Annotation of mandoc/man_term.c, Revision 1.94
1.94 ! schwarze 1: /* $Id: man_term.c,v 1.93 2011/01/03 15:30:25 kristaps Exp $ */
1.1 kristaps 2: /*
1.80 schwarze 3: * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
1.94 ! 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
1.8 kristaps 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: *
1.8 kristaps 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: */
1.55 kristaps 18: #ifdef HAVE_CONFIG_H
19: #include "config.h"
20: #endif
21:
1.28 kristaps 22: #include <sys/types.h>
23:
1.1 kristaps 24: #include <assert.h>
1.18 kristaps 25: #include <ctype.h>
1.1 kristaps 26: #include <stdio.h>
27: #include <stdlib.h>
28: #include <string.h>
29:
1.71 kristaps 30: #include "mandoc.h"
1.40 kristaps 31: #include "out.h"
1.36 kristaps 32: #include "man.h"
1.1 kristaps 33: #include "term.h"
1.36 kristaps 34: #include "chars.h"
35: #include "main.h"
1.1 kristaps 36:
1.18 kristaps 37: #define INDENT 7
38: #define HALFINDENT 3
39:
1.44 kristaps 40: /* FIXME: have PD set the default vspace width. */
41:
1.24 kristaps 42: struct mtermp {
43: int fl;
1.19 kristaps 44: #define MANT_LITERAL (1 << 0)
1.26 kristaps 45: /*
46: * Default amount to indent the left margin after leading text
47: * has been printed (e.g., `HP' left-indent, `TP' and `IP' body
48: * indent). This needs to be saved because `HP' and so on, if
49: * not having a specified value, must default.
50: *
51: * Note that this is the indentation AFTER the left offset, so
52: * the total offset is usually offset + lmargin.
53: */
54: size_t lmargin;
55: /*
56: * The default offset, i.e., the amount between any text and the
57: * page boundary.
58: */
59: size_t offset;
1.24 kristaps 60: };
1.19 kristaps 61:
1.1 kristaps 62: #define DECL_ARGS struct termp *p, \
1.24 kristaps 63: struct mtermp *mt, \
1.1 kristaps 64: const struct man_node *n, \
65: const struct man_meta *m
66:
67: struct termact {
68: int (*pre)(DECL_ARGS);
69: void (*post)(DECL_ARGS);
1.56 kristaps 70: int flags;
71: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 72: };
73:
1.77 kristaps 74: static int a2width(const struct termp *, const char *);
75: static size_t a2height(const struct termp *, const char *);
1.39 kristaps 76:
1.52 kristaps 77: static void print_man_nodelist(DECL_ARGS);
1.45 kristaps 78: static void print_man_node(DECL_ARGS);
1.74 kristaps 79: static void print_man_head(struct termp *, const void *);
1.73 kristaps 80: static void print_man_foot(struct termp *, const void *);
1.39 kristaps 81: static void print_bvspace(struct termp *,
82: const struct man_node *);
83:
1.88 kristaps 84: static int pre_alternate(DECL_ARGS);
1.1 kristaps 85: static int pre_B(DECL_ARGS);
1.19 kristaps 86: static int pre_HP(DECL_ARGS);
1.1 kristaps 87: static int pre_I(DECL_ARGS);
1.4 kristaps 88: static int pre_IP(DECL_ARGS);
1.1 kristaps 89: static int pre_PP(DECL_ARGS);
1.26 kristaps 90: static int pre_RS(DECL_ARGS);
1.1 kristaps 91: static int pre_SH(DECL_ARGS);
92: static int pre_SS(DECL_ARGS);
93: static int pre_TP(DECL_ARGS);
1.29 kristaps 94: static int pre_ign(DECL_ARGS);
