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/*
* 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.
*/
#ifndef COBALT_DOM_CHARACTER_DATA_H_
#define COBALT_DOM_CHARACTER_DATA_H_
#include <string>
#include "base/string_piece.h"
#include "cobalt/dom/node.h"
namespace cobalt {
namespace dom {
// Each node inheriting from the CharacterData interface has an associated
// mutable string called data.
// https://www.w3.org/TR/2015/WD-dom-20150428/#interface-characterdata
class CharacterData : public Node {
public:
// Web API: Node
base::optional<std::string> node_value() const OVERRIDE { return data_; }
void set_node_value(const base::optional<std::string>& node_value) OVERRIDE {
data_ = node_value.value_or("");
}
base::optional<std::string> text_content() const OVERRIDE { return data_; }
void set_text_content(
const base::optional<std::string>& text_content) OVERRIDE {
data_ = text_content.value_or("");
}
// Web API: CharacterData
//
std::string data() const { return data_; }
void set_data(const std::string& data) { data_ = data; }
// Custom, not in any spec.
//
// Unlike data() which returns a copy, returns a reference to the underlying
// sequence of characters. This can save copying in layout engine where text
// is broken into words. Should be used carefully to avoid dangling string
// iterators.
const std::string& text() const { return data_; }
DEFINE_WRAPPABLE_TYPE(CharacterData);
protected:
CharacterData(Document* document, const base::StringPiece& data);
~CharacterData() OVERRIDE {}
private:
std::string data_;
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_CHARACTER_DATA_H_