Annotation of mandoc/tbl_term.c, Revision 1.46
1.46 ! schwarze 1: /* $Id: tbl_term.c,v 1.45 2017/06/07 17:38:26 schwarze Exp $ */
1.1 kristaps 2: /*
1.20 kristaps 3: * Copyright (c) 2009, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.44 schwarze 4: * Copyright (c) 2011,2012,2014,2015,2017 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 *);
1.46 ! schwarze 33: static size_t term_tbl_sulen(const struct roffsu *, void *);
1.12 kristaps 34: static void tbl_char(struct termp *, char, size_t);
1.25 schwarze 35: static void tbl_data(struct termp *, const struct tbl_opts *,
1.27 schwarze 36: const struct tbl_dat *,
1.11 kristaps 37: const struct roffcol *);
1.27 schwarze 38: static void tbl_literal(struct termp *, const struct tbl_dat *,
1.11 kristaps 39: const struct roffcol *);
1.27 schwarze 40: static void tbl_number(struct termp *, const struct tbl_opts *,
41: const struct tbl_dat *,
1.11 kristaps 42: const struct roffcol *);
1.33 schwarze 43: static void tbl_hrule(struct termp *, const struct tbl_span *, int);
1.29 schwarze 44: static void tbl_word(struct termp *, const struct tbl_dat *);
1.11 kristaps 45:
46:
47: static size_t
1.46 ! schwarze 48: term_tbl_sulen(const struct roffsu *su, void *arg)
! 49: {
! 50: return term_hspan((const struct termp *)arg, su) / 24;
! 51: }
! 52:
! 53: static size_t
1.11 kristaps 54: term_tbl_strlen(const char *p, void *arg)
55: {
1.42 schwarze 56: return term_strlen((const struct termp *)arg, p);
1.11 kristaps 57: }
58:
59: static size_t
60: term_tbl_len(size_t sz, void *arg)
61: {
1.42 schwarze 62: return term_len((const struct termp *)arg, sz);
1.11 kristaps 63: }
1.1 kristaps 64:
65: void
66: term_tbl(struct termp *tp, const struct tbl_span *sp)
67: {
1.33 schwarze 68: const struct tbl_cell *cp;
1.11 kristaps 69: const struct tbl_dat *dp;
1.34 schwarze 70: static size_t offset;
1.44 schwarze 71: size_t tsz;
1.36 schwarze 72: int ic, horiz, spans, vert;
1.39 schwarze 73:
1.4 kristaps 74: /* Inhibit printing of spaces: we do padding ourselves. */
75:
1.44 schwarze 76: tp->flags |= TERMP_NOSPACE | TERMP_NONOSPACE | TERMP_BRNEVER;
1.4 kristaps 77:
78: /*
1.11 kristaps 79: * The first time we're invoked for a given table block,
80: * calculate the table widths and decimal positions.
1.4 kristaps 81: */
82:
1.37 schwarze 83: if (tp->tbl.cols == NULL) {
1.11 kristaps 84: tp->tbl.len = term_tbl_len;
85: tp->tbl.slen = term_tbl_strlen;
1.46 ! schwarze 86: tp->tbl.sulen = term_tbl_sulen;
1.11 kristaps 87: tp->tbl.arg = tp;
1.4 kristaps 88:
1.45 schwarze 89: tblcalc(&tp->tbl, sp, tp->tcol->rmargin - tp->tcol->offset);
1.1 kristaps 90:
1.34 schwarze 91: /* Center the table as a whole. */
92:
1.45 schwarze 93: offset = tp->tcol->offset;
1.34 schwarze 94: if (sp->opts->opts & TBL_OPT_CENTRE) {
95: tsz = sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)
96: ? 2 : !!sp->opts->lvert + !!sp->opts->rvert;
1.36 schwarze 97: for (ic = 0; ic < sp->opts->cols; ic++)
98: tsz += tp->tbl.cols[ic].width + 3;
1.34 schwarze 99: tsz -= 3;
1.45 schwarze 100: if (offset + tsz > tp->tcol->rmargin)
1.34 schwarze 101: tsz -= 1;
1.45 schwarze 102: tp->tcol->offset = offset + tp->tcol->rmargin > tsz ?
