option.h (6f26c71d76bb795b30684affb3b57870a7926b26) option.h (2235c7feac959bcc9ddfd6a2bc6be32102b1f84c)
1/*
1/*
2 * Copyright (C) 1984-2020 Mark Nudelman
2 * Copyright (C) 1984-2021 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
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 ('$')
11#define END_OPTION_STRING ('$')
12
13/*
14 * Types of options.
15 */
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 */
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
26
27#define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR)
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 */
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) */
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" */
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
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
48struct optname
49{
44
45/* Error code from findopt_name */
46#define OPT_AMBIG 1
47
48struct optname
49{
50 char *oname; /* Long (GNU-style) option name */
51 struct optname *onext; /* List of synonymous option names */
50 char *oname; /* Long (GNU-style) option name */
51 struct optname *onext; /* List of synonymous option names */
52};
53
52};
53
54#define OPTNAME_MAX 32 /* Max length of long option name */
54#define OPTNAME_MAX 32 /* Max length of long option name */
55
56struct loption
57{
55
56struct 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) LESSPARAMS ((int, char*)); /* Pointer to special handling function */
64 char *odesc[3]; /* Description of each value */
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) LESSPARAMS ((int, char*)); /* Pointer to special handling function */
64 char *odesc[3]; /* Description of each value */
65};
66
65};
66