more renaming from mdocml to mandoc

[mandoc.git] / tbl_term.c

diff --git a/tbl_term.c b/tbl_term.c
index 32fd1a78771d702ebf66795164840ba4f13d2027..fd03b81303f90d237abc0e3acc1db292271c56f8 100644 (file)
--- a/tbl_term.c
+++ b/tbl_term.c
@@ -1,7 +1,7 @@
-/*     $Id: tbl_term.c,v 1.29 2014/10/13 23:31:46 schwarze Exp $ */
+/*     $Id: tbl_term.c,v 1.56 2017/07/08 13:43:15 schwarze Exp $ */

 /*
  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
 /*
  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>

- * Copyright (c) 2011, 2012, 2014 Ingo Schwarze <schwarze@openbsd.org>
+ * Copyright (c) 2011,2012,2014,2015,2017 Ingo Schwarze <schwarze@openbsd.org>

  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above
  *
  * Permission to use, copy, modify, and distribute this software for any
  * purpose with or without fee is hereby granted, provided that the above


@@ -28,257 +28,507 @@
 #include "out.h"
 #include "term.h"
 
 #include "out.h"
 #include "term.h"
 

+#define        IS_HORIZ(cp)    ((cp)->pos == TBL_CELL_HORIZ || \
+                        (cp)->pos == TBL_CELL_DHORIZ)
+

 static size_t  term_tbl_len(size_t, void *);
 static size_t  term_tbl_strlen(const char *, void *);
 static size_t  term_tbl_len(size_t, void *);
 static size_t  term_tbl_strlen(const char *, void *);

+static size_t  term_tbl_sulen(const struct roffsu *, void *);

 static void    tbl_char(struct termp *, char, size_t);
 static void    tbl_data(struct termp *, const struct tbl_opts *,
 static void    tbl_char(struct termp *, char, size_t);
 static void    tbl_data(struct termp *, const struct tbl_opts *,

+                       const struct tbl_cell *,

                        const struct tbl_dat *,
                        const struct roffcol *);
                        const struct tbl_dat *,
                        const struct roffcol *);

-static size_t  tbl_rulewidth(struct termp *, const struct tbl_head *);
-static void    tbl_hframe(struct termp *, const struct tbl_span *, int);

 static void    tbl_literal(struct termp *, const struct tbl_dat *,
                        const struct roffcol *);
 static void    tbl_number(struct termp *, const struct tbl_opts *,
                        const struct tbl_dat *,
                        const struct roffcol *);
 static void    tbl_literal(struct termp *, const struct tbl_dat *,
                        const struct roffcol *);
 static void    tbl_number(struct termp *, const struct tbl_opts *,
                        const struct tbl_dat *,
                        const struct roffcol *);

-static void    tbl_hrule(struct termp *, const struct tbl_span *);
-static void    tbl_vrule(struct termp *, const struct tbl_head *);
+static void    tbl_hrule(struct termp *, const struct tbl_span *, int);

 static void    tbl_word(struct termp *, const struct tbl_dat *);
 
 
 static size_t
 static void    tbl_word(struct termp *, const struct tbl_dat *);
 
 
 static size_t

-term_tbl_strlen(const char *p, void *arg)
+term_tbl_sulen(const struct roffsu *su, void *arg)

 {
 {

+       return term_hen((const struct termp *)arg, su);
+}

 
 

-       return(term_strlen((const struct termp *)arg, p));
+static size_t
+term_tbl_strlen(const char *p, void *arg)
+{
+       return term_strlen((const struct termp *)arg, p);

 }
 
 static size_t
 term_tbl_len(size_t sz, void *arg)
 {
 }
 
 static size_t
 term_tbl_len(size_t sz, void *arg)
 {

-
-       return(term_len((const struct termp *)arg, sz));
+       return term_len((const struct termp *)arg, sz);

