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view miscellany/less-177/option.h @ 0:bce86c4163a3
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author | kono |
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date | Mon, 18 Apr 2005 23:46:02 +0900 |
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#define END_OPTION_STRING ('$') /* * Types of options. */ #define BOOL 01 /* Boolean option: 0 or 1 */ #define TRIPLE 02 /* Triple-valued option: 0, 1 or 2 */ #define NUMBER 04 /* Numeric option */ #define STRING 010 /* String-valued option */ #define NOVAR 020 /* No associated variable */ #define REPAINT 040 /* Repaint screen after toggling option */ #define NO_TOGGLE 0100 /* Option cannot be toggled with "-" cmd */ #define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR) /* * Argument to a handling function tells what type of activity: */ #define INIT 0 /* Initialization (from command line) */ #define QUERY 1 /* Query (from _ or - command) */ #define TOGGLE 2 /* Change value (from - command) */ /* Flag to toggle_option to specify how to "toggle" */ #define OPT_NO_TOGGLE 0 #define OPT_TOGGLE 1 #define OPT_UNSET 2 #define OPT_SET 3 struct option { char oletter; /* The controlling letter (a-z) */ char otype; /* Type of the option */ int odefault; /* Default value */ int *ovar; /* Pointer to the associated variable */ void (*ofunc)(); /* Pointer to special handling function */ char *odesc[3]; /* Description of each value */ };