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io.c revision 1.4 
      1 /*
      2  * Copyright (c) 1980 Regents of the University of California.
      3  * All rights reserved.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by the University of
     16  *	California, Berkeley and its contributors.
     17  * 4. Neither the name of the University nor the names of its contributors
     18  *    may be used to endorse or promote products derived from this software
     19  *    without specific prior written permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     22  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     24  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     25  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     26  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     27  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     28  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     29  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     30  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     31  * SUCH DAMAGE.
     32  */
     33 
     34 #ifndef lint
     35 /*static char sccsid[] = "from: @(#)io.c	5.8 (Berkeley) 2/28/91";*/
     36 static char rcsid[] = "$Id: io.c,v 1.4 1993/08/01 18:55:12 mycroft Exp $";
     37 #endif /* not lint */
     38 
     39 # include	<curses.h>
     40 # include	<ctype.h>
     41 # include	<signal.h>
     42 # include	<stdarg.h>
     43 # include	"deck.h"
     44 # include	"cribbage.h"
     45 # include	"cribcur.h"
     46 
     47 # define	LINESIZE		128
     48 
     49 # ifdef CTRL
     50 # undef CTRL
     51 # endif
     52 # define	CTRL(X)			('X' - 'A' + 1)
     53 
     54 # ifdef	notdef				/* defined in curses.h */
     55 #	define	erasechar()	_tty.sg_erase
     56 #	define	killchar()	_tty.sg_kill
     57 # endif
     58 
     59 char		linebuf[ LINESIZE ];
     60 
     61 char		*rankname[ RANKS ]	= { "ACE", "TWO", "THREE", "FOUR",
     62 					    "FIVE", "SIX", "SEVEN", "EIGHT",
     63 					    "NINE", "TEN", "JACK", "QUEEN",
     64 					    "KING" };
     65 
     66 char            *rankchar[ RANKS ]      = { "A", "2", "3", "4", "5", "6", "7",
     67 					    "8", "9", "T", "J", "Q", "K" };
     68 
     69 char            *suitname[ SUITS ]      = { "SPADES", "HEARTS", "DIAMONDS",
     70 					    "CLUBS" };
     71 
     72 char            *suitchar[ SUITS ]      = { "S", "H", "D", "C" };
     73 
     74 
     75 
     76 /*
     77  * msgcard:
     78  *	Call msgcrd in one of two forms
     79  */
     80 msgcard(c, brief)
     81 CARD		c;
     82 BOOLEAN		brief;
     83 {
     84 	if (brief)
     85 		return msgcrd(c, TRUE, (char *) NULL, TRUE);
     86 	else
     87 		return msgcrd(c, FALSE, " of ", FALSE);
     88 }
     89 
     90 
     91 
     92 /*
     93  * msgcrd:
     94  *	Print the value of a card in ascii
     95  */
     96 msgcrd(c, brfrank, mid, brfsuit)
     97 CARD		c;
     98 char		*mid;
     99 BOOLEAN		brfrank,  brfsuit;
    100 {
    101 	if (c.rank == EMPTY || c.suit == EMPTY)
    102 	    return FALSE;
    103 	if (brfrank)
    104 	    addmsg("%1.1s", rankchar[c.rank]);
    105 	else
    106 	    addmsg(rankname[c.rank]);
    107 	if (mid != NULL)
    108 	    addmsg(mid);
    109 	if (brfsuit)
    110 	    addmsg("%1.1s", suitchar[c.suit]);
    111 	else
    112 	    addmsg(suitname[c.suit]);
    113 	return TRUE;
    114 }
    115 
    116 /*
    117  * printcard:
    118  *	Print out a card.
