Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.57
1.57 ! schwarze 1: /* $Id: man_term.c,v 1.56 2010/12/19 07:53:12 schwarze Exp $ */
1.1 kristaps 2: /*
1.44 schwarze 3: * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.57 ! schwarze 4: * Copyright (c) 2010, 2011 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.2 schwarze 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.
1.1 kristaps 17: */
1.13 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
1.11 schwarze 21: #include <ctype.h>
1.1 kristaps 22: #include <stdio.h>
23: #include <stdlib.h>
24: #include <string.h>
25:
1.37 schwarze 26: #include "mandoc.h"
1.18 schwarze 27: #include "out.h"
28: #include "man.h"
1.1 kristaps 29: #include "term.h"
1.18 schwarze 30: #include "chars.h"
31: #include "main.h"
1.47 schwarze 32: #include "tbl.h"
1.10 schwarze 33:
34: #define INDENT 7
35: #define HALFINDENT 3
1.1 kristaps 36:
1.19 schwarze 37: /* FIXME: have PD set the default vspace width. */
38:
1.11 schwarze 39: struct mtermp {
40: int fl;
41: #define MANT_LITERAL (1 << 0)
1.13 schwarze 42: /*
43: * Default amount to indent the left margin after leading text
44: * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
45: * indent). This needs to be saved because `HP' and so on, if
46: * not having a specified value, must default.
47: *
48: * Note that this is the indentation AFTER the left offset, so
49: * the total offset is usually offset + lmargin.
50: */
51: size_t lmargin;
52: /*
53: * The default offset, i.e., the amount between any text and the
54: * page boundary.
55: */
56: size_t offset;
1.11 schwarze 57: };
58:
1.1 kristaps 59: #define DECL_ARGS struct termp *p, \
1.11 schwarze 60: struct mtermp *mt, \
1.1 kristaps 61: const struct man_node *n, \
62: const struct man_meta *m
63:
64: struct termact {
65: int (*pre)(DECL_ARGS);
66: void (*post)(DECL_ARGS);
1.26 schwarze 67: int flags;
68: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 69: };
70:
1.42 schwarze 71: static int a2width(const struct termp *, const char *);
72: static size_t a2height(const struct termp *, const char *);
1.18 schwarze 73:
1.21 schwarze 74: static void print_man_nodelist(DECL_ARGS);
1.19 schwarze 75: static void print_man_node(DECL_ARGS);
1.41 schwarze 76: static void print_man_head(struct termp *, const void *);
77: static void print_man_foot(struct termp *, const void *);
1.18 schwarze 78: static void print_bvspace(struct termp *,
79: const struct man_node *);
80:
1.51 schwarze 81: static int pre_alternate(DECL_ARGS);
1.1 kristaps 82: static int pre_B(DECL_ARGS);
1.11 schwarze 83: static int pre_HP(DECL_ARGS);
1.1 kristaps 84: static int pre_I(DECL_ARGS);
85: static int pre_IP(DECL_ARGS);
86: static int pre_PP(DECL_ARGS);
1.13 schwarze 87: static int pre_RS(DECL_ARGS);
1.1 kristaps 88: static int pre_SH(DECL_ARGS);
89: static int pre_SS(DECL_ARGS);
90: static int pre_TP(DECL_ARGS);
1.14 schwarze 91: static int pre_ign(DECL_ARGS);
1.45 schwarze 92: static int pre_in(DECL_ARGS);
93: static int pre_literal(DECL_ARGS);
1.11 schwarze 94: static int pre_sp(DECL_ARGS);
1.47 schwarze 95: static int pre_TS(DECL_ARGS);
1.52 schwarze 96: static int pre_ft(DECL_ARGS);
1.1 kristaps 97:
1.11 schwarze 98: static void post_IP(DECL_ARGS);
99: static void post_HP(DECL_ARGS);
1.13 schwarze 100: static void post_RS(DECL_ARGS);
1.1 kristaps 101: static void post_SH(DECL_ARGS);
