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39 | #ifndef UNICODE_H |
40 | #define UNICODE_H |
41 | |
42 | #include <QtCore/private/qunicodetables_p.h> |
43 | #include <QtCore/qchar.h> |
44 | |
45 | typedef unsigned char LChar; |
46 | typedef unsigned short UChar; |
47 | typedef int32_t UChar32; |
48 | |
49 | namespace Unicode { |
50 | // u_tolower applies only Simple_Lowercase_Mapping. This is in contrast to QChar::toLower. |
51 | inline UChar32 u_tolower(UChar32 ch) { |
52 | if (ch > QChar::LastValidCodePoint) |
53 | return ch; |
54 | const auto fold = QUnicodeTables::properties(ucs4: char32_t(ch))->cases[QUnicodeTables::LowerCase]; |
55 | return fold.special ? ch : (ch + fold.diff); |
56 | } |
57 | |
58 | // u_toupper applies only Simple_Uppercase_Mapping. This is in contrast to QChar::toUpper. |
59 | inline UChar32 u_toupper(UChar32 ch) { |
60 | if (ch > QChar::LastValidCodePoint) |
61 | return ch; |
62 | const auto fold = QUnicodeTables::properties(ucs4: char32_t(ch))->cases[QUnicodeTables::UpperCase]; |
63 | return fold.special ? ch : (ch + fold.diff); |
64 | } |
65 | } |
66 | |
67 | using Unicode::u_toupper; |
68 | using Unicode::u_tolower; |
69 | |
70 | #define U16_IS_LEAD(ch) QChar::isHighSurrogate((ch)) |
71 | #define U16_IS_TRAIL(ch) QChar::isLowSurrogate((ch)) |
72 | #define U16_GET_SUPPLEMENTARY(lead, trail) static_cast<UChar32>(QChar::surrogateToUcs4((lead), (trail))) |
73 | #define U_IS_BMP(ch) ((ch) < 0x10000) |
74 | #define U16_LENGTH(c) ((uint32_t)(c)<=0xffff ? 1 : 2) |
75 | #define UCHAR_MAX_VALUE 0x10ffff |
76 | |
77 | #define U_MASK(category) (1u << (category)) |
78 | #define U_GET_GC_MASK(c) U_MASK(QChar::category((c))) |
79 | #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) |
80 | #define U_GC_LU_MASK U_MASK(QChar::Letter_Uppercase) |
81 | #define U_GC_LL_MASK U_MASK(QChar::Letter_Lowercase) |
82 | #define U_GC_LT_MASK U_MASK(QChar::Letter_Titlecase) |
83 | #define U_GC_LM_MASK U_MASK(QChar::Letter_Modifier) |
84 | #define U_GC_LO_MASK U_MASK(QChar::Letter_Other) |
85 | #define U_GC_MN_MASK U_MASK(QChar::Mark_NonSpacing) |
86 | #define U_GC_MC_MASK U_MASK(QChar::Mark_SpacingCombining) |
87 | #define U_GC_ND_MASK U_MASK(QChar::Number_DecimalDigit) |
88 | #define U_GC_PC_MASK U_MASK(QChar::Punctuation_Connector) |
89 | |
90 | #endif // UNICODE_H |
91 | |