103: (offset + tp->tcol->rmargin - tsz) / 2 : 0;
1.34 schwarze 104: }
105:
1.33 schwarze 106: /* Horizontal frame at the start of boxed tables. */
1.4 kristaps 107:
1.33 schwarze 108: if (sp->opts->opts & TBL_OPT_DBOX)
109: tbl_hrule(tp, sp, 2);
110: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX))
111: tbl_hrule(tp, sp, 1);
1.21 schwarze 112: }
1.1 kristaps 113:
1.4 kristaps 114: /* Vertical frame at the start of each row. */
1.1 kristaps 115:
1.33 schwarze 116: horiz = sp->pos == TBL_SPAN_HORIZ || sp->pos == TBL_SPAN_DHORIZ;
117:
118: if (sp->layout->vert ||
119: (sp->prev != NULL && sp->prev->layout->vert) ||
120: sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX))
121: term_word(tp, horiz ? "+" : "|");
122: else if (sp->opts->lvert)
123: tbl_char(tp, horiz ? '-' : ASCII_NBRSP, 1);
1.1 kristaps 124:
1.4 kristaps 125: /*
126: * Now print the actual data itself depending on the span type.
1.36 schwarze 127: * Match data cells to column numbers.
1.4 kristaps 128: */
129:
1.33 schwarze 130: if (sp->pos == TBL_SPAN_DATA) {
131: cp = sp->layout->first;
1.4 kristaps 132: dp = sp->first;
1.16 kristaps 133: spans = 0;
1.36 schwarze 134: for (ic = 0; ic < sp->opts->cols; ic++) {
1.22 schwarze 135:
1.27 schwarze 136: /*
1.33 schwarze 137: * Remeber whether we need a vertical bar
138: * after this cell.
1.16 kristaps 139: */
1.11 kristaps 140:
1.33 schwarze 141: vert = cp == NULL ? 0 : cp->vert;
1.21 schwarze 142:
1.33 schwarze 143: /*
144: * Print the data and advance to the next cell.
145: */
1.21 schwarze 146:
1.33 schwarze 147: if (spans == 0) {
1.36 schwarze 148: tbl_data(tp, sp->opts, dp, tp->tbl.cols + ic);
1.33 schwarze 149: if (dp != NULL) {
150: spans = dp->spans;
151: dp = dp->next;
152: }
153: } else
154: spans--;
155: if (cp != NULL)
156: cp = cp->next;
1.1 kristaps 157:
1.27 schwarze 158: /*
1.33 schwarze 159: * Separate columns, except in the middle
160: * of spans and after the last cell.
1.16 kristaps 161: */
162:
1.36 schwarze 163: if (ic + 1 == sp->opts->cols || spans)
1.33 schwarze 164: continue;
165:
166: tbl_char(tp, ASCII_NBRSP, 1);
167: if (vert > 0)
168: tbl_char(tp, '|', vert);
1.36 schwarze 169: if (vert < 2)
1.33 schwarze 170: tbl_char(tp, ASCII_NBRSP, 2 - vert);
1.1 kristaps 171: }
1.33 schwarze 172: } else if (horiz)
173: tbl_hrule(tp, sp, 0);
1.1 kristaps 174:
1.21 schwarze 175: /* Vertical frame at the end of each row. */
176:
1.33 schwarze 177: if (sp->layout->last->vert ||
178: (sp->prev != NULL && sp->prev->layout->last->vert) ||
179: (sp->opts->opts & (TBL_OPT_BOX | TBL_OPT_DBOX)))
180: term_word(tp, horiz ? "+" : " |");
181: else if (sp->opts->rvert)
182: tbl_char(tp, horiz ? '-' : ASCII_NBRSP, 1);
1.1 kristaps 183: term_flushln(tp);
184:
1.4 kristaps 185: /*
186: * If we're the last row, clean up after ourselves: clear the
187: * existing table configuration and set it to NULL.
