Annotation of mandoc/tbl_term.c, Revision 1.33
1.33 ! schwarze 1: /* $Id: tbl_term.c,v 1.32 2014/12/24 15:38:55 schwarze Exp $ */
1.1 kristaps 2: /*
1.20 kristaps 3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.33 ! schwarze 4: * Copyright (c) 2011, 2012, 2014, 2015 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>
23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
27: #include "mandoc.h"
28: #include "out.h"
29: #include "term.h"
30:
1.11 kristaps 31: static size_t term_tbl_len(size_t, void *);
32: static size_t term_tbl_strlen(const char *, void *);
1.12 kristaps 33: static void tbl_char(struct termp *, char, size_t);
1.25 schwarze 34: static void tbl_data(struct termp *, const struct tbl_opts *,
1.27 schwarze 35: const struct tbl_dat *,
1.11 kristaps 36: const struct roffcol *);
1.27 schwarze 37: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.11 kristaps 38: const struct roffcol *);
1.27 schwarze 39: static void tbl_number(struct termp *, const struct tbl_opts *,
40: const struct tbl_dat *,
1.11 kristaps 41: const struct roffcol *);
1.33 ! schwarze 42: static void tbl_hrule(struct termp *, const struct tbl_span *, int);
1.29 schwarze 43: static void tbl_word(struct termp *, const struct tbl_dat *);
1.11 kristaps 44:
45:
46: static size_t
47: term_tbl_strlen(const char *p, void *arg)
48: {
49:
50: return(term_strlen((const struct termp *)arg, p));
51: }
52:
53: static size_t
54: term_tbl_len(size_t sz, void *arg)
55: {
56:
57: return(term_len((const struct termp *)arg, sz));
58: }
1.1 kristaps 59:
60: void
61: term_tbl(struct termp *tp, const struct tbl_span *sp)
62: {
1.11 kristaps 63: const struct tbl_head *hp;
1.33 ! schwarze 64: const struct tbl_cell *cp;
1.11 kristaps 65: const struct tbl_dat *dp;
1.33 ! schwarze 66: int horiz, spans, vert;
1.27 schwarze 67: size_t rmargin, maxrmargin;
1.11 kristaps 68:
69: rmargin = tp->rmargin;
70: maxrmargin = tp->maxrmargin;
71:
72: tp->rmargin = tp->maxrmargin = TERM_MAXMARGIN;
1.1 kristaps 73:
1.4 kristaps 74: /* Inhibit printing of spaces: we do padding ourselves. */
75:
76: tp->flags |= TERMP_NONOSPACE;
77: tp->flags |= TERMP_NOSPACE;
78:
79: /*
1.11 kristaps 80: * The first time we're invoked for a given table block,
81: * calculate the table widths and decimal positions.
1.4 kristaps 82: */
83:
1.33 ! schwarze 84: if (sp->flags & TBL_SPAN_FIRST) {
1.11 kristaps 85: term_flushln(tp);
86:
87: tp->tbl.len = term_tbl_len;
88: tp->tbl.slen = term_tbl_strlen;
89: tp->tbl.arg = tp;
1.4 kristaps 90:
1.30 schwarze 91: tblcalc(&tp->tbl, sp, rmargin - tp->offset);
1.1 kristaps 92:
1.33 ! schwarze 93: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 94:
1.33 ! schwarze 95: if (sp->opts->opts & TBL_OPT_DBOX)
! 96: tbl_hrule(tp, sp, 2);
! 97: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
! 98: tbl_hrule(tp, sp, 1);
1.21 schwarze 99: }
1.1 kristaps 100:
1.4 kristaps 101: /* Vertical frame at the start of each row. */
1.1 kristaps 102:
1.33 ! schwarze 103: horiz = sp->pos == TBL_SPAN_HORIZ || sp->pos == TBL_SPAN_DHORIZ;
! 104:
! 105: if (sp->layout->vert ||
! 106: (sp->prev != NULL && sp->prev->layout->vert) ||
! 107: sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
! 108: term_word(tp, horiz ? "+" : "|");
! 109: else if (sp->opts->lvert)
! 110: tbl_char(tp, horiz ? '-' : ASCII_NBRSP, 1);
1.1 kristaps 111:
1.4 kristaps 112: /*
113: * Now print the actual data itself depending on the span type.
