_unix_get_root_info;
  iface->create_folder = gtk_file_system_unix_create_folder;
  iface->get_parent = gtk_file_system_unix_get_parent;
210
  iface->make_path = gtk_file_system_unix_make_path;
211
  iface->parse = gtk_file_system_unix_parse;
212
213
214
215
  iface->path_to_uri = gtk_file_system_unix_path_to_uri;
  iface->path_to_filename = gtk_file_system_unix_path_to_filename;
  iface->uri_to_path = gtk_file_system_unix_uri_to_path;
  iface->filename_to_path = gtk_file_system_unix_filename_to_path;
Owen Taylor's avatar
Owen Taylor committed
216
217
218
219
220
221
222
223
224
225
}

static void
gtk_file_system_unix_init (GtkFileSystemUnix *system_unix)
{
}

static void
gtk_file_system_unix_finalize (GObject *object)
{
226
  system_parent_class->finalize (object);
Owen Taylor's avatar
Owen Taylor committed
227
228
229
230
231
}

static GSList *
gtk_file_system_unix_list_roots (GtkFileSystem *file_system)
{
232
  return g_slist_append (NULL, gtk_file_path_new_dup ("/"));
Owen Taylor's avatar
Owen Taylor committed
233
234
235
236
}

static GtkFileInfo *
gtk_file_system_unix_get_root_info (GtkFileSystem    *file_system,
237
				    const GtkFilePath      *path,
Owen Taylor's avatar
Owen Taylor committed
238
239
240
				    GtkFileInfoType   types,
				    GError          **error)
{
241
242
243
  const gchar *filename = gtk_file_path_get_string (path);
  
  g_return_val_if_fail (strcmp (filename, "/") == 0, NULL);
Owen Taylor's avatar
Owen Taylor committed
244
245
246
247
248

  return filename_get_info ("/", types, error);
}

static GtkFileFolder *
249
250
251
252
gtk_file_system_unix_get_folder (GtkFileSystem     *file_system,
				 const GtkFilePath *path,
				 GtkFileInfoType    types,
				 GError           **error)
Owen Taylor's avatar
Owen Taylor committed
253
254
255
256
{
  GtkFileFolderUnix *folder_unix;
  gchar *filename;

257
258
  filename = filename_from_path (path);
  g_return_val_if_fail (filename != NULL, NULL);
Owen Taylor's avatar
Owen Taylor committed
259
260
261
262
263
264
265
266
267

  folder_unix = g_object_new (GTK_TYPE_FILE_FOLDER_UNIX, NULL);
  folder_unix->filename = filename;
  folder_unix->types = types;

  return GTK_FILE_FOLDER (folder_unix);
}

static gboolean
268
269
270
gtk_file_system_unix_create_folder (GtkFileSystem     *file_system,
				    const GtkFilePath *path,
				    GError           **error)
Owen Taylor's avatar
Owen Taylor committed
271
272
273
274
{
  gchar *filename;
  gboolean result;

275
276
277
  filename = filename_from_path (path);
  g_return_val_if_fail (filename != NULL, FALSE);
  
Owen Taylor's avatar
Owen Taylor committed
278
279
280
281
282
283
284
  result = mkdir (filename, 0777) != 0;
  
  if (!result)
    {
      gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
      g_set_error (error,
		   GTK_FILE_SYSTEM_ERROR,
285
		   GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
Owen Taylor's avatar
Owen Taylor committed
286
287
288
289
290
291
292
293
294
295
296
297
		   "error creating directory '%s': %s",
		   filename_utf8 ? filename_utf8 : "???",
		   g_strerror (errno));
      g_free (filename_utf8);
    }
  
  g_free (filename);
  
  return result;
}

static gboolean
298
299
300
301
gtk_file_system_unix_get_parent (GtkFileSystem     *file_system,
				 const GtkFilePath *path,
				 GtkFilePath      **parent,
				 GError           **error)
Owen Taylor's avatar
Owen Taylor committed
302
{
303
304
  gchar *filename = filename_from_path (path);
  g_return_val_if_fail (filename != NULL, FALSE);
Owen Taylor's avatar
Owen Taylor committed
305
306
307
308
309
310
311
312