102: static void post_SS(DECL_ARGS);
1.11 schwarze 103: static void post_TP(DECL_ARGS);
1.1 kristaps 104:
1.17 schwarze 105: static const struct termact termacts[MAN_MAX] = {
1.45 schwarze 106: { pre_sp, NULL, MAN_NOTEXT }, /* br */
1.26 schwarze 107: { NULL, NULL, 0 }, /* TH */
108: { pre_SH, post_SH, 0 }, /* SH */
109: { pre_SS, post_SS, 0 }, /* SS */
110: { pre_TP, post_TP, 0 }, /* TP */
111: { pre_PP, NULL, 0 }, /* LP */
112: { pre_PP, NULL, 0 }, /* PP */
113: { pre_PP, NULL, 0 }, /* P */
114: { pre_IP, post_IP, 0 }, /* IP */
115: { pre_HP, post_HP, 0 }, /* HP */
116: { NULL, NULL, 0 }, /* SM */
117: { pre_B, NULL, 0 }, /* SB */
1.51 schwarze 118: { pre_alternate, NULL, 0 }, /* BI */
119: { pre_alternate, NULL, 0 }, /* IB */
120: { pre_alternate, NULL, 0 }, /* BR */
121: { pre_alternate, NULL, 0 }, /* RB */
1.26 schwarze 122: { NULL, NULL, 0 }, /* R */
123: { pre_B, NULL, 0 }, /* B */
124: { pre_I, NULL, 0 }, /* I */
1.51 schwarze 125: { pre_alternate, NULL, 0 }, /* IR */
126: { pre_alternate, NULL, 0 }, /* RI */
1.26 schwarze 127: { NULL, NULL, MAN_NOTEXT }, /* na */
128: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.45 schwarze 129: { pre_literal, NULL, 0 }, /* nf */
130: { pre_literal, NULL, 0 }, /* fi */
1.26 schwarze 131: { NULL, NULL, 0 }, /* RE */
132: { pre_RS, post_RS, 0 }, /* RS */
133: { pre_ign, NULL, 0 }, /* DT */
134: { pre_ign, NULL, 0 }, /* UC */
135: { pre_ign, NULL, 0 }, /* PD */
1.36 schwarze 136: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 137: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.47 schwarze 138: { pre_TS, NULL, 0 }, /* TS */
139: { NULL, NULL, 0 }, /* TE */
1.52 schwarze 140: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.1 kristaps 141: };
1.11 schwarze 142:
1.1 kristaps 143:
144:
1.16 schwarze 145: void
1.18 schwarze 146: terminal_man(void *arg, const struct man *man)
1.1 kristaps 147: {
1.18 schwarze 148: struct termp *p;
149: const struct man_node *n;
150: const struct man_meta *m;
151: struct mtermp mt;
152:
153: p = (struct termp *)arg;
154:
1.39 schwarze 155: p->overstep = 0;
1.32 schwarze 156: p->maxrmargin = p->defrmargin;
1.42 schwarze 157: p->tabwidth = term_len(p, 5);
1.27 schwarze 158:
1.18 schwarze 159: if (NULL == p->symtab)
160: switch (p->enc) {
161: case (TERMENC_ASCII):
162: p->symtab = chars_init(CHARS_ASCII);
163: break;
164: default:
165: abort();
166: /* NOTREACHED */
167: }
168:
169: n = man_node(man);
170: m = man_meta(man);
1.1 kristaps 171:
1.41 schwarze 172: term_begin(p, print_man_head, print_man_foot, m);
1.1 kristaps 173: p->flags |= TERMP_NOSPACE;
1.11 schwarze 174:
175: mt.fl = 0;
1.42 schwarze 176: mt.lmargin = term_len(p, INDENT);
177: mt.offset = term_len(p, INDENT);
1.11 schwarze 178:
1.18 schwarze 179: if (n->child)
1.21 schwarze 180: print_man_nodelist(p, &mt, n->child, m);
1.41 schwarze 181:
182: term_end(p);
1.1 kristaps 183: }
184:
185:
1.42 schwarze 186: static size_t
187: a2height(const struct termp *p, const char *cp)
1.11 schwarze 188: {
1.18 schwarze 189: struct roffsu su;
1.11 schwarze 190:
1.42 schwarze 191: if ( ! a2roffsu(cp, &su, SCALE_VS))
192: SCALE_VS_INIT(&su, term_strlen(p, cp));
1.11 schwarze 193:
1.42 schwarze 194: return(term_vspan(p, &su));
1.11 schwarze 195: }
196:
197:
198: static int
1.42 schwarze 199: a2width(const struct termp *p, const char *cp)
