Annotation of src/usr.bin/mandoc/tbl_term.c, Revision 1.66
1.66 ! schwarze 1: /* $OpenBSD: tbl_term.c,v 1.65 2022/04/26 14:46:30 schwarze Exp $ */
1.1 schwarze 2: /*
1.65 schwarze 3: * Copyright (c) 2011-2022 Ingo Schwarze <schwarze@openbsd.org>
1.9 schwarze 4: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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"
1.54 schwarze 27: #include "tbl.h"
1.2 schwarze 28: #include "out.h"
29: #include "term.h"
1.1 schwarze 30:
1.41 schwarze 31: #define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
32: (cp)->pos == TBL_CELL_DHORIZ)
33:
1.50 schwarze 34:
1.6 schwarze 35: static size_t term_tbl_len(size_t, void *);
36: static size_t term_tbl_strlen(const char *, void *);
1.34 schwarze 37: static size_t term_tbl_sulen(const struct roffsu *, void *);
1.14 schwarze 38: static void tbl_data(struct termp *, const struct tbl_opts *,
1.41 schwarze 39: const struct tbl_cell *,
1.16 schwarze 40: const struct tbl_dat *,
1.6 schwarze 41: const struct roffcol *);
1.50 schwarze 42: static void tbl_direct_border(struct termp *, int, size_t);
43: static void tbl_fill_border(struct termp *, int, size_t);
44: static void tbl_fill_char(struct termp *, char, size_t);
45: static void tbl_fill_string(struct termp *, const char *, size_t);
1.52 schwarze 46: static void tbl_hrule(struct termp *, const struct tbl_span *,
1.57 schwarze 47: const struct tbl_span *, const struct tbl_span *,
48: int);
1.16 schwarze 49: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.6 schwarze 50: const struct roffcol *);
1.16 schwarze 51: static void tbl_number(struct termp *, const struct tbl_opts *,
52: const struct tbl_dat *,
1.6 schwarze 53: const struct roffcol *);
1.17 schwarze 54: static void tbl_word(struct termp *, const struct tbl_dat *);
1.1 schwarze 55:
1.6 schwarze 56:
1.50 schwarze 57: /*
58: * The following border-character tables are indexed
59: * by ternary (3-based) numbers, as opposed to binary or decimal.
60: * Each ternary digit describes the line width in one direction:
61: * 0 means no line, 1 single or light line, 2 double or heavy line.
62: */
63:
64: /* Positional values of the four directions. */
65: #define BRIGHT 1
66: #define BDOWN 3
67: #define BLEFT (3 * 3)
68: #define BUP (3 * 3 * 3)
69: #define BHORIZ (BLEFT + BRIGHT)
70:
71: /* Code points to use for each combination of widths. */
72: static const int borders_utf8[81] = {
73: 0x0020, 0x2576, 0x257a, /* 000 right */
74: 0x2577, 0x250c, 0x250d, /* 001 down */
75: 0x257b, 0x250e, 0x250f, /* 002 */
76: 0x2574, 0x2500, 0x257c, /* 010 left */
77: 0x2510, 0x252c, 0x252e, /* 011 left down */
78: 0x2512, 0x2530, 0x2532, /* 012 */
79: 0x2578, 0x257e, 0x2501, /* 020 left */
80: 0x2511, 0x252d, 0x252f, /* 021 left down */
81: 0x2513, 0x2531, 0x2533, /* 022 */
82: 0x2575, 0x2514, 0x2515, /* 100 up */
83: 0x2502, 0x251c, 0x251d, /* 101 up down */
84: 0x257d, 0x251f, 0x2522, /* 102 */
85: 0x2518, 0x2534, 0x2536, /* 110 up left */
86: 0x2524, 0x253c, 0x253e, /* 111 all */
87: 0x2527, 0x2541, 0x2546, /* 112 */
88: 0x2519, 0x2535, 0x2537, /* 120 up left */
89: 0x2525, 0x253d, 0x253f, /* 121 all */
90: 0x252a, 0x2545, 0x2548, /* 122 */
91: 0x2579, 0x2516, 0x2517, /* 200 up */
92: 0x257f, 0x251e, 0x2521, /* 201 up down */
93: 0x2503, 0x2520, 0x2523, /* 202 */
94: 0x251a, 0x2538, 0x253a, /* 210 up left */
95: 0x2526, 0x2540, 0x2544, /* 211 all */
96: 0x2528, 0x2542, 0x254a, /* 212 */
97: 0x251b, 0x2539, 0x253b, /* 220 up left */
98: 0x2529, 0x2543, 0x2547, /* 221 all */
99: 0x252b, 0x2549, 0x254b, /* 222 */
100: };
101:
102: /* ASCII approximations for these code points, compatible with groff. */
