tbl_term.c

   1 /*      $Id: tbl_term.c,v 1.54 2017/06/17 14:55:30 schwarze Exp $ */
   2 /*
   3  * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
   4  * Copyright (c) 2011,2012,2014,2015,2017 Ingo Schwarze <schwarze@openbsd.org>
   5  *
   6  * Permission to use, copy, modify, and distribute this software for any
   7  * purpose with or without fee is hereby granted, provided that the above
   8  * copyright notice and this permission notice appear in all copies.
   9  *
  10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  17  */
  18 #include "config.h"
  19
  20 #include <sys/types.h>
  21
  22 #include <assert.h>
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25 #include <string.h>
  26
  27 #include "mandoc.h"
  28 #include "out.h"
  29 #include "term.h"
  30
  31 #define IS_HORIZ(cp)    ((cp)->pos == TBL_CELL_HORIZ || \
  32                          (cp)->pos == TBL_CELL_DHORIZ)
  33
  34 static  size_t  term_tbl_len(size_t, void *);
  35 static  size_t  term_tbl_strlen(const char *, void *);
  36 static  size_t  term_tbl_sulen(const struct roffsu *, void *);
  37 static  void    tbl_char(struct termp *, char, size_t);
  38 static  void    tbl_data(struct termp *, const struct tbl_opts *,
  39                         const struct tbl_cell *,
  40                         const struct tbl_dat *,
  41                         const struct roffcol *);
  42 static  void    tbl_literal(struct termp *, const struct tbl_dat *,
  43                         const struct roffcol *);
  44 static  void    tbl_number(struct termp *, const struct tbl_opts *,
  45                         const struct tbl_dat *,
  46                         const struct roffcol *);
  47 static  void    tbl_hrule(struct termp *, const struct tbl_span *, int);
  48 static  void    tbl_word(struct termp *, const struct tbl_dat *);
  49
  50
  51 static size_t
  52 term_tbl_sulen(const struct roffsu *su, void *arg)
  53 {
  54         return term_hen((const struct termp *)arg, su);
  55 }
  56
  57 static size_t
  58 term_tbl_strlen(const char *p, void *arg)
  59 {
  60         return term_strlen((const struct termp *)arg, p);
  61 }
  62
  63 static size_t
  64 term_tbl_len(size_t sz, void *arg)
  65 {
  66         return term_len((const struct termp *)arg, sz);
  67 }
  68
  69 void
  70 term_tbl(struct termp *tp, const struct tbl_span *sp)
  71 {
  72         const struct tbl_cell   *cp, *cpn, *cpp;
  73         const struct tbl_dat    *dp;
  74         static size_t            offset;
  75         size_t                   coloff, tsz;
  76         int                      ic, horiz, spans, vert, more;
  77         char                     fc;
  78
  79         /* Inhibit printing of spaces: we do padding ourselves. */
  80
  81         tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
  82
  83         /*
  84          * The first time we're invoked for a given table block,
  85          * calculate the table widths and decimal positions.
