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1 #!/usr/bin/env python | |
2 # Copyright (c) 2012 The Chromium Authors. All rights reserved. | |
3 # Use of this source code is governed by a BSD-style license that can be | |
4 # found in the LICENSE file. | |
5 | |
6 """Formats as a .js file using a map: <english text> -> <localized text>. | |
7 """ | |
8 | |
9 import re | |
10 | |
11 from grit import util | |
12 | |
13 | |
14 """The required preamble for JS files.""" | |
15 _HEADER = '// This file is automatically generated by GRIT. Do not edit.\n' | |
16 | |
17 | |
18 def Format(root, lang='en', output_dir='.'): | |
19 from grit.node import empty, message | |
20 yield _HEADER | |
21 for item in root.ActiveDescendants(): | |
22 with item: | |
23 if isinstance(item, message.MessageNode): | |
24 yield _FormatMessage(item, lang) | |
25 elif isinstance(item, empty.MessagesNode): | |
26 yield '\n' | |
27 | |
28 | |
29 def _FormatMessage(item, lang): | |
30 """Format a single message.""" | |
31 | |
32 en_message = item.ws_at_start + item.Translate('en') + item.ws_at_end | |
33 # Remove position numbers from placeholders. | |
34 en_message = re.sub(r'%\d\$([a-z])', r'%\1', en_message) | |
35 # Escape double quotes. | |
36 en_message = re.sub(r'\\', r'\\\\', en_message) | |
37 en_message = re.sub(r'"', r'\"', en_message) | |
38 | |
39 loc_message = item.ws_at_start + item.Translate(lang) + item.ws_at_end | |
40 # Escape double quotes. | |
41 loc_message = re.sub(r'\\', r'\\\\', loc_message) | |
42 loc_message = re.sub(r'"', r'\"', loc_message) | |
43 | |
44 return '\nlocalizedStrings["%s"] = "%s";' % (en_message, loc_message) | |
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