bin/mandoc/tbl_term.c

   1 /*      $Id: tbl_term.c,v 1.57 2017/07/31 16:14:10 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         int      i;
  55
  56         i = term_hen((const struct termp *)arg, su);
  57         return i > 0 ? i : 0;
  58 }
  59
  60 static size_t
  61 term_tbl_strlen(const char *p, void *arg)
  62 {
  63         return term_strlen((const struct termp *)arg, p);
  64 }
  65
  66 static size_t
  67 term_tbl_len(size_t sz, void *arg)
  68 {
  69         return term_len((const struct termp *)arg, sz);
  70 }
  71
  72 void
  73 term_tbl(struct termp *tp, const struct tbl_span *sp)
  74 {
  75         const struct tbl_cell   *cp, *cpn, *cpp;
  76         const struct tbl_dat    *dp;
  77         static size_t            offset;
  78         size_t                   coloff, tsz;
  79         int                      ic, horiz, spans, vert, more;
  80         char                     fc;
  81
  82         /* Inhibit printing of spaces: we do padding ourselves. */
  83
  84         tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
  85
  86         /*
  87          * The first time we're invoked for a given table block,
  88          * calculate the table widths and decimal positions.
  89          */
  90
  91         if (tp->tbl.cols == NULL) {
  92                 tp->tbl.len = term_tbl_len;
  93                 tp->tbl.slen = term_tbl_strlen;
  94                 tp->tbl.sulen = term_tbl_sulen;
  95                 tp->tbl.arg = tp;
  96
  97                 tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
  98
  99                 /* Tables leak .ta settings to subsequent text. */
 100
 101                 term_tab_set(tp, NULL);
 102                 coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
 103                     sp->opts->lvert;
 104                 for (ic = 0; ic < sp->opts->cols; ic++) {
 105                         coloff += tp->tbl.cols[ic].width;
 106                         term_tab_iset(coloff);
 107                         coloff += tp->tbl.cols[ic].spacing;
 108                 }
 109
 110                 /* Center the table as a whole. */
 111
 112                 offset = tp->tcol->offset;
 113                 if (sp->opts->opts & TBL_OPT_CENTRE) {
 114                         tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
 115                             ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
 116                         for (ic = 0; ic + 1 < sp->opts->cols; ic++)
 117                                 tsz += tp->tbl.cols[ic].width +
 118                                     tp->tbl.cols[ic].spacing;
 119                         if (sp->opts->cols)
 120                                 tsz += tp->tbl.cols[sp->opts->cols - 1].width;
 121                         if (offset + tsz > tp->tcol->rmargin)
 122                                 tsz -= 1;
 123                         tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
 124                             (offset + tp->tcol->rmargin - tsz) / 2 : 0;
 125                 }
 126
 127                 /* Horizontal frame at the start of boxed tables. */
 128
 129                 if (sp->opts->opts & TBL_OPT_DBOX)
 130                         tbl_hrule(tp, sp, 3);
 131                 if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
 132                         tbl_hrule(tp, sp, 2);
 133         }
 134
 135         /* Set up the columns. */
 136
 137         tp->flags |= TERMP_MULTICOL;
 138         horiz = 0;
 139         switch (sp->pos) {
 140         case TBL_SPAN_HORIZ:
 141         case TBL_SPAN_DHORIZ:
 142                 horiz = 1;
 143                 term_setcol(tp, 1);
 144                 break;
 145         case TBL_SPAN_DATA:
 146                 term_setcol(tp, sp->opts->cols + 2);
 147                 coloff = tp->tcol->offset;
 148
 149                 /* Set up a column for a left vertical frame. */
 150
 151                 if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
 152                     sp->opts->lvert)
 153                         coloff++;
 154                 tp->tcol->rmargin = coloff;
 155
 156                 /* Set up the data columns. */
 157
 158                 dp = sp->first;
 159                 spans = 0;
 160                 for (ic = 0; ic < sp->opts->cols; ic++) {
 161                         if (spans == 0) {
 162                                 tp->tcol++;
 163                                 tp->tcol->offset = coloff;
 164                         }
 165                         coloff += tp->tbl.cols[ic].width;
 166                         tp->tcol->rmargin = coloff;
 167                         if (ic + 1 < sp->opts->cols)
 168                                 coloff += tp->tbl.cols[ic].spacing;
 169                         if (spans) {
 170                                 spans--;
 171                                 continue;
 172                         }
 173                         if (dp == NULL)
 174                                 continue;
 175                         spans = dp->spans;
 176                         if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
 177                                 dp = dp->next;
 178                 }
 179
 180                 /* Set up a column for a right vertical frame. */
 181
 182                 tp->tcol++;
 183                 tp->tcol->offset = coloff + 1;
 184                 tp->tcol->rmargin = tp->maxrmargin;
 185
 186                 /* Spans may have reduced the number of columns. */
 187
 188                 tp->lasttcol = tp->tcol - tp->tcols;
 189
 190                 /* Fill the buffers for all data columns. */
 191
 192                 tp->tcol = tp->tcols;
