| | 1 | /* $Header$ */ |
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| | 2 | |
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| | 3 | /* |
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| | 4 | * Copyright (c) 1999, 2002 Michael J. Roberts. All Rights Reserved. |
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| | 5 | * |
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| | 6 | * Please see the accompanying license file, LICENSE.TXT, for information |
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| | 7 | * on using and copying this software. |
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| | 8 | */ |
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| | 9 | /* |
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| | 10 | Name |
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| | 11 | vmuni.h - T3 VM Unicode-specific functions |
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| | 12 | Function |
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| | 13 | |
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| | 14 | Notes |
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| | 15 | |
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| | 16 | Modified |
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| | 17 | 08/27/99 MJRoberts - Creation |
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| | 18 | */ |
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| | 19 | |
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| | 20 | #ifndef VMUNI_H |
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| | 21 | #define VMUNI_H |
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| | 22 | |
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| | 23 | #include "stdlib.h" |
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| | 24 | |
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| | 25 | /* ------------------------------------------------------------------------ */ |
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| | 26 | /* |
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| | 27 | * Upper/lower case classification and conversion functions for Unicode |
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| | 28 | * character values. These routines are implemented in a |
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| | 29 | * machine-generated source file (the source file is mechanically |
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| | 30 | * derived from the Unicode character database). |
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| | 31 | */ |
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| | 32 | int t3_is_lower(wchar_t ch); |
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| | 33 | int t3_is_upper(wchar_t ch); |
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| | 34 | wchar_t t3_to_lower(wchar_t ch); |
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| | 35 | wchar_t t3_to_upper(wchar_t ch); |
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| | 36 | |
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| | 37 | /* |
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| | 38 | * Character types. Types are mutually exclusive, so a character has |
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| | 39 | * exactly one type. |
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| | 40 | */ |
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| | 41 | #define T3_CTYPE_NONE 0 /* character doesn't fit any other category */ |
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| | 42 | #define T3_CTYPE_ALPHA 1 /* alphabetic, with no case information */ |
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| | 43 | #define T3_CTYPE_UPPER 2 /* upper-case alphabetic */ |
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| | 44 | #define T3_CTYPE_LOWER 3 /* lower-case alphabetic */ |
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| | 45 | #define T3_CTYPE_DIGIT 4 /* digit */ |
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| | 46 | #define T3_CTYPE_SPACE 5 /* horizontal whitespace */ |
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| | 47 | #define T3_CTYPE_PUNCT 6 /* punctuation */ |
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| | 48 | |
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| | 49 | /* get the character type */ |
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| | 50 | unsigned char t3_get_chartype(wchar_t ch); |
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| | 51 | |
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| | 52 | /* |
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| | 53 | * character classification functions |
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| | 54 | */ |
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| | 55 | |
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| | 56 | /* alphabetic? */ |
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| | 57 | inline int t3_is_alpha(wchar_t ch) |
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| | 58 | { |
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| | 59 | unsigned char ctype; |
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| | 60 | |
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| | 61 | ctype = t3_get_chartype(ch); |
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| | 62 | return (ctype == T3_CTYPE_UPPER |
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| | 63 | || ctype == T3_CTYPE_LOWER |
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| | 64 | || ctype == T3_CTYPE_ALPHA); |
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| | 65 | |
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| | 66 | } |
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| | 67 | |
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| | 68 | /* uppercase? */ |
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| | 69 | inline int t3_is_upper(wchar_t ch) |
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| | 70 | { |
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| | 71 | return (t3_get_chartype(ch) == T3_CTYPE_UPPER); |
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| | 72 | } |
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| | 73 | |
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| | 74 | /* lowercase? */ |
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| | 75 | inline int t3_is_lower(wchar_t ch) |
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| | 76 | { |
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| | 77 | return (t3_get_chartype(ch) == T3_CTYPE_LOWER); |
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| | 78 | } |
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| | 79 | |
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| | 80 | /* digit? */ |
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| | 81 | inline int t3_is_digit(wchar_t ch) |
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| | 82 | { |
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| | 83 | return (t3_get_chartype(ch) == T3_CTYPE_DIGIT); |
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| | 84 | } |
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| | 85 | |
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| | 86 | /* whitespace? */ |
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| | 87 | inline int t3_is_space(wchar_t ch) |
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| | 88 | { |
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| | 89 | return (t3_get_chartype(ch) == T3_CTYPE_SPACE); |
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| | 90 | } |
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| | 91 | |
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| | 92 | /* punctuation? */ |
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| | 93 | inline int t3_is_punct(wchar_t ch) |
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| | 94 | { |
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| | 95 | return (t3_get_chartype(ch) == T3_CTYPE_PUNCT); |
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| | 96 | } |
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| | 97 | |
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| | 98 | #endif /* VMUNI_H */ |
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| | 99 | |
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