 }
 
 void
 term_tbl(struct termp *tp, const struct tbl_span *sp)
 {
 }
 
 void
 term_tbl(struct termp *tp, const struct tbl_span *sp)
 {

-       const struct tbl_head   *hp;
+       const struct tbl_cell   *cp, *cpn, *cpp;

        const struct tbl_dat    *dp;
        const struct tbl_dat    *dp;

-       struct roffcol          *col;
-       int                      spans;
-       size_t                   rmargin, maxrmargin;
-
-       rmargin = tp->rmargin;
-       maxrmargin = tp->maxrmargin;
-
-       tp->rmargin = tp->maxrmargin = TERM_MAXMARGIN;
+       static size_t            offset;
+       size_t                   coloff, tsz;
+       int                      ic, horiz, spans, vert, more;
+       char                     fc;

 
        /* Inhibit printing of spaces: we do padding ourselves. */
 
 
        /* Inhibit printing of spaces: we do padding ourselves. */
 

-       tp->flags |= TERMP_NONOSPACE;
-       tp->flags |= TERMP_NOSPACE;
+       tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;

 
        /*
         * The first time we're invoked for a given table block,
         * calculate the table widths and decimal positions.
         */
 
 
        /*
         * The first time we're invoked for a given table block,
         * calculate the table widths and decimal positions.
         */
 

-       if (TBL_SPAN_FIRST & sp->flags) {
-               term_flushln(tp);
-
+       if (tp->tbl.cols == NULL) {

                tp->tbl.len = term_tbl_len;
                tp->tbl.slen = term_tbl_strlen;
                tp->tbl.len = term_tbl_len;
                tp->tbl.slen = term_tbl_strlen;

+               tp->tbl.sulen = term_tbl_sulen;

                tp->tbl.arg = tp;
 
                tp->tbl.arg = tp;
 

-               tblcalc(&tp->tbl, sp);
-       }
+               tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);

 
 

-       /* Horizontal frame at the start of boxed tables. */
+               /* Tables leak .ta settings to subsequent text. */

 
 

-       if (TBL_SPAN_FIRST & sp->flags) {
-               if (TBL_OPT_DBOX & sp->opts->opts)
-                       tbl_hframe(tp, sp, 1);
-               if (TBL_OPT_DBOX & sp->opts->opts ||
-                   TBL_OPT_BOX  & sp->opts->opts)
-                       tbl_hframe(tp, sp, 0);
-       }
+               term_tab_set(tp, NULL);
+               coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
+                   sp->opts->lvert;
+               for (ic = 0; ic < sp->opts->cols; ic++) {
+                       coloff += tp->tbl.cols[ic].width;
+                       term_tab_iset(coloff);
+                       coloff += tp->tbl.cols[ic].spacing;
+               }

 
 

-       /* Vertical frame at the start of each row. */
+               /* Center the table as a whole. */
+
+               offset = tp->tcol->offset;
+               if (sp->opts->opts & TBL_OPT_CENTRE) {
+                       tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
+                           ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
+                       for (ic = 0; ic + 1 < sp->opts->cols; ic++)
+                               tsz += tp->tbl.cols[ic].width +
+                                   tp->tbl.cols[ic].spacing;
+                       if (sp->opts->cols)
+                               tsz += tp->tbl.cols[sp->opts->cols - 1].width;
+                       if (offset + tsz > tp->tcol->rmargin)
+                               tsz -= 1;
+                       tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
+                           (offset + tp->tcol->rmargin - tsz) / 2 : 0;
+               }

 
 

-       if ((TBL_OPT_BOX | TBL_OPT_DBOX) & sp->opts->opts ||
-           sp->head->vert)
-               term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
-                   TBL_SPAN_DHORIZ == sp->pos ? "+" : "|");
+               /* Horizontal frame at the start of boxed tables. */

 
 

-       /*
-        * Now print the actual data itself depending on the span type.
-        * Spanner spans get a horizontal rule; data spanners have their
-        * data printed by matching data to header.
-        */
+               if (sp->opts->opts & TBL_OPT_DBOX)
+                       tbl_hrule(tp, sp, 3);
+               if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
+                       tbl_hrule(tp, sp, 2);
+       }

