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33 lines
1019 B
C++
33 lines
1019 B
C++
/* Copyright 2013 Google Inc. All Rights Reserved.
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Distributed under MIT license.
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See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
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*/
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// Class to model the static dictionary.
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#ifndef BROTLI_ENC_STATIC_DICT_H_
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#define BROTLI_ENC_STATIC_DICT_H_
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#include "./types.h"
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namespace brotli {
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static const size_t kMaxDictionaryMatchLen = 37;
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static const uint32_t kInvalidMatch = 0xfffffff;
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// Matches data against static dictionary words, and for each length l,
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// for which a match is found, updates matches[l] to be the minimum possible
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// (distance << 5) + len_code.
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// Prerequisites:
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// matches array is at least kMaxDictionaryMatchLen + 1 long
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// all elements are initialized to kInvalidMatch
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bool FindAllStaticDictionaryMatches(const uint8_t* data,
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size_t min_length,
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size_t max_length,
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uint32_t* matches);
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} // namespace brotli
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#endif // BROTLI_ENC_STATIC_DICT_H_
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