Annotation of src/usr.bin/mandoc/tbl_term.c, Revision 1.49
1.49 ! schwarze 1: /* $OpenBSD: tbl_term.c,v 1.48 2018/08/19 23:10:16 schwarze Exp $ */
1.1 schwarze 2: /*
1.9 schwarze 3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.46 schwarze 4: * Copyright (c) 2011-2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 schwarze 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: */
1.17 schwarze 18: #include <sys/types.h>
19:
1.1 schwarze 20: #include <assert.h>
1.48 schwarze 21: #include <ctype.h>
1.1 schwarze 22: #include <stdio.h>
23: #include <stdlib.h>
24: #include <string.h>
25:
1.5 schwarze 26: #include "mandoc.h"
1.2 schwarze 27: #include "out.h"
28: #include "term.h"
1.1 schwarze 29:
1.41 schwarze 30: #define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
31: (cp)->pos == TBL_CELL_DHORIZ)
32:
1.6 schwarze 33: static size_t term_tbl_len(size_t, void *);
34: static size_t term_tbl_strlen(const char *, void *);
1.34 schwarze 35: static size_t term_tbl_sulen(const struct roffsu *, void *);
1.6 schwarze 36: static void tbl_char(struct termp *, char, size_t);
1.14 schwarze 37: static void tbl_data(struct termp *, const struct tbl_opts *,
1.41 schwarze 38: const struct tbl_cell *,
1.16 schwarze 39: const struct tbl_dat *,
1.6 schwarze 40: const struct roffcol *);
1.16 schwarze 41: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.6 schwarze 42: const struct roffcol *);
1.16 schwarze 43: static void tbl_number(struct termp *, const struct tbl_opts *,
44: const struct tbl_dat *,
1.6 schwarze 45: const struct roffcol *);
1.21 schwarze 46: static void tbl_hrule(struct termp *, const struct tbl_span *, int);
1.17 schwarze 47: static void tbl_word(struct termp *, const struct tbl_dat *);
1.1 schwarze 48:
1.6 schwarze 49:
50: static size_t
1.34 schwarze 51: term_tbl_sulen(const struct roffsu *su, void *arg)
52: {
1.45 schwarze 53: int i;
54:
55: i = term_hen((const struct termp *)arg, su);
56: return i > 0 ? i : 0;
1.34 schwarze 57: }
58:
59: static size_t
1.6 schwarze 60: term_tbl_strlen(const char *p, void *arg)
61: {
1.30 schwarze 62: return term_strlen((const struct termp *)arg, p);
1.6 schwarze 63: }
64:
65: static size_t
66: term_tbl_len(size_t sz, void *arg)
67: {
1.30 schwarze 68: return term_len((const struct termp *)arg, sz);
1.6 schwarze 69: }
1.5 schwarze 70:
71: void
72: term_tbl(struct termp *tp, const struct tbl_span *sp)
73: {
1.41 schwarze 74: const struct tbl_cell *cp, *cpn, *cpp;
1.6 schwarze 75: const struct tbl_dat *dp;
1.22 schwarze 76: static size_t offset;
1.35 schwarze 77: size_t coloff, tsz;
1.49 ! schwarze 78: int ic, horiz, hspans, vert, more;
1.35 schwarze 79: char fc;
1.27 schwarze 80:
1.5 schwarze 81: /* Inhibit printing of spaces: we do padding ourselves. */
82:
1.35 schwarze 83: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.1 schwarze 84:
85: /*
1.6 schwarze 86: * The first time we're invoked for a given table block,
87: * calculate the table widths and decimal positions.
