Annotation of mandoc/tbl_term.c, Revision 1.70
1.70 ! schwarze 1: /* $Id: tbl_term.c,v 1.69 2019/03/16 21:35:48 schwarze Exp $ */
1.1 kristaps 2: /*
1.20 kristaps 3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.67 schwarze 4: * Copyright (c) 2011-2019 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 *,
1.69 schwarze 49: const struct tbl_span *, const struct tbl_span *,
50: int);
1.27 schwarze 51: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.11 kristaps 52: const struct roffcol *);
1.27 schwarze 53: static void tbl_number(struct termp *, const struct tbl_opts *,
54: const struct tbl_dat *,
1.11 kristaps 55: const struct roffcol *);
1.29 schwarze 56: static void tbl_word(struct termp *, const struct tbl_dat *);
1.11 kristaps 57:
58:
1.62 schwarze 59: /*
60: * The following border-character tables are indexed
61: * by ternary (3-based) numbers, as opposed to binary or decimal.
62: * Each ternary digit describes the line width in one direction:
63: * 0 means no line, 1 single or light line, 2 double or heavy line.
64: */
65:
66: /* Positional values of the four directions. */
67: #define BRIGHT 1
68: #define BDOWN 3
69: #define BLEFT (3 * 3)
70: #define BUP (3 * 3 * 3)
71: #define BHORIZ (BLEFT + BRIGHT)
72:
73: /* Code points to use for each combination of widths. */
74: static const int borders_utf8[81] = {
75: 0x0020, 0x2576, 0x257a, /* 000 right */
76: 0x2577, 0x250c, 0x250d, /* 001 down */
77: 0x257b, 0x250e, 0x250f, /* 002 */
78: 0x2574, 0x2500, 0x257c, /* 010 left */
79: 0x2510, 0x252c, 0x252e, /* 011 left down */
80: 0x2512, 0x2530, 0x2532, /* 012 */
81: 0x2578, 0x257e, 0x2501, /* 020 left */
82: 0x2511, 0x252d, 0x252f, /* 021 left down */
83: 0x2513, 0x2531, 0x2533, /* 022 */
84: 0x2575, 0x2514, 0x2515, /* 100 up */
85: 0x2502, 0x251c, 0x251d, /* 101 up down */
86: 0x257d, 0x251f, 0x2522, /* 102 */
87: 0x2518, 0x2534, 0x2536, /* 110 up left */
88: 0x2524, 0x253c, 0x253e, /* 111 all */
89: 0x2527, 0x2541, 0x2546, /* 112 */
90: 0x2519, 0x2535, 0x2537, /* 120 up left */
91: 0x2525, 0x253d, 0x253f, /* 121 all */
92: 0x252a, 0x2545, 0x2548, /* 122 */
93: 0x2579, 0x2516, 0x2517, /* 200 up */
94: 0x257f, 0x251e, 0x2521, /* 201 up down */
95: 0x2503, 0x2520, 0x2523, /* 202 */
96: 0x251a, 0x2538, 0x253a, /* 210 up left */
97: 0x2526, 0x2540, 0x2544, /* 211 all */
98: 0x2528, 0x2542, 0x254a, /* 212 */
99: 0x251b, 0x2539, 0x253b, /* 220 up left */
100: 0x2529, 0x2543, 0x2547, /* 221 all */
101: 0x252b, 0x2549, 0x254b, /* 222 */
102: };
103:
104: /* ASCII approximations for these code points, compatible with groff. */
105: static const int borders_ascii[81] = {
106: ' ', '-', '=', /* 000 right */
107: '|', '+', '+', /* 001 down */
108: '|', '+', '+', /* 002 */
109: '-', '-', '=', /* 010 left */
110: '+', '+', '+', /* 011 left down */
111: '+', '+', '+', /* 012 */
112: '=', '=', '=', /* 020 left */
113: '+', '+', '+', /* 021 left down */
114: '+', '+', '+', /* 022 */
115: '|', '+', '+', /* 100 up */
116: '|', '+', '+', /* 101 up down */
117: '|', '+', '+', /* 102 */
118: '+', '+', '+', /* 110 up left */
119: '+', '+', '+', /* 111 all */
120: '+', '+', '+', /* 112 */
121: '+', '+', '+', /* 120 up left */
122: '+', '+', '+', /* 121 all */
123: '+', '+', '+', /* 122 */
124: '|', '+', '+', /* 200 up */
125: '|', '+', '+', /* 201 up down */
126: '|', '+', '+', /* 202 */
127: '+', '+', '+', /* 210 up left */
128: '+', '+', '+', /* 211 all */
129: '+', '+', '+', /* 212 */
130: '+', '+', '+', /* 220 up left */
131: '+', '+', '+', /* 221 all */
132: '+', '+', '+', /* 222 */
133: };
134:
135: /* Either of the above according to the selected output encoding. */
136: static const int *borders_locale;
137:
138:
1.11 kristaps 139: static size_t
1.46 schwarze 140: term_tbl_sulen(const struct roffsu *su, void *arg)
141: {
1.57 schwarze 142: int i;
143:
144: i = term_hen((const struct termp *)arg, su);
145: return i > 0 ? i : 0;
1.46 schwarze 146: }
147:
148: static size_t
1.11 kristaps 149: term_tbl_strlen(const char *p, void *arg)
150: {
1.42 schwarze 151: return term_strlen((const struct termp *)arg, p);
1.11 kristaps 152: }
153:
154: static size_t
155: term_tbl_len(size_t sz, void *arg)
156: {
1.42 schwarze 157: return term_len((const struct termp *)arg, sz);
1.11 kristaps 158: }
1.1 kristaps 159:
1.62 schwarze 160:
1.1 kristaps 161: void
162: term_tbl(struct termp *tp, const struct tbl_span *sp)
163: {
1.62 schwarze 164: const struct tbl_cell *cp, *cpn, *cpp, *cps;
1.11 kristaps 165: const struct tbl_dat *dp;
1.34 schwarze 166: static size_t offset;
1.67 schwarze 167: size_t save_offset;
1.47 schwarze 168: size_t coloff, tsz;
1.62 schwarze 169: int hspans, ic, more;
1.68 schwarze 170: int dvert, fc, horiz, lhori, rhori, uvert;
1.39 schwarze 171:
1.4 kristaps 172: /* Inhibit printing of spaces: we do padding ourselves. */
173:
1.47 schwarze 174: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.67 schwarze 175: save_offset = tp->tcol->offset;
1.4 kristaps 176:
177: /*
1.11 kristaps 178: * The first time we're invoked for a given table block,
179: * calculate the table widths and decimal positions.
1.4 kristaps 180: */
181:
1.37 schwarze 182: if (tp->tbl.cols == NULL) {
1.62 schwarze 183: borders_locale = tp->enc == TERMENC_UTF8 ?
184: borders_utf8 : borders_ascii;
185:
1.11 kristaps 186: tp->tbl.len = term_tbl_len;
187: tp->tbl.slen = term_tbl_strlen;
1.46 schwarze 188: tp->tbl.sulen = term_tbl_sulen;
1.11 kristaps 189: tp->tbl.arg = tp;
1.4 kristaps 190:
1.48 schwarze 191: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.54 schwarze 192:
193: /* Tables leak .ta settings to subsequent text. */
194:
195: term_tab_set(tp, NULL);
196: coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
197: sp->opts->lvert;
198: for (ic = 0; ic < sp->opts->cols; ic++) {
199: coloff += tp->tbl.cols[ic].width;
200: term_tab_iset(coloff);
1.55 schwarze 201: coloff += tp->tbl.cols[ic].spacing;
1.54 schwarze 202: }
1.1 kristaps 203:
1.34 schwarze 204: /* Center the table as a whole. */
205:
1.45 schwarze 206: offset = tp->tcol->offset;
1.34 schwarze 207: if (sp->opts->opts & TBL_OPT_CENTRE) {
208: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
209: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.55 schwarze 210: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
211: tsz += tp->tbl.cols[ic].width +
212: tp->tbl.cols[ic].spacing;
213: if (sp->opts->cols)
214: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.45 schwarze 215: if (offset + tsz > tp->tcol->rmargin)
1.34 schwarze 216: tsz -= 1;
1.67 schwarze 217: offset = offset + tp->tcol->rmargin > tsz ?
1.45 schwarze 218: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.67 schwarze 219: tp->tcol->offset = offset;
1.34 schwarze 220: }
221:
1.33 schwarze 222: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 223:
1.62 schwarze 224: if (tp->enc == TERMENC_ASCII &&
225: sp->opts->opts & TBL_OPT_DBOX)
1.69 schwarze 226: tbl_hrule(tp, NULL, sp, sp, TBL_OPT_DBOX);
1.53 schwarze 227: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.69 schwarze 228: tbl_hrule(tp, NULL, sp, sp, TBL_OPT_BOX);
1.21 schwarze 229: }
1.1 kristaps 230:
1.47 schwarze 231: /* Set up the columns. */
1.1 kristaps 232:
1.47 schwarze 233: tp->flags |= TERMP_MULTICOL;
1.67 schwarze 234: tp->tcol->offset = offset;
1.47 schwarze 235: horiz = 0;
236: switch (sp->pos) {
237: case TBL_SPAN_HORIZ:
238: case TBL_SPAN_DHORIZ:
239: horiz = 1;
240: term_setcol(tp, 1);
241: break;
242: case TBL_SPAN_DATA:
243: term_setcol(tp, sp->opts->cols + 2);
244: coloff = tp->tcol->offset;
245:
246: /* Set up a column for a left vertical frame. */
247:
248: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
249: sp->opts->lvert)
250: coloff++;
251: tp->tcol->rmargin = coloff;
1.33 schwarze 252:
1.47 schwarze 253: /* Set up the data columns. */
1.1 kristaps 254:
1.47 schwarze 255: dp = sp->first;
1.61 schwarze 256: hspans = 0;
1.47 schwarze 257: for (ic = 0; ic < sp->opts->cols; ic++) {
1.61 schwarze 258: if (hspans == 0) {
1.47 schwarze 259: tp->tcol++;
260: tp->tcol->offset = coloff;
261: }
262: coloff += tp->tbl.cols[ic].width;
263: tp->tcol->rmargin = coloff;
264: if (ic + 1 < sp->opts->cols)
1.55 schwarze 265: coloff += tp->tbl.cols[ic].spacing;
1.61 schwarze 266: if (hspans) {
267: hspans--;
1.47 schwarze 268: continue;
269: }
270: if (dp == NULL)
271: continue;
1.61 schwarze 272: hspans = dp->hspans;
1.56 schwarze 273: if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
274: dp = dp->next;
1.47 schwarze 275: }
276:
277: /* Set up a column for a right vertical frame. */
278:
279: tp->tcol++;
1.55 schwarze 280: tp->tcol->offset = coloff + 1;
1.53 schwarze 281: tp->tcol->rmargin = tp->maxrmargin;
1.47 schwarze 282:
283: /* Spans may have reduced the number of columns. */
284:
285: tp->lasttcol = tp->tcol - tp->tcols;
286:
287: /* Fill the buffers for all data columns. */
1.4 kristaps 288:
1.47 schwarze 289: tp->tcol = tp->tcols;
1.53 schwarze 290: cp = cpn = sp->layout->first;
1.4 kristaps 291: dp = sp->first;
1.61 schwarze 292: hspans = 0;
1.36 schwarze 293: for (ic = 0; ic < sp->opts->cols; ic++) {
1.53 schwarze 294: if (cpn != NULL) {
295: cp = cpn;
296: cpn = cpn->next;
297: }
1.61 schwarze 298: if (hspans) {
299: hspans--;
1.47 schwarze 300: continue;
301: }
302: tp->tcol++;
303: tp->col = 0;
1.53 schwarze 304: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.47 schwarze 305: if (dp == NULL)
306: continue;
1.61 schwarze 307: hspans = dp->hspans;
1.56 schwarze 308: if (cp->pos != TBL_CELL_SPAN)
309: dp = dp->next;
1.47 schwarze 310: }
311: break;
312: }
313:
314: do {
315: /* Print the vertical frame at the start of each row. */
316:
317: tp->tcol = tp->tcols;
1.62 schwarze 318: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
319: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
320: if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert)
321: uvert = dvert = sp->layout->vert;
322: if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA &&
323: dvert < sp->next->layout->vert)
324: dvert = sp->next->layout->vert;
325: if (sp->prev != NULL && uvert < sp->prev->layout->vert &&
326: (horiz || (IS_HORIZ(sp->layout->first) &&
327: !IS_HORIZ(sp->prev->layout->first))))
328: uvert = sp->prev->layout->vert;
1.68 schwarze 329: rhori = sp->pos == TBL_SPAN_DHORIZ ||
330: (sp->first != NULL && sp->first->pos == TBL_DATA_DHORIZ) ||
1.62 schwarze 331: sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 :
332: sp->pos == TBL_SPAN_HORIZ ||
1.68 schwarze 333: (sp->first != NULL && sp->first->pos == TBL_DATA_HORIZ) ||
1.62 schwarze 334: sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0;
1.68 schwarze 335: fc = BUP * uvert + BDOWN * dvert + BRIGHT * rhori;
1.62 schwarze 336: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) {
1.47 schwarze 337: (*tp->advance)(tp, tp->tcols->offset);
1.62 schwarze 338: tp->viscol = tp->tcol->offset;
339: tbl_direct_border(tp, fc, 1);
1.47 schwarze 340: }
1.22 schwarze 341:
1.47 schwarze 342: /* Print the data cells. */
1.21 schwarze 343:
1.47 schwarze 344: more = 0;
1.62 schwarze 345: if (horiz)
1.69 schwarze 346: tbl_hrule(tp, sp->prev, sp, sp->next, 0);
1.62 schwarze 347: else {
1.47 schwarze 348: cp = sp->layout->first;
1.53 schwarze 349: cpn = sp->next == NULL ? NULL :
350: sp->next->layout->first;
351: cpp = sp->prev == NULL ? NULL :
352: sp->prev->layout->first;
1.47 schwarze 353: dp = sp->first;
1.61 schwarze 354: hspans = 0;
1.47 schwarze 355: for (ic = 0; ic < sp->opts->cols; ic++) {
356:
1.53 schwarze 357: /*
358: * Figure out whether to print a
359: * vertical line after this cell
360: * and advance to next layout cell.
361: */
1.47 schwarze 362:
1.62 schwarze 363: uvert = dvert = fc = 0;
1.47 schwarze 364: if (cp != NULL) {
1.62 schwarze 365: cps = cp;
366: while (cps->next != NULL &&
367: cps->next->pos == TBL_CELL_SPAN)
368: cps = cps->next;
369: if (sp->pos == TBL_SPAN_DATA)
370: uvert = dvert = cps->vert;
1.53 schwarze 371: switch (cp->pos) {
372: case TBL_CELL_HORIZ:
1.62 schwarze 373: fc = BHORIZ;
1.53 schwarze 374: break;
375: case TBL_CELL_DHORIZ:
1.62 schwarze 376: fc = BHORIZ * 2;
1.53 schwarze 377: break;
378: default:
379: break;
380: }
381: }
382: if (cpp != NULL) {
1.62 schwarze 383: if (uvert < cpp->vert &&
1.53 schwarze 384: cp != NULL &&
385: ((IS_HORIZ(cp) &&
386: !IS_HORIZ(cpp)) ||
387: (cp->next != NULL &&
388: cpp->next != NULL &&
389: IS_HORIZ(cp->next) &&
390: !IS_HORIZ(cpp->next))))
1.62 schwarze 391: uvert = cpp->vert;
1.53 schwarze 392: cpp = cpp->next;
393: }
1.62 schwarze 394: if (sp->opts->opts & TBL_OPT_ALLBOX) {
395: if (uvert == 0)
396: uvert = 1;
397: if (dvert == 0)
398: dvert = 1;
399: }
1.53 schwarze 400: if (cpn != NULL) {
1.62 schwarze 401: if (dvert == 0 ||
402: (dvert < cpn->vert &&
403: tp->enc == TERMENC_UTF8))
404: dvert = cpn->vert;
1.53 schwarze 405: cpn = cpn->next;
406: }
1.51 schwarze 407:
1.68 schwarze 408: lhori = (cp != NULL &&
409: cp->pos == TBL_CELL_DHORIZ) ||
410: (dp != NULL &&
411: dp->pos == TBL_DATA_DHORIZ) ? 2 :
412: (cp != NULL &&
413: cp->pos == TBL_CELL_HORIZ) ||
414: (dp != NULL &&
415: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
416:
1.53 schwarze 417: /*
418: * Skip later cells in a span,
419: * figure out whether to start a span,
420: * and advance to next data cell.
421: */
1.51 schwarze 422:
1.61 schwarze 423: if (hspans) {
424: hspans--;
1.62 schwarze 425: cp = cp->next;
1.51 schwarze 426: continue;
427: }
428: if (dp != NULL) {
1.61 schwarze 429: hspans = dp->hspans;
1.56 schwarze 430: if (ic || sp->layout->first->pos
431: != TBL_CELL_SPAN)
432: dp = dp->next;
1.51 schwarze 433: }
434:
1.53 schwarze 435: /*
436: * Print one line of text in the cell
437: * and remember whether there is more.
438: */
1.51 schwarze 439:
440: tp->tcol++;
441: if (tp->tcol->col < tp->tcol->lastcol)
442: term_flushln(tp);
443: if (tp->tcol->col < tp->tcol->lastcol)
444: more = 1;
445:
446: /*
447: * Vertical frames between data cells,
448: * but not after the last column.
449: */
450:
1.63 schwarze 451: if (fc == 0 &&
452: ((uvert == 0 && dvert == 0 &&
453: cp != NULL && (cp->next == NULL ||
1.62 schwarze 454: !IS_HORIZ(cp->next))) ||
1.63 schwarze 455: tp->tcol + 1 ==
456: tp->tcols + tp->lasttcol)) {
457: if (cp != NULL)
458: cp = cp->next;
1.53 schwarze 459: continue;
1.62 schwarze 460: }
1.53 schwarze 461:
1.55 schwarze 462: if (tp->viscol < tp->tcol->rmargin) {
1.53 schwarze 463: (*tp->advance)(tp, tp->tcol->rmargin
464: - tp->viscol);
465: tp->viscol = tp->tcol->rmargin;
466: }
1.55 schwarze 467: while (tp->viscol < tp->tcol->rmargin +
1.62 schwarze 468: tp->tbl.cols[ic].spacing / 2)
1.68 schwarze 469: tbl_direct_border(tp,
470: BHORIZ * lhori, 1);
1.53 schwarze 471:
1.51 schwarze 472: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
473: continue;
1.47 schwarze 474:
1.68 schwarze 475: if (cp != NULL)
1.62 schwarze 476: cp = cp->next;
1.68 schwarze 477:
478: rhori = (cp != NULL &&
479: cp->pos == TBL_CELL_DHORIZ) ||
480: (dp != NULL &&
481: dp->pos == TBL_DATA_DHORIZ) ? 2 :
482: (cp != NULL &&
483: cp->pos == TBL_CELL_HORIZ) ||
484: (dp != NULL &&
485: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
486:
1.62 schwarze 487: if (tp->tbl.cols[ic].spacing)
1.68 schwarze 488: tbl_direct_border(tp,
489: BLEFT * lhori + BRIGHT * rhori +
1.62 schwarze 490: BUP * uvert + BDOWN * dvert, 1);
491:
492: if (tp->enc == TERMENC_UTF8)
493: uvert = dvert = 0;
1.53 schwarze 494:
1.55 schwarze 495: if (tp->tbl.cols[ic].spacing > 2 &&
1.68 schwarze 496: (uvert > 1 || dvert > 1 || rhori))
497: tbl_direct_border(tp,
498: BHORIZ * rhori +
1.62 schwarze 499: BUP * (uvert > 1) +
500: BDOWN * (dvert > 1), 1);
1.47 schwarze 501: }
502: }
1.1 kristaps 503:
1.47 schwarze 504: /* Print the vertical frame at the end of each row. */
1.16 kristaps 505:
1.62 schwarze 506: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
507: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
508: if (sp->pos == TBL_SPAN_DATA &&
509: uvert < sp->layout->last->vert &&
510: sp->layout->last->col + 1 == sp->opts->cols)
511: uvert = dvert = sp->layout->last->vert;
512: if (sp->next != NULL &&
513: dvert < sp->next->layout->last->vert &&
514: sp->next->layout->last->col + 1 == sp->opts->cols)
515: dvert = sp->next->layout->last->vert;
516: if (sp->prev != NULL &&
517: uvert < sp->prev->layout->last->vert &&
518: sp->prev->layout->last->col + 1 == sp->opts->cols &&
519: (horiz || (IS_HORIZ(sp->layout->last) &&
520: !IS_HORIZ(sp->prev->layout->last))))
521: uvert = sp->prev->layout->last->vert;
1.68 schwarze 522: lhori = sp->pos == TBL_SPAN_DHORIZ ||
523: (sp->last != NULL &&
524: sp->last->pos == TBL_DATA_DHORIZ &&
525: sp->last->layout->col + 1 == sp->opts->cols) ||
1.62 schwarze 526: (sp->layout->last->pos == TBL_CELL_DHORIZ &&
527: sp->layout->last->col + 1 == sp->opts->cols) ? 2 :
528: sp->pos == TBL_SPAN_HORIZ ||
1.68 schwarze 529: (sp->last != NULL &&
530: sp->last->pos == TBL_DATA_HORIZ &&
531: sp->last->layout->col + 1 == sp->opts->cols) ||
1.62 schwarze 532: (sp->layout->last->pos == TBL_CELL_HORIZ &&
533: sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0;
1.68 schwarze 534: fc = BUP * uvert + BDOWN * dvert + BLEFT * lhori;
1.62 schwarze 535: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->rvert)) {
1.53 schwarze 536: if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
537: sp->layout->last->col + 1 < sp->opts->cols)) {
1.47 schwarze 538: tp->tcol++;
1.68 schwarze 539: do {
540: tbl_direct_border(tp,
541: BHORIZ * lhori, 1);
542: } while (tp->viscol < tp->tcol->offset);
1.47 schwarze 543: }
1.62 schwarze 544: tbl_direct_border(tp, fc, 1);
1.47 schwarze 545: }
546: (*tp->endline)(tp);
547: tp->viscol = 0;
548: } while (more);
1.1 kristaps 549:
1.4 kristaps 550: /*
1.53 schwarze 551: * Clean up after this row. If it is the last line
552: * of the table, print the box line and clean up
553: * column data; otherwise, print the allbox line.
1.4 kristaps 554: */
555:
1.47 schwarze 556: term_setcol(tp, 1);
557: tp->flags &= ~TERMP_MULTICOL;
558: tp->tcol->rmargin = tp->maxrmargin;
1.37 schwarze 559: if (sp->next == NULL) {
1.33 schwarze 560: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
1.69 schwarze 561: tbl_hrule(tp, sp, sp, NULL, TBL_OPT_BOX);
1.24 schwarze 562: tp->skipvsp = 1;
563: }
1.62 schwarze 564: if (tp->enc == TERMENC_ASCII &&
565: sp->opts->opts & TBL_OPT_DBOX) {
1.69 schwarze 566: tbl_hrule(tp, sp, sp, NULL, TBL_OPT_DBOX);
1.24 schwarze 567: tp->skipvsp = 2;
568: }
1.11 kristaps 569: assert(tp->tbl.cols);
570: free(tp->tbl.cols);
571: tp->tbl.cols = NULL;
1.50 schwarze 572: } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
573: (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
574: sp->next->next != NULL))
1.69 schwarze 575: tbl_hrule(tp, sp, sp, sp->next, TBL_OPT_ALLBOX);
1.49 schwarze 576:
1.67 schwarze 577: tp->tcol->offset = save_offset;
1.47 schwarze 578: tp->flags &= ~TERMP_NONOSPACE;
1.1 kristaps 579: }
580:
581: static void
1.64 schwarze 582: tbl_hrule(struct termp *tp, const struct tbl_span *spp,
1.69 schwarze 583: const struct tbl_span *sp, const struct tbl_span *spn, int flags)
1.1 kristaps 584: {
1.65 schwarze 585: const struct tbl_cell *cpp; /* Layout cell above this line. */
1.69 schwarze 586: const struct tbl_cell *cp; /* Layout cell in this line. */
1.65 schwarze 587: const struct tbl_cell *cpn; /* Layout cell below this line. */
588: const struct tbl_dat *dpn; /* Data cell below this line. */
1.64 schwarze 589: const struct roffcol *col; /* Contains width and spacing. */
590: int opts; /* For the table as a whole. */
591: int bw; /* Box line width. */
592: int hw; /* Horizontal line width. */
593: int lw, rw; /* Left and right line widths. */
594: int uw, dw; /* Vertical line widths. */
595:
596: cpp = spp == NULL ? NULL : spp->layout->first;
1.69 schwarze 597: cp = sp == NULL ? NULL : sp->layout->first;
1.64 schwarze 598: cpn = spn == NULL ? NULL : spn->layout->first;
1.65 schwarze 599: dpn = NULL;
600: if (spn != NULL) {
601: if (spn->pos == TBL_SPAN_DATA)
602: dpn = spn->first;
603: else if (spn->next != NULL)
604: dpn = spn->next->first;
605: }
1.69 schwarze 606: opts = sp->opts->opts;
1.64 schwarze 607: bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
608: opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
609: hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw :
1.69 schwarze 610: sp->pos == TBL_SPAN_DHORIZ ? 2 : 1;
1.64 schwarze 611:
612: /* Print the left end of the line. */
613:
1.62 schwarze 614: if (tp->viscol == 0) {
615: (*tp->advance)(tp, tp->tcols->offset);
616: tp->viscol = tp->tcols->offset;
617: }
1.64 schwarze 618: if (flags != 0)
619: tbl_direct_border(tp,
620: (spp == NULL ? 0 : BUP * bw) +
621: (spn == NULL ? 0 : BDOWN * bw) +
622: (spp == NULL || cpn == NULL ||
623: cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1);
624:
1.33 schwarze 625: for (;;) {
1.69 schwarze 626: col = tp->tbl.cols + cp->col;
1.64 schwarze 627:
628: /* Print the horizontal line inside this column. */
629:
630: lw = cpp == NULL || cpn == NULL ||
1.65 schwarze 631: (cpn->pos != TBL_CELL_DOWN &&
1.70 ! schwarze 632: (dpn == NULL || dpn->string == NULL ||
! 633: strcmp(dpn->string, "\\^") != 0))
1.65 schwarze 634: ? hw : 0;
1.64 schwarze 635: tbl_direct_border(tp, BHORIZ * lw,
636: col->width + col->spacing / 2);
637:
638: /*
639: * Figure out whether a vertical line is crossing
640: * at the end of this column,
641: * and advance to the next column.
642: */
643:
644: uw = dw = 0;
1.53 schwarze 645: if (cpp != NULL) {
1.64 schwarze 646: if (flags != TBL_OPT_DBOX) {
647: uw = cpp->vert;
648: if (uw == 0 && opts & TBL_OPT_ALLBOX)
649: uw = 1;
650: }
1.53 schwarze 651: cpp = cpp->next;
652: }
1.69 schwarze 653: if (cp != NULL)
654: cp = cp->next;
1.53 schwarze 655: if (cpn != NULL) {
1.64 schwarze 656: if (flags != TBL_OPT_DBOX) {
657: dw = cpn->vert;
658: if (dw == 0 && opts & TBL_OPT_ALLBOX)
659: dw = 1;
660: }
1.53 schwarze 661: cpn = cpn->next;
1.65 schwarze 662: while (dpn != NULL && dpn->layout != cpn)
663: dpn = dpn->next;
1.33 schwarze 664: }
1.69 schwarze 665: if (cpp == NULL && cp == NULL && cpn == NULL)
1.64 schwarze 666: break;
667:
668: /* Vertical lines do not cross spanned cells. */
669:
670: if (cpp != NULL && cpp->pos == TBL_CELL_SPAN)
671: uw = 0;
672: if (cpn != NULL && cpn->pos == TBL_CELL_SPAN)
673: dw = 0;
674:
675: /* The horizontal line inside the next column. */
676:
677: rw = cpp == NULL || cpn == NULL ||
1.65 schwarze 678: (cpn->pos != TBL_CELL_DOWN &&
1.70 ! schwarze 679: (dpn == NULL || dpn->string == NULL ||
! 680: strcmp(dpn->string, "\\^") != 0))
1.65 schwarze 681: ? hw : 0;
1.64 schwarze 682:
683: /* The line crossing at the end of this column. */
684:
1.55 schwarze 685: if (col->spacing)
1.64 schwarze 686: tbl_direct_border(tp, BLEFT * lw +
687: BRIGHT * rw + BUP * uw + BDOWN * dw, 1);
688:
689: /*
690: * In ASCII output, a crossing may print two characters.
691: */
692:
693: if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2))
694: uw = dw = 0;
1.55 schwarze 695: if (col->spacing > 2)
1.64 schwarze 696: tbl_direct_border(tp,
697: BHORIZ * rw + BUP * uw + BDOWN * dw, 1);
698:
699: /* Padding before the start of the next column. */
700:
1.55 schwarze 701: if (col->spacing > 4)
1.64 schwarze 702: tbl_direct_border(tp,
703: BHORIZ * rw, (col->spacing - 3) / 2);
1.22 schwarze 704: }
1.64 schwarze 705:
706: /* Print the right end of the line. */
707:
708: if (flags != 0) {
709: tbl_direct_border(tp,
710: (spp == NULL ? 0 : BUP * bw) +
711: (spn == NULL ? 0 : BDOWN * bw) +
712: (spp == NULL || spn == NULL ||
713: spn->layout->last->pos != TBL_CELL_DOWN ?
714: BLEFT * hw : 0), 1);
1.62 schwarze 715: (*tp->endline)(tp);
716: tp->viscol = 0;
1.22 schwarze 717: }
1.1 kristaps 718: }
719:
720: static void
1.25 schwarze 721: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.53 schwarze 722: const struct tbl_cell *cp, const struct tbl_dat *dp,
723: const struct roffcol *col)
1.1 kristaps 724: {
1.53 schwarze 725: switch (cp->pos) {
726: case TBL_CELL_HORIZ:
1.62 schwarze 727: tbl_fill_border(tp, BHORIZ, col->width);
1.53 schwarze 728: return;
729: case TBL_CELL_DHORIZ:
1.62 schwarze 730: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.53 schwarze 731: return;
732: default:
733: break;
734: }
1.1 kristaps 735:
1.56 schwarze 736: if (dp == NULL)
1.1 kristaps 737: return;
738:
739: switch (dp->pos) {
1.27 schwarze 740: case TBL_DATA_NONE:
1.10 kristaps 741: return;
1.27 schwarze 742: case TBL_DATA_HORIZ:
743: case TBL_DATA_NHORIZ:
1.62 schwarze 744: tbl_fill_border(tp, BHORIZ, col->width);
1.7 kristaps 745: return;
1.27 schwarze 746: case TBL_DATA_NDHORIZ:
747: case TBL_DATA_DHORIZ:
1.62 schwarze 748: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.1 kristaps 749: return;
750: default:
751: break;
752: }
1.27 schwarze 753:
1.53 schwarze 754: switch (cp->pos) {
1.27 schwarze 755: case TBL_CELL_LONG:
756: case TBL_CELL_CENTRE:
757: case TBL_CELL_LEFT:
758: case TBL_CELL_RIGHT:
1.11 kristaps 759: tbl_literal(tp, dp, col);
1.1 kristaps 760: break;
1.27 schwarze 761: case TBL_CELL_NUMBER:
1.25 schwarze 762: tbl_number(tp, opts, dp, col);
1.18 kristaps 763: break;
1.27 schwarze 764: case TBL_CELL_DOWN:
1.56 schwarze 765: case TBL_CELL_SPAN:
1.1 kristaps 766: break;
767: default:
768: abort();
769: }
770: }
771:
772: static void
1.62 schwarze 773: tbl_fill_string(struct termp *tp, const char *cp, size_t len)
774: {
775: size_t i, sz;
776:
777: sz = term_strlen(tp, cp);
778: for (i = 0; i < len; i += sz)
779: term_word(tp, cp);
780: }
781:
782: static void
783: tbl_fill_char(struct termp *tp, char c, size_t len)
1.1 kristaps 784: {
1.62 schwarze 785: char cp[2];
1.12 kristaps 786:
787: cp[0] = c;
788: cp[1] = '\0';
1.62 schwarze 789: tbl_fill_string(tp, cp, len);
790: }
1.1 kristaps 791:
1.62 schwarze 792: static void
793: tbl_fill_border(struct termp *tp, int c, size_t len)
794: {
795: char buf[12];
796:
797: if ((c = borders_locale[c]) > 127) {
798: (void)snprintf(buf, sizeof(buf), "\\[u%04x]", c);
799: tbl_fill_string(tp, buf, len);
800: } else
801: tbl_fill_char(tp, c, len);
802: }
803:
804: static void
805: tbl_direct_border(struct termp *tp, int c, size_t len)
806: {
807: size_t i, sz;
1.3 kristaps 808:
1.62 schwarze 809: c = borders_locale[c];
810: sz = (*tp->width)(tp, c);
811: for (i = 0; i < len; i += sz) {
812: (*tp->letter)(tp, c);
813: tp->viscol += sz;
814: }
1.1 kristaps 815: }
816:
817: static void
1.27 schwarze 818: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.11 kristaps 819: const struct roffcol *col)
1.1 kristaps 820: {
1.36 schwarze 821: size_t len, padl, padr, width;
1.61 schwarze 822: int ic, hspans;
1.1 kristaps 823:
1.17 kristaps 824: assert(dp->string);
1.21 schwarze 825: len = term_strlen(tp, dp->string);
1.23 schwarze 826: width = col->width;
1.36 schwarze 827: ic = dp->layout->col;
1.61 schwarze 828: hspans = dp->hspans;
829: while (hspans--)
1.36 schwarze 830: width += tp->tbl.cols[++ic].width + 3;
1.23 schwarze 831:
832: padr = width > len ? width - len : 0;
1.21 schwarze 833: padl = 0;
1.1 kristaps 834:
1.16 kristaps 835: switch (dp->layout->pos) {
1.27 schwarze 836: case TBL_CELL_LONG:
1.21 schwarze 837: padl = term_len(tp, 1);
838: padr = padr > padl ? padr - padl : 0;
1.1 kristaps 839: break;
1.27 schwarze 840: case TBL_CELL_CENTRE:
1.21 schwarze 841: if (2 > padr)
1.19 schwarze 842: break;
1.21 schwarze 843: padl = padr / 2;
1.19 schwarze 844: padr -= padl;
1.1 kristaps 845: break;
1.27 schwarze 846: case TBL_CELL_RIGHT:
1.21 schwarze 847: padl = padr;
848: padr = 0;
1.1 kristaps 849: break;
850: default:
851: break;
852: }
853:
1.62 schwarze 854: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 855: tbl_word(tp, dp);
1.62 schwarze 856: tbl_fill_char(tp, ASCII_NBRSP, padr);
1.1 kristaps 857: }
858:
859: static void
1.25 schwarze 860: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.2 kristaps 861: const struct tbl_dat *dp,
1.11 kristaps 862: const struct roffcol *col)
1.1 kristaps 863: {
1.60 schwarze 864: const char *cp, *lastdigit, *lastpoint;
865: size_t intsz, padl, totsz;
1.11 kristaps 866: char buf[2];
1.1 kristaps 867:
868: /*
1.60 schwarze 869: * Almost the same code as in tblcalc_number():
870: * First find the position of the decimal point.
1.1 kristaps 871: */
872:
1.17 kristaps 873: assert(dp->string);
1.60 schwarze 874: lastdigit = lastpoint = NULL;
875: for (cp = dp->string; cp[0] != '\0'; cp++) {
876: if (cp[0] == '\\' && cp[1] == '&') {
877: lastdigit = lastpoint = cp;
878: break;
879: } else if (cp[0] == opts->decimal &&
880: (isdigit((unsigned char)cp[1]) ||
881: (cp > dp->string && isdigit((unsigned char)cp[-1]))))
882: lastpoint = cp;
883: else if (isdigit((unsigned char)cp[0]))
884: lastdigit = cp;
885: }
886:
887: /* Then measure both widths. */
1.2 kristaps 888:
1.60 schwarze 889: padl = 0;
890: totsz = term_strlen(tp, dp->string);
891: if (lastdigit != NULL) {
892: if (lastpoint == NULL)
893: lastpoint = lastdigit + 1;
894: intsz = 0;
895: buf[1] = '\0';
896: for (cp = dp->string; cp < lastpoint; cp++) {
897: buf[0] = cp[0];
898: intsz += term_strlen(tp, buf);
899: }
900:
901: /*
902: * Pad left to match the decimal position,
903: * but avoid exceeding the total column width.
904: */
905:
906: if (col->decimal > intsz && col->width > totsz) {
907: padl = col->decimal - intsz;
908: if (padl + totsz > col->width)
909: padl = col->width - totsz;
910: }
1.2 kristaps 911:
1.60 schwarze 912: /* If it is not a number, simply center the string. */
1.2 kristaps 913:
1.60 schwarze 914: } else if (col->width > totsz)
915: padl = (col->width - totsz) / 2;
916:
1.62 schwarze 917: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 918: tbl_word(tp, dp);
1.60 schwarze 919:
920: /* Pad right to fill the column. */
921:
922: if (col->width > padl + totsz)
1.62 schwarze 923: tbl_fill_char(tp, ASCII_NBRSP, col->width - padl - totsz);
1.2 kristaps 924: }
925:
1.29 schwarze 926: static void
927: tbl_word(struct termp *tp, const struct tbl_dat *dp)
928: {
1.38 schwarze 929: int prev_font;
1.29 schwarze 930:
1.38 schwarze 931: prev_font = tp->fonti;
1.29 schwarze 932: if (dp->layout->flags & TBL_CELL_BOLD)
933: term_fontpush(tp, TERMFONT_BOLD);
934: else if (dp->layout->flags & TBL_CELL_ITALIC)
935: term_fontpush(tp, TERMFONT_UNDER);
936:
937: term_word(tp, dp->string);
938:
939: term_fontpopq(tp, prev_font);
940: }
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