Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.43
1.43 ! schwarze 1: /* $Id: man_term.c,v 1.42 2010/06/26 19:08:00 schwarze Exp $ */
1.1 kristaps 2: /*
1.43 ! schwarze 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.2 schwarze 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
1.13 schwarze 17: #include <sys/types.h>
18:
1.1 kristaps 19: #include <assert.h>
1.11 schwarze 20: #include <ctype.h>
1.1 kristaps 21: #include <stdio.h>
22: #include <stdlib.h>
23: #include <string.h>
24:
1.37 schwarze 25: #include "mandoc.h"
1.18 schwarze 26: #include "out.h"
1.43 ! schwarze 27: #include "regs.h"
1.18 schwarze 28: #include "man.h"
1.1 kristaps 29: #include "term.h"
1.18 schwarze 30: #include "chars.h"
31: #include "main.h"
1.10 schwarze 32:
33: #define INDENT 7
34: #define HALFINDENT 3
1.1 kristaps 35:
1.19 schwarze 36: /* FIXME: have PD set the default vspace width. */
37:
1.11 schwarze 38: struct mtermp {
39: int fl;
40: #define MANT_LITERAL (1 << 0)
1.13 schwarze 41: /*
42: * Default amount to indent the left margin after leading text
43: * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
44: * indent). This needs to be saved because `HP' and so on, if
45: * not having a specified value, must default.
46: *
47: * Note that this is the indentation AFTER the left offset, so
48: * the total offset is usually offset + lmargin.
49: */
50: size_t lmargin;
51: /*
52: * The default offset, i.e., the amount between any text and the
53: * page boundary.
54: */
55: size_t offset;
1.11 schwarze 56: };
57:
1.1 kristaps 58: #define DECL_ARGS struct termp *p, \
1.11 schwarze 59: struct mtermp *mt, \
1.1 kristaps 60: const struct man_node *n, \
61: const struct man_meta *m
62:
63: struct termact {
64: int (*pre)(DECL_ARGS);
65: void (*post)(DECL_ARGS);
1.26 schwarze 66: int flags;
67: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 68: };
69:
1.42 schwarze 70: static int a2width(const struct termp *, const char *);
71: static size_t a2height(const struct termp *, const char *);
1.18 schwarze 72:
1.21 schwarze 73: static void print_man_nodelist(DECL_ARGS);
1.19 schwarze 74: static void print_man_node(DECL_ARGS);
1.41 schwarze 75: static void print_man_head(struct termp *, const void *);
76: static void print_man_foot(struct termp *, const void *);
1.18 schwarze 77: static void print_bvspace(struct termp *,
78: const struct man_node *);
79:
1.1 kristaps 80: static int pre_B(DECL_ARGS);
81: static int pre_BI(DECL_ARGS);
1.11 schwarze 82: static int pre_HP(DECL_ARGS);
1.1 kristaps 83: static int pre_I(DECL_ARGS);
84: static int pre_IP(DECL_ARGS);
85: static int pre_PP(DECL_ARGS);
86: static int pre_RB(DECL_ARGS);
87: static int pre_RI(DECL_ARGS);
1.13 schwarze 88: static int pre_RS(DECL_ARGS);
1.1 kristaps 89: static int pre_SH(DECL_ARGS);
90: static int pre_SS(DECL_ARGS);
91: static int pre_TP(DECL_ARGS);
1.11 schwarze 92: static int pre_br(DECL_ARGS);
93: static int pre_fi(DECL_ARGS);
1.14 schwarze 94: static int pre_ign(DECL_ARGS);
1.11 schwarze 95: static int pre_nf(DECL_ARGS);
96: static int pre_sp(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] = {
