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Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h b/Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h new file mode 100644 index 00000000000..fa5a398a76d --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-1.0.12/src/CRC32.h @@ -0,0 +1,51 @@ +/************************************************************************* +** CRC32.h ** +** ** +** This file is part of dvisvgm -- the DVI to SVG converter ** +** Copyright (C) 2005-2012 Martin Gieseking <martin.gieseking@uos.de> ** +** ** +** 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; either version 3 of ** +** the License, or (at your option) any later version. ** +** ** +** 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, see <http://www.gnu.org/licenses/>. ** +*************************************************************************/ + +#ifndef CRC32_H +#define CRC32_H + +#include <cstdlib> +#include <istream> +#include "types.h" + +class CRC32 +{ + public: + CRC32 (); + void update (const UInt8 *bytes, size_t len); + void update (UInt32 n, int bytes=4); + void update (const char *str); + void update (std::istream &is); + UInt32 get () const; + void reset (); + static UInt32 compute (const UInt8 *bytes, size_t len); + static UInt32 compute (const char *str); + static UInt32 compute (std::istream &is); + + protected: + CRC32 (const CRC32 &crc32) {} + + private: + UInt32 _crc32; + UInt32 _tab[256]; +}; + + +#endif |