Annotation of mandoc/man_term.c, Revision 1.36
1.36 ! kristaps 1: /* $Id: man_term.c,v 1.35 2009/10/08 23:00:15 kristaps Exp $ */
1.1 kristaps 2: /*
1.9 kristaps 3: * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 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: *
1.8 kristaps 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: */
1.28 kristaps 17: #include <sys/types.h>
18:
1.1 kristaps 19: #include <assert.h>
1.18 kristaps 20: #include <ctype.h>
1.31 kristaps 21: #include <err.h>
1.1 kristaps 22: #include <stdio.h>
23: #include <stdlib.h>
24: #include <string.h>
25:
1.36 ! kristaps 26: #include "man.h"
1.1 kristaps 27: #include "term.h"
1.36 ! kristaps 28: #include "chars.h"
! 29: #include "main.h"
1.1 kristaps 30:
1.18 kristaps 31: #define INDENT 7
32: #define HALFINDENT 3
33:
1.24 kristaps 34: struct mtermp {
35: int fl;
1.19 kristaps 36: #define MANT_LITERAL (1 << 0)
1.26 kristaps 37: /*
38: * Default amount to indent the left margin after leading text
39: * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
40: * indent). This needs to be saved because `HP' and so on, if
41: * not having a specified value, must default.
42: *
43: * Note that this is the indentation AFTER the left offset, so
44: * the total offset is usually offset + lmargin.
45: */
46: size_t lmargin;
47: /*
48: * The default offset, i.e., the amount between any text and the
49: * page boundary.
50: */
51: size_t offset;
1.24 kristaps 52: };
1.19 kristaps 53:
1.1 kristaps 54: #define DECL_ARGS struct termp *p, \
1.24 kristaps 55: struct mtermp *mt, \
1.1 kristaps 56: const struct man_node *n, \
57: const struct man_meta *m
58:
59: struct termact {
60: int (*pre)(DECL_ARGS);
61: void (*post)(DECL_ARGS);
62: };
63:
64: static int pre_B(DECL_ARGS);
1.3 kristaps 65: static int pre_BI(DECL_ARGS);
1.19 kristaps 66: static int pre_HP(DECL_ARGS);
1.1 kristaps 67: static int pre_I(DECL_ARGS);
1.4 kristaps 68: static int pre_IP(DECL_ARGS);
1.3 kristaps 69: static int pre_IR(DECL_ARGS);
1.1 kristaps 70: static int pre_PP(DECL_ARGS);
1.3 kristaps 71: static int pre_RB(DECL_ARGS);
72: static int pre_RI(DECL_ARGS);
1.26 kristaps 73: static int pre_RS(DECL_ARGS);
1.1 kristaps 74: static int pre_SH(DECL_ARGS);
75: static int pre_SS(DECL_ARGS);
76: static int pre_TP(DECL_ARGS);
1.19 kristaps 77: static int pre_br(DECL_ARGS);
78: static int pre_fi(DECL_ARGS);
1.29 kristaps 79: static int pre_ign(DECL_ARGS);
1.19 kristaps 80: static int pre_nf(DECL_ARGS);
81: static int pre_r(DECL_ARGS);
82: static int pre_sp(DECL_ARGS);
1.1 kristaps 83:
84: static void post_B(DECL_ARGS);
85: static void post_I(DECL_ARGS);
1.22 kristaps 86: static void post_IP(DECL_ARGS);
1.20 kristaps 87: static void post_HP(DECL_ARGS);
1.26 kristaps 88: static void post_RS(DECL_ARGS);
1.1 kristaps 89: static void post_SH(DECL_ARGS);
90: static void post_SS(DECL_ARGS);
1.21 kristaps 91: static void post_TP(DECL_ARGS);
1.19 kristaps 92: static void post_i(DECL_ARGS);
1.1 kristaps 93:
