[grilo] grl-inspect: Group sources by plugin, and sort alphabetically

[Juan A. Suarez Romero <jasuarez src gnome org>]

commit ed556e13bfc817982f5d04ca4f2a8ba01f41ae83
Author: Juan A. Suarez Romero <jasuarez igalia com>
Date:   Wed Mar 27 18:17:52 2013 +0000

    grl-inspect: Group sources by plugin, and sort alphabetically

 tools/grilo-inspect/grl-inspect.c | 68 +++++++++++++++++++++++++++++----------
 1 file changed, 51 insertions(+), 17 deletions(-)
---
diff --git a/tools/grilo-inspect/grl-inspect.c b/tools/grilo-inspect/grl-inspect.c
index c0e7905..98a8463 100644
--- a/tools/grilo-inspect/grl-inspect.c
+++ b/tools/grilo-inspect/grl-inspect.c
@@ -61,38 +61,72 @@ static GOptionEntry entries[] = {
   { NULL }
 };
 
+static gint
+compare_keys (gpointer key1,
+              gpointer key2)
+{
+  const gchar *key1_name =
+    grl_metadata_key_get_name (GRLPOINTER_TO_KEYID (key1));
+  const gchar *key2_name =
+    grl_metadata_key_get_name (GRLPOINTER_TO_KEYID (key2));
+
+  return g_strcmp0 (key1_name, key2_name);
+}
+
 static void
 list_all_sources (void)
 {
-  GList *sources = NULL;
+  GHashTable *grouped;
+  GList *plugins;
+  GList *plugins_iter;
+  GList *sources;
+  GList *sources_for_plugin;
   GList *sources_iter;
+  GrlPlugin *plugin;
+  GrlSource *source;
+  const gchar *plugin_id;
+  const gchar *source_id;
 
   sources = grl_registry_get_sources (registry, FALSE);
 
+  /* Group all sources by plugin */
+  grouped = g_hash_table_new (g_str_hash, g_direct_equal);
+
   for (sources_iter = sources; sources_iter;
       sources_iter = g_list_next (sources_iter)) {
-    GrlSource *source;
-    GrlPlugin *plugin;
-
     source = GRL_SOURCE (sources_iter->data);
     plugin = grl_source_get_plugin (source);
-
-    g_print ("%s:  %s\n",
-             grl_plugin_get_id (plugin),
-             grl_source_get_id (source));
+    source_id = grl_source_get_id (source);
+    plugin_id = grl_plugin_get_id (plugin);
+
+    sources_for_plugin = g_hash_table_lookup (grouped, plugin_id);
+    sources_for_plugin = g_list_insert_sorted (sources_for_plugin,
+                                               (gchar *) source_id,
+                                               (GCompareFunc) g_strcmp0);
+    g_hash_table_insert (grouped, (gchar *) plugin_id, sources_for_plugin);
   }
+
   g_list_free (sources);
-}
 
-static gint
-compare_keys (gpointer key1, gpointer key2)
-{
-  const gchar *key1_name =
-    grl_metadata_key_get_name (GRLPOINTER_TO_KEYID (key1));
-  const gchar *key2_name =
-    grl_metadata_key_get_name (GRLPOINTER_TO_KEYID (key2));
+  /* Sort and show */
+  plugins = g_hash_table_get_keys (grouped);
+  plugins = g_list_sort (plugins, (GCompareFunc) g_strcmp0);
+  for (plugins_iter = plugins;
+       plugins_iter;
+       plugins_iter = g_list_next (plugins_iter)) {
+    g_print ("%s:", (gchar *) plugins_iter->data);
+    sources_for_plugin = g_hash_table_lookup (grouped, plugins_iter->data);
+      for (sources_iter = sources_for_plugin;
+         sources_iter;
+         sources_iter = g_list_next (sources_iter)) {
+      g_print ("  %s", (gchar *) sources_iter->data);
+    }
+    g_print ("\n");
+    g_list_free (sources_for_plugin);
+  }
 
-  return g_strcmp0 (key1_name, key2_name);
+  g_list_free (plugins);
+  g_hash_table_unref (grouped);
 }
 
 static void