mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-10 11:54:40 +00:00
87 lines
2.7 KiB
C++
87 lines
2.7 KiB
C++
/* -*- 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/. */
|
|
|
|
#if(0)
|
|
#include <CoreFoundation/CoreFoundation.h>
|
|
#include <stdint.h>
|
|
#include "nsDebug.h"
|
|
#include "nscore.h"
|
|
|
|
void
|
|
NS_GetComplexLineBreaks(const char16_t* aText, uint32_t aLength,
|
|
uint8_t* aBreakBefore)
|
|
{
|
|
NS_ASSERTION(aText, "aText shouldn't be null");
|
|
|
|
memset(aBreakBefore, 0, aLength * sizeof(uint8_t));
|
|
|
|
CFStringRef str = ::CFStringCreateWithCharactersNoCopy(kCFAllocatorDefault, reinterpret_cast<const UniChar*>(aText), aLength, kCFAllocatorNull);
|
|
if (!str) {
|
|
return;
|
|
}
|
|
|
|
CFStringTokenizerRef st = ::CFStringTokenizerCreate(kCFAllocatorDefault, str,
|
|
::CFRangeMake(0, aLength),
|
|
kCFStringTokenizerUnitLineBreak,
|
|
nullptr);
|
|
if (!st) {
|
|
::CFRelease(str);
|
|
return;
|
|
}
|
|
|
|
CFStringTokenizerTokenType tt = ::CFStringTokenizerAdvanceToNextToken(st);
|
|
while (tt != kCFStringTokenizerTokenNone) {
|
|
CFRange r = ::CFStringTokenizerGetCurrentTokenRange(st);
|
|
if (r.location != 0) { // Ignore leading edge
|
|
aBreakBefore[r.location] = true;
|
|
}
|
|
tt = CFStringTokenizerAdvanceToNextToken(st);
|
|
}
|
|
|
|
::CFRelease(st);
|
|
::CFRelease(str);
|
|
}
|
|
#else
|
|
|
|
// 10.4 compatible version (CFStringTokenizer only exists in 10.5), backing
|
|
// out bug 923967. This uses the older Unicode Utilities version.
|
|
#include "nsComplexBreaker.h"
|
|
#include <Carbon/Carbon.h>
|
|
|
|
void
|
|
NS_GetComplexLineBreaks(const char16_t* aText, uint32_t aLength,
|
|
uint8_t* aBreakBefore)
|
|
{
|
|
NS_ASSERTION(aText, "aText shouldn't be null");
|
|
TextBreakLocatorRef breakLocator;
|
|
|
|
memset(aBreakBefore, false, aLength * sizeof(uint8_t));
|
|
|
|
OSStatus status = UCCreateTextBreakLocator(NULL, 0, kUCTextBreakLineMask,
|
|
&breakLocator);
|
|
|
|
if (status != noErr)
|
|
return;
|
|
|
|
for (UniCharArrayOffset position = 0; position < aLength;) {
|
|
UniCharArrayOffset offset;
|
|
status = UCFindTextBreak(breakLocator,
|
|
kUCTextBreakLineMask,
|
|
position == 0 ? kUCTextBreakLeadingEdgeMask :
|
|
(kUCTextBreakLeadingEdgeMask |
|
|
kUCTextBreakIterateMask),
|
|
aText,
|
|
aLength,
|
|
position,
|
|
&offset);
|
|
if (status != noErr || offset >= aLength)
|
|
break;
|
|
aBreakBefore[offset] = true;
|
|
position = offset;
|
|
}
|
|
UCDisposeTextBreakLocator(&breakLocator);
|
|
}
|
|
#endif
|