1/*
2 * Copyright 2015 Red Hat, Inc.
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
8 *
9 * This library 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 GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
16 *
17 * Author: Matthias Clasen <mclasen@redhat.com>
18 */
19
20#include "config.h"
21
22#include <gio/gio.h>
23#include <gi18n.h>
24
25#ifdef G_OS_UNIX
26#include <gio/gunixmounts.h>
27#endif
28
29#include "gio-tool.h"
30
31static gboolean writable = FALSE;
32static gboolean filesystem = FALSE;
33static char *attributes = NULL;
34static gboolean nofollow_symlinks = FALSE;
35
36static const GOptionEntry entries[] = {
37 { "query-writable", 'w', 0, G_OPTION_ARG_NONE, &writable, N_("List writable attributes"), NULL },
38 { "filesystem", 'f', 0, G_OPTION_ARG_NONE, &filesystem, N_("Get file system info"), NULL },
39 { "attributes", 'a', 0, G_OPTION_ARG_STRING, &attributes, N_("The attributes to get"), N_("ATTRIBUTES") },
40 { "nofollow-symlinks", 'n', 0, G_OPTION_ARG_NONE, &nofollow_symlinks, N_("Don’t follow symbolic links"), NULL },
41 { NULL }
42};
43
44static char *
45escape_string (const char *in)
46{
47 GString *str;
48 static char *hex_digits = "0123456789abcdef";
49 unsigned char c;
50
51
52 str = g_string_new (init: "");
53
54 while ((c = *in++) != 0)
55 {
56 if (c >= 32 && c <= 126 && c != '\\')
57 g_string_append_c (str, c);
58 else
59 {
60 g_string_append (string: str, val: "\\x");
61 g_string_append_c (str, hex_digits[(c >> 4) & 0xf]);
62 g_string_append_c (str, hex_digits[c & 0xf]);
63 }
64 }
65
66 return g_string_free (string: str, FALSE);
67}
68
69static void
70show_attributes (GFileInfo *info)
71{
72 char **attributes;
73 char *s;
74 int i;
75
76 attributes = g_file_info_list_attributes (info, NULL);
77
78 g_print (_("attributes:\n"));
79 for (i = 0; attributes[i] != NULL; i++)
80 {
81 /* list the icons in order rather than displaying "GThemedIcon:0x8df7200" */
82 if (strcmp (s1: attributes[i], s2: "standard::icon") == 0 ||
83 strcmp (s1: attributes[i], s2: "standard::symbolic-icon") == 0)
84 {
85 GIcon *icon;
86 int j;
87 const char * const *names = NULL;
88
89 if (strcmp (s1: attributes[i], s2: "standard::symbolic-icon") == 0)
90 icon = g_file_info_get_symbolic_icon (info);
91 else
92 icon = g_file_info_get_icon (info);
93
94 /* only look up names if GThemedIcon */
95 if (G_IS_THEMED_ICON(icon))
96 {
97 names = g_themed_icon_get_names (G_THEMED_ICON (icon));
98 g_print (format: " %s: ", attributes[i]);
99 for (j = 0; names[j] != NULL; j++)
100 g_print (format: "%s%s", names[j], (names[j+1] == NULL)?"":", ");
101 g_print (format: "\n");
102 }
103 else
104 {
105 s = g_file_info_get_attribute_as_string (info, attribute: attributes[i]);
106 g_print (format: " %s: %s\n", attributes[i], s);
107 g_free (mem: s);
108 }
109 }
110 else
111 {
112 s = g_file_info_get_attribute_as_string (info, attribute: attributes[i]);
113 g_print (format: " %s: %s\n", attributes[i], s);
114 g_free (mem: s);
115 }
116 }
117 g_strfreev (str_array: attributes);
118}
119
120static void
121show_info (GFile *file, GFileInfo *info)
122{
123 const char *name, *type;
124 char *escaped, *uri;
125 goffset size;
126 const char *path;
127#ifdef G_OS_UNIX
128 GUnixMountEntry *entry;
129#endif
130
131 name = g_file_info_get_display_name (info);
132 if (name)
133 /* Translators: This is a noun and represents and attribute of a file */
134 g_print (_("display name: %s\n"), name);