114: * Spanner spans get a horizontal rule; data spanners have their
115: * data printed by matching data to header.
116: */
117:
1.33 ! schwarze 118: if (sp->pos == TBL_SPAN_DATA) {
1.4 kristaps 119: /* Iterate over template headers. */
1.33 ! schwarze 120: cp = sp->layout->first;
1.4 kristaps 121: dp = sp->first;
1.16 kristaps 122: spans = 0;
1.33 ! schwarze 123: for (hp = sp->head; hp != NULL; hp = hp->next) {
1.22 schwarze 124:
1.27 schwarze 125: /*
1.33 ! schwarze 126: * Remeber whether we need a vertical bar
! 127: * after this cell.
1.16 kristaps 128: */
1.11 kristaps 129:
1.33 ! schwarze 130: vert = cp == NULL ? 0 : cp->vert;
1.21 schwarze 131:
1.33 ! schwarze 132: /*
! 133: * Print the data and advance to the next cell.
! 134: */
1.21 schwarze 135:
1.33 ! schwarze 136: if (spans == 0) {
! 137: tbl_data(tp, sp->opts, dp,
! 138: tp->tbl.cols + hp->ident);
! 139: if (dp != NULL) {
! 140: spans = dp->spans;
! 141: dp = dp->next;
! 142: }
! 143: } else
! 144: spans--;
! 145: if (cp != NULL)
! 146: cp = cp->next;
1.1 kristaps 147:
1.27 schwarze 148: /*
1.33 ! schwarze 149: * Separate columns, except in the middle
! 150: * of spans and after the last cell.
1.16 kristaps 151: */
152:
1.33 ! schwarze 153: if (hp->next == NULL || spans)
! 154: continue;
! 155:
! 156: tbl_char(tp, ASCII_NBRSP, 1);
! 157: if (vert > 0)
! 158: tbl_char(tp, '|', vert);
! 159: if (vert < 2 && hp->next != NULL)
! 160: tbl_char(tp, ASCII_NBRSP, 2 - vert);
1.1 kristaps 161: }
1.33 ! schwarze 162: } else if (horiz)
! 163: tbl_hrule(tp, sp, 0);
1.1 kristaps 164:
1.21 schwarze 165: /* Vertical frame at the end of each row. */
166:
1.33 ! schwarze 167: if (sp->layout->last->vert ||
! 168: (sp->prev != NULL && sp->prev->layout->last->vert) ||
! 169: (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
! 170: term_word(tp, horiz ? "+" : " |");
! 171: else if (sp->opts->rvert)
! 172: tbl_char(tp, horiz ? '-' : ASCII_NBRSP, 1);
1.1 kristaps 173: term_flushln(tp);
174:
1.4 kristaps 175: /*
176: * If we're the last row, clean up after ourselves: clear the
177: * existing table configuration and set it to NULL.
178: */
179:
1.33 ! schwarze 180: if (sp->flags & TBL_SPAN_LAST) {
! 181: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
! 182: tbl_hrule(tp, sp, 1);
1.24 schwarze 183: tp->skipvsp = 1;
184: }
1.33 ! schwarze 185: if (sp->opts->opts & TBL_OPT_DBOX) {
! 186: tbl_hrule(tp, sp, 2);
1.24 schwarze 187: tp->skipvsp = 2;
188: }
1.11 kristaps 189: assert(tp->tbl.cols);
190: free(tp->tbl.cols);
191: tp->tbl.cols = NULL;
1.2 kristaps 192: }
1.1 kristaps 193:
194: tp->flags &= ~TERMP_NONOSPACE;
1.11 kristaps 195: tp->rmargin = rmargin;
196: tp->maxrmargin = maxrmargin;
1.1 kristaps 197:
198: }
199:
1.21 schwarze 200: /*
1.33 ! schwarze 201: * Kinds of horizontal rulers:
! 202: * 0: inside the table (single or double line with crossings)
! 203: * 1: inner frame (single line with crossings and ends)
! 204: * 2: outer frame (single line without crossings with ends)
1.21 schwarze 205: */
1.1 kristaps 206: static void
1.33 ! schwarze 207: tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
1.1 kristaps 208: {
1.33 ! schwarze 209: const struct tbl_cell *c1, *c2;