1.83 kristaps 95: static int pre_in(DECL_ARGS);
1.84 kristaps 96: static int pre_literal(DECL_ARGS);
1.19 kristaps 97: static int pre_sp(DECL_ARGS);
1.89 kristaps 98: static int pre_ft(DECL_ARGS);
1.1 kristaps 99:
1.22 kristaps 100: static void post_IP(DECL_ARGS);
1.20 kristaps 101: static void post_HP(DECL_ARGS);
1.26 kristaps 102: static void post_RS(DECL_ARGS);
1.1 kristaps 103: static void post_SH(DECL_ARGS);
104: static void post_SS(DECL_ARGS);
1.21 kristaps 105: static void post_TP(DECL_ARGS);
1.1 kristaps 106:
1.32 kristaps 107: static const struct termact termacts[MAN_MAX] = {
1.82 kristaps 108: { pre_sp, NULL, MAN_NOTEXT }, /* br */
1.56 kristaps 109: { NULL, NULL, 0 }, /* TH */
110: { pre_SH, post_SH, 0 }, /* SH */
111: { pre_SS, post_SS, 0 }, /* SS */
112: { pre_TP, post_TP, 0 }, /* TP */
113: { pre_PP, NULL, 0 }, /* LP */
114: { pre_PP, NULL, 0 }, /* PP */
115: { pre_PP, NULL, 0 }, /* P */
116: { pre_IP, post_IP, 0 }, /* IP */
117: { pre_HP, post_HP, 0 }, /* HP */
118: { NULL, NULL, 0 }, /* SM */
119: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 120: { pre_alternate, NULL, 0 }, /* BI */
121: { pre_alternate, NULL, 0 }, /* IB */
122: { pre_alternate, NULL, 0 }, /* BR */
123: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 124: { NULL, NULL, 0 }, /* R */
125: { pre_B, NULL, 0 }, /* B */
126: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 127: { pre_alternate, NULL, 0 }, /* IR */
128: { pre_alternate, NULL, 0 }, /* RI */
1.56 kristaps 129: { NULL, NULL, MAN_NOTEXT }, /* na */
130: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.84 kristaps 131: { pre_literal, NULL, 0 }, /* nf */
132: { pre_literal, NULL, 0 }, /* fi */
1.56 kristaps 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 */
1.70 joerg 138: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 139: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.89 kristaps 140: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.1 kristaps 141: };
142:
143:
144:
1.31 kristaps 145: void
1.36 kristaps 146: terminal_man(void *arg, const struct man *man)
1.1 kristaps 147: {
1.36 kristaps 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:
1.58 kristaps 155: p->overstep = 0;
1.65 joerg 156: p->maxrmargin = p->defrmargin;
1.77 kristaps 157: p->tabwidth = term_len(p, 5);
1.73 kristaps 158:
1.36 kristaps 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:
1.75 schwarze 172: term_begin(p, print_man_head, print_man_foot, m);
1.1 kristaps 173: p->flags |= TERMP_NOSPACE;
1.19 kristaps 174:
1.24 kristaps 175: mt.fl = 0;
1.77 kristaps 176: mt.lmargin = term_len(p, INDENT);
177: mt.offset = term_len(p, INDENT);
1.24 kristaps 178:
1.36 kristaps 179: if (n->child)
1.52 kristaps 180: print_man_nodelist(p, &mt, n->child, m);
1.73 kristaps 181:
182: term_end(p);
1.1 kristaps 183: }
184:
185:
1.77 kristaps 186: static size_t
187: a2height(const struct termp *p, const char *cp)
1.18 kristaps 188: {
1.40 kristaps 189: struct roffsu su;
1.18 kristaps 190:
1.77 kristaps 191: if ( ! a2roffsu(cp, &su, SCALE_VS))
192: SCALE_VS_INIT(&su, term_strlen(p, cp));
1.18 kristaps 193:
1.77 kristaps 194: return(term_vspan(p, &su));
1.18 kristaps 195: }
196:
197:
198: static int
1.77 kristaps 199: a2width(const struct termp *p, const char *cp)
1.38 kristaps 200: {
1.40 kristaps 201: struct roffsu su;
1.38 kristaps 202:
1.77 kristaps 203: if ( ! a2roffsu(cp, &su, SCALE_BU))
1.41 kristaps 204: return(-1);
1.40 kristaps 205:
1.77 kristaps 206: return((int)term_hspan(p, &su));
1.38 kristaps 207: }
208:
209:
1.39 kristaps 210: static void
211: print_bvspace(struct termp *p, const struct man_node *n)
1.18 kristaps 212: {
1.39 kristaps 213: term_newln(p);
1.18 kristaps 214:
1.39 kristaps 215: if (NULL == n->prev)
216: return;
1.18 kristaps 217:
1.39 kristaps 218: if (MAN_SS == n->prev->tok)
219: return;
220: if (MAN_SH == n->prev->tok)
221: return;
1.18 kristaps 222:
1.39 kristaps 223: term_vspace(p);
1.18 kristaps 224: }
225:
226:
1.3 kristaps 227: /* ARGSUSED */
1.1 kristaps 228: static int
1.29 kristaps 229: pre_ign(DECL_ARGS)
230: {
231:
232: return(0);
233: }
234:
235:
236: /* ARGSUSED */
237: static int
1.1 kristaps 238: pre_I(DECL_ARGS)
239: {
240:
1.52 kristaps 241: term_fontrepl(p, TERMFONT_UNDER);
1.19 kristaps 242: return(1);
243: }
244:
245:
246: /* ARGSUSED */
1.3 kristaps 247: static int
1.84 kristaps 248: pre_literal(DECL_ARGS)
1.19 kristaps 249: {
250:
1.81 kristaps 251: term_newln(p);
1.88 kristaps 252:
253: if (MAN_nf == n->tok)
1.84 kristaps 254: mt->fl |= MANT_LITERAL;
1.88 kristaps 255: else
1.84 kristaps 256: mt->fl &= ~MANT_LITERAL;
257:
1.19 kristaps 258: return(1);
259: }
260:
261: /* ARGSUSED */
262: static int
1.88 kristaps 263: pre_alternate(DECL_ARGS)
1.3 kristaps 264: {
1.88 kristaps 265: enum termfont font[2];
266: const struct man_node *nn;
267: int savelit, i;
1.3 kristaps 268:
1.88 kristaps 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: }
1.35 kristaps 297:
1.88 kristaps 298: savelit = MANT_LITERAL & mt->fl;
299: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 300:
1.88 kristaps 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;
1.45 kristaps 305: print_man_node(p, mt, nn, m);
1.88 kristaps 306: if (nn->next)
1.4 kristaps 307: p->flags |= TERMP_NOSPACE;
1.3 kristaps 308: }
309:
310: return(0);
311: }
312:
313: /* ARGSUSED */
1.1 kristaps 314: static int
315: pre_B(DECL_ARGS)
316: {
317:
1.52 kristaps 318: term_fontrepl(p, TERMFONT_BOLD);
1.1 kristaps 319: return(1);
1.89 kristaps 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);
1.83 kristaps 361: }
362:
363: /* ARGSUSED */
364: static int
365: pre_in(DECL_ARGS)
366: {
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: }
377:
378: cp = n->child->string;
379: less = 0;
380:
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;
399:
400: return(0);
1.1 kristaps 401: }
402:
403:
1.3 kristaps 404: /* ARGSUSED */
1.1 kristaps 405: static int
1.19 kristaps 406: pre_sp(DECL_ARGS)
407: {
1.77 kristaps 408: size_t i, len;
1.19 kristaps 409:
1.82 kristaps 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: }
1.38 kristaps 418:
1.19 kristaps 419: if (0 == len)
420: term_newln(p);
1.82 kristaps 421: for (i = 0; i < len; i++)
