[glib/new-gsettings] l10n for gsettings

[Ryan Lortie <ryanl src gnome org>]

commit 2f9292fb849cc639574bab3635990b53a3fdf8f9
Author: Ryan Lortie <desrt desrt ca>
Date:   Wed Apr 14 22:28:02 2010 -0400

    l10n for gsettings

 gio/gsettings.c       |   75 +++++++++++++++++++++++++++++++++++++++++++++++--
 gio/gsettingsschema.c |   19 ++++++++++++
 gio/gsettingsschema.h |    1 +
 3 files changed, 92 insertions(+), 3 deletions(-)
---
diff --git a/gio/gsettings.c b/gio/gsettings.c
index 0e4ec55..28e8090 100644
--- a/gio/gsettings.c
+++ b/gio/gsettings.c
@@ -11,6 +11,7 @@
 #include "config.h"
 #include <glib.h>
 #include <glibintl.h>
+#include <locale.h>
 
 #include "gsettings.h"
 
@@ -587,13 +588,66 @@ GVariant *
 g_settings_get_value (GSettings   *settings,
                       const gchar *key)
 {
+  GVariant *value, *options;
   const GVariantType *type;
-  GVariant *value;
+  gint lc_category = -1;
   GVariant *sval;
   gchar *path;
 
+  sval = g_settings_schema_get_value (settings->priv->schema, key, &options);
+
+  if G_UNLIKELY (sval == NULL)
+    g_error ("schema '%s' does not contain a key named '%s'\n",
+             settings->priv->schema_name, key);
+
+  if (options != NULL)
+    {
+      GVariantIter iter;
+      const gchar *key;
+      GVariant *value;
+
+      g_variant_iter_init (&iter, options);
+      while (g_variant_iter_loop (&iter, "{sv}", &key, &value))
+        {
+          if (strcmp (key, "l10n") == 0 &&
+              g_variant_is_of_type (value, G_VARIANT_TYPE_STRING))
+            {
+              const gchar *category = g_variant_get_string (value, NULL);
+
+              if (strcmp (category, "ctype") == 0)
+                lc_category = LC_CTYPE;
+              else if (strcmp (category, "numeric") == 0)
+                lc_category = LC_NUMERIC;
+              else if (strcmp (category, "time") == 0)
+                lc_category = LC_TIME;
+              else if (strcmp (category, "collate") == 0)
+                lc_category = LC_COLLATE;
+              else if (strcmp (category, "monetary") == 0)
+                lc_category = LC_MONETARY;
+              else if (strcmp (category, "messages") == 0)
+                lc_category = LC_MESSAGES;
+              else if (strcmp (category, "all") == 0)
+                lc_category = LC_ALL;
+              else if (strcmp (category, "paper") == 0)
+                lc_category = LC_PAPER;
+              else if (strcmp (category, "name") == 0)
+                lc_category = LC_NAME;
+              else if (strcmp (category, "address") == 0)
+                lc_category = LC_ADDRESS;
+              else if (strcmp (category, "telephone") == 0)
+                lc_category = LC_TELEPHONE;
+              else if (strcmp (category, "measurement") == 0)
+                lc_category = LC_MEASUREMENT;
+              else if (strcmp (category, "identification") == 0)
+                lc_category = LC_IDENTIFICATION;
+              else
+                g_error ("schema requests unsupported l10n category: %s",
+                         category);
+            }
+        }
+    }
+
   path = g_strconcat (settings->priv->path, key, NULL);
-  sval = g_settings_schema_get_value (settings->priv->schema, key, NULL);
   type = g_variant_get_type (sval);
   value = g_settings_backend_read (settings->priv->backend, path, type);
   g_free (path);
@@ -605,7 +659,22 @@ g_settings_get_value (GSettings   *settings,
     }
 
   if (value == NULL)
-    value = g_variant_ref (sval);
+    {
+
+      if (lc_category != -1)
+        {
+          const gchar *domain;
+
+          domain = g_settings_schema_get_gettext_domain (settings->priv->schema);
+
+          value = g_variant_ref_sink (g_variant_new_string (
+            dcgettext (domain,
+                       g_variant_get_string (sval, NULL),
+                       lc_category)));
+        }
+      else
+        value = g_variant_ref (sval);
+    }
 
   g_variant_unref (sval);
 
diff --git a/gio/gsettingsschema.c b/gio/gsettingsschema.c
index 49325c2..a9e9851 100644
--- a/gio/gsettingsschema.c
+++ b/gio/gsettingsschema.c
@@ -203,6 +203,25 @@ g_settings_schema_get_path (GSettingsSchema *schema)
   return result;
 }
 
+const gchar *
+g_settings_schema_get_gettext_domain (GSettingsSchema *schema)
+{
+  const gchar *result;
+  GVariant *value;
+
+  value = gvdb_table_get_value (schema->priv->table, ".gettext-domain", NULL);
+
+  if (value && g_variant_is_of_type (value, G_VARIANT_TYPE_STRING))
+    {
+      result = g_variant_get_string (value, NULL);
+      g_variant_unref (value);
+    }
+  else
+    result = NULL;
+
+  return result;
+}
+
 gboolean
 g_settings_schema_has_key (GSettingsSchema *schema,
                            const gchar     *key)
diff --git a/gio/gsettingsschema.h b/gio/gsettingsschema.h
index 8a99254..0cf0086 100644
--- a/gio/gsettingsschema.h
+++ b/gio/gsettingsschema.h
@@ -56,6 +56,7 @@ struct _GSettingsSchema
 GType                   g_settings_schema_get_type                      (void);
 GSettingsSchema *       g_settings_schema_new                           (const gchar      *name);
 const gchar *           g_settings_schema_get_path                      (GSettingsSchema  *schema);
+const gchar *           g_settings_schema_get_gettext_domain            (GSettingsSchema  *schema);
 GVariant *              g_settings_schema_get_value                     (GSettingsSchema  *schema,
                                                                          const gchar      *key,
                                                                          GVariant        **options);