1.1 schwarze 88: */
89:
1.25 schwarze 90: if (tp->tbl.cols == NULL) {
1.6 schwarze 91: tp->tbl.len = term_tbl_len;
92: tp->tbl.slen = term_tbl_strlen;
1.34 schwarze 93: tp->tbl.sulen = term_tbl_sulen;
1.6 schwarze 94: tp->tbl.arg = tp;
1.5 schwarze 95:
1.36 schwarze 96: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.42 schwarze 97:
98: /* Tables leak .ta settings to subsequent text. */
99:
100: term_tab_set(tp, NULL);
101: coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
102: sp->opts->lvert;
103: for (ic = 0; ic < sp->opts->cols; ic++) {
104: coloff += tp->tbl.cols[ic].width;
105: term_tab_iset(coloff);
1.43 schwarze 106: coloff += tp->tbl.cols[ic].spacing;
1.42 schwarze 107: }
1.2 schwarze 108:
1.22 schwarze 109: /* Center the table as a whole. */
110:
1.33 schwarze 111: offset = tp->tcol->offset;
1.22 schwarze 112: if (sp->opts->opts & TBL_OPT_CENTRE) {
113: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
114: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.43 schwarze 115: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
116: tsz += tp->tbl.cols[ic].width +
117: tp->tbl.cols[ic].spacing;
118: if (sp->opts->cols)
119: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.33 schwarze 120: if (offset + tsz > tp->tcol->rmargin)
1.22 schwarze 121: tsz -= 1;
1.33 schwarze 122: tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
123: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.22 schwarze 124: }
125:
1.21 schwarze 126: /* Horizontal frame at the start of boxed tables. */
1.1 schwarze 127:
1.21 schwarze 128: if (sp->opts->opts & TBL_OPT_DBOX)
1.41 schwarze 129: tbl_hrule(tp, sp, 3);
130: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.21 schwarze 131: tbl_hrule(tp, sp, 2);
1.10 schwarze 132: }
1.5 schwarze 133:
1.35 schwarze 134: /* Set up the columns. */
1.5 schwarze 135:
1.35 schwarze 136: tp->flags |= TERMP_MULTICOL;
137: horiz = 0;
138: switch (sp->pos) {
139: case TBL_SPAN_HORIZ:
140: case TBL_SPAN_DHORIZ:
141: horiz = 1;
142: term_setcol(tp, 1);
143: break;
144: case TBL_SPAN_DATA:
145: term_setcol(tp, sp->opts->cols + 2);
146: coloff = tp->tcol->offset;
147:
148: /* Set up a column for a left vertical frame. */
149:
150: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
151: sp->opts->lvert)
152: coloff++;
153: tp->tcol->rmargin = coloff;
1.21 schwarze 154:
1.35 schwarze 155: /* Set up the data columns. */
1.1 schwarze 156:
1.35 schwarze 157: dp = sp->first;
1.49 ! schwarze 158: hspans = 0;
1.35 schwarze 159: for (ic = 0; ic < sp->opts->cols; ic++) {
1.49 ! schwarze 160: if (hspans == 0) {
1.35 schwarze 161: tp->tcol++;
162: tp->tcol->offset = coloff;
163: }
164: coloff += tp->tbl.cols[ic].width;
165: tp->tcol->rmargin = coloff;
166: if (ic + 1 < sp->opts->cols)
1.43 schwarze 167: coloff += tp->tbl.cols[ic].spacing;
1.49 ! schwarze 168: if (hspans) {
! 169: hspans--;
1.35 schwarze 170: continue;
171: }
172: if (dp == NULL)
173: continue;
1.49 ! schwarze 174: hspans = dp->hspans;
1.44 schwarze 175: if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
176: dp = dp->next;
1.35 schwarze 177: }
178:
179: /* Set up a column for a right vertical frame. */
180:
181: tp->tcol++;
1.43 schwarze 182: tp->tcol->offset = coloff + 1;
1.41 schwarze 183: tp->tcol->rmargin = tp->maxrmargin;
1.35 schwarze 184:
185: /* Spans may have reduced the number of columns. */
186:
187: tp->lasttcol = tp->tcol - tp->tcols;
188:
189: /* Fill the buffers for all data columns. */
1.1 schwarze 190:
1.35 schwarze 191: tp->tcol = tp->tcols;
1.41 schwarze 192: cp = cpn = sp->layout->first;
1.5 schwarze 193: dp = sp->first;
1.49 ! schwarze 194: hspans = 0;
1.24 schwarze 195: for (ic = 0; ic < sp->opts->cols; ic++) {
1.41 schwarze 196: if (cpn != NULL) {
197: cp = cpn;
198: cpn = cpn->next;
199: }
1.49 ! schwarze 200: if (hspans) {
! 201: hspans--;
1.35 schwarze 202: continue;
203: }
204: tp->tcol++;
205: tp->col = 0;
1.41 schwarze 206: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.35 schwarze 207: if (dp == NULL)
208: continue;
1.49 ! schwarze 209: hspans = dp->hspans;
1.44 schwarze 210: if (cp->pos != TBL_CELL_SPAN)
211: dp = dp->next;
1.35 schwarze 212: }
213: break;
214: }
215:
216: do {
217: /* Print the vertical frame at the start of each row. */
218:
219: tp->tcol = tp->tcols;
220: fc = '\0';
221: if (sp->layout->vert ||
1.41 schwarze 222: (sp->next != NULL && sp->next->layout->vert &&
223: sp->next->pos == TBL_SPAN_DATA) ||
224: (sp->prev != NULL && sp->prev->layout->vert &&
225: (horiz || (IS_HORIZ(sp->layout->first) &&
226: !IS_HORIZ(sp->prev->layout->first)))) ||
1.35 schwarze 227: sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
1.41 schwarze 228: fc = horiz || IS_HORIZ(sp->layout->first) ? '+' : '|';
1.35 schwarze 229: else if (horiz && sp->opts->lvert)
230: fc = '-';
231: if (fc != '\0') {
232: (*tp->advance)(tp, tp->tcols->offset);
233: (*tp->letter)(tp, fc);
234: tp->viscol = tp->tcol->offset + 1;
235: }
1.11 schwarze 236:
1.35 schwarze 237: /* Print the data cells. */
1.10 schwarze 238:
1.35 schwarze 239: more = 0;
240: if (horiz) {
241: tbl_hrule(tp, sp, 0);
242: term_flushln(tp);
243: } else {
244: cp = sp->layout->first;
1.41 schwarze 245: cpn = sp->next == NULL ? NULL :
246: sp->next->layout->first;
247: cpp = sp->prev == NULL ? NULL :
248: sp->prev->layout->first;
1.35 schwarze 249: dp = sp->first;
1.49 ! schwarze 250: hspans = 0;
1.35 schwarze 251: for (ic = 0; ic < sp->opts->cols; ic++) {
252:
1.41 schwarze 253: /*
254: * Figure out whether to print a
255: * vertical line after this cell
256: * and advance to next layout cell.
257: */
1.35 schwarze 258:
259: if (cp != NULL) {
260: vert = cp->vert;
1.41 schwarze 261: switch (cp->pos) {
262: case TBL_CELL_HORIZ:
263: fc = '-';
264: break;
265: case TBL_CELL_DHORIZ:
266: fc = '=';
267: break;
268: default:
269: fc = ' ';
270: break;
271: }
272: } else {
273: vert = 0;
274: fc = ' ';
275: }
276: if (cpp != NULL) {
277: if (vert == 0 &&
278: cp != NULL &&
279: ((IS_HORIZ(cp) &&
280: !IS_HORIZ(cpp)) ||
281: (cp->next != NULL &&
282: cpp->next != NULL &&
283: IS_HORIZ(cp->next) &&
284: !IS_HORIZ(cpp->next))))
285: vert = cpp->vert;
286: cpp = cpp->next;
287: }
288: if (vert == 0 &&
289: sp->opts->opts & TBL_OPT_ALLBOX)
290: vert = 1;
291: if (cpn != NULL) {
292: if (vert == 0)
293: vert = cpn->vert;
294: cpn = cpn->next;
295: }
296: if (cp != NULL)
1.35 schwarze 297: cp = cp->next;
1.39 schwarze 298:
1.41 schwarze 299: /*
300: * Skip later cells in a span,
301: * figure out whether to start a span,
302: * and advance to next data cell.
303: */
1.39 schwarze 304:
1.49 ! schwarze 305: if (hspans) {
! 306: hspans--;
1.39 schwarze 307: continue;
308: }
309: if (dp != NULL) {
1.49 ! schwarze 310: hspans = dp->hspans;
1.44 schwarze 311: if (ic || sp->layout->first->pos
312: != TBL_CELL_SPAN)
313: dp = dp->next;
1.39 schwarze 314: }
315:
1.41 schwarze 316: /*
317: * Print one line of text in the cell
318: * and remember whether there is more.