1.32 kristaps 94: static const struct termact termacts[MAN_MAX] = {
1.15 kristaps 95: { pre_br, NULL }, /* br */
1.1 kristaps 96: { NULL, NULL }, /* TH */
97: { pre_SH, post_SH }, /* SH */
98: { pre_SS, post_SS }, /* SS */
1.21 kristaps 99: { pre_TP, post_TP }, /* TP */
1.1 kristaps 100: { pre_PP, NULL }, /* LP */
101: { pre_PP, NULL }, /* PP */
102: { pre_PP, NULL }, /* P */
1.22 kristaps 103: { pre_IP, post_IP }, /* IP */
1.20 kristaps 104: { pre_HP, post_HP }, /* HP */
1.1 kristaps 105: { NULL, NULL }, /* SM */
106: { pre_B, post_B }, /* SB */
1.3 kristaps 107: { pre_BI, NULL }, /* BI */
1.35 kristaps 108: { pre_BI, NULL }, /* IB */
109: { pre_RB, NULL }, /* BR */
1.3 kristaps 110: { pre_RB, NULL }, /* RB */
1.1 kristaps 111: { NULL, NULL }, /* R */
112: { pre_B, post_B }, /* B */
113: { pre_I, post_I }, /* I */
1.3 kristaps 114: { pre_IR, NULL }, /* IR */
115: { pre_RI, NULL }, /* RI */
1.27 kristaps 116: { NULL, NULL }, /* na */
1.19 kristaps 117: { pre_I, post_i }, /* i */
118: { pre_sp, NULL }, /* sp */
119: { pre_nf, NULL }, /* nf */
120: { pre_fi, NULL }, /* fi */
121: { pre_r, NULL }, /* r */
1.25 kristaps 122: { NULL, NULL }, /* RE */
1.26 kristaps 123: { pre_RS, post_RS }, /* RS */
1.29 kristaps 124: { pre_ign, NULL }, /* DT */
125: { pre_ign, NULL }, /* UC */
1.1 kristaps 126: };
127:
1.24 kristaps 128: #ifdef __linux__
129: extern size_t strlcpy(char *, const char *, size_t);
130: extern size_t strlcat(char *, const char *, size_t);
131: #endif
132:
1.31 kristaps 133: static void print_head(struct termp *,
1.1 kristaps 134: const struct man_meta *);
135: static void print_body(DECL_ARGS);
136: static void print_node(DECL_ARGS);
1.31 kristaps 137: static void print_foot(struct termp *,
1.1 kristaps 138: const struct man_meta *);
1.18 kristaps 139: static void fmt_block_vspace(struct termp *,
140: const struct man_node *);
141: static int arg_width(const struct man_node *);
1.1 kristaps 142:
143:
1.31 kristaps 144: void
1.36 ! kristaps 145: terminal_man(void *arg, const struct man *man)
1.1 kristaps 146: {
1.36 ! kristaps 147: struct termp *p;
! 148: const struct man_node *n;
! 149: const struct man_meta *m;
! 150: struct mtermp mt;
! 151:
! 152: p = (struct termp *)arg;
! 153:
! 154: if (NULL == p->symtab)
! 155: switch (p->enc) {
! 156: case (TERMENC_ASCII):
! 157: p->symtab = chars_init(CHARS_ASCII);
! 158: break;
! 159: default:
! 160: abort();
! 161: /* NOTREACHED */
! 162: }
! 163:
! 164: n = man_node(man);
! 165: m = man_meta(man);
1.1 kristaps 166:
1.36 ! kristaps 167: print_head(p, m);
1.1 kristaps 168: p->flags |= TERMP_NOSPACE;
1.19 kristaps 169:
1.24 kristaps 170: mt.fl = 0;
171: mt.lmargin = INDENT;
1.26 kristaps 172: mt.offset = INDENT;
1.24 kristaps 173:
1.36 ! kristaps 174: if (n->child)
! 175: print_body(p, &mt, n->child, m);
! 176: print_foot(p, m);
1.1 kristaps 177: }
178:
179:
1.18 kristaps 180: static void
181: fmt_block_vspace(struct termp *p, const struct man_node *n)
182: {
183: term_newln(p);
