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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /intl/lwbrk/nsCarbonBreaker.cpp | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'intl/lwbrk/nsCarbonBreaker.cpp')
-rw-r--r-- | intl/lwbrk/nsCarbonBreaker.cpp | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/intl/lwbrk/nsCarbonBreaker.cpp b/intl/lwbrk/nsCarbonBreaker.cpp new file mode 100644 index 0000000000..d1d81b2578 --- /dev/null +++ b/intl/lwbrk/nsCarbonBreaker.cpp @@ -0,0 +1,43 @@ +/* -*- 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/. */ + +#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); +} |