319: */
1.39 schwarze 320:
321: tp->tcol++;
322: if (tp->tcol->col < tp->tcol->lastcol)
323: term_flushln(tp);
324: if (tp->tcol->col < tp->tcol->lastcol)
325: more = 1;
326:
327: /*
328: * Vertical frames between data cells,
329: * but not after the last column.
330: */
331:
1.41 schwarze 332: if (fc == ' ' && ((vert == 0 &&
333: (cp == NULL || !IS_HORIZ(cp))) ||
334: tp->tcol + 1 == tp->tcols + tp->lasttcol))
335: continue;
336:
1.43 schwarze 337: if (tp->viscol < tp->tcol->rmargin) {
1.41 schwarze 338: (*tp->advance)(tp, tp->tcol->rmargin
339: - tp->viscol);
340: tp->viscol = tp->tcol->rmargin;
341: }
1.43 schwarze 342: while (tp->viscol < tp->tcol->rmargin +
343: tp->tbl.cols[ic].spacing / 2) {
1.41 schwarze 344: (*tp->letter)(tp, fc);
345: tp->viscol++;
346: }
347:
1.39 schwarze 348: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
349: continue;
1.35 schwarze 350:
1.41 schwarze 351: if (fc == ' ' && cp != NULL) {
352: switch (cp->pos) {
353: case TBL_CELL_HORIZ:
354: fc = '-';
355: break;
356: case TBL_CELL_DHORIZ:
357: fc = '=';
358: break;
359: default:
360: break;
361: }
362: }
1.43 schwarze 363: if (tp->tbl.cols[ic].spacing) {
364: (*tp->letter)(tp, fc == ' ' ? '|' :
365: vert ? '+' : fc);
366: tp->viscol++;
367: }
1.41 schwarze 368:
369: if (fc != ' ') {
370: if (cp != NULL &&
371: cp->pos == TBL_CELL_HORIZ)
372: fc = '-';
373: else if (cp != NULL &&
374: cp->pos == TBL_CELL_DHORIZ)
375: fc = '=';
376: else
377: fc = ' ';
1.35 schwarze 378: }
1.43 schwarze 379: if (tp->tbl.cols[ic].spacing > 2 &&
380: (vert > 1 || fc != ' ')) {
1.41 schwarze 381: (*tp->letter)(tp, fc == ' ' ? '|' :
382: vert > 1 ? '+' : fc);
1.35 schwarze 383: tp->viscol++;
1.21 schwarze 384: }
1.35 schwarze 385: }
386: }
1.5 schwarze 387:
1.35 schwarze 388: /* Print the vertical frame at the end of each row. */
1.7 schwarze 389:
1.35 schwarze 390: fc = '\0';
1.41 schwarze 391: if ((sp->layout->last->vert &&
392: sp->layout->last->col + 1 == sp->opts->cols) ||
393: (sp->next != NULL &&
394: sp->next->layout->last->vert &&
395: sp->next->layout->last->col + 1 == sp->opts->cols) ||
396: (sp->prev != NULL &&
397: sp->prev->layout->last->vert &&
398: sp->prev->layout->last->col + 1 == sp->opts->cols &&
399: (horiz || (IS_HORIZ(sp->layout->last) &&
400: !IS_HORIZ(sp->prev->layout->last)))) ||
1.35 schwarze 401: (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
1.41 schwarze 402: fc = horiz || IS_HORIZ(sp->layout->last) ? '+' : '|';
1.35 schwarze 403: else if (horiz && sp->opts->rvert)
404: fc = '-';
405: if (fc != '\0') {
1.41 schwarze 406: if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
407: sp->layout->last->col + 1 < sp->opts->cols)) {
1.35 schwarze 408: tp->tcol++;
409: (*tp->advance)(tp,
410: tp->tcol->offset > tp->viscol ?
411: tp->tcol->offset - tp->viscol : 1);
412: }
413: (*tp->letter)(tp, fc);
414: }
415: (*tp->endline)(tp);
416: tp->viscol = 0;
417: } while (more);
1.1 schwarze 418:
1.5 schwarze 419: /*
1.41 schwarze 420: * Clean up after this row. If it is the last line
421: * of the table, print the box line and clean up
422: * column data; otherwise, print the allbox line.