1.26 schwarze 106: { pre_br, NULL, MAN_NOTEXT }, /* br */
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 */
118: { pre_BI, NULL, 0 }, /* BI */
119: { pre_BI, NULL, 0 }, /* IB */
120: { pre_RB, NULL, 0 }, /* BR */
121: { pre_RB, NULL, 0 }, /* RB */
122: { NULL, NULL, 0 }, /* R */
123: { pre_B, NULL, 0 }, /* B */
124: { pre_I, NULL, 0 }, /* I */
125: { pre_RI, NULL, 0 }, /* IR */
126: { pre_RI, NULL, 0 }, /* RI */
127: { NULL, NULL, MAN_NOTEXT }, /* na */
128: { pre_I, NULL, 0 }, /* i */
129: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
130: { pre_nf, NULL, 0 }, /* nf */
131: { pre_fi, NULL, 0 }, /* fi */
132: { NULL, NULL, 0 }, /* r */
133: { NULL, NULL, 0 }, /* RE */
134: { pre_RS, post_RS, 0 }, /* RS */
135: { pre_ign, NULL, 0 }, /* DT */
136: { pre_ign, NULL, 0 }, /* UC */
137: { pre_ign, NULL, 0 }, /* PD */
1.27 schwarze 138: { pre_sp, NULL, MAN_NOTEXT }, /* Sp */
139: { pre_nf, NULL, 0 }, /* Vb */
140: { pre_fi, NULL, 0 }, /* Ve */
1.36 schwarze 141: { pre_ign, NULL, 0 }, /* AT */
1.1 kristaps 142: };
1.11 schwarze 143:
1.1 kristaps 144:
145:
1.16 schwarze 146: void
1.18 schwarze 147: terminal_man(void *arg, const struct man *man)
1.1 kristaps 148: {
1.18 schwarze 149: struct termp *p;
150: const struct man_node *n;
151: const struct man_meta *m;
152: struct mtermp mt;
153:
154: p = (struct termp *)arg;
155:
1.39 schwarze 156: p->overstep = 0;
1.32 schwarze 157: p->maxrmargin = p->defrmargin;
1.42 schwarze 158: p->tabwidth = term_len(p, 5);
1.27 schwarze 159:
1.18 schwarze 160: if (NULL == p->symtab)
161: switch (p->enc) {
162: case (TERMENC_ASCII):
163: p->symtab = chars_init(CHARS_ASCII);
164: break;
165: default:
166: abort();
167: /* NOTREACHED */
168: }
169:
170: n = man_node(man);
171: m = man_meta(man);
1.1 kristaps 172:
1.41 schwarze 173: term_begin(p, print_man_head, print_man_foot, m);
1.1 kristaps 174: p->flags |= TERMP_NOSPACE;
1.11 schwarze 175:
176: mt.fl = 0;
1.42 schwarze 177: mt.lmargin = term_len(p, INDENT);
178: mt.offset = term_len(p, INDENT);
1.11 schwarze 179:
1.18 schwarze 180: if (n->child)
1.21 schwarze 181: print_man_nodelist(p, &mt, n->child, m);
1.41 schwarze 182:
183: term_end(p);
1.1 kristaps 184: }
185:
186:
1.42 schwarze 187: static size_t
188: a2height(const struct termp *p, const char *cp)
1.11 schwarze 189: {
1.18 schwarze 190: struct roffsu su;
1.11 schwarze 191:
1.42 schwarze 192: if ( ! a2roffsu(cp, &su, SCALE_VS))
193: SCALE_VS_INIT(&su, term_strlen(p, cp));
1.11 schwarze 194:
1.42 schwarze 195: return(term_vspan(p, &su));
1.11 schwarze 196: }
197:
198:
199: static int
1.42 schwarze 200: a2width(const struct termp *p, const char *cp)
1.11 schwarze 201: {
1.18 schwarze 202: struct roffsu su;
1.11 schwarze 203:
1.42 schwarze 204: if ( ! a2roffsu(cp, &su, SCALE_BU))
1.18 schwarze 205: return(-1);
206:
1.42 schwarze 207: return((int)term_hspan(p, &su));
1.18 schwarze 208: }
1.11 schwarze 209:
210:
1.18 schwarze 211: static void
212: print_bvspace(struct termp *p, const struct man_node *n)
213: {
214: term_newln(p);
1.11 schwarze 215:
1.18 schwarze 216: if (NULL == n->prev)
217: return;
1.11 schwarze 218:
1.18 schwarze 219: if (MAN_SS == n->prev->tok)