    119  */
    120 printcard(win, cardno, c, blank)
    121 WINDOW		*win;
    122 int		cardno;
    123 CARD		c;
    124 BOOLEAN		blank;
    125 {
    126 	prcard(win, cardno * 2, cardno, c, blank);
    127 }
    128 
    129 /*
    130  * prcard:
    131  *	Print out a card on the window at the specified location
    132  */
    133 prcard(win, y, x, c, blank)
    134 WINDOW		*win;
    135 int		y, x;
    136 CARD		c;
    137 BOOLEAN		blank;
    138 {
    139 	if (c.rank == EMPTY)
    140 	    return;
    141 	mvwaddstr(win, y + 0, x, "+-----+");
    142 	mvwaddstr(win, y + 1, x, "|     |");
    143 	mvwaddstr(win, y + 2, x, "|     |");
    144 	mvwaddstr(win, y + 3, x, "|     |");
    145 	mvwaddstr(win, y + 4, x, "+-----+");
    146 	if (!blank) {
    147 		mvwaddch(win, y + 1, x + 1, rankchar[c.rank][0]);
    148 		waddch(win, suitchar[c.suit][0]);
    149 		mvwaddch(win, y + 3, x + 4, rankchar[c.rank][0]);
    150 		waddch(win, suitchar[c.suit][0]);
    151 	}
    152 }
    153 
    154 /*
    155  * prhand:
    156  *	Print a hand of n cards
    157  */
    158 prhand(h, n, win, blank)
    159 CARD		h[];
    160 int		n;
    161 WINDOW		*win;
    162 BOOLEAN		blank;
    163 {
    164 	register int	i;
    165 
    166 	werase(win);
    167 	for (i = 0; i < n; i++)
    168 	    printcard(win, i, *h++, blank);
    169 	wrefresh(win);
    170 }
    171 
    172 
    173 
    174 /*
    175  * infrom:
    176  *	reads a card, supposedly in hand, accepting unambigous brief
    177  *	input, returns the index of the card found...
    178  */
    179 infrom(hand, n, prompt)
    180 CARD		hand[];
    181 int		n;
    182 char		*prompt;
    183 {
    184 	register int           i, j;
    185 	CARD                    crd;
    186 
    187 	if (n < 1) {
    188 	    printf("\nINFROM: %d = n < 1!!\n", n);
    189 	    exit(74);
    190 	}
    191 	for (;;) {
    192 	    msg(prompt);
    193 	    if (incard(&crd)) {			/* if card is full card */
    194 		if (!isone(crd, hand, n))
    195 		    msg("That's not in your hand");
    196 		else {
    197 		    for (i = 0; i < n; i++)
    198 			if (hand[i].rank == crd.rank &&
    199 			    hand[i].suit == crd.suit)
    200 				break;
    201 		    if (i >= n) {
    202 			printf("\nINFROM: isone or something messed up\n");
    203 			exit(77);
    204 		    }
    205 		    return i;
    206 		}
    207 	    }
    208 	    else				/* if not full card... */
    209 		if (crd.rank != EMPTY) {
    210 		    for (i = 0; i < n; i++)
    211 			if (hand[i].rank == crd.rank)
    212 				break;
    213 		    if (i >= n)
    214 			msg("No such rank in your hand");
    215 		    else {
    216 			for (j = i + 1; j < n; j++)
    217 			    if (hand[j].rank == crd.rank)
    218 				break;
    219 			if (j < n)
    220 			    msg("Ambiguous rank");
    221 			else
    222 			    return i;
    223 		    }
    224 		}
    225 		else
    226 		    msg("Sorry, I missed that");
    227 	}
    228 	/* NOTREACHED */
    229 }
    230 
    231 
    232 
    233 /*
    234  * incard:
    235  *	Inputs a card in any format.  It reads a line ending with a CR
    236  *	and then parses it.