1.11 schwarze 200: {
1.18 schwarze 201: struct roffsu su;
1.11 schwarze 202:
1.42 schwarze 203: if ( ! a2roffsu(cp, &su, SCALE_BU))
1.18 schwarze 204: return(-1);
205:
1.42 schwarze 206: return((int)term_hspan(p, &su));
1.18 schwarze 207: }
1.11 schwarze 208:
209:
1.18 schwarze 210: static void
211: print_bvspace(struct termp *p, const struct man_node *n)
212: {
213: term_newln(p);
1.11 schwarze 214:
1.18 schwarze 215: if (NULL == n->prev)
216: return;
1.11 schwarze 217:
1.18 schwarze 218: if (MAN_SS == n->prev->tok)
219: return;
220: if (MAN_SH == n->prev->tok)
221: return;
1.11 schwarze 222:
1.18 schwarze 223: term_vspace(p);
1.14 schwarze 224: }
225:
226:
227: /* ARGSUSED */
228: static int
229: pre_ign(DECL_ARGS)
230: {
231:
232: return(0);
1.11 schwarze 233: }
234:
235:
1.1 kristaps 236: /* ARGSUSED */
237: static int
238: pre_I(DECL_ARGS)
239: {
240:
1.21 schwarze 241: term_fontrepl(p, TERMFONT_UNDER);
1.1 kristaps 242: return(1);
243: }
244:
245:
246: /* ARGSUSED */
1.11 schwarze 247: static int
1.45 schwarze 248: pre_literal(DECL_ARGS)
1.11 schwarze 249: {
250:
1.45 schwarze 251: term_newln(p);
1.53 schwarze 252:
253: if (MAN_nf == n->tok)
1.45 schwarze 254: mt->fl |= MANT_LITERAL;
1.53 schwarze 255: else
1.45 schwarze 256: mt->fl &= ~MANT_LITERAL;
257:
1.11 schwarze 258: return(1);
259: }
260:
261: /* ARGSUSED */
262: static int
1.51 schwarze 263: pre_alternate(DECL_ARGS)
1.1 kristaps 264: {
1.51 schwarze 265: enum termfont font[2];
266: const struct man_node *nn;
267: int savelit, i;
1.1 kristaps 268:
1.51 schwarze 269: switch (n->tok) {
270: case (MAN_RB):
271: font[0] = TERMFONT_NONE;
272: font[1] = TERMFONT_BOLD;
273: break;
274: case (MAN_RI):
275: font[0] = TERMFONT_NONE;
276: font[1] = TERMFONT_UNDER;
277: break;
278: case (MAN_BR):
279: font[0] = TERMFONT_BOLD;
280: font[1] = TERMFONT_NONE;
281: break;
282: case (MAN_BI):
283: font[0] = TERMFONT_BOLD;
284: font[1] = TERMFONT_UNDER;
285: break;
286: case (MAN_IR):
287: font[0] = TERMFONT_UNDER;
288: font[1] = TERMFONT_NONE;
289: break;
290: case (MAN_IB):
291: font[0] = TERMFONT_UNDER;
292: font[1] = TERMFONT_BOLD;
293: break;
294: default:
295: abort();
296: }
1.17 schwarze 297:
1.51 schwarze 298: savelit = MANT_LITERAL & mt->fl;
299: mt->fl &= ~MANT_LITERAL;
1.17 schwarze 300:
1.51 schwarze 301: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
302: term_fontrepl(p, font[i]);
303: if (savelit && NULL == nn->next)
304: mt->fl |= MANT_LITERAL;
1.19 schwarze 305: print_man_node(p, mt, nn, m);
1.51 schwarze 306: if (nn->next)
1.1 kristaps 307: p->flags |= TERMP_NOSPACE;
308: }
1.17 schwarze 309:
1.1 kristaps 310: return(0);
311: }
312:
313: /* ARGSUSED */
314: static int
315: pre_B(DECL_ARGS)
316: {
317:
1.21 schwarze 318: term_fontrepl(p, TERMFONT_BOLD);
1.1 kristaps 319: return(1);
1.52 schwarze 320: }
321:
322: /* ARGSUSED */
323: static int
324: pre_ft(DECL_ARGS)
325: {
326: const char *cp;
327:
328: if (NULL == n->child) {
329: term_fontlast(p);
330: return(0);
331: }
332:
333: cp = n->child->string;
334: switch (*cp) {
335: case ('4'):
336: /* FALLTHROUGH */
337: case ('3'):
338: /* FALLTHROUGH */
339: case ('B'):
340: term_fontrepl(p, TERMFONT_BOLD);
341: break;
342: case ('2'):
343: /* FALLTHROUGH */
344: case ('I'):
345: term_fontrepl(p, TERMFONT_UNDER);
346: break;
347: case ('P'):
348: term_fontlast(p);
349: break;
350: case ('1'):
