52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
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/*
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Burrows–Wheeler Transform.
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The code in this file is based on TheUnarchiver.
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See README.md and docs/licenses/TheUnarchiver.txt for more information.
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Copyright (C) 2019, Guillaume Gonnet
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This program is free software: you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <inttypes.h>
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namespace maconv {
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namespace stuffit {
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// The MTF (Move-to-Front Transform) decoder.
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struct MtfDecoder {
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// Reset the decoder.
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void ResetDecoder();
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// Decode the next symbol.
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int Decode(int symbol);
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int table[256];
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};
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// Calculate inverse of BWT.
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void CalculateInverseBWT(uint32_t *transform, uint8_t *block, int block_len);
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} // namespace stuffit
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} // namespace maconv
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