 
 

+       /* Set up the columns. */
+
+       tp->flags |= TERMP_MULTICOL;
+       horiz = 0;

        switch (sp->pos) {
        case TBL_SPAN_HORIZ:
        switch (sp->pos) {
        case TBL_SPAN_HORIZ:

-               /* FALLTHROUGH */

        case TBL_SPAN_DHORIZ:
        case TBL_SPAN_DHORIZ:

-               tbl_hrule(tp, sp);
+               horiz = 1;
+               term_setcol(tp, 1);

                break;
        case TBL_SPAN_DATA:
                break;
        case TBL_SPAN_DATA:

-               /* Iterate over template headers. */
-               dp = sp->first;
-               spans = 0;
-               for (hp = sp->head; hp; hp = hp->next) {
+               term_setcol(tp, sp->opts->cols + 2);
+               coloff = tp->tcol->offset;

 
 

-                       /*
-                        * If the current data header is invoked during
-                        * a spanner ("spans" > 0), don't emit anything
-                        * at all.
-                        */
+               /* Set up a column for a left vertical frame. */

 
 

-                       if (--spans >= 0)
+               if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
+                   sp->opts->lvert)
+                       coloff++;
+               tp->tcol->rmargin = coloff;
+
+               /* Set up the data columns. */
+
+               dp = sp->first;
+               spans = 0;
+               for (ic = 0; ic < sp->opts->cols; ic++) {
+                       if (spans == 0) {
+                               tp->tcol++;
+                               tp->tcol->offset = coloff;
+                       }
+                       coloff += tp->tbl.cols[ic].width;
+                       tp->tcol->rmargin = coloff;
+                       if (ic + 1 < sp->opts->cols)
+                               coloff += tp->tbl.cols[ic].spacing;
+                       if (spans) {
+                               spans--;
+                               continue;
+                       }
+                       if (dp == NULL)

                                continue;
                                continue;

+                       spans = dp->spans;
+                       if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
+                               dp = dp->next;
+               }

 
 

-                       /* Separate columns. */
+               /* Set up a column for a right vertical frame. */

 
 

-                       if (NULL != hp->prev)
-                               tbl_vrule(tp, hp);
+               tp->tcol++;
+               tp->tcol->offset = coloff + 1;
+               tp->tcol->rmargin = tp->maxrmargin;

 
 

-                       col = &tp->tbl.cols[hp->ident];
-                       tbl_data(tp, sp->opts, dp, col);
+               /* Spans may have reduced the number of columns. */

 
 

-                       /*
-                        * Go to the next data cell and assign the
-                        * number of subsequent spans, if applicable.
-                        */
+               tp->lasttcol = tp->tcol - tp->tcols;

 
 

-                       if (dp) {
-                               spans = dp->spans;
-                               dp = dp->next;
+               /* Fill the buffers for all data columns. */
+
+               tp->tcol = tp->tcols;
+               cp = cpn = sp->layout->first;
+               dp = sp->first;
+               spans = 0;
+               for (ic = 0; ic < sp->opts->cols; ic++) {
+                       if (cpn != NULL) {
+                               cp = cpn;
+                               cpn = cpn->next;
+                       }
+                       if (spans) {
+                               spans--;
+                               continue;

                        }
                        }

+                       tp->tcol++;
+                       tp->col = 0;
+                       tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
+                       if (dp == NULL)
+                               continue;
+                       spans = dp->spans;
+                       if (cp->pos != TBL_CELL_SPAN)
+                               dp = dp->next;