184:
185: if (NULL == n->prev)
186: return;
187:
188: if (MAN_SS == n->prev->tok)
189: return;
190: if (MAN_SH == n->prev->tok)
191: return;
192:
193: term_vspace(p);
194: }
195:
196:
197: static int
198: arg_width(const struct man_node *n)
199: {
200: int i, len;
201: const char *p;
202:
203: assert(MAN_TEXT == n->type);
204: assert(n->string);
205:
206: p = n->string;
207:
208: if (0 == (len = (int)strlen(p)))
209: return(-1);
210:
211: for (i = 0; i < len; i++)
212: if ( ! isdigit((u_char)p[i]))
213: break;
214:
215: if (i == len - 1) {
216: if ('n' == p[len - 1] || 'm' == p[len - 1])
217: return(atoi(p));
218: } else if (i == len)
219: return(atoi(p));
220:
221: return(-1);
222: }
223:
224:
1.3 kristaps 225: /* ARGSUSED */
1.1 kristaps 226: static int
1.29 kristaps 227: pre_ign(DECL_ARGS)
228: {
229:
230: return(0);
231: }
232:
233:
234: /* ARGSUSED */
235: static int
1.1 kristaps 236: pre_I(DECL_ARGS)
237: {
238:
1.30 kristaps 239: p->under++;
1.1 kristaps 240: return(1);
241: }
242:
243:
1.3 kristaps 244: /* ARGSUSED */
1.19 kristaps 245: static int
246: pre_r(DECL_ARGS)
247: {
248:
1.30 kristaps 249: p->bold = p->under = 0;
1.19 kristaps 250: return(1);
251: }
252:
253:
254: /* ARGSUSED */
255: static void
256: post_i(DECL_ARGS)
257: {
258:
259: if (n->nchild)
1.30 kristaps 260: p->under--;
1.19 kristaps 261: }
262:
263:
264: /* ARGSUSED */
1.1 kristaps 265: static void
266: post_I(DECL_ARGS)
267: {
268:
1.30 kristaps 269: p->under--;
1.1 kristaps 270: }
271:
272:
1.3 kristaps 273: /* ARGSUSED */
274: static int
1.19 kristaps 275: pre_fi(DECL_ARGS)
276: {
277:
1.24 kristaps 278: mt->fl &= ~MANT_LITERAL;
1.19 kristaps 279: return(1);
280: }
281:
282:
283: /* ARGSUSED */
284: static int
285: pre_nf(DECL_ARGS)
286: {
287:
288: term_newln(p);
1.24 kristaps 289: mt->fl |= MANT_LITERAL;
1.19 kristaps 290: return(1);
291: }
292:
293:
294: /* ARGSUSED */
295: static int
1.3 kristaps 296: pre_IR(DECL_ARGS)
297: {
298: const struct man_node *nn;
299: int i;
300:
301: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
302: if ( ! (i % 2))
1.30 kristaps 303: p->under++;
1.4 kristaps 304: if (i > 0)
305: p->flags |= TERMP_NOSPACE;
1.24 kristaps 306: print_node(p, mt, nn, m);
1.3 kristaps 307: if ( ! (i % 2))
1.30 kristaps 308: p->under--;
1.3 kristaps 309: }
310: return(0);
311: }
312:
313:
314: /* ARGSUSED */
315: static int
1.35 kristaps 316: pre_RB(DECL_ARGS)
1.3 kristaps 317: {
318: const struct man_node *nn;
319: int i;
320:
321: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.35 kristaps 322: if (i % 2 && MAN_RB == n->tok)
323: p->bold++;
324: else if ( ! (i % 2) && MAN_RB != n->tok)
1.30 kristaps 325: p->bold++;
1.35 kristaps 326:
1.4 kristaps 327: if (i > 0)
328: p->flags |= TERMP_NOSPACE;
1.35 kristaps 329:
1.24 kristaps 330: print_node(p, mt, nn, m);
1.35 kristaps 331:
332: if (i % 2 && MAN_RB == n->tok)
1.30 kristaps 333: p->bold--;
1.35 kristaps 334: else if ( ! (i % 2) && MAN_RB != n->tok)
1.30 kristaps 335: p->bold--;