! 210: int vert;
! 211: char line, cross;
! 212:
! 213: line = (kind == 0 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
! 214: cross = (kind < 2) ? '+' : '-';
! 215:
! 216: if (kind)
! 217: term_word(tp, "+");
! 218: c1 = sp->layout->first;
! 219: c2 = sp->prev == NULL ? NULL : sp->prev->layout->first;
! 220: if (c2 == c1)
! 221: c2 = NULL;
! 222: for (;;) {
! 223: tbl_char(tp, line, tp->tbl.cols[c1->head->ident].width + 1);
! 224: vert = c1->vert;
! 225: if ((c1 = c1->next) == NULL)
! 226: break;
! 227: if (c2 != NULL) {
! 228: if (vert < c2->vert)
! 229: vert = c2->vert;
! 230: c2 = c2->next;
! 231: }
! 232: if (vert)
! 233: tbl_char(tp, cross, vert);
! 234: if (vert < 2)
! 235: tbl_char(tp, line, 2 - vert);
1.22 schwarze 236: }
1.33 ! schwarze 237: if (kind) {
! 238: term_word(tp, "+");
! 239: term_flushln(tp);
1.22 schwarze 240: }
1.1 kristaps 241: }
242:
243: static void
1.25 schwarze 244: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.27 schwarze 245: const struct tbl_dat *dp,
246: const struct roffcol *col)
1.1 kristaps 247: {
248:
249: if (NULL == dp) {
1.11 kristaps 250: tbl_char(tp, ASCII_NBRSP, col->width);
1.1 kristaps 251: return;
252: }
1.16 kristaps 253: assert(dp->layout);
1.1 kristaps 254:
255: switch (dp->pos) {
1.27 schwarze 256: case TBL_DATA_NONE:
1.11 kristaps 257: tbl_char(tp, ASCII_NBRSP, col->width);
1.10 kristaps 258: return;
1.27 schwarze 259: case TBL_DATA_HORIZ:
1.1 kristaps 260: /* FALLTHROUGH */
1.27 schwarze 261: case TBL_DATA_NHORIZ:
1.11 kristaps 262: tbl_char(tp, '-', col->width);
1.7 kristaps 263: return;
1.27 schwarze 264: case TBL_DATA_NDHORIZ:
1.7 kristaps 265: /* FALLTHROUGH */
1.27 schwarze 266: case TBL_DATA_DHORIZ:
1.11 kristaps 267: tbl_char(tp, '=', col->width);
1.1 kristaps 268: return;
269: default:
270: break;
271: }
1.27 schwarze 272:
1.16 kristaps 273: switch (dp->layout->pos) {
1.27 schwarze 274: case TBL_CELL_HORIZ:
1.11 kristaps 275: tbl_char(tp, '-', col->width);
1.7 kristaps 276: break;
1.27 schwarze 277: case TBL_CELL_DHORIZ:
1.11 kristaps 278: tbl_char(tp, '=', col->width);
1.1 kristaps 279: break;
1.27 schwarze 280: case TBL_CELL_LONG:
1.1 kristaps 281: /* FALLTHROUGH */
1.27 schwarze 282: case TBL_CELL_CENTRE:
1.1 kristaps 283: /* FALLTHROUGH */
1.27 schwarze 284: case TBL_CELL_LEFT:
1.1 kristaps 285: /* FALLTHROUGH */
1.27 schwarze 286: case TBL_CELL_RIGHT:
1.11 kristaps 287: tbl_literal(tp, dp, col);
1.1 kristaps 288: break;
1.27 schwarze 289: case TBL_CELL_NUMBER:
1.25 schwarze 290: tbl_number(tp, opts, dp, col);
1.18 kristaps 291: break;
1.27 schwarze 292: case TBL_CELL_DOWN:
1.18 kristaps 293: tbl_char(tp, ASCII_NBRSP, col->width);
1.1 kristaps 294: break;
295: default:
296: abort();
297: /* NOTREACHED */
298: }
299: }
300:
301: static void
1.12 kristaps 302: tbl_char(struct termp *tp, char c, size_t len)
1.1 kristaps 303: {
1.12 kristaps 304: size_t i, sz;
305: char cp[2];
306:
307: cp[0] = c;
308: cp[1] = '\0';
1.1 kristaps 309:
1.3 kristaps 310: sz = term_strlen(tp, cp);
311:
312: for (i = 0; i < len; i += sz)
1.1 kristaps 313: term_word(tp, cp);
314: }
315:
316: static void
1.27 schwarze 317: tbl_literal(struct termp *tp, const struct tbl_dat *dp,
