| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
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| 3 | #ifndef UNICODE_H |
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| 4 | #define UNICODE_H |
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| 5 | |
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| 6 | #include <QtCore/private/qunicodetables_p.h> |
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| 7 | #include <QtCore/qchar.h> |
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| 8 | |
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| 9 | typedef unsigned char LChar; |
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| 10 | typedef unsigned short UChar; |
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| 11 | typedef int32_t UChar32; |
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| 12 | |
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| 13 | namespace Unicode { |
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| 14 | // u_tolower applies only Simple_Lowercase_Mapping. This is in contrast to QChar::toLower. |
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| 15 | inline UChar32 u_tolower(UChar32 ch) { |
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| 16 | if (ch > QChar::LastValidCodePoint) |
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| 17 | return ch; |
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| 18 | const auto fold = QUnicodeTables::properties(ucs4: char32_t(ch))->cases[QUnicodeTables::LowerCase]; |
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| 19 | return fold.special ? ch : (ch + fold.diff); |
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| 20 | } |
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| 21 | |
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| 22 | // u_toupper applies only Simple_Uppercase_Mapping. This is in contrast to QChar::toUpper. |
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| 23 | inline UChar32 u_toupper(UChar32 ch) { |
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| 24 | if (ch > QChar::LastValidCodePoint) |
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| 25 | return ch; |
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| 26 | const auto fold = QUnicodeTables::properties(ucs4: char32_t(ch))->cases[QUnicodeTables::UpperCase]; |
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| 27 | return fold.special ? ch : (ch + fold.diff); |
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| 28 | } |
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| 29 | } |
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| 30 | |
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| 31 | using Unicode::u_toupper; |
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| 32 | using Unicode::u_tolower; |
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| 33 | |
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| 34 | #define U16_IS_LEAD(ch) QChar::isHighSurrogate((ch)) |
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| 35 | #define U16_IS_TRAIL(ch) QChar::isLowSurrogate((ch)) |
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| 36 | #define U16_GET_SUPPLEMENTARY(lead, trail) static_cast<UChar32>(QChar::surrogateToUcs4((lead), (trail))) |
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| 37 | #define U_IS_BMP(ch) ((ch) < 0x10000) |
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| 38 | #define U16_LENGTH(c) ((uint32_t)(c)<=0xffff ? 1 : 2) |
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| 39 | #define UCHAR_MAX_VALUE 0x10ffff |
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| 40 | |
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| 41 | #define U_MASK(category) (1u << (category)) |
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| 42 | #define U_GET_GC_MASK(c) U_MASK(QChar::category((c))) |
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| 43 | #define U_GC_L_MASK (U_GC_LU_MASK|U_GC_LL_MASK|U_GC_LT_MASK|U_GC_LM_MASK|U_GC_LO_MASK) |
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| 44 | #define U_GC_LU_MASK U_MASK(QChar::Letter_Uppercase) |
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| 45 | #define U_GC_LL_MASK U_MASK(QChar::Letter_Lowercase) |
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| 46 | #define U_GC_LT_MASK U_MASK(QChar::Letter_Titlecase) |
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| 47 | #define U_GC_LM_MASK U_MASK(QChar::Letter_Modifier) |
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| 48 | #define U_GC_LO_MASK U_MASK(QChar::Letter_Other) |
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| 49 | #define U_GC_MN_MASK U_MASK(QChar::Mark_NonSpacing) |
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| 50 | #define U_GC_MC_MASK U_MASK(QChar::Mark_SpacingCombining) |
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| 51 | #define U_GC_ND_MASK U_MASK(QChar::Number_DecimalDigit) |
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| 52 | #define U_GC_PC_MASK U_MASK(QChar::Punctuation_Connector) |
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| 53 | |
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| 54 | #endif // UNICODE_H |
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| 55 | |
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