| /* |
| * Copyright 2015 Google Inc. 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/webdriver/protocol/keys.h" |
| |
| #include "base/string_util.h" |
| |
| namespace cobalt { |
| namespace webdriver { |
| namespace protocol { |
| namespace { |
| const char kValueKey[] = "value"; |
| } // namespace |
| |
| base::optional<Keys> Keys::FromValue(const base::Value* value) { |
| const base::DictionaryValue* dictionary; |
| if (!value->GetAsDictionary(&dictionary)) { |
| return base::nullopt; |
| } |
| |
| const base::ListValue* list; |
| if (!dictionary->GetList(kValueKey, &list)) { |
| return base::nullopt; |
| } |
| |
| // Each item in the list should be a string which should be flattened into |
| // a single sequence of keys. |
| std::string keys; |
| for (size_t i = 0; i < list->GetSize(); ++i) { |
| std::string item; |
| if (!list->GetString(i, &item)) { |
| return base::nullopt; |
| } |
| keys += item; |
| } |
| |
| if (!IsStringUTF8(keys)) { |
| return base::nullopt; |
| } |
| |
| return Keys(keys); |
| } |
| |
| } // namespace protocol |
| } // namespace webdriver |
| } // namespace cobalt |