103: static const int borders_ascii[81] = {
104: ' ', '-', '=', /* 000 right */
105: '|', '+', '+', /* 001 down */
106: '|', '+', '+', /* 002 */
107: '-', '-', '=', /* 010 left */
108: '+', '+', '+', /* 011 left down */
109: '+', '+', '+', /* 012 */
110: '=', '=', '=', /* 020 left */
111: '+', '+', '+', /* 021 left down */
112: '+', '+', '+', /* 022 */
113: '|', '+', '+', /* 100 up */
114: '|', '+', '+', /* 101 up down */
115: '|', '+', '+', /* 102 */
116: '+', '+', '+', /* 110 up left */
117: '+', '+', '+', /* 111 all */
118: '+', '+', '+', /* 112 */
119: '+', '+', '+', /* 120 up left */
120: '+', '+', '+', /* 121 all */
121: '+', '+', '+', /* 122 */
122: '|', '+', '+', /* 200 up */
123: '|', '+', '+', /* 201 up down */
124: '|', '+', '+', /* 202 */
125: '+', '+', '+', /* 210 up left */
126: '+', '+', '+', /* 211 all */
127: '+', '+', '+', /* 212 */
128: '+', '+', '+', /* 220 up left */
129: '+', '+', '+', /* 221 all */
130: '+', '+', '+', /* 222 */
131: };
132:
133: /* Either of the above according to the selected output encoding. */
134: static const int *borders_locale;
135:
136:
1.6 schwarze 137: static size_t
1.34 schwarze 138: term_tbl_sulen(const struct roffsu *su, void *arg)
139: {
1.45 schwarze 140: int i;
141:
142: i = term_hen((const struct termp *)arg, su);
143: return i > 0 ? i : 0;
1.34 schwarze 144: }
145:
146: static size_t
1.6 schwarze 147: term_tbl_strlen(const char *p, void *arg)
148: {
1.30 schwarze 149: return term_strlen((const struct termp *)arg, p);
1.6 schwarze 150: }
151:
152: static size_t
153: term_tbl_len(size_t sz, void *arg)
154: {
1.30 schwarze 155: return term_len((const struct termp *)arg, sz);
1.6 schwarze 156: }
1.5 schwarze 157:
1.50 schwarze 158:
1.5 schwarze 159: void
160: term_tbl(struct termp *tp, const struct tbl_span *sp)
161: {
1.50 schwarze 162: const struct tbl_cell *cp, *cpn, *cpp, *cps;
1.6 schwarze 163: const struct tbl_dat *dp;
1.22 schwarze 164: static size_t offset;
1.60 schwarze 165: size_t save_offset;
1.35 schwarze 166: size_t coloff, tsz;
1.50 schwarze 167: int hspans, ic, more;
1.56 schwarze 168: int dvert, fc, horiz, lhori, rhori, uvert;
1.27 schwarze 169:
1.5 schwarze 170: /* Inhibit printing of spaces: we do padding ourselves. */
171:
1.35 schwarze 172: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.55 schwarze 173: save_offset = tp->tcol->offset;
1.1 schwarze 174:
175: /*
1.6 schwarze 176: * The first time we're invoked for a given table block,
177: * calculate the table widths and decimal positions.
1.1 schwarze 178: */
179:
1.25 schwarze 180: if (tp->tbl.cols == NULL) {
1.50 schwarze 181: borders_locale = tp->enc == TERMENC_UTF8 ?
182: borders_utf8 : borders_ascii;
183:
1.6 schwarze 184: tp->tbl.len = term_tbl_len;
185: tp->tbl.slen = term_tbl_strlen;
1.34 schwarze 186: tp->tbl.sulen = term_tbl_sulen;
1.6 schwarze 187: tp->tbl.arg = tp;
1.5 schwarze 188:
1.36 schwarze 189: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.2 schwarze 190:
1.22 schwarze 191: /* Center the table as a whole. */
192:
1.33 schwarze 193: offset = tp->tcol->offset;
1.22 schwarze 194: if (sp->opts->opts & TBL_OPT_CENTRE) {
195: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
196: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.43 schwarze 197: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
198: tsz += tp->tbl.cols[ic].width +
199: tp->tbl.cols[ic].spacing;
200: if (sp->opts->cols)
201: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.33 schwarze 202: if (offset + tsz > tp->tcol->rmargin)
1.22 schwarze 203: tsz -= 1;
1.55 schwarze 204: offset = offset + tp->tcol->rmargin > tsz ?
