Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.50
1.50 ! schwarze 1: /* $Id: man_term.c,v 1.49 2010/10/15 22:07:12 schwarze Exp $ */
1.1 kristaps 2: /*
1.44 schwarze 3: * Copyright (c) 2008, 2009, 2010 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"
27: #include "man.h"
1.1 kristaps 28: #include "term.h"
1.18 schwarze 29: #include "chars.h"
30: #include "main.h"
1.47 schwarze 31: #include "tbl.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);
1.14 schwarze 92: static int pre_ign(DECL_ARGS);
1.45 schwarze 93: static int pre_in(DECL_ARGS);
94: static int pre_literal(DECL_ARGS);
1.11 schwarze 95: static int pre_sp(DECL_ARGS);
1.47 schwarze 96: static int pre_TS(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 */
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 */
1.45 schwarze 130: { pre_literal, NULL, 0 }, /* nf */
131: { pre_literal, NULL, 0 }, /* fi */
1.26 schwarze 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 */
1.45 schwarze 139: { pre_literal, NULL, 0 }, /* Vb */
140: { pre_literal, NULL, 0 }, /* Ve */
1.36 schwarze 141: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 142: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.47 schwarze 143: { pre_TS, NULL, 0 }, /* TS */
144: { NULL, NULL, 0 }, /* TE */
1.1 kristaps 145: };
1.11 schwarze 146:
1.1 kristaps 147:
148:
1.16 schwarze 149: void
1.18 schwarze 150: terminal_man(void *arg, const struct man *man)
1.1 kristaps 151: {
1.18 schwarze 152: struct termp *p;
153: const struct man_node *n;
154: const struct man_meta *m;
155: struct mtermp mt;
156:
157: p = (struct termp *)arg;
158:
1.39 schwarze 159: p->overstep = 0;
1.32 schwarze 160: p->maxrmargin = p->defrmargin;
1.42 schwarze 161: p->tabwidth = term_len(p, 5);
1.27 schwarze 162:
1.18 schwarze 163: if (NULL == p->symtab)
164: switch (p->enc) {
165: case (TERMENC_ASCII):
166: p->symtab = chars_init(CHARS_ASCII);
167: break;
168: default:
169: abort();
170: /* NOTREACHED */
171: }
172:
173: n = man_node(man);
174: m = man_meta(man);
1.1 kristaps 175:
1.41 schwarze 176: term_begin(p, print_man_head, print_man_foot, m);
1.1 kristaps 177: p->flags |= TERMP_NOSPACE;
1.11 schwarze 178:
179: mt.fl = 0;
1.42 schwarze 180: mt.lmargin = term_len(p, INDENT);
181: mt.offset = term_len(p, INDENT);
1.11 schwarze 182:
1.18 schwarze 183: if (n->child)
1.21 schwarze 184: print_man_nodelist(p, &mt, n->child, m);
1.41 schwarze 185:
186: term_end(p);
1.1 kristaps 187: }
188:
189:
1.42 schwarze 190: static size_t
191: a2height(const struct termp *p, const char *cp)
1.11 schwarze 192: {
1.18 schwarze 193: struct roffsu su;
1.11 schwarze 194:
1.42 schwarze 195: if ( ! a2roffsu(cp, &su, SCALE_VS))
196: SCALE_VS_INIT(&su, term_strlen(p, cp));
1.11 schwarze 197:
1.42 schwarze 198: return(term_vspan(p, &su));
1.11 schwarze 199: }
200:
201:
202: static int
1.42 schwarze 203: a2width(const struct termp *p, const char *cp)
1.11 schwarze 204: {
1.18 schwarze 205: struct roffsu su;
1.11 schwarze 206:
1.42 schwarze 207: if ( ! a2roffsu(cp, &su, SCALE_BU))
1.18 schwarze 208: return(-1);
209:
1.42 schwarze 210: return((int)term_hspan(p, &su));
1.18 schwarze 211: }
1.11 schwarze 212:
213:
1.18 schwarze 214: static void
215: print_bvspace(struct termp *p, const struct man_node *n)
