47 term_setcol(struct termp *p, size_t maxtcol)  in term_setcol()  argument
49 	if (maxtcol > p->maxtcol) {  in term_setcol()
50 		p->tcols = mandoc_recallocarray(p->tcols,  in term_setcol()
51 		    p->maxtcol, maxtcol, sizeof(*p->tcols));  in term_setcol()
52 		p->maxtcol = maxtcol;  in term_setcol()
54 	p->lasttcol = maxtcol - 1;  in term_setcol()
55 	p->tcol = p->tcols;  in term_setcol()
59 term_free(struct termp *p)  in term_free()  argument
61 	for (p->tcol = p->tcols; p->tcol < p->tcols + p->maxtcol; p->tcol++)  in term_free()
62 		free(p->tcol->buf);  in term_free()
63 	free(p->tcols);  in term_free()
64 	free(p->fontq);  in term_free()
65 	free(p);  in term_free()
69 term_begin(struct termp *p, term_margin head,  in term_begin()  argument
73 	p->headf = head;  in term_begin()
74 	p->footf = foot;  in term_begin()
75 	p->argf = arg;  in term_begin()
76 	(*p->begin)(p);  in term_begin()
80 term_end(struct termp *p)  in term_end()  argument
83 	(*p->end)(p);  in term_end()
94 term_flushln(struct termp *p)  in term_flushln()  argument
108 	vbl = (p->flags & TERMP_NOPAD) || p->tcol->offset < p->viscol ?  in term_flushln()
109 	    0 : p->tcol->offset - p->viscol;  in term_flushln()
110 	if (p->minbl && vbl < p->minbl)  in term_flushln()
111 		vbl = p->minbl;  in term_flushln()
113 	if ((p->flags & TERMP_MULTICOL) == 0)  in term_flushln()
114 		p->tcol->col = 0;  in term_flushln()
119 		vfield = p->tcol->rmargin > p->viscol + vbl ?  in term_flushln()
120 		    p->tcol->rmargin - p->viscol - vbl : 0;  in term_flushln()
129 		vtarget = (p->flags & TERMP_NOBREAK) == 0 ? vfield :  in term_flushln()
130 		    p->maxrmargin > p->viscol + vbl ?  in term_flushln()
131 		    p->maxrmargin - p->viscol - vbl : 0;  in term_flushln()
138 		term_fill(p, &nbr, &vbr,  in term_flushln()
139 		    p->flags & TERMP_BRNEVER ? SIZE_MAX : vtarget);  in term_flushln()
150 			if (p->flags & TERMP_CENTER)  in term_flushln()
152 			else if (p->flags & TERMP_RIGHT)  in term_flushln()
158 		term_field(p, vbl, nbr);  in term_flushln()
167 		for (ic = p->tcol->col; ic < p->tcol->lastcol; ic++) {  in term_flushln()
168 			switch (p->tcol->buf[ic]) {  in term_flushln()
170 				if (p->flags & TERMP_BRTRSP)  in term_flushln()
174 				if (p->flags & TERMP_BRTRSP)  in term_flushln()
175 					vbr += (*p->width)(p, ' ');  in term_flushln()
185 		if (ic == p->tcol->lastcol)  in term_flushln()
193 		while (p->tcol->col < p->tcol->lastcol &&  in term_flushln()
194 		    p->tcol->buf[p->tcol->col] == ' ')  in term_flushln()
195 			p->tcol->col++;  in term_flushln()
205 		if (p->flags & TERMP_MULTICOL)  in term_flushln()
208 		endline(p);  in term_flushln()
209 		p->viscol = 0;  in term_flushln()
218 		vbl = p->flags & TERMP_BRIND ?  in term_flushln()
219 		    p->tcol->rmargin : p->tcol->offset;  in term_flushln()
224 	p->col = p->tcol->col = p->tcol->lastcol = 0;  in term_flushln()
225 	p->minbl = p->trailspace;  in term_flushln()
