Annotation of mandoc/tbl_term.c, Revision 1.77
1.77 ! schwarze 1: /* $Id: tbl_term.c,v 1.76 2022/04/08 16:53:45 schwarze Exp $ */
1.1 kristaps 2: /*
1.77 ! schwarze 3: * Copyright (c) 2011-2021 Ingo Schwarze <schwarze@openbsd.org>
1.20 kristaps 4: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
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:
1.77 ! schwarze 28: #if DEBUG_MEMORY
! 29: #include "mandoc_dbg.h"
! 30: #endif
1.1 kristaps 31: #include "mandoc.h"
1.66 schwarze 32: #include "tbl.h"
1.1 kristaps 33: #include "out.h"
34: #include "term.h"
35:
1.53 schwarze 36: #define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
37: (cp)->pos == TBL_CELL_DHORIZ)
38:
1.62 schwarze 39:
1.11 kristaps 40: static size_t term_tbl_len(size_t, void *);
41: static size_t term_tbl_strlen(const char *, void *);
1.46 schwarze 42: static size_t term_tbl_sulen(const struct roffsu *, void *);
1.25 schwarze 43: static void tbl_data(struct termp *, const struct tbl_opts *,
1.53 schwarze 44: const struct tbl_cell *,
1.27 schwarze 45: const struct tbl_dat *,
1.11 kristaps 46: const struct roffcol *);
1.62 schwarze 47: static void tbl_direct_border(struct termp *, int, size_t);
48: static void tbl_fill_border(struct termp *, int, size_t);
49: static void tbl_fill_char(struct termp *, char, size_t);
50: static void tbl_fill_string(struct termp *, const char *, size_t);
1.64 schwarze 51: static void tbl_hrule(struct termp *, const struct tbl_span *,
1.69 schwarze 52: const struct tbl_span *, const struct tbl_span *,
53: int);
1.27 schwarze 54: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.11 kristaps 55: const struct roffcol *);
1.27 schwarze 56: static void tbl_number(struct termp *, const struct tbl_opts *,
57: const struct tbl_dat *,
1.11 kristaps 58: const struct roffcol *);
1.29 schwarze 59: static void tbl_word(struct termp *, const struct tbl_dat *);
1.11 kristaps 60:
61:
1.62 schwarze 62: /*
63: * The following border-character tables are indexed
64: * by ternary (3-based) numbers, as opposed to binary or decimal.
65: * Each ternary digit describes the line width in one direction:
66: * 0 means no line, 1 single or light line, 2 double or heavy line.
67: */
68:
69: /* Positional values of the four directions. */
70: #define BRIGHT 1
71: #define BDOWN 3
72: #define BLEFT (3 * 3)
73: #define BUP (3 * 3 * 3)
74: #define BHORIZ (BLEFT + BRIGHT)
75:
76: /* Code points to use for each combination of widths. */
77: static const int borders_utf8[81] = {
78: 0x0020, 0x2576, 0x257a, /* 000 right */
79: 0x2577, 0x250c, 0x250d, /* 001 down */
80: 0x257b, 0x250e, 0x250f, /* 002 */
81: 0x2574, 0x2500, 0x257c, /* 010 left */
82: 0x2510, 0x252c, 0x252e, /* 011 left down */
83: 0x2512, 0x2530, 0x2532, /* 012 */
84: 0x2578, 0x257e, 0x2501, /* 020 left */
85: 0x2511, 0x252d, 0x252f, /* 021 left down */
86: 0x2513, 0x2531, 0x2533, /* 022 */
87: 0x2575, 0x2514, 0x2515, /* 100 up */
88: 0x2502, 0x251c, 0x251d, /* 101 up down */
89: 0x257d, 0x251f, 0x2522, /* 102 */
90: 0x2518, 0x2534, 0x2536, /* 110 up left */
91: 0x2524, 0x253c, 0x253e, /* 111 all */
92: 0x2527, 0x2541, 0x2546, /* 112 */
93: 0x2519, 0x2535, 0x2537, /* 120 up left */
94: 0x2525, 0x253d, 0x253f, /* 121 all */
95: 0x252a, 0x2545, 0x2548, /* 122 */
96: 0x2579, 0x2516, 0x2517, /* 200 up */
97: 0x257f, 0x251e, 0x2521, /* 201 up down */
98: 0x2503, 0x2520, 0x2523, /* 202 */
99: 0x251a, 0x2538, 0x253a, /* 210 up left */
100: 0x2526, 0x2540, 0x2544, /* 211 all */
101: 0x2528, 0x2542, 0x254a, /* 212 */
102: 0x251b, 0x2539, 0x253b, /* 220 up left */
103: 0x2529, 0x2543, 0x2547, /* 221 all */
104: 0x252b, 0x2549, 0x254b, /* 222 */
105: };
106:
107: /* ASCII approximations for these code points, compatible with groff. */
108: static const int borders_ascii[81] = {
109: ' ', '-', '=', /* 000 right */
110: '|', '+', '+', /* 001 down */
111: '|', '+', '+', /* 002 */
112: '-', '-', '=', /* 010 left */
113: '+', '+', '+', /* 011 left down */
114: '+', '+', '+', /* 012 */
115: '=', '=', '=', /* 020 left */
116: '+', '+', '+', /* 021 left down */
117: '+', '+', '+', /* 022 */
118: '|', '+', '+', /* 100 up */
119: '|', '+', '+', /* 101 up down */
120: '|', '+', '+', /* 102 */
121: '+', '+', '+', /* 110 up left */
122: '+', '+', '+', /* 111 all */
123: '+', '+', '+', /* 112 */
124: '+', '+', '+', /* 120 up left */
125: '+', '+', '+', /* 121 all */
126: '+', '+', '+', /* 122 */
127: '|', '+', '+', /* 200 up */
128: '|', '+', '+', /* 201 up down */
129: '|', '+', '+', /* 202 */
130: '+', '+', '+', /* 210 up left */
131: '+', '+', '+', /* 211 all */
132: '+', '+', '+', /* 212 */
133: '+', '+', '+', /* 220 up left */
134: '+', '+', '+', /* 221 all */
135: '+', '+', '+', /* 222 */
136: };
137:
138: /* Either of the above according to the selected output encoding. */
139: static const int *borders_locale;
140:
141:
1.11 kristaps 142: static size_t
1.46 schwarze 143: term_tbl_sulen(const struct roffsu *su, void *arg)
144: {
1.57 schwarze 145: int i;
146:
147: i = term_hen((const struct termp *)arg, su);
148: return i > 0 ? i : 0;
1.46 schwarze 149: }
150:
151: static size_t
1.11 kristaps 152: term_tbl_strlen(const char *p, void *arg)
153: {
1.42 schwarze 154: return term_strlen((const struct termp *)arg, p);
1.11 kristaps 155: }
156:
157: static size_t
158: term_tbl_len(size_t sz, void *arg)
159: {
1.42 schwarze 160: return term_len((const struct termp *)arg, sz);
1.11 kristaps 161: }
1.1 kristaps 162:
1.62 schwarze 163:
1.1 kristaps 164: void
165: term_tbl(struct termp *tp, const struct tbl_span *sp)
166: {
1.62 schwarze 167: const struct tbl_cell *cp, *cpn, *cpp, *cps;
1.11 kristaps 168: const struct tbl_dat *dp;
1.34 schwarze 169: static size_t offset;
1.72 schwarze 170: size_t save_offset;
1.47 schwarze 171: size_t coloff, tsz;
1.62 schwarze 172: int hspans, ic, more;
1.68 schwarze 173: int dvert, fc, horiz, lhori, rhori, uvert;
1.39 schwarze 174:
1.4 kristaps 175: /* Inhibit printing of spaces: we do padding ourselves. */
176:
1.47 schwarze 177: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.67 schwarze 178: save_offset = tp->tcol->offset;
1.4 kristaps 179:
180: /*
1.11 kristaps 181: * The first time we're invoked for a given table block,
182: * calculate the table widths and decimal positions.
1.4 kristaps 183: */
184:
1.37 schwarze 185: if (tp->tbl.cols == NULL) {
1.62 schwarze 186: borders_locale = tp->enc == TERMENC_UTF8 ?
187: borders_utf8 : borders_ascii;
188:
1.11 kristaps 189: tp->tbl.len = term_tbl_len;
190: tp->tbl.slen = term_tbl_strlen;
1.46 schwarze 191: tp->tbl.sulen = term_tbl_sulen;
1.11 kristaps 192: tp->tbl.arg = tp;
1.4 kristaps 193:
1.48 schwarze 194: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.1 kristaps 195:
1.34 schwarze 196: /* Center the table as a whole. */
197:
1.45 schwarze 198: offset = tp->tcol->offset;
1.34 schwarze 199: if (sp->opts->opts & TBL_OPT_CENTRE) {
200: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
201: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.55 schwarze 202: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
203: tsz += tp->tbl.cols[ic].width +
204: tp->tbl.cols[ic].spacing;
205: if (sp->opts->cols)
206: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.45 schwarze 207: if (offset + tsz > tp->tcol->rmargin)
1.34 schwarze 208: tsz -= 1;
1.67 schwarze 209: offset = offset + tp->tcol->rmargin > tsz ?
