[gtk+/composite-templates-new: 33/33] Extract strings from .ui files without intltool

[Tristan Van Berkom <tvb src gnome org>]

commit 2b48b9355fc570aad2802e02fd9c5cab6c42b281
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Apr 7 23:42:55 2013 -0400

    Extract strings from .ui files without intltool

 gtk/Makefile.am       |   14 ++++-
 gtk/extract-strings.c |  159 +++++++++++++++++++++++++++++++++++++++++++++++++
 po/POTFILES.in        |   23 +++++++
 3 files changed, 195 insertions(+), 1 deletions(-)
---
diff --git a/gtk/Makefile.am b/gtk/Makefile.am
index c75f694..b0ecaef 100644
--- a/gtk/Makefile.am
+++ b/gtk/Makefile.am
@@ -1120,6 +1120,13 @@ COMPOSITE_TEMPLATES =                    \
        gtkstatusbar.ui                 \
        gtkvolumebutton.ui
 
+template_headers = $(COMPOSITE_TEMPLATES:.ui=.ui.h)
+
+MAINTAINERCLEANFILES += $(template_headers)
+
+%.ui.h: %.ui extract-strings
+       $(AM_V_GEN) ./extract-strings $< > $@
+
 #
 # rules to generate built sources
 #
@@ -1164,7 +1171,7 @@ gtktypebuiltins.c: @REBUILD@ $(gtk_public_h_sources) $(deprecated_h_sources) gtk
 gtkresources.h: gtk.gresource.xml
        $(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) $(srcdir)/gtk.gresource.xml \
                --target=$@ --sourcedir=$(srcdir) --c-name _gtk --generate-header --manual-register
-gtkresources.c: gtk.gresource.xml gtk-default.css gtk-win32.css gtk-win32-xp.css gtk-win32-base.css 
gtk-win32-classic.css $(DND_CURSORS) $(COMPOSITE_TEMPLATES)
+gtkresources.c: gtk.gresource.xml gtk-default.css gtk-win32.css gtk-win32-xp.css gtk-win32-base.css 
gtk-win32-classic.css $(DND_CURSORS) $(COMPOSITE_TEMPLATES) $(template_headers)
        $(AM_V_GEN) $(GLIB_COMPILE_RESOURCES) $(srcdir)/gtk.gresource.xml \
                --target=$@ --sourcedir=$(srcdir) --c-name _gtk --generate-source --manual-register
 
@@ -1390,6 +1397,11 @@ gtk_launch_LDADD = $(LDADDS)
 gtk_launch_SOURCES = gtk-launch.c
 endif
 
+noinst_PROGRAMS = extract-strings
+
+extract_strings_SOURCES = extract-strings.c
+extract_strings_LDADD = $(GLIB_LIBS)
+
 .PHONY: files test test-debug
 
