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-rw-r--r--app/config/gimplangrc.c280
1 files changed, 280 insertions, 0 deletions
diff --git a/app/config/gimplangrc.c b/app/config/gimplangrc.c
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+++ b/app/config/gimplangrc.c
@@ -0,0 +1,280 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * GimpLangRc: pre-parsing of gimprc returning the language.
+ * Copyright (C) 2017 Jehan <jehan@gimp.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "config.h"
+
+#include <gio/gio.h>
+
+#include "libgimpbase/gimpbase.h"
+#include "libgimpconfig/gimpconfig.h"
+
+#include "config-types.h"
+
+#include "gimplangrc.h"
+
+enum
+{
+ PROP_0,
+ PROP_VERBOSE,
+ PROP_SYSTEM_GIMPRC,
+ PROP_USER_GIMPRC,
+ PROP_LANGUAGE
+};
+
+
+static void gimp_lang_rc_constructed (GObject *object);
+static void gimp_lang_rc_finalize (GObject *object);
+static void gimp_lang_rc_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec);
+static void gimp_lang_rc_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec);
+
+
+/* Just use GimpConfig interface's default implementation which will
+ * fill the PROP_LANGUAGE property. */
+G_DEFINE_TYPE_WITH_CODE (GimpLangRc, gimp_lang_rc, G_TYPE_OBJECT,
+ G_IMPLEMENT_INTERFACE (GIMP_TYPE_CONFIG, NULL))
+
+#define parent_class gimp_lang_rc_parent_class
+
+
+static void
+gimp_lang_rc_class_init (GimpLangRcClass *klass)
+{
+ GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+ object_class->constructed = gimp_lang_rc_constructed;
+ object_class->finalize = gimp_lang_rc_finalize;
+ object_class->set_property = gimp_lang_rc_set_property;
+ object_class->get_property = gimp_lang_rc_get_property;
+
+ g_object_class_install_property (object_class, PROP_VERBOSE,
+ g_param_spec_boolean ("verbose",
+ NULL, NULL,
+ FALSE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_SYSTEM_GIMPRC,
+ g_param_spec_object ("system-gimprc",
+ NULL, NULL,
+ G_TYPE_FILE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ g_object_class_install_property (object_class, PROP_USER_GIMPRC,
+ g_param_spec_object ("user-gimprc",
+ NULL, NULL,
+ G_TYPE_FILE,
+ G_PARAM_READWRITE |
+ G_PARAM_CONSTRUCT_ONLY));
+
+ GIMP_CONFIG_PROP_STRING (object_class, PROP_LANGUAGE,
+ "language", NULL, NULL, NULL,
+ GIMP_PARAM_STATIC_STRINGS);
+
+}
+
+static void
+gimp_lang_rc_init (GimpLangRc *rc)
+{
+}
+
+static void
+gimp_lang_rc_constructed (GObject *object)
+{
+ GimpLangRc *rc = GIMP_LANG_RC (object);
+ GError *error = NULL;
+
+ if (rc->verbose)
+ g_print ("Parsing '%s' for configured language.\n",
+ gimp_file_get_utf8_name (rc->system_gimprc));
+
+ if (! gimp_config_deserialize_gfile (GIMP_CONFIG (rc),
+ rc->system_gimprc, NULL, &error))
+ {
+ if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
+ g_message ("%s", error->message);
+
+ g_clear_error (&error);
+ }
+
+ if (rc->verbose)
+ g_print ("Parsing '%s' for configured language.\n",
+ gimp_file_get_utf8_name (rc->user_gimprc));
+
+ if (! gimp_config_deserialize_gfile (GIMP_CONFIG (rc),
+ rc->user_gimprc, NULL, &error))
+ {
+ if (error->code != GIMP_CONFIG_ERROR_OPEN_ENOENT)
+ g_message ("%s", error->message);
+
+ g_clear_error (&error);
+ }
+
+ if (rc->verbose)
+ {
+ if (rc->language)