                }
                break;
        }
 
                }
                break;
        }
 

-       /* Vertical frame at the end of each row. */
+       do {
+               /* Print the vertical frame at the start of each row. */
+
+               tp->tcol = tp->tcols;
+               fc = '\0';
+               if (sp->layout->vert ||
+                   (sp->next != NULL && sp->next->layout->vert &&
+                    sp->next->pos == TBL_SPAN_DATA) ||
+                   (sp->prev != NULL && sp->prev->layout->vert &&
+                    (horiz || (IS_HORIZ(sp->layout->first) &&
+                      !IS_HORIZ(sp->prev->layout->first)))) ||
+                   sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
+                       fc = horiz || IS_HORIZ(sp->layout->first) ? '+' : '|';
+               else if (horiz && sp->opts->lvert)
+                       fc = '-';
+               if (fc != '\0') {
+                       (*tp->advance)(tp, tp->tcols->offset);
+                       (*tp->letter)(tp, fc);
+                       tp->viscol = tp->tcol->offset + 1;
+               }

 
 

-       if ((TBL_OPT_BOX | TBL_OPT_DBOX) & sp->opts->opts ||
-           sp->layout->vert)
-               term_word(tp, TBL_SPAN_HORIZ == sp->pos ||
-                   TBL_SPAN_DHORIZ == sp->pos ? "+" : " |");
-       term_flushln(tp);
+               /* Print the data cells. */
+
+               more = 0;
+               if (horiz) {
+                       tbl_hrule(tp, sp, 0);
+                       term_flushln(tp);
+               } else {
+                       cp = sp->layout->first;
+                       cpn = sp->next == NULL ? NULL :
+                           sp->next->layout->first;
+                       cpp = sp->prev == NULL ? NULL :
+                           sp->prev->layout->first;
+                       dp = sp->first;
+                       spans = 0;
+                       for (ic = 0; ic < sp->opts->cols; ic++) {
+
+                               /*
+                                * Figure out whether to print a
+                                * vertical line after this cell
+                                * and advance to next layout cell.
+                                */
+
+                               if (cp != NULL) {
+                                       vert = cp->vert;
+                                       switch (cp->pos) {
+                                       case TBL_CELL_HORIZ:
+                                               fc = '-';
+                                               break;
+                                       case TBL_CELL_DHORIZ:
+                                               fc = '=';
+                                               break;
+                                       default:
+                                               fc = ' ';
+                                               break;
+                                       }
+                               } else {
+                                       vert = 0;
+                                       fc = ' ';
+                               }
+                               if (cpp != NULL) {
+                                       if (vert == 0 &&
+                                           cp != NULL &&
+                                           ((IS_HORIZ(cp) &&
+                                             !IS_HORIZ(cpp)) ||
+                                            (cp->next != NULL &&
+                                             cpp->next != NULL &&
+                                             IS_HORIZ(cp->next) &&
+                                             !IS_HORIZ(cpp->next))))
+                                               vert = cpp->vert;
+                                       cpp = cpp->next;
+                               }
+                               if (vert == 0 &&
+                                   sp->opts->opts & TBL_OPT_ALLBOX)
+                                       vert = 1;
+                               if (cpn != NULL) {
+                                       if (vert == 0)
+                                               vert = cpn->vert;
+                                       cpn = cpn->next;
+                               }
+                               if (cp != NULL)
+                                       cp = cp->next;
+
+                               /*
+                                * Skip later cells in a span,
+                                * figure out whether to start a span,
+                                * and advance to next data cell.
+                                */
+
+                               if (spans) {
+                                       spans--;
+                                       continue;
+                               }
+                               if (dp != NULL) {
+                                       spans = dp->spans;
+                                       if (ic || sp->layout->first->pos
+                                           != TBL_CELL_SPAN)
+                                               dp = dp->next;