  86          */
  87
  88         if (tp->tbl.cols == NULL) {
  89                 tp->tbl.len = term_tbl_len;
  90                 tp->tbl.slen = term_tbl_strlen;
  91                 tp->tbl.sulen = term_tbl_sulen;
  92                 tp->tbl.arg = tp;
  93
  94                 tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
  95
  96                 /* Tables leak .ta settings to subsequent text. */
  97
  98                 term_tab_set(tp, NULL);
  99                 coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
 100                     sp->opts->lvert;
 101                 for (ic = 0; ic < sp->opts->cols; ic++) {
 102                         coloff += tp->tbl.cols[ic].width;
 103                         term_tab_iset(coloff);
 104                         coloff += 3;
 105                 }
 106
 107                 /* Center the table as a whole. */
 108
 109                 offset = tp->tcol->offset;
 110                 if (sp->opts->opts & TBL_OPT_CENTRE) {
 111                         tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
 112                             ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
 113                         for (ic = 0; ic < sp->opts->cols; ic++)
 114                                 tsz += tp->tbl.cols[ic].width + 3;
 115                         tsz -= 3;
 116                         if (offset + tsz > tp->tcol->rmargin)
 117                                 tsz -= 1;
 118                         tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
 119                             (offset + tp->tcol->rmargin - tsz) / 2 : 0;
 120                 }
 121
 122                 /* Horizontal frame at the start of boxed tables. */
 123
 124                 if (sp->opts->opts & TBL_OPT_DBOX)
 125                         tbl_hrule(tp, sp, 3);
 126                 if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
 127                         tbl_hrule(tp, sp, 2);
 128         }
 129
 130         /* Set up the columns. */
 131
 132         tp->flags |= TERMP_MULTICOL;
 133         horiz = 0;
 134         switch (sp->pos) {
 135         case TBL_SPAN_HORIZ:
 136         case TBL_SPAN_DHORIZ:
 137                 horiz = 1;
 138                 term_setcol(tp, 1);
 139                 break;
 140         case TBL_SPAN_DATA:
 141                 term_setcol(tp, sp->opts->cols + 2);
 142                 coloff = tp->tcol->offset;
 143
 144                 /* Set up a column for a left vertical frame. */
 145
 146                 if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
 147                     sp->opts->lvert)
 148                         coloff++;
 149                 tp->tcol->rmargin = coloff;
 150
 151                 /* Set up the data columns. */
 152
 153                 dp = sp->first;
 154                 spans = 0;
 155                 for (ic = 0; ic < sp->opts->cols; ic++) {
 156                         if (spans == 0) {
 157                                 tp->tcol++;
 158                                 tp->tcol->offset = coloff;
 159                         }
 160                         coloff += tp->tbl.cols[ic].width;
 161                         tp->tcol->rmargin = coloff;
 162                         coloff++;
 163                         if (ic + 1 < sp->opts->cols)
 164                                 coloff += 2;
 165                         if (spans) {
 166                                 spans--;
 167                                 continue;
 168                         }
 169                         if (dp == NULL)
 170                                 continue;
 171                         spans = dp->spans;
 172                         dp = dp->next;
 173                 }
 174
 175                 /* Set up a column for a right vertical frame. */
 176
 177                 tp->tcol++;
 178                 tp->tcol->offset = coloff;
 179                 tp->tcol->rmargin = tp->maxrmargin;
 180
 181                 /* Spans may have reduced the number of columns. */
 182
 183                 tp->lasttcol = tp->tcol - tp->tcols;
 184
 185                 /* Fill the buffers for all data columns. */
 186
 187                 tp->tcol = tp->tcols;
 188                 cp = cpn = sp->layout->first;
 189                 dp = sp->first;
 190                 spans = 0;
 191                 for (ic = 0; ic < sp->opts->cols; ic++) {
 192                         if (cpn != NULL) {
 193                                 cp = cpn;
 194                                 cpn = cpn->next;
 195                         }
 196                         if (spans) {
 197                                 spans--;
 198                                 continue;
 199                         }
 200                         tp->tcol++;
 201                         tp->col = 0;
 202                         tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
 203                         if (dp == NULL)
 204                                 continue;
 205                         spans = dp->spans;
 206                         dp = dp->next;
 207                 }
 208                 break;
 209         }
 210
 211         do {
 212                 /* Print the vertical frame at the start of each row. */
 213
 214                 tp->tcol = tp->tcols;
 215                 fc = '\0';
 216                 if (sp->layout->vert ||
 217                     (sp->next != NULL && sp->next->layout->vert &&
 218                      sp->next->pos == TBL_SPAN_DATA) ||
 219                     (sp->prev != NULL && sp->prev->layout->vert &&
 220                      (horiz || (IS_HORIZ(sp->layout->first) &&
 221                        !IS_HORIZ(sp->prev->layout->first)))) ||
 222                     sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
 223                         fc = horiz || IS_HORIZ(sp->layout->first) ? '+' : '|';
 224                 else if (horiz && sp->opts->lvert)
 225                         fc = '-';
 226                 if (fc != '\0') {
 227                         (*tp->advance)(tp, tp->tcols->offset);
 228                         (*tp->letter)(tp, fc);
 229                         tp->viscol = tp->tcol->offset + 1;
 230                 }
 231
 232                 /* Print the data cells. */
 233
 234                 more = 0;
 235                 if (horiz) {
 236                         tbl_hrule(tp, sp, 0);
 237                         term_flushln(tp);
 238                 } else {
 239                         cp = sp->layout->first;
 240                         cpn = sp->next == NULL ? NULL :
 241                             sp->next->layout->first;
 242                         cpp = sp->prev == NULL ? NULL :
 243                             sp->prev->layout->first;
 244                         dp = sp->first;
 245                         spans = 0;
 246                         for (ic = 0; ic < sp->opts->cols; ic++) {
 247
 248                                 /*
 249                                  * Figure out whether to print a
 250                                  * vertical line after this cell
 251                                  * and advance to next layout cell.
