/* $MirOS: src/usr.bin/oldroff/nroff/ni.c,v 1.5 2008/11/08 23:04:42 tg Exp $ */

/*-
 * Copyright (c) 1979, 1980, 1981, 1986, 1988, 1990, 1991, 1992
 *     The Regents of the University of California.
 * Copyright (C) Caldera International Inc.  2001-2002.
 * Copyright (c) 2003, 2004
 *	Thorsten "mirabilos" Glaser <tg@mirbsd.org>
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms,
 * with or without modification, are permitted provided
 * that the following conditions are met:
 *
 * Redistributions of source code and documentation must retain
 * the above copyright notice, this list of conditions and the
 * following disclaimer.  Redistributions in binary form must
 * reproduce the above copyright notice, this list of conditions
 * and the following disclaimer in the documentation and/or other
 * materials provided with the distribution.
 *
 * All advertising materials mentioning features or use of this
 * software must display the following acknowledgement:
 *   This product includes software developed or owned by
 *   Caldera International, Inc.
 *
 * Neither the name of Caldera International, Inc. nor the names
 * of other contributors may be used to endorse or promote products
 * derived from this software without specific prior written permission.
 *
 * USE OF THE SOFTWARE PROVIDED FOR UNDER THIS LICENSE BY CALDERA
 * INTERNATIONAL, INC. AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL CALDERA INTERNATIONAL, INC. BE
 * LIABLE FOR ANY DIRECT, INDIRECT INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef lint
static char sccsid[] = "@(#)ni.c	4.5 (Berkeley) 4/18/91";
#endif /* not lint */

#include "tdef.h"
#include "pathnames.h"
char obuf[OBUFSZ];
char *obufp = obuf;
int r[NN] = {
	PAIR('%',0),
	PAIR('n','l'),
	PAIR('y','r'),
	PAIR('h','p'),
	PAIR('c','t'),
	PAIR('d','n'),
	PAIR('m','o'),
	PAIR('d','y'),
	PAIR('d','w'),
	PAIR('l','n'),
	PAIR('d','l'),
	PAIR('s','t'),
	PAIR('s','b'),
	PAIR('c','.')};
int pto = 10000;
int pfrom = 1;
int print = 1;
char nextf[NS] = _PATH_TMAC;
int nfi = sizeof(_PATH_TMAC) - 1;
#ifdef NROFF
char termtab[NS] = _PATH_TERM;
int tti = sizeof(_PATH_TERM) - 1;
#endif
#ifndef NROFF
int oldbits = -1;
#endif
int init = 1;
int fc = IMP;
int eschar = '\\';
int pl = 11*INCH;
int po = PO;
int dfact = 1;
int dfactd = 1;
int res = 1;
int smnt = 4;
int ascii = ASCII;
int ptid = PTID;
char ptname[] = "/dev/cat";
int lg = LG;
int pnlist[NPN] = {-1};
int *pnp = pnlist;
int npn = 1;
int npnflg = 1;
int xflg = 1;
int dpn = -1;
int totout = 1;
int ulfont = 1;
int ulbit = 1<<9;
int tabch = TAB;
int ldrch = LEADER;
int xxx;
extern caseds(), caseas(), casesp(), caseft(), caseps(), casevs(),
casenr(), caseif(), casepo(), casetl(), casetm(), casebp(), casech(),
casepn(), tbreak(), caseti(), casene(), casenf(), casece(), casefi(),
casein(), caseli(), casell(), casens(), casemk(), casert(), caseam(),
casede(), casedi(), caseda(), casewh(), casedt(), caseit(), caserm(),
casern(), casead(), casers(), casena(), casepl(), caseta(), casetr(),
caseul(), caselt(), casenx(), caseso(), caseig(), casetc(), casefc(),
caseec(), caseeo(), caselc(), caseev(), caserd(), caseab(), casefl(),
done(), casess(), casefp(), casecs(), casebd(), caselg(), casehc(),
casehy(), casenh(), casenm(), casenn(), casesv(), caseos(), casels(),
casecc(), casec2(), caseem(), caseaf(), casehw(), casemc(), casepm(),
casecu(), casepi(), caserr(), caseuf(), caseie(), caseel(), casepc(),
caseht();
#ifndef NROFF
extern casefz();
#endif
extern casecf();
struct contab {
	int rq;
/*
	union {
 */
		int (*f)();
/*
		unsigned mx;
	}x;
 */
}contab[NM]= {
	PAIR('d','s'),caseds,
	PAIR('a','s'),caseas,
	PAIR('s','p'),casesp,
	PAIR('f','t'),caseft,
	PAIR('p','s'),caseps,
	PAIR('v','s'),casevs,
	PAIR('n','r'),casenr,
	PAIR('i','f'),caseif,
	PAIR('i','e'),caseie,
	PAIR('e','l'),caseel,
	PAIR('p','o'),casepo,
	PAIR('t','l'),casetl,
	PAIR('t','m'),casetm,
	PAIR('b','p'),casebp,
	PAIR('c','h'),casech,
	PAIR('p','n'),casepn,
	PAIR('b','r'),tbreak,
	PAIR('t','i'),caseti,
	PAIR('n','e'),casene,
	PAIR('n','f'),casenf,
	PAIR('c','e'),casece,
	PAIR('f','i'),casefi,
	PAIR('i','n'),casein,
	PAIR('l','i'),caseli,
	PAIR('l','l'),casell,
	PAIR('n','s'),casens,
	PAIR('m','k'),casemk,
	PAIR('r','t'),casert,
	PAIR('a','m'),caseam,
	PAIR('d','e'),casede,
	PAIR('d','i'),casedi,
	PAIR('d','a'),caseda,
	PAIR('w','h'),casewh,
	PAIR('d','t'),casedt,
	PAIR('i','t'),caseit,
	PAIR('r','m'),caserm,
	PAIR('r','r'),caserr,
	PAIR('r','n'),casern,
	PAIR('a','d'),casead,
	PAIR('r','s'),casers,
	PAIR('n','a'),casena,
	PAIR('p','l'),casepl,
	PAIR('t','a'),caseta,
	PAIR('t','r'),casetr,
	PAIR('u','l'),caseul,
	PAIR('c','u'),casecu,
	PAIR('l','t'),caselt,
	PAIR('n','x'),casenx,
	PAIR('s','o'),caseso,
	PAIR('i','g'),caseig,
	PAIR('t','c'),casetc,
	PAIR('f','c'),casefc,
	PAIR('e','c'),caseec,
	PAIR('e','o'),caseeo,
	PAIR('l','c'),caselc,
	PAIR('e','v'),caseev,
	PAIR('r','d'),caserd,
	PAIR('a','b'),caseab,
	PAIR('f','l'),casefl,
	PAIR('e','x'),done,
	PAIR('s','s'),casess,
	PAIR('f','p'),casefp,
	PAIR('c','s'),casecs,
	PAIR('b','d'),casebd,
	PAIR('l','g'),caselg,
	PAIR('h','c'),casehc,
	PAIR('h','y'),casehy,
	PAIR('n','h'),casenh,
	PAIR('n','m'),casenm,
	PAIR('n','n'),casenn,
	PAIR('s','v'),casesv,
	PAIR('o','s'),caseos,
	PAIR('l','s'),casels,
	PAIR('c','c'),casecc,
	PAIR('c','2'),casec2,
	PAIR('e','m'),caseem,
	PAIR('a','f'),caseaf,
	PAIR('h','w'),casehw,
	PAIR('m','c'),casemc,
	PAIR('p','m'),casepm,
#ifdef NROFF
	PAIR('p','i'),casepi,
#endif
	PAIR('u','f'),caseuf,
	PAIR('p','c'),casepc,
	PAIR('h','t'),caseht,
#ifndef NROFF
	PAIR('f','z'),casefz,
#endif
	PAIR('c', 'f'),casecf,
};

