brotli/c/enc/utf8_util.h
Eugene Kliuchnikov da254cffdb
Update (#630)
* merge {dec|enc}/port.h into common/platform.h
 * fix one-shot q=10 1-byte input compression
 * fix some unprefixed definitions
 * make hashers host-endianness-independent
 * extract enc/params.h from enc/quality.h
 * fix API documentation / typos
 * improve `BrotliEncoderMaxCompressedSize`
2017-12-12 14:33:12 +01:00

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C

/* 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"
#include <brotli/types.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_ */