    237  */
    238 incard(crd)
    239 CARD		*crd;
    240 {
    241 	char		*getline();
    242 	register int	i;
    243 	int		rnk, sut;
    244 	char		*line, *p, *p1;
    245 	BOOLEAN		retval;
    246 
    247 	retval = FALSE;
    248 	rnk = sut = EMPTY;
    249 	if (!(line = getline()))
    250 		goto gotit;
    251 	p = p1 = line;
    252 	while(  *p1 != ' '  &&  *p1 != NULL  )  ++p1;
    253 	*p1++ = NULL;
    254 	if(  *p == NULL  )  goto  gotit;
    255 			/* IMPORTANT: no real card has 2 char first name */
    256 	if(  strlen(p) == 2  )  {               /* check for short form */
    257 	    rnk = EMPTY;
    258 	    for( i = 0; i < RANKS; i++ )  {
    259 		if(  *p == *rankchar[i]  )  {
    260 		    rnk = i;
    261 		    break;
    262 		}
    263 	    }
    264 	    if(  rnk == EMPTY  )  goto  gotit;     /* it's nothing... */
    265 	    ++p;                                /* advance to next char */
    266 	    sut = EMPTY;
    267 	    for( i = 0; i < SUITS; i++ )  {
    268 		if(  *p == *suitchar[i]  )  {
    269 		    sut = i;
    270 		    break;
    271 		}
    272 	    }
    273 	    if(  sut != EMPTY  )  retval = TRUE;
    274 	    goto  gotit;
    275 	}
    276 	rnk = EMPTY;
    277 	for( i = 0; i < RANKS; i++ )  {
    278 	    if(  !strcmp( p, rankname[i] )  ||  !strcmp( p, rankchar[i] )  )  {
    279 		rnk = i;
    280 		break;
    281 	    }
    282 	}
    283 	if(  rnk == EMPTY  )  goto  gotit;
    284 	p = p1;
    285 	while(  *p1 != ' '  &&  *p1 != NULL  )  ++p1;
    286 	*p1++ = NULL;
    287 	if(  *p == NULL  )  goto  gotit;
    288 	if(  !strcmp( "OF", p )  )  {
    289 	    p = p1;
    290 	    while(  *p1 != ' '  &&  *p1 != NULL  )  ++p1;
    291 	    *p1++ = NULL;
    292 	    if(  *p == NULL  )  goto  gotit;
    293 	}
    294 	sut = EMPTY;
    295 	for( i = 0; i < SUITS; i++ )  {
    296 	    if(  !strcmp( p, suitname[i] )  ||  !strcmp( p, suitchar[i] )  )  {
    297 		sut = i;
    298 		break;
    299 	    }
    300 	}
    301 	if(  sut != EMPTY  )  retval = TRUE;
    302 gotit:
    303 	(*crd).rank = rnk;
    304 	(*crd).suit = sut;
    305 	return( retval );
    306 }
    307 
    308 
    309 
    310 /*
    311  * getuchar:
    312  *	Reads and converts to upper case
    313  */
    314 getuchar()
    315 {
    316 	register int		c;
    317 
    318 	c = readchar();
    319 	if (islower(c))
    320 	    c = toupper(c);
    321 	waddch(Msgwin, c);
    322 	return c;
    323 }
    324 
    325 /*
    326  * number:
    327  *	Reads in a decimal number and makes sure it is between "lo" and
    328  *	"hi" inclusive.
    329  */
    330 number(lo, hi, prompt)
    331 int		lo, hi;
    332 char		*prompt;
    333 {
    334 	char			*getline();
    335 	register char		*p;
    336 	register int		sum;
    337 
    338 	sum = 0;
    339 	for (;;) {
    340 	    msg(prompt);
    341 	    if(!(p = getline()) || *p == NULL) {
    342 		msg(quiet ? "Not a number" : "That doesn't look like a number");
    343 		continue;
    344 	    }
    345 	    sum = 0;
    346 
    347 	    if (!isdigit(*p))
    348 		sum = lo - 1;
    349 	    else
    350 		while (isdigit(*p)) {
    351 		    sum = 10 * sum + (*p - '0');
    352 		    ++p;
    353 		}
    354 
    355 	    if (*p != ' ' && *p != '\t' && *p != NULL)
    356 		sum = lo - 1;
    357 	    if (sum >= lo && sum <= hi)
    358 		return sum;
    359 	    if (sum == lo - 1)
    360 		msg("that doesn't look like a number, try again --> ");
    361 	    else
    362 		msg("%d is not between %d and %d inclusive, try again --> ",
    363 								sum, lo, hi);
    364 	}
    365 }
    366 
    367 /*
    368  * msg:
    369  *	Display a message at the top of the screen.