1.33 schwarze 205: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.55 schwarze 206: tp->tcol->offset = offset;
1.22 schwarze 207: }
208:
1.21 schwarze 209: /* Horizontal frame at the start of boxed tables. */
1.1 schwarze 210:
1.50 schwarze 211: if (tp->enc == TERMENC_ASCII &&
212: sp->opts->opts & TBL_OPT_DBOX)
1.57 schwarze 213: tbl_hrule(tp, NULL, sp, sp, TBL_OPT_DBOX);
1.41 schwarze 214: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.57 schwarze 215: tbl_hrule(tp, NULL, sp, sp, TBL_OPT_BOX);
1.10 schwarze 216: }
1.5 schwarze 217:
1.35 schwarze 218: /* Set up the columns. */
1.5 schwarze 219:
1.35 schwarze 220: tp->flags |= TERMP_MULTICOL;
1.55 schwarze 221: tp->tcol->offset = offset;
1.35 schwarze 222: horiz = 0;
223: switch (sp->pos) {
224: case TBL_SPAN_HORIZ:
225: case TBL_SPAN_DHORIZ:
226: horiz = 1;
227: term_setcol(tp, 1);
228: break;
229: case TBL_SPAN_DATA:
230: term_setcol(tp, sp->opts->cols + 2);
231: coloff = tp->tcol->offset;
232:
233: /* Set up a column for a left vertical frame. */
234:
235: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
236: sp->opts->lvert)
237: coloff++;
238: tp->tcol->rmargin = coloff;
1.21 schwarze 239:
1.35 schwarze 240: /* Set up the data columns. */
1.1 schwarze 241:
1.35 schwarze 242: dp = sp->first;
1.49 schwarze 243: hspans = 0;
1.35 schwarze 244: for (ic = 0; ic < sp->opts->cols; ic++) {
1.49 schwarze 245: if (hspans == 0) {
1.35 schwarze 246: tp->tcol++;
247: tp->tcol->offset = coloff;
248: }
249: coloff += tp->tbl.cols[ic].width;
250: tp->tcol->rmargin = coloff;
251: if (ic + 1 < sp->opts->cols)
1.43 schwarze 252: coloff += tp->tbl.cols[ic].spacing;
1.49 schwarze 253: if (hspans) {
254: hspans--;
1.35 schwarze 255: continue;
256: }
1.61 schwarze 257: if (dp != NULL &&
258: (ic || sp->layout->first->pos != TBL_CELL_SPAN)) {
259: hspans = dp->hspans;
1.44 schwarze 260: dp = dp->next;
1.61 schwarze 261: }
1.35 schwarze 262: }
263:
264: /* Set up a column for a right vertical frame. */
265:
266: tp->tcol++;
1.43 schwarze 267: tp->tcol->offset = coloff + 1;
1.41 schwarze 268: tp->tcol->rmargin = tp->maxrmargin;
1.35 schwarze 269:
270: /* Spans may have reduced the number of columns. */
271:
272: tp->lasttcol = tp->tcol - tp->tcols;
273:
274: /* Fill the buffers for all data columns. */
1.1 schwarze 275:
1.35 schwarze 276: tp->tcol = tp->tcols;
1.41 schwarze 277: cp = cpn = sp->layout->first;
1.5 schwarze 278: dp = sp->first;
1.49 schwarze 279: hspans = 0;
1.24 schwarze 280: for (ic = 0; ic < sp->opts->cols; ic++) {
1.41 schwarze 281: if (cpn != NULL) {
282: cp = cpn;
283: cpn = cpn->next;
284: }
1.49 schwarze 285: if (hspans) {
286: hspans--;
1.35 schwarze 287: continue;
288: }
289: tp->tcol++;
290: tp->col = 0;
1.65 schwarze 291: tp->flags &= ~(TERMP_BACKAFTER | TERMP_BACKBEFORE);
1.41 schwarze 292: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.61 schwarze 293: if (dp != NULL &&
294: (ic || sp->layout->first->pos != TBL_CELL_SPAN)) {
295: hspans = dp->hspans;
1.44 schwarze 296: dp = dp->next;
1.61 schwarze 297: }
1.35 schwarze 298: }
299: break;
300: }
301:
302: do {
303: /* Print the vertical frame at the start of each row. */
304:
305: tp->tcol = tp->tcols;
1.50 schwarze 306: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
307: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
308: if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert)
309: uvert = dvert = sp->layout->vert;
310: if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA &&
311: dvert < sp->next->layout->vert)
312: dvert = sp->next->layout->vert;
313: if (sp->prev != NULL && uvert < sp->prev->layout->vert &&
314: (horiz || (IS_HORIZ(sp->layout->first) &&
315: !IS_HORIZ(sp->prev->layout->first))))
316: uvert = sp->prev->layout->vert;
1.56 schwarze 317: rhori = sp->pos == TBL_SPAN_DHORIZ ||
318: (sp->first != NULL && sp->first->pos == TBL_DATA_DHORIZ) ||
1.50 schwarze 319: sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 :
320: sp->pos == TBL_SPAN_HORIZ ||
1.56 schwarze 321: (sp->first != NULL && sp->first->pos == TBL_DATA_HORIZ) ||
1.50 schwarze 322: sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0;
1.56 schwarze 323: fc = BUP * uvert + BDOWN * dvert + BRIGHT * rhori;
1.50 schwarze 324: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) {
1.35 schwarze 325: (*tp->advance)(tp, tp->tcols->offset);
1.50 schwarze 326: tp->viscol = tp->tcol->offset;
327: tbl_direct_border(tp, fc, 1);
1.35 schwarze 328: }
1.11 schwarze 329:
1.35 schwarze 330: /* Print the data cells. */
1.10 schwarze 331:
1.35 schwarze 332: more = 0;
1.50 schwarze 333: if (horiz)
1.57 schwarze 334: tbl_hrule(tp, sp->prev, sp, sp->next, 0);
1.50 schwarze 335: else {
1.35 schwarze 336: cp = sp->layout->first;
1.41 schwarze 337: cpn = sp->next == NULL ? NULL :
338: sp->next->layout->first;
339: cpp = sp->prev == NULL ? NULL :
340: sp->prev->layout->first;
1.35 schwarze 341: dp = sp->first;
1.49 schwarze 342: hspans = 0;
1.35 schwarze 343: for (ic = 0; ic < sp->opts->cols; ic++) {
344:
1.41 schwarze 345: /*
346: * Figure out whether to print a
347: * vertical line after this cell
348: * and advance to next layout cell.