1.19 kristaps 422: term_vspace(p);
423:
1.15 kristaps 424: return(0);
425: }
426:
427:
428: /* ARGSUSED */
429: static int
1.19 kristaps 430: pre_HP(DECL_ARGS)
431: {
1.24 kristaps 432: size_t len;
433: int ival;
434: const struct man_node *nn;
1.19 kristaps 435:
1.20 kristaps 436: switch (n->type) {
437: case (MAN_BLOCK):
1.39 kristaps 438: print_bvspace(p, n);
1.24 kristaps 439: return(1);
1.20 kristaps 440: case (MAN_BODY):
441: p->flags |= TERMP_NOBREAK;
442: p->flags |= TERMP_TWOSPACE;
443: break;
444: default:
445: return(0);
446: }
447:
1.26 kristaps 448: len = mt->lmargin;
1.24 kristaps 449: ival = -1;
450:
451: /* Calculate offset. */
452:
1.39 kristaps 453: if (NULL != (nn = n->parent->head->child))
1.77 kristaps 454: if ((ival = a2width(p, nn->string)) >= 0)
1.24 kristaps 455: len = (size_t)ival;
456:
457: if (0 == len)
1.77 kristaps 458: len = term_len(p, 1);
1.24 kristaps 459:
1.26 kristaps 460: p->offset = mt->offset;
461: p->rmargin = mt->offset + len;
1.24 kristaps 462:
463: if (ival >= 0)
1.26 kristaps 464: mt->lmargin = (size_t)ival;
1.24 kristaps 465:
1.19 kristaps 466: return(1);
467: }
468:
469:
470: /* ARGSUSED */
1.20 kristaps 471: static void
472: post_HP(DECL_ARGS)
473: {
474:
475: switch (n->type) {
1.24 kristaps 476: case (MAN_BLOCK):
477: term_flushln(p);
478: break;
1.20 kristaps 479: case (MAN_BODY):
480: term_flushln(p);
481: p->flags &= ~TERMP_NOBREAK;
482: p->flags &= ~TERMP_TWOSPACE;
1.26 kristaps 483: p->offset = mt->offset;
1.20 kristaps 484: p->rmargin = p->maxrmargin;
485: break;
486: default:
487: break;
488: }
489: }
490:
491:
492: /* ARGSUSED */
1.19 kristaps 493: static int
1.1 kristaps 494: pre_PP(DECL_ARGS)
495: {
496:
1.19 kristaps 497: switch (n->type) {
498: case (MAN_BLOCK):
1.77 kristaps 499: mt->lmargin = term_len(p, INDENT);
1.39 kristaps 500: print_bvspace(p, n);
1.19 kristaps 501: break;
502: default:
1.26 kristaps 503: p->offset = mt->offset;
1.19 kristaps 504: break;
505: }
506:
1.87 kristaps 507: return(MAN_HEAD != n->type);
1.1 kristaps 508: }
509:
510:
1.3 kristaps 511: /* ARGSUSED */
1.1 kristaps 512: static int
1.4 kristaps 513: pre_IP(DECL_ARGS)
514: {
1.22 kristaps 515: const struct man_node *nn;
516: size_t len;
1.94 ! schwarze 517: int savelit, ival;
1.18 kristaps 518:
1.22 kristaps 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;
1.23 kristaps 527: case (MAN_BLOCK):
1.39 kristaps 528: print_bvspace(p, n);
1.23 kristaps 529: /* FALLTHROUGH */
1.22 kristaps 530: default:
531: return(1);
532: }
1.18 kristaps 533:
1.26 kristaps 534: len = mt->lmargin;
1.22 kristaps 535: ival = -1;
1.4 kristaps 536:
1.94 ! schwarze 537: /* Calculate the offset from the optional second argument. */
1.22 kristaps 538: if (NULL != (nn = n->parent->head->child))
1.94 ! schwarze 539: if (NULL != (nn = nn->next))
1.77 kristaps 540: if ((ival = a2width(p, nn->string)) >= 0)
1.22 kristaps 541: len = (size_t)ival;
1.4 kristaps 542:
1.22 kristaps 543: switch (n->type) {
544: case (MAN_HEAD):
1.23 kristaps 545: /* Handle zero-width lengths. */
546: if (0 == len)
1.77 kristaps 547: len = term_len(p, 1);
