smart_replace_cf.cc | Explore in Territory

/*
 * 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 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 "third_party/blink/renderer/core/editing/commands/smart_replace.h"

#include <CoreFoundation/CFCharacterSet.h>
#include <CoreFoundation/CFString.h>

namespace blink {

static CFMutableCharacterSetRef GetSmartSet(bool is_previous_character) {
  static CFMutableCharacterSetRef pre_smart_set = nullptr;
  static CFMutableCharacterSetRef post_smart_set = nullptr;
  CFMutableCharacterSetRef smart_set =
      is_previous_character ? pre_smart_set : post_smart_set;
  if (!smart_set) {
    smart_set = CFCharacterSetCreateMutable(kCFAllocatorDefault);
    CFCharacterSetAddCharactersInString(
        smart_set, is_previous_character ? CFSTR("([\"\'#$/-`{")
                                         : CFSTR(")].,;:?\'!\"%*-/}"));
    CFCharacterSetUnion(smart_set, CFCharacterSetGetPredefined(
                                       kCFCharacterSetWhitespaceAndNewline));
    // Adding CJK ranges
    CFCharacterSetAddCharactersInRange(
        smart_set, CFRangeMake(0x1100, 256));  // Hangul Jamo (0x1100 - 0x11FF)
    CFCharacterSetAddCharactersInRange(
        smart_set,
        CFRangeMake(0x2E80, 352));  // CJK & Kangxi Radicals (0x2E80 - 0x2FDF)
    // Ideograph Descriptions, CJK Symbols, Hiragana, Katakana, Bopomofo, Hangul
    // Compatibility Jamo, Kanbun, & Bopomofo Ext (0x2FF0 - 0x31BF)
    CFCharacterSetAddCharactersInRange(smart_set, CFRangeMake(0x2FF0, 464));
    // Enclosed CJK, CJK Ideographs (Uni Han & Ext A), & Yi (0x3200 - 0xA4CF)
    CFCharacterSetAddCharactersInRange(smart_set, CFRangeMake(0x3200, 29392));
    CFCharacterSetAddCharactersInRange(
        smart_set,
        CFRangeMake(0xAC00, 11183));  // Hangul Syllables (0xAC00 - 0xD7AF)
    CFCharacterSetAddCharactersInRange(
        smart_set,
        CFRangeMake(0xF900,
                    352));  // CJK Compatibility Ideographs (0xF900 - 0xFA5F)
    CFCharacterSetAddCharactersInRange(
        smart_set,
        CFRangeMake(0xFE30, 32));  // CJK Compatibility From (0xFE30 - 0xFE4F)
    CFCharacterSetAddCharactersInRange(
        smart_set,
        CFRangeMake(0xFF00, 240));  // Half/Full Width Form (0xFF00 - 0xFFEF)
    CFCharacterSetAddCharactersInRange(
        smart_set, CFRangeMake(0x20000, 0xA6D7));  // CJK Ideograph Exntension B
    CFCharacterSetAddCharactersInRange(
        smart_set,
        CFRangeMake(
            0x2F800,
            0x021E));  // CJK Compatibility Ideographs (0x2F800 - 0x2FA1D)

    if (is_previous_character) {
      pre_smart_set = smart_set;
    } else {
      CFCharacterSetUnion(
          smart_set, CFCharacterSetGetPredefined(kCFCharacterSetPunctuation));
      post_smart_set = smart_set;
    }
  }
  return smart_set;
}

bool IsCharacterSmartReplaceExempt(UChar32 c, bool is_previous_character) {
  return CFCharacterSetIsLongCharacterMember(GetSmartSet(is_previous_character),
                                             c);
}

}  // namespace blink
chromium/third_party/blink/renderer/core/editing/commands/smart_replace_cf.cc