1.45 schwarze 210: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.67 schwarze 211: tp->tcol->offset = offset;
1.34 schwarze 212: }
213:
1.33 schwarze 214: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 215:
1.62 schwarze 216: if (tp->enc == TERMENC_ASCII &&
217: sp->opts->opts & TBL_OPT_DBOX)
1.69 schwarze 218: tbl_hrule(tp, NULL, sp, sp, TBL_OPT_DBOX);
1.53 schwarze 219: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.69 schwarze 220: tbl_hrule(tp, NULL, sp, sp, TBL_OPT_BOX);
1.21 schwarze 221: }
1.1 kristaps 222:
1.47 schwarze 223: /* Set up the columns. */
1.1 kristaps 224:
1.47 schwarze 225: tp->flags |= TERMP_MULTICOL;
1.67 schwarze 226: tp->tcol->offset = offset;
1.47 schwarze 227: horiz = 0;
228: switch (sp->pos) {
229: case TBL_SPAN_HORIZ:
230: case TBL_SPAN_DHORIZ:
231: horiz = 1;
232: term_setcol(tp, 1);
233: break;
234: case TBL_SPAN_DATA:
235: term_setcol(tp, sp->opts->cols + 2);
236: coloff = tp->tcol->offset;
237:
238: /* Set up a column for a left vertical frame. */
239:
240: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
241: sp->opts->lvert)
242: coloff++;
243: tp->tcol->rmargin = coloff;
1.33 schwarze 244:
1.47 schwarze 245: /* Set up the data columns. */
1.1 kristaps 246:
1.47 schwarze 247: dp = sp->first;
1.61 schwarze 248: hspans = 0;
1.47 schwarze 249: for (ic = 0; ic < sp->opts->cols; ic++) {
1.61 schwarze 250: if (hspans == 0) {
1.47 schwarze 251: tp->tcol++;
252: tp->tcol->offset = coloff;
253: }
254: coloff += tp->tbl.cols[ic].width;
255: tp->tcol->rmargin = coloff;
256: if (ic + 1 < sp->opts->cols)
1.55 schwarze 257: coloff += tp->tbl.cols[ic].spacing;
1.61 schwarze 258: if (hspans) {
259: hspans--;
1.47 schwarze 260: continue;
261: }
1.73 schwarze 262: if (dp != NULL &&
263: (ic || sp->layout->first->pos != TBL_CELL_SPAN)) {
264: hspans = dp->hspans;
1.56 schwarze 265: dp = dp->next;
1.73 schwarze 266: }
1.47 schwarze 267: }
268:
269: /* Set up a column for a right vertical frame. */
270:
271: tp->tcol++;
1.55 schwarze 272: tp->tcol->offset = coloff + 1;
1.53 schwarze 273: tp->tcol->rmargin = tp->maxrmargin;
1.47 schwarze 274:
275: /* Spans may have reduced the number of columns. */
276:
277: tp->lasttcol = tp->tcol - tp->tcols;
278:
279: /* Fill the buffers for all data columns. */
1.4 kristaps 280:
1.47 schwarze 281: tp->tcol = tp->tcols;
1.53 schwarze 282: cp = cpn = sp->layout->first;
1.4 kristaps 283: dp = sp->first;
1.61 schwarze 284: hspans = 0;
1.36 schwarze 285: for (ic = 0; ic < sp->opts->cols; ic++) {
1.53 schwarze 286: if (cpn != NULL) {
287: cp = cpn;
288: cpn = cpn->next;
289: }
1.61 schwarze 290: if (hspans) {
291: hspans--;
1.47 schwarze 292: continue;
293: }
294: tp->tcol++;
295: tp->col = 0;
1.53 schwarze 296: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.73 schwarze 297: if (dp != NULL &&
298: (ic || sp->layout->first->pos != TBL_CELL_SPAN)) {
299: hspans = dp->hspans;
1.56 schwarze 300: dp = dp->next;
1.73 schwarze 301: }
1.47 schwarze 302: }
303: break;
304: }
305:
306: do {
307: /* Print the vertical frame at the start of each row. */
308:
309: tp->tcol = tp->tcols;
1.62 schwarze 310: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
311: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
312: if (sp->pos == TBL_SPAN_DATA && uvert < sp->layout->vert)
313: uvert = dvert = sp->layout->vert;
314: if (sp->next != NULL && sp->next->pos == TBL_SPAN_DATA &&
315: dvert < sp->next->layout->vert)
316: dvert = sp->next->layout->vert;
317: if (sp->prev != NULL && uvert < sp->prev->layout->vert &&
318: (horiz || (IS_HORIZ(sp->layout->first) &&
