/* * 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) { switch (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: 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_getIntPropertyValue(character, UCHAR_GENERAL_CATEGORY) == U_CONTROL_CHAR; } }