grive2/libgrive/src/json/JsonWriter.hh

58 lines
1.3 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 "ValVisitor.hh"
#include <memory>
namespace gr {
class DataStream ;
class JsonWriter : public ValVisitor
{
public :
JsonWriter( DataStream *out ) ;
~JsonWriter() ;
void Visit( long long t ) ;
void Visit( double t ) ;
void Visit( const std::string& t ) ;
void Visit( bool t ) ;
void VisitNull() ;
void StartArray() ;
void EndArray() ;
void StartObject() ;
void VisitKey( const std::string& t ) ;
void EndObject() ;
private :
static void WriteCallback( void *ctx, const char *str, std::size_t size ) ;
private :
struct Impl ;
std::auto_ptr<Impl> m_impl ;
} ;
} // end of namespace