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38 lines
1.4 KiB
C++
38 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef nsComplexBreaker_h__
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#define nsComplexBreaker_h__
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#include "nsString.h"
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/**
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* Find line break opportunities in aText[] of aLength characters,
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* filling boolean values indicating line break opportunities for
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* corresponding charactersin aBreakBefore[] on return.
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*/
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void NS_GetComplexLineBreaks(const char16_t* aText, uint32_t aLength,
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uint8_t* aBreakBefore);
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class ComplexBreaker {
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public:
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static void Initialize();
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static void Shutdown();
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/**
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* A wrapper around the platform specific NS_GetComplexLineBreaks, which adds
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* caching of the results to mitigate sometimes expensive implementation.
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* @param aText - pointer to the text to process for possible line breaks
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* @param aLength - the length to process
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* @param aBreakBefore - result array correlated to aText, where element is
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* set to true if line can be broken before
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* corresponding character in aText and false otherwise
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*/
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static void GetBreaks(const char16_t* aText, uint32_t aLength,
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uint8_t* aBreakBefore);
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};
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#endif /* nsComplexBreaker_h__ */
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