 252                                  */
 253
 254                                 if (cp != NULL) {
 255                                         vert = cp->vert;
 256                                         switch (cp->pos) {
 257                                         case TBL_CELL_HORIZ:
 258                                                 fc = '-';
 259                                                 break;
 260                                         case TBL_CELL_DHORIZ:
 261                                                 fc = '=';
 262                                                 break;
 263                                         default:
 264                                                 fc = ' ';
 265                                                 break;
 266                                         }
 267                                 } else {
 268                                         vert = 0;
 269                                         fc = ' ';
 270                                 }
 271                                 if (cpp != NULL) {
 272                                         if (vert == 0 &&
 273                                             cp != NULL &&
 274                                             ((IS_HORIZ(cp) &&
 275                                               !IS_HORIZ(cpp)) ||
 276                                              (cp->next != NULL &&
 277                                               cpp->next != NULL &&
 278                                               IS_HORIZ(cp->next) &&
 279                                               !IS_HORIZ(cpp->next))))
 280                                                 vert = cpp->vert;
 281                                         cpp = cpp->next;
 282                                 }
 283                                 if (vert == 0 &&
 284                                     sp->opts->opts & TBL_OPT_ALLBOX)
 285                                         vert = 1;
 286                                 if (cpn != NULL) {
 287                                         if (vert == 0)
 288                                                 vert = cpn->vert;
 289                                         cpn = cpn->next;
 290                                 }
 291                                 if (cp != NULL)
 292                                         cp = cp->next;
 293
 294                                 /*
 295                                  * Skip later cells in a span,
 296                                  * figure out whether to start a span,
 297                                  * and advance to next data cell.
 298                                  */
 299
 300                                 if (spans) {
 301                                         spans--;
 302                                         continue;
 303                                 }
 304                                 if (dp != NULL) {
 305                                         spans = dp->spans;
 306                                         dp = dp->next;
 307                                 }
 308
 309                                 /*
 310                                  * Print one line of text in the cell
 311                                  * and remember whether there is more.
 312                                  */
 313
 314                                 tp->tcol++;
 315                                 if (tp->tcol->col < tp->tcol->lastcol)
 316                                         term_flushln(tp);
 317                                 if (tp->tcol->col < tp->tcol->lastcol)
 318                                         more = 1;
 319
 320                                 /*
 321                                  * Vertical frames between data cells,
 322                                  * but not after the last column.