    370  */
    371 char		Msgbuf[BUFSIZ] = { '\0' };
    372 
    373 int		Mpos = 0;
    374 
    375 static int	Newpos = 0;
    376 
    377 /* VARARGS1 */
    378 msg(fmt,ap)
    379 	char *fmt;
    380 	va_list ap;
    381 {
    382 	(void)vsprintf(&Msgbuf[Newpos], fmt, &ap);
    383 	endmsg();
    384 }
    385 
    386 /*
    387  * addmsg:
    388  *	Add things to the current message
    389  */
    390 /* VARARGS1 */
    391 addmsg(fmt,ap)
    392 	char *fmt;
    393 	va_list ap;
    394 {
    395 	(void)vsprintf(&Msgbuf[Newpos], fmt, &ap);
    396 }
    397 
    398 /*
    399  * endmsg:
    400  *	Display a new msg.
    401  */
    402 
    403 int	Lineno = 0;
    404 
    405 endmsg()
    406 {
    407     register int	len;
    408     register char	*mp, *omp;
    409     static int		lastline = 0;
    410 
    411     /*
    412      * All messages should start with uppercase
    413      */
    414     mvaddch(lastline + Y_MSG_START, SCORE_X, ' ');
    415     if (islower(Msgbuf[0]) && Msgbuf[1] != ')')
    416 	Msgbuf[0] = toupper(Msgbuf[0]);
    417     mp = Msgbuf;
    418     len = strlen(mp);
    419     if (len / MSG_X + Lineno >= MSG_Y) {
    420 	while (Lineno < MSG_Y) {
    421 	    wmove(Msgwin, Lineno++, 0);
    422 	    wclrtoeol(Msgwin);
    423 	}
    424 	Lineno = 0;
    425     }
    426     mvaddch(Lineno + Y_MSG_START, SCORE_X, '*');
    427     lastline = Lineno;
    428     do {
    429 	mvwaddstr(Msgwin, Lineno, 0, mp);
    430 	if ((len = strlen(mp)) > MSG_X) {
    431 	    omp = mp;
    432 	    for (mp = &mp[MSG_X-1]; *mp != ' '; mp--)
    433 	    	continue;
    434 	    while (*mp == ' ')
    435 		mp--;
    436 	    mp++;
    437 	    wmove(Msgwin, Lineno, mp - omp);
    438 	    wclrtoeol(Msgwin);
    439 	}
    440 	if (++Lineno >= MSG_Y)
    441 	    Lineno = 0;
    442     } while (len > MSG_X);
    443     wclrtoeol(Msgwin);
    444     Mpos = len;
    445     Newpos = 0;
    446     wrefresh(Msgwin);
    447     refresh();
    448     wrefresh(Msgwin);
    449 }
    450 
    451 #ifdef notdef
    452 /*
    453  * doadd:
    454  *	Perform an add onto the message buffer
    455  */
    456 doadd(fmt, args)
    457 char	*fmt;
    458 int	*args;
    459 {
    460     static FILE	junk;
    461 
    462     /*
    463      * Do the printf into Msgbuf
    464      */
    465     junk._flag = _IOWRT + _IOSTRG;
    466     junk._ptr = &Msgbuf[Newpos];
    467     junk._cnt = 32767;
    468     _doprnt(fmt, args, &junk);
    469     putc('\0', &junk);
    470     Newpos = strlen(Msgbuf);
    471 }
    472 #endif
    473 
    474 /*
    475  * do_wait:
    476  *	Wait for the user to type ' ' before doing anything else
    477  */
    478 do_wait()
    479 {
    480     register int line;
    481     static char prompt[] = { '-', '-', 'M', 'o', 'r', 'e', '-', '-', '\0' };
    482 
    483     if (Mpos + sizeof prompt < MSG_X)
    484 	wmove(Msgwin, Lineno > 0 ? Lineno - 1 : MSG_Y - 1, Mpos);
    485     else {
    486 	mvwaddch(Msgwin, Lineno, 0, ' ');
    487 	wclrtoeol(Msgwin);
    488 	if (++Lineno >= MSG_Y)
