| // Copyright 2016 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. |
| |
| #include "cobalt/dom/c_val_key_list.h" |
| |
| #include <algorithm> |
| #include <iterator> |
| |
| namespace cobalt { |
| namespace dom { |
| |
| CValKeyList::CValKeyList() {} |
| |
| base::optional<std::string> CValKeyList::Item(uint32 item) { |
| if (item < keys_.size()) { |
| return keys_[item]; |
| } |
| return base::nullopt; |
| } |
| |
| uint32 CValKeyList::length() { return static_cast<uint32>(keys_.size()); } |
| |
| int32 CValKeyList::IndexOf(const std::string& key) { |
| auto iter = std::find(keys_.begin(), keys_.end(), key); |
| return iter == keys_.end() |
| ? -1 |
| : static_cast<int32>(std::distance(keys_.begin(), iter)); |
| } |
| |
| void CValKeyList::AppendKey(const std::string& key) { keys_.push_back(key); } |
| |
| } // namespace dom |
| } // namespace cobalt |