Parser.h

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// Parser.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 <yaml.h>

#include <exception>

#include "Node.h"
#include "YamlExn.h"

namespace HoverRace {
namespace Util {
namespace yaml {

class ParserExn : public YamlExn
{
    using SUPER = YamlExn;

public:
    ParserExn() : SUPER() { }
    ParserExn(const char *const &s) : SUPER(s) { }
    virtual ~ParserExn() noexcept { }
};

class EmptyDocParserExn : public ParserExn
{
    using SUPER = ParserExn;

public:
    EmptyDocParserExn() : SUPER() { }
    EmptyDocParserExn(const char *const &s) : SUPER(s) { }
    virtual ~EmptyDocParserExn() noexcept { }
};

class Parser
{
private:
    Parser() = delete;
public:
    Parser(FILE *file);
    Parser(std::istream &is);
    virtual ~Parser();

protected:
    void InitParser();
    void InitStream();

private:
    void Cleanup();

public:
    Node *GetRootNode() const { return root; }

private:
    yaml_parser_t parser;
    yaml_document_t *doc;
    Node *root;
};

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