220: return;
221: if (MAN_SH == n->prev->tok)
222: return;
1.11 schwarze 223:
1.18 schwarze 224: term_vspace(p);
1.14 schwarze 225: }
226:
227:
228: /* ARGSUSED */
229: static int
230: pre_ign(DECL_ARGS)
231: {
232:
233: return(0);
1.11 schwarze 234: }
235:
236:
1.1 kristaps 237: /* ARGSUSED */
238: static int
239: pre_I(DECL_ARGS)
240: {
241:
1.21 schwarze 242: term_fontrepl(p, TERMFONT_UNDER);
1.1 kristaps 243: return(1);
244: }
245:
246:
247: /* ARGSUSED */
1.11 schwarze 248: static int
249: pre_fi(DECL_ARGS)
250: {
251:
252: mt->fl &= ~MANT_LITERAL;
253: return(1);
254: }
255:
256:
257: /* ARGSUSED */
258: static int
259: pre_nf(DECL_ARGS)
260: {
261:
262: mt->fl |= MANT_LITERAL;
1.27 schwarze 263: return(MAN_Vb != n->tok);
1.11 schwarze 264: }
265:
266:
267: /* ARGSUSED */
268: static int
1.17 schwarze 269: pre_RB(DECL_ARGS)
1.1 kristaps 270: {
271: const struct man_node *nn;
272: int i;
273:
274: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.17 schwarze 275: if (i % 2 && MAN_RB == n->tok)
1.21 schwarze 276: term_fontrepl(p, TERMFONT_BOLD);
1.17 schwarze 277: else if ( ! (i % 2) && MAN_RB != n->tok)
1.21 schwarze 278: term_fontrepl(p, TERMFONT_BOLD);
279: else
280: term_fontrepl(p, TERMFONT_NONE);
1.17 schwarze 281:
1.1 kristaps 282: if (i > 0)
283: p->flags |= TERMP_NOSPACE;
1.17 schwarze 284:
1.19 schwarze 285: print_man_node(p, mt, nn, m);
1.1 kristaps 286: }
287: return(0);
288: }
289:
290:
291: /* ARGSUSED */
292: static int
293: pre_RI(DECL_ARGS)
294: {
295: const struct man_node *nn;
296: int i;
297:
298: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.21 schwarze 299: if (i % 2 && MAN_RI == n->tok)
300: term_fontrepl(p, TERMFONT_UNDER);
301: else if ( ! (i % 2) && MAN_RI != n->tok)
302: term_fontrepl(p, TERMFONT_UNDER);
303: else
304: term_fontrepl(p, TERMFONT_NONE);
305:
1.1 kristaps 306: if (i > 0)
307: p->flags |= TERMP_NOSPACE;
1.21 schwarze 308:
1.19 schwarze 309: print_man_node(p, mt, nn, m);
1.1 kristaps 310: }
311: return(0);
312: }
313:
314:
315: /* ARGSUSED */
316: static int
317: pre_BI(DECL_ARGS)
318: {
1.17 schwarze 319: const struct man_node *nn;
320: int i;
1.1 kristaps 321:
322: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.17 schwarze 323: if (i % 2 && MAN_BI == n->tok)
1.21 schwarze 324: term_fontrepl(p, TERMFONT_UNDER);
1.17 schwarze 325: else if (i % 2)
1.21 schwarze 326: term_fontrepl(p, TERMFONT_BOLD);
1.17 schwarze 327: else if (MAN_BI == n->tok)
1.21 schwarze 328: term_fontrepl(p, TERMFONT_BOLD);
1.15 schwarze 329: else
1.21 schwarze 330: term_fontrepl(p, TERMFONT_UNDER);
1.17 schwarze 331:
332: if (i)
1.1 kristaps 333: p->flags |= TERMP_NOSPACE;
1.21 schwarze 334:
1.19 schwarze 335: print_man_node(p, mt, nn, m);
1.1 kristaps 336: }
337: return(0);
338: }
339:
340:
341: /* ARGSUSED */
342: static int
343: pre_B(DECL_ARGS)
344: {
345:
1.21 schwarze 346: term_fontrepl(p, TERMFONT_BOLD);
1.1 kristaps 347: return(1);
348: }
349:
350:
351: /* ARGSUSED */
352: static int
1.11 schwarze 353: pre_sp(DECL_ARGS)
354: {
1.42 schwarze 355: size_t i, len;
1.11 schwarze 356:
1.42 schwarze 357: len = n->child ?