+ g_print ("Language property found: %s.\n", rc->language);
+ else
+ g_print ("No language property found.\n");
+ }
+}
+
+static void
+gimp_lang_rc_finalize (GObject *object)
+{
+ GimpLangRc *rc = GIMP_LANG_RC (object);
+
+ g_clear_object (&rc->system_gimprc);
+ g_clear_object (&rc->user_gimprc);
+
+ g_clear_pointer (&rc->language, g_free);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+static void
+gimp_lang_rc_set_property (GObject *object,
+ guint property_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ GimpLangRc *rc = GIMP_LANG_RC (object);
+
+ switch (property_id)
+ {
+ case PROP_VERBOSE:
+ rc->verbose = g_value_get_boolean (value);
+ break;
+
+ case PROP_SYSTEM_GIMPRC:
+ if (rc->system_gimprc)
+ g_object_unref (rc->system_gimprc);
+
+ if (g_value_get_object (value))
+ rc->system_gimprc = g_value_dup_object (value);
+ else
+ rc->system_gimprc = gimp_sysconf_directory_file ("gimprc", NULL);
+ break;
+
+ case PROP_USER_GIMPRC:
+ if (rc->user_gimprc)
+ g_object_unref (rc->user_gimprc);
+
+ if (g_value_get_object (value))
+ rc->user_gimprc = g_value_dup_object (value);
+ else
+ rc->user_gimprc = gimp_directory_file ("gimprc", NULL);
+ break;
+
+ case PROP_LANGUAGE:
+ if (rc->language)
+ g_free (rc->language);
+ rc->language = g_value_dup_string (value);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+static void
+gimp_lang_rc_get_property (GObject *object,
+ guint property_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GimpLangRc *rc = GIMP_LANG_RC (object);
+
+ switch (property_id)
+ {
+ case PROP_VERBOSE:
+ g_value_set_boolean (value, rc->verbose);
+ break;
+ case PROP_SYSTEM_GIMPRC:
+ g_value_set_object (value, rc->system_gimprc);
+ break;
+ case PROP_USER_GIMPRC:
+ g_value_set_object (value, rc->user_gimprc);
+ break;
+ case PROP_LANGUAGE:
+ g_value_set_string (value, rc->language);
+ break;
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
+ break;
+ }
+}
+
+/**
+ * gimp_lang_rc_new:
+ * @system_gimprc: the name of the system-wide gimprc file or %NULL to
+ * use the standard location
+ * @user_gimprc: the name of the user gimprc file or %NULL to use the
+ * standard location
+ * @verbose: enable console messages about loading the language
+ *
+ * Creates a new GimpLangRc object which only looks for the configure
+ * language.
+ *
+ * Returns: the new #GimpLangRc.
+ */
+GimpLangRc *
+gimp_lang_rc_new (GFile *system_gimprc,
+ GFile *user_gimprc,
+ gboolean verbose)
+{
+ GimpLangRc *rc;
+
+ g_return_val_if_fail (system_gimprc == NULL || G_IS_FILE (system_gimprc),
+ NULL);
+ g_return_val_if_fail (user_gimprc == NULL || G_IS_FILE (user_gimprc),
+ NULL);
+
+ rc = g_object_new (GIMP_TYPE_LANG_RC,
+ "verbose", verbose,
+ "system-gimprc", system_gimprc,
+ "user-gimprc", user_gimprc,
+ NULL);
+
+ return rc;
+}
+
+/**
+ * gimp_lang_rc_get_language:
+ * @lang_rc: a #GimpLangRc object.
+ *
+ * This function looks up the language set in `gimprc`.
+ *
+ * Return value: a newly allocated string representing the language or
+ * %NULL if the key couldn't be found.
+ **/
+gchar *
+gimp_lang_rc_get_language (GimpLangRc *rc)
+{
+ return rc->language ? g_strdup (rc->language) : NULL;
+}
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