1.3 kristaps 336: }
337: return(0);
338: }
339:
340:
341: /* ARGSUSED */
342: static int
343: pre_RI(DECL_ARGS)
344: {
345: const struct man_node *nn;
346: int i;
347:
348: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
349: if ( ! (i % 2))
1.30 kristaps 350: p->under++;
1.4 kristaps 351: if (i > 0)
352: p->flags |= TERMP_NOSPACE;
1.24 kristaps 353: print_node(p, mt, nn, m);
1.3 kristaps 354: if ( ! (i % 2))
1.30 kristaps 355: p->under--;
1.3 kristaps 356: }
357: return(0);
358: }
359:
360:
361: /* ARGSUSED */
362: static int
363: pre_BI(DECL_ARGS)
364: {
1.35 kristaps 365: const struct man_node *nn;
366: int i;
1.3 kristaps 367:
368: for (i = 0, nn = n->child; nn; nn = nn->next, i++) {
1.35 kristaps 369: if (i % 2 && MAN_BI == n->tok)
1.30 kristaps 370: p->under++;
1.35 kristaps 371: else if (i % 2)
372: p->bold++;
373: else if (MAN_BI == n->tok)
374: p->bold++;
1.30 kristaps 375: else
1.35 kristaps 376: p->under++;
377:
378: if (i)
1.4 kristaps 379: p->flags |= TERMP_NOSPACE;
1.24 kristaps 380: print_node(p, mt, nn, m);
1.35 kristaps 381:
382: if (i % 2 && MAN_BI == n->tok)
1.30 kristaps 383: p->under--;
1.35 kristaps 384: else if (i % 2)
385: p->bold--;
386: else if (MAN_BI == n->tok)
387: p->bold--;
1.30 kristaps 388: else
1.35 kristaps 389: p->under--;
1.3 kristaps 390: }
391: return(0);
392: }
393:
394:
395: /* ARGSUSED */
1.1 kristaps 396: static int
397: pre_B(DECL_ARGS)
398: {
399:
1.30 kristaps 400: p->bold++;
1.1 kristaps 401: return(1);
402: }
403:
404:
1.3 kristaps 405: /* ARGSUSED */
1.1 kristaps 406: static void
407: post_B(DECL_ARGS)
408: {
409:
1.30 kristaps 410: p->bold--;
1.1 kristaps 411: }
412:
413:
1.3 kristaps 414: /* ARGSUSED */
1.1 kristaps 415: static int
1.19 kristaps 416: pre_sp(DECL_ARGS)
417: {
418: int i, len;
419:
420: if (NULL == n->child) {
421: term_vspace(p);
422: return(0);
423: }
424:
425: len = atoi(n->child->string);
426: if (0 == len)
427: term_newln(p);
428: for (i = 0; i < len; i++)
429: term_vspace(p);
430:
431: return(0);
432: }
433:
434:
435: /* ARGSUSED */
436: static int
1.15 kristaps 437: pre_br(DECL_ARGS)
438: {
439:
440: term_newln(p);
441: return(0);
442: }
443:
444:
445: /* ARGSUSED */
446: static int
1.19 kristaps 447: pre_HP(DECL_ARGS)
448: {
1.24 kristaps 449: size_t len;
450: int ival;
451: const struct man_node *nn;
1.19 kristaps 452:
1.20 kristaps 453: switch (n->type) {
454: case (MAN_BLOCK):
455: fmt_block_vspace(p, n);
1.24 kristaps 456: return(1);
1.20 kristaps 457: case (MAN_BODY):
458: p->flags |= TERMP_NOBREAK;
459: p->flags |= TERMP_TWOSPACE;
460: break;
461: default:
462: return(0);
463: }
464:
1.26 kristaps 465: len = mt->lmargin;
1.24 kristaps 466: ival = -1;
467:
468: /* Calculate offset. */
469:
470: if (NULL != (nn = n->parent->head->child))
471: if ((ival = arg_width(nn)) >= 0)
472: len = (size_t)ival;
473:
474: if (0 == len)
475: len = 1;
476:
1.26 kristaps 477: p->offset = mt->offset;
478: p->rmargin = mt->offset + len;
1.24 kristaps 479:
480: if (ival >= 0)
1.26 kristaps 481: mt->lmargin = (size_t)ival;
1.24 kristaps 482:
1.19 kristaps 483: return(1);
484: }
485:
486:
487: /* ARGSUSED */
1.20 kristaps 488: static void
489: post_HP(DECL_ARGS)
490: {
491:
492: switch (n->type) {
1.24 kristaps 493: case (MAN_BLOCK):
494: term_flushln(p);
495: break;
1.20 kristaps 496: case (MAN_BODY):
497: term_flushln(p);
498: p->flags &= ~TERMP_NOBREAK;
499: p->flags &= ~TERMP_TWOSPACE;
1.26 kristaps 500: p->offset = mt->offset;
1.20 kristaps 501: p->rmargin = p->maxrmargin;
502: break;
503: default:
504: break;
505: }
506: }
507:
508:
509: /* ARGSUSED */
1.19 kristaps 510: static int
1.1 kristaps 511: pre_PP(DECL_ARGS)
512: {
513:
1.19 kristaps 514: switch (n->type) {
515: case (MAN_BLOCK):
1.24 kristaps 516: mt->lmargin = INDENT;
1.19 kristaps 517: fmt_block_vspace(p, n);
518: break;
519: default:
1.26 kristaps 520: p->offset = mt->offset;
1.19 kristaps 521: break;
522: }
523:
524: return(1);
1.1 kristaps 525: }
526:
527:
1.3 kristaps 528: /* ARGSUSED */
1.1 kristaps 529: static int
1.4 kristaps 530: pre_IP(DECL_ARGS)
531: {
1.22 kristaps 532: const struct man_node *nn;
533: size_t len;
534: int ival;
1.18 kristaps 535:
1.22 kristaps 536: switch (n->type) {
537: case (MAN_BODY):
538: p->flags |= TERMP_NOLPAD;
539: p->flags |= TERMP_NOSPACE;
540: break;
541: case (MAN_HEAD):
542: p->flags |= TERMP_NOBREAK;
543: p->flags |= TERMP_TWOSPACE;
544: break;
1.23 kristaps 545: case (MAN_BLOCK):
546: fmt_block_vspace(p, n);
547: /* FALLTHROUGH */
1.22 kristaps 548: default:
549: return(1);
550: }
1.18 kristaps 551:
1.26 kristaps 552: len = mt->lmargin;
1.22 kristaps 553: ival = -1;
1.4 kristaps 554:
1.22 kristaps 555: /* Calculate offset. */
1.4 kristaps 556:
1.22 kristaps 557: if (NULL != (nn = n->parent->head->child))
558: if (NULL != (nn = nn->next)) {
559: for ( ; nn->next; nn = nn->next)
560: /* Do nothing. */ ;
561: if ((ival = arg_width(nn)) >= 0)
562: len = (size_t)ival;
563: }
1.4 kristaps 564:
1.22 kristaps 565: switch (n->type) {
566: case (MAN_HEAD):
1.23 kristaps 567: /* Handle zero-width lengths. */
568: if (0 == len)
569: len = 1;
570:
1.26 kristaps 571: p->offset = mt->offset;
572: p->rmargin = mt->offset + len;
1.22 kristaps 573: if (ival < 0)
574: break;
1.18 kristaps 575:
1.24 kristaps 576: /* Set the saved left-margin. */
1.26 kristaps 577: mt->lmargin = (size_t)ival;
1.24 kristaps 578:
1.22 kristaps 579: /* Don't print the length value. */
580: for (nn = n->child; nn->next; nn = nn->next)
1.24 kristaps 581: print_node(p, mt, nn, m);
1.22 kristaps 582: return(0);
1.23 kristaps 583: case (MAN_BODY):
1.26 kristaps 584: p->offset = mt->offset + len;
1.23 kristaps 585: p->rmargin = p->maxrmargin;
586: break;
1.22 kristaps 587: default:
588: break;
1.18 kristaps 589: }
590:
1.22 kristaps 591: return(1);
592: }
1.18 kristaps 593:
594:
1.22 kristaps 595: /* ARGSUSED */
596: static void
597: post_IP(DECL_ARGS)
598: {
1.4 kristaps 599:
1.22 kristaps 600: switch (n->type) {