226 	p->flags &= ~(TERMP_BACKAFTER | TERMP_BACKBEFORE | TERMP_NOPAD);  in term_flushln()
228 	if (p->flags & TERMP_MULTICOL)  in term_flushln()
239 	if ((p->flags & TERMP_HANG) == 0 &&  in term_flushln()
240 	    ((p->flags & TERMP_NOBREAK) == 0 ||  in term_flushln()
241 	     vbr + term_len(p, p->trailspace) > vfield))  in term_flushln()
242 		endline(p);  in term_flushln()
253 term_fill(struct termp *p, size_t *nbr, size_t *vbr, size_t vtarget)  in term_fill()  argument
263 	for (ic = p->tcol->col; ic < p->tcol->lastcol; ic++) {  in term_fill()
264 		switch (p->tcol->buf[ic]) {  in term_fill()
267 			vis -= (*p->width)(p, p->tcol->buf[ic - 1]);  in term_fill()
273 			switch (p->tcol->buf[ic]) {  in term_fill()
278 				vn = vis + (*p->width)(p, ' ');  in term_fill()
309 			p->tcol->buf[ic] = '-';  in term_fill()
310 			vis += (*p->width)(p, '-');  in term_fill()
320 			p->tcol->buf[ic] = ' ';  in term_fill()
324 			vis += (*p->width)(p, p->tcol->buf[ic]);  in term_fill()
350 term_field(struct termp *p, size_t vbl, size_t nbr)  in term_field()  argument
358 	for (ic = p->tcol->col; ic < nbr; ic++) {  in term_field()
365 		switch (p->tcol->buf[ic]) {  in term_field()
376 			dv = (*p->width)(p, ' ');  in term_field()
390 			(*p->advance)(p, vbl);  in term_field()
391 			p->viscol += vbl;  in term_field()
397 		(*p->letter)(p, p->tcol->buf[ic]);  in term_field()
398 		if (p->tcol->buf[ic] == '\b') {  in term_field()
399 			dv = (*p->width)(p, p->tcol->buf[ic - 1]);  in term_field()
400 			p->viscol -= dv;  in term_field()
403 			dv = (*p->width)(p, p->tcol->buf[ic]);  in term_field()
404 			p->viscol += dv;  in term_field()
408 	p->tcol->col = nbr;  in term_field()
412 endline(struct termp *p)  in endline()  argument
414 	if ((p->flags & (TERMP_NEWMC | TERMP_ENDMC)) == TERMP_ENDMC) {  in endline()
415 		p->mc = NULL;  in endline()
416 		p->flags &= ~TERMP_ENDMC;  in endline()
418 	if (p->mc != NULL) {  in endline()
419 		if (p->viscol && p->maxrmargin >= p->viscol)  in endline()
420 			(*p->advance)(p, p->maxrmargin - p->viscol + 1);  in endline()
421 		p->flags |= TERMP_NOBUF | TERMP_NOSPACE;  in endline()
422 		term_word(p, p->mc);  in endline()
423 		p->flags &= ~(TERMP_NOBUF | TERMP_NEWMC);  in endline()
425 	p->viscol = 0;  in endline()
426 	p->minbl = 0;  in endline()
427 	(*p->endline)(p);  in endline()
436 term_newln(struct termp *p)  in term_newln()  argument
439 	p->flags |= TERMP_NOSPACE;  in term_newln()
440 	if (p->tcol->lastcol || p->viscol)  in term_newln()
441 		term_flushln(p);  in term_newln()
451 term_vspace(struct termp *p)  in term_vspace()  argument
454 	term_newln(p);  in term_vspace()
455 	p->viscol = 0;  in term_vspace()
456 	p->minbl = 0;  in term_vspace()
457 	if (0 < p->skipvsp)  in term_vspace()
458 		p->skipvsp--;  in term_vspace()
460 		(*p->endline)(p);  in term_vspace()
465 term_fontlast(struct termp *p)  in term_fontlast()  argument
469 	f = p->fontl;  in term_fontlast()
