[glom] Added glom_export_po_all command-line too.

[Murray Cumming <murrayc src gnome org>]

commit 649ebc65a82007a4de7aacf5f141b38444db1d59
Author: Murray Cumming <murrayc murrayc com>
Date:   Mon Jan 9 10:13:51 2012 +0100

    Added glom_export_po_all command-line too.
    
    	* Makefile_libglom.am:
    	* glom/glom_export_po_all.cc: This outputs all .po files to a directory.

 ChangeLog                  |    7 ++
 Makefile_libglom.am        |    7 ++-
 glom/.gitignore            |    1 +
 glom/glom_export_po_all.cc |  211 ++++++++++++++++++++++++++++++++++++++++++++
 po/POTFILES.in             |    1 +
 5 files changed, 226 insertions(+), 1 deletions(-)
---
diff --git a/ChangeLog b/ChangeLog
index 2fcadad..63e2ead 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2012-01-09  Murray Cumming  <murrayc murrayc com>
+
+	Added glom_export_po_all command-line too.
+
+	* Makefile_libglom.am:
+	* glom/glom_export_po_all.cc: This outputs all .po files to a directory.
+
 2012-01-08  Murray Cumming  <murrayc murrayc com>
 
 	test_document_export_po: Use msgfmt -c to test the exported .po file.
diff --git a/Makefile_libglom.am b/Makefile_libglom.am
index 71d7510..eea463a 100644
--- a/Makefile_libglom.am
+++ b/Makefile_libglom.am
@@ -87,7 +87,8 @@ glom_commandline_cppflags = $(glom_includes) $(LIBGLOM_CFLAGS) $(PYTHON_CPPFLAGS
 
 bin_PROGRAMS = glom/glom_create_from_example \
   glom/glom_test_connection \
-  glom/glom_export_po
+  glom/glom_export_po \
+  glom/glom_export_po_all
 