1.5 schwarze 423: */
1.1 schwarze 424:
1.35 schwarze 425: term_setcol(tp, 1);
426: tp->flags &= ~TERMP_MULTICOL;
427: tp->tcol->rmargin = tp->maxrmargin;
1.25 schwarze 428: if (sp->next == NULL) {
1.21 schwarze 429: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
1.41 schwarze 430: tbl_hrule(tp, sp, 2);
1.13 schwarze 431: tp->skipvsp = 1;
432: }
1.21 schwarze 433: if (sp->opts->opts & TBL_OPT_DBOX) {
1.41 schwarze 434: tbl_hrule(tp, sp, 3);
1.13 schwarze 435: tp->skipvsp = 2;
436: }
1.6 schwarze 437: assert(tp->tbl.cols);
438: free(tp->tbl.cols);
439: tp->tbl.cols = NULL;
1.33 schwarze 440: tp->tcol->offset = offset;
1.38 schwarze 441: } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
442: (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
443: sp->next->next != NULL))
1.37 schwarze 444: tbl_hrule(tp, sp, 1);
445:
1.35 schwarze 446: tp->flags &= ~TERMP_NONOSPACE;
1.1 schwarze 447: }
448:
1.10 schwarze 449: /*
1.21 schwarze 450: * Kinds of horizontal rulers:
451: * 0: inside the table (single or double line with crossings)
1.41 schwarze 452: * 1: inside the table (single or double line with crossings and ends)
453: * 2: inner frame (single line with crossings and ends)
454: * 3: outer frame (single line without crossings with ends)
1.10 schwarze 455: */
1.1 schwarze 456: static void
1.21 schwarze 457: tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
1.1 schwarze 458: {
1.41 schwarze 459: const struct tbl_cell *cp, *cpn, *cpp;
1.43 schwarze 460: const struct roffcol *col;
1.21 schwarze 461: int vert;
1.47 schwarze 462: char cross, line, stdcross, stdline;
1.21 schwarze 463:
1.47 schwarze 464: stdline = (kind < 2 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
465: stdcross = (kind < 3) ? '+' : '-';
1.21 schwarze 466:
1.41 schwarze 467: cp = sp->layout->first;
468: cpp = kind || sp->prev == NULL ? NULL : sp->prev->layout->first;
469: if (cpp == cp)
470: cpp = NULL;
471: cpn = kind > 1 || sp->next == NULL ? NULL : sp->next->layout->first;
472: if (cpn == cp)
473: cpn = NULL;
1.47 schwarze 474: if (kind)
475: term_word(tp,
476: cpn == NULL || cpn->pos != TBL_CELL_DOWN ? "+" : "|");
1.21 schwarze 477: for (;;) {
1.43 schwarze 478: col = tp->tbl.cols + cp->col;
1.47 schwarze 479: if (cpn == NULL || cpn->pos != TBL_CELL_DOWN) {
480: line = stdline;
481: cross = stdcross;
482: } else {
483: line = ' ';
484: cross = (kind < 3) ? '|' : ' ';
485: }
1.43 schwarze 486: tbl_char(tp, line, col->width + col->spacing / 2);
1.41 schwarze 487: vert = cp->vert;
488: if ((cp = cp->next) == NULL)
1.21 schwarze 489: break;
1.41 schwarze 490: if (cpp != NULL) {
491: if (vert < cpp->vert)
492: vert = cpp->vert;
493: cpp = cpp->next;
494: }
495: if (cpn != NULL) {
496: if (vert < cpn->vert)
497: vert = cpn->vert;
498: cpn = cpn->next;
1.21 schwarze 499: }
1.47 schwarze 500: if (cpn == NULL || cpn->pos != TBL_CELL_DOWN) {
501: line = stdline;
502: cross = stdcross;
503: } else
504: line = ' ';
1.37 schwarze 505: if (sp->opts->opts & TBL_OPT_ALLBOX && !vert)
506: vert = 1;
1.43 schwarze 507: if (col->spacing)
508: tbl_char(tp, vert ? cross : line, 1);