  if (filename_is_root (filename))
    {
      *parent = NULL;
    }
  else
    {
      gchar *parent_filename = g_path_get_dirname (filename);
313
      *parent = filename_to_path (parent_filename);
Owen Taylor's avatar
Owen Taylor committed
314
315
316
317
318
319
320
321
      g_free (parent_filename);
    }

  g_free (filename);

  return TRUE;
}

322
323
324
325
326
static GtkFilePath *
gtk_file_system_unix_make_path (GtkFileSystem    *file_system,
			       const GtkFilePath *base_path,
			       const gchar       *display_name,
			       GError           **error)
Owen Taylor's avatar
Owen Taylor committed
327
328
329
330
331
{
  gchar *base_filename;
  gchar *filename;
  gchar *full_filename;
  GError *tmp_error = NULL;
332
  GtkFilePath *result;
Owen Taylor's avatar
Owen Taylor committed
333
  
334
335
  base_filename = filename_from_path (base_path);
  g_return_val_if_fail (base_filename != NULL, NULL);
Owen Taylor's avatar
Owen Taylor committed
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352

  filename = g_filename_from_utf8 (display_name, -1, NULL, NULL, &tmp_error);
  if (!filename)
    {
      g_set_error (error,
		   GTK_FILE_SYSTEM_ERROR,
		   GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
		   "%s",
		   tmp_error->message);
      
      g_error_free (tmp_error);
      g_free (base_filename);

      return FALSE;
    }
    
  full_filename = g_build_filename (base_filename, filename, NULL);
353
  result = filename_to_path (full_filename);
Owen Taylor's avatar
Owen Taylor committed
354
355
356
357
  g_free (base_filename);
  g_free (filename);
  g_free (full_filename);
  
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
  return result;
}

/* If this was a publically exported function, it should return
 * a dup'ed result, but we make it modify-in-place for efficiency
 * here, and because it works for us.
 */
static void
canonicalize_filename (gchar *filename)
{
  gchar *p, *q;
  gboolean last_was_slash = FALSE;

  p = filename;
  q = filename;

  while (*p)
    {
      if (*p == G_DIR_SEPARATOR)
	{
	  if (!last_was_slash)
	    *q++ = G_DIR_SEPARATOR;

	  last_was_slash = TRUE;
	}
      else
	{
	  if (last_was_slash && *p == '.')
	    {
	      if (*(p + 1) == G_DIR_SEPARATOR ||
		  *(p + 1) == '\0')
		{
		  if (*(p + 1) == '\0')
		    break;
		  
		  p += 1;
		}
	      else if (*(p + 1) == '.' &&
		       (*(p + 2) == G_DIR_SEPARATOR ||
			*(p + 2) == '\0'))
		{
		  if (q > filename + 1)
		    {
		      q--;
		      while (q > filename + 1 &&
			     *(q - 1) != G_DIR_SEPARATOR)
			q--;
		    }

		  if (*(p + 2) == '\0')
		    break;
		  
		  p += 2;
		}
	      else
		{
		  *q++ = *p;
		  last_was_slash = FALSE;
		}
	    }
	  else
	    {
	      *q++ = *p;
	      last_was_slash = FALSE;
	    }
	}

      p++;
    }

  if (q > filename + 1 && *(q - 1) == G_DIR_SEPARATOR)
    q--;

  *q = '\0';
}

static gboolean
435
436
437
438
439
440
gtk_file_system_unix_parse (GtkFileSystem     *file_system,
			    const GtkFilePath *base_path,
			    const gchar       *str,
			    GtkFilePath      **folder,
			    gchar            **file_part,
			    GError           **error)
441
442
443
444
445
{
  char *base_filename;
  gchar *last_slash;
  gboolean result = FALSE;

