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1 /* | 1 /* |
2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. | 2 * Copyright (C) 2004, 2006 Apple Computer, Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
6 * are met: | 6 * are met: |
7 * 1. Redistributions of source code must retain the above copyright | 7 * 1. Redistributions of source code must retain the above copyright |
8 * notice, this list of conditions and the following disclaimer. | 8 * notice, this list of conditions and the following disclaimer. |
9 * 2. Redistributions in binary form must reproduce the above copyright | 9 * 2. Redistributions in binary form must reproduce the above copyright |
10 * notice, this list of conditions and the following disclaimer in the | 10 * notice, this list of conditions and the following disclaimer in the |
11 * documentation and/or other materials provided with the distribution. | 11 * documentation and/or other materials provided with the distribution. |
12 * | 12 * |
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
24 */ | 24 */ |
25 | 25 |
26 #ifndef TextBoundaries_h | 26 #ifndef TextBoundaries_h |
27 #define TextBoundaries_h | 27 #define TextBoundaries_h |
28 | 28 |
29 #include "platform/PlatformExport.h" | 29 #include "platform/PlatformExport.h" |
30 #include "wtf/text/Unicode.h" | 30 #include "platform/wtf/text/Unicode.h" |
31 | 31 |
32 namespace blink { | 32 namespace blink { |
33 | 33 |
34 inline bool requiresContextForWordBoundary(UChar32 ch) { | 34 inline bool requiresContextForWordBoundary(UChar32 ch) { |
35 return WTF::Unicode::hasLineBreakingPropertyComplexContext(ch); | 35 return WTF::Unicode::hasLineBreakingPropertyComplexContext(ch); |
36 } | 36 } |
37 | 37 |
38 PLATFORM_EXPORT int endOfFirstWordBoundaryContext(const UChar* characters, | 38 PLATFORM_EXPORT int endOfFirstWordBoundaryContext(const UChar* characters, |
39 int length); | 39 int length); |
40 PLATFORM_EXPORT int startOfLastWordBoundaryContext(const UChar* characters, | 40 PLATFORM_EXPORT int startOfLastWordBoundaryContext(const UChar* characters, |
41 int length); | 41 int length); |
42 | 42 |
43 PLATFORM_EXPORT void findWordBoundary(const UChar*, | 43 PLATFORM_EXPORT void findWordBoundary(const UChar*, |
44 int len, | 44 int len, |
45 int position, | 45 int position, |
46 int* start, | 46 int* start, |
47 int* end); | 47 int* end); |
48 PLATFORM_EXPORT int findWordEndBoundary(const UChar*, int len, int position); | 48 PLATFORM_EXPORT int findWordEndBoundary(const UChar*, int len, int position); |
49 PLATFORM_EXPORT int findNextWordFromIndex(const UChar*, | 49 PLATFORM_EXPORT int findNextWordFromIndex(const UChar*, |
50 int len, | 50 int len, |
51 int position, | 51 int position, |
52 bool forward); | 52 bool forward); |
53 | 53 |
54 } // namespace blink | 54 } // namespace blink |
55 | 55 |
56 #endif | 56 #endif |
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