33 lines
924 B
C
33 lines
924 B
C
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// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef V8_CCTEST_UNICODE_HELPERS_H_
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#define V8_CCTEST_UNICODE_HELPERS_H_
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#include "src/unicode.h"
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static int Ucs2CharLength(unibrow::uchar c) {
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if (c == unibrow::Utf8::kIncomplete || c == unibrow::Utf8::kBufferEmpty) {
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return 0;
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} else if (c < 0xffff) {
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return 1;
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} else {
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return 2;
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}
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}
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static int Utf8LengthHelper(const char* s) {
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unibrow::Utf8::Utf8IncrementalBuffer buffer(unibrow::Utf8::kBufferEmpty);
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int length = 0;
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for (; *s != '\0'; s++) {
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unibrow::uchar tmp = unibrow::Utf8::ValueOfIncremental(*s, &buffer);
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length += Ucs2CharLength(tmp);
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}
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unibrow::uchar tmp = unibrow::Utf8::ValueOfIncrementalFinish(&buffer);
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length += Ucs2CharLength(tmp);
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return length;
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}
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#endif // V8_CCTEST_UNICODE_HELPERS_H_
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