SeqNode.h

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// SeqNode.h
//
// Copyright (c) 2008, 2009, 2015-2016 Michael Imamura.
//
// Licensed under GrokkSoft HoverRace SourceCode License v1.0(the "License");
// you may not use this file except in compliance with the License.
//
// A copy of the license should have been attached to the package from which
// you have taken this file. If you can not find the license you can not use
// this file.
//
//
// The author makes no representations about the suitability of
// this software for any purpose.  It is provided "as is" "AS IS",
// 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.

#pragma once

#include "Node.h"

#include <vector>

namespace HoverRace {
namespace Util {
namespace yaml {

class SeqNode : public Node
{
    using SUPER = Node;

public:
    SeqNode(yaml_document_t *doc, yaml_node_t *node);
    virtual ~SeqNode();

private:
    void Init() const;

public:
    bool IsEmpty() const { return Size() == 0; }
    size_t Size() const;

private:
    using children_t = std::vector<Node*>;

public:
    // STL-like iteration, so we can use range-for on the node itself.
    using iterator = children_t::iterator;
    using const_iterator = children_t::const_iterator;
    using value_type = children_t::value_type;
    const_iterator begin() const;
    iterator begin();
    const_iterator end() const;
    iterator end();

private:
    mutable std::unique_ptr<children_t> children;
};

}  // namespace yaml
}  // namespace Util
}  // namespace HoverRace