1.11 kristaps 318: const struct roffcol *col)
1.1 kristaps 319: {
1.23 schwarze 320: struct tbl_head *hp;
321: size_t width, len, padl, padr;
322: int spans;
1.1 kristaps 323:
1.17 kristaps 324: assert(dp->string);
1.21 schwarze 325: len = term_strlen(tp, dp->string);
1.23 schwarze 326:
327: hp = dp->layout->head->next;
328: width = col->width;
329: for (spans = dp->spans; spans--; hp = hp->next)
330: width += tp->tbl.cols[hp->ident].width + 3;
331:
332: padr = width > len ? width - len : 0;
1.21 schwarze 333: padl = 0;
1.1 kristaps 334:
1.16 kristaps 335: switch (dp->layout->pos) {
1.27 schwarze 336: case TBL_CELL_LONG:
1.21 schwarze 337: padl = term_len(tp, 1);
338: padr = padr > padl ? padr - padl : 0;
1.1 kristaps 339: break;
1.27 schwarze 340: case TBL_CELL_CENTRE:
1.21 schwarze 341: if (2 > padr)
1.19 schwarze 342: break;
1.21 schwarze 343: padl = padr / 2;
1.19 schwarze 344: padr -= padl;
1.1 kristaps 345: break;
1.27 schwarze 346: case TBL_CELL_RIGHT:
1.21 schwarze 347: padl = padr;
348: padr = 0;
1.1 kristaps 349: break;
350: default:
351: break;
352: }
353:
354: tbl_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 355: tbl_word(tp, dp);
1.21 schwarze 356: tbl_char(tp, ASCII_NBRSP, padr);
1.1 kristaps 357: }
358:
359: static void
1.25 schwarze 360: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.2 kristaps 361: const struct tbl_dat *dp,
1.11 kristaps 362: const struct roffcol *col)
1.1 kristaps 363: {
1.11 kristaps 364: char *cp;
365: char buf[2];
366: size_t sz, psz, ssz, d, padl;
367: int i;
1.1 kristaps 368:
369: /*
370: * See calc_data_number(). Left-pad by taking the offset of our
371: * and the maximum decimal; right-pad by the remaining amount.
372: */
373:
1.17 kristaps 374: assert(dp->string);
1.2 kristaps 375:
1.17 kristaps 376: sz = term_strlen(tp, dp->string);
1.2 kristaps 377:
1.25 schwarze 378: buf[0] = opts->decimal;
1.11 kristaps 379: buf[1] = '\0';
1.2 kristaps 380:
1.11 kristaps 381: psz = term_strlen(tp, buf);
1.10 kristaps 382:
1.25 schwarze 383: if (NULL != (cp = strrchr(dp->string, opts->decimal))) {
1.5 kristaps 384: buf[1] = '\0';
1.17 kristaps 385: for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
386: buf[0] = dp->string[i];
1.5 kristaps 387: ssz += term_strlen(tp, buf);
388: }
389: d = ssz + psz;
390: } else
391: d = sz + psz;
1.2 kristaps 392:
1.32 schwarze 393: if (col->decimal > d && col->width > sz) {
394: padl = col->decimal - d;
395: if (padl + sz > col->width)
396: padl = col->width - sz;
397: tbl_char(tp, ASCII_NBRSP, padl);
398: } else
399: padl = 0;
1.29 schwarze 400: tbl_word(tp, dp);
1.21 schwarze 401: if (col->width > sz + padl)
402: tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
1.2 kristaps 403: }
404:
1.29 schwarze 405: static void
406: tbl_word(struct termp *tp, const struct tbl_dat *dp)
407: {
408: const void *prev_font;
409:
410: prev_font = term_fontq(tp);
411: if (dp->layout->flags & TBL_CELL_BOLD)
412: term_fontpush(tp, TERMFONT_BOLD);
413: else if (dp->layout->flags & TBL_CELL_ITALIC)
414: term_fontpush(tp, TERMFONT_UNDER);
415:
416: term_word(tp, dp->string);
417:
418: term_fontpopq(tp, prev_font);
419: }
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