| // Copyright 2014 The Cobalt Authors. All Rights Reserved. |
| // |
| // 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. |
| |
| #ifndef COBALT_CSS_PARSER_STRING_POOL_H_ |
| #define COBALT_CSS_PARSER_STRING_POOL_H_ |
| |
| #include <memory> |
| #include <string> |
| |
| |
| namespace cobalt { |
| namespace css_parser { |
| |
| // Manages strings created by a scanner. Those are strings that had to be |
| // modified because they contained an escape sequence. |
| class StringPool { |
| public: |
| StringPool() {} |
| ~StringPool() {} |
| |
| // Returns a new string. The string will be deallocated along with the pool. |
| std::string* AllocateString(); |
| |
| private: |
| std::vector<std::unique_ptr<std::string>> strings_; |
| |
| DISALLOW_COPY_AND_ASSIGN(StringPool); |
| }; |
| |
| inline std::string* StringPool::AllocateString() { |
| strings_.emplace_back(new std::string()); |
| return strings_.back().get(); |
| } |
| |
| } // namespace css_parser |
| } // namespace cobalt |
| |
| #endif // COBALT_CSS_PARSER_STRING_POOL_H_ |