JsonParser.hh

/*
    autojson: A JSON parser base on the automaton provided by json.org
    Copyright (C) 2014  Wan Wai Ho

    This program is free software; you can redistribute it and/or
    modify it under the terms of the GNU General Public License
    as published by the Free Software Foundation version 2
    of the License.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program; if not, write to the Free Software
    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
    02110-1301, USA.
*/

#ifndef JSONPARSER_HH_INCLUDED
#define JSONPARSER_HH_INCLUDED

#include "Reactor.hh"
#include <memory>
#include <vector>

namespace ajs {

class JsonParser
{
public :
    template <typename R, typename DestType>
    JsonParser(const R& reactor, DestType& t) :
        m_reactor(new R(reactor)),
        m_parser(new_JSON_checker(5))
    {
        ParseState p {m_reactor.get(), &t};
        m_stack.push_back(p);
    }

    
    void Parse(const char *json, std::size_t len);

private :
    static void Callback(void *user, JSON_event type, const char *data, size_t len);

private :
    std::unique_ptr<Reactor>    m_reactor;
    std::vector<ParseState>     m_stack;
    JSON_checker                m_parser;
};

} // end of namespace

#endif