Starting mac l10n:...

build/mac/generate_localizer

Index: build/mac/generate_localizer
===================================================================
--- build/mac/generate_localizer	(revision 0)
+++ build/mac/generate_localizer	(revision 0)
@@ -0,0 +1,175 @@
+#!/usr/bin/python
+
+# Copyright (c) 2009 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Usage: generate_localizer [xib_path] [output_dot_h_path] [output_dot_mm_path]
+#
+# Extracts all the localizable strings that start with "^IDS" from the given
+# xib file, and then generates a localizer to process those strings.
+
+import os.path
+import plistlib
+import subprocess
+import sys
+
+generate_localizer = "me"
+
+localizer_template_h = \
+'''//          ---------- WARNING ----------
+// THIS IS A GENERATED FILE, DO NOT EDIT IT DIRECTLY!
+//
+// Generated by %(generate_localizer)s.
+// Generated from %(xib_file)s.
+//
+
+#ifndef %(class_name)s_LOCALIZER_H_
+#define %(class_name)s_LOCALIZER_H_
+
+#import "third_party/GTM/AppKit/GTMUILocalizer.h"
+
+// A subclass of GTMUILocalizer that handles localizes based on resource
+// constants.
+
+@interface %(class_name)sLocalizer : GTMUILocalizer {
+}
+@end
+
+#endif  // %(class_name)s_LOCALIZER_H_
+'''
+
+localizer_template_mm = \
+'''//          ---------- WARNING ----------
+// THIS IS A GENERATED FILE, DO NOT EDIT IT DIRECTLY!
+//
+// Generated by '%(generate_localizer)s'.
+// Generated from '%(xib_file)s'.
+//
+
+#import "%(header_name)s"
+
+#import "chrome/browser/cocoa/ui_localizer.h"
+#include "grit/chromium_strings.h"
+#include "grit/generated_resources.h"
+
+@implementation %(class_name)sLocalizer
+
+- (NSString *)localizedStringForString:(NSString *)string {
+
+  static const ui_localizer::ResourceMap kUIResources[] = {
+%(resource_map_list)s  };
+  static const size_t kUIResourcesSize = arraysize(kUIResources);
+
+  return ui_localizer::LocalizedStringForKeyFromMapList(string,
+                                                        kUIResources,
+                                                        kUIResourcesSize);
+}
+
+@end
+'''
+
+def xib_localizable_strings(xib_path):
+  """Runs ibtool to extract the localizable strings data from the xib."""
+  ibtool_cmd = subprocess.Popen(['/usr/bin/ibtool', '--localizable-strings',
+                                 xib_path],
+                                stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+  (cmd_out, cmd_err) = ibtool_cmd.communicate()
+  if ibtool_cmd.returncode:
+    sys.stderr.write('%s:0: error: ibtool on "%s" failed (%d):\n%s\n' %
+                     (generate_localizer, xib_path, ibtool_cmd.returncode,
+                      cmd_err))
+    return None
+  return cmd_out
+
+def extract_resource_constants(plist_localizable_strings_dict, xib_path):
+  """Extracts all the values that start with ^IDS from the localizable
+  strings plist entry."""
+  constants_list = []
+  for item_dict in plist_localizable_strings_dict.itervalues():
+    for item_value in item_dict.itervalues():
+      if item_value.startswith('^IDS'):
+        constants_list.append(item_value)
+      elif item_value.startswith('IDS'):
+        sys.stderr.write(
+            '%s:0: warning: %s found a string with questionable prefix, "%s"\n'
+            % (xib_path, generate_localizer, item_value));
+  return constants_list
+
+def generate_files_contents(class_name, constants_list, header_name, xib_path):
+  """Generates a localizer files contents from the list of constants."""
+  # Copy and sort the list, then build the strings we need from it.
+  constants_list = constants_list[:]
+  constants_list.sort()
+  constant_list_str = ''
+  for item in constants_list:
+    parts = item.split('$', 1)
+    label_id = parts[0]
+    if len(parts) == 2:
+      label_arg_id = parts[1]
+    else:
+      label_arg_id = '0'
+    constant_list_str += '    { "%s", %s, %s },\n' % \
+        ( item, label_id[1:], label_arg_id)
+  # Assemble the contents from the templates.
+  values_dict = {
+    'class_name': class_name,
+    'header_name': header_name,
+    'resource_map_list': constant_list_str,
+    'generate_localizer': generate_localizer,
+    'xib_file': xib_path,
+  }
+  h_file = localizer_template_h % values_dict
+  mm_file = localizer_template_mm % values_dict
+  return (h_file, mm_file)
+
+
+def Main(argv=None):
+  global generate_localizer
+  generate_localizer = os.path.basename(argv[0])
+
+  # Args
+  if len(argv) != 4:
+    sys.stderr.write('%s:0: error: Expected xib and output file arguments\n' %
+                     generate_localizer);
+    return 1
+  xib_path, output_h_path, output_mm_path = argv[1:]
+
+  # Run ibtool and convert to something Python can deal with
+  plist_string = xib_localizable_strings(xib_path)
+  if not plist_string:
+    return 2
+  plist = plistlib.readPlistFromString(plist_string)
+
+  # Extract the resource constant strings
+  localizable_strings = plist['com.apple.ibtool.document.localizable-strings']
+  constants_list = extract_resource_constants(localizable_strings, xib_path)
+  if not constants_list:
+    sys.stderr.write("%s:0: warning: %s didn't find any resource strings\n" %
+                     xib_path, generate_localizer);
+
+  # Name the class based on the output file
+  class_name = os.path.splitext(os.path.basename(output_h_path))[0]
+  suffix = '_localizer'
+  if class_name.endswith(suffix):
+    class_name = class_name[:-len(suffix)];
+  class_name = class_name.replace('_', ' ').title().replace(' ', '');
+
+  # Generate our file contents
+  (h_file_content, mm_file_content) = \
+      generate_files_contents(class_name, constants_list,
+                              os.path.basename(output_h_path),
+                              xib_path)
+
+  # Write out the files
+  file_fd = open(output_h_path, 'w')
+  file_fd.write(h_file_content)
+  file_fd.close()
+  file_fd = open(output_mm_path, 'w')
+  file_fd.write(mm_file_content)
+  file_fd.close()
+
+  return 0
+
+if __name__ == '__main__':
+  sys.exit(Main(sys.argv))
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