446
447
  base_filename = filename_from_path (base_path);
  g_return_val_if_fail (base_filename != NULL, FALSE);
448
449
450
451
  
  last_slash = strrchr (str, G_DIR_SEPARATOR);
  if (!last_slash)
    {
452
      *folder = gtk_file_path_copy (base_path);
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
      *file_part = g_strdup (str);
      result = TRUE;
    }
  else
    {
      gchar *folder_part;
      gchar *folder_path;
      GError *tmp_error = NULL;

      if (last_slash == str)
	folder_part = g_strdup ("/");
      else
	folder_part = g_filename_from_utf8 (str, last_slash - str,
					    NULL, NULL, &tmp_error);

      if (!folder_part)
	{
	  g_set_error (error,
		       GTK_FILE_SYSTEM_ERROR,
		       GTK_FILE_SYSTEM_ERROR_BAD_FILENAME,
		       "%s",
		       tmp_error->message);
	  g_error_free (tmp_error);
	}
      else
	{
	  if (folder_part[0] == G_DIR_SEPARATOR)
	    folder_path = folder_part;
	  else
	    {
	      folder_path = g_build_filename (base_filename, folder_part, NULL);
	      g_free (folder_part);
	    }

	  canonicalize_filename (folder_path);
	  
489
	  *folder = filename_to_path (folder_path);
490
491
492
493
494
495
496
497
498
499
	  *file_part = g_strdup (last_slash + 1);

	  g_free (folder_path);

	  result = TRUE;
	}
    }

  g_free (base_filename);
  
Owen Taylor's avatar
Owen Taylor committed
500
501
502
  return result;
}

503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
static gchar *
gtk_file_system_unix_path_to_uri (GtkFileSystem     *file_system,
				  const GtkFilePath *path)
{
  return g_filename_to_uri (gtk_file_path_get_string (path), NULL, NULL);
}

static gchar *
gtk_file_system_unix_path_to_filename (GtkFileSystem     *file_system,
				       const GtkFilePath *path)
{
  return g_strdup (gtk_file_path_get_string (path));
}

static GtkFilePath *
gtk_file_system_unix_uri_to_path (GtkFileSystem     *file_system,
				  const gchar       *uri)
{
  gchar *filename = g_filename_from_uri (uri, NULL, NULL);
  if (filename)
    return gtk_file_path_new_steal (filename);
  else
    return NULL;
}

static GtkFilePath *
gtk_file_system_unix_filename_to_path (GtkFileSystem *file_system,
				       const gchar   *filename)
{
  return gtk_file_path_new_dup (filename);
}

Owen Taylor's avatar
Owen Taylor committed
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
/*
 * GtkFileFolderUnix
 */
static GType
gtk_file_folder_unix_get_type (void)
{
  static GType file_folder_unix_type = 0;

  if (!file_folder_unix_type)
    {
      static const GTypeInfo file_folder_unix_info =
      {
	sizeof (GtkFileFolderUnixClass),
	NULL,		/* base_init */
	NULL,		/* base_finalize */
	(GClassInitFunc) gtk_file_folder_unix_class_init,
	NULL,		/* class_finalize */
	NULL,		/* class_data */
	sizeof (GtkFileFolderUnix),
	0,		/* n_preallocs */
	(GInstanceInitFunc) gtk_file_folder_unix_init,
      };
      
      static const GInterfaceInfo file_folder_info =
      {
	(GInterfaceInitFunc) gtk_file_folder_unix_iface_init, /* interface_init */
	NULL,			                              /* interface_finalize */
	NULL			                              /* interface_data */
      };

      file_folder_unix_type = g_type_register_static (G_TYPE_OBJECT,
						      "GtkFileFolderUnix",
						      &file_folder_unix_info, 0);
      g_type_add_interface_static (file_folder_unix_type,
				   GTK_TYPE_FILE_FOLDER,
				   &file_folder_info);
    }

  return file_folder_unix_type;
}

static void
gtk_file_folder_unix_class_init (GtkFileFolderUnixClass *class)
{
  GObjectClass *gobject_class = G_OBJECT_CLASS (class);

581
582
  folder_parent_class = g_type_class_peek_parent (class);