601: case (MAN_HEAD):
602: term_flushln(p);
603: p->flags &= ~TERMP_NOBREAK;
604: p->flags &= ~TERMP_TWOSPACE;
605: p->rmargin = p->maxrmargin;
606: break;
607: case (MAN_BODY):
608: term_flushln(p);
609: p->flags &= ~TERMP_NOLPAD;
610: break;
611: default:
612: break;
613: }
1.4 kristaps 614: }
615:
616:
617: /* ARGSUSED */
618: static int
1.1 kristaps 619: pre_TP(DECL_ARGS)
620: {
1.23 kristaps 621: const struct man_node *nn;
622: size_t len;
623: int ival;
1.1 kristaps 624:
1.21 kristaps 625: switch (n->type) {
626: case (MAN_HEAD):
627: p->flags |= TERMP_NOBREAK;
628: p->flags |= TERMP_TWOSPACE;
629: break;
630: case (MAN_BODY):
631: p->flags |= TERMP_NOLPAD;
632: p->flags |= TERMP_NOSPACE;
1.23 kristaps 633: break;
634: case (MAN_BLOCK):
635: fmt_block_vspace(p, n);
636: /* FALLTHROUGH */
637: default:
638: return(1);
639: }
640:
1.24 kristaps 641: len = (size_t)mt->lmargin;
1.23 kristaps 642: ival = -1;
643:
644: /* Calculate offset. */
645:
646: if (NULL != (nn = n->parent->head->child))
647: if (NULL != nn->next)
648: if ((ival = arg_width(nn)) >= 0)
649: len = (size_t)ival;
650:
651: switch (n->type) {
652: case (MAN_HEAD):
653: /* Handle zero-length properly. */
654: if (0 == len)
655: len = 1;
656:
1.26 kristaps 657: p->offset = mt->offset;
658: p->rmargin = mt->offset + len;
1.23 kristaps 659:
660: /* Don't print same-line elements. */
661: for (nn = n->child; nn; nn = nn->next)
662: if (nn->line > n->line)
1.24 kristaps 663: print_node(p, mt, nn, m);
664:
665: if (ival >= 0)
1.26 kristaps 666: mt->lmargin = (size_t)ival;
1.24 kristaps 667:
1.23 kristaps 668: return(0);
669: case (MAN_BODY):
1.26 kristaps 670: p->offset = mt->offset + len;
1.23 kristaps 671: p->rmargin = p->maxrmargin;
1.21 kristaps 672: break;
673: default:
674: break;
675: }
1.16 kristaps 676:
1.21 kristaps 677: return(1);
678: }
1.1 kristaps 679:
680:
1.21 kristaps 681: /* ARGSUSED */
682: static void
683: post_TP(DECL_ARGS)
684: {
1.1 kristaps 685:
1.21 kristaps 686: switch (n->type) {
687: case (MAN_HEAD):
688: term_flushln(p);
689: p->flags &= ~TERMP_NOBREAK;
690: p->flags &= ~TERMP_TWOSPACE;
691: p->rmargin = p->maxrmargin;
692: break;
693: case (MAN_BODY):
694: term_flushln(p);
695: p->flags &= ~TERMP_NOLPAD;
696: break;
697: default:
698: break;
699: }
1.1 kristaps 700: }
701:
702:
1.3 kristaps 703: /* ARGSUSED */
1.1 kristaps 704: static int
705: pre_SS(DECL_ARGS)
706: {
707:
1.19 kristaps 708: switch (n->type) {
709: case (MAN_BLOCK):
1.24 kristaps 710: mt->lmargin = INDENT;
1.26 kristaps 711: mt->offset = INDENT;
1.24 kristaps 712: /* If following a prior empty `SS', no vspace. */
713: if (n->prev && MAN_SS == n->prev->tok)
714: if (NULL == n->prev->body->child)
715: break;
716: if (NULL == n->prev)
717: break;
718: term_vspace(p);
1.19 kristaps 719: break;
720: case (MAN_HEAD):
1.30 kristaps 721: p->bold++;
1.19 kristaps 722: p->offset = HALFINDENT;
723: break;
1.24 kristaps 724: case (MAN_BODY):
1.26 kristaps 725: p->offset = mt->offset;
