/* * Copyright (C) 1984-2002 Mark Nudelman * * You may distribute under the terms of either the GNU General Public * License or the Less License, as specified in the README file. * * For more information about less, or for information on how to * contact the author, see the README file. */ #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 HL_REPAINT 0200 /* Repaint hilites after toggling option */ #define NO_QUERY 0400 /* Option cannot be queried with "_" cmd */ #define INIT_HANDLER 01000 /* Call option handler function at startup */ #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 #define OPT_NO_PROMPT 0100 /* Error code from findopt_name */ #define OPT_AMBIG 1 struct optname { char *oname; /* Long (GNU-style) option name */ struct optname *onext; /* List of synonymous option names */ }; struct loption { char oletter; /* The controlling letter (a-z) */ struct optname *onames; /* Long (GNU-style) option name */ int 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 */ };