349: */
1.35 schwarze 350:
1.50 schwarze 351: uvert = dvert = fc = 0;
1.35 schwarze 352: if (cp != NULL) {
1.50 schwarze 353: cps = cp;
354: while (cps->next != NULL &&
355: cps->next->pos == TBL_CELL_SPAN)
356: cps = cps->next;
357: if (sp->pos == TBL_SPAN_DATA)
358: uvert = dvert = cps->vert;
1.41 schwarze 359: switch (cp->pos) {
360: case TBL_CELL_HORIZ:
1.50 schwarze 361: fc = BHORIZ;
1.41 schwarze 362: break;
363: case TBL_CELL_DHORIZ:
1.50 schwarze 364: fc = BHORIZ * 2;
1.41 schwarze 365: break;
366: default:
367: break;
368: }
369: }
370: if (cpp != NULL) {
1.50 schwarze 371: if (uvert < cpp->vert &&
1.41 schwarze 372: cp != NULL &&
373: ((IS_HORIZ(cp) &&
374: !IS_HORIZ(cpp)) ||
375: (cp->next != NULL &&
376: cpp->next != NULL &&
377: IS_HORIZ(cp->next) &&
378: !IS_HORIZ(cpp->next))))
1.50 schwarze 379: uvert = cpp->vert;
1.41 schwarze 380: cpp = cpp->next;
381: }
1.50 schwarze 382: if (sp->opts->opts & TBL_OPT_ALLBOX) {
383: if (uvert == 0)
384: uvert = 1;
385: if (dvert == 0)
386: dvert = 1;
387: }
1.41 schwarze 388: if (cpn != NULL) {
1.50 schwarze 389: if (dvert == 0 ||
390: (dvert < cpn->vert &&
391: tp->enc == TERMENC_UTF8))
392: dvert = cpn->vert;
1.41 schwarze 393: cpn = cpn->next;
394: }
1.39 schwarze 395:
1.56 schwarze 396: lhori = (cp != NULL &&
397: cp->pos == TBL_CELL_DHORIZ) ||
398: (dp != NULL &&
399: dp->pos == TBL_DATA_DHORIZ) ? 2 :
400: (cp != NULL &&
401: cp->pos == TBL_CELL_HORIZ) ||
402: (dp != NULL &&
403: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
404:
1.41 schwarze 405: /*
406: * Skip later cells in a span,
407: * figure out whether to start a span,
408: * and advance to next data cell.
409: */
1.39 schwarze 410:
1.49 schwarze 411: if (hspans) {
412: hspans--;
1.50 schwarze 413: cp = cp->next;
1.39 schwarze 414: continue;
415: }
1.61 schwarze 416: if (dp != NULL && (ic ||
417: sp->layout->first->pos != TBL_CELL_SPAN)) {
1.49 schwarze 418: hspans = dp->hspans;
1.61 schwarze 419: dp = dp->next;
1.39 schwarze 420: }
421:
1.41 schwarze 422: /*
423: * Print one line of text in the cell
424: * and remember whether there is more.
425: */
1.39 schwarze 426:
427: tp->tcol++;
428: if (tp->tcol->col < tp->tcol->lastcol)
429: term_flushln(tp);
430: if (tp->tcol->col < tp->tcol->lastcol)
431: more = 1;
432:
433: /*
434: * Vertical frames between data cells,
435: * but not after the last column.
436: */
437:
1.51 schwarze 438: if (fc == 0 &&
439: ((uvert == 0 && dvert == 0 &&
440: cp != NULL && (cp->next == NULL ||
1.50 schwarze 441: !IS_HORIZ(cp->next))) ||
1.51 schwarze 442: tp->tcol + 1 ==
443: tp->tcols + tp->lasttcol)) {
444: if (cp != NULL)
445: cp = cp->next;
1.41 schwarze 446: continue;
1.50 schwarze 447: }
1.41 schwarze 448:
1.43 schwarze 449: if (tp->viscol < tp->tcol->rmargin) {
1.41 schwarze 450: (*tp->advance)(tp, tp->tcol->rmargin
451: - tp->viscol);
452: tp->viscol = tp->tcol->rmargin;
453: }
1.43 schwarze 454: while (tp->viscol < tp->tcol->rmargin +
1.50 schwarze 455: tp->tbl.cols[ic].spacing / 2)
1.56 schwarze 456: tbl_direct_border(tp,
457: BHORIZ * lhori, 1);
1.41 schwarze 458:
1.39 schwarze 459: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
460: continue;
1.35 schwarze 461:
1.56 schwarze 462: if (cp != NULL)
1.50 schwarze 463: cp = cp->next;
1.56 schwarze 464:
465: rhori = (cp != NULL &&
466: cp->pos == TBL_CELL_DHORIZ) ||
467: (dp != NULL &&
468: dp->pos == TBL_DATA_DHORIZ) ? 2 :
469: (cp != NULL &&
470: cp->pos == TBL_CELL_HORIZ) ||
471: (dp != NULL &&
472: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
473:
1.50 schwarze 474: if (tp->tbl.cols[ic].spacing)
1.56 schwarze 475: tbl_direct_border(tp,
476: BLEFT * lhori + BRIGHT * rhori +
1.50 schwarze 477: BUP * uvert + BDOWN * dvert, 1);
478:
479: if (tp->enc == TERMENC_UTF8)
480: uvert = dvert = 0;
1.41 schwarze 481:
1.43 schwarze 482: if (tp->tbl.cols[ic].spacing > 2 &&
1.56 schwarze 483: (uvert > 1 || dvert > 1 || rhori))
484: tbl_direct_border(tp,
485: BHORIZ * rhori +
1.50 schwarze 486: BUP * (uvert > 1) +
487: BDOWN * (dvert > 1), 1);
1.35 schwarze 488: }
489: }
1.5 schwarze 490:
1.35 schwarze 491: /* Print the vertical frame at the end of each row. */
1.7 schwarze 492:
1.50 schwarze 493: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
494: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
495: if (sp->pos == TBL_SPAN_DATA &&
496: uvert < sp->layout->last->vert &&
497: sp->layout->last->col + 1 == sp->opts->cols)
498: uvert = dvert = sp->layout->last->vert;
499: if (sp->next != NULL &&
500: dvert < sp->next->layout->last->vert &&
501: sp->next->layout->last->col + 1 == sp->opts->cols)
502: dvert = sp->next->layout->last->vert;
503: if (sp->prev != NULL &&
504: uvert < sp->prev->layout->last->vert &&
505: sp->prev->layout->last->col + 1 == sp->opts->cols &&
506: (horiz || (IS_HORIZ(sp->layout->last) &&
507: !IS_HORIZ(sp->prev->layout->last))))
508: uvert = sp->prev->layout->last->vert;
1.56 schwarze 509: lhori = sp->pos == TBL_SPAN_DHORIZ ||
510: (sp->last != NULL &&
511: sp->last->pos == TBL_DATA_DHORIZ &&
512: sp->last->layout->col + 1 == sp->opts->cols) ||
1.50 schwarze 513: (sp->layout->last->pos == TBL_CELL_DHORIZ &&
514: sp->layout->last->col + 1 == sp->opts->cols) ? 2 :
515: sp->pos == TBL_SPAN_HORIZ ||
1.56 schwarze 516: (sp->last != NULL &&
517: sp->last->pos == TBL_DATA_HORIZ &&
518: sp->last->layout->col + 1 == sp->opts->cols) ||
1.50 schwarze 519: (sp->layout->last->pos == TBL_CELL_HORIZ &&
520: sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0;
1.56 schwarze 521: fc = BUP * uvert + BDOWN * dvert + BLEFT * lhori;
1.50 schwarze 522: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->rvert)) {
1.41 schwarze 523: if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
524: sp->layout->last->col + 1 < sp->opts->cols)) {
1.35 schwarze 525: tp->tcol++;
1.56 schwarze 526: do {
527: tbl_direct_border(tp,
528: BHORIZ * lhori, 1);
529: } while (tp->viscol < tp->tcol->offset);
1.35 schwarze 530: }
1.50 schwarze 531: tbl_direct_border(tp, fc, 1);
1.35 schwarze 532: }
533: (*tp->endline)(tp);
534: tp->viscol = 0;
535: } while (more);
1.1 schwarze 536:
1.5 schwarze 537: /*
1.41 schwarze 538: * Clean up after this row. If it is the last line
539: * of the table, print the box line and clean up
540: * column data; otherwise, print the allbox line.
1.5 schwarze 541: */
1.1 schwarze 542:
1.35 schwarze 543: term_setcol(tp, 1);
544: tp->flags &= ~TERMP_MULTICOL;
545: tp->tcol->rmargin = tp->maxrmargin;
1.25 schwarze 546: if (sp->next == NULL) {
1.66 ! schwarze 547: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.57 schwarze 548: tbl_hrule(tp, sp, sp, NULL, TBL_OPT_BOX);
1.50 schwarze 549: if (tp->enc == TERMENC_ASCII &&
1.66 ! schwarze 550: sp->opts->opts & TBL_OPT_DBOX)
1.57 schwarze 551: tbl_hrule(tp, sp, sp, NULL, TBL_OPT_DBOX);
1.6 schwarze 552: assert(tp->tbl.cols);
553: free(tp->tbl.cols);
554: tp->tbl.cols = NULL;
1.38 schwarze 555: } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
556: (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
557: sp->next->next != NULL))
1.57 schwarze 558: tbl_hrule(tp, sp, sp, sp->next, TBL_OPT_ALLBOX);
1.37 schwarze 559:
1.55 schwarze 560: tp->tcol->offset = save_offset;
1.35 schwarze 561: tp->flags &= ~TERMP_NONOSPACE;
1.1 schwarze 562: }
563:
564: static void
1.52 schwarze 565: tbl_hrule(struct termp *tp, const struct tbl_span *spp,
1.57 schwarze 566: const struct tbl_span *sp, const struct tbl_span *spn, int flags)
1.1 schwarze 567: {
1.53 schwarze 568: const struct tbl_cell *cpp; /* Layout cell above this line. */
1.57 schwarze 569: const struct tbl_cell *cp; /* Layout cell in this line. */
