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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1186 | savelij | 1 | ifndef ctypeinc ; avoid multiple inclusion |
| 2 | ctypeinc equ 1 |
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| 3 | ;**************************************************************************** |
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| 4 | ;* * |
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| 5 | ;* AS 1.42 - File CTYPE.INC * |
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| 6 | ;* * |
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| 7 | ;* Contains Functions to Classify Characters * |
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| 8 | ;* * |
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| 9 | ;* CAUTION! isalpha() does not regard country-specific special characters! * |
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| 10 | ;* * |
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| 11 | ;**************************************************************************** |
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| 12 | |||
| 13 | save |
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| 14 | listing off ; no listing over this file |
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| 15 | |||
| 16 | if mompass=1 |
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| 17 | message "Standard Character Funkcions (C) 1993 Alfred Arnold" |
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| 18 | endif |
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| 19 | |||
| 20 | ;---------------------------------------------------------------------------- |
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| 21 | ; returns TRUE if the argument is a number: |
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| 22 | |||
| 23 | isdigit function ch,(ch>='0')&&(ch<='9') |
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| 24 | |||
| 25 | ;---------------------------------------------------------------------------- |
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| 26 | ; returns TRUE if the argument is hexadecimal number: |
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| 27 | |||
| 28 | isxdigit function ch,(isdigit(ch))||((toupper(ch)>='A')&&(toupper(ch)<='F')) |
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| 29 | |||
| 30 | ;---------------------------------------------------------------------------- |
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| 31 | ; returns TRUE if the argument is in the range of ASCII characters: |
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| 32 | |||
| 33 | isascii function ch,(ch>=0)&&(ch<128) |
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| 34 | |||
| 35 | ;---------------------------------------------------------------------------- |
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| 36 | ; returns TRUE if the argument is an uppercase letter: |
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| 37 | |||
| 38 | isupper function ch,(ch>='A')&&(ch<='Z') |
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| 39 | |||
| 40 | ;---------------------------------------------------------------------------- |
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| 41 | ; returns TRUE if the argument is a lowercase letter: |
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| 42 | |||
| 43 | islower function ch,(ch>='a')&&(ch<='z') |
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| 44 | |||
| 45 | ;---------------------------------------------------------------------------- |
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| 46 | ; returns TRUE if the argument is a letter: |
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| 47 | |||
| 48 | isalpha function ch,(toupper(ch)>='A')&&(toupper(ch)<='Z') |
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| 49 | |||
| 50 | ;---------------------------------------------------------------------------- |
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| 51 | ; returns TRUE if the argument is a number or letter: |
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| 52 | |||
| 53 | isalnum function ch,isdigit(ch)||isalpha(ch) |
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| 54 | |||
| 55 | ;---------------------------------------------------------------------------- |
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| 56 | ; returns TRUE if the argument is some sor tof space: |
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| 57 | ; Hint: 11 = vertical tabulator |
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| 58 | |||
| 59 | isspace function ch,(ch=' ')||(ch=12)||(ch='\n')||(ch='\r')||(ch='\t')||(ch=11) |
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| 60 | |||
| 61 | ;---------------------------------------------------------------------------- |
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| 62 | ; returns TRUE if the argument is a printable character: |
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| 63 | ; strictly spoken, DEL(127) should be excluded, but it is printable on a PC |
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| 64 | |||
| 65 | isprint function ch,(ch>31)&&(ch<255) |
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| 66 | |||
| 67 | ;---------------------------------------------------------------------------- |
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| 68 | ; returns TRUE if the argument is a control character: |
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| 69 | |||
| 70 | iscntrl function ch,~~isprint(ch) |
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| 71 | |||
| 72 | ;---------------------------------------------------------------------------- |
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| 73 | ; returns TRUE if the argument is ein printable and visible character: |
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| 74 | |||
| 75 | isgraph function ch,isprint(ch)&&(~~isspace(ch)) |
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| 76 | |||
| 77 | ;---------------------------------------------------------------------------- |
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| 78 | ; returns TRUE if the argument is a special character: |
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| 79 | |||
| 80 | ispunct function ch,isprint(ch)&&(~~isspace(ch))&&(~~isalnum(ch)) |
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| 81 | |||
| 82 | restore ; re-enable listing |
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| 83 | |||
| 84 | endif ; ctypeinc |