 323                                  */
 324
 325                                 if (fc == ' ' && ((vert == 0 &&
 326                                      (cp == NULL || !IS_HORIZ(cp))) ||
 327                                     tp->tcol + 1 == tp->tcols + tp->lasttcol))
 328                                         continue;
 329
 330                                 if (tp->tcol->rmargin > tp->viscol) {
 331                                         (*tp->advance)(tp, tp->tcol->rmargin
 332                                            - tp->viscol);
 333                                         tp->viscol = tp->tcol->rmargin;
 334                                 }
 335
 336                                 if (tp->tcol->rmargin + 1 > tp->viscol) {
 337                                         (*tp->letter)(tp, fc);
 338                                         tp->viscol++;
 339                                 }
 340
 341                                 if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
 342                                         continue;
 343
 344                                 if (fc == ' ' && cp != NULL) {
 345                                         switch (cp->pos) {
 346                                         case TBL_CELL_HORIZ:
 347                                                 fc = '-';
 348                                                 break;
 349                                         case TBL_CELL_DHORIZ:
 350                                                 fc = '=';
 351                                                 break;
 352                                         default:
 353                                                 break;
 354                                         }
 355                                 }
 356
 357                                 (*tp->letter)(tp,
 358                                     fc == ' ' ? '|' : vert ? '+' : fc);
 359                                 tp->viscol++;
 360
 361                                 if (fc != ' ') {
 362                                         if (cp != NULL &&
 363                                             cp->pos == TBL_CELL_HORIZ)
 364                                                 fc = '-';
 365                                         else if (cp != NULL &&
 366                                             cp->pos == TBL_CELL_DHORIZ)
 367                                                 fc = '=';
 368                                         else
 369                                                 fc = ' ';
 370                                 }
 371                                 if (vert > 1 || fc != ' ') {
 372                                         (*tp->letter)(tp, fc == ' ' ? '|' :
 373                                             vert > 1 ? '+' : fc);
 374                                         tp->viscol++;
 375                                 }
 376                         }
 377                 }
 378
 379                 /* Print the vertical frame at the end of each row. */
 380
 381                 fc = '\0';
 382                 if ((sp->layout->last->vert &&
 383                      sp->layout->last->col + 1 == sp->opts->cols) ||
 384                     (sp->next != NULL &&
 385                      sp->next->layout->last->vert &&
 386                      sp->next->layout->last->col + 1 == sp->opts->cols) ||
 387                     (sp->prev != NULL &&
 388                      sp->prev->layout->last->vert &&
 389                      sp->prev->layout->last->col + 1 == sp->opts->cols &&
 390                      (horiz || (IS_HORIZ(sp->layout->last) &&
 391                       !IS_HORIZ(sp->prev->layout->last)))) ||
 392                     (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
 393                         fc = horiz || IS_HORIZ(sp->layout->last) ? '+' : '|';
 394                 else if (horiz && sp->opts->rvert)
 395                         fc = '-';
 396                 if (fc != '\0') {
 397                         if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
 398                             sp->layout->last->col + 1 < sp->opts->cols)) {
 399                                 tp->tcol++;
 400                                 (*tp->advance)(tp,
 401                                     tp->tcol->offset > tp->viscol ?
 402                                     tp->tcol->offset - tp->viscol : 1);
 403                         }
 404                         (*tp->letter)(tp, fc);
 405                 }
 406                 (*tp->endline)(tp);
 407                 tp->viscol = 0;
 408         } while (more);
 409
 410         /*
 411          * Clean up after this row.  If it is the last line
 412          * of the table, print the box line and clean up
 413          * column data; otherwise, print the allbox line.