1.53 schwarze 570: const struct tbl_cell *cpn; /* Layout cell below this line. */
571: const struct tbl_dat *dpn; /* Data cell below this line. */
1.52 schwarze 572: const struct roffcol *col; /* Contains width and spacing. */
573: int opts; /* For the table as a whole. */
574: int bw; /* Box line width. */
575: int hw; /* Horizontal line width. */
576: int lw, rw; /* Left and right line widths. */
577: int uw, dw; /* Vertical line widths. */
578:
579: cpp = spp == NULL ? NULL : spp->layout->first;
1.57 schwarze 580: cp = sp == NULL ? NULL : sp->layout->first;
1.52 schwarze 581: cpn = spn == NULL ? NULL : spn->layout->first;
1.53 schwarze 582: dpn = NULL;
583: if (spn != NULL) {
584: if (spn->pos == TBL_SPAN_DATA)
585: dpn = spn->first;
586: else if (spn->next != NULL)
587: dpn = spn->next->first;
588: }
1.57 schwarze 589: opts = sp->opts->opts;
1.52 schwarze 590: bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
591: opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
592: hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw :
1.57 schwarze 593: sp->pos == TBL_SPAN_DHORIZ ? 2 : 1;
1.52 schwarze 594:
595: /* Print the left end of the line. */
596:
1.50 schwarze 597: if (tp->viscol == 0) {
598: (*tp->advance)(tp, tp->tcols->offset);
599: tp->viscol = tp->tcols->offset;
600: }
1.52 schwarze 601: if (flags != 0)
602: tbl_direct_border(tp,
603: (spp == NULL ? 0 : BUP * bw) +
604: (spn == NULL ? 0 : BDOWN * bw) +
605: (spp == NULL || cpn == NULL ||
606: cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1);
607:
1.59 schwarze 608: col = tp->tbl.cols;
1.21 schwarze 609: for (;;) {
1.59 schwarze 610: if (cp == NULL)
611: col++;
612: else
613: col = tp->tbl.cols + cp->col;
1.52 schwarze 614:
615: /* Print the horizontal line inside this column. */
616:
617: lw = cpp == NULL || cpn == NULL ||
1.53 schwarze 618: (cpn->pos != TBL_CELL_DOWN &&
1.58 schwarze 619: (dpn == NULL || dpn->string == NULL ||
620: strcmp(dpn->string, "\\^") != 0))
1.53 schwarze 621: ? hw : 0;
1.52 schwarze 622: tbl_direct_border(tp, BHORIZ * lw,
623: col->width + col->spacing / 2);
624:
625: /*
626: * Figure out whether a vertical line is crossing
627: * at the end of this column,
628: * and advance to the next column.
629: */
630:
631: uw = dw = 0;
1.41 schwarze 632: if (cpp != NULL) {
1.52 schwarze 633: if (flags != TBL_OPT_DBOX) {
634: uw = cpp->vert;
635: if (uw == 0 && opts & TBL_OPT_ALLBOX)
636: uw = 1;
637: }
1.41 schwarze 638: cpp = cpp->next;
1.59 schwarze 639: } else if (spp != NULL && opts & TBL_OPT_ALLBOX)
640: uw = 1;
1.57 schwarze 641: if (cp != NULL)
642: cp = cp->next;
1.41 schwarze 643: if (cpn != NULL) {
1.52 schwarze 644: if (flags != TBL_OPT_DBOX) {
645: dw = cpn->vert;
646: if (dw == 0 && opts & TBL_OPT_ALLBOX)
647: dw = 1;
648: }
1.41 schwarze 649: cpn = cpn->next;
1.53 schwarze 650: while (dpn != NULL && dpn->layout != cpn)
651: dpn = dpn->next;
1.59 schwarze 652: } else if (spn != NULL && opts & TBL_OPT_ALLBOX)
653: dw = 1;
654: if (col + 1 == tp->tbl.cols + sp->opts->cols)
1.52 schwarze 655: break;
656:
657: /* Vertical lines do not cross spanned cells. */
658:
659: if (cpp != NULL && cpp->pos == TBL_CELL_SPAN)
660: uw = 0;
661: if (cpn != NULL && cpn->pos == TBL_CELL_SPAN)
662: dw = 0;
663:
664: /* The horizontal line inside the next column. */
665:
666: rw = cpp == NULL || cpn == NULL ||
1.53 schwarze 667: (cpn->pos != TBL_CELL_DOWN &&
1.58 schwarze 668: (dpn == NULL || dpn->string == NULL ||
669: strcmp(dpn->string, "\\^") != 0))
1.53 schwarze 670: ? hw : 0;
1.52 schwarze 671:
672: /* The line crossing at the end of this column. */
673:
1.43 schwarze 674: if (col->spacing)
1.52 schwarze 675: tbl_direct_border(tp, BLEFT * lw +
676: BRIGHT * rw + BUP * uw + BDOWN * dw, 1);
677:
678: /*
679: * In ASCII output, a crossing may print two characters.