    489 	    Lineno = 0;
    490     }
    491     waddstr(Msgwin, prompt);
    492     wrefresh(Msgwin);
    493     wait_for(' ');
    494 }
    495 
    496 /*
    497  * wait_for
    498  *	Sit around until the guy types the right key
    499  */
    500 wait_for(ch)
    501 register char	ch;
    502 {
    503     register char	c;
    504 
    505     if (ch == '\n')
    506 	while ((c = readchar()) != '\n')
    507 	    continue;
    508     else
    509 	while (readchar() != ch)
    510 	    continue;
    511 }
    512 
    513 /*
    514  * readchar:
    515  *	Reads and returns a character, checking for gross input errors
    516  */
    517 readchar()
    518 {
    519     register int	cnt, y, x;
    520     auto char		c;
    521 
    522 over:
    523     cnt = 0;
    524     while (read(0, &c, 1) <= 0)
    525 	if (cnt++ > 100) {	/* if we are getting infinite EOFs */
    526 		bye();		/* quit the game */
    527 		exit(1);
    528 	}
    529     if (c == CTRL(L)) {
    530 	wrefresh(curscr);
    531 	goto over;
    532     }
    533     if (c == '\r')
    534 	return '\n';
    535     else
    536 	return c;
    537 }
    538 
    539 /*
    540  * getline:
    541  *      Reads the next line up to '\n' or EOF.  Multiple spaces are
    542  *	compressed to one space; a space is inserted before a ','
    543  */
    544 char *
    545 getline()
    546 {
    547     register char	*sp;
    548     register int	c, oy, ox;
    549     register WINDOW	*oscr;
    550 
    551     oscr = stdscr;
    552     stdscr = Msgwin;
    553     getyx(stdscr, oy, ox);
    554     refresh();
    555     /*
    556      * loop reading in the string, and put it in a temporary buffer
    557      */
    558     for (sp = linebuf; (c = readchar()) != '\n'; clrtoeol(), refresh()) {
    559 	if (c == -1)
    560 	    continue;
    561 	else if (c == erasechar()) {	/* process erase character */
    562 	    if (sp > linebuf) {
    563 		register int i;
    564 
    565 		sp--;
    566 		for (i = strlen(unctrl(*sp)); i; i--)
    567 		    addch('\b');
    568 	    }
    569 	    continue;
    570 	}
    571 	else if (c == killchar()) {	/* process kill character */
    572 	    sp = linebuf;
    573 	    move(oy, ox);
    574 	    continue;
    575 	}
    576 	else if (sp == linebuf && c == ' ')
    577 	    continue;
    578 	if (sp >= &linebuf[LINESIZE-1] || !(isprint(c) || c == ' '))
    579 	    putchar(CTRL(G));
    580 	else {
    581 	    if (islower(c))
    582 		c = toupper(c);
    583 	    *sp++ = c;
    584 	    addstr(unctrl(c));
    585 	    Mpos++;
    586 	}
    587     }
    588     *sp = '\0';
    589     stdscr = oscr;
    590     return linebuf;
    591 }
    592 
    593 rint()
    594 {
    595 	bye();
    596 	exit(1);
    597 }
    598 
    599 /*
    600  * bye:
    601  *	Leave the program, cleaning things up as we go.
    602  */
    603 bye()
    604 {
    605 	signal(SIGINT, SIG_IGN);
    606 	mvcur(0, COLS - 1, LINES - 1, 0);
    607 	fflush(stdout);
    608 	endwin();
    609 	putchar('\n');
    610 }
    611