 193                 cp = cpn = sp->layout->first;
 194                 dp = sp->first;
 195                 spans = 0;
 196                 for (ic = 0; ic < sp->opts->cols; ic++) {
 197                         if (cpn != NULL) {
 198                                 cp = cpn;
 199                                 cpn = cpn->next;
 200                         }
 201                         if (spans) {
 202                                 spans--;
 203                                 continue;
 204                         }
 205                         tp->tcol++;
 206                         tp->col = 0;
 207                         tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
 208                         if (dp == NULL)
 209                                 continue;
 210                         spans = dp->spans;
 211                         if (cp->pos != TBL_CELL_SPAN)
 212                                 dp = dp->next;
 213                 }
 214                 break;
 215         }
 216
 217         do {
 218                 /* Print the vertical frame at the start of each row. */
 219
 220                 tp->tcol = tp->tcols;
 221                 fc = '\0';
 222                 if (sp->layout->vert ||
 223                     (sp->next != NULL && sp->next->layout->vert &&
 224                      sp->next->pos == TBL_SPAN_DATA) ||
 225                     (sp->prev != NULL && sp->prev->layout->vert &&
 226                      (horiz || (IS_HORIZ(sp->layout->first) &&
 227                        !IS_HORIZ(sp->prev->layout->first)))) ||
 228                     sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
 229                         fc = horiz || IS_HORIZ(sp->layout->first) ? '+' : '|';
 230                 else if (horiz && sp->opts->lvert)
 231                         fc = '-';
 232                 if (fc != '\0') {
 233                         (*tp->advance)(tp, tp->tcols->offset);
 234                         (*tp->letter)(tp, fc);
 235                         tp->viscol = tp->tcol->offset + 1;
 236                 }
 237
 238                 /* Print the data cells. */
 239
 240                 more = 0;
 241                 if (horiz) {
 242                         tbl_hrule(tp, sp, 0);
 243                         term_flushln(tp);
 244                 } else {
 245                         cp = sp->layout->first;
 246                         cpn = sp->next == NULL ? NULL :
 247                             sp->next->layout->first;
 248                         cpp = sp->prev == NULL ? NULL :
 249                             sp->prev->layout->first;
 250                         dp = sp->first;
 251                         spans = 0;
 252                         for (ic = 0; ic < sp->opts->cols; ic++) {
 253
 254                                 /*
 255                                  * Figure out whether to print a
 256                                  * vertical line after this cell
 257                                  * and advance to next layout cell.
 258                                  */
 259
 260                                 if (cp != NULL) {
 261                                         vert = cp->vert;
 262                                         switch (cp->pos) {
 263                                         case TBL_CELL_HORIZ:
 264                                                 fc = '-';
 265                                                 break;
 266                                         case TBL_CELL_DHORIZ:
 267                                                 fc = '=';
 268                                                 break;
 269                                         default:
 270                                                 fc = ' ';
 271                                                 break;
 272                                         }
 273                                 } else {
 274                                         vert = 0;
 275                                         fc = ' ';
 276                                 }
 277                                 if (cpp != NULL) {
 278                                         if (vert == 0 &&
 279                                             cp != NULL &&
 280                                             ((IS_HORIZ(cp) &&
 281                                               !IS_HORIZ(cpp)) ||
 282                                              (cp->next != NULL &&
 283                                               cpp->next != NULL &&
 284                                               IS_HORIZ(cp->next) &&
 285                                               !IS_HORIZ(cpp->next))))
 286                                                 vert = cpp->vert;
 287                                         cpp = cpp->next;
 288                                 }
 289                                 if (vert == 0 &&
 290                                     sp->opts->opts & TBL_OPT_ALLBOX)
 291                                         vert = 1;
 292                                 if (cpn != NULL) {
 293                                         if (vert == 0)
 294                                                 vert = cpn->vert;
 295                                         cpn = cpn->next;
 296                                 }
 297                                 if (cp != NULL)
 298                                         cp = cp->next;
 299
 300                                 /*
 301                                  * Skip later cells in a span,
 302                                  * figure out whether to start a span,
 303                                  * and advance to next data cell.
