Annotation of mandoc/tbl_term.c, Revision 1.61
1.61 ! schwarze 1: /* $Id: tbl_term.c,v 1.60 2018/08/19 23:10:28 schwarze Exp $ */
1.1 kristaps 2: /*
1.20 kristaps 3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.58 schwarze 4: * Copyright (c) 2011-2018 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18: #include "config.h"
1.28 schwarze 19:
20: #include <sys/types.h>
1.1 kristaps 21:
22: #include <assert.h>
1.60 schwarze 23: #include <ctype.h>
1.1 kristaps 24: #include <stdio.h>
25: #include <stdlib.h>
26: #include <string.h>
27:
28: #include "mandoc.h"
29: #include "out.h"
30: #include "term.h"
31:
1.53 schwarze 32: #define IS_HORIZ(cp) ((cp)->pos == TBL_CELL_HORIZ || \
33: (cp)->pos == TBL_CELL_DHORIZ)
34:
1.11 kristaps 35: static size_t term_tbl_len(size_t, void *);
36: static size_t term_tbl_strlen(const char *, void *);
1.46 schwarze 37: static size_t term_tbl_sulen(const struct roffsu *, void *);
1.12 kristaps 38: static void tbl_char(struct termp *, char, size_t);
1.25 schwarze 39: static void tbl_data(struct termp *, const struct tbl_opts *,
1.53 schwarze 40: const struct tbl_cell *,
1.27 schwarze 41: const struct tbl_dat *,
1.11 kristaps 42: const struct roffcol *);
1.27 schwarze 43: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.11 kristaps 44: const struct roffcol *);
1.27 schwarze 45: static void tbl_number(struct termp *, const struct tbl_opts *,
46: const struct tbl_dat *,
1.11 kristaps 47: const struct roffcol *);
1.33 schwarze 48: static void tbl_hrule(struct termp *, const struct tbl_span *, int);
1.29 schwarze 49: static void tbl_word(struct termp *, const struct tbl_dat *);
1.11 kristaps 50:
51:
52: static size_t
1.46 schwarze 53: term_tbl_sulen(const struct roffsu *su, void *arg)
54: {
1.57 schwarze 55: int i;
56:
57: i = term_hen((const struct termp *)arg, su);
58: return i > 0 ? i : 0;
1.46 schwarze 59: }
60:
61: static size_t
1.11 kristaps 62: term_tbl_strlen(const char *p, void *arg)
63: {
1.42 schwarze 64: return term_strlen((const struct termp *)arg, p);
1.11 kristaps 65: }
66:
67: static size_t
68: term_tbl_len(size_t sz, void *arg)
69: {
1.42 schwarze 70: return term_len((const struct termp *)arg, sz);
1.11 kristaps 71: }
1.1 kristaps 72:
73: void
74: term_tbl(struct termp *tp, const struct tbl_span *sp)
75: {
1.53 schwarze 76: const struct tbl_cell *cp, *cpn, *cpp;
1.11 kristaps 77: const struct tbl_dat *dp;
1.34 schwarze 78: static size_t offset;
1.47 schwarze 79: size_t coloff, tsz;
1.61 ! schwarze 80: int ic, horiz, hspans, vert, more;
1.47 schwarze 81: char fc;
1.39 schwarze 82:
1.4 kristaps 83: /* Inhibit printing of spaces: we do padding ourselves. */
84:
1.47 schwarze 85: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE;
1.4 kristaps 86:
87: /*
1.11 kristaps 88: * The first time we're invoked for a given table block,
89: * calculate the table widths and decimal positions.
