Annotation of mandoc/tbl_term.c, Revision 1.66
1.66 ! schwarze 1: /* $Id: tbl_term.c,v 1.65 2018/11/29 23:08:13 schwarze Exp $ */
1.1 kristaps 2: /*
1.20 kristaps 3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.58 schwarze 4: * Copyright (c) 2011-2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 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"
1.28 schwarze 19:
20: #include <sys/types.h>
1.1 kristaps 21:
22: #include <assert.h>
1.60 schwarze 23: #include <ctype.h>
1.1 kristaps 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
28: #include "mandoc.h"
1.66 ! schwarze 29: #include "tbl.h"
1.1 kristaps 30: #include "out.h"
31: #include "term.h"
32:
1.53 schwarze 33: #define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
34: (cp)->pos == TBL_CELL_DHORIZ)
35:
1.62 schwarze 36:
1.11 kristaps 37: static size_t term_tbl_len(size_t, void *);
38: static size_t term_tbl_strlen(const char *, void *);
1.46 schwarze 39: static size_t term_tbl_sulen(const struct roffsu *, void *);
1.25 schwarze 40: static void tbl_data(struct termp *, const struct tbl_opts *,
1.53 schwarze 41: const struct tbl_cell *,
1.27 schwarze 42: const struct tbl_dat *,
1.11 kristaps 43: const struct roffcol *);
1.62 schwarze 44: static void tbl_direct_border(struct termp *, int, size_t);
45: static void tbl_fill_border(struct termp *, int, size_t);
46: static void tbl_fill_char(struct termp *, char, size_t);
47: static void tbl_fill_string(struct termp *, const char *, size_t);
1.64 schwarze 48: static void tbl_hrule(struct termp *, const struct tbl_span *,
49: const struct tbl_span *, int);
1.27 schwarze 50: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.11 kristaps 51: const struct roffcol *);
1.27 schwarze 52: static void tbl_number(struct termp *, const struct tbl_opts *,
53: const struct tbl_dat *,
1.11 kristaps 54: const struct roffcol *);
1.29 schwarze 55: static void tbl_word(struct termp *, const struct tbl_dat *);
1.11 kristaps 56:
57:
1.62 schwarze 58: /*
59: * The following border-character tables are indexed
60: * by ternary (3-based) numbers, as opposed to binary or decimal.
61: * Each ternary digit describes the line width in one direction:
62: * 0 means no line, 1 single or light line, 2 double or heavy line.
63: */
64:
65: /* Positional values of the four directions. */
66: #define BRIGHT 1
67: #define BDOWN 3
68: #define BLEFT (3 * 3)
69: #define BUP (3 * 3 * 3)
70: #define BHORIZ (BLEFT + BRIGHT)
71:
72: /* Code points to use for each combination of widths. */
73: static const int borders_utf8[81] = {
74: 0x0020, 0x2576, 0x257a, /* 000 right */
75: 0x2577, 0x250c, 0x250d, /* 001 down */
76: 0x257b, 0x250e, 0x250f, /* 002 */
77: 0x2574, 0x2500, 0x257c, /* 010 left */
78: 0x2510, 0x252c, 0x252e, /* 011 left down */
79: 0x2512, 0x2530, 0x2532, /* 012 */
80: 0x2578, 0x257e, 0x2501, /* 020 left */
81: 0x2511, 0x252d, 0x252f, /* 021 left down */
82: 0x2513, 0x2531, 0x2533, /* 022 */
83: 0x2575, 0x2514, 0x2515, /* 100 up */
84: 0x2502, 0x251c, 0x251d, /* 101 up down */
85: 0x257d, 0x251f, 0x2522, /* 102 */
86: 0x2518, 0x2534, 0x2536, /* 110 up left */
87: 0x2524, 0x253c, 0x253e, /* 111 all */
88: 0x2527, 0x2541, 0x2546, /* 112 */
89: 0x2519, 0x2535, 0x2537, /* 120 up left */
90: 0x2525, 0x253d, 0x253f, /* 121 all */
91: 0x252a, 0x2545, 0x2548, /* 122 */
92: 0x2579, 0x2516, 0x2517, /* 200 up */
93: 0x257f, 0x251e, 0x2521, /* 201 up down */
94: 0x2503, 0x2520, 0x2523, /* 202 */
95: 0x251a, 0x2538, 0x253a, /* 210 up left */
96: 0x2526, 0x2540, 0x2544, /* 211 all */
97: 0x2528, 0x2542, 0x254a, /* 212 */
98: 0x251b, 0x2539, 0x253b, /* 220 up left */
99: 0x2529, 0x2543, 0x2547, /* 221 all */
100: 0x252b, 0x2549, 0x254b, /* 222 */
101: };
102:
103: /* ASCII approximations for these code points, compatible with groff. */
104: static const int borders_ascii[81] = {
105: ' ', '-', '=', /* 000 right */
106: '|', '+', '+', /* 001 down */
107: '|', '+', '+', /* 002 */
108: '-', '-', '=', /* 010 left */
109: '+', '+', '+', /* 011 left down */
110: '+', '+', '+', /* 012 */
111: '=', '=', '=', /* 020 left */
112: '+', '+', '+', /* 021 left down */
113: '+', '+', '+', /* 022 */
114: '|', '+', '+', /* 100 up */
115: '|', '+', '+', /* 101 up down */
116: '|', '+', '+', /* 102 */
117: '+', '+', '+', /* 110 up left */
118: '+', '+', '+', /* 111 all */
119: '+', '+', '+', /* 112 */
120: '+', '+', '+', /* 120 up left */
121: '+', '+', '+', /* 121 all */
122: '+', '+', '+', /* 122 */
123: '|', '+', '+', /* 200 up */
124: '|', '+', '+', /* 201 up down */
125: '|', '+', '+', /* 202 */
126: '+', '+', '+', /* 210 up left */
127: '+', '+', '+', /* 211 all */
128: '+', '+', '+', /* 212 */
129: '+', '+', '+', /* 220 up left */
130: '+', '+', '+', /* 221 all */
131: '+', '+', '+', /* 222 */
132: };
133:
134: /* Either of the above according to the selected output encoding. */
135: static const int *borders_locale;
136:
137:
1.11 kristaps 138: static size_t
1.46 schwarze 139: term_tbl_sulen(const struct roffsu *su, void *arg)
140: {
1.57 schwarze 141: int i;
142:
143: i = term_hen((const struct termp *)arg, su);
144: return i > 0 ? i : 0;
1.46 schwarze 145: }
146:
147: static size_t
1.11 kristaps 148: term_tbl_strlen(const char *p, void *arg)
149: {
1.42 schwarze 150: return term_strlen((const struct termp *)arg, p);
1.11 kristaps 151: }
152:
153: static size_t
154: term_tbl_len(size_t sz, void *arg)
155: {
1.42 schwarze 156: return term_len((const struct termp *)arg, sz);
1.11 kristaps 157: }
1.1 kristaps 158:
1.62 schwarze 159:
1.1 kristaps 160: void
161: term_tbl(struct termp *tp, const struct tbl_span *sp)
162: {
1.62 schwarze 163: const struct tbl_cell *cp, *cpn, *cpp, *cps;
1.11 kristaps 164: const struct tbl_dat *dp;
1.34 schwarze 165: static size_t offset;
1.47 schwarze 166: size_t coloff, tsz;
1.62 schwarze 167: int hspans, ic, more;
168: int dvert, fc, horiz, line, uvert;
1.39 schwarze 169:
1.4 kristaps 170: /* Inhibit printing of spaces: we do padding ourselves. */
171:
1.47 schwarze 172: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.4 kristaps 173:
174: /*
1.11 kristaps 175: * The first time we're invoked for a given table block,
176: * calculate the table widths and decimal positions.
1.4 kristaps 177: */
178:
1.37 schwarze 179: if (tp->tbl.cols == NULL) {
1.62 schwarze 180: borders_locale = tp->enc == TERMENC_UTF8 ?
181: borders_utf8 : borders_ascii;
182:
1.11 kristaps 183: tp->tbl.len = term_tbl_len;
184: tp->tbl.slen = term_tbl_strlen;
1.46 schwarze 185: tp->tbl.sulen = term_tbl_sulen;
1.11 kristaps 186: tp->tbl.arg = tp;
1.4 kristaps 187:
1.48 schwarze 188: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.54 schwarze 189:
190: /* Tables leak .ta settings to subsequent text. */
191:
192: term_tab_set(tp, NULL);
193: coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
194: sp->opts->lvert;
195: for (ic = 0; ic < sp->opts->cols; ic++) {
196: coloff += tp->tbl.cols[ic].width;
197: term_tab_iset(coloff);
1.55 schwarze 198: coloff += tp->tbl.cols[ic].spacing;
1.54 schwarze 199: }
1.1 kristaps 200:
1.34 schwarze 201: /* Center the table as a whole. */
202:
1.45 schwarze 203: offset = tp->tcol->offset;
1.34 schwarze 204: if (sp->opts->opts & TBL_OPT_CENTRE) {
205: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
206: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.55 schwarze 207: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
208: tsz += tp->tbl.cols[ic].width +
209: tp->tbl.cols[ic].spacing;
210: if (sp->opts->cols)
211: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.45 schwarze 212: if (offset + tsz > tp->tcol->rmargin)
1.34 schwarze 213: tsz -= 1;
1.45 schwarze 214: tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
215: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.34 schwarze 216: }
217:
1.33 schwarze 218: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 219:
1.62 schwarze 220: if (tp->enc == TERMENC_ASCII &&
221: sp->opts->opts & TBL_OPT_DBOX)
1.64 schwarze 222: tbl_hrule(tp, NULL, sp, TBL_OPT_DBOX);
1.53 schwarze 223: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.64 schwarze 224: tbl_hrule(tp, NULL, sp, TBL_OPT_BOX);
1.21 schwarze 225: }
1.1 kristaps 226:
1.47 schwarze 227: /* Set up the columns. */
1.1 kristaps 228:
1.47 schwarze 229: tp->flags |= TERMP_MULTICOL;
230: horiz = 0;
231: switch (sp->pos) {
232: case TBL_SPAN_HORIZ:
233: case TBL_SPAN_DHORIZ:
234: horiz = 1;
235: term_setcol(tp, 1);
236: break;
237: case TBL_SPAN_DATA:
238: term_setcol(tp, sp->opts->cols + 2);
239: coloff = tp->tcol->offset;
240:
241: /* Set up a column for a left vertical frame. */
242:
243: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
244: sp->opts->lvert)
245: coloff++;
246: tp->tcol->rmargin = coloff;
1.33 schwarze 247:
1.47 schwarze 248: /* Set up the data columns. */
1.1 kristaps 249:
1.47 schwarze 250: dp = sp->first;
1.61 schwarze 251: hspans = 0;
1.47 schwarze 252: for (ic = 0; ic < sp->opts->cols; ic++) {
1.61 schwarze 253: if (hspans == 0) {
1.47 schwarze 254: tp->tcol++;
255: tp->tcol->offset = coloff;
256: }
257: coloff += tp->tbl.cols[ic].width;
258: tp->tcol->rmargin = coloff;
259: if (ic + 1 < sp->opts->cols)
1.55 schwarze 260: coloff += tp->tbl.cols[ic].spacing;
1.61 schwarze 261: if (hspans) {
262: hspans--;
1.47 schwarze 263: continue;
264: }
265: if (dp == NULL)
266: continue;
1.61 schwarze 267: hspans = dp->hspans;
1.56 schwarze 268: if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
269: dp = dp->next;
1.47 schwarze 270: }
271:
272: /* Set up a column for a right vertical frame. */
273:
274: tp->tcol++;
1.55 schwarze 275: tp->tcol->offset = coloff + 1;
1.53 schwarze 276: tp->tcol->rmargin = tp->maxrmargin;
1.47 schwarze 277:
278: /* Spans may have reduced the number of columns. */
279:
280: tp->lasttcol = tp->tcol - tp->tcols;
281:
282: /* Fill the buffers for all data columns. */
1.4 kristaps 283:
1.47 schwarze 284: tp->tcol = tp->tcols;
1.53 schwarze 285: cp = cpn = sp->layout->first;
1.4 kristaps 286: dp = sp->first;
1.61 schwarze 287: hspans = 0;
1.36 schwarze 288: for (ic = 0; ic < sp->opts->cols; ic++) {
1.53 schwarze 289: if (cpn != NULL) {
290: cp = cpn;
291: cpn = cpn->next;
292: }
1.61 schwarze 293: if (hspans) {
294: hspans--;
1.47 schwarze 295: continue;
296: }
297: tp->tcol++;
298: tp->col = 0;
1.53 schwarze 299: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.47 schwarze 300: if (dp == NULL)
301: continue;
1.61 schwarze 302: hspans = dp->hspans;
1.56 schwarze 303: if (cp->pos != TBL_CELL_SPAN)
304: dp = dp->next;
1.47 schwarze 305: }
306: break;
307: }
308:
309: do {
310: /* Print the vertical frame at the start of each row. */
311:
312: tp->tcol = tp->tcols;
1.62 schwarze 313: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
314: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
315: if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert)
316: uvert = dvert = sp->layout->vert;
317: if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA &&
318: dvert < sp->next->layout->vert)
319: dvert = sp->next->layout->vert;
320: if (sp->prev != NULL && uvert < sp->prev->layout->vert &&
321: (horiz || (IS_HORIZ(sp->layout->first) &&
322: !IS_HORIZ(sp->prev->layout->first))))
323: uvert = sp->prev->layout->vert;
324: line = sp->pos == TBL_SPAN_DHORIZ ||
325: sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 :
326: sp->pos == TBL_SPAN_HORIZ ||
327: sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0;
328: fc = BUP * uvert + BDOWN * dvert + BRIGHT * line;
329: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) {
1.47 schwarze 330: (*tp->advance)(tp, tp->tcols->offset);
1.62 schwarze 331: tp->viscol = tp->tcol->offset;
332: tbl_direct_border(tp, fc, 1);
1.47 schwarze 333: }
1.22 schwarze 334:
1.47 schwarze 335: /* Print the data cells. */
1.21 schwarze 336:
1.47 schwarze 337: more = 0;
1.62 schwarze 338: if (horiz)
1.64 schwarze 339: tbl_hrule(tp, sp->prev, sp, 0);
1.62 schwarze 340: else {
1.47 schwarze 341: cp = sp->layout->first;
1.53 schwarze 342: cpn = sp->next == NULL ? NULL :
343: sp->next->layout->first;
344: cpp = sp->prev == NULL ? NULL :
345: sp->prev->layout->first;
1.47 schwarze 346: dp = sp->first;
1.61 schwarze 347: hspans = 0;
1.47 schwarze 348: for (ic = 0; ic < sp->opts->cols; ic++) {
349:
1.53 schwarze 350: /*
351: * Figure out whether to print a
352: * vertical line after this cell
353: * and advance to next layout cell.
354: */
1.47 schwarze 355:
1.62 schwarze 356: uvert = dvert = fc = 0;
1.47 schwarze 357: if (cp != NULL) {
1.62 schwarze 358: cps = cp;
359: while (cps->next != NULL &&
360: cps->next->pos == TBL_CELL_SPAN)
361: cps = cps->next;
362: if (sp->pos == TBL_SPAN_DATA)
363: uvert = dvert = cps->vert;
1.53 schwarze 364: switch (cp->pos) {
365: case TBL_CELL_HORIZ:
1.62 schwarze 366: fc = BHORIZ;
1.53 schwarze 367: break;
368: case TBL_CELL_DHORIZ:
1.62 schwarze 369: fc = BHORIZ * 2;
1.53 schwarze 370: break;
371: default:
372: break;
373: }
374: }
375: if (cpp != NULL) {
1.62 schwarze 376: if (uvert < cpp->vert &&
1.53 schwarze 377: cp != NULL &&
378: ((IS_HORIZ(cp) &&
379: !IS_HORIZ(cpp)) ||
380: (cp->next != NULL &&
381: cpp->next != NULL &&
382: IS_HORIZ(cp->next) &&
383: !IS_HORIZ(cpp->next))))
1.62 schwarze 384: uvert = cpp->vert;
1.53 schwarze 385: cpp = cpp->next;
386: }
1.62 schwarze 387: if (sp->opts->opts & TBL_OPT_ALLBOX) {
388: if (uvert == 0)
389: uvert = 1;
390: if (dvert == 0)
391: dvert = 1;
392: }
1.53 schwarze 393: if (cpn != NULL) {
1.62 schwarze 394: if (dvert == 0 ||
395: (dvert < cpn->vert &&
396: tp->enc == TERMENC_UTF8))
397: dvert = cpn->vert;
1.53 schwarze 398: cpn = cpn->next;
399: }
1.51 schwarze 400:
1.53 schwarze 401: /*
402: * Skip later cells in a span,
403: * figure out whether to start a span,
404: * and advance to next data cell.
405: */
1.51 schwarze 406:
1.61 schwarze 407: if (hspans) {
408: hspans--;
1.62 schwarze 409: cp = cp->next;
1.51 schwarze 410: continue;
411: }
412: if (dp != NULL) {
1.61 schwarze 413: hspans = dp->hspans;
1.56 schwarze 414: if (ic || sp->layout->first->pos
415: != TBL_CELL_SPAN)
416: dp = dp->next;
1.51 schwarze 417: }
418:
1.53 schwarze 419: /*
420: * Print one line of text in the cell
421: * and remember whether there is more.
422: */
1.51 schwarze 423:
424: tp->tcol++;
425: if (tp->tcol->col < tp->tcol->lastcol)
426: term_flushln(tp);
427: if (tp->tcol->col < tp->tcol->lastcol)
428: more = 1;
429:
430: /*
431: * Vertical frames between data cells,
432: * but not after the last column.
433: */
434:
1.63 schwarze 435: if (fc == 0 &&
436: ((uvert == 0 && dvert == 0 &&
437: cp != NULL && (cp->next == NULL ||
1.62 schwarze 438: !IS_HORIZ(cp->next))) ||
1.63 schwarze 439: tp->tcol + 1 ==
440: tp->tcols + tp->lasttcol)) {
441: if (cp != NULL)
442: cp = cp->next;
1.53 schwarze 443: continue;
1.62 schwarze 444: }
1.53 schwarze 445:
1.55 schwarze 446: if (tp->viscol < tp->tcol->rmargin) {
1.53 schwarze 447: (*tp->advance)(tp, tp->tcol->rmargin
448: - tp->viscol);
449: tp->viscol = tp->tcol->rmargin;
450: }
1.55 schwarze 451: while (tp->viscol < tp->tcol->rmargin +
1.62 schwarze 452: tp->tbl.cols[ic].spacing / 2)
453: tbl_direct_border(tp, fc, 1);
1.53 schwarze 454:
1.51 schwarze 455: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
456: continue;
1.47 schwarze 457:
1.62 schwarze 458: if (cp != NULL) {
1.53 schwarze 459: switch (cp->pos) {
460: case TBL_CELL_HORIZ:
1.62 schwarze 461: fc = BLEFT;
1.53 schwarze 462: break;
463: case TBL_CELL_DHORIZ:
1.62 schwarze 464: fc = BLEFT * 2;
1.53 schwarze 465: break;
466: default:
1.62 schwarze 467: fc = 0;
1.53 schwarze 468: break;
469: }
1.62 schwarze 470: cp = cp->next;
1.53 schwarze 471: }
1.62 schwarze 472: if (cp != NULL) {
473: switch (cp->pos) {
474: case TBL_CELL_HORIZ:
475: fc += BRIGHT;
476: break;
477: case TBL_CELL_DHORIZ:
478: fc += BRIGHT * 2;
479: break;
480: default:
481: break;
482: }
1.55 schwarze 483: }
1.62 schwarze 484: if (tp->tbl.cols[ic].spacing)
485: tbl_direct_border(tp, fc +
486: BUP * uvert + BDOWN * dvert, 1);
487:
488: if (tp->enc == TERMENC_UTF8)
489: uvert = dvert = 0;
1.53 schwarze 490:
1.62 schwarze 491: if (fc != 0) {
1.53 schwarze 492: if (cp != NULL &&
493: cp->pos == TBL_CELL_HORIZ)
1.62 schwarze 494: fc = BHORIZ;
1.53 schwarze 495: else if (cp != NULL &&
496: cp->pos == TBL_CELL_DHORIZ)
1.62 schwarze 497: fc = BHORIZ * 2;
1.53 schwarze 498: else
1.62 schwarze 499: fc = 0;
1.47 schwarze 500: }
1.55 schwarze 501: if (tp->tbl.cols[ic].spacing > 2 &&
1.62 schwarze 502: (uvert > 1 || dvert > 1 || fc != 0))
503: tbl_direct_border(tp, fc +
504: BUP * (uvert > 1) +
505: BDOWN * (dvert > 1), 1);
1.47 schwarze 506: }
507: }
1.1 kristaps 508:
1.47 schwarze 509: /* Print the vertical frame at the end of each row. */
1.16 kristaps 510:
1.62 schwarze 511: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
512: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
513: if (sp->pos == TBL_SPAN_DATA &&
514: uvert < sp->layout->last->vert &&
515: sp->layout->last->col + 1 == sp->opts->cols)
516: uvert = dvert = sp->layout->last->vert;
517: if (sp->next != NULL &&
518: dvert < sp->next->layout->last->vert &&
519: sp->next->layout->last->col + 1 == sp->opts->cols)
520: dvert = sp->next->layout->last->vert;
521: if (sp->prev != NULL &&
522: uvert < sp->prev->layout->last->vert &&
523: sp->prev->layout->last->col + 1 == sp->opts->cols &&
524: (horiz || (IS_HORIZ(sp->layout->last) &&
525: !IS_HORIZ(sp->prev->layout->last))))
526: uvert = sp->prev->layout->last->vert;
527: line = sp->pos == TBL_SPAN_DHORIZ ||
528: (sp->layout->last->pos == TBL_CELL_DHORIZ &&
529: sp->layout->last->col + 1 == sp->opts->cols) ? 2 :
530: sp->pos == TBL_SPAN_HORIZ ||
531: (sp->layout->last->pos == TBL_CELL_HORIZ &&
532: sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0;
533: fc = BUP * uvert + BDOWN * dvert + BLEFT * line;
534: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->rvert)) {
1.53 schwarze 535: if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
536: sp->layout->last->col + 1 < sp->opts->cols)) {
1.47 schwarze 537: tp->tcol++;
538: (*tp->advance)(tp,
539: tp->tcol->offset > tp->viscol ?
540: tp->tcol->offset - tp->viscol : 1);
541: }
1.62 schwarze 542: tbl_direct_border(tp, fc, 1);
1.47 schwarze 543: }
544: (*tp->endline)(tp);
545: tp->viscol = 0;
546: } while (more);
1.1 kristaps 547:
1.4 kristaps 548: /*
1.53 schwarze 549: * Clean up after this row. If it is the last line
550: * of the table, print the box line and clean up
551: * column data; otherwise, print the allbox line.
1.4 kristaps 552: */
553:
1.47 schwarze 554: term_setcol(tp, 1);
555: tp->flags &= ~TERMP_MULTICOL;
556: tp->tcol->rmargin = tp->maxrmargin;
1.37 schwarze 557: if (sp->next == NULL) {
1.33 schwarze 558: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
1.64 schwarze 559: tbl_hrule(tp, sp, NULL, TBL_OPT_BOX);
1.24 schwarze 560: tp->skipvsp = 1;
561: }
1.62 schwarze 562: if (tp->enc == TERMENC_ASCII &&
563: sp->opts->opts & TBL_OPT_DBOX) {
1.64 schwarze 564: tbl_hrule(tp, sp, NULL, TBL_OPT_DBOX);
1.24 schwarze 565: tp->skipvsp = 2;
566: }
1.11 kristaps 567: assert(tp->tbl.cols);
568: free(tp->tbl.cols);
569: tp->tbl.cols = NULL;
1.45 schwarze 570: tp->tcol->offset = offset;
1.50 schwarze 571: } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
572: (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
573: sp->next->next != NULL))
1.64 schwarze 574: tbl_hrule(tp, sp, sp->next, TBL_OPT_ALLBOX);
1.49 schwarze 575:
1.47 schwarze 576: tp->flags &= ~TERMP_NONOSPACE;
1.1 kristaps 577: }
578:
579: static void
1.64 schwarze 580: tbl_hrule(struct termp *tp, const struct tbl_span *spp,
581: const struct tbl_span *spn, int flags)
1.1 kristaps 582: {
1.65 schwarze 583: const struct tbl_cell *cpp; /* Layout cell above this line. */
584: const struct tbl_cell *cpn; /* Layout cell below this line. */
585: const struct tbl_dat *dpn; /* Data cell below this line. */
1.64 schwarze 586: const struct roffcol *col; /* Contains width and spacing. */
587: int opts; /* For the table as a whole. */
588: int bw; /* Box line width. */
589: int hw; /* Horizontal line width. */
590: int lw, rw; /* Left and right line widths. */
591: int uw, dw; /* Vertical line widths. */
592:
593: cpp = spp == NULL ? NULL : spp->layout->first;
594: cpn = spn == NULL ? NULL : spn->layout->first;
1.65 schwarze 595: dpn = NULL;
596: if (spn != NULL) {
597: if (spn->pos == TBL_SPAN_DATA)
598: dpn = spn->first;
599: else if (spn->next != NULL)
600: dpn = spn->next->first;
601: }
1.64 schwarze 602: opts = spn == NULL ? spp->opts->opts : spn->opts->opts;
603: bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
604: opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
605: hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw :
606: spn->pos == TBL_SPAN_DHORIZ ? 2 : 1;
607:
608: /* Print the left end of the line. */
609:
1.62 schwarze 610: if (tp->viscol == 0) {
611: (*tp->advance)(tp, tp->tcols->offset);
612: tp->viscol = tp->tcols->offset;
613: }
1.64 schwarze 614: if (flags != 0)
615: tbl_direct_border(tp,
616: (spp == NULL ? 0 : BUP * bw) +
617: (spn == NULL ? 0 : BDOWN * bw) +
618: (spp == NULL || cpn == NULL ||
619: cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1);
620:
1.33 schwarze 621: for (;;) {
1.64 schwarze 622: col = tp->tbl.cols + (cpn == NULL ? cpp->col : cpn->col);
623:
624: /* Print the horizontal line inside this column. */
625:
626: lw = cpp == NULL || cpn == NULL ||
1.65 schwarze 627: (cpn->pos != TBL_CELL_DOWN &&
628: (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
629: ? hw : 0;
1.64 schwarze 630: tbl_direct_border(tp, BHORIZ * lw,
631: col->width + col->spacing / 2);
632:
633: /*
634: * Figure out whether a vertical line is crossing
635: * at the end of this column,
636: * and advance to the next column.