351: /* FALLTHROUGH */
352: case ('C'):
353: /* FALLTHROUGH */
354: case ('R'):
355: term_fontrepl(p, TERMFONT_NONE);
356: break;
357: default:
358: break;
359: }
360: return(0);
1.1 kristaps 361: }
362:
363: /* ARGSUSED */
364: static int
1.45 schwarze 365: pre_in(DECL_ARGS)
1.11 schwarze 366: {
1.45 schwarze 367: int len, less;
368: size_t v;
369: const char *cp;
370:
371: term_newln(p);
372:
373: if (NULL == n->child) {
374: p->offset = mt->offset;
375: return(0);
376: }
1.11 schwarze 377:
1.45 schwarze 378: cp = n->child->string;
379: less = 0;
1.11 schwarze 380:
1.45 schwarze 381: if ('-' == *cp)
382: less = -1;
383: else if ('+' == *cp)
384: less = 1;
385: else
386: cp--;
387:
388: if ((len = a2width(p, ++cp)) < 0)
389: return(0);
390:
391: v = (size_t)len;
392:
393: if (less < 0)
394: p->offset -= p->offset > v ? v : p->offset;
395: else if (less > 0)
396: p->offset += v;
397: else
398: p->offset = v;
1.11 schwarze 399:
400: return(0);
401: }
402:
403:
404: /* ARGSUSED */
405: static int
1.45 schwarze 406: pre_sp(DECL_ARGS)
1.8 schwarze 407: {
1.45 schwarze 408: size_t i, len;
409:
410: switch (n->tok) {
411: case (MAN_br):
412: len = 0;
413: break;
414: default:
415: len = n->child ? a2height(p, n->child->string) : 1;
416: break;
417: }
418:
419: if (0 == len)
420: term_newln(p);
421: for (i = 0; i < len; i++)
422: term_vspace(p);
1.8 schwarze 423:
424: return(0);
425: }
426:
427:
428: /* ARGSUSED */
429: static int
1.11 schwarze 430: pre_HP(DECL_ARGS)
431: {
432: size_t len;
433: int ival;
434: const struct man_node *nn;
435:
436: switch (n->type) {
437: case (MAN_BLOCK):
1.18 schwarze 438: print_bvspace(p, n);
1.11 schwarze 439: return(1);
440: case (MAN_BODY):
441: p->flags |= TERMP_NOBREAK;
442: p->flags |= TERMP_TWOSPACE;
443: break;
444: default:
445: return(0);
446: }
447:
1.13 schwarze 448: len = mt->lmargin;
1.11 schwarze 449: ival = -1;
450:
451: /* Calculate offset. */
452:
453: if (NULL != (nn = n->parent->head->child))
1.42 schwarze 454: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 455: len = (size_t)ival;
456:
457: if (0 == len)
1.42 schwarze 458: len = term_len(p, 1);
1.11 schwarze 459:
1.13 schwarze 460: p->offset = mt->offset;
461: p->rmargin = mt->offset + len;
1.11 schwarze 462:
463: if (ival >= 0)
1.13 schwarze 464: mt->lmargin = (size_t)ival;
1.11 schwarze 465:
466: return(1);
467: }
468:
469:
470: /* ARGSUSED */
471: static void
472: post_HP(DECL_ARGS)
473: {
474:
475: switch (n->type) {
476: case (MAN_BLOCK):
477: term_flushln(p);
478: break;
479: case (MAN_BODY):
480: term_flushln(p);
481: p->flags &= ~TERMP_NOBREAK;
482: p->flags &= ~TERMP_TWOSPACE;
1.13 schwarze 483: p->offset = mt->offset;
1.11 schwarze 484: p->rmargin = p->maxrmargin;
485: break;
486: default:
487: break;
488: }
489: }
490:
491:
492: /* ARGSUSED */
493: static int
1.1 kristaps 494: pre_PP(DECL_ARGS)
495: {
496:
1.11 schwarze 497: switch (n->type) {
498: case (MAN_BLOCK):
1.42 schwarze 499: mt->lmargin = term_len(p, INDENT);
1.18 schwarze 500: print_bvspace(p, n);
1.11 schwarze 501: break;
502: default:
1.13 schwarze 503: p->offset = mt->offset;
1.11 schwarze 504: break;
505: }
506:
1.54 schwarze 507: return(MAN_HEAD != n->type);
1.1 kristaps 508: }
509:
510:
511: /* ARGSUSED */
512: static int
513: pre_IP(DECL_ARGS)
514: {
1.11 schwarze 515: const struct man_node *nn;
516: size_t len;