188: */
189:
1.37 schwarze 190: if (sp->next == NULL) {
1.33 schwarze 191: if (sp->opts->opts & (TBL_OPT_DBOX | TBL_OPT_BOX)) {
192: tbl_hrule(tp, sp, 1);
1.24 schwarze 193: tp->skipvsp = 1;
194: }
1.33 schwarze 195: if (sp->opts->opts & TBL_OPT_DBOX) {
196: tbl_hrule(tp, sp, 2);
1.24 schwarze 197: tp->skipvsp = 2;
198: }
1.11 kristaps 199: assert(tp->tbl.cols);
200: free(tp->tbl.cols);
201: tp->tbl.cols = NULL;
1.45 schwarze 202: tp->tcol->offset = offset;
1.2 kristaps 203: }
1.44 schwarze 204: tp->flags &= ~(TERMP_NONOSPACE | TERMP_BRNEVER);
1.1 kristaps 205: }
206:
1.21 schwarze 207: /*
1.33 schwarze 208: * Kinds of horizontal rulers:
209: * 0: inside the table (single or double line with crossings)
210: * 1: inner frame (single line with crossings and ends)
211: * 2: outer frame (single line without crossings with ends)
1.21 schwarze 212: */
1.1 kristaps 213: static void
1.33 schwarze 214: tbl_hrule(struct termp *tp, const struct tbl_span *sp, int kind)
1.1 kristaps 215: {
1.33 schwarze 216: const struct tbl_cell *c1, *c2;
217: int vert;
218: char line, cross;
219:
220: line = (kind == 0 && TBL_SPAN_DHORIZ == sp->pos) ? '=' : '-';
221: cross = (kind < 2) ? '+' : '-';
222:
223: if (kind)
224: term_word(tp, "+");
225: c1 = sp->layout->first;
226: c2 = sp->prev == NULL ? NULL : sp->prev->layout->first;
227: if (c2 == c1)
228: c2 = NULL;
229: for (;;) {
1.36 schwarze 230: tbl_char(tp, line, tp->tbl.cols[c1->col].width + 1);
1.33 schwarze 231: vert = c1->vert;
232: if ((c1 = c1->next) == NULL)
233: break;
234: if (c2 != NULL) {
235: if (vert < c2->vert)
236: vert = c2->vert;
237: c2 = c2->next;
238: }
239: if (vert)
240: tbl_char(tp, cross, vert);
241: if (vert < 2)
242: tbl_char(tp, line, 2 - vert);
1.22 schwarze 243: }
1.33 schwarze 244: if (kind) {
245: term_word(tp, "+");
246: term_flushln(tp);
1.22 schwarze 247: }
1.1 kristaps 248: }
249:
250: static void
1.25 schwarze 251: tbl_data(struct termp *tp, const struct tbl_opts *opts,
1.27 schwarze 252: const struct tbl_dat *dp,
253: const struct roffcol *col)
1.1 kristaps 254: {
255:
1.35 schwarze 256: if (dp == NULL) {
1.11 kristaps 257: tbl_char(tp, ASCII_NBRSP, col->width);
1.1 kristaps 258: return;
259: }
260:
261: switch (dp->pos) {
1.27 schwarze 262: case TBL_DATA_NONE:
1.11 kristaps 263: tbl_char(tp, ASCII_NBRSP, col->width);
1.10 kristaps 264: return;
1.27 schwarze 265: case TBL_DATA_HORIZ:
266: case TBL_DATA_NHORIZ:
1.11 kristaps 267: tbl_char(tp, '-', col->width);
1.7 kristaps 268: return;
1.27 schwarze 269: case TBL_DATA_NDHORIZ:
270: case TBL_DATA_DHORIZ:
1.11 kristaps 271: tbl_char(tp, '=', col->width);
1.1 kristaps 272: return;
273: default:
274: break;
275: }
1.27 schwarze 276:
1.16 kristaps 277: switch (dp->layout->pos) {
1.27 schwarze 278: case TBL_CELL_HORIZ:
1.11 kristaps 279: tbl_char(tp, '-', col->width);
1.7 kristaps 280: break;
1.27 schwarze 281: case TBL_CELL_DHORIZ:
1.11 kristaps 282: tbl_char(tp, '=', col->width);
1.1 kristaps 283: break;
1.27 schwarze 284: case TBL_CELL_LONG:
285: case TBL_CELL_CENTRE:
286: case TBL_CELL_LEFT:
287: case TBL_CELL_RIGHT:
1.11 kristaps 288: tbl_literal(tp, dp, col);
1.1 kristaps 289: break;
1.27 schwarze 290: case TBL_CELL_NUMBER:
1.25 schwarze 291: tbl_number(tp, opts, dp, col);
1.18 kristaps 292: break;
1.27 schwarze 293: case TBL_CELL_DOWN:
1.18 kristaps 294: tbl_char(tp, ASCII_NBRSP, col->width);
