CharacterProperties.h [plain text]
#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)
{
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;
}
}