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/* Copyright 2013 Google Inc. All Rights Reserved.
Distributed under MIT license.
See file LICENSE for detail or copy at https://opensource.org/licenses/MIT
*/
// Heuristics for deciding about the UTF8-ness of strings.
#ifndef BROTLI_ENC_UTF8_UTIL_H_
#define BROTLI_ENC_UTF8_UTIL_H_
#include "./types.h"
namespace brotli {
static const double kMinUTF8Ratio = 0.75;
// Returns true if at least min_fraction of the bytes between pos and
// pos + length in the (data, mask) ringbuffer is UTF8-encoded.
bool IsMostlyUTF8(const uint8_t* data, const size_t pos, const size_t mask,
const size_t length, const double min_fraction);
} // namespace brotli
#endif // BROTLI_ENC_UTF8_UTIL_H_
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