1.4 kristaps 90: */
91:
1.37 schwarze 92: if (tp->tbl.cols == NULL) {
1.11 kristaps 93: tp->tbl.len = term_tbl_len;
94: tp->tbl.slen = term_tbl_strlen;
1.46 schwarze 95: tp->tbl.sulen = term_tbl_sulen;
1.11 kristaps 96: tp->tbl.arg = tp;
1.4 kristaps 97:
1.48 schwarze 98: tblcalc(&tp->tbl, sp, tp->tcol->offset, tp->tcol->rmargin);
1.54 schwarze 99:
100: /* Tables leak .ta settings to subsequent text. */
101:
102: term_tab_set(tp, NULL);
103: coloff = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
104: sp->opts->lvert;
105: for (ic = 0; ic < sp->opts->cols; ic++) {
106: coloff += tp->tbl.cols[ic].width;
107: term_tab_iset(coloff);
1.55 schwarze 108: coloff += tp->tbl.cols[ic].spacing;
1.54 schwarze 109: }
1.1 kristaps 110:
1.34 schwarze 111: /* Center the table as a whole. */
112:
1.45 schwarze 113: offset = tp->tcol->offset;
1.34 schwarze 114: if (sp->opts->opts & TBL_OPT_CENTRE) {
115: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
116: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.55 schwarze 117: for (ic = 0; ic + 1 < sp->opts->cols; ic++)
118: tsz += tp->tbl.cols[ic].width +
119: tp->tbl.cols[ic].spacing;
120: if (sp->opts->cols)
121: tsz += tp->tbl.cols[sp->opts->cols - 1].width;
1.45 schwarze 122: if (offset + tsz > tp->tcol->rmargin)
1.34 schwarze 123: tsz -= 1;
1.45 schwarze 124: tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
125: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.34 schwarze 126: }
127:
1.33 schwarze 128: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 129:
1.33 schwarze 130: if (sp->opts->opts & TBL_OPT_DBOX)
1.53 schwarze 131: tbl_hrule(tp, sp, 3);
132: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
1.33 schwarze 133: tbl_hrule(tp, sp, 2);
1.21 schwarze 134: }
1.1 kristaps 135:
1.47 schwarze 136: /* Set up the columns. */
1.1 kristaps 137:
1.47 schwarze 138: tp->flags |= TERMP_MULTICOL;
139: horiz = 0;
140: switch (sp->pos) {
141: case TBL_SPAN_HORIZ:
142: case TBL_SPAN_DHORIZ:
143: horiz = 1;
144: term_setcol(tp, 1);
145: break;
146: case TBL_SPAN_DATA:
147: term_setcol(tp, sp->opts->cols + 2);
148: coloff = tp->tcol->offset;
149:
150: /* Set up a column for a left vertical frame. */
151:
152: if (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX) ||
153: sp->opts->lvert)
154: coloff++;
155: tp->tcol->rmargin = coloff;
1.33 schwarze 156:
1.47 schwarze 157: /* Set up the data columns. */
1.1 kristaps 158:
1.47 schwarze 159: dp = sp->first;
1.61 ! schwarze 160: hspans = 0;
1.47 schwarze 161: for (ic = 0; ic < sp->opts->cols; ic++) {
1.61 ! schwarze 162: if (hspans == 0) {
1.47 schwarze 163: tp->tcol++;
164: tp->tcol->offset = coloff;
165: }
166: coloff += tp->tbl.cols[ic].width;
167: tp->tcol->rmargin = coloff;
168: if (ic + 1 < sp->opts->cols)
1.55 schwarze 169: coloff += tp->tbl.cols[ic].spacing;
1.61 ! schwarze 170: if (hspans) {
! 171: hspans--;
1.47 schwarze 172: continue;
173: }
174: if (dp == NULL)
175: continue;
1.61 ! schwarze 176: hspans = dp->hspans;
1.56 schwarze 177: if (ic || sp->layout->first->pos != TBL_CELL_SPAN)
178: dp = dp->next;
1.47 schwarze 179: }
180:
181: /* Set up a column for a right vertical frame. */
182:
183: tp->tcol++;
1.55 schwarze 184: tp->tcol->offset = coloff + 1;
1.53 schwarze 185: tp->tcol->rmargin = tp->maxrmargin;
1.47 schwarze 186:
187: /* Spans may have reduced the number of columns. */
188:
189: tp->lasttcol = tp->tcol - tp->tcols;
190:
191: /* Fill the buffers for all data columns. */
1.4 kristaps 192:
