1 /* 2 * Copyright (C) 1984-2015 Mark Nudelman 3 * 4 * You may distribute under the terms of either the GNU General Public 5 * License or the Less License, as specified in the README file. 6 * 7 * For more information, see the README file. 8 */ 9 10 11 #define END_OPTION_STRING ('$') 12 13 /* 14 * Types of options. 15 */ 16 #define BOOL 01 /* Boolean option: 0 or 1 */ 17 #define TRIPLE 02 /* Triple-valued option: 0, 1 or 2 */ 18 #define NUMBER 04 /* Numeric option */ 19 #define STRING 010 /* String-valued option */ 20 #define NOVAR 020 /* No associated variable */ 21 #define REPAINT 040 /* Repaint screen after toggling option */ 22 #define NO_TOGGLE 0100 /* Option cannot be toggled with "-" cmd */ 23 #define HL_REPAINT 0200 /* Repaint hilites after toggling option */ 24 #define NO_QUERY 0400 /* Option cannot be queried with "_" cmd */ 25 #define INIT_HANDLER 01000 /* Call option handler function at startup */ 26 27 #define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR) 28 29 #define OLETTER_NONE '\1' /* Invalid option letter */ 30 31 /* 32 * Argument to a handling function tells what type of activity: 33 */ 34 #define INIT 0 /* Initialization (from command line) */ 35 #define QUERY 1 /* Query (from _ or - command) */ 36 #define TOGGLE 2 /* Change value (from - command) */ 37 38 /* Flag to toggle_option to specify how to "toggle" */ 39 #define OPT_NO_TOGGLE 0 40 #define OPT_TOGGLE 1 41 #define OPT_UNSET 2 42 #define OPT_SET 3 43 #define OPT_NO_PROMPT 0100 44 45 /* Error code from findopt_name */ 46 #define OPT_AMBIG 1 47 48 struct optname 49 { 50 char *oname; /* Long (GNU-style) option name */ 51 struct optname *onext; /* List of synonymous option names */ 52 }; 53 54 #define OPTNAME_MAX 32 /* Max length of long option name */ 55 56 struct loption 57 { 58 char oletter; /* The controlling letter (a-z) */ 59 struct optname *onames; /* Long (GNU-style) option name */ 60 int otype; /* Type of the option */ 61 int odefault; /* Default value */ 62 int *ovar; /* Pointer to the associated variable */ 63 void (*ofunc)(); /* Pointer to special handling function */ 64 char *odesc[3]; /* Description of each value */ 65 }; 66 67