68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
/*
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* Copyright (C) 1984-2011 Mark Nudelman
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*
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* You may distribute under the terms of either the GNU General Public
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* License or the Less License, as specified in the README file.
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*
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* For more information about less, or for information on how to
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* contact the author, see the README file.
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*/
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#define END_OPTION_STRING ('$')
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/*
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* Types of options.
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*/
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#define BOOL 01 /* Boolean option: 0 or 1 */
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#define TRIPLE 02 /* Triple-valued option: 0, 1 or 2 */
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#define NUMBER 04 /* Numeric option */
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#define STRING 010 /* String-valued option */
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#define NOVAR 020 /* No associated variable */
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#define REPAINT 040 /* Repaint screen after toggling option */
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#define NO_TOGGLE 0100 /* Option cannot be toggled with "-" cmd */
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#define HL_REPAINT 0200 /* Repaint hilites after toggling option */
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#define NO_QUERY 0400 /* Option cannot be queried with "_" cmd */
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#define INIT_HANDLER 01000 /* Call option handler function at startup */
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#define OTYPE (BOOL|TRIPLE|NUMBER|STRING|NOVAR)
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#define OLETTER_NONE '\1' /* Invalid option letter */
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/*
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* Argument to a handling function tells what type of activity:
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*/
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#define INIT 0 /* Initialization (from command line) */
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#define QUERY 1 /* Query (from _ or - command) */
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#define TOGGLE 2 /* Change value (from - command) */
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/* Flag to toggle_option to specify how to "toggle" */
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#define OPT_NO_TOGGLE 0
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#define OPT_TOGGLE 1
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#define OPT_UNSET 2
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#define OPT_SET 3
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#define OPT_NO_PROMPT 0100
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/* Error code from findopt_name */
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#define OPT_AMBIG 1
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struct optname
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{
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char *oname; /* Long (GNU-style) option name */
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struct optname *onext; /* List of synonymous option names */
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};
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#define OPTNAME_MAX 32 /* Max length of long option name */
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struct loption
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{
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char oletter; /* The controlling letter (a-z) */
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struct optname *onames; /* Long (GNU-style) option name */
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int otype; /* Type of the option */
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int odefault; /* Default value */
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int *ovar; /* Pointer to the associated variable */
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void (*ofunc)(); /* Pointer to special handling function */
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char *odesc[3]; /* Description of each value */
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};
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