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254 lines
8.0 KiB
C
254 lines
8.0 KiB
C
1 year ago
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/***************************************************************************
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* Copyright (C) gempa GmbH *
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* All rights reserved. *
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* Contact: gempa GmbH (seiscomp-dev@gempa.de) *
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* *
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* GNU Affero General Public License Usage *
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* This file may be used under the terms of the GNU Affero *
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* Public License version 3.0 as published by the Free Software Foundation *
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* and appearing in the file LICENSE included in the packaging of this *
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* file. Please review the following information to ensure the GNU Affero *
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* Public License version 3.0 requirements will be met: *
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* https://www.gnu.org/licenses/agpl-3.0.html. *
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* *
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* Other Usage *
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* Alternatively, this file may be used in accordance with the terms and *
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* conditions contained in a signed written agreement between you and *
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* gempa GmbH. *
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***************************************************************************/
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#ifndef SCARCHIVE_BSON_H
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#define SCARCHIVE_BSON_H
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#include <seiscomp/core/io.h>
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#include <seiscomp/core.h>
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namespace Seiscomp {
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namespace IO {
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// >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
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/** \brief An archive using BSON streams
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*/
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class SC_SYSTEM_CORE_API BSONArchive : public Seiscomp::Core::Archive {
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// ----------------------------------------------------------------------
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// Xstruction
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// ----------------------------------------------------------------------
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public:
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//! Constructor
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BSONArchive();
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//! Constructor with predefined buffer and mode
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BSONArchive(std::streambuf* buf, bool isReading = true,
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int forceWriteVersion = -1);
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//! Destructor
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~BSONArchive();
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// ----------------------------------------------------------------------
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// Public Interface
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// ----------------------------------------------------------------------
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public:
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//! Opens an archive reading from a streambuf
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bool open(std::streambuf*);
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//! Implements derived virtual method
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virtual bool open(const char* filename);
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//! Creates an archive writing to a streambuf
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bool create(std::streambuf* buf, bool writeVersion = true);
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//! Implements derived virtual method
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virtual bool create(const char* filename, bool writeVersion = true);
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//! Implements derived virtual method
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virtual void close();
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/**
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* Enables/Disables zip compression
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* @param enable The state of this flag
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*/
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void setCompression(bool enable);
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/**
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* Enables/Disables JSON format
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* @param enable The state of this flag
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*/
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void setJSON(bool enable);
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// ----------------------------------------------------------------------
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// Read methods
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// ----------------------------------------------------------------------
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public:
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//! Reads an int8
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virtual void read(std::int8_t& value);
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//! Reads an int16
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virtual void read(std::int16_t& value);
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//! Reads an int32
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virtual void read(std::int32_t& value);
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//! Reads an int64
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virtual void read(std::int64_t& value);
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//! Reads a float
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virtual void read(float& value);
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//! Reads a double
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virtual void read(double& value);
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virtual void read(char& value);
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//! Reads a vector of native types
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virtual void read(std::vector<char>& value);
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virtual void read(std::vector<int8_t>& value);
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virtual void read(std::vector<int16_t>& value);
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virtual void read(std::vector<int32_t>& value);
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virtual void read(std::vector<int64_t>& value);
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virtual void read(std::vector<float>& value);
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virtual void read(std::vector<double>& value);
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virtual void read(std::vector<std::string>& value);
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virtual void read(std::vector<Core::Time>& value);
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//! Reads a complex float
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virtual void read(std::complex<float>& value);
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//! Reads a complex double
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virtual void read(std::complex<double>& value);
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//! Reads a boolean
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virtual void read(bool& value);
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//! Reads a vector of complex doubles
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virtual void read(std::vector<std::complex<double> >& value);
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//! Reads a string
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virtual void read(std::string& value);
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//! Reads a time
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virtual void read(Seiscomp::Core::Time& value);
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// ----------------------------------------------------------------------
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// Write methods
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// ----------------------------------------------------------------------
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public:
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//! Writes an int8
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virtual void write(std::int8_t value);
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//! Writes an int16
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virtual void write(std::int16_t value);
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//! Writes an int32
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virtual void write(std::int32_t value);
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//! Writes an int64
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virtual void write(std::int64_t value);
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//! Writes a float
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virtual void write(float value);
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//! Writes a double
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virtual void write(double value);
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virtual void write(char& value);
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//! Writes a vector of native types
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virtual void write(std::vector<char>& value);
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virtual void write(std::vector<int8_t>& value);
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virtual void write(std::vector<int16_t>& value);
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virtual void write(std::vector<int32_t>& value);
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virtual void write(std::vector<int64_t>& value);
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virtual void write(std::vector<float>& value);
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virtual void write(std::vector<double>& value);
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virtual void write(std::vector<std::string>& value);
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virtual void write(std::vector<Core::Time>& value);
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//! Writes a complex float
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virtual void write(std::complex<float>& value);
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//! Writes a complex double
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virtual void write(std::complex<double>& value);
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//! Writes a boolean
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virtual void write(bool value);
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//! Writes a vector of complex doubles
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virtual void write(std::vector<std::complex<double> >& value);
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//! Writes a string
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virtual void write(std::string& value);
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//! Writes a time
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virtual void write(Seiscomp::Core::Time& value);
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// ----------------------------------------------------------------------
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// Protected interface
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// ----------------------------------------------------------------------
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protected:
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void setValidity(bool v);
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//! Implements derived virtual method
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bool locateObjectByName(const char* name, const char* targetClass, bool nullable);
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bool locateNextObjectByName(const char* name, const char* targetClass);
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//! Implements derived virtual method
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void readSequence();
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void writeSequence(int size);
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//! Implements derived virtual method
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std::string determineClassName();
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//! Implements derived virtual method
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virtual void setClassName(const char* className);
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//! Implements derived virtual method
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void serialize(RootType* object);
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//! Implements derived virtual method
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void serialize(SerializeDispatcher&);
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// ----------------------------------------------------------------------
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// Implementation
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// ----------------------------------------------------------------------
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private:
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bool open();
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bool create(bool writeVersion);
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template<typename T>
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void readInt(T& value);
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template<typename T>
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void readVector(std::vector<T>& value);
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template<typename T>
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void readComplex(std::complex<T>& value);
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template<typename T>
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void writeVector(std::vector<T>& value);
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template<typename T>
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void writeComplex(std::complex<T>& value);
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// ----------------------------------------------------------------------
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// Private members
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// ----------------------------------------------------------------------
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private:
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DEFINE_SMARTPOINTER(BSONImpl);
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BSONImplPtr _impl;
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std::string _className;
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std::string _attribName;
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int _siblingCount;
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bool _startSequence;
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bool _validObject;
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std::streambuf *_buf;
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bool _deleteOnClose;
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bool _compression;
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bool _json;
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int _forceWriteVersion;
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};
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// <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
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}
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}
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#endif
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