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| 1 # Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 # Use of this source code is governed by a BSD-style license that can be | |
| 3 # found in the LICENSE file. | |
| 4 | |
| 5 import os.path | |
| 6 | |
| 7 from code import Code | |
| 8 import cpp_util | |
| 9 | |
| 10 | |
| 11 class CCGenerator(object): | |
| 12 def Generate(self, feature_defs, source_file, namespace): | |
| 13 return _Generator(feature_defs, source_file, namespace).Generate() | |
| 14 | |
| 15 | |
| 16 class _Generator(object): | |
| 17 """A .cc generator for features. | |
| 18 """ | |
| 19 def __init__(self, feature_defs, source_file, namespace): | |
| 20 self._feature_defs = feature_defs | |
| 21 self._source_file = source_file | |
| 22 self._source_file_filename, _ = os.path.splitext(source_file) | |
| 23 self._class_name = cpp_util.ClassName(self._source_file_filename) | |
| 24 self._namespace = namespace | |
| 25 | |
| 26 def Generate(self): | |
| 27 """Generates a Code object for features. | |
| 28 """ | |
| 29 c = Code() | |
| 30 (c.Append(cpp_util.CHROMIUM_LICENSE) | |
| 31 .Append() | |
| 32 .Append(cpp_util.GENERATED_FEATURE_MESSAGE % self._source_file) | |
| 33 .Append() | |
| 34 .Append('#include <string>') | |
| 35 .Append() | |
| 36 .Append('#include "%s.h"' % self._source_file_filename) | |
| 37 .Append() | |
| 38 .Append('#include "base/logging.h"') | |
| 39 .Append() | |
| 40 .Concat(cpp_util.OpenNamespace(self._namespace)) | |
| 41 .Append() | |
| 42 ) | |
| 43 | |
| 44 # Generate the constructor. | |
| 45 (c.Append('%s::%s() {' % (self._class_name, self._class_name)) | |
| 46 .Sblock() | |
| 47 ) | |
| 48 for feature in self._feature_defs: | |
| 49 c.Append('features_["%s"] = %s;' | |
| 50 % (feature.name, cpp_util.ConstantName(feature.name))) | |
| 51 (c.Eblock() | |
| 52 .Append('}') | |
| 53 .Append() | |
| 54 ) | |
| 55 | |
| 56 # Generate the ToString function. | |
| 57 (c.Append('const char* %s::ToString(' | |
| 58 '%s::ID id) const {' % (self._class_name, self._class_name)) | |
| 59 .Sblock() | |
| 60 .Append('switch (id) {') | |
| 61 .Sblock() | |
| 62 ) | |
| 63 for feature in self._feature_defs: | |
| 64 c.Append('case %s: return "%s";' % | |
| 65 (cpp_util.ConstantName(feature.name), feature.name)) | |
| 66 (c.Append('case kUnknown: break;') | |
| 67 .Append('case kEnumBoundary: break;') | |
| 68 .Eblock() | |
| 69 .Append('}') | |
| 70 .Append('NOTREACHED();') | |
| 71 .Append('return "";') | |
| 72 ) | |
| 73 (c.Eblock() | |
| 74 .Append('}') | |
| 75 .Append() | |
| 76 ) | |
| 77 | |
| 78 # Generate the FromString function. | |
| 79 | |
| 80 (c.Append('%s::ID %s::FromString(' | |
| 81 'const std::string& id) const {' | |
| 82 % (self._class_name, self._class_name)) | |
| 83 .Sblock() | |
| 84 .Append('std::map<std::string, %s::ID>::const_iterator it' | |
| 85 ' = features_.find(id);' % self._class_name) | |
| 86 .Append('if (it == features_.end())') | |
| 87 .Append(' return kUnknown;') | |
| 88 .Append('return it->second;') | |
| 89 .Eblock() | |
| 90 .Append('}') | |
| 91 .Append() | |
| 92 .Cblock(cpp_util.CloseNamespace(self._namespace)) | |
| 93 ) | |
| 94 | |
| 95 return c | |
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Chromium Code Reviews
Issue 25940002:
Revert 226826 "This is a preliminary patch to auto-generate the ..." (Closed)
Base URL: svn://svn.chromium.org/chrome/