470 	p->fontl = p->fontq[p->fonti];  in term_fontlast()
471 	p->fontq[p->fonti] = f;  in term_fontlast()
476 term_fontrepl(struct termp *p, enum termfont f)  in term_fontrepl()  argument
479 	p->fontl = p->fontq[p->fonti];  in term_fontrepl()
480 	p->fontq[p->fonti] = f;  in term_fontrepl()
485 term_fontpush(struct termp *p, enum termfont f)  in term_fontpush()  argument
488 	p->fontl = p->fontq[p->fonti];  in term_fontpush()
489 	if (++p->fonti == p->fontsz) {  in term_fontpush()
490 		p->fontsz += 8;  in term_fontpush()
491 		p->fontq = mandoc_reallocarray(p->fontq,  in term_fontpush()
492 		    p->fontsz, sizeof(*p->fontq));  in term_fontpush()
494 	p->fontq[p->fonti] = f;  in term_fontpush()
499 term_fontpopq(struct termp *p, int i)  in term_fontpopq()  argument
503 	if (p->fonti > i)  in term_fontpopq()
504 		p->fonti = i;  in term_fontpopq()
509 term_fontpop(struct termp *p)  in term_fontpop()  argument
512 	assert(p->fonti);  in term_fontpop()
513 	p->fonti--;  in term_fontpop()
522 term_word(struct termp *p, const char *word)  in term_word()  argument
531 	if ((p->flags & TERMP_NOBUF) == 0) {  in term_word()
532 		if ((p->flags & TERMP_NOSPACE) == 0) {  in term_word()
533 			if ((p->flags & TERMP_KEEP) == 0) {  in term_word()
534 				bufferc(p, ' ');  in term_word()
535 				if (p->flags & TERMP_SENTENCE)  in term_word()
536 					bufferc(p, ' ');  in term_word()
538 				bufferc(p, ASCII_NBRSP);  in term_word()
540 		if (p->flags & TERMP_PREKEEP)  in term_word()
541 			p->flags |= TERMP_KEEP;  in term_word()
542 		if (p->flags & TERMP_NONOSPACE)  in term_word()
543 			p->flags |= TERMP_NOSPACE;  in term_word()
545 			p->flags &= ~TERMP_NOSPACE;  in term_word()
546 		p->flags &= ~(TERMP_SENTENCE | TERMP_NONEWLINE);  in term_word()
547 		p->skipvsp = 0;  in term_word()
552 			if (TERMP_NBRWORD & p->flags) {  in term_word()
554 					encode(p, nbrsp, 1);  in term_word()
561 			encode(p, word, ssz);  in term_word()
578 			if (p->enc == TERMENC_ASCII) {  in term_word()
581 					encode(p, cp, ssz);  in term_word()
585 					encode1(p, uc);  in term_word()
593 			term_fontrepl(p, TERMFONT_BOLD);  in term_word()
597 			term_fontrepl(p, TERMFONT_UNDER);  in term_word()
600 			term_fontrepl(p, TERMFONT_BI);  in term_word()
605 			term_fontrepl(p, TERMFONT_NONE);  in term_word()
608 			term_fontlast(p);  in term_word()
611 			bufferc(p, '\n');  in term_word()
614 			if (p->flags & TERMP_BACKAFTER)  in term_word()
615 				p->flags &= ~TERMP_BACKAFTER;  in term_word()
617 				p->flags |= (TERMP_NOSPACE | TERMP_NONEWLINE);  in term_word()
620 			if (p->type == TERMTYPE_PDF)  in term_word()
621 				encode(p, "pdf", 3);  in term_word()
622 			else if (p->type == TERMTYPE_PS)  in term_word()
623 				encode(p, "ps", 2);  in term_word()
624 			else if (p->enc == TERMENC_ASCII)  in term_word()
625 				encode(p, "ascii", 5);  in term_word()
627 				encode(p, "utf8", 4);  in term_word()
