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

void
putline(int i, int nl)
                                /* i is line number for deciding format */
                                /* nl is line number for finding data   usually identical */
{
        int     c, s, lf, ct, form, lwid, vspf, ip, cmidx, exvspen, vforml;
        int     vct, chfont, uphalf;
        char    *ss, *size, *fn, *rct;

        cmidx = 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++) {
                        ss = table[nl][c].col;
                        if (ss == 0) 
                                continue;
                        if (vspen(ss)) {
                                for (ip = nl; ip < nlin; ip = next(ip)){
                                        ss = table[ip][c].col;
                                        if (!vspen(ss)) 
                                                break;
                                }
                                s = (int)(uintptr)ss;
                                if (s > 0 && s < 128)
                                        Bprint(&tabout, ".ne \\n(%c|u+\\n(.Vu\n", s);
                                continue;
                        }
                        if (point(ss)) 
                                continue;
                        s = (int)(uintptr)ss;
                        Bprint(&tabout, ".ne \\n(%c|u+\\n(.Vu\n", s);
                        watchout = 1;
                }
        if (linestop[nl])
                Bprint(&tabout, ".mk #%c\n", linestop[nl] + 'a' - 1);
        lf = prev(nl);
        if (instead[nl]) {
                Bprint(&tabout, "%s\n", 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) {
                Bprint(&tabout, ".nr #^ \\n(\\*(#du\n");
                Bprint(&tabout, ".nr #- \\n(#^\n"); /* current line position relative to bottom */
        }
        vspf = 0;
        chfont = 0;
        for (c = 0; c < ncol; c++) {
                ss = table[nl][c].col;
                if (ss == 0) 
                        continue;
                if(font[c][stynum[nl]])
                        chfont = 1;
                if (point(ss) ) 
                        continue;
                s = (int)(uintptr)ss;
                lf = prev(nl);
                if (lf >= 0 && vspen(table[lf][c].col))
                        Bprint(&tabout,
                           ".if (\\n(%c|+\\n(^%c-1v)>\\n(#- .nr #- +(\\n(%c|+\\n(^%c-\\n(#--1v)\n",
                            s, 'a' + c, s, 'a' + c);
                else
                        Bprint(&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(i) && !pr1403) {
                Bprint(&tabout, ".nr %d \\n(.v\n", SVS);
                Bprint(&tabout, ".vs \\n(.vu-\\n(.sp\n");
                Bprint(&tabout, ".nr 35 \\n(.vu\n");
        } else
                Bprint(&tabout, ".nr 35 1m\n");
        if (chfont)
                Bprint(&tabout, ".nr %2d \\n(.f\n", S1);
        Bprint(&tabout, "\\&");
        vct = 0;
        for (c = 0; c < ncol; c++) {
                uphalf = 0;
                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') {
                        rct = reg(c, CLEFT);
                        if (form == 'a') 
                                rct = reg(c, CMID);
                        if (form == 'n' && table[nl][c].rcol && lused[c] == 0) 
                                rct = reg(c, CMID);
                        Bprint(&tabout, "\\h'|\\n(%2su'", rct);
                }
                ss = table[nl][c].col;
                fn = font[c][stynum[vforml]];
                size = csize[c][stynum[vforml]];
                if (*size == 0)
                        size = 0;
                if ((flags[c][stynum[nl]] & HALFUP) != 0 && pr1403 == 0)
                        uphalf = 1;
                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) {
                                                                Bprint(&tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c + 'a');
                                                                if (cmidx)
/* code folded from here */
        Bprint(&tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
/* unfolding */
                                                                vct++;
                                                                if (pr1403) /* must round to whole lines */
/* code folded from here */
        Bprint(&tabout, "/1v*1v");
/* unfolding */
                                                                Bprint(&tabout, "'");
                                                                exvspen = 1;
                                                        }
                                                }
                                        Bprint(&tabout, "%c%c", F1, F2);
                                        if (uphalf) 
                                                Bprint(&tabout, "\\u");
                                        puttext(ss, fn, size);
                                        if (uphalf) 
                                                Bprint(&tabout, "\\d");
                                        Bprint(&tabout, "%c", F1);
                                }
                                ss = table[nl][c].rcol;
                                form = 1;
                                break;
                        }
                case 'c':
                        form = 3; 
                        break;
                case 'r':
                        form = 2; 
                        break;
                case 'l':
                        form = 1; 
                        break;
                case '-':
                case '=':
                        if (real(table[nl][c].col))
                                fprint(2, "%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(ss)) {
                                makeline(i, c, ifline(ss));
                                continue;
                        }
                        if (filler(ss)) {
                                Bprint(&tabout, "\\l'|\\n(%2su\\&%s'", reg(c, CRIGHT), ss + 2);
                                continue;
                        }
                        ip = prev(nl);
                        cmidx = (flags[c][stynum[nl]] & (CTOP | CDOWN)) == 0;
                        if (ip >= 0)
                                if (vspen(table[ip][c].col)) {
                                        if (exvspen == 0) {
                                                Bprint(&tabout, "\\v'-(\\n(\\*(#du-\\n(^%cu", c + 'a');
                                                if (cmidx)
                                                        Bprint(&tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
                                                vct++;
                                                if (pr1403) /* round to whole lines */
                                                        Bprint(&tabout, "/1v*1v");
                                                Bprint(&tabout, "'");
                                        }
                                }
                        Bprint(&tabout, "%c", F1);
                        if (form != 1)
                                Bprint(&tabout, "%c", F2);
                        if (vspen(ss))
                                vspf = 1;
                        else
                         {
                                if (uphalf) 
                                        Bprint(&tabout, "\\u");
                                puttext(ss, fn, size);
                                if (uphalf) 
                                        Bprint(&tabout, "\\d");
                        }
                        if (form != 2)
                                Bprint(&tabout, "%c", F2);
                        Bprint(&tabout, "%c", F1);
                }
                ip = prev(nl);
                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 == (flags[c+1] [stynum[nl]] & (CTOP | CDOWN) == 0))
                                     && (left(i, c + 1, &lwid) < 0);
                                if (exvspen == 0) {
                                        Bprint(&tabout, "\\v'(\\n(\\*(#du-\\n(^%cu", c + 'a');
                                        if (cmidx)
                                                Bprint(&tabout, "-((\\n(#-u-\\n(^%cu)/2u)", c + 'a');
                                        vct++;
                                        if (pr1403) /* round to whole lines */
                                                Bprint(&tabout, "/1v*1v");
                                        Bprint(&tabout, "'");
                                }
                        }
                        else
                                exvspen = 0;
                /* if lines need to be split for gcos here is the place for a backslash */
                if (vct > 7 && c < ncol) {
                        Bprint(&tabout, "\n.sp-1\n\\&");
                        vct = 0;
                }
        }
        Bprint(&tabout, "\n");
        if (allh(i) && !pr1403) 
                Bprint(&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))) {
                                Bprint(&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);
                Bprint(&tabout, "%s", s);
                if (*fn > 0) 
                        Bprint(&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, *ss;