509: if (col->spacing > 2)
510: tbl_char(tp, vert > 1 ? cross : line, 1);
511: if (col->spacing > 4)
512: tbl_char(tp, line, (col->spacing - 3) / 2);
1.11 schwarze 513: }
1.21 schwarze 514: if (kind) {
1.47 schwarze 515: term_word(tp,
516: cpn == NULL || cpn->pos != TBL_CELL_DOWN ? "+" : "|");
1.21 schwarze 517: term_flushln(tp);
1.11 schwarze 518: }
1.1 schwarze 519: }
520:
521: static void
1.14 schwarze 522: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.41 schwarze 523: const struct tbl_cell *cp, const struct tbl_dat *dp,
524: const struct roffcol *col)
1.1 schwarze 525: {
1.41 schwarze 526: switch (cp->pos) {
527: case TBL_CELL_HORIZ:
528: tbl_char(tp, '-', col->width);
529: return;
530: case TBL_CELL_DHORIZ:
531: tbl_char(tp, '=', col->width);
532: return;
533: default:
534: break;
535: }
1.1 schwarze 536:
1.44 schwarze 537: if (dp == NULL)
1.1 schwarze 538: return;
539:
1.5 schwarze 540: switch (dp->pos) {
1.16 schwarze 541: case TBL_DATA_NONE:
1.5 schwarze 542: return;
1.16 schwarze 543: case TBL_DATA_HORIZ:
544: case TBL_DATA_NHORIZ:
1.6 schwarze 545: tbl_char(tp, '-', col->width);
1.5 schwarze 546: return;
1.16 schwarze 547: case TBL_DATA_NDHORIZ:
548: case TBL_DATA_DHORIZ:
1.6 schwarze 549: tbl_char(tp, '=', col->width);
1.5 schwarze 550: return;
1.1 schwarze 551: default:
552: break;
553: }
1.16 schwarze 554:
1.41 schwarze 555: switch (cp->pos) {
1.16 schwarze 556: case TBL_CELL_LONG:
557: case TBL_CELL_CENTRE:
558: case TBL_CELL_LEFT:
559: case TBL_CELL_RIGHT:
1.6 schwarze 560: tbl_literal(tp, dp, col);
1.1 schwarze 561: break;
1.16 schwarze 562: case TBL_CELL_NUMBER:
1.14 schwarze 563: tbl_number(tp, opts, dp, col);
1.4 schwarze 564: break;
1.16 schwarze 565: case TBL_CELL_DOWN:
1.44 schwarze 566: case TBL_CELL_SPAN:
1.7 schwarze 567: break;
1.1 schwarze 568: default:
569: abort();
570: }
571: }
572:
573: static void
1.6 schwarze 574: tbl_char(struct termp *tp, char c, size_t len)
1.5 schwarze 575: {
1.6 schwarze 576: size_t i, sz;
1.5 schwarze 577: char cp[2];
1.1 schwarze 578:
1.5 schwarze 579: cp[0] = c;
580: cp[1] = '\0';
1.1 schwarze 581:
1.5 schwarze 582: sz = term_strlen(tp, cp);
1.1 schwarze 583:
1.5 schwarze 584: for (i = 0; i < len; i += sz)
585: term_word(tp, cp);
1.1 schwarze 586: }
587:
588: static void
1.16 schwarze 589: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.6 schwarze 590: const struct roffcol *col)
1.1 schwarze 591: {
1.24 schwarze 592: size_t len, padl, padr, width;
1.49 ! schwarze 593: int ic, hspans;
1.1 schwarze 594:
1.7 schwarze 595: assert(dp->string);
1.10 schwarze 596: len = term_strlen(tp, dp->string);
1.12 schwarze 597: width = col->width;
1.24 schwarze 598: ic = dp->layout->col;
1.49 ! schwarze 599: hspans = dp->hspans;
! 600: while (hspans--)
1.24 schwarze 601: width += tp->tbl.cols[++ic].width + 3;
1.12 schwarze 602:
603: padr = width > len ? width - len : 0;
1.10 schwarze 604: padl = 0;
1.5 schwarze 605:
1.7 schwarze 606: switch (dp->layout->pos) {
1.16 schwarze 607: case TBL_CELL_LONG:
1.10 schwarze 608: padl = term_len(tp, 1);
609: padr = padr > padl ? padr - padl : 0;
1.1 schwarze 610: break;