358: a2height(p, n->child->string) : term_len(p, 1);
1.11 schwarze 359:
360: if (0 == len)
361: term_newln(p);
1.29 schwarze 362: for (i = 0; i <= len; i++)
1.11 schwarze 363: term_vspace(p);
364:
365: return(0);
366: }
367:
368:
369: /* ARGSUSED */
370: static int
1.8 schwarze 371: pre_br(DECL_ARGS)
372: {
373:
374: term_newln(p);
375: return(0);
376: }
377:
378:
379: /* ARGSUSED */
380: static int
1.11 schwarze 381: pre_HP(DECL_ARGS)
382: {
383: size_t len;
384: int ival;
385: const struct man_node *nn;
386:
387: switch (n->type) {
388: case (MAN_BLOCK):
1.18 schwarze 389: print_bvspace(p, n);
1.11 schwarze 390: return(1);
391: case (MAN_BODY):
392: p->flags |= TERMP_NOBREAK;
393: p->flags |= TERMP_TWOSPACE;
394: break;
395: default:
396: return(0);
397: }
398:
1.13 schwarze 399: len = mt->lmargin;
1.11 schwarze 400: ival = -1;
401:
402: /* Calculate offset. */
403:
404: if (NULL != (nn = n->parent->head->child))
1.42 schwarze 405: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 406: len = (size_t)ival;
407:
408: if (0 == len)
1.42 schwarze 409: len = term_len(p, 1);
1.11 schwarze 410:
1.13 schwarze 411: p->offset = mt->offset;
412: p->rmargin = mt->offset + len;
1.11 schwarze 413:
414: if (ival >= 0)
1.13 schwarze 415: mt->lmargin = (size_t)ival;
1.11 schwarze 416:
417: return(1);
418: }
419:
420:
421: /* ARGSUSED */
422: static void
423: post_HP(DECL_ARGS)
424: {
425:
426: switch (n->type) {
427: case (MAN_BLOCK):
428: term_flushln(p);
429: break;
430: case (MAN_BODY):
431: term_flushln(p);
432: p->flags &= ~TERMP_NOBREAK;
433: p->flags &= ~TERMP_TWOSPACE;
1.13 schwarze 434: p->offset = mt->offset;
1.11 schwarze 435: p->rmargin = p->maxrmargin;
436: break;
437: default:
438: break;
439: }
440: }
441:
442:
443: /* ARGSUSED */
444: static int
1.1 kristaps 445: pre_PP(DECL_ARGS)
446: {
447:
1.11 schwarze 448: switch (n->type) {
449: case (MAN_BLOCK):
1.42 schwarze 450: mt->lmargin = term_len(p, INDENT);
1.18 schwarze 451: print_bvspace(p, n);
1.11 schwarze 452: break;
453: default:
1.13 schwarze 454: p->offset = mt->offset;
1.11 schwarze 455: break;
456: }
457:
458: return(1);
1.1 kristaps 459: }
460:
461:
462: /* ARGSUSED */
463: static int
464: pre_IP(DECL_ARGS)
465: {
1.11 schwarze 466: const struct man_node *nn;
467: size_t len;
468: int ival;
469:
470: switch (n->type) {
471: case (MAN_BODY):
472: p->flags |= TERMP_NOLPAD;
473: p->flags |= TERMP_NOSPACE;
474: break;
475: case (MAN_HEAD):
476: p->flags |= TERMP_NOBREAK;
477: break;
478: case (MAN_BLOCK):
1.18 schwarze 479: print_bvspace(p, n);
1.11 schwarze 480: /* FALLTHROUGH */
481: default:
482: return(1);
483: }
484:
1.13 schwarze 485: len = mt->lmargin;
1.11 schwarze 486: ival = -1;
487:
488: /* Calculate offset. */
489:
490: if (NULL != (nn = n->parent->head->child))
491: if (NULL != (nn = nn->next)) {
492: for ( ; nn->next; nn = nn->next)
493: /* Do nothing. */ ;
1.42 schwarze 494: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 495: len = (size_t)ival;