1.1 kristaps 295: break;
296: default:
297: abort();
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: {
1.36 schwarze 320: size_t len, padl, padr, width;
321: int ic, spans;
1.1 kristaps 322:
1.17 kristaps 323: assert(dp->string);
1.21 schwarze 324: len = term_strlen(tp, dp->string);
1.23 schwarze 325: width = col->width;
1.36 schwarze 326: ic = dp->layout->col;
327: spans = dp->spans;
328: while (spans--)
329: width += tp->tbl.cols[++ic].width + 3;
1.23 schwarze 330:
331: padr = width > len ? width - len : 0;
1.21 schwarze 332: padl = 0;
1.1 kristaps 333:
1.16 kristaps 334: switch (dp->layout->pos) {
1.27 schwarze 335: case TBL_CELL_LONG:
1.21 schwarze 336: padl = term_len(tp, 1);
337: padr = padr > padl ? padr - padl : 0;
1.1 kristaps 338: break;
1.27 schwarze 339: case TBL_CELL_CENTRE:
1.21 schwarze 340: if (2 > padr)
1.19 schwarze 341: break;
1.21 schwarze 342: padl = padr / 2;
1.19 schwarze 343: padr -= padl;
1.1 kristaps 344: break;
1.27 schwarze 345: case TBL_CELL_RIGHT:
1.21 schwarze 346: padl = padr;
347: padr = 0;
1.1 kristaps 348: break;
349: default:
350: break;
351: }
352:
353: tbl_char(tp, ASCII_NBRSP, padl);
1.29 schwarze 354: tbl_word(tp, dp);
1.21 schwarze 355: tbl_char(tp, ASCII_NBRSP, padr);
1.1 kristaps 356: }
357:
358: static void
1.25 schwarze 359: tbl_number(struct termp *tp, const struct tbl_opts *opts,
1.2 kristaps 360: const struct tbl_dat *dp,
1.11 kristaps 361: const struct roffcol *col)
1.1 kristaps 362: {
1.11 kristaps 363: char *cp;
364: char buf[2];
365: size_t sz, psz, ssz, d, padl;
366: int i;
1.1 kristaps 367:
368: /*
369: * See calc_data_number(). Left-pad by taking the offset of our
370: * and the maximum decimal; right-pad by the remaining amount.
371: */
372:
1.17 kristaps 373: assert(dp->string);
1.2 kristaps 374:
1.17 kristaps 375: sz = term_strlen(tp, dp->string);
1.2 kristaps 376:
1.25 schwarze 377: buf[0] = opts->decimal;
1.11 kristaps 378: buf[1] = '\0';
1.2 kristaps 379:
1.11 kristaps 380: psz = term_strlen(tp, buf);
1.10 kristaps 381:
1.35 schwarze 382: if ((cp = strrchr(dp->string, opts->decimal)) != NULL) {
1.17 kristaps 383: for (ssz = 0, i = 0; cp != &dp->string[i]; i++) {
384: buf[0] = dp->string[i];
1.5 kristaps 385: ssz += term_strlen(tp, buf);
386: }
387: d = ssz + psz;
388: } else
389: d = sz + psz;
1.2 kristaps 390:
1.32 schwarze 391: if (col->decimal > d && col->width > sz) {
392: padl = col->decimal - d;
393: if (padl + sz > col->width)
394: padl = col->width - sz;
395: tbl_char(tp, ASCII_NBRSP, padl);
396: } else
397: padl = 0;
1.29 schwarze 398: tbl_word(tp, dp);
1.21 schwarze 399: if (col->width > sz + padl)
400: tbl_char(tp, ASCII_NBRSP, col->width - sz - padl);
1.2 kristaps 401: }
402:
1.29 schwarze 403: static void
404: tbl_word(struct termp *tp, const struct tbl_dat *dp)
405: {
1.38 schwarze 406: int prev_font;
1.29 schwarze 407:
1.38 schwarze 408: prev_font = tp->fonti;
1.29 schwarze 409: if (dp->layout->flags & TBL_CELL_BOLD)
410: term_fontpush(tp, TERMFONT_BOLD);
411: else if (dp->layout->flags & TBL_CELL_ITALIC)
412: term_fontpush(tp, TERMFONT_UNDER);
413:
414: term_word(tp, dp->string);
415:
416: term_fontpopq(tp, prev_font);
417: }
CVSweb
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to tbl_term.c CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [cvsweb.bsd.lv] / mandoc