216: {
217: term_newln(p);
1.11 schwarze 218:
1.18 schwarze 219: if (NULL == n->prev)
220: return;
1.11 schwarze 221:
1.18 schwarze 222: if (MAN_SS == n->prev->tok)
223: return;
224: if (MAN_SH == n->prev->tok)
225: return;
1.11 schwarze 226:
1.18 schwarze 227: term_vspace(p);
1.14 schwarze 228: }
229:
230:
231: /* ARGSUSED */
232: static int
233: pre_ign(DECL_ARGS)
234: {
235:
236: return(0);
1.11 schwarze 237: }
238:
239:
1.1 kristaps 240: /* ARGSUSED */
241: static int
242: pre_I(DECL_ARGS)
243: {
244:
1.21 schwarze 245: term_fontrepl(p, TERMFONT_UNDER);
1.1 kristaps 246: return(1);
247: }
248:
249:
250: /* ARGSUSED */
1.11 schwarze 251: static int
1.45 schwarze 252: pre_literal(DECL_ARGS)
1.11 schwarze 253: {
254:
1.45 schwarze 255: term_newln(p);
256: switch (n->tok) {
257: case (MAN_Vb):
258: /* FALLTHROUGH */
259: case (MAN_nf):
260: mt->fl |= MANT_LITERAL;
261: return(MAN_Vb != n->tok);
262: default:
263: mt->fl &= ~MANT_LITERAL;
264: break;
265: }
266:
1.11 schwarze 267: return(1);
268: }
269:
270:
271:
272: /* ARGSUSED */
273: static int
1.17 schwarze 274: pre_RB(DECL_ARGS)
1.1 kristaps 275: {
276: const struct man_node *nn;
277: int i;
278:
279: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.17 schwarze 280: if (i % 2 && MAN_RB == n->tok)
1.21 schwarze 281: term_fontrepl(p, TERMFONT_BOLD);
1.17 schwarze 282: else if ( ! (i % 2) && MAN_RB != n->tok)
1.21 schwarze 283: term_fontrepl(p, TERMFONT_BOLD);
284: else
285: term_fontrepl(p, TERMFONT_NONE);
1.17 schwarze 286:
1.1 kristaps 287: if (i > 0)
288: p->flags |= TERMP_NOSPACE;
1.17 schwarze 289:
1.19 schwarze 290: print_man_node(p, mt, nn, m);
1.1 kristaps 291: }
292: return(0);
293: }
294:
295:
296: /* ARGSUSED */
297: static int
298: pre_RI(DECL_ARGS)
299: {
300: const struct man_node *nn;
301: int i;
302:
303: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.21 schwarze 304: if (i % 2 && MAN_RI == n->tok)
305: term_fontrepl(p, TERMFONT_UNDER);
306: else if ( ! (i % 2) && MAN_RI != n->tok)
307: term_fontrepl(p, TERMFONT_UNDER);
308: else
309: term_fontrepl(p, TERMFONT_NONE);
310:
1.1 kristaps 311: if (i > 0)
312: p->flags |= TERMP_NOSPACE;
1.21 schwarze 313:
1.19 schwarze 314: print_man_node(p, mt, nn, m);
1.1 kristaps 315: }
316: return(0);
317: }
318:
319:
320: /* ARGSUSED */
321: static int
322: pre_BI(DECL_ARGS)
323: {
1.17 schwarze 324: const struct man_node *nn;
325: int i;
1.1 kristaps 326:
327: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.17 schwarze 328: if (i % 2 && MAN_BI == n->tok)
1.21 schwarze 329: term_fontrepl(p, TERMFONT_UNDER);
1.17 schwarze 330: else if (i % 2)
1.21 schwarze 331: term_fontrepl(p, TERMFONT_BOLD);
1.17 schwarze 332: else if (MAN_BI == n->tok)
1.21 schwarze 333: term_fontrepl(p, TERMFONT_BOLD);
1.15 schwarze 334: else
1.21 schwarze 335: term_fontrepl(p, TERMFONT_UNDER);
1.17 schwarze 336:
337: if (i)
1.1 kristaps 338: p->flags |= TERMP_NOSPACE;
1.21 schwarze 339:
1.19 schwarze 340: print_man_node(p, mt, nn, m);
1.1 kristaps 341: }
342: return(0);
343: }
344:
345:
346: /* ARGSUSED */
347: static int
348: pre_B(DECL_ARGS)
349: {
350:
1.21 schwarze 351: term_fontrepl(p, TERMFONT_BOLD);
1.1 kristaps 352: return(1);
353: }
354:
355:
356: /* ARGSUSED */
357: static int
1.45 schwarze 358: pre_in(DECL_ARGS)
1.11 schwarze 359: {
1.45 schwarze 360: int len, less;
361: size_t v;
362: const char *cp;
363:
364: term_newln(p);
365:
366: if (NULL == n->child) {
367: p->offset = mt->offset;
368: return(0);
369: }
1.11 schwarze 370:
1.45 schwarze 371: cp = n->child->string;
372: less = 0;
1.11 schwarze 373:
1.45 schwarze 374: if ('-' == *cp)
375: less = -1;
376: else if ('+' == *cp)
377: less = 1;
378: else
379: cp--;
380:
381: if ((len = a2width(p, ++cp)) < 0)
382: return(0);
383:
384: v = (size_t)len;
385:
386: if (less < 0)
387: p->offset -= p->offset > v ? v : p->offset;
388: else if (less > 0)
389: p->offset += v;
390: else
391: p->offset = v;
1.11 schwarze 392:
393: return(0);
394: }
395:
396:
397: /* ARGSUSED */
398: static int
1.45 schwarze 399: pre_sp(DECL_ARGS)
1.8 schwarze 400: {
1.45 schwarze 401: size_t i, len;
402:
403: switch (n->tok) {
404: case (MAN_br):
405: len = 0;
406: break;
407: default:
408: len = n->child ? a2height(p, n->child->string) : 1;
409: break;
410: }
411:
412: if (0 == len)
413: term_newln(p);
414: for (i = 0; i < len; i++)
415: term_vspace(p);
1.8 schwarze 416:
417: return(0);
418: }
419:
420:
421: /* ARGSUSED */
422: static int
1.11 schwarze 423: pre_HP(DECL_ARGS)
424: {
425: size_t len;
426: int ival;
427: const struct man_node *nn;
428:
429: switch (n->type) {
430: case (MAN_BLOCK):
1.18 schwarze 431: print_bvspace(p, n);
1.11 schwarze 432: return(1);
433: case (MAN_BODY):
434: p->flags |= TERMP_NOBREAK;
435: p->flags |= TERMP_TWOSPACE;
436: break;
437: default:
438: return(0);
439: }
440:
1.13 schwarze 441: len = mt->lmargin;
1.11 schwarze 442: ival = -1;
443:
444: /* Calculate offset. */
445:
446: if (NULL != (nn = n->parent->head->child))
1.42 schwarze 447: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 448: len = (size_t)ival;
449:
450: if (0 == len)
1.42 schwarze 451: len = term_len(p, 1);
1.11 schwarze 452:
1.13 schwarze 453: p->offset = mt->offset;
454: p->rmargin = mt->offset + len;
1.11 schwarze 455:
456: if (ival >= 0)
1.13 schwarze 457: mt->lmargin = (size_t)ival;
1.11 schwarze 458:
459: return(1);
460: }
461:
462:
463: /* ARGSUSED */
464: static void
465: post_HP(DECL_ARGS)
466: {
467:
468: switch (n->type) {
469: case (MAN_BLOCK):
470: term_flushln(p);
471: break;
472: case (MAN_BODY):
473: term_flushln(p);
474: p->flags &= ~TERMP_NOBREAK;
475: p->flags &= ~TERMP_TWOSPACE;
1.13 schwarze 476: p->offset = mt->offset;
1.11 schwarze 477: p->rmargin = p->maxrmargin;
478: break;
479: default:
480: break;
481: }
482: }
483:
484:
485: /* ARGSUSED */
486: static int
1.1 kristaps 487: pre_PP(DECL_ARGS)
488: {
489:
1.11 schwarze 490: switch (n->type) {
491: case (MAN_BLOCK):
1.42 schwarze 492: mt->lmargin = term_len(p, INDENT);
1.18 schwarze 493: print_bvspace(p, n);
1.11 schwarze 494: break;
495: default:
1.13 schwarze 496: p->offset = mt->offset;
1.11 schwarze 497: break;
498: }
499:
500: return(1);
1.1 kristaps 501: }
502:
503:
504: /* ARGSUSED */
505: static int
506: pre_IP(DECL_ARGS)
507: {
1.11 schwarze 508: const struct man_node *nn;
509: size_t len;
510: int ival;
511:
512: switch (n->type) {
513: case (MAN_BODY):
514: p->flags |= TERMP_NOLPAD;
