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