1.47 schwarze 193: tp->tcol = tp->tcols;
1.53 schwarze 194: cp = cpn = sp->layout->first;
1.4 kristaps 195: dp = sp->first;
1.61 ! schwarze 196: hspans = 0;
1.36 schwarze 197: for (ic = 0; ic < sp->opts->cols; ic++) {
1.53 schwarze 198: if (cpn != NULL) {
199: cp = cpn;
200: cpn = cpn->next;
201: }
1.61 ! schwarze 202: if (hspans) {
! 203: hspans--;
1.47 schwarze 204: continue;
205: }
206: tp->tcol++;
207: tp->col = 0;
1.53 schwarze 208: tbl_data(tp, sp->opts, cp, dp, tp->tbl.cols + ic);
1.47 schwarze 209: if (dp == NULL)
210: continue;
1.61 ! schwarze 211: hspans = dp->hspans;
1.56 schwarze 212: if (cp->pos != TBL_CELL_SPAN)
213: dp = dp->next;
1.47 schwarze 214: }
215: break;
216: }
217:
218: do {
219: /* Print the vertical frame at the start of each row. */
220:
221: tp->tcol = tp->tcols;
222: fc = '\0';
223: if (sp->layout->vert ||
1.53 schwarze 224: (sp->next != NULL && sp->next->layout->vert &&
225: sp->next->pos == TBL_SPAN_DATA) ||
226: (sp->prev != NULL && sp->prev->layout->vert &&
227: (horiz || (IS_HORIZ(sp->layout->first) &&
228: !IS_HORIZ(sp->prev->layout->first)))) ||
1.47 schwarze 229: sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
1.53 schwarze 230: fc = horiz || IS_HORIZ(sp->layout->first) ? '+' : '|';
1.47 schwarze 231: else if (horiz && sp->opts->lvert)
232: fc = '-';
233: if (fc != '\0') {
234: (*tp->advance)(tp, tp->tcols->offset);
235: (*tp->letter)(tp, fc);
236: tp->viscol = tp->tcol->offset + 1;
237: }
1.22 schwarze 238:
1.47 schwarze 239: /* Print the data cells. */
1.21 schwarze 240:
1.47 schwarze 241: more = 0;
242: if (horiz) {
243: tbl_hrule(tp, sp, 0);
244: term_flushln(tp);
245: } else {
246: cp = sp->layout->first;
1.53 schwarze 247: cpn = sp->next == NULL ? NULL :
248: sp->next->layout->first;
249: cpp = sp->prev == NULL ? NULL :
250: sp->prev->layout->first;
1.47 schwarze 251: dp = sp->first;
1.61 ! schwarze 252: hspans = 0;
1.47 schwarze 253: for (ic = 0; ic < sp->opts->cols; ic++) {
254:
1.53 schwarze 255: /*
256: * Figure out whether to print a
257: * vertical line after this cell
258: * and advance to next layout cell.
259: */
1.47 schwarze 260:
261: if (cp != NULL) {
262: vert = cp->vert;
1.53 schwarze 263: switch (cp->pos) {
264: case TBL_CELL_HORIZ:
265: fc = '-';
266: break;
267: case TBL_CELL_DHORIZ:
268: fc = '=';
269: break;
270: default:
271: fc = ' ';
272: break;
273: }
274: } else {
275: vert = 0;
276: fc = ' ';
277: }
278: if (cpp != NULL) {
279: if (vert == 0 &&
280: cp != NULL &&
281: ((IS_HORIZ(cp) &&
282: !IS_HORIZ(cpp)) ||
283: (cp->next != NULL &&
284: cpp->next != NULL &&
285: IS_HORIZ(cp->next) &&
286: !IS_HORIZ(cpp->next))))
287: vert = cpp->vert;
288: cpp = cpp->next;
289: }
290: if (vert == 0 &&
291: sp->opts->opts & TBL_OPT_ALLBOX)
292: vert = 1;
293: if (cpn != NULL) {
294: if (vert == 0)
295: vert = cpn->vert;
296: cpn = cpn->next;
297: }
298: if (cp != NULL)
1.47 schwarze 299: cp = cp->next;
1.51 schwarze 300:
1.53 schwarze 301: /*
302: * Skip later cells in a span,
303: * figure out whether to start a span,
304: * and advance to next data cell.
305: */
1.51 schwarze 306:
1.61 ! schwarze 307: if (hspans) {
! 308: hspans--;
1.51 schwarze 309: continue;
310: }
311: if (dp != NULL) {
1.61 ! schwarze 312: hspans = dp->hspans;
1.56 schwarze 313: if (ic || sp->layout->first->pos
314: != TBL_CELL_SPAN)
315: dp = dp->next;
1.51 schwarze 316: }
317:
1.53 schwarze 318: /*
319: * Print one line of text in the cell
320: * and remember whether there is more.