1.24 kristaps 726: break;
1.19 kristaps 727: default:
728: break;
729: }
730:
1.1 kristaps 731: return(1);
732: }
733:
734:
1.3 kristaps 735: /* ARGSUSED */
1.1 kristaps 736: static void
737: post_SS(DECL_ARGS)
738: {
739:
1.19 kristaps 740: switch (n->type) {
741: case (MAN_HEAD):
742: term_newln(p);
1.30 kristaps 743: p->bold--;
1.19 kristaps 744: break;
1.24 kristaps 745: case (MAN_BODY):
746: term_newln(p);
747: break;
1.19 kristaps 748: default:
749: break;
750: }
1.1 kristaps 751: }
752:
753:
1.3 kristaps 754: /* ARGSUSED */
1.1 kristaps 755: static int
756: pre_SH(DECL_ARGS)
757: {
1.22 kristaps 758:
1.19 kristaps 759: switch (n->type) {
760: case (MAN_BLOCK):
1.24 kristaps 761: mt->lmargin = INDENT;
1.26 kristaps 762: mt->offset = INDENT;
1.22 kristaps 763: /* If following a prior empty `SH', no vspace. */
1.19 kristaps 764: if (n->prev && MAN_SH == n->prev->tok)
765: if (NULL == n->prev->body->child)
766: break;
767: term_vspace(p);
768: break;
769: case (MAN_HEAD):
1.30 kristaps 770: p->bold++;
1.19 kristaps 771: p->offset = 0;
772: break;
773: case (MAN_BODY):
1.26 kristaps 774: p->offset = mt->offset;
1.19 kristaps 775: break;
776: default:
777: break;
778: }
1.1 kristaps 779:
780: return(1);
781: }
782:
783:
1.3 kristaps 784: /* ARGSUSED */
1.1 kristaps 785: static void
786: post_SH(DECL_ARGS)
787: {
788:
1.19 kristaps 789: switch (n->type) {
790: case (MAN_HEAD):
791: term_newln(p);
1.30 kristaps 792: p->bold--;
1.19 kristaps 793: break;
794: case (MAN_BODY):
795: term_newln(p);
796: break;
797: default:
798: break;
799: }
1.1 kristaps 800: }
801:
802:
1.26 kristaps 803: /* ARGSUSED */
804: static int
805: pre_RS(DECL_ARGS)
806: {
807: const struct man_node *nn;
808: int ival;
809:
810: switch (n->type) {
811: case (MAN_BLOCK):
812: term_newln(p);
813: return(1);
814: case (MAN_HEAD):
815: return(0);
816: default:
817: break;
818: }
819:
820: if (NULL == (nn = n->parent->head->child)) {
821: mt->offset = mt->lmargin + INDENT;
822: p->offset = mt->offset;
823: return(1);
824: }
825:
826: if ((ival = arg_width(nn)) < 0)
827: return(1);
828:
829: mt->offset = INDENT + (size_t)ival;
830: p->offset = mt->offset;
831:
832: return(1);
833: }
834:
835:
836: /* ARGSUSED */
837: static void
838: post_RS(DECL_ARGS)
839: {
840:
841: switch (n->type) {
842: case (MAN_BLOCK):
843: mt->offset = mt->lmargin = INDENT;
844: break;
845: default:
846: term_newln(p);
847: p->offset = INDENT;
848: break;
849: }
850: }
851:
852:
1.1 kristaps 853: static void
854: print_node(DECL_ARGS)
855: {
1.4 kristaps 856: int c, sz;
1.1 kristaps 857:
858: c = 1;
859:
860: switch (n->type) {
861: case(MAN_TEXT):
1.4 kristaps 862: if (0 == *n->string) {
863: term_vspace(p);
1.1 kristaps 864: break;
865: }
1.4 kristaps 866: /*
867: * Note! This is hacky. Here, we recognise the `\c'
868: * escape embedded in so many -man pages. It's supposed
869: * to remove the subsequent space, so we mark NOSPACE if
870: * it's encountered in the string.