 304                                  */
 305
 306                                 if (spans) {
 307                                         spans--;
 308                                         continue;
 309                                 }
 310                                 if (dp != NULL) {
 311                                         spans = dp->spans;
 312                                         if (ic || sp->layout->first->pos
 313                                             != TBL_CELL_SPAN)
 314                                                 dp = dp->next;
 315                                 }
 316
 317                                 /*
 318                                  * Print one line of text in the cell
 319                                  * and remember whether there is more.
 320                                  */
 321
 322                                 tp->tcol++;
 323                                 if (tp->tcol->col < tp->tcol->lastcol)
 324                                         term_flushln(tp);
 325                                 if (tp->tcol->col < tp->tcol->lastcol)
 326                                         more = 1;
 327
 328                                 /*
 329                                  * Vertical frames between data cells,
 330                                  * but not after the last column.
 331                                  */
 332
 333                                 if (fc == ' ' && ((vert == 0 &&
 334                                      (cp == NULL || !IS_HORIZ(cp))) ||
 335                                     tp->tcol + 1 == tp->tcols + tp->lasttcol))
 336                                         continue;
 337
 338                                 if (tp->viscol < tp->tcol->rmargin) {
 339                                         (*tp->advance)(tp, tp->tcol->rmargin
 340                                            - tp->viscol);
 341                                         tp->viscol = tp->tcol->rmargin;
 342                                 }
 343                                 while (tp->viscol < tp->tcol->rmargin +
 344                                     tp->tbl.cols[ic].spacing / 2) {
 345                                         (*tp->letter)(tp, fc);
 346                                         tp->viscol++;
 347                                 }
 348
 349                                 if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
 350                                         continue;
 351
 352                                 if (fc == ' ' && cp != NULL) {
 353                                         switch (cp->pos) {
 354                                         case TBL_CELL_HORIZ:
 355                                                 fc = '-';
 356                                                 break;
 357                                         case TBL_CELL_DHORIZ:
 358                                                 fc = '=';
 359                                                 break;
 360                                         default:
 361                                                 break;
 362                                         }
 363                                 }
 364                                 if (tp->tbl.cols[ic].spacing) {
 365                                         (*tp->letter)(tp, fc == ' ' ? '|' :
 366                                             vert ? '+' : fc);
 367                                         tp->viscol++;
 368                                 }
 369
 370                                 if (fc != ' ') {
 371                                         if (cp != NULL &&
 372                                             cp->pos == TBL_CELL_HORIZ)
 373                                                 fc = '-';
 374                                         else if (cp != NULL &&
 375                                             cp->pos == TBL_CELL_DHORIZ)
 376                                                 fc = '=';
 377                                         else
 378                                                 fc = ' ';
 379                                 }
 380                                 if (tp->tbl.cols[ic].spacing > 2 &&
 381                                     (vert > 1 || fc != ' ')) {
 382                                         (*tp->letter)(tp, fc == ' ' ? '|' :
 383                                             vert > 1 ? '+' : fc);
 384                                         tp->viscol++;
 385                                 }
 386                         }
 387                 }
 388
 389                 /* Print the vertical frame at the end of each row. */
 390
 391                 fc = '\0';
 392                 if ((sp->layout->last->vert &&
 393                      sp->layout->last->col + 1 == sp->opts->cols) ||
 394                     (sp->next != NULL &&
 395                      sp->next->layout->last->vert &&
 396                      sp->next->layout->last->col + 1 == sp->opts->cols) ||
 397                     (sp->prev != NULL &&
 398                      sp->prev->layout->last->vert &&
 399                      sp->prev->layout->last->col + 1 == sp->opts->cols &&
 400                      (horiz || (IS_HORIZ(sp->layout->last) &&
 401                       !IS_HORIZ(sp->prev->layout->last)))) ||
 402                     (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
 403                         fc = horiz || IS_HORIZ(sp->layout->last) ? '+' : '|';
 404                 else if (horiz && sp->opts->rvert)
 405                         fc = '-';
 406                 if (fc != '\0') {
 407                         if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
 408                             sp->layout->last->col + 1 < sp->opts->cols)) {
 409                                 tp->tcol++;
 410                                 (*tp->advance)(tp,
 411                                     tp->tcol->offset > tp->viscol ?