+                               }
+
+                               /*
+                                * Print one line of text in the cell
+                                * and remember whether there is more.
+                                */
+
+                               tp->tcol++;
+                               if (tp->tcol->col < tp->tcol->lastcol)
+                                       term_flushln(tp);
+                               if (tp->tcol->col < tp->tcol->lastcol)
+                                       more = 1;
+
+                               /*
+                                * Vertical frames between data cells,
+                                * but not after the last column.
+                                */
+
+                               if (fc == ' ' && ((vert == 0 &&
+                                    (cp == NULL || !IS_HORIZ(cp))) ||
+                                   tp->tcol + 1 == tp->tcols + tp->lasttcol))
+                                       continue;
+
+                               if (tp->viscol < tp->tcol->rmargin) {
+                                       (*tp->advance)(tp, tp->tcol->rmargin
+                                          - tp->viscol);
+                                       tp->viscol = tp->tcol->rmargin;
+                               }
+                               while (tp->viscol < tp->tcol->rmargin +
+                                   tp->tbl.cols[ic].spacing / 2) {
+                                       (*tp->letter)(tp, fc);
+                                       tp->viscol++;
+                               }
+
+                               if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
+                                       continue;
+
+                               if (fc == ' ' && cp != NULL) {
+                                       switch (cp->pos) {
+                                       case TBL_CELL_HORIZ:
+                                               fc = '-';
+                                               break;
+                                       case TBL_CELL_DHORIZ:
+                                               fc = '=';
+                                               break;
+                                       default:
+                                               break;
+                                       }
+                               }
+                               if (tp->tbl.cols[ic].spacing) {
+                                       (*tp->letter)(tp, fc == ' ' ? '|' :
+                                           vert ? '+' : fc);
+                                       tp->viscol++;
+                               }
+
+                               if (fc != ' ') {
+                                       if (cp != NULL &&
+                                           cp->pos == TBL_CELL_HORIZ)
+                                               fc = '-';
+                                       else if (cp != NULL &&
+                                           cp->pos == TBL_CELL_DHORIZ)
+                                               fc = '=';
+                                       else
+                                               fc = ' ';
+                               }
+                               if (tp->tbl.cols[ic].spacing > 2 &&
+                                   (vert > 1 || fc != ' ')) {
+                                       (*tp->letter)(tp, fc == ' ' ? '|' :
+                                           vert > 1 ? '+' : fc);
+                                       tp->viscol++;
+                               }
+                       }
+               }
+
+               /* Print the vertical frame at the end of each row. */
+
+               fc = '\0';
+               if ((sp->layout->last->vert &&
+                    sp->layout->last->col + 1 == sp->opts->cols) ||
+                   (sp->next != NULL &&
+                    sp->next->layout->last->vert &&
+                    sp->next->layout->last->col + 1 == sp->opts->cols) ||
+                   (sp->prev != NULL &&
+                    sp->prev->layout->last->vert &&
+                    sp->prev->layout->last->col + 1 == sp->opts->cols &&
+                    (horiz || (IS_HORIZ(sp->layout->last) &&
+                     !IS_HORIZ(sp->prev->layout->last)))) ||
+                   (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
+                       fc = horiz || IS_HORIZ(sp->layout->last) ? '+' : '|';
+               else if (horiz && sp->opts->rvert)
+                       fc = '-';
+               if (fc != '\0') {
+                       if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
+                           sp->layout->last->col + 1 < sp->opts->cols)) {
+                               tp->tcol++;
+                               (*tp->advance)(tp,
+                                   tp->tcol->offset > tp->viscol ?
+                                   tp->tcol->offset - tp->viscol : 1);
+                       }
+                       (*tp->letter)(tp, fc);
+               }
+               (*tp->endline)(tp);
+               tp->viscol = 0;
+       } while (more);

