meta-get.c 4.19 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 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 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198
#include "config.h"
#include "metatree.h"
#include <glib/gstdio.h>

static char *treename = NULL;
static char *treefilename = NULL;
static gboolean recursive = FALSE;
static GOptionEntry entries[] =
{
  { "tree", 't', 0, G_OPTION_ARG_STRING, &treename, "Tree", NULL},
  { "file", 'f', 0, G_OPTION_ARG_STRING, &treefilename, "Tree file", NULL},
  { "recursive", 'r', 0, G_OPTION_ARG_NONE, &recursive, "Recursive", NULL},
  { NULL }
};

static gboolean
print_key (const char *key,
	   MetaKeyType type,
	   gpointer value,
	   gpointer user_data)
{
  int indent = GPOINTER_TO_INT (user_data);
  char **values;
  int i;

  g_assert (type != META_KEY_TYPE_NONE);

  if (type == META_KEY_TYPE_STRING)
    g_print ("%*s%s=%s\n", indent, "",key, (char *)value);
  else
    {
      values = value;
      g_print ("%*s%s=[", indent, "",key);
      for (i = 0; values[i] != NULL; i++)
	{
	  if (values[i+1] != NULL)
	    g_print ("%s,", values[i]);
	  else
	    g_print ("%s", values[i]);
	}
      g_print ("]\n");
    }
  return TRUE;
}

static gboolean
prepend_name (const char *entry,
	      guint64 last_changed,
	      gboolean has_children,
	      gboolean has_data,
	      gpointer user_data)
{
  GList **children = user_data;

  *children = g_list_prepend (*children,
			      g_strdup (entry));
  return TRUE;
}

static void
enum_keys (MetaTree *tree, char *path,
	   gboolean recurse, int indent)
{
  GList *children, *l;
  char *child_name, *child_path;

  g_print ("%*s%s\n", indent, "", path);
  meta_tree_enumerate_keys (tree, path,
			    print_key, GINT_TO_POINTER (indent+1));

  if (recurse)
    {
      children = NULL;
      meta_tree_enumerate_dir (tree, path,
			       prepend_name,
			       &children);
      for (l = children; l != NULL; l = l->next)
	{
	  child_name = l->data;
	  child_path = g_build_filename (path, l->data, NULL);
	  g_free (child_name);

	  enum_keys (tree, child_path, recurse, indent + 3);

	  g_free (child_path);
	}
      g_list_free (children);
    }
}

int
main (int argc,
      char *argv[])
{
  MetaTree *tree;
  GError *error = NULL;
  GOptionContext *context;
  MetaKeyType type;
  const char *path, *key;
  MetaLookupCache *lookup;
  struct stat statbuf;
  char *tree_path;
  char **strings;
  int i, j;

  context = g_option_context_new ("<path> [keys..]- read metadata");
  g_option_context_add_main_entries (context, entries, GETTEXT_PACKAGE);
  if (!g_option_context_parse (context, &argc, &argv, &error))
    {
      g_printerr ("option parsing failed: %s\n", error->message);
      return 1;
    }

  if (argc < 2)
    {
      g_printerr ("no path specified\n");
      return 1;
    }
  path = argv[1];

  if (treefilename)
    {
      tree = meta_tree_open (treefilename, FALSE);
      if (tree)
	tree_path = g_strdup (path);

      if (tree == NULL)
	{
	  g_printerr ("can't open metadata file %s\n", treefilename);
	  return 1;
	}
    }
  else if (treename)
    {
      tree = meta_tree_lookup_by_name (treename, FALSE);
      if (tree)
	tree_path = g_strdup (path);

      if (tree == NULL)
	{
	  g_printerr ("can't open metadata tree %s\n", path);
	  return 1;
	}
    }
  else
    {
      lookup = meta_lookup_cache_new ();
      if (g_lstat (path, &statbuf) != 0)
	{
	  g_printerr ("can't find file %s\n", path);
	  return 1;
	}
      tree = meta_lookup_cache_lookup_path (lookup,
					    path,
					    statbuf.st_dev,
					    FALSE,
					    &tree_path);
      meta_lookup_cache_free (lookup);

      if (tree == NULL)
	{
	  g_printerr ("can't open metadata tree for file %s\n", path);
	  return 1;
	}
    }

  if (argc > 2)
    {
      for (i = 2; i < argc; i++)
	{
	  key = argv[i];
	  type = meta_tree_lookup_key_type  (tree, tree_path, key);
	  if (type == META_KEY_TYPE_NONE)
	    g_print ("%s Not set\n", key);
	  else if (type == META_KEY_TYPE_STRING)
	    g_print ("%s=%s\n", key, meta_tree_lookup_string (tree, path, key));
	  else
	    {
	      strings = meta_tree_lookup_stringv (tree, path, key);
	      g_print ("%s=[", key);
	      for (j = 0; strings[j] != NULL; j++)
		{
		  if (strings[j+1] == NULL)
		    g_print ("%s", strings[j]);
		  else
		    g_print ("%s,", strings[j]);
		}
	      g_print ("]\n");
	    }
	}
    }
  else
    {
      enum_keys (tree, tree_path, recursive, 0);
    }

  return 0;
}