135
136 name = g_file_info_get_edit_name (info);
137 if (name)
138 /* Translators: This is a noun and represents and attribute of a file */
139 g_print (_("edit name: %s\n"), name);
140
141 name = g_file_info_get_name (info);
142 if (name)
143 {
144 escaped = escape_string (in: name);
145 g_print (_("name: %s\n"), escaped);
146 g_free (mem: escaped);
147 }
148
149 if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_TYPE))
150 {
151 type = file_type_to_string (type: g_file_info_get_file_type (info));
152 g_print (_("type: %s\n"), type);
153 }
154
155 if (g_file_info_has_attribute (info, G_FILE_ATTRIBUTE_STANDARD_SIZE))
156 {
157 size = g_file_info_get_size (info);
158 g_print (_("size: "));
159 g_print (format: " %"G_GUINT64_FORMAT"\n", (guint64)size);
160 }
161
162 if (g_file_info_get_is_hidden (info))
163 g_print (_("hidden\n"));
164
165 uri = g_file_get_uri (file);
166 g_print (_("uri: %s\n"), uri);
167 g_free (mem: uri);
168
169 path = g_file_peek_path (file);
170 if (path)
171 {
172 g_print (_("local path: %s\n"), path);
173
174#ifdef G_OS_UNIX
175 entry = g_unix_mount_at (mount_path: path, NULL);
176 if (entry == NULL)
177 entry = g_unix_mount_for (file_path: path, NULL);
178 if (entry != NULL)
179 {
180 gchar *device;
181 const gchar *root;
182 gchar *root_string = NULL;
183 gchar *mount;
184 gchar *fs;
185 const gchar *options;
186 gchar *options_string = NULL;
187
188 device = g_strescape (source: g_unix_mount_get_device_path (mount_entry: entry), NULL);
189 root = g_unix_mount_get_root_path (mount_entry: entry);
190 if (root != NULL && g_strcmp0 (str1: root, str2: "/") != 0)
191 {
192 escaped = g_strescape (source: root, NULL);
193 root_string = g_strconcat (string1: "[", escaped, "]", NULL);
194 g_free (mem: escaped);
195 }
196 mount = g_strescape (source: g_unix_mount_get_mount_path (mount_entry: entry), NULL);
197 fs = g_strescape (source: g_unix_mount_get_fs_type (mount_entry: entry), NULL);
198
199 options = g_unix_mount_get_options (mount_entry: entry);
200 if (options != NULL)
201 {
202 options_string = g_strescape (source: options, NULL);
203 }
204
205 g_print (_("unix mount: %s%s %s %s %s\n"), device,
206 root_string ? root_string : "", mount, fs,
207 options_string ? options_string : "");
208
209 g_free (mem: device);
210 g_free (mem: root_string);
211 g_free (mem: mount);
212 g_free (mem: fs);
213 g_free (mem: options_string);
214
215 g_unix_mount_free (mount_entry: entry);
216 }
217#endif
218 }
219
220 show_attributes (info);
221}
222
223static gboolean
224query_info (GFile *file)
225{
226 GFileQueryInfoFlags flags;
227 GFileInfo *info;
228 GError *error;
229
230 if (file == NULL)
231 return FALSE;
232
233 if (attributes == NULL)
234 attributes = "*";
235
236 flags = 0;
237 if (nofollow_symlinks)
238 flags |= G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS;
239
240 error = NULL;
241 if (filesystem)
242 info = g_file_query_filesystem_info (file, attributes, NULL, error: &error);
243 else
244 info = g_file_query_info (file, attributes, flags, NULL, error: &error);
245
246 if (info == NULL)
247 {
248 print_file_error (file, message: error->message);
249 g_error_free (error);
250 return FALSE;
251 }
252
253 if (filesystem)
254 show_attributes (info);
255 else
256 show_info (file, info);
257
258 g_object_unref (object: info);
259
260 return TRUE;
261}
262
263static gboolean
264get_writable_info (GFile *file)