1.57 ! schwarze 517: int savelit, ival;
1.11 schwarze 518:
519: switch (n->type) {
520: case (MAN_BODY):
521: p->flags |= TERMP_NOLPAD;
522: p->flags |= TERMP_NOSPACE;
523: break;
524: case (MAN_HEAD):
525: p->flags |= TERMP_NOBREAK;
526: break;
527: case (MAN_BLOCK):
1.18 schwarze 528: print_bvspace(p, n);
1.11 schwarze 529: /* FALLTHROUGH */
530: default:
531: return(1);
532: }
533:
1.13 schwarze 534: len = mt->lmargin;
1.11 schwarze 535: ival = -1;
536:
1.57 ! schwarze 537: /* Calculate the offset from the optional second argument. */
1.11 schwarze 538: if (NULL != (nn = n->parent->head->child))
1.57 ! schwarze 539: if (NULL != (nn = nn->next))
1.42 schwarze 540: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 541: len = (size_t)ival;
542:
543: switch (n->type) {
544: case (MAN_HEAD):
545: /* Handle zero-width lengths. */
546: if (0 == len)
1.42 schwarze 547: len = term_len(p, 1);
1.11 schwarze 548:
1.13 schwarze 549: p->offset = mt->offset;
550: p->rmargin = mt->offset + len;
1.11 schwarze 551: if (ival < 0)
552: break;
553:
554: /* Set the saved left-margin. */
1.13 schwarze 555: mt->lmargin = (size_t)ival;
1.1 kristaps 556:
1.57 ! schwarze 557: savelit = MANT_LITERAL & mt->fl;
! 558: mt->fl &= ~MANT_LITERAL;
! 559:
! 560: if (n->child)
! 561: print_man_node(p, mt, n->child, m);
! 562:
! 563: if (savelit)
! 564: mt->fl |= MANT_LITERAL;
! 565:
1.11 schwarze 566: return(0);
567: case (MAN_BODY):
1.13 schwarze 568: p->offset = mt->offset + len;
1.11 schwarze 569: p->rmargin = p->maxrmargin;
570: break;
571: default:
572: break;
573: }
1.1 kristaps 574:
1.11 schwarze 575: return(1);
576: }
1.1 kristaps 577:
578:
1.11 schwarze 579: /* ARGSUSED */
580: static void
581: post_IP(DECL_ARGS)
582: {
1.4 schwarze 583:
1.11 schwarze 584: switch (n->type) {
585: case (MAN_HEAD):
586: term_flushln(p);
587: p->flags &= ~TERMP_NOBREAK;
588: p->rmargin = p->maxrmargin;
589: break;
590: case (MAN_BODY):
1.57 ! schwarze 591: term_newln(p);
1.11 schwarze 592: p->flags &= ~TERMP_NOLPAD;
593: break;
594: default:
595: break;
596: }
1.1 kristaps 597: }
598:
599:
600: /* ARGSUSED */
601: static int
602: pre_TP(DECL_ARGS)
603: {
1.11 schwarze 604: const struct man_node *nn;
605: size_t len;
1.57 ! schwarze 606: int savelit, ival;
1.11 schwarze 607:
608: switch (n->type) {
609: case (MAN_HEAD):
610: p->flags |= TERMP_NOBREAK;
611: break;
612: case (MAN_BODY):
613: p->flags |= TERMP_NOLPAD;
614: p->flags |= TERMP_NOSPACE;
615: break;
616: case (MAN_BLOCK):
1.18 schwarze 617: print_bvspace(p, n);
1.11 schwarze 618: /* FALLTHROUGH */
619: default:
620: return(1);
621: }
622:
623: len = (size_t)mt->lmargin;
624: ival = -1;
625:
626: /* Calculate offset. */
1.1 kristaps 627:
1.22 schwarze 628: if (NULL != (nn = n->parent->head->child)) {
629: while (nn && MAN_TEXT != nn->type)
630: nn = nn->next;
631: if (nn && nn->next)
1.42 schwarze 632: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 633: len = (size_t)ival;
1.22 schwarze 634: }
1.8 schwarze 635:
1.11 schwarze 636: switch (n->type) {
637: case (MAN_HEAD):
638: /* Handle zero-length properly. */
639: if (0 == len)
1.42 schwarze 640: len = term_len(p, 1);
1.11 schwarze 641:
1.13 schwarze 642: p->offset = mt->offset;
643: p->rmargin = mt->offset + len;
1.11 schwarze 644:
1.57 ! schwarze 645: savelit = MANT_LITERAL & mt->fl;
! 646: mt->fl &= ~MANT_LITERAL;
! 647:
1.11 schwarze 648: /* Don't print same-line elements. */
1.57 ! schwarze 649: for (nn = n->child; nn; nn = nn->next)
1.11 schwarze 650: if (nn->line > n->line)
1.19 schwarze 651: print_man_node(p, mt, nn, m);
1.11 schwarze 652:
1.57 ! schwarze 653: if (savelit)
! 654: mt->fl |= MANT_LITERAL;
! 655:
1.11 schwarze 656: if (ival >= 0)
1.13 schwarze 657: mt->lmargin = (size_t)ival;
1.11 schwarze 658:
659: return(0);
660: case (MAN_BODY):
1.13 schwarze 661: p->offset = mt->offset + len;
1.11 schwarze 662: p->rmargin = p->maxrmargin;
663: break;
664: default:
665: break;
666: }
1.1 kristaps 667:
1.11 schwarze 668: return(1);
669: }
1.1 kristaps 670:
671:
1.11 schwarze 672: /* ARGSUSED */
673: static void
674: post_TP(DECL_ARGS)
675: {
1.1 kristaps 676:
1.11 schwarze 677: switch (n->type) {
678: case (MAN_HEAD):
679: term_flushln(p);
680: p->flags &= ~TERMP_NOBREAK;
681: p->flags &= ~TERMP_TWOSPACE;
682: p->rmargin = p->maxrmargin;
683: break;
684: case (MAN_BODY):
1.57 ! schwarze 685: term_newln(p);
1.11 schwarze 686: p->flags &= ~TERMP_NOLPAD;
687: break;
688: default:
689: break;
690: }
1.1 kristaps 691: }
692:
693:
694: /* ARGSUSED */
695: static int
696: pre_SS(DECL_ARGS)
697: {
698:
1.11 schwarze 699: switch (n->type) {
700: case (MAN_BLOCK):
1.42 schwarze 701: mt->lmargin = term_len(p, INDENT);
702: mt->offset = term_len(p, INDENT);
1.11 schwarze 703: /* If following a prior empty `SS', no vspace. */
704: if (n->prev && MAN_SS == n->prev->tok)
705: if (NULL == n->prev->body->child)
706: break;
707: if (NULL == n->prev)
708: break;
709: term_vspace(p);
710: break;
711: case (MAN_HEAD):
1.21 schwarze 712: term_fontrepl(p, TERMFONT_BOLD);
1.42 schwarze 713: p->offset = term_len(p, HALFINDENT);
1.11 schwarze 714: break;
715: case (MAN_BODY):
1.13 schwarze 716: p->offset = mt->offset;
1.11 schwarze 717: break;
718: default:
719: break;
720: }
721:
1.1 kristaps 722: return(1);
723: }
724:
725:
726: /* ARGSUSED */
727: static void
728: post_SS(DECL_ARGS)
729: {
730:
1.11 schwarze 731: switch (n->type) {
732: case (MAN_HEAD):
733: term_newln(p);
734: break;
735: case (MAN_BODY):
736: term_newln(p);
737: break;
738: default:
739: break;
740: }
1.1 kristaps 741: }
742:
743:
744: /* ARGSUSED */
745: static int
746: pre_SH(DECL_ARGS)
747: {
748:
1.11 schwarze 749: switch (n->type) {
750: case (MAN_BLOCK):
1.42 schwarze 751: mt->lmargin = term_len(p, INDENT);
752: mt->offset = term_len(p, INDENT);
1.11 schwarze 753: /* If following a prior empty `SH', no vspace. */
754: if (n->prev && MAN_SH == n->prev->tok)
755: if (NULL == n->prev->body->child)
756: break;
1.29 schwarze 757: /* If the first macro, no vspae. */
758: if (NULL == n->prev)
759: break;
1.11 schwarze 760: term_vspace(p);
761: break;
762: case (MAN_HEAD):
1.21 schwarze 763: term_fontrepl(p, TERMFONT_BOLD);
1.11 schwarze 764: p->offset = 0;
765: break;
766: case (MAN_BODY):
1.13 schwarze 767: p->offset = mt->offset;
1.11 schwarze 768: break;
769: default:
770: break;
771: }
772:
1.1 kristaps 773: return(1);
774: }
775:
776:
777: /* ARGSUSED */
778: static void
779: post_SH(DECL_ARGS)
780: {
781:
1.11 schwarze 782: switch (n->type) {
783: case (MAN_HEAD):
784: term_newln(p);
785: break;
786: case (MAN_BODY):
787: term_newln(p);
788: break;
789: default:
1.13 schwarze 790: break;
791: }
792: }
793:
794:
795: /* ARGSUSED */
796: static int
797: pre_RS(DECL_ARGS)