/*
troff environment block
*/

int block = 0;
int ics = ICS;
int ic = 0;
int icf = 0;
int chbits = 0;
int spbits = 0;
int nmbits = 0;
int apts = PS;
int apts1 = PS;
int pts = PS;
int pts1 = PS;
int font = FT;
int font1 = FT;
int sps = SPS;
int spacesz = SS;
int lss = VS;
int lss1 = VS;
int ls = 1;
int ls1 = 1;
int ll = LL;
int ll1 = LL;
int lt = LL;
int lt1 = LL;
int ad = 1;
int nms = 1;
int ndf = 1;
int fi = 1;
int cc = '.';
int c2 = '\'';
int ohc = OHC;
int tdelim = IMP;
int hyf = 1;
int hyoff = 0;
int un1 = -1;
int tabc = 0;
int dotc = '.';
int adsp = 0;
int adrem = 0;
int lastl = 0;
int nel = 0;
int admod = 0;
int *wordp = 0;
int spflg = 0;
int *linep = 0;
int *wdend = 0;
int *wdstart = 0;
int wne = 0;
int ne = 0;
int nc = 0;
int nb = 0;
int lnmod = 0;
int nwd = 0;
int nn = 0;
int ni = 0;
int ul = 0;
int cu = 0;
int ce = 0;
int in = 0;
int in1 = 0;
int un = 0;
int wch = 0;
int pendt = 0;
int *pendw = 0;
int pendnf = 0;
int spread = 0;
int it = 0;
int itmac = 0;
int lnsize = LNSIZE;
int *hyptr[NHYP] = {0};
int tabtab[NTAB] = {DTAB,DTAB*2,DTAB*3,DTAB*4,DTAB*5,DTAB*6,DTAB*7,DTAB*8,
	DTAB*9,DTAB*10,DTAB*11,DTAB*12,DTAB*13,DTAB*14,DTAB*15,0};
int line[LNSIZE] = {0};
int word[WDSIZE] = {0};
int blockxxx[EVS-68-NHYP-NTAB-WDSIZE-LNSIZE] = {0};
/*spare 5 words*/
int oline[LNSIZE+1];