 412                                     tp->tcol->offset - tp->viscol : 1);
 413                         }
 414                         (*tp->letter)(tp, fc);
 415                 }
 416                 (*tp->endline)(tp);
 417                 tp->viscol = 0;
 418         } while (more);
 419
 420         /*
 421          * Clean up after this row.  If it is the last line
 422          * of the table, print the box line and clean up
 423          * column data; otherwise, print the allbox line.
 424          */
 425
 426         term_setcol(tp, 1);
 427         tp->flags &= ~TERMP_MULTICOL;
 428         tp->tcol->rmargin = tp->maxrmargin;
 429         if (sp->next == NULL) {
 430                 if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
 431                         tbl_hrule(tp, sp, 2);
 432                         tp->skipvsp = 1;
 433                 }
 434                 if (sp->opts->opts & TBL_OPT_DBOX) {
 435                         tbl_hrule(tp, sp, 3);
 436                         tp->skipvsp = 2;
 437                 }
 438                 assert(tp->tbl.cols);
 439                 free(tp->tbl.cols);
 440                 tp->tbl.cols = NULL;
 441                 tp->tcol->offset = offset;
 442         } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
 443             (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
 444              sp->next->next != NULL))
 445                 tbl_hrule(tp, sp, 1);
 446
 447         tp->flags &= ~TERMP_NONOSPACE;
 448 }
 449
 450 /*
 451  * Kinds of horizontal rulers:
 452  * 0: inside the table (single or double line with crossings)
 453  * 1: inside the table (single or double line with crossings and ends)
 454  * 2: inner frame (single line with crossings and ends)
 455  * 3: outer frame (single line without crossings with ends)
 456  */
 457 static void
 458 tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
 459 {
 460         const struct tbl_cell *cp, *cpn, *cpp;
 461         const struct roffcol *col;
 462         int      vert;
 463         char     line, cross;
 464
 465         line = (kind < 2 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
 466         cross = (kind < 3) ? '+' : '-';
 467
 468         if (kind)
 469                 term_word(tp, "+");
 470         cp = sp->layout->first;
 471         cpp = kind || sp->prev == NULL ? NULL : sp->prev->layout->first;
 472         if (cpp == cp)
 473                 cpp = NULL;
 474         cpn = kind > 1 || sp->next == NULL ? NULL : sp->next->layout->first;
 475         if (cpn == cp)
 476                 cpn = NULL;
 477         for (;;) {
 478                 col = tp->tbl.cols + cp->col;
 479                 tbl_char(tp, line, col->width + col->spacing / 2);
 480                 vert = cp->vert;
 481                 if ((cp = cp->next) == NULL)
 482                          break;
 483                 if (cpp != NULL) {
 484                         if (vert < cpp->vert)
 485                                 vert = cpp->vert;
 486                         cpp = cpp->next;
 487                 }
 488                 if (cpn != NULL) {
 489                         if (vert < cpn->vert)
 490                                 vert = cpn->vert;
 491                         cpn = cpn->next;
 492                 }
 493                 if (sp->opts->opts & TBL_OPT_ALLBOX && !vert)
 494                         vert = 1;
 495                 if (col->spacing)
 496                         tbl_char(tp, vert ? cross : line, 1);
 497                 if (col->spacing > 2)
 498                         tbl_char(tp, vert > 1 ? cross : line, 1);
 499                 if (col->spacing > 4)
 500                         tbl_char(tp, line, (col->spacing - 3) / 2);
 501         }
 502         if (kind) {
 503                 term_word(tp, "+");
 504                 term_flushln(tp);
 505         }
 506 }
 507
 508 static void
 509 tbl_data(struct termp *tp, const struct tbl_opts *opts,
 510     const struct tbl_cell *cp, const struct tbl_dat *dp,
 511     const struct roffcol *col)
 512 {
 513         switch (cp->pos) {
 514         case TBL_CELL_HORIZ:
 515                 tbl_char(tp, '-', col->width);
 516                 return;
 517         case TBL_CELL_DHORIZ:
 518                 tbl_char(tp, '=', col->width);
 519                 return;
 520         default:
 521                 break;
 522         }
 523
 524         if (dp == NULL)
 525                 return;
 526
 527         switch (dp->pos) {
 528         case TBL_DATA_NONE:
 529                 return;
 530         case TBL_DATA_HORIZ:
 531         case TBL_DATA_NHORIZ:
 532                 tbl_char(tp, '-', col->width);
 533                 return;
 534         case TBL_DATA_NDHORIZ:
 535         case TBL_DATA_DHORIZ:
 536                 tbl_char(tp, '=', col->width);
 537                 return;
 538         default:
 539                 break;
 540         }
 541
 542         switch (cp->pos) {
 543         case TBL_CELL_LONG:
 544         case TBL_CELL_CENTRE:
 545         case TBL_CELL_LEFT:
 546         case TBL_CELL_RIGHT:
 547                 tbl_literal(tp, dp, col);
 548                 break;
 549         case TBL_CELL_NUMBER:
 550                 tbl_number(tp, opts, dp, col);
 551                 break;
 552         case TBL_CELL_DOWN:
 553         case TBL_CELL_SPAN:
 554                 break;
 555         default:
 556                 abort();
 557         }
 558 }
 559
 560 static void
 561 tbl_char(struct termp *tp, char c, size_t len)
 562 {
 563         size_t          i, sz;
 564         char            cp[2];
 565
 566         cp[0] = c;
 567         cp[1] = '\0';
 568
 569         sz = term_strlen(tp, cp);
 570
 571         for (i = 0; i < len; i += sz)
 572                 term_word(tp, cp);
 573 }
 574
 575 static void
 576 tbl_literal(struct termp *tp, const struct tbl_dat *dp,
 577                 const struct roffcol *col)
 578 {
 579         size_t           len, padl, padr, width;
 580         int              ic, spans;
 581
 582         assert(dp->string);
 583         len = term_strlen(tp, dp->string);
 584         width = col->width;
 585         ic = dp->layout->col;
 586         spans = dp->spans;
 587         while (spans--)
 588                 width += tp->tbl.cols[++ic].width + 3;
 589
 590         padr = width > len ? width - len : 0;
 591         padl = 0;
 592
 593         switch (dp->layout->pos) {
 594         case TBL_CELL_LONG:
 595                 padl = term_len(tp, 1);
 596                 padr = padr > padl ? padr - padl : 0;
 597                 break;
 598         case TBL_CELL_CENTRE:
 599                 if (2 > padr)
 600                         break;
 601                 padl = padr / 2;
 602                 padr -= padl;
 603                 break;
 604         case TBL_CELL_RIGHT:
 605                 padl = padr;
 606                 padr = 0;
 607                 break;
 608         default:
 609                 break;
 610         }
 611
 612         tbl_char(tp, ASCII_NBRSP, padl);
 613         tbl_word(tp, dp);
 614         tbl_char(tp, ASCII_NBRSP, padr);
 615 }
 616
 617 static void
 618 tbl_number(struct termp *tp, const struct tbl_opts *opts,
 619                 const struct tbl_dat *dp,
 620                 const struct roffcol *col)
 621 {
 622         char            *cp;
 623         char             buf[2];
 624         size_t           sz, psz, ssz, d, padl;
 625         int              i;
 626
 627         /*
 628          * See calc_data_number().  Left-pad by taking the offset of our
 629          * and the maximum decimal; right-pad by the remaining amount.
 630          */
 631
 632         assert(dp->string);
 633
 634         sz = term_strlen(tp, dp->string);
 635
 636         buf[0] = opts->decimal;
 637         buf[1] = '\0';
 638
 639         psz = term_strlen(tp, buf);
 640
 641         if ((cp = strrchr(dp->string, opts->decimal)) != NULL) {
 642                 for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
 643                         buf[0] = dp->string[i];
 644                         ssz += term_strlen(tp, buf);
 645                 }
 646                 d = ssz + psz;
 647         } else
 648                 d = sz + psz;
 649
 650         if (col->decimal > d && col->width > sz) {
 651                 padl = col->decimal - d;
 652                 if (padl + sz > col->width)
 653                         padl = col->width - sz;
 654                 tbl_char(tp, ASCII_NBRSP, padl);
 655         } else
 656                 padl = 0;
 657         tbl_word(tp, dp);
 658         if (col->width > sz + padl)
 659                 tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
 660 }
 661
 662 static void
 663 tbl_word(struct termp *tp, const struct tbl_dat *dp)
 664 {
 665         int              prev_font;
 666
 667         prev_font = tp->fonti;
 668         if (dp->layout->flags & TBL_CELL_BOLD)
 669                 term_fontpush(tp, TERMFONT_BOLD);
 670         else if (dp->layout->flags & TBL_CELL_ITALIC)
 671                 term_fontpush(tp, TERMFONT_UNDER);
 672
 673         term_word(tp, dp->string);
 674
 675         term_fontpopq(tp, prev_font);
 676 }