496: }
497:
498: switch (n->type) {
499: case (MAN_HEAD):
500: /* Handle zero-width lengths. */
501: if (0 == len)
1.42 schwarze 502: len = term_len(p, 1);
1.11 schwarze 503:
1.13 schwarze 504: p->offset = mt->offset;
505: p->rmargin = mt->offset + len;
1.11 schwarze 506: if (ival < 0)
507: break;
508:
509: /* Set the saved left-margin. */
1.13 schwarze 510: mt->lmargin = (size_t)ival;
1.1 kristaps 511:
1.11 schwarze 512: /* Don't print the length value. */
513: for (nn = n->child; nn->next; nn = nn->next)
1.19 schwarze 514: print_man_node(p, mt, nn, m);
1.11 schwarze 515: return(0);
516: case (MAN_BODY):
1.13 schwarze 517: p->offset = mt->offset + len;
1.11 schwarze 518: p->rmargin = p->maxrmargin;
519: break;
520: default:
521: break;
522: }
1.1 kristaps 523:
1.11 schwarze 524: return(1);
525: }
1.1 kristaps 526:
527:
1.11 schwarze 528: /* ARGSUSED */
529: static void
530: post_IP(DECL_ARGS)
531: {
1.4 schwarze 532:
1.11 schwarze 533: switch (n->type) {
534: case (MAN_HEAD):
535: term_flushln(p);
536: p->flags &= ~TERMP_NOBREAK;
537: p->rmargin = p->maxrmargin;
538: break;
539: case (MAN_BODY):
540: term_flushln(p);
541: p->flags &= ~TERMP_NOLPAD;
542: break;
543: default:
544: break;
545: }
1.1 kristaps 546: }
547:
548:
549: /* ARGSUSED */
550: static int
551: pre_TP(DECL_ARGS)
552: {
1.11 schwarze 553: const struct man_node *nn;
554: size_t len;
555: int ival;
556:
557: switch (n->type) {
558: case (MAN_HEAD):
559: p->flags |= TERMP_NOBREAK;
560: p->flags |= TERMP_TWOSPACE;
561: break;
562: case (MAN_BODY):
563: p->flags |= TERMP_NOLPAD;
564: p->flags |= TERMP_NOSPACE;
565: break;
566: case (MAN_BLOCK):
1.18 schwarze 567: print_bvspace(p, n);
1.11 schwarze 568: /* FALLTHROUGH */
569: default:
570: return(1);
571: }
572:
573: len = (size_t)mt->lmargin;
574: ival = -1;
575:
576: /* Calculate offset. */
1.1 kristaps 577:
1.22 schwarze 578: if (NULL != (nn = n->parent->head->child)) {
579: while (nn && MAN_TEXT != nn->type)
580: nn = nn->next;
581: if (nn && nn->next)
1.42 schwarze 582: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 583: len = (size_t)ival;
1.22 schwarze 584: }
1.8 schwarze 585:
1.11 schwarze 586: switch (n->type) {
587: case (MAN_HEAD):
588: /* Handle zero-length properly. */
589: if (0 == len)
1.42 schwarze 590: len = term_len(p, 1);
1.11 schwarze 591:
1.13 schwarze 592: p->offset = mt->offset;
593: p->rmargin = mt->offset + len;
1.11 schwarze 594:
595: /* Don't print same-line elements. */
596: for (nn = n->child; nn; nn = nn->next)
597: if (nn->line > n->line)
1.19 schwarze 598: print_man_node(p, mt, nn, m);
1.11 schwarze 599:
600: if (ival >= 0)
1.13 schwarze 601: mt->lmargin = (size_t)ival;
1.11 schwarze 602:
603: return(0);
604: case (MAN_BODY):
1.13 schwarze 605: p->offset = mt->offset + len;
1.11 schwarze 606: p->rmargin = p->maxrmargin;
607: break;
608: default:
609: break;
610: }
1.1 kristaps 611:
1.11 schwarze 612: return(1);
613: }
1.1 kristaps 614:
615:
1.11 schwarze 616: /* ARGSUSED */
617: static void
618: post_TP(DECL_ARGS)
619: {
1.1 kristaps 620:
1.11 schwarze 621: switch (n->type) {
622: case (MAN_HEAD):
623: term_flushln(p);
624: p->flags &= ~TERMP_NOBREAK;
625: p->flags &= ~TERMP_TWOSPACE;
626: p->rmargin = p->maxrmargin;
627: break;
628: case (MAN_BODY):
629: term_flushln(p);
630: p->flags &= ~TERMP_NOLPAD;
631: break;
632: default:
633: break;
634: }
1.1 kristaps 635: }
636:
637:
638: /* ARGSUSED */
639: static int
640: pre_SS(DECL_ARGS)
641: {
642:
1.11 schwarze 643: switch (n->type) {
644: case (MAN_BLOCK):
1.42 schwarze 645: mt->lmargin = term_len(p, INDENT);
646: mt->offset = term_len(p, INDENT);
1.11 schwarze 647: /* If following a prior empty `SS', no vspace. */
648: if (n->prev && MAN_SS == n->prev->tok)
649: if (NULL == n->prev->body->child)
650: break;
651: if (NULL == n->prev)
652: break;
653: term_vspace(p);
654: break;
655: case (MAN_HEAD):
1.21 schwarze 656: term_fontrepl(p, TERMFONT_BOLD);
1.42 schwarze 657: p->offset = term_len(p, HALFINDENT);
1.11 schwarze 658: break;
659: case (MAN_BODY):
1.13 schwarze 660: p->offset = mt->offset;
1.11 schwarze 661: break;
662: default:
663: break;
664: }
665:
1.1 kristaps 666: return(1);
667: }
668:
669:
670: /* ARGSUSED */
671: static void
672: post_SS(DECL_ARGS)
673: {
674:
1.11 schwarze 675: switch (n->type) {
676: case (MAN_HEAD):
677: term_newln(p);
678: break;
679: case (MAN_BODY):
680: term_newln(p);
681: break;
682: default:
683: break;
684: }
1.1 kristaps 685: }
686:
687:
688: /* ARGSUSED */
689: static int
690: pre_SH(DECL_ARGS)
691: {
692:
1.11 schwarze 693: switch (n->type) {
694: case (MAN_BLOCK):
1.42 schwarze 695: mt->lmargin = term_len(p, INDENT);
696: mt->offset = term_len(p, INDENT);
1.11 schwarze 697: /* If following a prior empty `SH', no vspace. */
698: if (n->prev && MAN_SH == n->prev->tok)
699: if (NULL == n->prev->body->child)
700: break;
1.29 schwarze 701: /* If the first macro, no vspae. */
702: if (NULL == n->prev)
703: break;
1.11 schwarze 704: term_vspace(p);
705: break;
706: case (MAN_HEAD):
1.21 schwarze 707: term_fontrepl(p, TERMFONT_BOLD);
1.11 schwarze 708: p->offset = 0;
709: break;
710: case (MAN_BODY):
1.13 schwarze 711: p->offset = mt->offset;
1.11 schwarze 712: break;
713: default:
714: break;
715: }
716:
1.1 kristaps 717: return(1);
718: }
719:
720:
721: /* ARGSUSED */
722: static void
723: post_SH(DECL_ARGS)
724: {
725:
1.11 schwarze 726: switch (n->type) {
727: case (MAN_HEAD):
728: term_newln(p);
729: break;
730: case (MAN_BODY):
731: term_newln(p);
732: break;
733: default:
1.13 schwarze 734: break;
735: }
736: }
737:
738:
739: /* ARGSUSED */
740: static int
741: pre_RS(DECL_ARGS)
742: {
743: const struct man_node *nn;
744: int ival;
745:
746: switch (n->type) {
747: case (MAN_BLOCK):
748: term_newln(p);
749: return(1);
750: case (MAN_HEAD):
751: return(0);
752: default:
753: break;
754: }
755:
756: if (NULL == (nn = n->parent->head->child)) {