 files:
diff --git a/gtk/extract-strings.c b/gtk/extract-strings.c
new file mode 100644
index 0000000..613e738
--- /dev/null
+++ b/gtk/extract-strings.c
@@ -0,0 +1,159 @@
+/* GTK - The GIMP Toolkit
+ * Copyright (C) 2013 Red Hat, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <glib.h>
+
+typedef struct {
+  GString *output;
+  gboolean translatable;
+  gchar *context;
+  gchar *comments;
+  GString *text;
+} ParserData;
+
+static void
+start_element_handler (GMarkupParseContext  *contexts,
+                       const gchar          *element_name,
+                       const gchar         **attribute_names,
+                       const gchar         **attribute_values,
+                       gpointer              user_data,
+                       GError              **error)
+{
+  ParserData *data = user_data;
+
+  if (g_str_equal (element_name, "property"))
+    {
+      gboolean translatable;
+      gchar *context;
+      gchar *comments;
+
+      g_markup_collect_attributes (element_name,
+                                   attribute_names,
+                                   attribute_values,
+                                   error,
+                                   G_MARKUP_COLLECT_STRING, "name", NULL,
+                                   G_MARKUP_COLLECT_TRISTATE, "translatable", &translatable,
+                                   G_MARKUP_COLLECT_STRDUP|G_MARKUP_COLLECT_OPTIONAL, "context", &context,
+                                   G_MARKUP_COLLECT_STRDUP|G_MARKUP_COLLECT_OPTIONAL, "comments", &comments,
+                                   G_MARKUP_COLLECT_INVALID);
+
+      if (translatable == TRUE)
+        {
+          data->translatable = TRUE;
+          data->context = context;
+          data->comments = comments;
+          data->text = g_string_new ("");
+        }
+    }
+}
+
+static void
+end_element_handler (GMarkupParseContext  *context,
+                     const gchar          *element_name,
+                     gpointer              user_data,
+                     GError              **error)
+{
+  ParserData *data = user_data;
+
+  if (!data->translatable)
+    return;
+
+  if (data->comments)
+    g_string_append_printf (data->output, "\n/* %s */\n",
+                            data->comments);
+
+  if (data->context)
+    g_string_append_printf (data->output, "C_(\"%s\", \"%s\")\n",
+                            data->context,
+                            data->text->str);
+  else
+    g_string_append_printf (data->output, "N_(\"%s\")\n",
+                            data->text->str);
+
+  g_free (data->comments);
+  g_free (data->context);
+  g_string_free (data->text, TRUE);
+
+  data->comments = NULL;
+  data->context = NULL;
+  data->text = NULL;
+  data->translatable = FALSE;
+}
+
+static void
+text_handler (GMarkupParseContext  *context,
+              const gchar          *text,
+              gsize                 text_len,
+              gpointer              user_data,
+              GError              **error)
+{
+  ParserData *data = user_data;
+
+  if (!data->translatable)
+    return;
+
+  g_string_append_len (data->text, text, text_len);
+}
+
+static const GMarkupParser parser = {
+  start_element_handler,
+  end_element_handler,
+  text_handler,
+  NULL,
+  NULL
+};
+
+int
+main (int argc, char *argv[])
+{
+  gchar *contents;
+  gsize length;
+  GError *error;
+  GMarkupParseContext *context;
+  ParserData data;
+
+  if (argc < 2)
+    {
+      g_printerr ("Expect a filename\n");
+      return 1;
+    }
+
+  error = NULL;
+  if (!g_file_get_contents (argv[1], &contents, &length, &error))
+    {
+      g_printerr ("%s\n", error->message);
+      g_error_free (error);
+      return 1;
+    }
+
+  data.output = g_string_new ("");
+  data.translatable = FALSE;
+
+  context = g_markup_parse_context_new (&parser, 0, &data, NULL);
+  if (!g_markup_parse_context_parse (context, contents, length, &error))
+    {
+      g_markup_parse_context_free (context);
+      g_free (contents);
+      g_printerr ("%s\n", error->message);
+      g_error_free (error);
+      return 1;
+    }
+
+  g_print ("%s", g_string_free (data.output, FALSE));
+
+  return 0;
+}
diff --git a/po/POTFILES.in b/po/POTFILES.in
index dfb77eb..763e5c5 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -274,3 +274,26 @@ modules/printbackends/file/gtkprintbackendfile.c
 modules/printbackends/lpr/gtkprintbackendlpr.c
 modules/printbackends/papi/gtkprintbackendpapi.c
 modules/printbackends/test/gtkprintbackendtest.c
+gtk/gtkaboutdialog.ui.h
+gtk/gtkappchooserdialog.ui.h
+gtk/gtkappchooserwidget.ui.h
+gtk/gtkassistant.ui.h
+gtk/gtkcolorchooserdialog.ui.h
+gtk/gtkcoloreditor.ui.h
+gtk/gtkdialog.ui.h
+gtk/gtkfilechooserbutton.ui.h
+gtk/gtkfilechooserdefault.ui.h
+gtk/gtkfilechooserdialog.ui.h
+gtk/gtkfontbutton.ui.h
+gtk/gtkfontchooserdialog.ui.h
+gtk/gtkfontchooserwidget.ui.h
+gtk/gtkinfobar.ui.h
+gtk/gtklockbutton.ui.h
+gtk/gtkmessagedialog.ui.h
+gtk/gtkpagesetupunixdialog.ui.h
+gtk/gtkpathbar.ui.h
+gtk/gtkprintunixdialog.ui.h
+gtk/gtkrecentchooserdefault.ui.h
+gtk/gtkscalebutton.ui.h
+gtk/gtkstatusbar.ui.h
+gtk/gtkvolumebutton.ui.h