mirror of https://github.com/vitalif/grive2
75 lines
1.6 KiB
C++
75 lines
1.6 KiB
C++
/*
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grive: an GPL program to sync a local directory with Google Drive
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Copyright (C) 2013 Wan Wai Ho
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation version 2
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of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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MA 02110-1301, USA.
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*/
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#pragma once
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#include "ValVisitor.hh"
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#include "Val.hh"
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#include "util/Exception.hh"
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#include <stack>
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#include <memory>
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namespace gr {
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class ValBuilder : public ValVisitor
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{
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public :
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struct Error : virtual Exception {} ;
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typedef boost::error_info<struct Mismatch, Val> Mismatch_ ;
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typedef boost::error_info<struct Unexpected, Val> Unexpected_ ;
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typedef boost::error_info<struct NoKey, Val> NoKey_ ;
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public :
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ValBuilder( ) ;
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~ValBuilder() ;
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void Visit( long long t ) ;
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void Visit( double t ) ;
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void Visit( const std::string& t ) ;
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void Visit( bool t ) ;
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void VisitNull() ;
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void Build( const Val& t ) ;
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void StartArray() ;
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void EndArray() ;
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void StartObject() ;
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void VisitKey( const std::string& t ) ;
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void EndObject() ;
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Val Result() const ;
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private :
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void End( Val::TypeEnum type ) ;
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private :
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struct Level
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{
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Val key ;
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Val val ;
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} ;
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std::stack<Level> m_ctx ;
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} ;
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} // end of namespace
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