871: */
872: sz = (int)strlen(n->string);
873: term_word(p, n->string);
874: if (sz >= 2 && n->string[sz - 1] == 'c' &&
875: n->string[sz - 2] == '\\')
876: p->flags |= TERMP_NOSPACE;
1.19 kristaps 877: /* FIXME: this means that macro lines are munged! */
1.24 kristaps 878: if (MANT_LITERAL & mt->fl) {
1.19 kristaps 879: p->flags |= TERMP_NOSPACE;
880: term_flushln(p);
881: }
1.1 kristaps 882: break;
883: default:
1.19 kristaps 884: if (termacts[n->tok].pre)
1.24 kristaps 885: c = (*termacts[n->tok].pre)(p, mt, n, m);
1.1 kristaps 886: break;
887: }
888:
889: if (c && n->child)
1.24 kristaps 890: print_body(p, mt, n->child, m);
1.1 kristaps 891:
1.19 kristaps 892: if (MAN_TEXT != n->type)
1.1 kristaps 893: if (termacts[n->tok].post)
1.24 kristaps 894: (*termacts[n->tok].post)(p, mt, n, m);
1.1 kristaps 895: }
896:
897:
898: static void
899: print_body(DECL_ARGS)
900: {
1.19 kristaps 901:
1.24 kristaps 902: print_node(p, mt, n, m);
1.1 kristaps 903: if ( ! n->next)
904: return;
1.24 kristaps 905: print_body(p, mt, n->next, m);
1.1 kristaps 906: }
907:
908:
1.31 kristaps 909: static void
1.1 kristaps 910: print_foot(struct termp *p, const struct man_meta *meta)
911: {
912: struct tm *tm;
1.34 kristaps 913: char buf[BUFSIZ];
1.1 kristaps 914:
915: tm = localtime(&meta->date);
916:
917: if (0 == strftime(buf, p->rmargin, "%B %d, %Y", tm))
1.34 kristaps 918: (void)strlcpy(buf, "(invalid date)", BUFSIZ);
1.1 kristaps 919:
920: term_vspace(p);
921:
922: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
923: p->rmargin = p->maxrmargin - strlen(buf);
924: p->offset = 0;
925:
926: if (meta->source)
927: term_word(p, meta->source);
928: if (meta->source)
929: term_word(p, "");
930: term_flushln(p);
931:
932: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
933: p->offset = p->rmargin;
934: p->rmargin = p->maxrmargin;
935: p->flags &= ~TERMP_NOBREAK;
936:
937: term_word(p, buf);
938: term_flushln(p);
939: }
940:
941:
1.31 kristaps 942: static void
1.1 kristaps 943: print_head(struct termp *p, const struct man_meta *meta)
944: {
945: char *buf, *title;
946:
947: p->rmargin = p->maxrmargin;
948: p->offset = 0;
949:
950: if (NULL == (buf = malloc(p->rmargin)))
1.31 kristaps 951: err(EXIT_FAILURE, "malloc");
1.1 kristaps 952: if (NULL == (title = malloc(p->rmargin)))
1.31 kristaps 953: err(EXIT_FAILURE, "malloc");
1.1 kristaps 954:
955: if (meta->vol)
956: (void)strlcpy(buf, meta->vol, p->rmargin);
957: else
958: *buf = 0;
959:
960: (void)snprintf(title, p->rmargin, "%s(%d)",
961: meta->title, meta->msec);
962:
963: p->offset = 0;
1.10 kristaps 964: p->rmargin = (p->maxrmargin - strlen(buf) + 1) / 2;
1.1 kristaps 965: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
966:
967: term_word(p, title);
968: term_flushln(p);
969:
970: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
971: p->offset = p->rmargin;
972: p->rmargin = p->maxrmargin - strlen(title);
973:
974: term_word(p, buf);
975: term_flushln(p);
976:
977: p->offset = p->rmargin;
978: p->rmargin = p->maxrmargin;
979: p->flags &= ~TERMP_NOBREAK;
980: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
981:
982: term_word(p, title);
983: term_flushln(p);
984:
985: p->rmargin = p->maxrmargin;
986: p->offset = 0;
987: p->flags &= ~TERMP_NOSPACE;
988:
989: free(title);
990: free(buf);
991: }
992:
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