515: p->flags |= TERMP_NOSPACE;
516: break;
517: case (MAN_HEAD):
518: p->flags |= TERMP_NOBREAK;
519: break;
520: case (MAN_BLOCK):
1.18 schwarze 521: print_bvspace(p, n);
1.11 schwarze 522: /* FALLTHROUGH */
523: default:
524: return(1);
525: }
526:
1.13 schwarze 527: len = mt->lmargin;
1.11 schwarze 528: ival = -1;
529:
530: /* Calculate offset. */
531:
532: if (NULL != (nn = n->parent->head->child))
533: if (NULL != (nn = nn->next)) {
534: for ( ; nn->next; nn = nn->next)
535: /* Do nothing. */ ;
1.42 schwarze 536: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 537: len = (size_t)ival;
538: }
539:
540: switch (n->type) {
541: case (MAN_HEAD):
542: /* Handle zero-width lengths. */
543: if (0 == len)
1.42 schwarze 544: len = term_len(p, 1);
1.11 schwarze 545:
1.13 schwarze 546: p->offset = mt->offset;
547: p->rmargin = mt->offset + len;
1.11 schwarze 548: if (ival < 0)
549: break;
550:
551: /* Set the saved left-margin. */
1.13 schwarze 552: mt->lmargin = (size_t)ival;
1.1 kristaps 553:
1.11 schwarze 554: /* Don't print the length value. */
555: for (nn = n->child; nn->next; nn = nn->next)
1.19 schwarze 556: print_man_node(p, mt, nn, m);
1.11 schwarze 557: return(0);
558: case (MAN_BODY):
1.13 schwarze 559: p->offset = mt->offset + len;
1.11 schwarze 560: p->rmargin = p->maxrmargin;
561: break;
562: default:
563: break;
564: }
1.1 kristaps 565:
1.11 schwarze 566: return(1);
567: }
1.1 kristaps 568:
569:
1.11 schwarze 570: /* ARGSUSED */
571: static void
572: post_IP(DECL_ARGS)
573: {
1.4 schwarze 574:
1.11 schwarze 575: switch (n->type) {
576: case (MAN_HEAD):
577: term_flushln(p);
578: p->flags &= ~TERMP_NOBREAK;
579: p->rmargin = p->maxrmargin;
580: break;
581: case (MAN_BODY):
582: term_flushln(p);
583: p->flags &= ~TERMP_NOLPAD;
584: break;
585: default:
586: break;
587: }
1.1 kristaps 588: }
589:
590:
591: /* ARGSUSED */
592: static int
593: pre_TP(DECL_ARGS)
594: {
1.11 schwarze 595: const struct man_node *nn;
596: size_t len;
597: int ival;
598:
599: switch (n->type) {
600: case (MAN_HEAD):
601: p->flags |= TERMP_NOBREAK;
602: p->flags |= TERMP_TWOSPACE;
603: break;
604: case (MAN_BODY):
605: p->flags |= TERMP_NOLPAD;
606: p->flags |= TERMP_NOSPACE;
607: break;
608: case (MAN_BLOCK):
1.18 schwarze 609: print_bvspace(p, n);
1.11 schwarze 610: /* FALLTHROUGH */
611: default:
612: return(1);
613: }
614:
615: len = (size_t)mt->lmargin;
616: ival = -1;
617:
618: /* Calculate offset. */
1.1 kristaps 619:
1.22 schwarze 620: if (NULL != (nn = n->parent->head->child)) {
621: while (nn && MAN_TEXT != nn->type)
622: nn = nn->next;
623: if (nn && nn->next)
1.42 schwarze 624: if ((ival = a2width(p, nn->string)) >= 0)
1.11 schwarze 625: len = (size_t)ival;
1.22 schwarze 626: }
1.8 schwarze 627:
1.11 schwarze 628: switch (n->type) {
629: case (MAN_HEAD):
630: /* Handle zero-length properly. */
631: if (0 == len)
1.42 schwarze 632: len = term_len(p, 1);
1.11 schwarze 633:
1.13 schwarze 634: p->offset = mt->offset;
635: p->rmargin = mt->offset + len;
1.11 schwarze 636:
637: /* Don't print same-line elements. */
638: for (nn = n->child; nn; nn = nn->next)
639: if (nn->line > n->line)
1.19 schwarze 640: print_man_node(p, mt, nn, m);
1.11 schwarze 641:
642: if (ival >= 0)