 
        /*
 
        /*

-        * If we're the last row, clean up after ourselves: clear the
-        * existing table configuration and set it to NULL.
+        * Clean up after this row.  If it is the last line
+        * of the table, print the box line and clean up
+        * column data; otherwise, print the allbox line.

         */
 
         */
 

-       if (TBL_SPAN_LAST & sp->flags) {
-               if (TBL_OPT_DBOX & sp->opts->opts ||
-                   TBL_OPT_BOX  & sp->opts->opts) {
-                       tbl_hframe(tp, sp, 0);
+       term_setcol(tp, 1);
+       tp->flags &= ~TERMP_MULTICOL;
+       tp->tcol->rmargin = tp->maxrmargin;
+       if (sp->next == NULL) {
+               if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
+                       tbl_hrule(tp, sp, 2);

                        tp->skipvsp = 1;
                }
                        tp->skipvsp = 1;
                }

-               if (TBL_OPT_DBOX & sp->opts->opts) {
-                       tbl_hframe(tp, sp, 1);
+               if (sp->opts->opts & TBL_OPT_DBOX) {
+                       tbl_hrule(tp, sp, 3);

                        tp->skipvsp = 2;
                }
                assert(tp->tbl.cols);
                free(tp->tbl.cols);
                tp->tbl.cols = NULL;
                        tp->skipvsp = 2;
                }
                assert(tp->tbl.cols);
                free(tp->tbl.cols);
                tp->tbl.cols = NULL;

-       }
+               tp->tcol->offset = offset;
+       } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
+           (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
+            sp->next->next != NULL))
+               tbl_hrule(tp, sp, 1);

 
        tp->flags &= ~TERMP_NONOSPACE;
 
        tp->flags &= ~TERMP_NONOSPACE;

-       tp->rmargin = rmargin;
-       tp->maxrmargin = maxrmargin;
-
-}
-
-/*
- * Horizontal rules extend across the entire table.
- * Calculate the width by iterating over columns.
- */
-static size_t
-tbl_rulewidth(struct termp *tp, const struct tbl_head *hp)
-{
-       size_t           width;
-
-       width = tp->tbl.cols[hp->ident].width;
-
-       /* Account for leading blanks. */
-       if (hp->prev)
-               width += 2 - hp->vert;
-
-       /* Account for trailing blank. */
-       width++;
-
-       return(width);

 }
 
 /*
 }
 
 /*

- * Rules inside the table can be single or double
- * and have crossings with vertical rules marked with pluses.
+ * Kinds of horizontal rulers:
+ * 0: inside the table (single or double line with crossings)
+ * 1: inside the table (single or double line with crossings and ends)
+ * 2: inner frame (single line with crossings and ends)
+ * 3: outer frame (single line without crossings with ends)

  */
 static void
  */
 static void

-tbl_hrule(struct termp *tp, const struct tbl_span *sp)
+tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)

 {
 {

-       const struct tbl_head *hp;
-       char             c;
-
-       c = '-';
-       if (TBL_SPAN_DHORIZ == sp->pos)
-               c = '=';
-
-       for (hp = sp->head; hp; hp = hp->next) {
-               if (hp->prev && hp->vert)
-                       tbl_char(tp, '+', hp->vert);
-               tbl_char(tp, c, tbl_rulewidth(tp, hp));
+       const struct tbl_cell *cp, *cpn, *cpp;
+       const struct roffcol *col;
+       int      vert;
+       char     line, cross;
+
+       line = (kind < 2 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
+       cross = (kind < 3) ? '+' : '-';
+
+       if (kind)
+               term_word(tp, "+");
+       cp = sp->layout->first;
+       cpp = kind || sp->prev == NULL ? NULL : sp->prev->layout->first;
+       if (cpp == cp)
+               cpp = NULL;
+       cpn = kind > 1 || sp->next == NULL ? NULL : sp->next->layout->first;
+       if (cpn == cp)
+               cpn = NULL;
+       for (;;) {
+               col = tp->tbl.cols + cp->col;
+               tbl_char(tp, line, col->width + col->spacing / 2);
+               vert = cp->vert;
+               if ((cp = cp->next) == NULL)
+                        break;
+               if (cpp != NULL) {
+                       if (vert < cpp->vert)
+                               vert = cpp->vert;
+                       cpp = cpp->next;
+               }
+               if (cpn != NULL) {
+                       if (vert < cpn->vert)
+                               vert = cpn->vert;
+                       cpn = cpn->next;
+               }
+               if (sp->opts->opts & TBL_OPT_ALLBOX && !vert)
+                       vert = 1;
+               if (col->spacing)
+                       tbl_char(tp, vert ? cross : line, 1);
+               if (col->spacing > 2)
+                       tbl_char(tp, vert > 1 ? cross : line, 1);
+               if (col->spacing > 4)
+                       tbl_char(tp, line, (col->spacing - 3) / 2);