319: !IS_HORIZ(sp->prev->layout->first))))
320: uvert = sp->prev->layout->vert;
1.68 schwarze 321: rhori = sp->pos == TBL_SPAN_DHORIZ ||
322: (sp->first != NULL && sp->first->pos == TBL_DATA_DHORIZ) ||
1.62 schwarze 323: sp->layout->first->pos == TBL_CELL_DHORIZ ? 2 :
324: sp->pos == TBL_SPAN_HORIZ ||
1.68 schwarze 325: (sp->first != NULL && sp->first->pos == TBL_DATA_HORIZ) ||
1.62 schwarze 326: sp->layout->first->pos == TBL_CELL_HORIZ ? 1 : 0;
1.68 schwarze 327: fc = BUP * uvert + BDOWN * dvert + BRIGHT * rhori;
1.62 schwarze 328: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->lvert)) {
1.47 schwarze 329: (*tp->advance)(tp, tp->tcols->offset);
1.62 schwarze 330: tp->viscol = tp->tcol->offset;
331: tbl_direct_border(tp, fc, 1);
1.47 schwarze 332: }
1.22 schwarze 333:
1.47 schwarze 334: /* Print the data cells. */
1.21 schwarze 335:
1.47 schwarze 336: more = 0;
1.62 schwarze 337: if (horiz)
1.69 schwarze 338: tbl_hrule(tp, sp->prev, sp, sp->next, 0);
1.62 schwarze 339: else {
1.47 schwarze 340: cp = sp->layout->first;
1.53 schwarze 341: cpn = sp->next == NULL ? NULL :
342: sp->next->layout->first;
343: cpp = sp->prev == NULL ? NULL :
344: sp->prev->layout->first;
1.47 schwarze 345: dp = sp->first;
1.61 schwarze 346: hspans = 0;
1.47 schwarze 347: for (ic = 0; ic < sp->opts->cols; ic++) {
348:
1.53 schwarze 349: /*
350: * Figure out whether to print a
351: * vertical line after this cell
352: * and advance to next layout cell.
353: */
1.47 schwarze 354:
1.62 schwarze 355: uvert = dvert = fc = 0;
1.47 schwarze 356: if (cp != NULL) {
1.62 schwarze 357: cps = cp;
358: while (cps->next != NULL &&
359: cps->next->pos == TBL_CELL_SPAN)
360: cps = cps->next;
361: if (sp->pos == TBL_SPAN_DATA)
362: uvert = dvert = cps->vert;
1.53 schwarze 363: switch (cp->pos) {
364: case TBL_CELL_HORIZ:
1.62 schwarze 365: fc = BHORIZ;
1.53 schwarze 366: break;
367: case TBL_CELL_DHORIZ:
1.62 schwarze 368: fc = BHORIZ * 2;
1.53 schwarze 369: break;
370: default:
371: break;
372: }
373: }
374: if (cpp != NULL) {
1.62 schwarze 375: if (uvert < cpp->vert &&
1.53 schwarze 376: cp != NULL &&
377: ((IS_HORIZ(cp) &&
378: !IS_HORIZ(cpp)) ||
379: (cp->next != NULL &&
380: cpp->next != NULL &&
381: IS_HORIZ(cp->next) &&
382: !IS_HORIZ(cpp->next))))
1.62 schwarze 383: uvert = cpp->vert;
1.53 schwarze 384: cpp = cpp->next;
385: }
1.62 schwarze 386: if (sp->opts->opts & TBL_OPT_ALLBOX) {
387: if (uvert == 0)
388: uvert = 1;
389: if (dvert == 0)
390: dvert = 1;
391: }
1.53 schwarze 392: if (cpn != NULL) {
1.62 schwarze 393: if (dvert == 0 ||
394: (dvert < cpn->vert &&
395: tp->enc == TERMENC_UTF8))
396: dvert = cpn->vert;
1.53 schwarze 397: cpn = cpn->next;
398: }
1.51 schwarze 399:
1.68 schwarze 400: lhori = (cp != NULL &&
401: cp->pos == TBL_CELL_DHORIZ) ||
402: (dp != NULL &&
403: dp->pos == TBL_DATA_DHORIZ) ? 2 :
404: (cp != NULL &&
405: cp->pos == TBL_CELL_HORIZ) ||
406: (dp != NULL &&
407: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
408:
1.53 schwarze 409: /*
410: * Skip later cells in a span,
411: * figure out whether to start a span,
412: * and advance to next data cell.
413: */
1.51 schwarze 414:
1.61 schwarze 415: if (hspans) {
416: hspans--;
1.62 schwarze 417: cp = cp->next;
1.51 schwarze 418: continue;
419: }
1.73 schwarze 420: if (dp != NULL && (ic ||
421: sp->layout->first->pos != TBL_CELL_SPAN)) {
1.61 schwarze 422: hspans = dp->hspans;
1.73 schwarze 423: dp = dp->next;
1.51 schwarze 424: }
425:
1.53 schwarze 426: /*
427: * Print one line of text in the cell
428: * and remember whether there is more.