 glom_glom_create_from_example_SOURCES = glom/glom_create_from_example.cc
 glom_glom_create_from_example_LDADD = $(glom_commandline_ldadd)
@@ -100,3 +101,7 @@ glom_glom_test_connection_CPPFLAGS = $(glom_commandline_cppflags)
 glom_glom_export_po_SOURCES = glom/glom_export_po.cc
 glom_glom_export_po_LDADD = $(glom_commandline_ldadd)
 glom_glom_export_po_CPPFLAGS = $(glom_commandline_cppflags)
+
+glom_glom_export_po_all_SOURCES = glom/glom_export_po_all.cc
+glom_glom_export_po_all_LDADD = $(glom_commandline_ldadd)
+glom_glom_export_po_all_CPPFLAGS = $(glom_commandline_cppflags)
diff --git a/glom/.gitignore b/glom/.gitignore
index 44c1bc2..5c182f3 100644
--- a/glom/.gitignore
+++ b/glom/.gitignore
@@ -1,5 +1,6 @@
 glom
 glom_create_from_example
 glom_export_po
+glom_export_po_all
 glom_test_connection
 test_pyembed
diff --git a/glom/glom_export_po_all.cc b/glom/glom_export_po_all.cc
new file mode 100644
index 0000000..d6bdc46
--- /dev/null
+++ b/glom/glom_export_po_all.cc
@@ -0,0 +1,211 @@
+/* Glom
+ *
+ * Copyright (C) 2012 Openismus GmbH
+ *
+ * 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 2 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, write to the
+71 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+// For instance:
+// glom_export_po /opt/gnome30/share/doc/glom/examples/example_music_collection.glom --output="/home/someone/something.po"
+
+#include "config.h"
+
+#include <libglom/init.h>
+#include <libglom/translations_po.h>
+#include <giomm/file.h>
+#include <glibmm/optioncontext.h>
+#include <glibmm/convert.h>
+#include <glibmm/miscutils.h>
+#include <iostream>
+
+#include <glibmm/i18n.h>
+
+class GlomCreateOptionGroup : public Glib::OptionGroup
+{
+public:
+  GlomCreateOptionGroup();
+
+  //These instances should live as long as the OptionGroup to which they are added,
+  //and as long as the OptionContext to which those OptionGroups are added.
+  std::string m_arg_filepath_output;
+  Glib::ustring m_arg_locale_id;
+  bool m_arg_version;
+};
+
+GlomCreateOptionGroup::GlomCreateOptionGroup()
+: Glib::OptionGroup("glom_export_po", _("Glom options"), _("Command-line options")),
+  m_arg_version(false)
+{
+  Glib::OptionEntry entry; 
+  entry.set_long_name("output-path");
+  entry.set_short_name('o');
+  entry.set_description(_("The directory path at which to save the created .po files, such as /home/someuser/ ."));
+  add_entry_filename(entry, m_arg_filepath_output);
+
+  entry.set_long_name("version");
+  entry.set_short_name('V');
+  entry.set_description(_("The version of this application."));
+  add_entry(entry, m_arg_version);
+}
+
+int main(int argc, char* argv[])
+{
+  Glom::libglom_init();
+  
+  Glib::OptionContext context;
+  GlomCreateOptionGroup group;
+  context.set_main_group(group);
+
+  try
+  {
+    context.parse(argc, argv);
+  }
+  catch(const Glib::OptionError& ex)
+  {
+      std::cout << _("Error while parsing command-line options: ") << std::endl << ex.what() << std::endl;
+      std::cout << _("Use --help to see a list of available command-line options.") << std::endl;
+      return 0;
+  }
+  catch(const Glib::Error& ex)
+  {
+    std::cout << "Error: " << ex.what() << std::endl;
+    return 0;
+  }
+
+  if(group.m_arg_version)
+  {
+    std::cout << PACKAGE_STRING << std::endl;
+    return 0;
+  }
+
+  // Get a URI for a glom file:
+  Glib::ustring input_uri;
+
+  // The GOption documentation says that options without names will be returned to the application as "rest arguments".
+  // I guess this means they will be left in the argv. Murray.
+  if(input_uri.empty() && (argc > 1))
+  {
+     const char* pch = argv[1];
+     if(pch)
+       input_uri = pch;
+  }
+
+  if(input_uri.empty())
+  {
+    std::cerr << "Please specify a glom file." << std::endl;
+    std::cerr << std::endl << context.get_help() << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  //Get a URI (file://something) from the filepath:
+  Glib::RefPtr<Gio::File> file_input = Gio::File::create_for_commandline_arg(input_uri);
+
+  //Make sure it is really a URI:
+  input_uri = file_input->get_uri();
+
+  if(!file_input->query_exists())
+  {
+    std::cerr << _("The directory does not exist.") << std::endl;
+    std::cerr << "uri: " << input_uri << std::endl;
+
+    std::cerr << std::endl << context.get_help() << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  Gio::FileType file_type = file_input->query_file_type();
+  if(file_type == Gio::FILE_TYPE_DIRECTORY)
+  {
+    std::cerr << _("The Glom file path is a directory instead of a file.") << std::endl;
+    std::cerr << std::endl << context.get_help() << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  //Check the output path: 
+  if(group.m_arg_filepath_output.empty())
+  {
+    std::cerr << _("Please specify an output path.") << std::endl;
+    std::cerr << std::endl << context.get_help() << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  //Get a URI (file://something) from the filepath:
+  Glib::RefPtr<Gio::File> file_output = Gio::File::create_for_commandline_arg(group.m_arg_filepath_output);
+  
+  //Create the directory, if necessary:
+  if(!(file_output->query_exists()))
+  {
+    if(!(file_output->make_directory_with_parents()))
+    {
+      std::cerr << _("The ouput directory could not be created.") << std::endl;
+      return EXIT_FAILURE;
+    }
+  }
+
+  file_type = file_output->query_file_type();
+  if(file_type != Gio::FILE_TYPE_DIRECTORY)
+  {
+    std::cerr << _("Glom: The output file path is not directory.") << std::endl;
+    std::cerr << std::endl << context.get_help() << std::endl;
+    return EXIT_FAILURE;
+  }
+
+
+  // Load the document:
+  Glom::Document document;
+  document.set_file_uri(input_uri);
+  int failure_code = 0;
+  const bool test = document.load(failure_code);
+  //std::cout << "Document load result=" << test << std::endl;
+
+  if(!test)
+  {
+    std::cerr << "Document::load() failed with failure_code=" << failure_code << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  const std::vector<Glib::ustring> locales = document.get_translation_available_locales();
+  if(locales.empty())
+  {
+    std::cerr << "The Glom document has no translations." << std::endl;
+    return EXIT_FAILURE;
+  }
+
+  const Glib::ustring original_locale_id = document.get_translation_original_locale();
+  for(std::vector<Glib::ustring>::const_iterator iter = locales.begin();
+    iter != locales.end(); ++iter)
+  {
+    const Glib::ustring locale_id = *iter;
+    if(locale_id == original_locale_id)
+      continue;
+
+    const Glib::RefPtr<const Gio::File> file_output_full = file_output->get_child(locale_id + ".po");
+    const Glib::ustring output_uri = file_output_full->get_uri();
+
+    const bool succeeded = 
+      Glom::write_translations_to_po_file(&document, output_uri, group.m_arg_locale_id);
+    if(!succeeded)
+    {
+      std::cerr << "Po file creation failed." << std::endl;
+      return EXIT_FAILURE;
+    }
+
+    std::cout << "Po file created at: " << output_uri << std::endl;
+  }
+
+  Glom::libglom_deinit();
+
+  return EXIT_SUCCESS;
+}
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 6cea3c2..8ff5027 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -59,6 +59,7 @@ glom/libglom/report_builder.cc
 glom/libglom/xsl_utils.cc
 glom/glom_create_from_example.cc
 glom/glom_export_po.cc
+glom/glom_export_po_all.cc
 glom/glom_test_connection.cc
 glom/main.cc
 glom/mode_data/box_data_calendar_related.cc