| /* |
| * Copyright 2012 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| // Author: jefftk@google.com (Jeff Kaufman) |
| // |
| // Implementations of FileLoadMappingLiteral and FileLoadMappingRegexp, two |
| // subclasses of the abstract class FileLoadMapping. |
| // |
| // Tests are in file_load_policy_test. |
| |
| #include "net/instaweb/rewriter/public/file_load_mapping.h" |
| #include "pagespeed/kernel/base/string.h" |
| #include "pagespeed/kernel/base/string_util.h" |
| #include "pagespeed/kernel/util/re2.h" |
| |
| namespace net_instaweb { |
| |
| FileLoadMapping::~FileLoadMapping() {} |
| |
| bool FileLoadMappingRegexp::Substitute(StringPiece url, |
| GoogleString* filename) const { |
| GoogleString potential_filename; |
| url.CopyToString(&potential_filename); |
| const bool ok = |
| RE2::Replace(&potential_filename, url_regexp_, filename_prefix_); |
| if (ok) { |
| filename->swap(potential_filename); // Using swap() to avoid copying. |
| } |
| return ok; |
| } |
| |
| bool FileLoadMappingLiteral::Substitute(StringPiece url, |
| GoogleString* filename) const { |
| if (url.starts_with(url_prefix_)) { |
| // Replace url_prefix_ with filename_prefix_. |
| const StringPiece suffix = url.substr(url_prefix_.size()); |
| *filename = StrCat(filename_prefix_, suffix); |
| return true; |
| } |
| return false; |
| } |
| |
| } // namespace net_instaweb |