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26 lines
715 B
C++
26 lines
715 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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// Heuristics for deciding about the UTF8-ness of strings.
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#ifndef BROTLI_ENC_UTF8_UTIL_H_
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#define BROTLI_ENC_UTF8_UTIL_H_
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#include "./types.h"
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namespace brotli {
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static const double kMinUTF8Ratio = 0.75;
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// Returns true if at least min_fraction of the bytes between pos and
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// pos + length in the (data, mask) ringbuffer is UTF8-encoded.
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bool IsMostlyUTF8(const uint8_t* data, const size_t pos, const size_t mask,
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const size_t length, const double min_fraction);
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} // namespace brotli
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#endif // BROTLI_ENC_UTF8_UTIL_H_
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