1.16 schwarze 611: case TBL_CELL_CENTRE:
1.10 schwarze 612: if (2 > padr)
1.8 schwarze 613: break;
1.10 schwarze 614: padl = padr / 2;
1.8 schwarze 615: padr -= padl;
1.1 schwarze 616: break;
1.16 schwarze 617: case TBL_CELL_RIGHT:
1.10 schwarze 618: padl = padr;
619: padr = 0;
1.1 schwarze 620: break;
621: default:
622: break;
623: }
624:
1.5 schwarze 625: tbl_char(tp, ASCII_NBRSP, padl);
1.17 schwarze 626: tbl_word(tp, dp);
1.10 schwarze 627: tbl_char(tp, ASCII_NBRSP, padr);
1.1 schwarze 628: }
629:
1.5 schwarze 630: static void
1.14 schwarze 631: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.5 schwarze 632: const struct tbl_dat *dp,
1.6 schwarze 633: const struct roffcol *col)
1.5 schwarze 634: {
1.48 schwarze 635: const char *cp, *lastdigit, *lastpoint;
636: size_t intsz, padl, totsz;
1.6 schwarze 637: char buf[2];
1.5 schwarze 638:
639: /*
1.48 schwarze 640: * Almost the same code as in tblcalc_number():
641: * First find the position of the decimal point.
1.5 schwarze 642: */
643:
1.7 schwarze 644: assert(dp->string);
1.48 schwarze 645: lastdigit = lastpoint = NULL;
646: for (cp = dp->string; cp[0] != '\0'; cp++) {
647: if (cp[0] == '\\' && cp[1] == '&') {
648: lastdigit = lastpoint = cp;
649: break;
650: } else if (cp[0] == opts->decimal &&
651: (isdigit((unsigned char)cp[1]) ||
652: (cp > dp->string && isdigit((unsigned char)cp[-1]))))
653: lastpoint = cp;
654: else if (isdigit((unsigned char)cp[0]))
655: lastdigit = cp;
656: }
657:
658: /* Then measure both widths. */
1.5 schwarze 659:
1.48 schwarze 660: padl = 0;
661: totsz = term_strlen(tp, dp->string);
662: if (lastdigit != NULL) {
663: if (lastpoint == NULL)
664: lastpoint = lastdigit + 1;
665: intsz = 0;
666: buf[1] = '\0';
667: for (cp = dp->string; cp < lastpoint; cp++) {
668: buf[0] = cp[0];
669: intsz += term_strlen(tp, buf);
670: }
671:
672: /*
673: * Pad left to match the decimal position,
674: * but avoid exceeding the total column width.
675: */
676:
677: if (col->decimal > intsz && col->width > totsz) {
678: padl = col->decimal - intsz;
679: if (padl + totsz > col->width)
680: padl = col->width - totsz;
681: }
1.5 schwarze 682:
1.48 schwarze 683: /* If it is not a number, simply center the string. */
1.5 schwarze 684:
1.48 schwarze 685: } else if (col->width > totsz)
686: padl = (col->width - totsz) / 2;
687:
688: tbl_char(tp, ASCII_NBRSP, padl);
1.17 schwarze 689: tbl_word(tp, dp);
1.48 schwarze 690:
691: /* Pad right to fill the column. */
692:
693: if (col->width > padl + totsz)
694: tbl_char(tp, ASCII_NBRSP, col->width - padl - totsz);
1.5 schwarze 695: }
1.1 schwarze 696:
1.17 schwarze 697: static void
698: tbl_word(struct termp *tp, const struct tbl_dat *dp)
699: {
1.26 schwarze 700: int prev_font;
1.17 schwarze 701:
1.26 schwarze 702: prev_font = tp->fonti;
1.17 schwarze 703: if (dp->layout->flags & TBL_CELL_BOLD)
704: term_fontpush(tp, TERMFONT_BOLD);
705: else if (dp->layout->flags & TBL_CELL_ITALIC)
706: term_fontpush(tp, TERMFONT_UNDER);
707:
708: term_word(tp, dp->string);
709:
710: term_fontpopq(tp, prev_font);
711: }
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