798: {
799: const struct man_node *nn;
800: int ival;
801:
802: switch (n->type) {
803: case (MAN_BLOCK):
804: term_newln(p);
805: return(1);
806: case (MAN_HEAD):
807: return(0);
808: default:
809: break;
810: }
811:
812: if (NULL == (nn = n->parent->head->child)) {
1.42 schwarze 813: mt->offset = mt->lmargin + term_len(p, INDENT);
1.13 schwarze 814: p->offset = mt->offset;
815: return(1);
816: }
817:
1.42 schwarze 818: if ((ival = a2width(p, nn->string)) < 0)
1.13 schwarze 819: return(1);
820:
1.42 schwarze 821: mt->offset = term_len(p, INDENT) + (size_t)ival;
1.13 schwarze 822: p->offset = mt->offset;
823:
824: return(1);
825: }
826:
827:
828: /* ARGSUSED */
829: static void
830: post_RS(DECL_ARGS)
831: {
832:
833: switch (n->type) {
834: case (MAN_BLOCK):
1.42 schwarze 835: mt->offset = mt->lmargin = term_len(p, INDENT);
1.13 schwarze 836: break;
1.27 schwarze 837: case (MAN_HEAD):
838: break;
1.13 schwarze 839: default:
840: term_newln(p);
1.42 schwarze 841: p->offset = term_len(p, INDENT);
1.11 schwarze 842: break;
843: }
1.47 schwarze 844: }
845:
846:
847: /* ARGSUSED */
848: static int
849: pre_TS(DECL_ARGS)
850: {
851:
852: if (MAN_BLOCK != n->type)
853: return(0);
854:
1.50 schwarze 855: if (tbl_close(p, n->data.TS, "man tbl postprocess", n->line))
856: tbl_write(p, n->data.TS);
1.47 schwarze 857:
858: return(0);
1.1 kristaps 859: }
860:
861:
862: static void
1.19 schwarze 863: print_man_node(DECL_ARGS)
1.1 kristaps 864: {
1.32 schwarze 865: size_t rm, rmax;
1.21 schwarze 866: int c;
1.1 kristaps 867:
868: c = 1;
869:
870: switch (n->type) {
871: case(MAN_TEXT):
872: if (0 == *n->string) {
873: term_vspace(p);
874: break;
875: }
1.21 schwarze 876:
1.1 kristaps 877: term_word(p, n->string);
1.21 schwarze 878:
1.11 schwarze 879: /* FIXME: this means that macro lines are munged! */
1.21 schwarze 880:
1.11 schwarze 881: if (MANT_LITERAL & mt->fl) {
1.32 schwarze 882: rm = p->rmargin;
883: rmax = p->maxrmargin;
1.29 schwarze 884: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.11 schwarze 885: p->flags |= TERMP_NOSPACE;
886: term_flushln(p);
1.57 ! schwarze 887: p->flags &= ~TERMP_NOLPAD;
1.32 schwarze 888: p->rmargin = rm;
889: p->maxrmargin = rmax;
1.11 schwarze 890: }
1.1 kristaps 891: break;
892: default:
1.26 schwarze 893: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
894: term_fontrepl(p, TERMFONT_NONE);
1.11 schwarze 895: if (termacts[n->tok].pre)
896: c = (*termacts[n->tok].pre)(p, mt, n, m);
1.1 kristaps 897: break;
898: }
899:
900: if (c && n->child)
1.21 schwarze 901: print_man_nodelist(p, mt, n->child, m);
1.1 kristaps 902:
1.21 schwarze 903: if (MAN_TEXT != n->type) {
1.1 kristaps 904: if (termacts[n->tok].post)
1.11 schwarze 905: (*termacts[n->tok].post)(p, mt, n, m);
1.26 schwarze 906: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
907: term_fontrepl(p, TERMFONT_NONE);
1.21 schwarze 908: }
1.30 schwarze 909:
910: if (MAN_EOS & n->flags)
911: p->flags |= TERMP_SENTENCE;
1.1 kristaps 912: }
913:
914:
915: static void
1.21 schwarze 916: print_man_nodelist(DECL_ARGS)
1.1 kristaps 917: {
1.11 schwarze 918:
1.19 schwarze 919: print_man_node(p, mt, n, m);
1.1 kristaps 920: if ( ! n->next)
921: return;
1.21 schwarze 922: print_man_nodelist(p, mt, n->next, m);
1.1 kristaps 923: }
924:
925:
926: static void
1.41 schwarze 927: print_man_foot(struct termp *p, const void *arg)
