WebCore/editing/SmartReplaceCF.cpp

   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
  34 namespace WebCore {
  35
  36 static CFMutableCharacterSetRef getSmartSet(bool isPreviousCharacter)
  37 {
  38     static CFMutableCharacterSetRef preSmartSet = NULL;
  39     static CFMutableCharacterSetRef postSmartSet = NULL;
  40     CFMutableCharacterSetRef smartSet = isPreviousCharacter ? preSmartSet : postSmartSet;
  41     if (!smartSet) {
  42         smartSet = CFCharacterSetCreateMutable(kCFAllocatorDefault);
  43         CFCharacterSetAddCharactersInString(smartSet, isPreviousCharacter ? CFSTR("([\"\'#$/-`{") : CFSTR(")].,;:?\'!\"%*-/}"));
  44         CFCharacterSetUnion(smartSet, CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline));
  45         // Adding CJK ranges
  46         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x1100, 256)); // Hangul Jamo (0x1100 - 0x11FF)
  47         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x2E80, 352)); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
  48         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x2FF0, 464)); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
  49         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x3200, 29392)); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
  50         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xAC00, 11183)); // Hangul Syllables (0xAC00 - 0xD7AF)
  51         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xF900, 352)); // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
  52         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xFE30, 32)); // CJK Compatibility From (0xFE30 - 0xFE4F)
  53         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0xFF00, 240)); // Half/Full Width Form (0xFF00 - 0xFFEF)
  54         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x20000, 0xA6D7)); // CJK Ideograph Exntension B
  55         CFCharacterSetAddCharactersInRange(smartSet, CFRangeMake(0x2F800, 0x021E)); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)
  56
  57         if (isPreviousCharacter)
  58             preSmartSet = smartSet;
  59         else {
  60             CFCharacterSetUnion(smartSet, CFCharacterSetGetPredefined(kCFCharacterSetPunctuation));
  61             postSmartSet = smartSet;
  62         }
  63     }
  64     return smartSet;
  65 }
  66
  67 bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
  68 {
  69     return CFCharacterSetIsLongCharacterMember(getSmartSet(isPreviousCharacter), c);
  70 }
  71
  72 }