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 "core/editing/SmartReplace.h"
31
32#include <CoreFoundation/CFCharacterSet.h>
33#include <CoreFoundation/CFString.h>
34
35namespace blink {
36
37static 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
68bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
69{
70    return CFCharacterSetIsLongCharacterMember(getSmartSet(isPreviousCharacter), c);
71}
72
73}
74