/* 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 "../common/platform.h" #if defined(__cplusplus) || defined(c_plusplus) extern "C" { #endif static const double kMinUTF8Ratio = 0.75; /* Returns 1 if at least min_fraction of the bytes between pos and pos + length in the (data, mask) ring-buffer is UTF8-encoded, otherwise returns 0. */ BROTLI_INTERNAL BROTLI_BOOL BrotliIsMostlyUTF8( const uint8_t* data, const size_t pos, const size_t mask, const size_t length, const double min_fraction); #if defined(__cplusplus) || defined(c_plusplus) } /* extern "C" */ #endif #endif /* BROTLI_ENC_UTF8_UTIL_H_ */