265{
266 GFileAttributeInfoList *list;
267 GError *error;
268 int i;
269 char *flags;
270
271 if (file == NULL)
272 return FALSE;
273
274 error = NULL;
275
276 list = g_file_query_settable_attributes (file, NULL, error: &error);
277 if (list == NULL)
278 {
279 print_file_error (file, message: error->message);
280 g_error_free (error);
281 return FALSE;
282 }
283
284 if (list->n_infos > 0)
285 {
286 g_print (_("Settable attributes:\n"));
287 for (i = 0; i < list->n_infos; i++)
288 {
289 flags = attribute_flags_to_string (flags: list->infos[i].flags);
290 g_print (format: " %s (%s%s%s)\n",
291 list->infos[i].name,
292 attribute_type_to_string (type: list->infos[i].type),
293 (*flags != 0)?", ":"", flags);
294 g_free (mem: flags);
295 }
296 }
297
298 g_file_attribute_info_list_unref (list);
299
300 list = g_file_query_writable_namespaces (file, NULL, error: &error);
301 if (list == NULL)
302 {
303 print_file_error (file, message: error->message);
304 g_error_free (error);
305 return FALSE;
306 }
307
308 if (list->n_infos > 0)
309 {
310 g_print (_("Writable attribute namespaces:\n"));
311 for (i = 0; i < list->n_infos; i++)
312 {
313 flags = attribute_flags_to_string (flags: list->infos[i].flags);
314 g_print (format: " %s (%s%s%s)\n",
315 list->infos[i].name,
316 attribute_type_to_string (type: list->infos[i].type),
317 (*flags != 0)?", ":"", flags);
318 g_free (mem: flags);
319 }
320 }
321
322 g_file_attribute_info_list_unref (list);
323
324 return TRUE;
325}
326
327int
328handle_info (int argc, char *argv[], gboolean do_help)
329{
330 GOptionContext *context;
331 gchar *param;
332 GError *error = NULL;
333 gboolean res;
334 gint i;
335 GFile *file;
336
337 g_set_prgname (prgname: "gio info");
338
339 /* Translators: commandline placeholder */
340 param = g_strdup_printf (format: "%s…", _("LOCATION"));
341 context = g_option_context_new (parameter_string: param);
342 g_free (mem: param);
343 g_option_context_set_help_enabled (context, FALSE);
344 g_option_context_set_summary (context,
345 _("Show information about locations."));
346 g_option_context_set_description (context,
347 _("gio info is similar to the traditional ls utility, but using GIO\n"
348 "locations instead of local files: for example, you can use something\n"
349 "like smb://server/resource/file.txt as location. File attributes can\n"
350 "be specified with their GIO name, e.g. standard::icon, or just by\n"
351 "namespace, e.g. unix, or by “*”, which matches all attributes"));
352 g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
353
354 if (do_help)
355 {
356 show_help (context, NULL);
357 g_option_context_free (context);
358 return 0;
359 }
360
361 if (!g_option_context_parse (context, argc: &argc, argv: &argv, error: &error))
362 {
363 show_help (context, message: error->message);
364 g_error_free (error);
365 g_option_context_free (context);
366 return 1;
367 }
368
369 if (argc < 2)
370 {
371 show_help (context, _("No locations given"));
372 g_option_context_free (context);
373 return 1;
374 }
375
376 g_option_context_free (context);
377
378 res = TRUE;
379 for (i = 1; i < argc; i++)
380 {
381 file = g_file_new_for_commandline_arg (arg: argv[i]);
382 if (writable)
383 res &= get_writable_info (file);
384 else
385 res &= query_info (file);
386 g_object_unref (object: file);
387 }
388
389 return res ? 0 : 2;
390}
391

source code of gtk/subprojects/glib/gio/gio-tool-info.c