102 lines
3.4 KiB
C++
102 lines
3.4 KiB
C++
/*
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* Copyright (C) 2015 Apple, Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include <unicode/uchar.h>
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namespace WebCore {
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static inline bool isEmojiGroupCandidate(UChar32 character)
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{
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#define SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A 298
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#if U_ICU_VERSION_MAJOR_NUM < 64
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#define UBLOCK_SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A
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#else
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static_assert(UBLOCK_SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A == SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A);
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#endif
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switch (static_cast<int>(ublock_getCode(character))) {
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case UBLOCK_MISCELLANEOUS_SYMBOLS:
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case UBLOCK_DINGBATS:
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case UBLOCK_MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS:
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case UBLOCK_EMOTICONS:
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case UBLOCK_TRANSPORT_AND_MAP_SYMBOLS:
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case UBLOCK_SUPPLEMENTAL_SYMBOLS_AND_PICTOGRAPHS:
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case UBLOCK_SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A:
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return true;
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default:
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return false;
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}
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}
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static inline bool isEmojiFitzpatrickModifier(UChar32 character)
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{
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// U+1F3FB - EMOJI MODIFIER FITZPATRICK TYPE-1-2
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// U+1F3FC - EMOJI MODIFIER FITZPATRICK TYPE-3
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// U+1F3FD - EMOJI MODIFIER FITZPATRICK TYPE-4
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// U+1F3FE - EMOJI MODIFIER FITZPATRICK TYPE-5
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// U+1F3FF - EMOJI MODIFIER FITZPATRICK TYPE-6
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return character >= 0x1F3FB && character <= 0x1F3FF;
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}
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inline bool isVariationSelector(UChar32 character)
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{
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return character >= 0xFE00 && character <= 0xFE0F;
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}
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inline bool isEmojiKeycapBase(UChar32 character)
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{
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return (character >= '0' && character <= '9') || character == '#' || character == '*';
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}
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inline bool isEmojiRegionalIndicator(UChar32 character)
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{
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return character >= 0x1F1E6 && character <= 0x1F1FF;
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}
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inline bool isEmojiWithPresentationByDefault(UChar32 character)
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{
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return u_hasBinaryProperty(character, UCHAR_EMOJI_PRESENTATION);
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}
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inline bool isEmojiModifierBase(UChar32 character)
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{
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return u_hasBinaryProperty(character, UCHAR_EMOJI_MODIFIER_BASE);
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}
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inline bool isDefaultIgnorableCodePoint(UChar32 character)
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{
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return u_hasBinaryProperty(character, UCHAR_DEFAULT_IGNORABLE_CODE_POINT);
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}
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inline bool isControlCharacter(UChar32 character)
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{
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return u_getIntPropertyValue(character, UCHAR_GENERAL_CATEGORY) == U_CONTROL_CHAR;
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}
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}
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