321: */
1.51 schwarze 322:
323: tp->tcol++;
324: if (tp->tcol->col < tp->tcol->lastcol)
325: term_flushln(tp);
326: if (tp->tcol->col < tp->tcol->lastcol)
327: more = 1;
328:
329: /*
330: * Vertical frames between data cells,
331: * but not after the last column.
332: */
333:
1.53 schwarze 334: if (fc == ' ' && ((vert == 0 &&
335: (cp == NULL || !IS_HORIZ(cp))) ||
336: tp->tcol + 1 == tp->tcols + tp->lasttcol))
337: continue;
338:
1.55 schwarze 339: if (tp->viscol < tp->tcol->rmargin) {
1.53 schwarze 340: (*tp->advance)(tp, tp->tcol->rmargin
341: - tp->viscol);
342: tp->viscol = tp->tcol->rmargin;
343: }
1.55 schwarze 344: while (tp->viscol < tp->tcol->rmargin +
345: tp->tbl.cols[ic].spacing / 2) {
1.53 schwarze 346: (*tp->letter)(tp, fc);
347: tp->viscol++;
348: }
349:
1.51 schwarze 350: if (tp->tcol + 1 == tp->tcols + tp->lasttcol)
351: continue;
1.47 schwarze 352:
1.53 schwarze 353: if (fc == ' ' && cp != NULL) {
354: switch (cp->pos) {
355: case TBL_CELL_HORIZ:
356: fc = '-';
357: break;
358: case TBL_CELL_DHORIZ:
359: fc = '=';
360: break;
361: default:
362: break;
363: }
364: }
1.55 schwarze 365: if (tp->tbl.cols[ic].spacing) {
366: (*tp->letter)(tp, fc == ' ' ? '|' :
367: vert ? '+' : fc);
368: tp->viscol++;
369: }
1.53 schwarze 370:
371: if (fc != ' ') {
372: if (cp != NULL &&
373: cp->pos == TBL_CELL_HORIZ)
374: fc = '-';
375: else if (cp != NULL &&
376: cp->pos == TBL_CELL_DHORIZ)
377: fc = '=';
378: else
379: fc = ' ';
1.47 schwarze 380: }
1.55 schwarze 381: if (tp->tbl.cols[ic].spacing > 2 &&
382: (vert > 1 || fc != ' ')) {
1.53 schwarze 383: (*tp->letter)(tp, fc == ' ' ? '|' :
384: vert > 1 ? '+' : fc);
1.47 schwarze 385: tp->viscol++;
1.33 schwarze 386: }
1.47 schwarze 387: }
388: }
1.1 kristaps 389:
1.47 schwarze 390: /* Print the vertical frame at the end of each row. */
1.16 kristaps 391:
1.47 schwarze 392: fc = '\0';
1.53 schwarze 393: if ((sp->layout->last->vert &&
394: sp->layout->last->col + 1 == sp->opts->cols) ||
395: (sp->next != NULL &&
396: sp->next->layout->last->vert &&
397: sp->next->layout->last->col + 1 == sp->opts->cols) ||
398: (sp->prev != NULL &&
399: sp->prev->layout->last->vert &&
400: sp->prev->layout->last->col + 1 == sp->opts->cols &&
401: (horiz || (IS_HORIZ(sp->layout->last) &&
402: !IS_HORIZ(sp->prev->layout->last)))) ||
1.47 schwarze 403: (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
1.53 schwarze 404: fc = horiz || IS_HORIZ(sp->layout->last) ? '+' : '|';
1.47 schwarze 405: else if (horiz && sp->opts->rvert)
406: fc = '-';
407: if (fc != '\0') {
1.53 schwarze 408: if (horiz == 0 && (IS_HORIZ(sp->layout->last) == 0 ||
409: sp->layout->last->col + 1 < sp->opts->cols)) {
1.47 schwarze 410: tp->tcol++;
411: (*tp->advance)(tp,
412: tp->tcol->offset > tp->viscol ?