429: */
1.51 schwarze 430:
431: tp->tcol++;
432: if (tp->tcol->col < tp->tcol->lastcol)
433: term_flushln(tp);
434: if (tp->tcol->col < tp->tcol->lastcol)
435: more = 1;
436:
437: /*
438: * Vertical frames between data cells,
439: * but not after the last column.
440: */
441:
1.63 schwarze 442: if (fc == 0 &&
443: ((uvert == 0 && dvert == 0 &&
444: cp != NULL && (cp->next == NULL ||
1.62 schwarze 445: !IS_HORIZ(cp->next))) ||
1.63 schwarze 446: tp->tcol + 1 ==
447: tp->tcols + tp->lasttcol)) {
448: if (cp != NULL)
449: cp = cp->next;
1.53 schwarze 450: continue;
1.62 schwarze 451: }
1.53 schwarze 452:
1.55 schwarze 453: if (tp->viscol < tp->tcol->rmargin) {
1.53 schwarze 454: (*tp->advance)(tp, tp->tcol->rmargin
455: - tp->viscol);
456: tp->viscol = tp->tcol->rmargin;
457: }
1.55 schwarze 458: while (tp->viscol < tp->tcol->rmargin +
1.62 schwarze 459: tp->tbl.cols[ic].spacing / 2)
1.68 schwarze 460: tbl_direct_border(tp,
461: BHORIZ * lhori, 1);
1.53 schwarze 462:
1.51 schwarze 463: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
464: continue;
1.47 schwarze 465:
1.68 schwarze 466: if (cp != NULL)
1.62 schwarze 467: cp = cp->next;
1.68 schwarze 468:
469: rhori = (cp != NULL &&
470: cp->pos == TBL_CELL_DHORIZ) ||
471: (dp != NULL &&
472: dp->pos == TBL_DATA_DHORIZ) ? 2 :
473: (cp != NULL &&
474: cp->pos == TBL_CELL_HORIZ) ||
475: (dp != NULL &&
476: dp->pos == TBL_DATA_HORIZ) ? 1 : 0;
477:
1.62 schwarze 478: if (tp->tbl.cols[ic].spacing)
1.68 schwarze 479: tbl_direct_border(tp,
480: BLEFT * lhori + BRIGHT * rhori +
1.62 schwarze 481: BUP * uvert + BDOWN * dvert, 1);
482:
483: if (tp->enc == TERMENC_UTF8)
484: uvert = dvert = 0;
1.53 schwarze 485:
1.55 schwarze 486: if (tp->tbl.cols[ic].spacing > 2 &&
1.68 schwarze 487: (uvert > 1 || dvert > 1 || rhori))
488: tbl_direct_border(tp,
489: BHORIZ * rhori +
1.62 schwarze 490: BUP * (uvert > 1) +
491: BDOWN * (dvert > 1), 1);
1.47 schwarze 492: }
493: }
1.1 kristaps 494:
1.47 schwarze 495: /* Print the vertical frame at the end of each row. */
1.16 kristaps 496:
1.62 schwarze 497: uvert = dvert = sp->opts->opts & TBL_OPT_DBOX ? 2 :
498: sp->opts->opts & TBL_OPT_BOX ? 1 : 0;
499: if (sp->pos == TBL_SPAN_DATA &&
500: uvert < sp->layout->last->vert &&
501: sp->layout->last->col + 1 == sp->opts->cols)
502: uvert = dvert = sp->layout->last->vert;
503: if (sp->next != NULL &&
504: dvert < sp->next->layout->last->vert &&
505: sp->next->layout->last->col + 1 == sp->opts->cols)
506: dvert = sp->next->layout->last->vert;
507: if (sp->prev != NULL &&
508: uvert < sp->prev->layout->last->vert &&
509: sp->prev->layout->last->col + 1 == sp->opts->cols &&
510: (horiz || (IS_HORIZ(sp->layout->last) &&
511: !IS_HORIZ(sp->prev->layout->last))))
512: uvert = sp->prev->layout->last->vert;
1.68 schwarze 513: lhori = sp->pos == TBL_SPAN_DHORIZ ||
514: (sp->last != NULL &&
515: sp->last->pos == TBL_DATA_DHORIZ &&
516: sp->last->layout->col + 1 == sp->opts->cols) ||
1.62 schwarze 517: (sp->layout->last->pos == TBL_CELL_DHORIZ &&
518: sp->layout->last->col + 1 == sp->opts->cols) ? 2 :
519: sp->pos == TBL_SPAN_HORIZ ||
1.68 schwarze 520: (sp->last != NULL &&
521: sp->last->pos == TBL_DATA_HORIZ &&
522: sp->last->layout->col + 1 == sp->opts->cols) ||
1.62 schwarze 523: (sp->layout->last->pos == TBL_CELL_HORIZ &&
524: sp->layout->last->col + 1 == sp->opts->cols) ? 1 : 0;
1.68 schwarze 525: fc = BUP * uvert + BDOWN * dvert + BLEFT * lhori;
1.62 schwarze 526: if (uvert > 0 || dvert > 0 || (horiz && sp->opts->rvert)) {
1.53 schwarze 527: if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
528: sp->layout->last->col + 1 < sp->opts->cols)) {
1.47 schwarze 529: tp->tcol++;
1.68 schwarze 530: do {
531: tbl_direct_border(tp,
532: BHORIZ * lhori, 1);
533: } while (tp->viscol < tp->tcol->offset);
1.47 schwarze 534: }
1.62 schwarze 535: tbl_direct_border(tp, fc, 1);
1.47 schwarze 536: }
537: (*tp->endline)(tp);
538: tp->viscol = 0;
539: } while (more);
1.1 kristaps 540:
1.4 kristaps 541: /*
1.53 schwarze 542: * Clean up after this row. If it is the last line
543: * of the table, print the box line and clean up
544: * column data; otherwise, print the allbox line.
