1 files changed, 195 insertions, 0 deletions
diff --git a/plug-ins/help/gimp-help-lookup.c b/plug-ins/help/gimp-help-lookup.c
new file mode 100644
index 0000000..6b9f20e
--- /dev/null
+++ b/plug-ins/help/gimp-help-lookup.c
@@ -0,0 +1,195 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995 Spencer Kimball and Peter Mattis
+ *
+ * gimp-help-lookup - a standalone gimp-help ID to filename mapper
+ * Copyright (C)  2004-2008 Sven Neumann <sven@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 <stdlib.h>
+#include <string.h>
+
+#include "libgimp/gimp.h"
+
+#include "gimphelp.h"
+
+
+static void               show_version (void) G_GNUC_NORETURN;
+
+static gchar            * lookup       (const gchar *help_domain,
+                                        const gchar *help_locales,
+                                        const gchar *help_id);
+
+static GimpHelpProgress * progress_new (void);
+
+
+static const gchar  *help_base    = NULL;
+static       gchar  *help_root    = NULL;
+static const gchar  *help_locales = NULL;
+static const gchar **help_ids     = NULL;
+
+static gboolean      be_verbose   = FALSE;
+
+
+static const GOptionEntry entries[] =
+{
+  { "version", 'v', 0,
+    G_OPTION_ARG_CALLBACK, (GOptionArgFunc) show_version,
+    "Show version information and exit", NULL
+  },
+  { "base", 'b', 0,
+    G_OPTION_ARG_STRING, &help_base,
+    "Specifies base URI", "URI"
+  },
+  { "root", 'r', 0,
+    G_OPTION_ARG_FILENAME, &help_root,
+    "Specifies root directory for index files", "DIR"
+  },
+  { "lang", 'l', 0,
+    G_OPTION_ARG_STRING, &help_locales,
+    "Specifies help language", "LANG"
+  },
+  {
+    "verbose", 0, 0,
+    G_OPTION_ARG_NONE, &be_verbose,
+    "Be more verbose", NULL
+  },
+  {
+    G_OPTION_REMAINING, 0, 0,
+    G_OPTION_ARG_STRING_ARRAY, &help_ids,
+    NULL, NULL
+  },
+  { NULL }
+};
+
+
+gint
+main (gint   argc,
+      gchar *argv[])
+{
+  GOptionContext *context;
+  gchar          *uri;
+  GError         *error = NULL;
+
+  help_base = g_getenv (GIMP_HELP_ENV_URI);
+  help_root = g_build_filename (gimp_data_directory (), GIMP_HELP_PREFIX, NULL);
+
+  context = g_option_context_new ("HELP-ID");
+  g_option_context_add_main_entries (context, entries, NULL);
+
+  if (! g_option_context_parse (context, &argc, &argv, &error))
+    {
+      g_print ("%s\n", error->message);
+      g_error_free (error);
+      return EXIT_FAILURE;
+    }
+
+  if (help_base)
+    uri = g_strdup (help_base);
+  else
+    uri = g_filename_to_uri (help_root, NULL, NULL);
+
+  gimp_help_register_domain (GIMP_HELP_DEFAULT_DOMAIN, uri);
+  g_free (uri);
+
+  uri = lookup (GIMP_HELP_DEFAULT_DOMAIN,
+                help_locales ? help_locales : GIMP_HELP_DEFAULT_LOCALE,
+                help_ids     ? help_ids[0]  : GIMP_HELP_DEFAULT_ID);
+
+  if (uri)
+    {
+      g_print ("%s\n", uri);
+      g_free (uri);
+    }
+
+  g_option_context_free (context);
+  g_free (help_root);
+
+  return uri ? EXIT_SUCCESS : EXIT_FAILURE;
+}
+
+static gchar *
+lookup (const gchar *help_domain,
+        const gchar *help_locales,
+        const gchar *help_id)
+{
+  GimpHelpDomain *domain = gimp_help_lookup_domain (help_domain);
+
+  if (domain)
+    {
+      GimpHelpProgress *progress = progress_new ();
+      GList            *locales;
+      gchar            *full_uri;
+
+      locales  = gimp_help_parse_locales (help_locales);
+      full_uri = gimp_help_domain_map (domain, locales, help_id, progress,
+                                       NULL, NULL);
+
+      gimp_help_progress_free (progress);
+
+      g_list_free_full (locales, (GDestroyNotify) g_free);
+
+      return full_uri;
+    }
+
+  return NULL;
+}
+
+static void
+show_version (void)
+{
+  g_print ("gimp-help-lookup version %s\n", GIMP_VERSION);
+  exit (EXIT_SUCCESS);
+}
+
+
+static void
+progress_start (const gchar *message,
+                gboolean     cancelable,
+                gpointer     user_data)
+{
+  if (be_verbose)
+    g_printerr ("\n%s\n", message);
+}
+
+static void
+progress_end (gpointer user_data)
+{
+  if (be_verbose)
+    g_printerr ("done\n");
+}
+
+static void
+progress_set_value (gdouble  percentage,
+                    gpointer user_data)
+{
+  if (be_verbose)
+    g_printerr (".");
+}
+
+static GimpHelpProgress *
+progress_new (void)
+{
+  const GimpHelpProgressVTable vtable =
+    {
+      progress_start,
+      progress_end,
+      progress_set_value
+    };
+
+  return gimp_help_progress_new (&vtable, NULL);
+}