Owen Taylor's avatar
Owen Taylor committed
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
  gobject_class->finalize = gtk_file_folder_unix_finalize;
}

static void
gtk_file_folder_unix_iface_init (GtkFileFolderIface *iface)
{
  iface->get_info = gtk_file_folder_unix_get_info;
  iface->list_children = gtk_file_folder_unix_list_children;
}

static void
gtk_file_folder_unix_init (GtkFileFolderUnix *impl)
{
}

static void
gtk_file_folder_unix_finalize (GObject *object)
{
  GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (object);

  g_free (folder_unix->filename);
604
605
  
  folder_parent_class->finalize (object);
Owen Taylor's avatar
Owen Taylor committed
606
607
608
609
}

static GtkFileInfo *
gtk_file_folder_unix_get_info (GtkFileFolder  *folder,
610
			       const GtkFilePath    *path,
Owen Taylor's avatar
Owen Taylor committed
611
612
613
614
615
616
617
			       GError        **error)
{
  GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
  GtkFileInfo *info;
  gchar *dirname;
  gchar *filename;
  
618
619
  filename = filename_from_path (path);
  g_return_val_if_fail (filename != NULL, NULL);
Owen Taylor's avatar
Owen Taylor committed
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647

  dirname = g_path_get_dirname (filename);
  g_return_val_if_fail (strcmp (dirname, folder_unix->filename) == 0, NULL);
  g_free (dirname);

  info = filename_get_info (filename, folder_unix->types, error);

  g_free (filename);

  return info;
}

static gboolean
gtk_file_folder_unix_list_children (GtkFileFolder  *folder,
				    GSList        **children,
				    GError        **error)
{
  GtkFileFolderUnix *folder_unix = GTK_FILE_FOLDER_UNIX (folder);
  GError *tmp_error = NULL;
  GDir *dir;

  *children = NULL;

  dir = g_dir_open (folder_unix->filename, 0, &tmp_error);
  if (!dir)
    {
      g_set_error (error,
		   GTK_FILE_SYSTEM_ERROR,
648
		   GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
Owen Taylor's avatar
Owen Taylor committed
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
		   "%s",
		   tmp_error->message);
      
      g_error_free (tmp_error);

      return FALSE;
    }

  while (TRUE)
    {
      const gchar *filename = g_dir_read_name (dir);
      gchar *fullname;

      if (!filename)
	break;

      fullname = g_build_filename (folder_unix->filename, filename, NULL);
666
      *children = g_slist_prepend (*children, filename_to_path (fullname));
Owen Taylor's avatar
Owen Taylor committed
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
      g_free (fullname);
    }

  g_dir_close (dir);

  *children = g_slist_reverse (*children);
  
  return TRUE;
}

static GtkFileInfo *
filename_get_info (const gchar     *filename,
		   GtkFileInfoType  types,
		   GError         **error)
{
  GtkFileInfo *info;
Owen Taylor's avatar
Owen Taylor committed
683
  GtkFileIconType icon_type = GTK_FILE_ICON_REGULAR;
Owen Taylor's avatar
Owen Taylor committed
684
685
686
687
688
689
690
691
692
693
  struct stat statbuf;
  
  /* If stat fails, try to fall back to lstat to catch broken links
   */
  if (stat (filename, &statbuf) != 0 &&
      lstat (filename, &statbuf) != 0)
    {
      gchar *filename_utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
      g_set_error (error,
		   GTK_FILE_SYSTEM_ERROR,
694
		   GTK_FILE_SYSTEM_ERROR_NONEXISTENT,
Owen Taylor's avatar
Owen Taylor committed
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
		   "error getting information for '%s': %s",
		   filename_utf8 ? filename_utf8 : "???",
		   g_strerror (errno));
      g_free (filename_utf8);
      
      return NULL;
    }

  info = gtk_file_info_new ();

  if (filename_is_root (filename))
    {
      if (types & GTK_FILE_INFO_DISPLAY_NAME)
	gtk_file_info_set_display_name (info, "/");
      
      if (types & GTK_FILE_INFO_IS_HIDDEN)
	gtk_file_info_set_is_hidden (info, FALSE);
    }
  else
    {
      gchar *basename = g_path_get_basename (filename);
  
