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// Copyright 2015 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/webdriver/protocol/keys.h"
#include "base/strings/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 (!base::IsStringUTF8(keys)) {
return base::nullopt;
}
return Keys(keys);
}
} // namespace protocol
} // namespace webdriver
} // namespace cobalt