680: */
681:
682: if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2))
683: uw = dw = 0;
1.43 schwarze 684: if (col->spacing > 2)
1.52 schwarze 685: tbl_direct_border(tp,
686: BHORIZ * rw + BUP * uw + BDOWN * dw, 1);
687:
688: /* Padding before the start of the next column. */
689:
1.43 schwarze 690: if (col->spacing > 4)
1.52 schwarze 691: tbl_direct_border(tp,
692: BHORIZ * rw, (col->spacing - 3) / 2);
1.11 schwarze 693: }
1.52 schwarze 694:
695: /* Print the right end of the line. */
696:
697: if (flags != 0) {
698: tbl_direct_border(tp,
699: (spp == NULL ? 0 : BUP * bw) +
700: (spn == NULL ? 0 : BDOWN * bw) +
701: (spp == NULL || spn == NULL ||
702: spn->layout->last->pos != TBL_CELL_DOWN ?
703: BLEFT * hw : 0), 1);
1.50 schwarze 704: (*tp->endline)(tp);
705: tp->viscol = 0;
1.11 schwarze 706: }
1.1 schwarze 707: }
708:
709: static void
1.14 schwarze 710: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.41 schwarze 711: const struct tbl_cell *cp, const struct tbl_dat *dp,
712: const struct roffcol *col)
1.1 schwarze 713: {
1.41 schwarze 714: switch (cp->pos) {
715: case TBL_CELL_HORIZ:
1.50 schwarze 716: tbl_fill_border(tp, BHORIZ, col->width);
1.41 schwarze 717: return;
718: case TBL_CELL_DHORIZ:
1.50 schwarze 719: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.41 schwarze 720: return;
721: default:
722: break;
723: }
1.1 schwarze 724:
1.44 schwarze 725: if (dp == NULL)
1.1 schwarze 726: return;
727:
1.5 schwarze 728: switch (dp->pos) {
1.16 schwarze 729: case TBL_DATA_NONE:
1.5 schwarze 730: return;
1.16 schwarze 731: case TBL_DATA_HORIZ:
732: case TBL_DATA_NHORIZ:
1.50 schwarze 733: tbl_fill_border(tp, BHORIZ, col->width);
1.5 schwarze 734: return;
1.16 schwarze 735: case TBL_DATA_NDHORIZ:
736: case TBL_DATA_DHORIZ:
1.50 schwarze 737: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.5 schwarze 738: return;
1.1 schwarze 739: default:
740: break;
741: }
1.16 schwarze 742:
1.41 schwarze 743: switch (cp->pos) {
1.16 schwarze 744: case TBL_CELL_LONG:
745: case TBL_CELL_CENTRE:
746: case TBL_CELL_LEFT:
747: case TBL_CELL_RIGHT:
1.6 schwarze 748: tbl_literal(tp, dp, col);
1.1 schwarze 749: break;
1.16 schwarze 750: case TBL_CELL_NUMBER:
1.14 schwarze 751: tbl_number(tp, opts, dp, col);
1.4 schwarze 752: break;
1.16 schwarze 753: case TBL_CELL_DOWN:
1.44 schwarze 754: case TBL_CELL_SPAN:
1.7 schwarze 755: break;
1.1 schwarze 756: default:
757: abort();
758: }
759: }
760:
761: static void
1.50 schwarze 762: tbl_fill_string(struct termp *tp, const char *cp, size_t len)
763: {
764: size_t i, sz;
765:
766: sz = term_strlen(tp, cp);
767: for (i = 0; i < len; i += sz)
768: term_word(tp, cp);
769: }
770:
771: static void
772: tbl_fill_char(struct termp *tp, char c, size_t len)
1.5 schwarze 773: {
1.50 schwarze 774: char cp[2];
1.1 schwarze 775:
1.5 schwarze 776: cp[0] = c;
777: cp[1] = '\0';
1.50 schwarze 778: tbl_fill_string(tp, cp, len);
779: }
1.1 schwarze 780:
1.50 schwarze 781: static void
782: tbl_fill_border(struct termp *tp, int c, size_t len)
783: {
784: char buf[12];
785:
786: if ((c = borders_locale[c]) > 127) {
787: (void)snprintf(buf, sizeof(buf), "\\[u%04x]", c);
788: tbl_fill_string(tp, buf, len);
789: } else
790: tbl_fill_char(tp, c, len);
791: }
792:
793: static void
794: tbl_direct_border(struct termp *tp, int c, size_t len)
795: {
796: size_t i, sz;
1.1 schwarze 797:
1.50 schwarze 798: c = borders_locale[c];
799: sz = (*tp->width)(tp, c);
800: for (i = 0; i < len; i += sz) {
801: (*tp->letter)(tp, c);
802: tp->viscol += sz;
803: }
1.1 schwarze 804: }
805:
806: static void
1.16 schwarze 807: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.6 schwarze 808: const struct roffcol *col)
1.1 schwarze 809: {
1.24 schwarze 810: size_t len, padl, padr, width;
1.49 schwarze 811: int ic, hspans;
1.1 schwarze 812:
1.7 schwarze 813: assert(dp->string);
1.10 schwarze 814: len = term_strlen(tp, dp->string);
1.12 schwarze 815: width = col->width;