1.4 kristaps 545: */
546:
1.47 schwarze 547: term_setcol(tp, 1);
548: tp->flags &= ~TERMP_MULTICOL;
549: tp->tcol->rmargin = tp->maxrmargin;
1.37 schwarze 550: if (sp->next == NULL) {
1.33 schwarze 551: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
1.69 schwarze 552: tbl_hrule(tp, sp, sp, NULL, TBL_OPT_BOX);
1.24 schwarze 553: tp->skipvsp = 1;
554: }
1.62 schwarze 555: if (tp->enc == TERMENC_ASCII &&
556: sp->opts->opts & TBL_OPT_DBOX) {
1.69 schwarze 557: tbl_hrule(tp, sp, sp, NULL, TBL_OPT_DBOX);
1.24 schwarze 558: tp->skipvsp = 2;
559: }
1.11 kristaps 560: assert(tp->tbl.cols);
561: free(tp->tbl.cols);
562: tp->tbl.cols = NULL;
1.50 schwarze 563: } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
564: (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
565: sp->next->next != NULL))
1.69 schwarze 566: tbl_hrule(tp, sp, sp, sp->next, TBL_OPT_ALLBOX);
1.49 schwarze 567:
1.67 schwarze 568: tp->tcol->offset = save_offset;
1.47 schwarze 569: tp->flags &= ~TERMP_NONOSPACE;
1.1 kristaps 570: }
571:
572: static void
1.64 schwarze 573: tbl_hrule(struct termp *tp, const struct tbl_span *spp,
1.69 schwarze 574: const struct tbl_span *sp, const struct tbl_span *spn, int flags)
1.1 kristaps 575: {
1.65 schwarze 576: const struct tbl_cell *cpp; /* Layout cell above this line. */
1.69 schwarze 577: const struct tbl_cell *cp; /* Layout cell in this line. */
1.65 schwarze 578: const struct tbl_cell *cpn; /* Layout cell below this line. */
579: const struct tbl_dat *dpn; /* Data cell below this line. */
1.64 schwarze 580: const struct roffcol *col; /* Contains width and spacing. */
581: int opts; /* For the table as a whole. */
582: int bw; /* Box line width. */
583: int hw; /* Horizontal line width. */
584: int lw, rw; /* Left and right line widths. */
585: int uw, dw; /* Vertical line widths. */
586:
587: cpp = spp == NULL ? NULL : spp->layout->first;
1.69 schwarze 588: cp = sp == NULL ? NULL : sp->layout->first;
1.64 schwarze 589: cpn = spn == NULL ? NULL : spn->layout->first;
1.65 schwarze 590: dpn = NULL;
591: if (spn != NULL) {
592: if (spn->pos == TBL_SPAN_DATA)
593: dpn = spn->first;
594: else if (spn->next != NULL)
595: dpn = spn->next->first;
596: }
1.69 schwarze 597: opts = sp->opts->opts;
1.64 schwarze 598: bw = opts & TBL_OPT_DBOX ? (tp->enc == TERMENC_UTF8 ? 2 : 1) :
599: opts & (TBL_OPT_BOX | TBL_OPT_ALLBOX) ? 1 : 0;
600: hw = flags == TBL_OPT_DBOX || flags == TBL_OPT_BOX ? bw :
1.69 schwarze 601: sp->pos == TBL_SPAN_DHORIZ ? 2 : 1;
1.64 schwarze 602:
603: /* Print the left end of the line. */
604:
1.62 schwarze 605: if (tp->viscol == 0) {
606: (*tp->advance)(tp, tp->tcols->offset);
607: tp->viscol = tp->tcols->offset;
608: }
1.64 schwarze 609: if (flags != 0)
