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
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.
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
32 * of those above. If you wish to allow use of your version of this file only
33 * under the terms of either the GPL or the LGPL, and not to allow others to
34 * use your version of this file under the terms of the MPL, indicate your
35 * decision by deleting the provisions above and replace them with the notice
36 * and other provisions required by the GPL or the LGPL. If you do not delete
37 * the provisions above, a recipient may use your version of this file under
38 * the terms of any one of the MPL, the GPL or the LGPL.
40 * ***** END LICENSE BLOCK ***** */
42 #include "nsComplexBreaker.h"
50 #include "nsUTF8Utils.h"
55 NS_GetComplexLineBreaks(const PRUnichar
* aText
, PRUint32 aLength
,
56 PRPackedBool
* aBreakBefore
)
58 NS_ASSERTION(aText
, "aText shouldn't be null");
61 memset(aBreakBefore
, PR_FALSE
, aLength
);
65 nsAutoTArray
<SCRIPT_ITEM
, 64> items
;
67 memset(aBreakBefore
, PR_FALSE
, aLength
);
69 if (!items
.AppendElements(64))
73 result
= ScriptItemize(aText
, aLength
, items
.Length(), NULL
, NULL
, items
.Elements(), &outItems
);
75 if (result
== E_OUTOFMEMORY
) {
76 if (!items
.AppendElements(items
.Length()))
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
))
89 if (ScriptBreak(aText
+ startOffset
, endOffset
- startOffset
,
90 &items
[iItem
].a
, sla
.Elements()) < 0)
93 for (PRUint32 j
=0; j
+startOffset
< endOffset
; ++j
) {
94 aBreakBefore
[j
+startOffset
] = sla
[j
].fSoftBreak
;