progs/tparm_type.c

/****************************************************************************
 * Copyright 2020 Thomas E. Dickey                                          *
 * Copyright 2014,2015 Free Software Foundation, Inc.                       *
 *                                                                          *
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 * copy of this software and associated documentation files (the            *
 * "Software"), to deal in the Software without restriction, including      *
 * without limitation the rights to use, copy, modify, merge, publish,      *
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 * copies of the Software, and to permit persons to whom the Software is    *
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 * in all copies or substantial portions of the Software.                   *
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/****************************************************************************
 *  Author: Thomas E. Dickey                                                *
 ****************************************************************************/

#include <tparm_type.h>

MODULE_ID("$Id: tparm_type.c,v 1.4 2020/10/24 17:30:32 tom Exp $")

/*
 * Lookup the type of call we should make to tparm().  This ignores the actual
 * terminfo capability (bad, because it is not extensible), but makes this
 * code portable to platforms where sizeof(int) != sizeof(char *).
 */
TParams
tparm_type(const char *name)
{
#define TD(code, longname, ti, tc) \
    	{code, {longname} }, \
	{code, {ti} }, \
	{code, {tc} }
    TParams result = Numbers;
    /* *INDENT-OFF* */
    static const struct {
	TParams code;
	const char name[12];
    } table[] = {
	TD(Num_Str,	"pkey_key",	"pfkey",	"pk"),
	TD(Num_Str,	"pkey_local",	"pfloc",	"pl"),
	TD(Num_Str,	"pkey_xmit",	"pfx",		"px"),
	TD(Num_Str,	"plab_norm",	"pln",		"pn"),
	TD(Num_Str_Str, "pkey_plab",	"pfxl",		"xl"),
    };
    /* *INDENT-ON* */

    unsigned n;
    for (n = 0; n < SIZEOF(table); n++) {
	if (!strcmp(name, table[n].name)) {
	    result = table[n].code;
	    break;
	}
    }
    return result;
}

TParams
guess_tparm_type(int nparam, char **p_is_s)
{
    TParams result = Other;
    switch (nparam) {
    case 0:
    case 1:
	if (!p_is_s[0])
	    result = Numbers;
	break;
    case 2:
	if (!p_is_s[0] && !p_is_s[1])
	    result = Numbers;
	if (!p_is_s[0] && p_is_s[1])
	    result = Num_Str;
	break;
    case 3:
	if (!p_is_s[0] && !p_is_s[1] && !p_is_s[2])
	    result = Numbers;
	if (!p_is_s[0] && p_is_s[1] && p_is_s[2])
	    result = Num_Str_Str;
	break;
    default:
	break;
    }
    return result;
}