2 * Copyright (C) 1984-2011 Mark Nudelman
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.
7 * For more information about less, or for information on how to
8 * contact the author, see the README file.
12 #define END_OPTION_STRING ('$')
17 #define BOOL 01 /* Boolean option: 0 or 1 */
18 #define TRIPLE 02 /* Triple-valued option: 0, 1 or 2 */
19 #define NUMBER 04 /* Numeric option */
20 #define STRING 010 /* String-valued option */
21 #define NOVAR 020 /* No associated variable */
22 #define REPAINT 040 /* Repaint screen after toggling option */
23 #define NO_TOGGLE 0100 /* Option cannot be toggled with "-" cmd */
24 #define HL_REPAINT 0200 /* Repaint hilites after toggling option */
25 #define NO_QUERY 0400 /* Option cannot be queried with "_" cmd */
26 #define INIT_HANDLER 01000 /* Call option handler function at startup */
28 #define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR)
30 #define OLETTER_NONE '\1' /* Invalid option letter */
33 * Argument to a handling function tells what type of activity:
35 #define INIT 0 /* Initialization (from command line) */
36 #define QUERY 1 /* Query (from _ or - command) */
37 #define TOGGLE 2 /* Change value (from - command) */
39 /* Flag to toggle_option to specify how to "toggle" */
40 #define OPT_NO_TOGGLE 0
44 #define OPT_NO_PROMPT 0100
46 /* Error code from findopt_name */
51 char *oname; /* Long (GNU-style) option name */
52 struct optname *onext; /* List of synonymous option names */
55 #define OPTNAME_MAX 32 /* Max length of long option name */
59 char oletter; /* The controlling letter (a-z) */
60 struct optname *onames; /* Long (GNU-style) option name */
61 int otype; /* Type of the option */
62 int odefault; /* Default value */
63 int *ovar; /* Pointer to the associated variable */
64 void (*ofunc)(); /* Pointer to special handling function */
65 char *odesc[3]; /* Description of each value */