Bug 470455 - test_database_sync_embed_visits.js leaks, r=sdwilsh
[wine-gecko.git] / intl / lwbrk / src / nsUniscribeBreaker.cpp
bloba094bdb0c267765e792467a7202737d044af3ffb
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
2 /* ***** BEGIN LICENSE BLOCK *****
3 * Version: MPL 1.1/GPL 2.0/LGPL 2.1
5 * The contents of this file are subject to the Mozilla Public License Version
6 * 1.1 (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 * http://www.mozilla.org/MPL/
10 * Software distributed under the License is distributed on an "AS IS" basis,
11 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
12 * for the specific language governing rights and limitations under the
13 * License.
15 * The Original Code is mozilla.org code.
17 * The Initial Developer of the Original Code is
18 * Pattara Kiatisevi <ott@linux.thai.net>.
19 * Portions created by the Initial Developer are Copyright (C) 2007
20 * the Initial Developer. All Rights Reserved.
22 * Contributor(s):
23 * - Nattachai Ungsriwong <nattachai@gmail.com>
24 * - Theppitak Karoonboonyanan <thep@linux.thai.net>
25 * - Vee Satayamas <vsatayamas@gmail.com>
26 * - Pattara Kiatisevi <ott@linux.thai.net>
28 * Alternatively, the contents of this file may be used under the terms of
29 * either of the GNU General Public License Version 2 or later (the "GPL"),
30 * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
31 * in which case the provisions of the GPL or the LGPL are applicable instead
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40 * ***** END LICENSE BLOCK ***** */
42 #include "nsComplexBreaker.h"
44 #include <windows.h>
46 #ifndef WINCE
47 #include <usp10.h>
48 #endif
50 #include "nsUTF8Utils.h"
51 #include "nsString.h"
52 #include "nsTArray.h"
54 void
55 NS_GetComplexLineBreaks(const PRUnichar* aText, PRUint32 aLength,
56 PRPackedBool* aBreakBefore)
58 NS_ASSERTION(aText, "aText shouldn't be null");
60 #ifdef WINCE
61 memset(aBreakBefore, PR_FALSE, aLength);
62 #else
63 int outItems = 0;
64 HRESULT result;
65 nsAutoTArray<SCRIPT_ITEM, 64> items;
67 memset(aBreakBefore, PR_FALSE, aLength);
69 if (!items.AppendElements(64))
70 return;
72 do {
73 result = ScriptItemize(aText, aLength, items.Length(), NULL, NULL, items.Elements(), &outItems);
75 if (result == E_OUTOFMEMORY) {
76 if (!items.AppendElements(items.Length()))
77 return;
79 } while (result == E_OUTOFMEMORY);
81 for (int iItem = 0; iItem < outItems; ++iItem) {
82 PRUint32 endOffset = (iItem + 1 == outItems ? aLength : items[iItem + 1].iCharPos);
83 PRUint32 startOffset = items[iItem].iCharPos;
84 nsAutoTArray<SCRIPT_LOGATTR, 64> sla;
86 if (!sla.AppendElements(endOffset - startOffset))
87 return;
89 if (ScriptBreak(aText + startOffset, endOffset - startOffset,
90 &items[iItem].a, sla.Elements()) < 0)
91 return;
93 for (PRUint32 j=0; j+startOffset < endOffset; ++j) {
94 aBreakBefore[j+startOffset] = sla[j].fSoftBreak;
97 #endif