        Bprint(&tabout, ".mk ##\n");     /* rmember current vertical position */
        Bprint(&tabout, ".nr %d \\n(##\n", S1);          /* bottom position */
        for (c = 0; c < ncol; c++) {
                ss = table[lin][c].col;
                if (point(ss)) 
                        continue;
                if (ss == 0) 
                        continue;
                s = (int)(uintptr)ss;
                Bprint(&tabout, ".sp |\\n(##u-1v\n");
                Bprint(&tabout, ".nr %d ", SIND);
                ct = 0;
                for (pl = stl; pl >= 0 && !isalpha(ct = ctype(pl, c)); pl = prev(pl))
                        ;
                switch (ct) {
                case 'n':
                case 'c':
                        Bprint(&tabout, "(\\n(%2su+\\n(%2su-\\n(%c-u)/2u\n", reg(c, CLEFT),
                             reg(c - 1 + ctspan(lin, c), CRIGHT),
                             s);
                        break;
                case 'l':
                        Bprint(&tabout, "\\n(%2su\n", reg(c, CLEFT));
                        break;
                case 'a':
                        Bprint(&tabout, "\\n(%2su\n", reg(c, CMID));
                        break;
                case 'r':
                        Bprint(&tabout, "\\n(%2su-\\n(%c-u\n", reg(c, CRIGHT), s);
                        break;
                }
                Bprint(&tabout, ".in +\\n(%du\n", SIND);
                fn = font[c][stynum[stl]];
                putfont(fn);
                pl = prev(stl);
                if (stl > 0 && pl >= 0 && vspen(table[pl][c].col)) {
                        Bprint(&tabout, ".sp |\\n(^%cu\n", 'a' + c);
                        if ((flags[c][stynum[stl]] & (CTOP | CDOWN)) == 0) {
                                Bprint(&tabout, ".nr %d \\n(#-u-\\n(^%c-\\n(%c|+1v\n",
                                     TMP, 'a' + c, s);
                                Bprint(&tabout, ".if \\n(%d>0 .sp \\n(%du/2u", TMP, TMP);
                                if (pr1403)              /* round */
                                        Bprint(&tabout, "/1v*1v");
                                Bprint(&tabout, "\n");
                        }
                }
                Bprint(&tabout, ".%c+\n", s);
                Bprint(&tabout, ".in -\\n(%du\n", SIND);
                if (*fn > 0) 
                        putfont("P");
                Bprint(&tabout, ".mk %d\n", S2);
                Bprint(&tabout, ".if \\n(%d>\\n(%d .nr %d \\n(%d\n", S2, S1, S1, S2);
        }
        Bprint(&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)
                                Bprint(&tabout, ".sp -1\n");
                        tohcol(c);
                        dv++;
                        drawvert(lf, stl, c, lwid);
                }
        }
        if (dv)
                Bprint(&tabout, "\n");
}


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


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