413: tp->tcol->offset - tp->viscol : 1);
414: }
415: (*tp->letter)(tp, fc);
416: }
417: (*tp->endline)(tp);
418: tp->viscol = 0;
419: } while (more);
1.1 kristaps 420:
1.4 kristaps 421: /*
1.53 schwarze 422: * Clean up after this row. If it is the last line
423: * of the table, print the box line and clean up
424: * column data; otherwise, print the allbox line.
1.4 kristaps 425: */
426:
1.47 schwarze 427: term_setcol(tp, 1);
428: tp->flags &= ~TERMP_MULTICOL;
429: tp->tcol->rmargin = tp->maxrmargin;
1.37 schwarze 430: if (sp->next == NULL) {
1.33 schwarze 431: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
1.53 schwarze 432: tbl_hrule(tp, sp, 2);
1.24 schwarze 433: tp->skipvsp = 1;
434: }
1.33 schwarze 435: if (sp->opts->opts & TBL_OPT_DBOX) {
1.53 schwarze 436: tbl_hrule(tp, sp, 3);
1.24 schwarze 437: tp->skipvsp = 2;
438: }
1.11 kristaps 439: assert(tp->tbl.cols);
440: free(tp->tbl.cols);
441: tp->tbl.cols = NULL;
1.45 schwarze 442: tp->tcol->offset = offset;
1.50 schwarze 443: } else if (horiz == 0 && sp->opts->opts & TBL_OPT_ALLBOX &&
444: (sp->next == NULL || sp->next->pos == TBL_SPAN_DATA ||
445: sp->next->next != NULL))
1.49 schwarze 446: tbl_hrule(tp, sp, 1);
447:
1.47 schwarze 448: tp->flags &= ~TERMP_NONOSPACE;
1.1 kristaps 449: }
450:
1.21 schwarze 451: /*
1.33 schwarze 452: * Kinds of horizontal rulers:
453: * 0: inside the table (single or double line with crossings)
1.53 schwarze 454: * 1: inside the table (single or double line with crossings and ends)
455: * 2: inner frame (single line with crossings and ends)
456: * 3: outer frame (single line without crossings with ends)
1.21 schwarze 457: */
1.1 kristaps 458: static void
1.33 schwarze 459: tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
1.1 kristaps 460: {
1.53 schwarze 461: const struct tbl_cell *cp, *cpn, *cpp;
1.55 schwarze 462: const struct roffcol *col;
1.33 schwarze 463: int vert;
1.59 schwarze 464: char cross, line, stdcross, stdline;
1.33 schwarze 465:
1.59 schwarze 466: stdline = (kind < 2 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
467: stdcross = (kind < 3) ? '+' : '-';
1.33 schwarze 468:
1.53 schwarze 469: cp = sp->layout->first;
470: cpp = kind || sp->prev == NULL ? NULL : sp->prev->layout->first;
471: if (cpp == cp)
472: cpp = NULL;
473: cpn = kind > 1 || sp->next == NULL ? NULL : sp->next->layout->first;
474: if (cpn == cp)
475: cpn = NULL;
1.59 schwarze 476: if (kind)
477: term_word(tp,
478: cpn == NULL || cpn->pos != TBL_CELL_DOWN ? "+" : "|");
1.33 schwarze 479: for (;;) {
1.55 schwarze 480: col = tp->tbl.cols + cp->col;
1.59 schwarze 481: if (cpn == NULL || cpn->pos != TBL_CELL_DOWN) {
482: line = stdline;
483: cross = stdcross;
484: } else {
485: line = ' ';
486: cross = (kind < 3) ? '|' : ' ';
487: }
1.55 schwarze 488: tbl_char(tp, line, col->width + col->spacing / 2);
1.53 schwarze 489: vert = cp->vert;
490: if ((cp = cp->next) == NULL)
1.33 schwarze 491: break;
1.53 schwarze 492: if (cpp != NULL) {
493: if (vert < cpp->vert)
494: vert = cpp->vert;
495: cpp = cpp->next;
496: }
497: if (cpn != NULL) {
498: if (vert < cpn->vert)
499: vert = cpn->vert;
500: cpn = cpn->next;
1.33 schwarze 501: }
1.59 schwarze 502: if (cpn == NULL || cpn->pos != TBL_CELL_DOWN) {
