The Tor Browser / file comparison
comparison: intl/lwbrk/src/nsUniscribeBreaker.cpp
intl/lwbrk/src/nsUniscribeBreaker.cpp
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
equal
deleted
inserted
replaced
| -1:000000000000 | 0:8816668bcb2f |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsComplexBreaker.h" | |
| 7 | |
| 8 #include <windows.h> | |
| 9 | |
| 10 #include <usp10.h> | |
| 11 | |
| 12 #include "nsUTF8Utils.h" | |
| 13 #include "nsString.h" | |
| 14 #include "nsTArray.h" | |
| 15 | |
| 16 void | |
| 17 NS_GetComplexLineBreaks(const char16_t* aText, uint32_t aLength, | |
| 18 uint8_t* aBreakBefore) | |
| 19 { | |
| 20 NS_ASSERTION(aText, "aText shouldn't be null"); | |
| 21 | |
| 22 int outItems = 0; | |
| 23 HRESULT result; | |
| 24 nsAutoTArray<SCRIPT_ITEM, 64> items; | |
| 25 char16ptr_t text = aText; | |
| 26 | |
| 27 memset(aBreakBefore, false, aLength); | |
| 28 | |
| 29 if (!items.AppendElements(64)) | |
| 30 return; | |
| 31 | |
| 32 do { | |
| 33 result = ScriptItemize(text, aLength, items.Length(), nullptr, nullptr, | |
| 34 items.Elements(), &outItems); | |
| 35 | |
| 36 if (result == E_OUTOFMEMORY) { | |
| 37 if (!items.AppendElements(items.Length())) | |
| 38 return; | |
| 39 } | |
| 40 } while (result == E_OUTOFMEMORY); | |
| 41 | |
| 42 for (int iItem = 0; iItem < outItems; ++iItem) { | |
| 43 uint32_t endOffset = (iItem + 1 == outItems ? aLength : items[iItem + 1].iCharPos); | |
| 44 uint32_t startOffset = items[iItem].iCharPos; | |
| 45 nsAutoTArray<SCRIPT_LOGATTR, 64> sla; | |
| 46 | |
| 47 if (!sla.AppendElements(endOffset - startOffset)) | |
| 48 return; | |
| 49 | |
| 50 if (ScriptBreak(text + startOffset, endOffset - startOffset, | |
| 51 &items[iItem].a, sla.Elements()) < 0) | |
| 52 return; | |
| 53 | |
| 54 for (uint32_t j=0; j+startOffset < endOffset; ++j) { | |
| 55 aBreakBefore[j+startOffset] = sla[j].fSoftBreak; | |
| 56 } | |
| 57 } | |
| 58 } |
