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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 '''A baseclass for simple gatherers based on regular expressions. | |
| 7 ''' | |
| 8 | |
| 9 import re | |
| 10 | |
| 11 from grit.gather import skeleton_gatherer | |
| 12 | |
| 13 | |
| 14 class RegexpGatherer(skeleton_gatherer.SkeletonGatherer): | |
| 15 '''Common functionality of gatherers based on parsing using a single | |
| 16 regular expression. | |
| 17 ''' | |
| 18 | |
| 19 DescriptionMapping_ = { | |
| 20 'CAPTION' : 'This is a caption for a dialog', | |
| 21 'CHECKBOX' : 'This is a label for a checkbox', | |
| 22 'CONTROL': 'This is the text on a control', | |
| 23 'CTEXT': 'This is a label for a control', | |
| 24 'DEFPUSHBUTTON': 'This is a button definition', | |
| 25 'GROUPBOX': 'This is a label for a grouping', | |
| 26 'ICON': 'This is a label for an icon', | |
| 27 'LTEXT': 'This is the text for a label', | |
| 28 'PUSHBUTTON': 'This is the text for a button', | |
| 29 } | |
| 30 | |
| 31 # Contextualization elements. Used for adding additional information | |
| 32 # to the message bundle description string from RC files. | |
| 33 def AddDescriptionElement(self, string): | |
| 34 if self.DescriptionMapping_.has_key(string): | |
| 35 description = self.DescriptionMapping_[string] | |
| 36 else: | |
| 37 description = string | |
| 38 if self.single_message_: | |
| 39 self.single_message_.SetDescription(description) | |
| 40 else: | |
| 41 if (self.translatable_chunk_): | |
| 42 message = self.skeleton_[len(self.skeleton_) - 1].GetMessage() | |
| 43 message.SetDescription(description) | |
| 44 | |
| 45 def _RegExpParse(self, regexp, text_to_parse): | |
| 46 '''An implementation of Parse() that can be used for resource sections that | |
| 47 can be parsed using a single multi-line regular expression. | |
| 48 | |
| 49 All translateables must be in named groups that have names starting with | |
| 50 'text'. All textual IDs must be in named groups that have names starting | |
| 51 with 'id'. All type definitions that can be included in the description | |
| 52 field for contextualization purposes should have a name that starts with | |
| 53 'type'. | |
| 54 | |
| 55 Args: | |
| 56 regexp: re.compile('...', re.MULTILINE) | |
| 57 text_to_parse: | |
| 58 ''' | |
| 59 chunk_start = 0 | |
| 60 for match in regexp.finditer(text_to_parse): | |
| 61 groups = match.groupdict() | |
| 62 keys = groups.keys() | |
| 63 keys.sort() | |
| 64 self.translatable_chunk_ = False | |
| 65 for group in keys: | |
| 66 if group.startswith('id') and groups[group]: | |
| 67 self._AddTextualId(groups[group]) | |
| 68 elif group.startswith('text') and groups[group]: | |
| 69 self._AddNontranslateableChunk( | |
| 70 text_to_parse[chunk_start : match.start(group)]) | |
| 71 chunk_start = match.end(group) # Next chunk will start after the matc
h | |
| 72 self._AddTranslateableChunk(groups[group]) | |
| 73 elif group.startswith('type') and groups[group]: | |
| 74 # Add the description to the skeleton_ list. This works because | |
| 75 # we are using a sort set of keys, and because we assume that the | |
| 76 # group name used for descriptions (type) will come after the "text" | |
| 77 # group in alphabetical order. We also assume that there cannot be | |
| 78 # more than one description per regular expression match. | |
| 79 self.AddDescriptionElement(groups[group]) | |
| 80 | |
| 81 self._AddNontranslateableChunk(text_to_parse[chunk_start:]) | |
| 82 | |
| 83 if self.single_message_: | |
| 84 self.skeleton_.append(self.uberclique.MakeClique(self.single_message_)) | |
| 85 | |
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