1.24 schwarze 816: ic = dp->layout->col;
1.49 schwarze 817: hspans = dp->hspans;
1.64 schwarze 818: while (hspans--) {
819: width += tp->tbl.cols[ic].spacing;
820: ic++;
821: width += tp->tbl.cols[ic].width;
822: }
1.12 schwarze 823:
824: padr = width > len ? width - len : 0;
1.10 schwarze 825: padl = 0;
1.5 schwarze 826:
1.7 schwarze 827: switch (dp->layout->pos) {
1.16 schwarze 828: case TBL_CELL_LONG:
1.10 schwarze 829: padl = term_len(tp, 1);
830: padr = padr > padl ? padr - padl : 0;
1.1 schwarze 831: break;
1.16 schwarze 832: case TBL_CELL_CENTRE:
1.10 schwarze 833: if (2 > padr)
1.8 schwarze 834: break;
1.10 schwarze 835: padl = padr / 2;
1.8 schwarze 836: padr -= padl;
1.1 schwarze 837: break;
1.16 schwarze 838: case TBL_CELL_RIGHT:
1.10 schwarze 839: padl = padr;
840: padr = 0;
1.1 schwarze 841: break;
842: default:
843: break;
844: }
845:
1.50 schwarze 846: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.17 schwarze 847: tbl_word(tp, dp);
1.50 schwarze 848: tbl_fill_char(tp, ASCII_NBRSP, padr);
1.1 schwarze 849: }
850:
1.5 schwarze 851: static void
1.14 schwarze 852: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.5 schwarze 853: const struct tbl_dat *dp,
1.6 schwarze 854: const struct roffcol *col)
1.5 schwarze 855: {
1.48 schwarze 856: const char *cp, *lastdigit, *lastpoint;
857: size_t intsz, padl, totsz;
1.6 schwarze 858: char buf[2];
1.5 schwarze 859:
860: /*
1.48 schwarze 861: * Almost the same code as in tblcalc_number():
862: * First find the position of the decimal point.
1.5 schwarze 863: */
864:
1.7 schwarze 865: assert(dp->string);
1.48 schwarze 866: lastdigit = lastpoint = NULL;
867: for (cp = dp->string; cp[0] != '\0'; cp++) {
868: if (cp[0] == '\\' && cp[1] == '&') {
869: lastdigit = lastpoint = cp;
870: break;
871: } else if (cp[0] == opts->decimal &&
872: (isdigit((unsigned char)cp[1]) ||
873: (cp > dp->string && isdigit((unsigned char)cp[-1]))))
874: lastpoint = cp;
875: else if (isdigit((unsigned char)cp[0]))
876: lastdigit = cp;
877: }
878:
879: /* Then measure both widths. */
1.5 schwarze 880:
1.48 schwarze 881: padl = 0;
882: totsz = term_strlen(tp, dp->string);
883: if (lastdigit != NULL) {
884: if (lastpoint == NULL)
885: lastpoint = lastdigit + 1;
886: intsz = 0;
887: buf[1] = '\0';
888: for (cp = dp->string; cp < lastpoint; cp++) {
889: buf[0] = cp[0];
890: intsz += term_strlen(tp, buf);
891: }
892:
893: /*
894: * Pad left to match the decimal position,
895: * but avoid exceeding the total column width.
896: */
897:
898: if (col->decimal > intsz && col->width > totsz) {
899: padl = col->decimal - intsz;
900: if (padl + totsz > col->width)
901: padl = col->width - totsz;
902: }
1.5 schwarze 903:
1.48 schwarze 904: /* If it is not a number, simply center the string. */
1.5 schwarze 905:
1.48 schwarze 906: } else if (col->width > totsz)
907: padl = (col->width - totsz) / 2;
908:
1.50 schwarze 909: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.17 schwarze 910: tbl_word(tp, dp);
1.48 schwarze 911:
912: /* Pad right to fill the column. */
913:
914: if (col->width > padl + totsz)
1.50 schwarze 915: tbl_fill_char(tp, ASCII_NBRSP, col->width - padl - totsz);
1.5 schwarze 916: }
1.1 schwarze 917:
1.17 schwarze 918: static void
919: tbl_word(struct termp *tp, const struct tbl_dat *dp)
920: {
1.26 schwarze 921: int prev_font;
1.17 schwarze 922:
1.26 schwarze 923: prev_font = tp->fonti;
1.63 schwarze 924: switch (dp->layout->font) {
925: case ESCAPE_FONTBI:
926: term_fontpush(tp, TERMFONT_BI);
927: break;
928: case ESCAPE_FONTBOLD:
929: case ESCAPE_FONTCB:
930: term_fontpush(tp, TERMFONT_BOLD);
931: break;
932: case ESCAPE_FONTITALIC:
933: case ESCAPE_FONTCI:
934: term_fontpush(tp, TERMFONT_UNDER);
935: break;
936: case ESCAPE_FONTROMAN:
937: case ESCAPE_FONTCR:
938: break;
939: default:
940: abort();
941: }
1.17 schwarze 942:
943: term_word(tp, dp->string);
944:
945: term_fontpopq(tp, prev_font);
946: }
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