1 /*
2 * Copyright (C) 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 *
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 * its contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #include "config.h"
30 #include "SmartReplace.h"
31
32 #include <CoreFoundation/CFCharacterSet.h>
33 #include <CoreFoundation/CFString.h>
34
35 namespace WebCore {
36
getSmartSet(bool isPreviousCharacter)37 static CFMutableCharacterSetRef getSmartSet(bool isPreviousCharacter)
38 {
39 static CFMutableCharacterSetRef preSmartSet = NULL;
40 static CFMutableCharacterSetRef postSmartSet = NULL;
41 CFMutableCharacterSetRef smartSet = isPreviousCharacter ? preSmartSet : postSmartSet;
42 if (!smartSet) {
43 smartSet = CFCharacterSetCreateMutable(kCFAllocatorDefault);
44 CFCharacterSetAddCharactersInString(smartSet, isPreviousCharacter ? CFSTR("([\"\'#$/-`{") : CFSTR(")].,;:?\'!\"%*-/}"));
45 CFCharacterSetUnion(smartSet, CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline));
46 // Adding CJK ranges
47 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x1100, 256)); // Hangul Jamo (0x1100 - 0x11FF)
48 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x2E80, 352)); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
49 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x2FF0, 464)); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
50 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x3200, 29392)); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
51 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xAC00, 11183)); // Hangul Syllables (0xAC00 - 0xD7AF)
52 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xF900, 352)); // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
53 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xFE30, 32)); // CJK Compatibility From (0xFE30 - 0xFE4F)
54 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xFF00, 240)); // Half/Full Width Form (0xFF00 - 0xFFEF)
55 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x20000, 0xA6D7)); // CJK Ideograph Exntension B
56 CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x2F800, 0x021E)); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)
57
58 if (isPreviousCharacter)
59 preSmartSet = smartSet;
60 else {
61 CFCharacterSetUnion(smartSet, CFCharacterSetGetPredefined(kCFCharacterSetPunctuation));
62 postSmartSet = smartSet;
63 }
64 }
65 return smartSet;
66 }
67
isCharacterSmartReplaceExempt(UChar32 c,bool isPreviousCharacter)68 bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
69 {
70 return CFCharacterSetIsLongCharacterMember(getSmartSet(isPreviousCharacter), c);
71 }
72
73 }
74