/* | |
* Copyright (C) 2007 Apple Inc. All rights reserved. | |
* Copyright (C) 2008 Tony Chang <idealisms@gmail.com> | |
* | |
* 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 Computer, 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" | |
#if !PLATFORM(CF) && USE(ICU_UNICODE) | |
#include "PlatformString.h" | |
#include <unicode/uset.h> | |
#include <wtf/Assertions.h> | |
namespace WebCore { | |
static void addAllCodePoints(USet* smartSet, const String& string) | |
{ | |
const UChar* characters = string.characters(); | |
for (size_t i = 0; i < string.length(); i++) | |
uset_add(smartSet, characters[i]); | |
} | |
// This is mostly a port of the code in WebCore/editing/SmartReplaceCF.cpp | |
// except we use icu in place of CoreFoundations character classes. | |
static USet* getSmartSet(bool isPreviousCharacter) | |
{ | |
static USet* preSmartSet = NULL; | |
static USet* postSmartSet = NULL; | |
USet* smartSet = isPreviousCharacter ? preSmartSet : postSmartSet; | |
if (!smartSet) { | |
// Whitespace and newline (kCFCharacterSetWhitespaceAndNewline) | |
UErrorCode ec = U_ZERO_ERROR; | |
String whitespaceAndNewline = "[[:WSpace:] [\\u000A\\u000B\\u000C\\u000D\\u0085]]"; | |
smartSet = uset_openPattern(whitespaceAndNewline.characters(), whitespaceAndNewline.length(), &ec); | |
ASSERT(U_SUCCESS(ec)); | |
// CJK ranges | |
uset_addRange(smartSet, 0x1100, 0x1100 + 256); // Hangul Jamo (0x1100 - 0x11FF) | |
uset_addRange(smartSet, 0x2E80, 0x2E80 + 352); // CJK & Kangxi Radicals (0x2E80 - 0x2FDF) | |
uset_addRange(smartSet, 0x2FF0, 0x2FF0 + 464); // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF) | |
uset_addRange(smartSet, 0x3200, 0x3200 + 29392); // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF) | |
uset_addRange(smartSet, 0xAC00, 0xAC00 + 11183); // Hangul Syllables (0xAC00 - 0xD7AF) | |
uset_addRange(smartSet, 0xF900, 0xF900 + 352); // CJK Compatibility Ideographs (0xF900 - 0xFA5F) | |
uset_addRange(smartSet, 0xFE30, 0xFE30 + 32); // CJK Compatibility From (0xFE30 - 0xFE4F) | |
uset_addRange(smartSet, 0xFF00, 0xFF00 + 240); // Half/Full Width Form (0xFF00 - 0xFFEF) | |
uset_addRange(smartSet, 0x20000, 0x20000 + 0xA6D7); // CJK Ideograph Exntension B | |
uset_addRange(smartSet, 0x2F800, 0x2F800 + 0x021E); // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D) | |
if (isPreviousCharacter) { | |
addAllCodePoints(smartSet, "([\"\'#$/-`{"); | |
preSmartSet = smartSet; | |
} else { | |
addAllCodePoints(smartSet, ")].,;:?\'!\"%*-/}"); | |
// Punctuation (kCFCharacterSetPunctuation) | |
UErrorCode ec = U_ZERO_ERROR; | |
String punctuationClass = "[:P:]"; | |
USet* icuPunct = uset_openPattern(punctuationClass.characters(), punctuationClass.length(), &ec); | |
ASSERT(U_SUCCESS(ec)); | |
uset_addAll(smartSet, icuPunct); | |
uset_close(icuPunct); | |
postSmartSet = smartSet; | |
} | |
} | |
return smartSet; | |
} | |
bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter) | |
{ | |
return uset_contains(getSmartSet(isPreviousCharacter), c); | |
} | |
} | |
#endif // !PLATFORM(CF) && USE(ICU_UNICODE) |