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/*
* Copyright (C) 2015 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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.
*/
#pragma once
#include <unicode/uchar.h>
namespace WebCore {
static inline bool isEmojiGroupCandidate(UChar32 character)
{
#define SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A 298
#if U_ICU_VERSION_MAJOR_NUM < 64
#define UBLOCK_SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A
#else
static_assert(UBLOCK_SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A == SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A);
#endif
switch (static_cast<int>(ublock_getCode(character))) {
case UBLOCK_MISCELLANEOUS_SYMBOLS:
case UBLOCK_DINGBATS:
case UBLOCK_MISCELLANEOUS_SYMBOLS_AND_PICTOGRAPHS:
case UBLOCK_EMOTICONS:
case UBLOCK_TRANSPORT_AND_MAP_SYMBOLS:
case UBLOCK_SUPPLEMENTAL_SYMBOLS_AND_PICTOGRAPHS:
case UBLOCK_SYMBOLS_AND_PICTOGRAPHS_EXTENDED_A:
return true;
default:
return false;
}
}
static inline bool isEmojiFitzpatrickModifier(UChar32 character)
{
// U+1F3FB - EMOJI MODIFIER FITZPATRICK TYPE-1-2
// U+1F3FC - EMOJI MODIFIER FITZPATRICK TYPE-3
// U+1F3FD - EMOJI MODIFIER FITZPATRICK TYPE-4
// U+1F3FE - EMOJI MODIFIER FITZPATRICK TYPE-5
// U+1F3FF - EMOJI MODIFIER FITZPATRICK TYPE-6
return character >= 0x1F3FB && character <= 0x1F3FF;
}
inline bool isVariationSelector(UChar32 character)
{
return character >= 0xFE00 && character <= 0xFE0F;
}
inline bool isEmojiKeycapBase(UChar32 character)
{
return (character >= '0' && character <= '9') || character == '#' || character == '*';
}
inline bool isEmojiRegionalIndicator(UChar32 character)
{
return character >= 0x1F1E6 && character <= 0x1F1FF;
}
inline bool isEmojiWithPresentationByDefault(UChar32 character)
{
return u_hasBinaryProperty(character, UCHAR_EMOJI_PRESENTATION);
}
inline bool isEmojiModifierBase(UChar32 character)
{
return u_hasBinaryProperty(character, UCHAR_EMOJI_MODIFIER_BASE);
}
inline bool isDefaultIgnorableCodePoint(UChar32 character)
{
return u_hasBinaryProperty(character, UCHAR_DEFAULT_IGNORABLE_CODE_POINT);
}
inline bool isControlCharacter(UChar32 character)
{
return u_charType(character) == U_CONTROL_CHAR;
}
}
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