blob: 4120217a6e35d17da8b87fcc16f4a5efd7cbd1c6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsComplexBreaker_h__
#define nsComplexBreaker_h__
#include <stdint.h>
/**
* Find line break opportunities in aText[] of aLength characters,
* filling boolean values indicating line break opportunities for
* corresponding charactersin aBreakBefore[] on return.
*/
void NS_GetComplexLineBreaks(const char16_t* aText, uint32_t aLength,
uint8_t* aBreakBefore);
class ComplexBreaker {
public:
static void Initialize();
static void Shutdown();
/**
* A wrapper around the platform specific NS_GetComplexLineBreaks, which adds
* caching of the results to mitigate sometimes expensive implementation.
* @param aText - pointer to the text to process for possible line breaks
* @param aLength - the length to process
* @param aBreakBefore - result array correlated to aText, where element is
* set to true if line can be broken before
* corresponding character in aText and false otherwise
*/
static void GetBreaks(const char16_t* aText, uint32_t aLength,
uint8_t* aBreakBefore);
};
#endif /* nsComplexBreaker_h__ */
|