637: */
638:
639: uw = dw = 0;
1.53 schwarze 640: if (cpp != NULL) {
1.64 schwarze 641: if (flags != TBL_OPT_DBOX) {
642: uw = cpp->vert;
643: if (uw == 0 && opts & TBL_OPT_ALLBOX)
644: uw = 1;
645: }
1.53 schwarze 646: cpp = cpp->next;
647: }
648: if (cpn != NULL) {
1.64 schwarze 649: if (flags != TBL_OPT_DBOX) {
650: dw = cpn->vert;
651: if (dw == 0 && opts & TBL_OPT_ALLBOX)
652: dw = 1;
653: }
1.53 schwarze 654: cpn = cpn->next;
1.65 schwarze 655: while (dpn != NULL && dpn->layout != cpn)
656: dpn = dpn->next;
1.33 schwarze 657: }
1.64 schwarze 658: if (cpp == NULL && cpn == NULL)
659: break;
660:
661: /* Vertical lines do not cross spanned cells. */
662:
663: if (cpp != NULL && cpp->pos == TBL_CELL_SPAN)
664: uw = 0;
665: if (cpn != NULL && cpn->pos == TBL_CELL_SPAN)
666: dw = 0;
667:
668: /* The horizontal line inside the next column. */
669:
670: rw = cpp == NULL || cpn == NULL ||
1.65 schwarze 671: (cpn->pos != TBL_CELL_DOWN &&
672: (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
673: ? hw : 0;
1.64 schwarze 674:
675: /* The line crossing at the end of this column. */
676:
1.55 schwarze 677: if (col->spacing)
1.64 schwarze 678: tbl_direct_border(tp, BLEFT * lw +
679: BRIGHT * rw + BUP * uw + BDOWN * dw, 1);
680:
681: /*
682: * In ASCII output, a crossing may print two characters.
683: */
684:
685: if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2))
686: uw = dw = 0;
1.55 schwarze 687: if (col->spacing > 2)
1.64 schwarze 688: tbl_direct_border(tp,
689: BHORIZ * rw + BUP * uw + BDOWN * dw, 1);
690:
691: /* Padding before the start of the next column. */
692:
1.55 schwarze 693: if (col->spacing > 4)
1.64 schwarze 694: tbl_direct_border(tp,
695: BHORIZ * rw, (col->spacing - 3) / 2);
1.22 schwarze 696: }
1.64 schwarze 697:
698: /* Print the right end of the line. */
699:
700: if (flags != 0) {
701: tbl_direct_border(tp,
702: (spp == NULL ? 0 : BUP * bw) +
703: (spn == NULL ? 0 : BDOWN * bw) +
704: (spp == NULL || spn == NULL ||
705: spn->layout->last->pos != TBL_CELL_DOWN ?
706: BLEFT * hw : 0), 1);
1.62 schwarze 707: (*tp->endline)(tp);
708: tp->viscol = 0;
1.22 schwarze 709: }
1.1 kristaps 710: }
711:
712: static void
1.25 schwarze 713: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.53 schwarze 714: const struct tbl_cell *cp, const struct tbl_dat *dp,
715: const struct roffcol *col)
1.1 kristaps 716: {
1.53 schwarze 717: switch (cp->pos) {
718: case TBL_CELL_HORIZ:
1.62 schwarze 719: tbl_fill_border(tp, BHORIZ, col->width);
1.53 schwarze 720: return;
721: case TBL_CELL_DHORIZ:
1.62 schwarze 722: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.53 schwarze 723: return;
724: default:
725: break;
726: }
1.1 kristaps 727:
1.56 schwarze 728: if (dp == NULL)
1.1 kristaps 729: return;
730:
731: switch (dp->pos) {
1.27 schwarze 732: case TBL_DATA_NONE:
1.10 kristaps 733: return;
1.27 schwarze 734: case TBL_DATA_HORIZ:
735: case TBL_DATA_NHORIZ:
1.62 schwarze 736: tbl_fill_border(tp, BHORIZ, col->width);
1.7 kristaps 737: return;
1.27 schwarze 738: case TBL_DATA_NDHORIZ:
739: case TBL_DATA_DHORIZ:
1.62 schwarze 740: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.1 kristaps 741: return;
742: default:
743: break;
744: }
1.27 schwarze 745:
1.53 schwarze 746: switch (cp->pos) {
1.27 schwarze 747: case TBL_CELL_LONG:
748: case TBL_CELL_CENTRE:
749: case TBL_CELL_LEFT:
750: case TBL_CELL_RIGHT:
1.11 kristaps 751: tbl_literal(tp, dp, col);
1.1 kristaps 752: break;
1.27 schwarze 753: case TBL_CELL_NUMBER:
1.25 schwarze 754: tbl_number(tp, opts, dp, col);
1.18 kristaps 755: break;
1.27 schwarze 756: case TBL_CELL_DOWN:
1.56 schwarze 757: case TBL_CELL_SPAN:
1.1 kristaps 758: break;
759: default:
760: abort();
761: }
762: }
763:
764: static void
1.62 schwarze 765: tbl_fill_string(struct termp *tp, const char *cp, size_t len)
766: {
767: size_t i, sz;
768:
769: sz = term_strlen(tp, cp);
770: for (i = 0; i < len; i += sz)
771: term_word(tp, cp);
772: }
773:
