root/usr/src/cmd/tbl/t8.c
/*
 * Copyright 1996 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

/*      Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/*        All Rights Reserved   */

/*
 * Copyright (c) 1980 Regents of the University of California.
 * All rights reserved. The Berkeley software License Agreement
 * specifies the terms and conditions for redistribution.
 */

 /* t8.c: write out one line of output table */
# include "t..c"
# include <locale.h>
# define realsplit ((ct=='a'||ct=='n') && table[nl][c].rcol)

int watchout;
int once;
int topat[MAXCOL];

void    puttext(char *, char *, char *);
void    funnies(int, int);
void    putfont(char *);
void    putsize(char *);

/*
 * parameters
 *
 * i:   line number for deciding format
 * nl:  line number for finding data   usually identical
 */
void
putline(int i, int nl)
{
int c, lf, ct, form, lwid, vspf, ip = -1, cmidx, exvspen, vforml;
int vct, chfont;
char *s, *size, *fn;
watchout=vspf=exvspen=0;
if (i==0) once=0;
if (i==0 && ( allflg || boxflg || dboxflg))
        fullwide(0,   dboxflg? '=' : '-');
if (instead[nl]==0 && fullbot[nl] ==0)
for(c=0; c<ncol; c++)
        {
        s = table[nl][c].col;
        if (s==0) continue;
        if (vspen(s))
                {
                for(ip=nl; ip<nlin; ip=next(ip))
                        if (!vspen(s=table[ip][c].col)) break;
                if (s>(char *)0 && s<(char *)128)
                fprintf(tabout, ".ne \\n(%c|u+\\n(.Vu\n",s);
                continue;
                }
        if (point(s)) continue;
        fprintf(tabout, ".ne \\n(%c|u+\\n(.Vu\n",s);
        watchout=1;
        }
if (linestop[nl])
        fprintf(tabout, ".mk #%c\n", linestop[nl]+'a'-1);
lf = prev(nl);
if (instead[nl])
        {
        puts(instead[nl]);
        return;
        }
if (fullbot[nl])
        {
        switch (ct=fullbot[nl])
                {
                case '=':
                case '-':
                        fullwide(nl,ct);
                }
        return;
        }
for(c=0; c<ncol; c++)
        {
        if (instead[nl]==0 && fullbot[nl]==0)
        if (vspen(table[nl][c].col)) vspf=1;
        if (lf>=0)
                if (vspen(table[lf][c].col)) vspf=1;
        }
if (vspf)
        {
        fprintf(tabout, ".nr #^ \\n(\\*(#du\n");
        fprintf(tabout, ".nr #- \\n(#^\n"); /* current line position relative to bottom */
        }
vspf=0;
chfont=0;
for(c=0; c<ncol; c++)
        {
        s = table[nl][c].col;
        if (s==0) continue;
        chfont |= (int)(font[stynum[nl]][c]);
        if (point(s) ) continue;
        lf=prev(nl);
        if (lf>=0 && vspen(table[lf][c].col))
                fprintf(tabout, ".if (\\n(%c|+\\n(^%c-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(^%c-\\n(#--1v)\n",s,'a'+c,s,'a'+c);
        else
                fprintf(tabout, ".if (\\n(%c|+\\n(#^-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(#^-\\n(#--1v)\n",s,s);
        }
if (allflg && once>0 )
        fullwide(i,'-');
once=1;
runtabs(i, nl);
if (allh(nl) && !pr1403)
        {
        fprintf(tabout, ".nr %d \\n(.v\n", SVS);
        fprintf(tabout, ".vs \\n(.vu-\\n(.sp\n");
        }
if (chfont)
        fprintf(tabout, ".nr %2d \\n(.f\n", S1);
fprintf(tabout, ".nr 35 1m\n");
fprintf(tabout, "\\&");
vct = 0;
for(c=0; c<ncol; c++)
        {
        if (watchout==0 && i+1<nlin && (lf=left(i,c, &lwid))>=0)
                {
                tohcol(c);
                drawvert(lf, i, c, lwid);
                vct += 2;
                }
        if (rightl && c+1==ncol) continue;
        vforml=i;
        for(lf=prev(nl); lf>=0 && vspen(table[lf][c].col); lf=prev(lf))
                vforml= lf;
        form= ctype(vforml,c);
        if (form != 's')
                {
                ct = c+CLEFT;
                if (form=='a') ct = c+CMID;
                if (form=='n' && table[nl][c].rcol && lused[c]==0) ct= c+CMID;
                fprintf(tabout, "\\h'|\\n(%du'", ct);
                }
        s= table[nl][c].col;
        fn = font[stynum[vforml]][c];
        size = csize[stynum[vforml]][c];
        if (*size==0)size=0;
        switch(ct=ctype(vforml, c))
                {
                case 'n':
                case 'a':
                        if (table[nl][c].rcol)
                                {
                           if (lused[c]) /*Zero field width*/
                                {
                                ip = prev(nl);
                                if (ip>=0)
                                if (vspen(table[ip][c].col))
                                        {
