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Annotation of src/usr.bin/less/option.h, Revision 1.1.1.4

1.1       etheisen    1: /*
1.1.1.4 ! shadchin    2:  * Copyright (C) 1984-2012  Mark Nudelman
1.1       etheisen    3:  *
1.1.1.2   millert     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.
1.1       etheisen    6:  *
1.1.1.4 ! shadchin    7:  * For more information, see the README file.
1.1       etheisen    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 */
1.1.1.2   millert    25: #define        INIT_HANDLER    01000   /* Call option handler function at startup */
1.1       etheisen   26:
                     27: #define        OTYPE           (BOOL|TRIPLE|NUMBER|STRING|NOVAR)
                     28:
1.1.1.3   shadchin   29: #define OLETTER_NONE    '\1'     /* Invalid option letter */
                     30:
1.1       etheisen   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
1.1.1.2   millert    43: #define OPT_NO_PROMPT  0100
1.1       etheisen   44:
1.1.1.2   millert    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: };
1.1.1.3   shadchin   53:
                     54: #define OPTNAME_MAX    32      /* Max length of long option name */
1.1.1.2   millert    55:
                     56: struct loption
1.1       etheisen   57: {
                     58:        char oletter;           /* The controlling letter (a-z) */
1.1.1.2   millert    59:        struct optname *onames; /* Long (GNU-style) option name */
1.1       etheisen   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: