Annotation of mandoc/tbl_term.c, Revision 1.68
1.68 ! schwarze 1: /* $Id: tbl_term.c,v 1.67 2019/01/31 16:06:22 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 *,
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;
1.67 schwarze 166: size_t save_offset;
1.47 schwarze 167: size_t coloff, tsz;
1.62 schwarze 168: int hspans, ic, more;
1.68 ! schwarze 169: int dvert, fc, horiz, lhori, rhori, uvert;
1.39 schwarze 170:
1.4 kristaps 171: /* Inhibit printing of spaces: we do padding ourselves. */
172:
1.47 schwarze 173: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.67 schwarze 174: save_offset = tp->tcol->offset;
1.4 kristaps 175:
176: /*
1.11 kristaps 177: * The first time we're invoked for a given table block,
178: * calculate the table widths and decimal positions.
1.4 kristaps 179: */
180:
1.37 schwarze 181: if (tp->tbl.cols == NULL) {
1.62 schwarze 182: borders_locale = tp->enc == TERMENC_UTF8 ?
183: borders_utf8 : borders_ascii;
184:
1.11 kristaps 185: tp->tbl.len = term_tbl_len;
186: tp->tbl.slen = term_tbl_strlen;
1.46 schwarze 187: tp->tbl.sulen = term_tbl_sulen;
1.11 kristaps 188: tp->tbl.arg = tp;
1.4 kristaps 189:
1.48 schwarze 190: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.54 schwarze 191:
192: /* Tables leak .ta settings to subsequent text. */
193:
194: term_tab_set(tp, NULL);
195: coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
196: sp->opts->lvert;
197: for (ic = 0; ic < sp->opts->cols; ic++) {
198: coloff += tp->tbl.cols[ic].width;
199: term_tab_iset(coloff);
1.55 schwarze 200: coloff += tp->tbl.cols[ic].spacing;
1.54 schwarze 201: }
1.1 kristaps 202:
1.34 schwarze 203: /* Center the table as a whole. */
204:
1.45 schwarze 205: offset = tp->tcol->offset;
1.34 schwarze 206: if (sp->opts->opts & TBL_OPT_CENTRE) {
207: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
208: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.55 schwarze 209: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
210: tsz += tp->tbl.cols[ic].width +
211: tp->tbl.cols[ic].spacing;
212: if (sp->opts->cols)
213: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.45 schwarze 214: if (offset + tsz > tp->tcol->rmargin)
1.34 schwarze 215: tsz -= 1;
1.67 schwarze 216: offset = offset + tp->tcol->rmargin > tsz ?
1.45 schwarze 217: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.67 schwarze 218: tp->tcol->offset = offset;
1.34 schwarze 219: }
220:
1.33 schwarze 221: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 222:
1.62 schwarze 223: if (tp->enc == TERMENC_ASCII &&
224: sp->opts->opts & TBL_OPT_DBOX)
1.64 schwarze 225: tbl_hrule(tp, NULL, sp, TBL_OPT_DBOX);
1.53 schwarze 226: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.64 schwarze 227: tbl_hrule(tp, NULL, sp, TBL_OPT_BOX);
1.21 schwarze 228: }
1.1 kristaps 229:
1.47 schwarze 230: /* Set up the columns. */
1.1 kristaps 231:
1.47 schwarze 232: tp->flags |= TERMP_MULTICOL;
1.67 schwarze 233: tp->tcol->offset = offset;
1.47 schwarze 234: horiz = 0;
235: switch (sp->pos) {
236: case TBL_SPAN_HORIZ:
237: case TBL_SPAN_DHORIZ:
238: horiz = 1;
239: term_setcol(tp, 1);
240: break;
241: case TBL_SPAN_DATA:
242: term_setcol(tp, sp->opts->cols + 2);
243: coloff = tp->tcol->offset;
244:
245: /* Set up a column for a left vertical frame. */
246:
247: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
248: sp->opts->lvert)
249: coloff++;
250: tp->tcol->rmargin = coloff;
1.33 schwarze 251:
1.47 schwarze 252: /* Set up the data columns. */
1.1 kristaps 253:
1.47 schwarze 254: dp = sp->first;
1.61 schwarze 255: hspans = 0;
1.47 schwarze 256: for (ic = 0; ic < sp->opts->cols; ic++) {
1.61 schwarze 257: if (hspans == 0) {
1.47 schwarze 258: tp->tcol++;
259: tp->tcol->offset = coloff;
260: }
261: coloff += tp->tbl.cols[ic].width;
262: tp->tcol->rmargin = coloff;
263: if (ic + 1 < sp->opts->cols)
1.55 schwarze 264: coloff += tp->tbl.cols[ic].spacing;
1.61 schwarze 265: if (hspans) {
266: hspans--;
1.47 schwarze 267: continue;
268: }
269: if (dp == NULL)
270: continue;
1.61 schwarze 271: hspans = dp->hspans;
1.56 schwarze 272: if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
273: dp = dp->next;
1.47 schwarze 274: }
275:
276: /* Set up a column for a right vertical frame. */
277:
278: tp->tcol++;
1.55 schwarze 279: tp->tcol->offset = coloff + 1;
1.53 schwarze 280: tp->tcol->rmargin = tp->maxrmargin;
1.47 schwarze 281:
282: /* Spans may have reduced the number of columns. */
283:
284: tp->lasttcol = tp->tcol - tp->tcols;
285:
286: /* Fill the buffers for all data columns. */
1.4 kristaps 287:
1.47 schwarze 288: tp->tcol = tp->tcols;
1.53 schwarze 289: cp = cpn = sp->layout->first;
1.4 kristaps 290: dp = sp->first;
1.61 schwarze 291: hspans = 0;
1.36 schwarze 292: for (ic = 0; ic < sp->opts->cols; ic++) {
1.53 schwarze 293: if (cpn != NULL) {
294: cp = cpn;
295: cpn = cpn->next;
296: }
1.61 schwarze 297: if (hspans) {
298: hspans--;
1.47 schwarze 299: continue;
300: }
301: tp->tcol++;
302: tp->col = 0;
1.53 schwarze 303: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.47 schwarze 304: if (dp == NULL)
305: continue;
1.61 schwarze 306: hspans = dp->hspans;
1.56 schwarze 307: if (cp->pos != TBL_CELL_SPAN)
308: dp = dp->next;
1.47 schwarze 309: }
310: break;
311: }
312:
313: do {
314: /* Print the vertical frame at the start of each row. */
315:
316: tp->tcol = tp->tcols;
1.62 schwarze 317: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
318: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
319: if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert)
320: uvert = dvert = sp->layout->vert;
321: if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA &&
322: dvert < sp->next->layout->vert)
323: dvert = sp->next->layout->vert;
324: if (sp->prev != NULL && uvert < sp->prev->layout->vert &&
325: (horiz || (IS_HORIZ(sp->layout->first) &&
326: !IS_HORIZ(sp->prev->layout->first))))
327: uvert = sp->prev->layout->vert;
1.68 ! schwarze 328: rhori = sp->pos == TBL_SPAN_DHORIZ ||
! 329: (sp->first != NULL && sp->first->pos == TBL_DATA_DHORIZ) ||
1.62 schwarze 330: sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 :
331: sp->pos == TBL_SPAN_HORIZ ||
1.68 ! schwarze 332: (sp->first != NULL && sp->first->pos == TBL_DATA_HORIZ) ||
1.62 schwarze 333: sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0;
1.68 ! schwarze 334: fc = BUP * uvert + BDOWN * dvert + BRIGHT * rhori;
1.62 schwarze 335: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) {
1.47 schwarze 336: (*tp->advance)(tp, tp->tcols->offset);
1.62 schwarze 337: tp->viscol = tp->tcol->offset;
338: tbl_direct_border(tp, fc, 1);
1.47 schwarze 339: }
1.22 schwarze 340:
1.47 schwarze 341: /* Print the data cells. */
1.21 schwarze 342:
1.47 schwarze 343: more = 0;
1.62 schwarze 344: if (horiz)
1.64 schwarze 345: tbl_hrule(tp, sp->prev, sp, 0);
1.62 schwarze 346: else {
1.47 schwarze 347: cp = sp->layout->first;
1.53 schwarze 348: cpn = sp->next == NULL ? NULL :
349: sp->next->layout->first;
350: cpp = sp->prev == NULL ? NULL :
351: sp->prev->layout->first;
1.47 schwarze 352: dp = sp->first;
1.61 schwarze 353: hspans = 0;
1.47 schwarze 354: for (ic = 0; ic < sp->opts->cols; ic++) {
355:
1.53 schwarze 356: /*
357: * Figure out whether to print a
358: * vertical line after this cell
359: * and advance to next layout cell.
360: */
1.47 schwarze 361:
1.62 schwarze 362: uvert = dvert = fc = 0;
1.47 schwarze 363: if (cp != NULL) {
1.62 schwarze 364: cps = cp;
365: while (cps->next != NULL &&
366: cps->next->pos == TBL_CELL_SPAN)
367: cps = cps->next;
368: if (sp->pos == TBL_SPAN_DATA)
369: uvert = dvert = cps->vert;
1.53 schwarze 370: switch (cp->pos) {
371: case TBL_CELL_HORIZ:
1.62 schwarze 372: fc = BHORIZ;
1.53 schwarze 373: break;
374: case TBL_CELL_DHORIZ:
1.62 schwarze 375: fc = BHORIZ * 2;
1.53 schwarze 376: break;
377: default:
378: break;
379: }
380: }
381: if (cpp != NULL) {
1.62 schwarze 382: if (uvert < cpp->vert &&
1.53 schwarze 383: cp != NULL &&
384: ((IS_HORIZ(cp) &&
385: !IS_HORIZ(cpp)) ||
386: (cp->next != NULL &&
387: cpp->next != NULL &&
388: IS_HORIZ(cp->next) &&
389: !IS_HORIZ(cpp->next))))
1.62 schwarze 390: uvert = cpp->vert;
1.53 schwarze 391: cpp = cpp->next;
392: }
1.62 schwarze 393: if (sp->opts->opts & TBL_OPT_ALLBOX) {
394: if (uvert == 0)
395: uvert = 1;
396: if (dvert == 0)
397: dvert = 1;
398: }
1.53 schwarze 399: if (cpn != NULL) {
1.62 schwarze 400: if (dvert == 0 ||
401: (dvert < cpn->vert &&
402: tp->enc == TERMENC_UTF8))
403: dvert = cpn->vert;
1.53 schwarze 404: cpn = cpn->next;
405: }
1.51 schwarze 406:
1.68 ! schwarze 407: lhori = (cp != NULL &&
! 408: cp->pos == TBL_CELL_DHORIZ) ||
! 409: (dp != NULL &&
! 410: dp->pos == TBL_DATA_DHORIZ) ? 2 :
! 411: (cp != NULL &&
! 412: cp->pos == TBL_CELL_HORIZ) ||
! 413: (dp != NULL &&
! 414: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
! 415:
1.53 schwarze 416: /*
417: * Skip later cells in a span,
418: * figure out whether to start a span,
419: * and advance to next data cell.
420: */
1.51 schwarze 421:
1.61 schwarze 422: if (hspans) {
423: hspans--;
1.62 schwarze 424: cp = cp->next;
1.51 schwarze 425: continue;
426: }
427: if (dp != NULL) {
1.61 schwarze 428: hspans = dp->hspans;
1.56 schwarze 429: if (ic || sp->layout->first->pos
430: != TBL_CELL_SPAN)
431: dp = dp->next;
1.51 schwarze 432: }
433:
1.53 schwarze 434: /*
435: * Print one line of text in the cell
436: * and remember whether there is more.
437: */
1.51 schwarze 438:
439: tp->tcol++;
440: if (tp->tcol->col < tp->tcol->lastcol)
441: term_flushln(tp);
442: if (tp->tcol->col < tp->tcol->lastcol)
443: more = 1;
444:
445: /*
446: * Vertical frames between data cells,
447: * but not after the last column.
448: */
449:
1.63 schwarze 450: if (fc == 0 &&
451: ((uvert == 0 && dvert == 0 &&
452: cp != NULL && (cp->next == NULL ||
1.62 schwarze 453: !IS_HORIZ(cp->next))) ||
1.63 schwarze 454: tp->tcol + 1 ==
455: tp->tcols + tp->lasttcol)) {
456: if (cp != NULL)
457: cp = cp->next;
1.53 schwarze 458: continue;
1.62 schwarze 459: }
1.53 schwarze 460:
1.55 schwarze 461: if (tp->viscol < tp->tcol->rmargin) {
1.53 schwarze 462: (*tp->advance)(tp, tp->tcol->rmargin
463: - tp->viscol);
464: tp->viscol = tp->tcol->rmargin;
465: }
1.55 schwarze 466: while (tp->viscol < tp->tcol->rmargin +
1.62 schwarze 467: tp->tbl.cols[ic].spacing / 2)
1.68 ! schwarze 468: tbl_direct_border(tp,
! 469: BHORIZ * lhori, 1);
1.53 schwarze 470:
1.51 schwarze 471: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
472: continue;
1.47 schwarze 473:
1.68 ! schwarze 474: if (cp != NULL)
1.62 schwarze 475: cp = cp->next;
1.68 ! schwarze 476:
! 477: rhori = (cp != NULL &&
! 478: cp->pos == TBL_CELL_DHORIZ) ||
! 479: (dp != NULL &&
! 480: dp->pos == TBL_DATA_DHORIZ) ? 2 :
! 481: (cp != NULL &&
! 482: cp->pos == TBL_CELL_HORIZ) ||
! 483: (dp != NULL &&
! 484: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
! 485:
1.62 schwarze 486: if (tp->tbl.cols[ic].spacing)
1.68 ! schwarze 487: tbl_direct_border(tp,
! 488: BLEFT * lhori + BRIGHT * rhori +
1.62 schwarze 489: BUP * uvert + BDOWN * dvert, 1);
490:
491: if (tp->enc == TERMENC_UTF8)
492: uvert = dvert = 0;
1.53 schwarze 493:
1.55 schwarze 494: if (tp->tbl.cols[ic].spacing > 2 &&
1.68 ! schwarze 495: (uvert > 1 || dvert > 1 || rhori))
! 496: tbl_direct_border(tp,
! 497: BHORIZ * rhori +
1.62 schwarze 498: BUP * (uvert > 1) +
499: BDOWN * (dvert > 1), 1);
1.47 schwarze 500: }
501: }
1.1 kristaps 502:
1.47 schwarze 503: /* Print the vertical frame at the end of each row. */
1.16 kristaps 504:
1.62 schwarze 505: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
506: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
507: if (sp->pos == TBL_SPAN_DATA &&
508: uvert < sp->layout->last->vert &&
509: sp->layout->last->col + 1 == sp->opts->cols)
510: uvert = dvert = sp->layout->last->vert;
511: if (sp->next != NULL &&
512: dvert < sp->next->layout->last->vert &&
513: sp->next->layout->last->col + 1 == sp->opts->cols)
514: dvert = sp->next->layout->last->vert;
515: if (sp->prev != NULL &&
516: uvert < sp->prev->layout->last->vert &&
517: sp->prev->layout->last->col + 1 == sp->opts->cols &&
518: (horiz || (IS_HORIZ(sp->layout->last) &&
519: !IS_HORIZ(sp->prev->layout->last))))
520: uvert = sp->prev->layout->last->vert;
1.68 ! schwarze 521: lhori = sp->pos == TBL_SPAN_DHORIZ ||
! 522: (sp->last != NULL &&
! 523: sp->last->pos == TBL_DATA_DHORIZ &&
! 524: sp->last->layout->col + 1 == sp->opts->cols) ||
1.62 schwarze 525: (sp->layout->last->pos == TBL_CELL_DHORIZ &&
526: sp->layout->last->col + 1 == sp->opts->cols) ? 2 :
527: sp->pos == TBL_SPAN_HORIZ ||
1.68 ! schwarze 528: (sp->last != NULL &&
! 529: sp->last->pos == TBL_DATA_HORIZ &&
! 530: sp->last->layout->col + 1 == sp->opts->cols) ||
1.62 schwarze 531: (sp->layout->last->pos == TBL_CELL_HORIZ &&
532: sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0;
1.68 ! schwarze 533: fc = BUP * uvert + BDOWN * dvert + BLEFT * lhori;
1.62 schwarze 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++;
1.68 ! schwarze 538: do {
! 539: tbl_direct_border(tp,
! 540: BHORIZ * lhori, 1);
! 541: } while (tp->viscol < tp->tcol->offset);
1.47 schwarze 542: }
1.62 schwarze 543: tbl_direct_border(tp, fc, 1);
1.47 schwarze 544: }
545: (*tp->endline)(tp);
546: tp->viscol = 0;
547: } while (more);
1.1 kristaps 548:
1.4 kristaps 549: /*
1.53 schwarze 550: * Clean up after this row. If it is the last line
551: * of the table, print the box line and clean up
552: * column data; otherwise, print the allbox line.
1.4 kristaps 553: */
554:
1.47 schwarze 555: term_setcol(tp, 1);
556: tp->flags &= ~TERMP_MULTICOL;
557: tp->tcol->rmargin = tp->maxrmargin;
1.37 schwarze 558: if (sp->next == NULL) {
1.33 schwarze 559: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
1.64 schwarze 560: tbl_hrule(tp, sp, NULL, TBL_OPT_BOX);
1.24 schwarze 561: tp->skipvsp = 1;
562: }
1.62 schwarze 563: if (tp->enc == TERMENC_ASCII &&
564: sp->opts->opts & TBL_OPT_DBOX) {
1.64 schwarze 565: tbl_hrule(tp, sp, NULL, TBL_OPT_DBOX);
1.24 schwarze 566: tp->skipvsp = 2;
567: }
1.11 kristaps 568: assert(tp->tbl.cols);
569: free(tp->tbl.cols);
570: tp->tbl.cols = NULL;
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:
1.67 schwarze 576: tp->tcol->offset = save_offset;
1.47 schwarze 577: tp->flags &= ~TERMP_NONOSPACE;
1.1 kristaps 578: }
579:
580: static void
1.64 schwarze 581: tbl_hrule(struct termp *tp, const struct tbl_span *spp,
582: const struct tbl_span *spn, int flags)
1.1 kristaps 583: {
1.65 schwarze 584: const struct tbl_cell *cpp; /* Layout cell above this line. */
585: const struct tbl_cell *cpn; /* Layout cell below this line. */
586: const struct tbl_dat *dpn; /* Data cell below this line. */
1.64 schwarze 587: const struct roffcol *col; /* Contains width and spacing. */
588: int opts; /* For the table as a whole. */
589: int bw; /* Box line width. */
590: int hw; /* Horizontal line width. */
591: int lw, rw; /* Left and right line widths. */
592: int uw, dw; /* Vertical line widths. */
593:
594: cpp = spp == NULL ? NULL : spp->layout->first;
595: cpn = spn == NULL ? NULL : spn->layout->first;
1.65 schwarze 596: dpn = NULL;
597: if (spn != NULL) {
598: if (spn->pos == TBL_SPAN_DATA)
599: dpn = spn->first;
600: else if (spn->next != NULL)
601: dpn = spn->next->first;
602: }
1.64 schwarze 603: opts = spn == NULL ? spp->opts->opts : spn->opts->opts;
604: bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
605: opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
606: hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw :
607: spn->pos == TBL_SPAN_DHORIZ ? 2 : 1;
608:
609: /* Print the left end of the line. */
610:
1.62 schwarze 611: if (tp->viscol == 0) {
612: (*tp->advance)(tp, tp->tcols->offset);
613: tp->viscol = tp->tcols->offset;
614: }
1.64 schwarze 615: if (flags != 0)
616: tbl_direct_border(tp,
617: (spp == NULL ? 0 : BUP * bw) +
618: (spn == NULL ? 0 : BDOWN * bw) +
619: (spp == NULL || cpn == NULL ||
620: cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1);
621:
1.33 schwarze 622: for (;;) {
1.64 schwarze 623: col = tp->tbl.cols + (cpn == NULL ? cpp->col : cpn->col);
624:
625: /* Print the horizontal line inside this column. */
626:
627: lw = cpp == NULL || cpn == NULL ||
1.65 schwarze 628: (cpn->pos != TBL_CELL_DOWN &&
629: (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
630: ? hw : 0;
1.64 schwarze 631: tbl_direct_border(tp, BHORIZ * lw,
632: col->width + col->spacing / 2);
633:
634: /*
635: * Figure out whether a vertical line is crossing
636: * at the end of this column,
637: * and advance to the next column.
638: */
639:
640: uw = dw = 0;
1.53 schwarze 641: if (cpp != NULL) {
1.64 schwarze 642: if (flags != TBL_OPT_DBOX) {
643: uw = cpp->vert;
644: if (uw == 0 && opts & TBL_OPT_ALLBOX)
645: uw = 1;
646: }
1.53 schwarze 647: cpp = cpp->next;
648: }
649: if (cpn != NULL) {
1.64 schwarze 650: if (flags != TBL_OPT_DBOX) {
651: dw = cpn->vert;
652: if (dw == 0 && opts & TBL_OPT_ALLBOX)
653: dw = 1;
654: }
1.53 schwarze 655: cpn = cpn->next;
1.65 schwarze 656: while (dpn != NULL && dpn->layout != cpn)
657: dpn = dpn->next;
1.33 schwarze 658: }
1.64 schwarze 659: if (cpp == NULL && cpn == NULL)
660: break;
661:
662: /* Vertical lines do not cross spanned cells. */
663:
664: if (cpp != NULL && cpp->pos == TBL_CELL_SPAN)
665: uw = 0;
666: if (cpn != NULL && cpn->pos == TBL_CELL_SPAN)
667: dw = 0;
668:
669: /* The horizontal line inside the next column. */
670:
671: rw = cpp == NULL || cpn == NULL ||
1.65 schwarze 672: (cpn->pos != TBL_CELL_DOWN &&
673: (dpn == NULL || strcmp(dpn->string, "\\^") != 0))
674: ? hw : 0;
1.64 schwarze 675:
676: /* The line crossing at the end of this column. */
677:
1.55 schwarze 678: if (col->spacing)
1.64 schwarze 679: tbl_direct_border(tp, BLEFT * lw +
680: BRIGHT * rw + BUP * uw + BDOWN * dw, 1);
681:
682: /*
683: * In ASCII output, a crossing may print two characters.
684: */
685:
686: if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2))
687: uw = dw = 0;
1.55 schwarze 688: if (col->spacing > 2)
1.64 schwarze 689: tbl_direct_border(tp,
690: BHORIZ * rw + BUP * uw + BDOWN * dw, 1);
691:
692: /* Padding before the start of the next column. */
693:
1.55 schwarze 694: if (col->spacing > 4)
1.64 schwarze 695: tbl_direct_border(tp,
696: BHORIZ * rw, (col->spacing - 3) / 2);
1.22 schwarze 697: }
1.64 schwarze 698:
699: /* Print the right end of the line. */
700:
701: if (flags != 0) {
702: tbl_direct_border(tp,
703: (spp == NULL ? 0 : BUP * bw) +
704: (spn == NULL ? 0 : BDOWN * bw) +
705: (spp == NULL || spn == NULL ||
706: spn->layout->last->pos != TBL_CELL_DOWN ?