      if (types & GTK_FILE_INFO_DISPLAY_NAME)
	{
	  gchar *display_name = g_filename_to_utf8 (basename, -1, NULL, NULL, NULL);
	  if (!display_name)
	    display_name = g_strescape (basename, NULL);
	  
	  gtk_file_info_set_display_name (info, display_name);
	  
	  g_free (display_name);
	}
      
      if (types & GTK_FILE_INFO_IS_HIDDEN)
	{
	  gtk_file_info_set_is_hidden (info, basename[0] == '.');
	}

      g_free (basename);
    }

  if (types & GTK_FILE_INFO_IS_FOLDER)
    {
      gtk_file_info_set_is_folder (info, S_ISDIR (statbuf.st_mode));
   }

Owen Taylor's avatar
Owen Taylor committed
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
  if (types & GTK_FILE_INFO_ICON)
    {
      if (S_ISBLK (statbuf.st_mode))
	icon_type = GTK_FILE_ICON_BLOCK_DEVICE;
      else if (S_ISLNK (statbuf.st_mode))
	icon_type = GTK_FILE_ICON_BROKEN_SYMBOLIC_LINK;
      else if (S_ISCHR (statbuf.st_mode))
	icon_type = GTK_FILE_ICON_CHARACTER_DEVICE;
      else if (S_ISDIR (statbuf.st_mode))
	icon_type = GTK_FILE_ICON_DIRECTORY;
      else if (S_ISFIFO (statbuf.st_mode))
	icon_type =  GTK_FILE_ICON_FIFO;
      else if (S_ISSOCK (statbuf.st_mode))
	icon_type = GTK_FILE_ICON_SOCKET;

      gtk_file_info_set_icon_type (info, icon_type);
    }

  if ((types & GTK_FILE_INFO_MIME_TYPE) ||
      ((types & GTK_FILE_INFO_ICON) && icon_type == GTK_FILE_ICON_REGULAR))
Owen Taylor's avatar
Owen Taylor committed
761
    {
Owen Taylor's avatar
Owen Taylor committed
762
763
764
765
766
767
768
769
770
      const char *mime_type = xdg_mime_get_mime_type_for_file (filename);
      gtk_file_info_set_mime_type (info, mime_type);

      if ((types & GTK_FILE_INFO_ICON) && icon_type == GTK_FILE_ICON_REGULAR &&
	  (statbuf.st_mode & (S_IXUSR | S_IXGRP | S_IXOTH)) &&
	  (strcmp (mime_type, XDG_MIME_TYPE_UNKNOWN) == 0 ||
	   strcmp (mime_type, "application/x-executable") == 0 ||
	   strcmp (mime_type, "application/x-shellscript") == 0))
	gtk_file_info_set_icon_type (info, GTK_FILE_ICON_EXECUTABLE);
Owen Taylor's avatar
Owen Taylor committed
771
772
773
774
775
776
777
778
779
    }

  if (types & GTK_FILE_INFO_MODIFICATION_TIME)
    {
      gtk_file_info_set_modification_time (info, statbuf.st_mtime);
    }

  if (types & GTK_FILE_INFO_SIZE)
    {
Owen Taylor's avatar
Owen Taylor committed
780
      gtk_file_info_set_size (info, (gint64)statbuf.st_size);
Owen Taylor's avatar
Owen Taylor committed
781
782
783
784
785
786
    }
  
  return info;
}

static gchar *
787
filename_from_path (const GtkFilePath *path)
Owen Taylor's avatar
Owen Taylor committed
788
{
789
  return g_strdup (gtk_file_path_get_string (path));
Owen Taylor's avatar
Owen Taylor committed
790
791
}

792
793
static GtkFilePath *
filename_to_path (const char *filename)
Owen Taylor's avatar
Owen Taylor committed
794
{
795
  return gtk_file_path_new_dup (filename);
Owen Taylor's avatar
Owen Taylor committed
796
797
798
799
800
801
802
803
804
805
806
}

static gboolean
filename_is_root (const char *filename)
{
  const gchar *after_root;
  
  after_root = g_path_skip_root (filename);
  
  return (*after_root == '\0');
}