610: tbl_direct_border(tp,
611: (spp == NULL ? 0 : BUP * bw) +
612: (spn == NULL ? 0 : BDOWN * bw) +
613: (spp == NULL || cpn == NULL ||
614: cpn->pos != TBL_CELL_DOWN ? BRIGHT * hw : 0), 1);
615:
1.71 schwarze 616: col = tp->tbl.cols;
1.33 schwarze 617: for (;;) {
1.71 schwarze 618: if (cp == NULL)
619: col++;
620: else
621: col = tp->tbl.cols + cp->col;
1.64 schwarze 622:
623: /* Print the horizontal line inside this column. */
624:
625: lw = cpp == NULL || cpn == NULL ||
1.65 schwarze 626: (cpn->pos != TBL_CELL_DOWN &&
1.70 schwarze 627: (dpn == NULL || dpn->string == NULL ||
628: strcmp(dpn->string, "\\^") != 0))
1.65 schwarze 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;
1.71 schwarze 647: } else if (spp != NULL && opts & TBL_OPT_ALLBOX)
648: uw = 1;
1.69 schwarze 649: if (cp != NULL)
650: cp = cp->next;
1.53 schwarze 651: if (cpn != NULL) {
1.64 schwarze 652: if (flags != TBL_OPT_DBOX) {
653: dw = cpn->vert;
654: if (dw == 0 && opts & TBL_OPT_ALLBOX)
655: dw = 1;
656: }
1.53 schwarze 657: cpn = cpn->next;
1.65 schwarze 658: while (dpn != NULL && dpn->layout != cpn)
659: dpn = dpn->next;
1.71 schwarze 660: } else if (spn != NULL && opts & TBL_OPT_ALLBOX)
661: dw = 1;
662: if (col + 1 == tp->tbl.cols + sp->opts->cols)
1.64 schwarze 663: break;
664:
665: /* Vertical lines do not cross spanned cells. */
666:
667: if (cpp != NULL && cpp->pos == TBL_CELL_SPAN)
668: uw = 0;
669: if (cpn != NULL && cpn->pos == TBL_CELL_SPAN)
670: dw = 0;
671:
672: /* The horizontal line inside the next column. */
673:
674: rw = cpp == NULL || cpn == NULL ||
1.65 schwarze 675: (cpn->pos != TBL_CELL_DOWN &&
1.70 schwarze 676: (dpn == NULL || dpn->string == NULL ||
677: strcmp(dpn->string, "\\^") != 0))
1.65 schwarze 678: ? hw : 0;
1.64 schwarze 679:
680: /* The line crossing at the end of this column. */
681:
1.55 schwarze 682: if (col->spacing)
1.64 schwarze 683: tbl_direct_border(tp, BLEFT * lw +
684: BRIGHT * rw + BUP * uw + BDOWN * dw, 1);
685:
686: /*
687: * In ASCII output, a crossing may print two characters.
688: */
689:
690: if (tp->enc != TERMENC_ASCII || (uw < 2 && dw < 2))
691: uw = dw = 0;
1.55 schwarze 692: if (col->spacing > 2)
1.64 schwarze 693: tbl_direct_border(tp,
694: BHORIZ * rw + BUP * uw + BDOWN * dw, 1);
695:
696: /* Padding before the start of the next column. */
697:
1.55 schwarze 698: if (col->spacing > 4)
1.64 schwarze 699: tbl_direct_border(tp,
700: BHORIZ * rw, (col->spacing - 3) / 2);
1.22 schwarze 701: }
1.64 schwarze 702:
703: /* Print the right end of the line. */
704:
705: if (flags != 0) {
706: tbl_direct_border(tp,
707: (spp == NULL ? 0 : BUP * bw) +
708: (spn == NULL ? 0 : BDOWN * bw) +
709: (spp == NULL || spn == NULL ||
710: spn->layout->last->pos != TBL_CELL_DOWN ?