                                        if (exvspen==0)
                                                {
                                                fprintf(tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c+'a');
                                                if (cmidx)
                                                        fprintf(tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c+'a');
                                                vct++;
                                                fprintf(tabout, "'");
                                                exvspen=1;
                                                }
                                        }
                                fprintf(tabout, "%c%c",F1,F2);
                                puttext(s,fn,size);
                                fprintf(tabout, "%c",F1);
                                }
                                s= table[nl][c].rcol;
                                form=1;
                                break;
                                }
                        /* FALLTHROUGH */
                case 'c':
                        form=3; break;
                case 'r':
                        form=2; break;
                case 'l':
                        form=1; break;
                case '-':
                case '=':
                        if (real(table[nl][c].col))
                                fprintf(stderr,gettext("%s: line %d: Data ignored on table line %d\n"), ifile, iline-1, i+1);
                        makeline(i,c,ct);
                        continue;
                default:
                        continue;
                }
        if (realsplit ? rused[c]: used[c]) /*Zero field width*/
                {
                /* form: 1 left, 2 right, 3 center adjust */
                if (ifline(s))
                        {
                        makeline(i,c,ifline(s));
                        continue;
                        }
                if (filler(s))
                        {
                        printf("\\l'|\\n(%du\\&%s'", c+CRIGHT, s+2);
                        continue;
                        }
                ip = prev(nl);
                cmidx = ctop[stynum[nl]][c]==0;
                if (ip>=0)
                if (vspen(table[ip][c].col))
                        {
                        if (exvspen==0)
                                {
                                fprintf(tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c+'a');
                                if (cmidx)
                                        fprintf(tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c+'a');
                                vct++;
                                fprintf(tabout, "'");
                                }
                        }
                fprintf(tabout, "%c", F1);
                if (form!= 1)
                        fprintf(tabout, "%c", F2);
                if (vspen(s))
                        vspf=1;
                else
                puttext(s, fn, size);
                if (form !=2)
                        fprintf(tabout, "%c", F2);
                fprintf(tabout, "%c", F1);
                }
        if (ip>=0)
        if (vspen(table[ip][c].col))
                {
                exvspen = (c+1 < ncol) && vspen(table[ip][c+1].col) &&
                        (topat[c] == topat[c+1]) &&
                        (cmidx == (ctop [stynum[nl]][c+1]==0)) && (left(i,c+1,&lwid)<0);
                if (exvspen==0)
                        {
                        fprintf(tabout, "\\v'(\\n(\\*(#du-\\n(^%cu", c+'a');
                        if (cmidx)
                                fprintf(tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c+'a');
                        vct++;
                        fprintf(tabout, "'");
                        }
                }
        else
                exvspen=0;
        /* if lines need to be split for gcos here is the place for a backslash */
        if (vct > 7 && c < ncol)
                {
                fprintf(tabout, "\n.sp-1\n\\&");
                vct=0;
                }
        }
fprintf(tabout, "\n");
if (allh(nl) && !pr1403) fprintf(tabout, ".vs \\n(%du\n", SVS);
if (watchout)
        funnies(i,nl);
if (vspf)
        {
        for(c=0; c<ncol; c++)
                if (vspen(table[nl][c].col) && (nl==0 || (lf=prev(nl))<0 || !vspen(table[lf][c].col)))
                        {
                        fprintf(tabout, ".nr ^%c \\n(#^u\n", 'a'+c);
                        topat[c]=nl;
                        }
        }
}

