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/*
* Copyright (C) 2007 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SmartReplace.h"
#include <CoreFoundation/CFCharacterSet.h>
#include <CoreFoundation/CFString.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/RetainPtr.h>
namespace WebCore {
static CFMutableCharacterSetRef getSmartSet(bool isPreviousCharacter)
{
static NeverDestroyed<RetainPtr<CFMutableCharacterSetRef>> preSmartSet;
static NeverDestroyed<RetainPtr<CFMutableCharacterSetRef>> postSmartSet;
RetainPtr<CFMutableCharacterSetRef>& smartSet = isPreviousCharacter ? preSmartSet.get() : postSmartSet.get();
if (!smartSet) {
smartSet = adoptCF(CFCharacterSetCreateMutable(kCFAllocatorDefault));
CFCharacterSetAddCharactersInString(smartSet.get(), isPreviousCharacter ? CFSTR("([\"\'#$/-`{") : CFSTR(")].,;:?\'!\"%*-/}"));
CFCharacterSetUnion(smartSet.get(), CFCharacterSetGetPredefined(kCFCharacterSetWhitespaceAndNewline));
// Adding CJK ranges
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0x1100, 256)); // Hangul Jamo (0x1100 - 0x11FF)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0x2E80, 352)); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0x2FF0, 464)); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0x3200, 29392)); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0xAC00, 11183)); // Hangul Syllables (0xAC00 - 0xD7AF)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0xF900, 352)); // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0xFE30, 32)); // CJK Compatibility From (0xFE30 - 0xFE4F)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0xFF00, 240)); // Half/Full Width Form (0xFF00 - 0xFFEF)
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0x20000, 0xA6D7)); // CJK Ideograph Exntension B
CFCharacterSetAddCharactersInRange(smartSet.get(), CFRangeMake(0x2F800, 0x021E)); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)
if (!isPreviousCharacter)
CFCharacterSetUnion(smartSet.get(), CFCharacterSetGetPredefined(kCFCharacterSetPunctuation));
}
return smartSet.get();
}
bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
{
return CFCharacterSetIsLongCharacterMember(getSmartSet(isPreviousCharacter), c);
}
}