711: BLEFT * hw : 0), 1);
1.62 schwarze 712: (*tp->endline)(tp);
713: tp->viscol = 0;
1.22 schwarze 714: }
1.1 kristaps 715: }
716:
717: static void
1.25 schwarze 718: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.53 schwarze 719: const struct tbl_cell *cp, const struct tbl_dat *dp,
720: const struct roffcol *col)
1.1 kristaps 721: {
1.53 schwarze 722: switch (cp->pos) {
723: case TBL_CELL_HORIZ:
1.62 schwarze 724: tbl_fill_border(tp, BHORIZ, col->width);
1.53 schwarze 725: return;
726: case TBL_CELL_DHORIZ:
1.62 schwarze 727: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.53 schwarze 728: return;
729: default:
730: break;
731: }
1.1 kristaps 732:
1.56 schwarze 733: if (dp == NULL)
1.1 kristaps 734: return;
735:
736: switch (dp->pos) {
1.27 schwarze 737: case TBL_DATA_NONE:
1.10 kristaps 738: return;
1.27 schwarze 739: case TBL_DATA_HORIZ:
740: case TBL_DATA_NHORIZ:
1.62 schwarze 741: tbl_fill_border(tp, BHORIZ, col->width);
1.7 kristaps 742: return;
1.27 schwarze 743: case TBL_DATA_NDHORIZ:
744: case TBL_DATA_DHORIZ:
1.62 schwarze 745: tbl_fill_border(tp, BHORIZ * 2, col->width);
1.1 kristaps 746: return;
747: default:
748: break;
749: }
1.27 schwarze 750:
1.53 schwarze 751: switch (cp->pos) {
1.27 schwarze 752: case TBL_CELL_LONG:
753: case TBL_CELL_CENTRE:
754: case TBL_CELL_LEFT:
755: case TBL_CELL_RIGHT:
1.11 kristaps 756: tbl_literal(tp, dp, col);
1.1 kristaps 757: break;
1.27 schwarze 758: case TBL_CELL_NUMBER:
1.25 schwarze 759: tbl_number(tp, opts, dp, col);
1.18 kristaps 760: break;
1.27 schwarze 761: case TBL_CELL_DOWN:
1.56 schwarze 762: case TBL_CELL_SPAN:
1.1 kristaps 763: break;
764: default:
765: abort();
766: }
767: }
768:
769: static void
1.62 schwarze 770: tbl_fill_string(struct termp *tp, const char *cp, size_t len)
771: {
772: size_t i, sz;
773:
774: sz = term_strlen(tp, cp);
775: for (i = 0; i < len; i += sz)
776: term_word(tp, cp);
777: }
778:
779: static void
780: tbl_fill_char(struct termp *tp, char c, size_t len)
1.1 kristaps 781: {
1.62 schwarze 782: char cp[2];
1.12 kristaps 783:
784: cp[0] = c;
785: cp[1] = '\0';
1.62 schwarze 786: tbl_fill_string(tp, cp, len);
787: }
1.1 kristaps 788:
1.62 schwarze 789: static void
790: tbl_fill_border(struct termp *tp, int c, size_t len)
791: {
792: char buf[12];
793:
794: if ((c = borders_locale[c]) > 127) {
795: (void)snprintf(buf, sizeof(buf), "\\[u%04x]", c);
796: tbl_fill_string(tp, buf, len);
797: } else
798: tbl_fill_char(tp, c, len);
799: }
800:
801: static void
802: tbl_direct_border(struct termp *tp, int c, size_t len)
803: {
804: size_t i, sz;
1.3 kristaps 805:
1.62 schwarze 806: c = borders_locale[c];
807: sz = (*tp->width)(tp, c);
808: for (i = 0; i < len; i += sz) {
809: (*tp->letter)(tp, c);
810: tp->viscol += sz;
811: }
1.1 kristaps 812: }
813:
814: static void
1.27 schwarze 815: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.11 kristaps 816: const struct roffcol *col)
1.1 kristaps 817: {
1.36 schwarze 818: size_t len, padl, padr, width;
1.61 schwarze 819: int ic, hspans;
1.1 kristaps 820:
1.17 kristaps 821: assert(dp->string);
1.21 schwarze 822: len = term_strlen(tp, dp->string);
1.23 schwarze 823: width = col->width;
1.36 schwarze 824: ic = dp->layout->col;
1.61 schwarze 825: hspans = dp->hspans;
1.76 schwarze 826: while (hspans--) {
827: width += tp->tbl.cols[ic].spacing;
828: ic++;
829: width += tp->tbl.cols[ic].width;
830: }
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;
1.75 schwarze 932: switch (dp->layout->font) {
933: case ESCAPE_FONTBI:
934: term_fontpush(tp, TERMFONT_BI);
935: break;
936: case ESCAPE_FONTBOLD:
937: case ESCAPE_FONTCB:
938: term_fontpush(tp, TERMFONT_BOLD);
939: break;
940: case ESCAPE_FONTITALIC:
941: case ESCAPE_FONTCI:
942: term_fontpush(tp, TERMFONT_UNDER);
943: break;
944: case ESCAPE_FONTROMAN:
945: case ESCAPE_FONTCR:
946: break;
947: default:
948: abort();
949: }
1.29 schwarze 950:
951: term_word(tp, dp->string);
952:
953: term_fontpopq(tp, prev_font);
954: }
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