 414          */
 415
 416         term_setcol(tp, 1);
 417         tp->flags &= ~TERMP_MULTICOL;
 418         tp->tcol->rmargin = tp->maxrmargin;
 419         if (sp->next == NULL) {
 420                 if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
 421                         tbl_hrule(tp, sp, 2);
 422                         tp->skipvsp = 1;
 423                 }
 424                 if (sp->opts->opts & TBL_OPT_DBOX) {
 425                         tbl_hrule(tp, sp, 3);
 426                         tp->skipvsp = 2;
 427                 }
 428                 assert(tp->tbl.cols);
 429                 free(tp->tbl.cols);
 430                 tp->tbl.cols = NULL;
 431                 tp->tcol->offset = offset;
 432         } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
 433             (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
 434              sp->next->next != NULL))
 435                 tbl_hrule(tp, sp, 1);
 436
 437         tp->flags &= ~TERMP_NONOSPACE;
 438 }
 439
 440 /*
 441  * Kinds of horizontal rulers:
 442  * 0: inside the table (single or double line with crossings)
 443  * 1: inside the table (single or double line with crossings and ends)
 444  * 2: inner frame (single line with crossings and ends)
 445  * 3: outer frame (single line without crossings with ends)
 446  */
 447 static void
 448 tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
 449 {
 450         const struct tbl_cell *cp, *cpn, *cpp;
 451         int      vert;
 452         char     line, cross;
 453
 454         line = (kind < 2 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
 455         cross = (kind < 3) ? '+' : '-';
 456
 457         if (kind)
 458                 term_word(tp, "+");
 459         cp = sp->layout->first;
 460         cpp = kind || sp->prev == NULL ? NULL : sp->prev->layout->first;
 461         if (cpp == cp)
 462                 cpp = NULL;
 463         cpn = kind > 1 || sp->next == NULL ? NULL : sp->next->layout->first;
 464         if (cpn == cp)
 465                 cpn = NULL;
 466         for (;;) {
 467                 tbl_char(tp, line, tp->tbl.cols[cp->col].width + 1);
 468                 vert = cp->vert;
 469                 if ((cp = cp->next) == NULL)
 470                          break;
 471                 if (cpp != NULL) {
 472                         if (vert < cpp->vert)
 473                                 vert = cpp->vert;
 474                         cpp = cpp->next;
 475                 }
 476                 if (cpn != NULL) {
 477                         if (vert < cpn->vert)
 478                                 vert = cpn->vert;
 479                         cpn = cpn->next;
 480                 }
 481                 if (sp->opts->opts & TBL_OPT_ALLBOX && !vert)
 482                         vert = 1;
 483                 if (vert)
 484                         tbl_char(tp, cross, vert);
 485                 if (vert < 2)
 486                         tbl_char(tp, line, 2 - vert);
 487         }
 488         if (kind) {
 489                 term_word(tp, "+");
 490                 term_flushln(tp);
 491         }
 492 }
 493
 494 static void
 495 tbl_data(struct termp *tp, const struct tbl_opts *opts,
 496     const struct tbl_cell *cp, const struct tbl_dat *dp,
 497     const struct roffcol *col)
 498 {
 499         switch (cp->pos) {
 500         case TBL_CELL_HORIZ:
 501                 tbl_char(tp, '-', col->width);
 502                 return;
 503         case TBL_CELL_DHORIZ:
 504                 tbl_char(tp, '=', col->width);
 505                 return;
 506         default:
 507                 break;
 508         }
 509
 510         if (dp == NULL) {
 511                 tbl_char(tp, ASCII_NBRSP, col->width);
 512                 return;
 513         }
 514
 515         switch (dp->pos) {
 516         case TBL_DATA_NONE:
 517                 tbl_char(tp, ASCII_NBRSP, col->width);
 518                 return;
 519         case TBL_DATA_HORIZ:
 520         case TBL_DATA_NHORIZ:
 521                 tbl_char(tp, '-', col->width);
 522                 return;
 523         case TBL_DATA_NDHORIZ:
 524         case TBL_DATA_DHORIZ:
 525                 tbl_char(tp, '=', col->width);
 526                 return;
 527         default:
 528                 break;
 529         }