632 				uc = -p->col;  in term_word()
637 			uc += term_hen(p, &su);  in term_word()
640 					bufferc(p, ASCII_NBRSP);  in term_word()
641 			else if (p->col > (size_t)(-uc))  in term_word()
642 				p->col += uc;  in term_word()
644 				uc += p->col;  in term_word()
645 				p->col = 0;  in term_word()
646 				if (p->tcol->offset > (size_t)(-uc)) {  in term_word()
647 					p->ti += uc;  in term_word()
648 					p->tcol->offset += uc;  in term_word()
650 					p->ti -= p->tcol->offset;  in term_word()
651 					p->tcol->offset = 0;  in term_word()
658 			uc = term_hen(p, &su);  in term_word()
660 				if (p->tcol->rmargin <= p->tcol->offset)  in term_word()
662 				lsz = p->tcol->rmargin - p->tcol->offset;  in term_word()
691 			if (p->enc == TERMENC_ASCII) {  in term_word()
693 				csz = term_strlen(p, cp);  in term_word()
696 				csz = (*p->width)(p, uc);  in term_word()
698 				if (p->enc == TERMENC_ASCII)  in term_word()
699 					encode(p, cp, ssz);  in term_word()
701 					encode1(p, uc);  in term_word()
706 			p->flags |= TERMP_BACKAFTER;  in term_word()
715 				encode1(p, *seq++);  in term_word()
717 					if (p->flags & TERMP_BACKBEFORE)  in term_word()
718 						p->flags |= TERMP_BACKAFTER;  in term_word()
720 						p->flags |= TERMP_BACKBEFORE;  in term_word()
724 			if (p->tcol->lastcol > 2 &&  in term_word()
725 			    (p->tcol->buf[p->tcol->lastcol - 1] == ' ' ||  in term_word()
726 			     p->tcol->buf[p->tcol->lastcol - 1] == '\t'))  in term_word()
727 				p->tcol->lastcol -= 2;  in term_word()
728 			if (p->col > p->tcol->lastcol)  in term_word()
729 				p->col = p->tcol->lastcol;  in term_word()
740 		if (p->enc == TERMENC_ASCII) {  in term_word()
742 			encode(p, cp, strlen(cp));  in term_word()
747 			encode1(p, uc);  in term_word()
750 	p->flags &= ~TERMP_NBRWORD;  in term_word()
764 bufferc(struct termp *p, char c)  in bufferc()  argument
766 	if (p->flags & TERMP_NOBUF) {  in bufferc()
767 		(*p->letter)(p, c);  in bufferc()
770 	if (p->col + 1 >= p->tcol->maxcols)  in bufferc()
771 		adjbuf(p->tcol, p->col + 1);  in bufferc()
772 	if (p->tcol->lastcol <= p->col || (c != ' ' && c != ASCII_NBRSP))  in bufferc()
773 		p->tcol->buf[p->col] = c;  in bufferc()
774 	if (p->tcol->lastcol < ++p->col)  in bufferc()
775 		p->tcol->lastcol = p->col;  in bufferc()
784 encode1(struct termp *p, int c)  in encode1()  argument
788 	if (p->flags & TERMP_NOBUF) {  in encode1()
789 		(*p->letter)(p, c);  in encode1()
793 	if (p->col + 7 >= p->tcol->maxcols)  in encode1()
794 		adjbuf(p->tcol, p->col + 7);  in encode1()
797 	    p->fontq[p->fonti] : TERMFONT_NONE;  in encode1()
799 	if (p->flags & TERMP_BACKBEFORE) {  in encode1()
800 		if (p->tcol->buf[p->col - 1] == ' ' ||  in encode1()
801 		    p->tcol->buf[p->col - 1] == '\t')  in encode1()
802 			p->col--;  in encode1()
804 			p->tcol->buf[p->col++] = '\b';  in encode1()
805 		p->flags &= ~TERMP_BACKBEFORE;  in encode1()
808 		p->tcol->buf[p->col++] = '_';  in encode1()
