SmartReplaceQt.cpp   [plain text]

/*
 * Copyright (C) 2010 Robert Hogan <robert@roberthogan.net>.  All rights reserved.
 * Copyright (C) 2007,2008,2009 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 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"

namespace WebCore {

bool isCharacterSmartReplaceExempt(UChar32 c, bool isPreviousCharacter)
{
    QChar d(c);
    if (d.isSpace())
        return true;
    if (!isPreviousCharacter && d.isPunct())
        return true;

    if ((c >= 0x1100 && c <= (0x1100 + 256))          // Hangul Jamo (0x1100 - 0x11FF)
        || (c >= 0x2E80 && c <= (0x2E80 + 352))       // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
        || (c >= 0x2FF0 && c <= (0x2FF0 + 464))       // Ideograph Deseriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
        || (c >= 0x3200 && c <= (0x3200 + 29392))     // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
        || (c >= 0xAC00 && c <= (0xAC00 + 11183))     // Hangul Syllables (0xAC00 - 0xD7AF)
        || (c >= 0xF900 && c <= (0xF900 + 352))       // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
        || (c >= 0xFE30 && c <= (0xFE30 + 32))        // CJK Compatibility From (0xFE30 - 0xFE4F)
        || (c >= 0xFF00 && c <= (0xFF00 + 240))       // Half/Full Width Form (0xFF00 - 0xFFEF)
        || (c >= 0x20000 && c <= (0x20000 + 0xA6D7))  // CJK Ideograph Exntension B
        || (c >= 0x2F800 && c <= (0x2F800 + 0x021E))) // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)
       return true;

    const char prev[] = "([\"\'#$/-`{\0";
    const char next[] = ")].,;:?\'!\"%*-/}\0";
    const char* str = (isPreviousCharacter) ? prev : next;
    for (int i = 0; i < strlen(str); ++i) {
        if (str[i] == c)
          return true;
    }

    return false;
}

}