gio/gio-tool-list.c

   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 of the licence, 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 #include "gio-tool.h"
  26
  27
  28 static char *attributes = NULL;
  29 static gboolean show_hidden = FALSE;
  30 static gboolean show_long = FALSE;
  31 static gboolean nofollow_symlinks = FALSE;
  32 static gboolean print_uris = FALSE;
  33
  34 static const GOptionEntry entries[] = {
  35   { "attributes", 'a', 0, G_OPTION_ARG_STRING, &attributes, N_("The attributes to get"), N_("ATTRIBUTES") },
  36   { "hidden", 'h', 0, G_OPTION_ARG_NONE, &show_hidden, N_("Show hidden files"), NULL },
  37   { "long", 'l', 0, G_OPTION_ARG_NONE, &show_long, N_("Use a long listing format"), NULL },
  38   { "nofollow-symlinks", 'n', 0, G_OPTION_ARG_NONE, &nofollow_symlinks, N_("Don’t follow symbolic links"), NULL},
  39   { "print-uris", 'u', 0, G_OPTION_ARG_NONE, &print_uris, N_("Print full URIs"), NULL},
  40   { NULL }
  41 };
  42
  43 static void
  44 show_file_listing (GFileInfo *info, GFile *parent)
  45 {
  46   const char *name, *type;
  47   char *uri = NULL;
  48   goffset size;
  49   char **attributes;
  50   int i;
  51   gboolean first_attr;
  52   GFile *child;
  53
  54   if ((g_file_info_get_is_hidden (info)) && !show_hidden)
  55     return;
  56
  57   name = g_file_info_get_name (info);
  58   if (name == NULL)
  59     name = "";
  60
  61   if (print_uris) {
  62     child = g_file_get_child (parent, name);
  63     uri = g_file_get_uri (child);
  64     g_object_unref (child);
  65   }
  66
  67   size = g_file_info_get_size (info);
  68   type = file_type_to_string (g_file_info_get_file_type (info));
  69   if (show_long)
  70     g_print ("%s\t%"G_GUINT64_FORMAT"\t(%s)", print_uris? uri: name, (guint64)size, type);
  71   else
  72     g_print ("%s", print_uris? uri: name);
  73
  74   if (print_uris)
  75     g_free (uri);
  76
  77   first_attr = TRUE;
  78   attributes = g_file_info_list_attributes (info, NULL);
  79   for (i = 0 ; attributes[i] != NULL; i++)
  80     {
  81       char *val_as_string;
  82
  83       if (!show_long ||
  84           strcmp (attributes[i], G_FILE_ATTRIBUTE_STANDARD_NAME) == 0 ||
  85           strcmp (attributes[i], G_FILE_ATTRIBUTE_STANDARD_SIZE) == 0 ||
  86           strcmp (attributes[i], G_FILE_ATTRIBUTE_STANDARD_TYPE) == 0 ||
  87           strcmp (attributes[i], G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN) == 0)
  88         continue;
  89
  90       if (first_attr)
  91         {
  92           g_print ("\t");
  93           first_attr = FALSE;
  94         }
  95       else
  96         g_print (" ");
  97       val_as_string = g_file_info_get_attribute_as_string (info, attributes[i]);
  98       g_print ("%s=%s", attributes[i], val_as_string);
  99       g_free (val_as_string);
 100     }
 101
 102   g_strfreev (attributes);
 103
 104   g_print ("\n");
 105 }
 106
 107 static gboolean
 108 list (GFile *file)
 109 {
 110   GFileEnumerator *enumerator;
 111   GFileInfo *info;
 112   GError *error;
 113   gboolean res;
 114
 115   error = NULL;
 116   enumerator = g_file_enumerate_children (file,
 117                                           attributes,
 118                                           nofollow_symlinks ? G_FILE_QUERY_INFO_NOFOLLOW_SYMLINKS : 0,
 119                                           NULL,
 120                                           &error);
 121   if (enumerator == NULL)
 122     {
 123       print_file_error (file, error->message);
 124       g_error_free (error);
 125       return FALSE;
 126     }
 127
 128   res = TRUE;
 129   while ((info = g_file_enumerator_next_file (enumerator, NULL, &error)) != NULL)
 130     {
 131       show_file_listing (info, file);
 132       g_object_unref (info);
 133     }
 134
 135   if (error)
 136     {
 137       print_file_error (file, error->message);
 138       g_clear_error (&error);
 139       res = FALSE;
 140     }
 141
 142   if (!g_file_enumerator_close (enumerator, NULL, &error))
 143     {
 144       print_file_error (file, error->message);
 145       g_clear_error (&error);
 146       res = FALSE;
 147     }
 148
 149   return res;
 150 }
 151
 152 int
 153 handle_list (int argc, char *argv[], gboolean do_help)
 154 {
 155   GOptionContext *context;
 156   gchar *param;
 157   GError *error = NULL;
 158   gboolean res;
 159   gint i;
 160   GFile *file;
 161
 162   g_set_prgname ("gio list");
 163
 164   /* Translators: commandline placeholder */
 165   param = g_strdup_printf ("[%s...]", _("LOCATION"));
 166   context = g_option_context_new (param);
 167   g_free (param);
 168   g_option_context_set_help_enabled (context, FALSE);
 169   g_option_context_set_summary (context,
 170       _("List the contents of the locations."));
 171   g_option_context_set_description (context,
 172       _("gio list is similar to the traditional ls utility, but using GIO\n"
 173         "locations instead of local files: for example, you can use something\n"
 174         "like smb://server/resource/file.txt as location. File attributes can\n"
 175         "be specified with their GIO name, e.g. standard::icon"));
 176   g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
 177
 178   if (do_help)
 179     {
 180       show_help (context, NULL);
 181       return 0;
 182     }
 183
 184   if (!g_option_context_parse (context, &argc, &argv, &error))
 185     {
 186       show_help (context, error->message);
 187       g_error_free (error);
 188       return 1;
 189     }
 190
 191   g_option_context_free (context);
 192
 193   if (attributes != NULL)
 194     show_long = TRUE;
 195
 196   attributes = g_strconcat (G_FILE_ATTRIBUTE_STANDARD_NAME ","
 197                             G_FILE_ATTRIBUTE_STANDARD_TYPE ","
 198                             G_FILE_ATTRIBUTE_STANDARD_SIZE ","
 199                             G_FILE_ATTRIBUTE_STANDARD_IS_HIDDEN,
 200                             attributes != NULL ? "," : "",
 201                             attributes,
 202                             NULL);
 203
 204   res = TRUE;
 205   if (argc > 1)
 206     {
 207       for (i = 1; i < argc; i++)
 208         {
 209           file = g_file_new_for_commandline_arg (argv[i]);
 210           res &= list (file);
 211           g_object_unref (file);
 212         }
 213     }
 214   else
 215     {
 216       char *cwd;
 217
 218       cwd = g_get_current_dir ();
 219       file = g_file_new_for_path (cwd);
 220       res = list (file);
 221       g_object_unref (file);
 222       g_free (cwd);
 223     }
 224
 225   g_free (attributes);
 226
 227   return res ? 0 : 2;
 228 }