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      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 
     35 namespace WebCore {
     36 
     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 
     68 bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
     69 {
     70     return CFCharacterSetIsLongCharacterMember(getSmartSet(isPreviousCharacter), c);
     71 }
     72 
     73 }
     74