1.13 schwarze 643: mt->lmargin = (size_t)ival;
1.11 schwarze 644:
645: return(0);
646: case (MAN_BODY):
1.13 schwarze 647: p->offset = mt->offset + len;
1.11 schwarze 648: p->rmargin = p->maxrmargin;
649: break;
650: default:
651: break;
652: }
1.1 kristaps 653:
1.11 schwarze 654: return(1);
655: }
1.1 kristaps 656:
657:
1.11 schwarze 658: /* ARGSUSED */
659: static void
660: post_TP(DECL_ARGS)
661: {
1.1 kristaps 662:
1.11 schwarze 663: switch (n->type) {
664: case (MAN_HEAD):
665: term_flushln(p);
666: p->flags &= ~TERMP_NOBREAK;
667: p->flags &= ~TERMP_TWOSPACE;
668: p->rmargin = p->maxrmargin;
669: break;
670: case (MAN_BODY):
671: term_flushln(p);
672: p->flags &= ~TERMP_NOLPAD;
673: break;
674: default:
675: break;
676: }
1.1 kristaps 677: }
678:
679:
680: /* ARGSUSED */
681: static int
682: pre_SS(DECL_ARGS)
683: {
684:
1.11 schwarze 685: switch (n->type) {
686: case (MAN_BLOCK):
1.42 schwarze 687: mt->lmargin = term_len(p, INDENT);
688: mt->offset = term_len(p, INDENT);
1.11 schwarze 689: /* If following a prior empty `SS', no vspace. */
690: if (n->prev && MAN_SS == n->prev->tok)
691: if (NULL == n->prev->body->child)
692: break;
693: if (NULL == n->prev)
694: break;
695: term_vspace(p);
696: break;
697: case (MAN_HEAD):
1.21 schwarze 698: term_fontrepl(p, TERMFONT_BOLD);
1.42 schwarze 699: p->offset = term_len(p, HALFINDENT);
1.11 schwarze 700: break;
701: case (MAN_BODY):
1.13 schwarze 702: p->offset = mt->offset;
1.11 schwarze 703: break;
704: default:
705: break;
706: }
707:
1.1 kristaps 708: return(1);
709: }
710:
711:
712: /* ARGSUSED */
713: static void
714: post_SS(DECL_ARGS)
715: {
716:
1.11 schwarze 717: switch (n->type) {
718: case (MAN_HEAD):
719: term_newln(p);
720: break;
721: case (MAN_BODY):
722: term_newln(p);
723: break;
724: default:
725: break;
726: }
1.1 kristaps 727: }
728:
729:
730: /* ARGSUSED */
731: static int
732: pre_SH(DECL_ARGS)
733: {
734:
1.11 schwarze 735: switch (n->type) {
736: case (MAN_BLOCK):
1.42 schwarze 737: mt->lmargin = term_len(p, INDENT);
738: mt->offset = term_len(p, INDENT);
1.11 schwarze 739: /* If following a prior empty `SH', no vspace. */
740: if (n->prev && MAN_SH == n->prev->tok)
741: if (NULL == n->prev->body->child)
742: break;
1.29 schwarze 743: /* If the first macro, no vspae. */
744: if (NULL == n->prev)
745: break;
1.11 schwarze 746: term_vspace(p);
747: break;
748: case (MAN_HEAD):
1.21 schwarze 749: term_fontrepl(p, TERMFONT_BOLD);
1.11 schwarze 750: p->offset = 0;
751: break;
752: case (MAN_BODY):
1.13 schwarze 753: p->offset = mt->offset;
1.11 schwarze 754: break;
755: default:
756: break;
757: }
758:
1.1 kristaps 759: return(1);
760: }
761:
762:
763: /* ARGSUSED */
764: static void
765: post_SH(DECL_ARGS)
766: {
767:
1.11 schwarze 768: switch (n->type) {
769: case (MAN_HEAD):
770: term_newln(p);
771: break;
772: case (MAN_BODY):
773: term_newln(p);
774: break;
775: default:
1.13 schwarze 776: break;
777: }
778: }
779:
780:
781: /* ARGSUSED */
782: static int
783: pre_RS(DECL_ARGS)
784: {
785: const struct man_node *nn;
786: int ival;
787:
788: switch (n->type) {
789: case (MAN_BLOCK):
790: term_newln(p);
791: return(1);
792: case (MAN_HEAD):
793: return(0);
794: default:
795: break;
796: }
797:
798: if (NULL == (nn = n->parent->head->child)) {
1.42 schwarze 799: mt->offset = mt->lmargin + term_len(p, INDENT);
1.13 schwarze 800: p->offset = mt->offset;
801: return(1);
802: }
803:
1.42 schwarze 804: if ((ival = a2width(p, nn->string)) < 0)
1.13 schwarze 805: return(1);
806:
1.42 schwarze 807: mt->offset = term_len(p, INDENT) + (size_t)ival;
1.13 schwarze 808: p->offset = mt->offset;
809:
810: return(1);
811: }
812:
813:
814: /* ARGSUSED */
815: static void
816: post_RS(DECL_ARGS)
817: {
818:
819: switch (n->type) {
820: case (MAN_BLOCK):
1.42 schwarze 821: mt->offset = mt->lmargin = term_len(p, INDENT);
1.13 schwarze 822: break;
1.27 schwarze 823: case (MAN_HEAD):
824: break;
1.13 schwarze 825: default:
826: term_newln(p);
1.42 schwarze 827: p->offset = term_len(p, INDENT);
1.11 schwarze 828: break;
829: }
1.47 schwarze 830: }
831:
832:
833: /* ARGSUSED */
834: static int
835: pre_TS(DECL_ARGS)
836: {
837:
838: if (MAN_BLOCK != n->type)
839: return(0);
840:
1.50 ! schwarze 841: if (tbl_close(p, n->data.TS, "man tbl postprocess", n->line))
! 842: tbl_write(p, n->data.TS);
1.47 schwarze 843:
844: return(0);
1.1 kristaps 845: }
846:
847:
848: static void
1.19 schwarze 849: print_man_node(DECL_ARGS)
1.1 kristaps 850: {
1.32 schwarze 851: size_t rm, rmax;
1.21 schwarze 852: int c;
1.1 kristaps 853:
854: c = 1;
855:
856: switch (n->type) {
857: case(MAN_TEXT):
858: if (0 == *n->string) {
859: term_vspace(p);
860: break;
861: }
1.21 schwarze 862:
1.1 kristaps 863: term_word(p, n->string);
1.21 schwarze 864:
1.11 schwarze 865: /* FIXME: this means that macro lines are munged! */
1.21 schwarze 866:
1.11 schwarze 867: if (MANT_LITERAL & mt->fl) {
1.32 schwarze 868: rm = p->rmargin;
869: rmax = p->maxrmargin;
1.29 schwarze 870: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.11 schwarze 871: p->flags |= TERMP_NOSPACE;
872: term_flushln(p);
1.32 schwarze 873: p->rmargin = rm;
874: p->maxrmargin = rmax;
1.11 schwarze 875: }
1.1 kristaps 876: break;
877: default:
1.26 schwarze 878: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
879: term_fontrepl(p, TERMFONT_NONE);
1.11 schwarze 880: if (termacts[n->tok].pre)
881: c = (*termacts[n->tok].pre)(p, mt, n, m);
1.1 kristaps 882: break;
883: }
884:
885: if (c && n->child)
1.21 schwarze 886: print_man_nodelist(p, mt, n->child, m);
1.1 kristaps 887:
1.21 schwarze 888: if (MAN_TEXT != n->type) {
1.1 kristaps 889: if (termacts[n->tok].post)
1.11 schwarze 890: (*termacts[n->tok].post)(p, mt, n, m);
1.26 schwarze 891: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
892: term_fontrepl(p, TERMFONT_NONE);
1.21 schwarze 893: }
1.30 schwarze 894:
895: if (MAN_EOS & n->flags)
896: p->flags |= TERMP_SENTENCE;
1.1 kristaps 897: }
898:
899:
900: static void
1.21 schwarze 901: print_man_nodelist(DECL_ARGS)
1.1 kristaps 902: {
1.11 schwarze 903:
1.19 schwarze 904: print_man_node(p, mt, n, m);
1.1 kristaps 905: if ( ! n->next)
906: return;
1.21 schwarze 907: print_man_nodelist(p, mt, n->next, m);
1.1 kristaps 908: }
909:
910:
911: static void
1.41 schwarze 912: print_man_foot(struct termp *p, const void *arg)
1.1 kristaps 913: {
1.19 schwarze 914: char buf[DATESIZ];
1.41 schwarze 915: const struct man_meta *meta;
916:
917: meta = (const struct man_meta *)arg;
1.21 schwarze 918:
919: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 920:
1.40 schwarze 921: if (meta->rawdate)
922: strlcpy(buf, meta->rawdate, DATESIZ);
923: else
924: time2a(meta->date, buf, DATESIZ);
1.1 kristaps 925:
1.38 schwarze 926: term_vspace(p);
927: term_vspace(p);
1.1 kristaps 928: term_vspace(p);
929:
930: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.42 schwarze 931: p->rmargin = p->maxrmargin - term_strlen(p, buf);
1.1 kristaps 932: p->offset = 0;
1.46 schwarze 933:
934: /* term_strlen() can return zero. */
935: if (p->rmargin == p->maxrmargin)
936: p->rmargin--;
1.1 kristaps 937:
938: if (meta->source)
939: term_word(p, meta->source);
940: if (meta->source)
941: term_word(p, "");
942: term_flushln(p);
943:
944: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
945: p->offset = p->rmargin;
946: p->rmargin = p->maxrmargin;
947: p->flags &= ~TERMP_NOBREAK;
948:
949: term_word(p, buf);
950: term_flushln(p);
951: }
952:
953:
954: static void
1.41 schwarze 955: print_man_head(struct termp *p, const void *arg)
1.1 kristaps 956: {
1.20 schwarze 957: char buf[BUFSIZ], title[BUFSIZ];
1.25 schwarze 958: size_t buflen, titlen;
1.41 schwarze 959: const struct man_meta *m;
960:
961: m = (const struct man_meta *)arg;
1.1 kristaps 962:
1.29 schwarze 963: /*
964: * Note that old groff would spit out some spaces before the
965: * header. We discontinue this strange behaviour, but at one
966: * point we did so here.
967: */
968:
1.1 kristaps 969: p->rmargin = p->maxrmargin;
1.27 schwarze 970:
1.1 kristaps 971: p->offset = 0;
1.20 schwarze 972: buf[0] = title[0] = '\0';
1.1 kristaps 973:
1.20 schwarze 974: if (m->vol)
975: strlcpy(buf, m->vol, BUFSIZ);
1.42 schwarze 976: buflen = term_strlen(p, buf);
1.1 kristaps 977:
1.31 schwarze 978: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.42 schwarze 979: titlen = term_strlen(p, title);
1.1 kristaps 980:
981: p->offset = 0;
1.25 schwarze 982: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
1.42 schwarze 983: (p->maxrmargin -
984: term_strlen(p, buf) + term_len(p, 1)) / 2 :
1.25 schwarze 985: p->maxrmargin - buflen;
1.1 kristaps 986: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
987:
988: term_word(p, title);
989: term_flushln(p);
990:
991: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
992: p->offset = p->rmargin;
1.25 schwarze 993: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
994: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 995:
996: term_word(p, buf);
997: term_flushln(p);
998:
999: p->flags &= ~TERMP_NOBREAK;
1.25 schwarze 1000: if (p->rmargin + titlen <= p->maxrmargin) {
1001: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1002: p->offset = p->rmargin;
1003: p->rmargin = p->maxrmargin;
1004: term_word(p, title);
1005: term_flushln(p);
1006: }
1.1 kristaps 1007:
1008: p->rmargin = p->maxrmargin;
1009: p->offset = 0;
1010: p->flags &= ~TERMP_NOSPACE;
1.29 schwarze 1011:
1012: /*
1013: * Groff likes to have some leading spaces before content. Well
1014: * that's fine by me.
1015: */
1016:
1017: term_vspace(p);
1018: term_vspace(p);
1019: term_vspace(p);
1.1 kristaps 1020: }
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