mirror of
https://github.com/google/brotli.git
synced 2024-11-23 04:00:05 +00:00
34 lines
1.1 KiB
C++
34 lines
1.1 KiB
C++
#ifndef BROTLI_ENC_UTF8_UTIL_H_
|
|
#define BROTLI_ENC_UTF8_UTIL_H_
|
|
|
|
// Copyright 2013 Google Inc. All Rights Reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
//
|
|
// Heuristics for deciding about the UTF8-ness of strings.
|
|
|
|
#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_
|