809 		p->tcol->buf[p->col++] = '\b';  in encode1()
813 			p->tcol->buf[p->col++] = '-';  in encode1()
815 			p->tcol->buf[p->col++] = c;  in encode1()
816 		p->tcol->buf[p->col++] = '\b';  in encode1()
818 	if (p->tcol->lastcol <= p->col || (c != ' ' && c != ASCII_NBRSP))  in encode1()
819 		p->tcol->buf[p->col] = c;  in encode1()
820 	if (p->tcol->lastcol < ++p->col)  in encode1()
821 		p->tcol->lastcol = p->col;  in encode1()
822 	if (p->flags & TERMP_BACKAFTER) {  in encode1()
823 		p->flags |= TERMP_BACKBEFORE;  in encode1()
824 		p->flags &= ~TERMP_BACKAFTER;  in encode1()
829 encode(struct termp *p, const char *word, size_t sz)  in encode()  argument
833 	if (p->flags & TERMP_NOBUF) {  in encode()
835 			(*p->letter)(p, word[i]);  in encode()
839 	if (p->col + 2 + (sz * 5) >= p->tcol->maxcols)  in encode()
840 		adjbuf(p->tcol, p->col + 2 + (sz * 5));  in encode()
845 			encode1(p, word[i]);  in encode()
847 			if (p->tcol->lastcol <= p->col ||  in encode()
849 				p->tcol->buf[p->col] = word[i];  in encode()
850 			p->col++;  in encode()
858 			    (p->flags & TERMP_BACKBEFORE)) {  in encode()
859 				p->flags &= ~TERMP_BACKBEFORE;  in encode()
860 				p->flags |= TERMP_BACKAFTER;  in encode()
864 	if (p->tcol->lastcol < p->col)  in encode()
865 		p->tcol->lastcol = p->col;  in encode()
869 term_setwidth(struct termp *p, const char *wstr)  in term_setwidth()  argument
890 			width = term_hspan(p, &su);  in term_setwidth()
894 	(*p->setwidth)(p, iop, width);  in term_setwidth()
898 term_len(const struct termp *p, size_t sz)  in term_len()  argument
901 	return (*p->width)(p, ' ') * sz;  in term_len()
905 cond_width(const struct termp *p, int c, int *skip)  in cond_width()  argument
912 		return (*p->width)(p, c);  in cond_width()
916 term_strlen(const struct termp *p, const char *cp)  in term_strlen()  argument
936 			sz += cond_width(p, *cp++, &skip);  in term_strlen()
953 				if (p->enc == TERMENC_ASCII) {  in term_strlen()
960 						sz += cond_width(p, uc, &skip);  in term_strlen()
967 				if (p->type == TERMTYPE_PDF) {  in term_strlen()
970 				} else if (p->type == TERMTYPE_PS) {  in term_strlen()
973 				} else if (p->enc == TERMENC_ASCII) {  in term_strlen()
992 					i = (*p->width)(p, *seq++);  in term_strlen()
1008 				if (p->enc == TERMENC_ASCII) {  in term_strlen()
1015 					sz += cond_width(p, uc, &skip);  in term_strlen()
1031 				sz += (*p->width)(p, *rhs++);  in term_strlen()
1034 			sz += cond_width(p, ' ', &skip);  in term_strlen()
1038 			sz += cond_width(p, '-', &skip);  in term_strlen()
1050 term_vspan(const struct termp *p, const struct roffsu *su)  in term_vspan()  argument
1095 term_hspan(const struct termp *p, const struct roffsu *su)  in term_hspan()  argument
1098 	return (*p->hspan)(p, su);  in term_hspan()
1105 term_hen(const struct termp *p, const struct roffsu *su)  in term_hen()  argument
1109 	if ((bu = (*p->hspan)(p, su)) >= 0)  in term_hen()