1.42 schwarze 757: mt->offset = mt->lmargin + term_len(p, INDENT);
1.13 schwarze 758: p->offset = mt->offset;
759: return(1);
760: }
761:
1.42 schwarze 762: if ((ival = a2width(p, nn->string)) < 0)
1.13 schwarze 763: return(1);
764:
1.42 schwarze 765: mt->offset = term_len(p, INDENT) + (size_t)ival;
1.13 schwarze 766: p->offset = mt->offset;
767:
768: return(1);
769: }
770:
771:
772: /* ARGSUSED */
773: static void
774: post_RS(DECL_ARGS)
775: {
776:
777: switch (n->type) {
778: case (MAN_BLOCK):
1.42 schwarze 779: mt->offset = mt->lmargin = term_len(p, INDENT);
1.13 schwarze 780: break;
1.27 schwarze 781: case (MAN_HEAD):
782: break;
1.13 schwarze 783: default:
784: term_newln(p);
1.42 schwarze 785: p->offset = term_len(p, INDENT);
1.11 schwarze 786: break;
787: }
1.1 kristaps 788: }
789:
790:
791: static void
1.19 schwarze 792: print_man_node(DECL_ARGS)
1.1 kristaps 793: {
1.32 schwarze 794: size_t rm, rmax;
1.21 schwarze 795: int c;
1.1 kristaps 796:
797: c = 1;
798:
799: switch (n->type) {
800: case(MAN_TEXT):
801: if (0 == *n->string) {
802: term_vspace(p);
803: break;
804: }
1.21 schwarze 805:
1.1 kristaps 806: term_word(p, n->string);
1.21 schwarze 807:
1.11 schwarze 808: /* FIXME: this means that macro lines are munged! */
1.21 schwarze 809:
1.11 schwarze 810: if (MANT_LITERAL & mt->fl) {
1.32 schwarze 811: rm = p->rmargin;
812: rmax = p->maxrmargin;
1.29 schwarze 813: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.11 schwarze 814: p->flags |= TERMP_NOSPACE;
815: term_flushln(p);
1.32 schwarze 816: p->rmargin = rm;
817: p->maxrmargin = rmax;
1.11 schwarze 818: }
1.1 kristaps 819: break;
820: default:
1.26 schwarze 821: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
822: term_fontrepl(p, TERMFONT_NONE);
1.11 schwarze 823: if (termacts[n->tok].pre)
824: c = (*termacts[n->tok].pre)(p, mt, n, m);
1.1 kristaps 825: break;
826: }
827:
828: if (c && n->child)
1.21 schwarze 829: print_man_nodelist(p, mt, n->child, m);
1.1 kristaps 830:
1.21 schwarze 831: if (MAN_TEXT != n->type) {
1.1 kristaps 832: if (termacts[n->tok].post)
1.11 schwarze 833: (*termacts[n->tok].post)(p, mt, n, m);
1.26 schwarze 834: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
835: term_fontrepl(p, TERMFONT_NONE);
1.21 schwarze 836: }
1.30 schwarze 837:
838: if (MAN_EOS & n->flags)
839: p->flags |= TERMP_SENTENCE;
1.1 kristaps 840: }
841:
842:
843: static void
1.21 schwarze 844: print_man_nodelist(DECL_ARGS)
1.1 kristaps 845: {
1.11 schwarze 846:
1.19 schwarze 847: print_man_node(p, mt, n, m);
1.1 kristaps 848: if ( ! n->next)
849: return;
1.21 schwarze 850: print_man_nodelist(p, mt, n->next, m);
1.1 kristaps 851: }
852:
853:
854: static void
1.41 schwarze 855: print_man_foot(struct termp *p, const void *arg)
1.1 kristaps 856: {
1.19 schwarze 857: char buf[DATESIZ];
1.41 schwarze 858: const struct man_meta *meta;
859:
860: meta = (const struct man_meta *)arg;
1.21 schwarze 861:
862: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 863:
1.40 schwarze 864: if (meta->rawdate)
865: strlcpy(buf, meta->rawdate, DATESIZ);
866: else
867: time2a(meta->date, buf, DATESIZ);
1.1 kristaps 868:
1.38 schwarze 869: term_vspace(p);
870: term_vspace(p);
1.1 kristaps 871: term_vspace(p);
872:
873: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.42 schwarze 874: p->rmargin = p->maxrmargin - term_strlen(p, buf);
1.1 kristaps 875: p->offset = 0;
876:
877: if (meta->source)
878: term_word(p, meta->source);
879: if (meta->source)
880: term_word(p, "");
881: term_flushln(p);
882:
883: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
884: p->offset = p->rmargin;
885: p->rmargin = p->maxrmargin;
886: p->flags &= ~TERMP_NOBREAK;
887:
888: term_word(p, buf);
889: term_flushln(p);
890: }
891:
892:
893: static void
1.41 schwarze 894: print_man_head(struct termp *p, const void *arg)
1.1 kristaps 895: {
1.20 schwarze 896: char buf[BUFSIZ], title[BUFSIZ];
1.25 schwarze 897: size_t buflen, titlen;
1.41 schwarze 898: const struct man_meta *m;
899:
900: m = (const struct man_meta *)arg;
1.1 kristaps 901:
1.29 schwarze 902: /*
903: * Note that old groff would spit out some spaces before the
904: * header. We discontinue this strange behaviour, but at one
905: * point we did so here.
906: */
907:
1.1 kristaps 908: p->rmargin = p->maxrmargin;
1.27 schwarze 909:
1.1 kristaps 910: p->offset = 0;
1.20 schwarze 911: buf[0] = title[0] = '\0';
1.1 kristaps 912:
1.20 schwarze 913: if (m->vol)
914: strlcpy(buf, m->vol, BUFSIZ);
1.42 schwarze 915: buflen = term_strlen(p, buf);
1.1 kristaps 916:
1.31 schwarze 917: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.42 schwarze 918: titlen = term_strlen(p, title);
1.1 kristaps 919:
920: p->offset = 0;
1.25 schwarze 921: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
1.42 schwarze 922: (p->maxrmargin -
923: term_strlen(p, buf) + term_len(p, 1)) / 2 :
1.25 schwarze 924: p->maxrmargin - buflen;
1.1 kristaps 925: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
926:
927: term_word(p, title);
928: term_flushln(p);
929:
930: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
931: p->offset = p->rmargin;
1.25 schwarze 932: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
933: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 934:
935: term_word(p, buf);
936: term_flushln(p);
937:
938: p->flags &= ~TERMP_NOBREAK;
1.25 schwarze 939: if (p->rmargin + titlen <= p->maxrmargin) {
940: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
941: p->offset = p->rmargin;
942: p->rmargin = p->maxrmargin;
943: term_word(p, title);
944: term_flushln(p);
945: }
1.1 kristaps 946:
947: p->rmargin = p->maxrmargin;
948: p->offset = 0;
949: p->flags &= ~TERMP_NOSPACE;
1.29 schwarze 950:
951: /*
952: * Groff likes to have some leading spaces before content. Well
953: * that's fine by me.
954: */
955:
956: term_vspace(p);
957: term_vspace(p);
958: term_vspace(p);
1.1 kristaps 959: }
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