grive2/libgrive/src/json/JsonParser.hh

58 lines
1.4 KiB
C++

/*
grive: an GPL program to sync a local directory with Google Drive
Copyright (C) 2013 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.
*/
#pragma once
#include "Val.hh"
#include "util/Exception.hh"
#include "util/DataStream.hh"
#include <string>
#include <memory>
namespace gr {
class ValVisitor ;
Val ParseJson( const std::string& json ) ;
Val ParseJson( DataStream &in ) ;
class JsonParser
{
public :
struct Error : virtual Exception {} ;
typedef boost::error_info<struct ParseErr, std::string> ParseErr_ ;
typedef boost::error_info<struct JsonText, std::string> JsonText_ ;
explicit JsonParser( ValVisitor *callback ) ;
~JsonParser() ;
void Parse( const char *str, std::size_t size ) ;
void Parse( DataStream &in ) ;
void Finish() ;
private :
struct Impl ;
std::auto_ptr<Impl> m_impl ;
} ;
} // end of namespace