Initial source commit to grit-i18n project.

grit/format/js_map_format.py

+#!/usr/bin/python2.4
+#
+# 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.
+
+"""Formats as a .js file using a map: <english text> -> <localized text>.
+"""
+
+import os
+import re
+import types
+
+from grit import util
+from grit.format import interface
+from grit.node import io
+
+
+class TopLevel(interface.ItemFormatter):
+  """Writes out the required preamble for JS files."""
+
+  def Format(self, item, lang='en', begin_item=True, output_dir='.'):
+    """Format the JS file header."""
+    assert isinstance(lang, types.StringTypes)
+    if not begin_item:
+      return ''
+    else:
+      return '''//  Copyright %d Google Inc. All Rights Reserved.
+// This file is automatically generated by GRIT.  Do not edit.
+''' % (util.GetCurrentYear())
+
+
+class StringTable(interface.ItemFormatter):
+  """Writes out the string table."""
+
+  def Format(self, item, lang='en', begin_item=True, output_dir='.'):
+    if begin_item:
+      return ''
+    else:
+      return '\n'
+
+
+class Message(interface.ItemFormatter):
+  """Writes out a single message."""
+
+  def Format(self, item, lang='en', begin_item=True, output_dir='.'):
+    """Format a single message."""
+    if not begin_item:
+      return ''
+
+    from grit.node import message
+
+    assert isinstance(lang, types.StringTypes)
+    assert isinstance(item, message.MessageNode)
+
+    en_message = item.ws_at_start + item.Translate('en') + item.ws_at_end
+    # Remove position numbers from placeholders.
+    en_message = re.sub(r'%\d\$([a-z])', r'%\1', en_message)
+    # Escape double quotes.
+    en_message = re.sub(r'"', r'\"', en_message)
+
+    loc_message = item.ws_at_start + item.Translate(lang) + item.ws_at_end
+    # Escape double quotes.
+    loc_message = re.sub(r'"', r'\"', loc_message)
+
+    return '\nlocalizedStrings["%s"] = "%s";' % (en_message, loc_message)