void
puttext(char *s, char *fn, char *size)
{
if (point(s))
        {
        putfont(fn);
        putsize(size);
        fprintf(tabout, "%s",s);
        if (*fn>0) fprintf(tabout, "\\f\\n(%2d", S1);
        if (size!=0) putsize("0");
        }
}

void
funnies(int stl, int lin)
{
/* write out funny diverted things */
int c, s, pl, lwid, dv, lf, ct;
char *fn;
fprintf(tabout, ".mk ##\n"); /* rmember current vertical position */
fprintf(tabout, ".nr %d \\n(##\n", S1); /* bottom position */
for(c=0; c<ncol; c++)
        {
        s = (int)table[lin][c].col;
        if (point(s)) continue;
        if (s==0) continue;
        fprintf(tabout, ".sp |\\n(##u-1v\n");
        fprintf(tabout, ".nr %d ", SIND);
        for(pl=stl; pl>=0 && !isalpha(ct=ctype(pl,c)); pl=prev(pl))
                ;
        switch (ct)
                {
                case 'n':
                case 'c':
                        fprintf(tabout, "(\\n(%du+\\n(%du-\\n(%c-u)/2u\n",c+CLEFT,c-1+ctspan(lin,c)+CRIGHT, s);
                        break;
                case 'l':
                        fprintf(tabout, "\\n(%du\n",c+CLEFT);
                        break;
                case 'a':
                        fprintf(tabout, "\\n(%du\n",c+CMID);
                        break;
                case 'r':
                        fprintf(tabout, "\\n(%du-\\n(%c-u\n", c+CRIGHT, s);
                        break;
                }
        fprintf(tabout, ".in +\\n(%du\n", SIND);
        fn=font[stynum[stl]][c];
        putfont(fn);
        pl = prev(stl);
        if (stl>0 && pl>=0 && vspen(table[pl][c].col))
                {
                fprintf(tabout, ".sp |\\n(^%cu\n", 'a'+c);
                if (ctop[stynum[stl]][c]==0)
                        {
                        fprintf(tabout, ".nr %d \\n(#-u-\\n(^%c-\\n(%c|+1v\n",TMP, 'a'+c, s);
                        fprintf(tabout, ".if \\n(%d>0 .sp \\n(%du/2u\n", TMP, TMP);
                        }
                }
        fprintf(tabout, ".%c+\n",s);
        fprintf(tabout, ".in -\\n(%du\n", SIND);
        if (*fn>0) putfont("P");
        fprintf(tabout, ".mk %d\n", S2);
        fprintf(tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n", S2, S1, S1, S2);
        }
fprintf(tabout, ".sp |\\n(%du\n", S1);
for(c=dv=0; c<ncol; c++)
        {
        if (stl+1< nlin && (lf=left(stl,c,&lwid))>=0)
                {
                if (dv++ == 0)
                        fprintf(tabout, ".sp -1\n");
                tohcol(c);
                dv++;
                drawvert(lf, stl, c, lwid);
                }
        }
if (dv)
        fprintf(tabout,"\n");
}

void
putfont(char *fn)
{
if (fn && *fn)
        fprintf(tabout,  fn[1] ? "\\f(%.2s" : "\\f%.2s",  fn);
}

void
putsize(char *s)
{
if (s && *s)
        fprintf(tabout, "\\s%s",s);
}