774: static void
775: tbl_fill_char(struct termp *tp, char c, size_t len)
1.1 kristaps 776: {
1.62 schwarze 777: char cp[2];
1.12 kristaps 778:
779: cp[0] = c;
780: cp[1] = '\0';
1.62 schwarze 781: tbl_fill_string(tp, cp, len);
782: }
1.1 kristaps 783:
1.62 schwarze 784: static void
785: tbl_fill_border(struct termp *tp, int c, size_t len)
786: {
787: char buf[12];
788:
789: if ((c = borders_locale[c]) > 127) {
790: (void)snprintf(buf, sizeof(buf), "\\[u%04x]", c);
791: tbl_fill_string(tp, buf, len);
792: } else
793: tbl_fill_char(tp, c, len);
794: }
795:
796: static void
797: tbl_direct_border(struct termp *tp, int c, size_t len)
798: {
799: size_t i, sz;
1.3 kristaps 800:
1.62 schwarze 801: c = borders_locale[c];
802: sz = (*tp->width)(tp, c);
803: for (i = 0; i < len; i += sz) {
804: (*tp->letter)(tp, c);
805: tp->viscol += sz;
806: }
1.1 kristaps 807: }
808:
809: static void
1.27 schwarze 810: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.11 kristaps 811: const struct roffcol *col)
1.1 kristaps 812: {
1.36 schwarze 813: size_t len, padl, padr, width;
1.61 schwarze 814: int ic, hspans;
1.1 kristaps 815:
1.17 kristaps 816: assert(dp->string);
1.21 schwarze 817: len = term_strlen(tp, dp->string);
1.23 schwarze 818: width = col->width;
1.36 schwarze 819: ic = dp->layout->col;
1.61 schwarze 820: hspans = dp->hspans;
821: while (hspans--)
1.36 schwarze 822: width += tp->tbl.cols[++ic].width + 3;
1.23 schwarze 823:
824: padr = width > len ? width - len : 0;
1.21 schwarze 825: padl = 0;
1.1 kristaps 826:
1.16 kristaps 827: switch (dp->layout->pos) {
1.27 schwarze 828: case TBL_CELL_LONG:
1.21 schwarze 829: padl = term_len(tp, 1);
830: padr = padr > padl ? padr - padl : 0;
1.1 kristaps 831: break;
1.27 schwarze 832: case TBL_CELL_CENTRE:
1.21 schwarze 833: if (2 > padr)
1.19 schwarze 834: break;
1.21 schwarze 835: padl = padr / 2;
1.19 schwarze 836: padr -= padl;
1.1 kristaps 837: break;
1.27 schwarze 838: case TBL_CELL_RIGHT:
1.21 schwarze 839: padl = padr;
840: padr = 0;
1.1 kristaps 841: break;
842: default:
843: break;
844: }
845:
1.62 schwarze 846: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 847: tbl_word(tp, dp);
1.62 schwarze 848: tbl_fill_char(tp, ASCII_NBRSP, padr);
1.1 kristaps 849: }
850:
851: static void
1.25 schwarze 852: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.2 kristaps 853: const struct tbl_dat *dp,
1.11 kristaps 854: const struct roffcol *col)
1.1 kristaps 855: {
1.60 schwarze 856: const char *cp, *lastdigit, *lastpoint;
857: size_t intsz, padl, totsz;
1.11 kristaps 858: char buf[2];
1.1 kristaps 859:
860: /*
1.60 schwarze 861: * Almost the same code as in tblcalc_number():
862: * First find the position of the decimal point.
1.1 kristaps 863: */
864:
1.17 kristaps 865: assert(dp->string);
1.60 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. */
1.2 kristaps 880:
1.60 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: }
1.2 kristaps 903:
1.60 schwarze 904: /* If it is not a number, simply center the string. */
1.2 kristaps 905:
1.60 schwarze 906: } else if (col->width > totsz)
907: padl = (col->width - totsz) / 2;
908:
1.62 schwarze 909: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 910: tbl_word(tp, dp);
1.60 schwarze 911:
912: /* Pad right to fill the column. */
913:
914: if (col->width > padl + totsz)
1.62 schwarze 915: tbl_fill_char(tp, ASCII_NBRSP, col->width - padl - totsz);
1.2 kristaps 916: }
917:
1.29 schwarze 918: static void
919: tbl_word(struct termp *tp, const struct tbl_dat *dp)
920: {
1.38 schwarze 921: int prev_font;
1.29 schwarze 922:
1.38 schwarze 923: prev_font = tp->fonti;
1.29 schwarze 924: if (dp->layout->flags & TBL_CELL_BOLD)
925: term_fontpush(tp, TERMFONT_BOLD);
926: else if (dp->layout->flags & TBL_CELL_ITALIC)
927: term_fontpush(tp, TERMFONT_UNDER);
928:
929: term_word(tp, dp->string);
930:
931: term_fontpopq(tp, prev_font);
932: }
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