707: BLEFT * hw : 0), 1);
1.62 schwarze 708: (*tp->endline)(tp);
709: tp->viscol = 0;
1.22 schwarze 710: }
1.1 kristaps 711: }
712:
713: static void
1.25 schwarze 714: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.53 schwarze 715: const struct tbl_cell *cp, const struct tbl_dat *dp,
716: const struct roffcol *col)
1.1 kristaps 717: {
1.53 schwarze 718: switch (cp->pos) {
719: case TBL_CELL_HORIZ:
1.62 schwarze 720: tbl_fill_border(tp, BHORIZ, col->width);
1.53 schwarze 721: return;
722: case TBL_CELL_DHORIZ:
1.62 schwarze 723: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.53 schwarze 724: return;
725: default:
726: break;
727: }
1.1 kristaps 728:
1.56 schwarze 729: if (dp == NULL)
1.1 kristaps 730: return;
731:
732: switch (dp->pos) {
1.27 schwarze 733: case TBL_DATA_NONE:
1.10 kristaps 734: return;
1.27 schwarze 735: case TBL_DATA_HORIZ:
736: case TBL_DATA_NHORIZ:
1.62 schwarze 737: tbl_fill_border(tp, BHORIZ, col->width);
1.7 kristaps 738: return;
1.27 schwarze 739: case TBL_DATA_NDHORIZ:
740: case TBL_DATA_DHORIZ:
1.62 schwarze 741: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.1 kristaps 742: return;
743: default:
744: break;
745: }
1.27 schwarze 746:
1.53 schwarze 747: switch (cp->pos) {
1.27 schwarze 748: case TBL_CELL_LONG:
749: case TBL_CELL_CENTRE:
750: case TBL_CELL_LEFT:
751: case TBL_CELL_RIGHT:
1.11 kristaps 752: tbl_literal(tp, dp, col);
1.1 kristaps 753: break;
1.27 schwarze 754: case TBL_CELL_NUMBER:
1.25 schwarze 755: tbl_number(tp, opts, dp, col);
1.18 kristaps 756: break;
1.27 schwarze 757: case TBL_CELL_DOWN:
1.56 schwarze 758: case TBL_CELL_SPAN:
1.1 kristaps 759: break;
760: default:
761: abort();
762: }
763: }
764:
765: static void
1.62 schwarze 766: tbl_fill_string(struct termp *tp, const char *cp, size_t len)
767: {
768: size_t i, sz;
769:
770: sz = term_strlen(tp, cp);
771: for (i = 0; i < len; i += sz)
772: term_word(tp, cp);
773: }
774:
775: static void
776: tbl_fill_char(struct termp *tp, char c, size_t len)
1.1 kristaps 777: {
1.62 schwarze 778: char cp[2];
1.12 kristaps 779:
780: cp[0] = c;
781: cp[1] = '\0';
1.62 schwarze 782: tbl_fill_string(tp, cp, len);
783: }
1.1 kristaps 784:
1.62 schwarze 785: static void
786: tbl_fill_border(struct termp *tp, int c, size_t len)
787: {
788: char buf[12];
789:
790: if ((c = borders_locale[c]) > 127) {
791: (void)snprintf(buf, sizeof(buf), "\\[u%04x]", c);
792: tbl_fill_string(tp, buf, len);
793: } else
794: tbl_fill_char(tp, c, len);
795: }
796:
797: static void
798: tbl_direct_border(struct termp *tp, int c, size_t len)
799: {
800: size_t i, sz;
1.3 kristaps 801:
1.62 schwarze 802: c = borders_locale[c];
803: sz = (*tp->width)(tp, c);
804: for (i = 0; i < len; i += sz) {
805: (*tp->letter)(tp, c);
806: tp->viscol += sz;
807: }
1.1 kristaps 808: }
809:
810: static void
1.27 schwarze 811: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.11 kristaps 812: const struct roffcol *col)
1.1 kristaps 813: {
1.36 schwarze 814: size_t len, padl, padr, width;
1.61 schwarze 815: int ic, hspans;
1.1 kristaps 816:
1.17 kristaps 817: assert(dp->string);
1.21 schwarze 818: len = term_strlen(tp, dp->string);
1.23 schwarze 819: width = col->width;
1.36 schwarze 820: ic = dp->layout->col;
1.61 schwarze 821: hspans = dp->hspans;
822: while (hspans--)
1.36 schwarze 823: width += tp->tbl.cols[++ic].width + 3;
1.23 schwarze 824:
825: padr = width > len ? width - len : 0;
