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104 lines
3 KiB
C++
104 lines
3 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* This file is part of xlslib -- A multiplatform, C/C++ library
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* for dynamic generation of Excel(TM) files.
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*
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* xlslib is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* xlslib 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 Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with xlslib. If not, see <http://www.gnu.org/licenses/>.
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*
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* Copyright 2004 Yeico S. A. de C. V.
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* Copyright 2008 David Hoerl
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*
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* $Source: /cvsroot/xlslib/xlslib/src/xlslib/crc.h,v $
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* $Revision: 1.2 $
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* $Author: dhoerl $
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* $Date: 2008/10/25 18:39:54 $
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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*
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* File description:
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*
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*
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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#ifndef _crc_h
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#define _crc_h
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#include <string>
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#include <XLS/config.h>
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#include <XLS/systype.h>
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#include <XLS/tostr.h>
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#define FALSE 0
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#define TRUE !FALSE
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/*
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* Select the CRC standard from the list that follows.
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*/
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#define CRC32
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#define CRC_NAME "CRC-32"
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#define POLYNOMIAL 0x04C11DB7
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#define INITIAL_REMAINDER 0xFFFFFFFF
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#define FINAL_XOR_VALUE 0xFFFFFFFF
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#define REFLECT_DATA TRUE
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#define REFLECT_REMAINDER TRUE
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#define CHECK_VALUE 0xCBF43926
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namespace xlslib_core
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{
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typedef unsigned32_t crc32_t;
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class crc
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{
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public:
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crc();
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~crc();
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crc32_t get(std::string& message);
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crc32_t get();
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void operator<<(std::string newstr) { m_data += newstr; }
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void operator<<(unsigned32_t newdata) { m_data += str_stream(newdata); }
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void operator<<(unsigned64_t newdata) { m_data += str_stream(newdata); }
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void operator<<(unsigned char newdata) { m_data += str_stream(newdata); }
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void operator<<(unsigned short newdata) { m_data += str_stream(newdata); }
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void operator<<(bool newdata) { m_data += str_stream(newdata); }
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void operator<<(double newdata) { m_data += str_stream(newdata); }
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std::string& getdata();
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private:
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std::string m_data;
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static const crc32_t CRC_32_TABLE[256];
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unsigned32_t reflect(unsigned32_t data, unsigned char nBits);
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};
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}
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#endif /* _crc_h */
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* $Log: crc.h,v $
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* Revision 1.2 2008/10/25 18:39:54 dhoerl
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* 2008
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*
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* Revision 1.1.1.1 2004/08/27 16:31:46 darioglz
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* Initial Import.
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*
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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