cosmopolitan/third_party/ncurses/lib_ti.c

/****************************************************************************
 * Copyright 2018,2020 Thomas E. Dickey                                     *
 * Copyright 1998-2016,2017 Free Software Foundation, Inc.                  *
 *                                                                          *
 * Permission is hereby granted, free of charge, to any person obtaining a  *
 * 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,      *
 * distribute, distribute with modifications, sublicense, and/or sell       *
 * copies of the Software, and to permit persons to whom the Software is    *
 * furnished to do so, subject to the following conditions:                 *
 *                                                                          *
 * The above copyright notice and this permission notice shall be included  *
 * in all copies or substantial portions of the Software.                   *
 *                                                                          *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS  *
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF               *
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.   *
 * IN NO EVENT SHALL THE ABOVE COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,   *
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR    *
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR    *
 * THE USE OR OTHER DEALINGS IN THE SOFTWARE.                               *
 *                                                                          *
 * Except as contained in this notice, the name(s) of the above copyright   *
 * holders shall not be used in advertising or otherwise to promote the     *
 * sale, use or other dealings in this Software without prior written       *
 * authorization.                                                           *
 ****************************************************************************/

/****************************************************************************
 *  Author: Zeyd M. Ben-Halim <zmbenhal@netcom.com> 1992,1995               *
 *     and: Eric S. Raymond <esr@snark.thyrsus.com>                         *
 *     and: Thomas E. Dickey                        1996-on                 *
 ****************************************************************************/

#include "curses.priv.h"

#include "tic.h"

MODULE_ID("$Id: lib_ti.c,v 1.34 2020/02/02 23:34:34 tom Exp $")

#if 0
static bool
same_name(const char *a, const char *b)
{
    fprintf(stderr, "compare(%s,%s)\n", a, b);
    return !strcmp(a, b);
}
#else
#define same_name(a,b) !strcmp(a,b)
#endif

NCURSES_EXPORT(int)
NCURSES_SP_NAME(tigetflag) (NCURSES_SP_DCLx const char *str)
{
    int result = ABSENT_BOOLEAN;

    T((T_CALLED("tigetflag(%p, %s)"), (void *) SP_PARM, str));

    if (HasTInfoTerminal(SP_PARM)) {
	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
	struct name_table_entry const *entry_ptr;
	int j = -1;

	entry_ptr = _nc_find_type_entry(str, BOOLEAN, FALSE);
	if (entry_ptr != 0) {
	    j = entry_ptr->nte_index;
	}
#if NCURSES_XNAMES
	else {
	    int i;
	    for_each_ext_boolean(i, tp) {
		const char *capname = ExtBoolname(tp, i, boolnames);
		if (same_name(str, capname)) {
		    j = i;
		    break;
		}
	    }
	}
#endif
	if (j >= 0) {
	    /* note: setupterm forces invalid booleans to false */
	    result = tp->Booleans[j];
	}
    }

    returnCode(result);
}

#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
tigetflag(const char *str)
{
    return NCURSES_SP_NAME(tigetflag) (CURRENT_SCREEN, str);
}
#endif

NCURSES_EXPORT(int)
NCURSES_SP_NAME(tigetnum) (NCURSES_SP_DCLx const char *str)
{
    int result = CANCELLED_NUMERIC;	/* Solaris returns a -1 on error */

    T((T_CALLED("tigetnum(%p, %s)"), (void *) SP_PARM, str));

    if (HasTInfoTerminal(SP_PARM)) {
	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
	struct name_table_entry const *entry_ptr;
	int j = -1;

	entry_ptr = _nc_find_type_entry(str, NUMBER, FALSE);
	if (entry_ptr != 0) {
	    j = entry_ptr->nte_index;
	}
#if NCURSES_XNAMES
	else {
	    int i;
	    for_each_ext_number(i, tp) {
		const char *capname = ExtNumname(tp, i, numnames);
		if (same_name(str, capname)) {
		    j = i;
		    break;
		}
	    }
	}
#endif
	if (j >= 0) {
	    if (VALID_NUMERIC(tp->Numbers[j]))
		result = tp->Numbers[j];
	    else
		result = ABSENT_NUMERIC;
	}
    }

    returnCode(result);
}

#if NCURSES_SP_FUNCS
NCURSES_EXPORT(int)
tigetnum(const char *str)
{
    return NCURSES_SP_NAME(tigetnum) (CURRENT_SCREEN, str);
}
#endif

NCURSES_EXPORT(char *)
NCURSES_SP_NAME(tigetstr) (NCURSES_SP_DCLx const char *str)
{
    char *result = CANCELLED_STRING;

    T((T_CALLED("tigetstr(%p, %s)"), (void *) SP_PARM, str));

    if (HasTInfoTerminal(SP_PARM)) {
	TERMTYPE2 *tp = &TerminalType(TerminalOf(SP_PARM));
	struct name_table_entry const *entry_ptr;
	int j = -1;

	entry_ptr = _nc_find_type_entry(str, STRING, FALSE);
	if (entry_ptr != 0) {
	    j = entry_ptr->nte_index;
	}
#if NCURSES_XNAMES
	else {
	    int i;
	    for_each_ext_string(i, tp) {
		const char *capname = ExtStrname(tp, i, strnames);
		if (same_name(str, capname)) {
		    j = i;
		    break;
		}
	    }
	}
#endif
	if (j >= 0) {
	    /* note: setupterm forces cancelled strings to null */
	    result = tp->Strings[j];
	}
    }

    returnPtr(result);
}

#if NCURSES_SP_FUNCS
NCURSES_EXPORT(char *)
tigetstr(const char *str)
{
    return NCURSES_SP_NAME(tigetstr) (CURRENT_SCREEN, str);
}
#endif