1.21 schwarze 826: padl = 0;
1.1 kristaps 827:
1.16 kristaps 828: switch (dp->layout->pos) {
1.27 schwarze 829: case TBL_CELL_LONG:
1.21 schwarze 830: padl = term_len(tp, 1);
831: padr = padr > padl ? padr - padl : 0;
1.1 kristaps 832: break;
1.27 schwarze 833: case TBL_CELL_CENTRE:
1.21 schwarze 834: if (2 > padr)
1.19 schwarze 835: break;
1.21 schwarze 836: padl = padr / 2;
1.19 schwarze 837: padr -= padl;
1.1 kristaps 838: break;
1.27 schwarze 839: case TBL_CELL_RIGHT:
1.21 schwarze 840: padl = padr;
841: padr = 0;
1.1 kristaps 842: break;
843: default:
844: break;
845: }
846:
1.62 schwarze 847: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 848: tbl_word(tp, dp);
1.62 schwarze 849: tbl_fill_char(tp, ASCII_NBRSP, padr);
1.1 kristaps 850: }
851:
852: static void
1.25 schwarze 853: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.2 kristaps 854: const struct tbl_dat *dp,
1.11 kristaps 855: const struct roffcol *col)
1.1 kristaps 856: {
1.60 schwarze 857: const char *cp, *lastdigit, *lastpoint;
858: size_t intsz, padl, totsz;
1.11 kristaps 859: char buf[2];
1.1 kristaps 860:
861: /*
1.60 schwarze 862: * Almost the same code as in tblcalc_number():
863: * First find the position of the decimal point.
1.1 kristaps 864: */
865:
1.17 kristaps 866: assert(dp->string);
1.60 schwarze 867: lastdigit = lastpoint = NULL;
868: for (cp = dp->string; cp[0] != '\0'; cp++) {
869: if (cp[0] == '\\' && cp[1] == '&') {
870: lastdigit = lastpoint = cp;
871: break;
872: } else if (cp[0] == opts->decimal &&
873: (isdigit((unsigned char)cp[1]) ||
874: (cp > dp->string && isdigit((unsigned char)cp[-1]))))
875: lastpoint = cp;
876: else if (isdigit((unsigned char)cp[0]))
877: lastdigit = cp;
878: }
879:
880: /* Then measure both widths. */
1.2 kristaps 881:
1.60 schwarze 882: padl = 0;
883: totsz = term_strlen(tp, dp->string);
884: if (lastdigit != NULL) {
885: if (lastpoint == NULL)
886: lastpoint = lastdigit + 1;
887: intsz = 0;
888: buf[1] = '\0';
889: for (cp = dp->string; cp < lastpoint; cp++) {
890: buf[0] = cp[0];
891: intsz += term_strlen(tp, buf);
892: }
893:
894: /*
895: * Pad left to match the decimal position,
896: * but avoid exceeding the total column width.
897: */
898:
899: if (col->decimal > intsz && col->width > totsz) {
900: padl = col->decimal - intsz;
901: if (padl + totsz > col->width)
902: padl = col->width - totsz;
903: }
1.2 kristaps 904:
1.60 schwarze 905: /* If it is not a number, simply center the string. */
1.2 kristaps 906:
1.60 schwarze 907: } else if (col->width > totsz)
908: padl = (col->width - totsz) / 2;
909:
1.62 schwarze 910: tbl_fill_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 911: tbl_word(tp, dp);
1.60 schwarze 912:
913: /* Pad right to fill the column. */
914:
915: if (col->width > padl + totsz)
1.62 schwarze 916: tbl_fill_char(tp, ASCII_NBRSP, col->width - padl - totsz);
1.2 kristaps 917: }
918:
1.29 schwarze 919: static void
920: tbl_word(struct termp *tp, const struct tbl_dat *dp)
921: {
1.38 schwarze 922: int prev_font;
1.29 schwarze 923:
1.38 schwarze 924: prev_font = tp->fonti;
1.29 schwarze 925: if (dp->layout->flags & TBL_CELL_BOLD)
926: term_fontpush(tp, TERMFONT_BOLD);
927: else if (dp->layout->flags & TBL_CELL_ITALIC)
928: term_fontpush(tp, TERMFONT_UNDER);
929:
930: term_word(tp, dp->string);
931:
932: term_fontpopq(tp, prev_font);
933: }
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