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Side by Side Diff: webkit/port/platform/TextBoundariesWin.cpp

Issue 7419: Move many files that were suffixed Win.cpp to Chromium.cpp, and place them in... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: '' Created 12 years, 2 months ago
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1 /*
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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.
24 */
25
26 #include "config.h"
27 #include "TextBoundaries.h"
28
29 #include <unicode/ubrk.h>
30
31 #include "StringImpl.h"
32 #include "TextBreakIterator.h"
33
34 namespace WebCore {
35
36 int findNextWordFromIndex(const UChar* chars, int len, int position, bool forwar d)
37 {
38 UBreakIterator* it = wordBreakIterator(chars, len);
39
40 int newPosition = position;
41
42 if (forward) {
43 position = ubrk_following(it, position);
44 while (position != UBRK_DONE) {
45 // We stop searching when the character preceeding the break
46 // is alphanumeric.
47 if (position < len && u_isalnum(chars[position - 1]))
48 return position;
49
50 position = ubrk_following(it, position);
51 }
52
53 return len;
54 } else {
55 position = ubrk_preceding(it, position);
56 while (position != UBRK_DONE) {
57 // We stop searching when the character following the break
58 // is alphanumeric.
59 if (position > 0 && u_isalnum(chars[position]))
60 return position;
61
62 position = ubrk_preceding(it, position);
63 }
64
65 return 0;
66 }
67 }
68
69 void findWordBoundary(const UChar* chars, int len, int position, int* start, int * end)
70 {
71 UBreakIterator* it = wordBreakIterator(chars, len);
72 *end = ubrk_following(it, position);
73 if (*end < 0)
74 *end = ubrk_last(it);
75 *start = ubrk_previous(it);
76 }
77
78 } // namespace WebCore
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