        }
        }

-}
-
-/*
- * Rules above and below the table are always single
- * and have an additional plus at the beginning and end.
- * For double frames, this function is called twice,
- * and the outer one does not have crossings.
- */
-static void
-tbl_hframe(struct termp *tp, const struct tbl_span *sp, int outer)
-{
-       const struct tbl_head *hp;
-
-       term_word(tp, "+");
-       for (hp = sp->head; hp; hp = hp->next) {
-               if (hp->prev && hp->vert)
-                       tbl_char(tp, (outer ? '-' : '+'), hp->vert);
-               tbl_char(tp, '-', tbl_rulewidth(tp, hp));
+       if (kind) {
+               term_word(tp, "+");
+               term_flushln(tp);

        }
        }

-       term_word(tp, "+");
-       term_flushln(tp);

 }
 
 static void
 tbl_data(struct termp *tp, const struct tbl_opts *opts,
 }
 
 static void
 tbl_data(struct termp *tp, const struct tbl_opts *opts,

-       const struct tbl_dat *dp,
-       const struct roffcol *col)
+    const struct tbl_cell *cp, const struct tbl_dat *dp,
+    const struct roffcol *col)

 {
 {

-
-       if (NULL == dp) {
-               tbl_char(tp, ASCII_NBRSP, col->width);
+       switch (cp->pos) {
+       case TBL_CELL_HORIZ:
+               tbl_char(tp, '-', col->width);

                return;
                return;

+       case TBL_CELL_DHORIZ:
+               tbl_char(tp, '=', col->width);
+               return;
+       default:
+               break;

        }
        }

-       assert(dp->layout);
+
+       if (dp == NULL)
+               return;

 
        switch (dp->pos) {
        case TBL_DATA_NONE:
 
        switch (dp->pos) {
        case TBL_DATA_NONE:

-               tbl_char(tp, ASCII_NBRSP, col->width);

                return;
        case TBL_DATA_HORIZ:
                return;
        case TBL_DATA_HORIZ:

-               /* FALLTHROUGH */

        case TBL_DATA_NHORIZ:
                tbl_char(tp, '-', col->width);
                return;
        case TBL_DATA_NDHORIZ:
        case TBL_DATA_NHORIZ:
                tbl_char(tp, '-', col->width);
                return;
        case TBL_DATA_NDHORIZ:

-               /* FALLTHROUGH */

        case TBL_DATA_DHORIZ:
                tbl_char(tp, '=', col->width);
                return;
        case TBL_DATA_DHORIZ:
                tbl_char(tp, '=', col->width);
                return;


@@ -286,19 +536,10 @@ tbl_data(struct termp *tp, const struct tbl_opts *opts,
                break;
        }
 
                break;
        }
 

-       switch (dp->layout->pos) {
-       case TBL_CELL_HORIZ:
-               tbl_char(tp, '-', col->width);
-               break;
-       case TBL_CELL_DHORIZ:
-               tbl_char(tp, '=', col->width);
-               break;
+       switch (cp->pos) {

        case TBL_CELL_LONG:
        case TBL_CELL_LONG:

-               /* FALLTHROUGH */

        case TBL_CELL_CENTRE:
        case TBL_CELL_CENTRE:

-               /* FALLTHROUGH */

        case TBL_CELL_LEFT:
        case TBL_CELL_LEFT:

-               /* FALLTHROUGH */

        case TBL_CELL_RIGHT:
                tbl_literal(tp, dp, col);
                break;
        case TBL_CELL_RIGHT:
                tbl_literal(tp, dp, col);
                break;


@@ -306,25 +547,13 @@ tbl_data(struct termp *tp, const struct tbl_opts *opts,
                tbl_number(tp, opts, dp, col);
                break;
        case TBL_CELL_DOWN:
                tbl_number(tp, opts, dp, col);
                break;
        case TBL_CELL_DOWN:

-               tbl_char(tp, ASCII_NBRSP, col->width);
+       case TBL_CELL_SPAN:

                break;
        default:
                abort();
                break;
        default:
                abort();

-               /* NOTREACHED */

        }
 }
 
        }
 }
 

-static void
-tbl_vrule(struct termp *tp, const struct tbl_head *hp)
-{
-
-       tbl_char(tp, ASCII_NBRSP, 1);
-       if (0 < hp->vert)
-               tbl_char(tp, '|', hp->vert);
-       if (2 > hp->vert)
-               tbl_char(tp, ASCII_NBRSP, 2 - hp->vert);
-}
-

 static void
 tbl_char(struct termp *tp, char c, size_t len)
 {
 static void
 tbl_char(struct termp *tp, char c, size_t len)
 {


@@ -344,17 +573,16 @@ static void
 tbl_literal(struct termp *tp, const struct tbl_dat *dp,
                const struct roffcol *col)
 {
 tbl_literal(struct termp *tp, const struct tbl_dat *dp,
                const struct roffcol *col)
 {

-       struct tbl_head         *hp;
-       size_t                   width, len, padl, padr;
-       int                      spans;
+       size_t           len, padl, padr, width;
+       int              ic, spans;

 
        assert(dp->string);
        len = term_strlen(tp, dp->string);
 
        assert(dp->string);
        len = term_strlen(tp, dp->string);

-
-       hp = dp->layout->head->next;

        width = col->width;
        width = col->width;

-       for (spans = dp->spans; spans--; hp = hp->next)
-               width += tp->tbl.cols[hp->ident].width + 3;
+       ic = dp->layout->col;
+       spans = dp->spans;
+       while (spans--)
+               width += tp->tbl.cols[++ic].width + 3;

 
        padr = width > len ? width - len : 0;
        padl = 0;
 
        padr = width > len ? width - len : 0;
        padl = 0;


@@ -407,8 +635,7 @@ tbl_number(struct termp *tp, const struct tbl_opts *opts,
 
        psz = term_strlen(tp, buf);
 
 
        psz = term_strlen(tp, buf);
 

-       if (NULL != (cp = strrchr(dp->string, opts->decimal))) {
-               buf[1] = '\0';
+       if ((cp = strrchr(dp->string, opts->decimal)) != NULL) {

                for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
                        buf[0] = dp->string[i];
                        ssz += term_strlen(tp, buf);
                for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
                        buf[0] = dp->string[i];
                        ssz += term_strlen(tp, buf);


@@ -417,9 +644,13 @@ tbl_number(struct termp *tp, const struct tbl_opts *opts,
        } else
                d = sz + psz;
 
        } else
                d = sz + psz;
 

-       padl = col->decimal - d;
-
-       tbl_char(tp, ASCII_NBRSP, padl);
+       if (col->decimal > d && col->width > sz) {
+               padl = col->decimal - d;
+               if (padl + sz > col->width)
+                       padl = col->width - sz;
+               tbl_char(tp, ASCII_NBRSP, padl);
+       } else
+               padl = 0;

        tbl_word(tp, dp);
        if (col->width > sz + padl)
                tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
        tbl_word(tp, dp);
        if (col->width > sz + padl)
                tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);


@@ -428,9 +659,9 @@ tbl_number(struct termp *tp, const struct tbl_opts *opts,
 static void
 tbl_word(struct termp *tp, const struct tbl_dat *dp)
 {
 static void
 tbl_word(struct termp *tp, const struct tbl_dat *dp)
 {

-       const void      *prev_font;
+       int              prev_font;

 
 

-       prev_font = term_fontq(tp);
+       prev_font = tp->fonti;

        if (dp->layout->flags & TBL_CELL_BOLD)
                term_fontpush(tp, TERMFONT_BOLD);
        else if (dp->layout->flags & TBL_CELL_ITALIC)
        if (dp->layout->flags & TBL_CELL_BOLD)
                term_fontpush(tp, TERMFONT_BOLD);
        else if (dp->layout->flags & TBL_CELL_ITALIC)