 530
 531         switch (cp->pos) {
 532         case TBL_CELL_LONG:
 533         case TBL_CELL_CENTRE:
 534         case TBL_CELL_LEFT:
 535         case TBL_CELL_RIGHT:
 536                 tbl_literal(tp, dp, col);
 537                 break;
 538         case TBL_CELL_NUMBER:
 539                 tbl_number(tp, opts, dp, col);
 540                 break;
 541         case TBL_CELL_DOWN:
 542                 tbl_char(tp, ASCII_NBRSP, col->width);
 543                 break;
 544         default:
 545                 abort();
 546         }
 547 }
 548
 549 static void
 550 tbl_char(struct termp *tp, char c, size_t len)
 551 {
 552         size_t          i, sz;
 553         char            cp[2];
 554
 555         cp[0] = c;
 556         cp[1] = '\0';
 557
 558         sz = term_strlen(tp, cp);
 559
 560         for (i = 0; i < len; i += sz)
 561                 term_word(tp, cp);
 562 }
 563
 564 static void
 565 tbl_literal(struct termp *tp, const struct tbl_dat *dp,
 566                 const struct roffcol *col)
 567 {
 568         size_t           len, padl, padr, width;
 569         int              ic, spans;
 570
 571         assert(dp->string);
 572         len = term_strlen(tp, dp->string);
 573         width = col->width;
 574         ic = dp->layout->col;
 575         spans = dp->spans;
 576         while (spans--)
 577                 width += tp->tbl.cols[++ic].width + 3;
 578
 579         padr = width > len ? width - len : 0;
 580         padl = 0;
 581
 582         switch (dp->layout->pos) {
 583         case TBL_CELL_LONG:
 584                 padl = term_len(tp, 1);
 585                 padr = padr > padl ? padr - padl : 0;
 586                 break;
 587         case TBL_CELL_CENTRE:
 588                 if (2 > padr)
 589                         break;
 590                 padl = padr / 2;
 591                 padr -= padl;
 592                 break;
 593         case TBL_CELL_RIGHT:
 594                 padl = padr;
 595                 padr = 0;
 596                 break;
 597         default:
 598                 break;
 599         }
 600
 601         tbl_char(tp, ASCII_NBRSP, padl);
 602         tbl_word(tp, dp);
 603         tbl_char(tp, ASCII_NBRSP, padr);
 604 }
 605
 606 static void
 607 tbl_number(struct termp *tp, const struct tbl_opts *opts,
 608                 const struct tbl_dat *dp,
 609                 const struct roffcol *col)
 610 {
 611         char            *cp;
 612         char             buf[2];
 613         size_t           sz, psz, ssz, d, padl;
 614         int              i;
 615
 616         /*
 617          * See calc_data_number().  Left-pad by taking the offset of our
 618          * and the maximum decimal; right-pad by the remaining amount.
 619          */
 620
 621         assert(dp->string);
 622
 623         sz = term_strlen(tp, dp->string);
 624
 625         buf[0] = opts->decimal;
 626         buf[1] = '\0';
 627
 628         psz = term_strlen(tp, buf);
 629
 630         if ((cp = strrchr(dp->string, opts->decimal)) != NULL) {
 631                 for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
 632                         buf[0] = dp->string[i];
 633                         ssz += term_strlen(tp, buf);
 634                 }
 635                 d = ssz + psz;
 636         } else
 637                 d = sz + psz;
 638
 639         if (col->decimal > d && col->width > sz) {
 640                 padl = col->decimal - d;
 641                 if (padl + sz > col->width)
 642                         padl = col->width - sz;
 643                 tbl_char(tp, ASCII_NBRSP, padl);
 644         } else
 645                 padl = 0;
 646         tbl_word(tp, dp);
 647         if (col->width > sz + padl)
 648                 tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
 649 }
 650
 651 static void
 652 tbl_word(struct termp *tp, const struct tbl_dat *dp)
 653 {
 654         int              prev_font;
 655
 656         prev_font = tp->fonti;
 657         if (dp->layout->flags & TBL_CELL_BOLD)
 658                 term_fontpush(tp, TERMFONT_BOLD);
 659         else if (dp->layout->flags & TBL_CELL_ITALIC)
 660                 term_fontpush(tp, TERMFONT_UNDER);
 661
 662         term_word(tp, dp->string);
 663
 664         term_fontpopq(tp, prev_font);
 665 }