1.1 kristaps 928: {
1.19 schwarze 929: char buf[DATESIZ];
1.41 schwarze 930: const struct man_meta *meta;
931:
932: meta = (const struct man_meta *)arg;
1.21 schwarze 933:
934: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 935:
1.40 schwarze 936: if (meta->rawdate)
937: strlcpy(buf, meta->rawdate, DATESIZ);
938: else
939: time2a(meta->date, buf, DATESIZ);
1.1 kristaps 940:
1.38 schwarze 941: term_vspace(p);
942: term_vspace(p);
1.1 kristaps 943: term_vspace(p);
944:
945: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.42 schwarze 946: p->rmargin = p->maxrmargin - term_strlen(p, buf);
1.1 kristaps 947: p->offset = 0;
1.46 schwarze 948:
949: /* term_strlen() can return zero. */
950: if (p->rmargin == p->maxrmargin)
951: p->rmargin--;
1.1 kristaps 952:
953: if (meta->source)
954: term_word(p, meta->source);
955: if (meta->source)
956: term_word(p, "");
957: term_flushln(p);
958:
959: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
960: p->offset = p->rmargin;
961: p->rmargin = p->maxrmargin;
962: p->flags &= ~TERMP_NOBREAK;
963:
964: term_word(p, buf);
965: term_flushln(p);
966: }
967:
968:
969: static void
1.41 schwarze 970: print_man_head(struct termp *p, const void *arg)
1.1 kristaps 971: {
1.20 schwarze 972: char buf[BUFSIZ], title[BUFSIZ];
1.25 schwarze 973: size_t buflen, titlen;
1.41 schwarze 974: const struct man_meta *m;
975:
976: m = (const struct man_meta *)arg;
1.1 kristaps 977:
1.29 schwarze 978: /*
979: * Note that old groff would spit out some spaces before the
980: * header. We discontinue this strange behaviour, but at one
981: * point we did so here.
982: */
983:
1.1 kristaps 984: p->rmargin = p->maxrmargin;
1.27 schwarze 985:
1.1 kristaps 986: p->offset = 0;
1.20 schwarze 987: buf[0] = title[0] = '\0';
1.1 kristaps 988:
1.20 schwarze 989: if (m->vol)
990: strlcpy(buf, m->vol, BUFSIZ);
1.42 schwarze 991: buflen = term_strlen(p, buf);
1.1 kristaps 992:
1.31 schwarze 993: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.42 schwarze 994: titlen = term_strlen(p, title);
1.1 kristaps 995:
996: p->offset = 0;
1.25 schwarze 997: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
1.42 schwarze 998: (p->maxrmargin -
999: term_strlen(p, buf) + term_len(p, 1)) / 2 :
1.25 schwarze 1000: p->maxrmargin - buflen;
1.1 kristaps 1001: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1002:
1003: term_word(p, title);
1004: term_flushln(p);
1005:
1006: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1007: p->offset = p->rmargin;
1.25 schwarze 1008: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
1009: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1010:
1011: term_word(p, buf);
1012: term_flushln(p);
1013:
1014: p->flags &= ~TERMP_NOBREAK;
1.25 schwarze 1015: if (p->rmargin + titlen <= p->maxrmargin) {
1016: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1017: p->offset = p->rmargin;
1018: p->rmargin = p->maxrmargin;
1019: term_word(p, title);
1020: term_flushln(p);
1021: }
1.1 kristaps 1022:
1023: p->rmargin = p->maxrmargin;
1024: p->offset = 0;
1025: p->flags &= ~TERMP_NOSPACE;
1.29 schwarze 1026:
1027: /*
1028: * Groff likes to have some leading spaces before content. Well
1029: * that's fine by me.
1030: */
1031:
1032: term_vspace(p);
1033: term_vspace(p);
1034: term_vspace(p);
1.1 kristaps 1035: }
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