503: line = stdline;
504: cross = stdcross;
505: } else
506: line = ' ';
1.49 schwarze 507: if (sp->opts->opts & TBL_OPT_ALLBOX && !vert)
508: vert = 1;
1.55 schwarze 509: if (col->spacing)
510: tbl_char(tp, vert ? cross : line, 1);
511: if (col->spacing > 2)
512: tbl_char(tp, vert > 1 ? cross : line, 1);
513: if (col->spacing > 4)
514: tbl_char(tp, line, (col->spacing - 3) / 2);
1.22 schwarze 515: }
1.33 schwarze 516: if (kind) {
1.59 schwarze 517: term_word(tp,
518: cpn == NULL || cpn->pos != TBL_CELL_DOWN ? "+" : "|");
1.33 schwarze 519: term_flushln(tp);
1.22 schwarze 520: }
1.1 kristaps 521: }
522:
523: static void
1.25 schwarze 524: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.53 schwarze 525: const struct tbl_cell *cp, const struct tbl_dat *dp,
526: const struct roffcol *col)
1.1 kristaps 527: {
1.53 schwarze 528: switch (cp->pos) {
529: case TBL_CELL_HORIZ:
530: tbl_char(tp, '-', col->width);
531: return;
532: case TBL_CELL_DHORIZ:
533: tbl_char(tp, '=', col->width);
534: return;
535: default:
536: break;
537: }
1.1 kristaps 538:
1.56 schwarze 539: if (dp == NULL)
1.1 kristaps 540: return;
541:
542: switch (dp->pos) {
1.27 schwarze 543: case TBL_DATA_NONE:
1.10 kristaps 544: return;
1.27 schwarze 545: case TBL_DATA_HORIZ:
546: case TBL_DATA_NHORIZ:
1.11 kristaps 547: tbl_char(tp, '-', col->width);
1.7 kristaps 548: return;
1.27 schwarze 549: case TBL_DATA_NDHORIZ:
550: case TBL_DATA_DHORIZ:
1.11 kristaps 551: tbl_char(tp, '=', col->width);
1.1 kristaps 552: return;
553: default:
554: break;
555: }
1.27 schwarze 556:
1.53 schwarze 557: switch (cp->pos) {
1.27 schwarze 558: case TBL_CELL_LONG:
559: case TBL_CELL_CENTRE:
560: case TBL_CELL_LEFT:
561: case TBL_CELL_RIGHT:
1.11 kristaps 562: tbl_literal(tp, dp, col);
1.1 kristaps 563: break;
1.27 schwarze 564: case TBL_CELL_NUMBER:
1.25 schwarze 565: tbl_number(tp, opts, dp, col);
1.18 kristaps 566: break;
1.27 schwarze 567: case TBL_CELL_DOWN:
1.56 schwarze 568: case TBL_CELL_SPAN:
1.1 kristaps 569: break;
570: default:
571: abort();
572: }
573: }
574:
575: static void
1.12 kristaps 576: tbl_char(struct termp *tp, char c, size_t len)
1.1 kristaps 577: {
1.12 kristaps 578: size_t i, sz;
579: char cp[2];
580:
581: cp[0] = c;
582: cp[1] = '\0';
1.1 kristaps 583:
1.3 kristaps 584: sz = term_strlen(tp, cp);
585:
586: for (i = 0; i < len; i += sz)
1.1 kristaps 587: term_word(tp, cp);
588: }
589:
590: static void
1.27 schwarze 591: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.11 kristaps 592: const struct roffcol *col)
1.1 kristaps 593: {
1.36 schwarze 594: size_t len, padl, padr, width;
1.61 ! schwarze 595: int ic, hspans;
1.1 kristaps 596:
1.17 kristaps 597: assert(dp->string);
1.21 schwarze 598: len = term_strlen(tp, dp->string);
1.23 schwarze 599: width = col->width;
1.36 schwarze 600: ic = dp->layout->col;
1.61 ! schwarze 601: hspans = dp->hspans;
! 602: while (hspans--)
1.36 schwarze 603: width += tp->tbl.cols[++ic].width + 3;
1.23 schwarze 604:
605: padr = width > len ? width - len : 0;
1.21 schwarze 606: padl = 0;
1.1 kristaps 607:
1.16 kristaps 608: switch (dp->layout->pos) {
1.27 schwarze 609: case TBL_CELL_LONG:
1.21 schwarze 610: padl = term_len(tp, 1);
611: padr = padr > padl ? padr - padl : 0;
1.1 kristaps 612: break;
1.27 schwarze 613: case TBL_CELL_CENTRE:
1.21 schwarze 614: if (2 > padr)
1.19 schwarze 615: break;
1.21 schwarze 616: padl = padr / 2;
1.19 schwarze 617: padr -= padl;
1.1 kristaps 618: break;
1.27 schwarze 619: case TBL_CELL_RIGHT:
1.21 schwarze 620: padl = padr;
621: padr = 0;
1.1 kristaps 622: break;
623: default:
624: break;
625: }
626:
627: tbl_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 628: tbl_word(tp, dp);
1.21 schwarze 629: tbl_char(tp, ASCII_NBRSP, padr);
1.1 kristaps 630: }
631:
632: static void
1.25 schwarze 633: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.2 kristaps 634: const struct tbl_dat *dp,
1.11 kristaps 635: const struct roffcol *col)
1.1 kristaps 636: {
1.60 schwarze 637: const char *cp, *lastdigit, *lastpoint;
638: size_t intsz, padl, totsz;
1.11 kristaps 639: char buf[2];
1.1 kristaps 640:
641: /*
1.60 schwarze 642: * Almost the same code as in tblcalc_number():
643: * First find the position of the decimal point.
1.1 kristaps 644: */
645:
1.17 kristaps 646: assert(dp->string);
1.60 schwarze 647: lastdigit = lastpoint = NULL;
648: for (cp = dp->string; cp[0] != '\0'; cp++) {
649: if (cp[0] == '\\' && cp[1] == '&') {
650: lastdigit = lastpoint = cp;
651: break;
652: } else if (cp[0] == opts->decimal &&
653: (isdigit((unsigned char)cp[1]) ||
654: (cp > dp->string && isdigit((unsigned char)cp[-1]))))
655: lastpoint = cp;
656: else if (isdigit((unsigned char)cp[0]))
657: lastdigit = cp;
658: }
659:
660: /* Then measure both widths. */
1.2 kristaps 661:
1.60 schwarze 662: padl = 0;
663: totsz = term_strlen(tp, dp->string);
664: if (lastdigit != NULL) {
665: if (lastpoint == NULL)
666: lastpoint = lastdigit + 1;
667: intsz = 0;
668: buf[1] = '\0';
669: for (cp = dp->string; cp < lastpoint; cp++) {
670: buf[0] = cp[0];
671: intsz += term_strlen(tp, buf);
672: }
673:
674: /*
675: * Pad left to match the decimal position,
676: * but avoid exceeding the total column width.
677: */
678:
679: if (col->decimal > intsz && col->width > totsz) {
680: padl = col->decimal - intsz;
681: if (padl + totsz > col->width)
682: padl = col->width - totsz;
683: }
1.2 kristaps 684:
1.60 schwarze 685: /* If it is not a number, simply center the string. */
1.2 kristaps 686:
1.60 schwarze 687: } else if (col->width > totsz)
688: padl = (col->width - totsz) / 2;
689:
690: tbl_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 691: tbl_word(tp, dp);
1.60 schwarze 692:
693: /* Pad right to fill the column. */
694:
695: if (col->width > padl + totsz)
696: tbl_char(tp, ASCII_NBRSP, col->width - padl - totsz);
1.2 kristaps 697: }
698:
1.29 schwarze 699: static void
700: tbl_word(struct termp *tp, const struct tbl_dat *dp)
701: {
1.38 schwarze 702: int prev_font;
1.29 schwarze 703:
1.38 schwarze 704: prev_font = tp->fonti;
1.29 schwarze 705: if (dp->layout->flags & TBL_CELL_BOLD)
706: term_fontpush(tp, TERMFONT_BOLD);
707: else if (dp->layout->flags & TBL_CELL_ITALIC)
708: term_fontpush(tp, TERMFONT_UNDER);
709:
710: term_word(tp, dp->string);
711:
712: term_fontpopq(tp, prev_font);
713: }
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