ms_zip.hpp

/*
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# file: ms_zip.hpp                                                           #
# 'msparser' toolkit                                                         #
# Utilities class for zipping and unzipping a buffer                         #
##############################################################################
# COPYRIGHT NOTICE                                                           #
# Copyright 1998-2023 Matrix Science Limited  All Rights Reserved.           #
#                                                                            #
##############################################################################
#    $Archive:: /Mowse/ms_mascotresfile/include/ms_zip.hpp       $ #
#     $Author: villek@matrixscience.com $ #
#       $Date: 2023-08-25 09:37:06 +0100 $ #
#   $Revision: a93b9fa8957b5f46765e9c3292c87eda6e2ca94c | MSPARSER_REL_3_0_0-2024-09-24-0-g93ebaeb4f4 $ #
# $NoKeywords::                                                            $ #
##############################################################################
*/
 
#ifndef ms_zip_HPP
#define ms_zip_HPP
 
 
#include <string>
 
 
namespace matrix_science {
 
    class MS_MASCOTRESFILE_API ms_zip : public ms_errors
    {
    public:
        ms_zip(const bool isZipped, const unsigned char * buffer, const unsigned long len);
 
        ms_zip(const bool isZipped, const std::string & buffer);
 
        explicit ms_zip(const bool isZipped);
 
        ms_zip(const ms_zip& src);
 
        void copyFrom(const ms_zip* right);
 
#ifndef SWIG
        ms_zip& operator=(const ms_zip& right);
#endif
        ~ms_zip();
 
        std::string compressMore(const std::string& dataIn);
 
        void compressMore(const unsigned char *dataIn, const unsigned long inputLen, unsigned char *dataOut, unsigned long *outputLen);
 
        std::string decompressMore(const std::string &dataIn);
 
        void decompressMore(const unsigned char *dataIn, const unsigned long inputLen, unsigned char *dataOut, unsigned long *outputLen);
 
        unsigned long getZipped(unsigned char * buffer, const unsigned long len) const;
 
        unsigned long getUnZipped(unsigned char * buffer, const unsigned long len) const;
 
        std::string getZipped() const;
 
        std::string getUnZipped() const;
 
        unsigned long getZippedLen() const;
 
        unsigned long getUnZippedLen() const;
 
        enum { MAX_UNCOMPRESSED_SIZE = (1024 * 1024 * 100), MAX_COMPRESSED_SIZE = (1024 * 1024 * 100) };
    private:
        void init_buffer(const bool isZipped, const unsigned char * buffer, const unsigned long len);
        unsigned long zippedLen_;
        unsigned long zippedCap_;
        unsigned long maxZippedCap_;
        unsigned long maxUnZippedCap_;
        unsigned long unZippedLen_;
        unsigned long unZippedCap_;
        unsigned char * pUnZipped_;
        unsigned char * pZipped_;
        void* pInStreamData_;
        void* pOutStreamData_;
        bool doneStreaming_;
        typedef std::basic_string<unsigned char> ustring;
        std::list<ustring> outputQueue_;
    }; // class ms_zip // end of tools_group
} // namespace matrix_science
#endif // ms_zip_HPP
 
/*------------------------------- End of File -------------------------------*/