diff -r 000000000000 -r 4f2f89ce4247 WebCore/editing/SmartReplaceICU.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebCore/editing/SmartReplaceICU.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2007 Apple Inc. All rights reserved. + * Copyright (C) 2008 Tony Chang + * + * 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 +#include + +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)