1.23 kristaps 548:
1.26 kristaps 549: p->offset = mt->offset;
550: p->rmargin = mt->offset + len;
1.22 kristaps 551: if (ival < 0)
552: break;
1.18 kristaps 553:
1.24 kristaps 554: /* Set the saved left-margin. */
1.26 kristaps 555: mt->lmargin = (size_t)ival;
1.24 kristaps 556:
1.94 ! 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:
1.22 kristaps 566: return(0);
1.23 kristaps 567: case (MAN_BODY):
1.26 kristaps 568: p->offset = mt->offset + len;
1.23 kristaps 569: p->rmargin = p->maxrmargin;
570: break;
1.22 kristaps 571: default:
572: break;
1.18 kristaps 573: }
574:
1.22 kristaps 575: return(1);
576: }
1.18 kristaps 577:
578:
1.22 kristaps 579: /* ARGSUSED */
580: static void
581: post_IP(DECL_ARGS)
582: {
1.4 kristaps 583:
1.22 kristaps 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):
1.94 ! schwarze 591: term_newln(p);
1.22 kristaps 592: p->flags &= ~TERMP_NOLPAD;
593: break;
594: default:
595: break;
596: }
1.4 kristaps 597: }
598:
599:
600: /* ARGSUSED */
601: static int
1.1 kristaps 602: pre_TP(DECL_ARGS)
603: {
1.23 kristaps 604: const struct man_node *nn;
605: size_t len;
1.94 ! schwarze 606: int savelit, ival;
1.1 kristaps 607:
1.21 kristaps 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;
1.23 kristaps 615: break;
616: case (MAN_BLOCK):
1.39 kristaps 617: print_bvspace(p, n);
1.23 kristaps 618: /* FALLTHROUGH */
619: default:
620: return(1);
621: }
622:
1.24 kristaps 623: len = (size_t)mt->lmargin;
1.23 kristaps 624: ival = -1;
625:
626: /* Calculate offset. */
627:
1.56 kristaps 628: if (NULL != (nn = n->parent->head->child)) {
629: while (nn && MAN_TEXT != nn->type)
630: nn = nn->next;
631: if (nn && nn->next)
1.77 kristaps 632: if ((ival = a2width(p, nn->string)) >= 0)
1.23 kristaps 633: len = (size_t)ival;
1.56 kristaps 634: }
1.23 kristaps 635:
636: switch (n->type) {
637: case (MAN_HEAD):
638: /* Handle zero-length properly. */
639: if (0 == len)
1.77 kristaps 640: len = term_len(p, 1);
1.23 kristaps 641:
1.26 kristaps 642: p->offset = mt->offset;
643: p->rmargin = mt->offset + len;
1.23 kristaps 644:
1.94 ! schwarze 645: savelit = MANT_LITERAL & mt->fl;
! 646: mt->fl &= ~MANT_LITERAL;
! 647:
1.23 kristaps 648: /* Don't print same-line elements. */
1.94 ! schwarze 649: for (nn = n->child; nn; nn = nn->next)
1.23 kristaps 650: if (nn->line > n->line)
1.45 kristaps 651: print_man_node(p, mt, nn, m);
1.24 kristaps 652:
1.94 ! schwarze 653: if (savelit)
! 654: mt->fl |= MANT_LITERAL;
! 655:
1.24 kristaps 656: if (ival >= 0)
1.26 kristaps 657: mt->lmargin = (size_t)ival;
1.24 kristaps 658:
1.23 kristaps 659: return(0);
660: case (MAN_BODY):
1.26 kristaps 661: p->offset = mt->offset + len;
1.23 kristaps 662: p->rmargin = p->maxrmargin;
1.21 kristaps 663: break;
664: default:
665: break;
666: }
1.16 kristaps 667:
1.21 kristaps 668: return(1);
669: }
1.1 kristaps 670:
671:
1.21 kristaps 672: /* ARGSUSED */
673: static void
674: post_TP(DECL_ARGS)
675: {
1.1 kristaps 676:
1.21 kristaps 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):
1.94 ! schwarze 685: term_newln(p);
1.21 kristaps 686: p->flags &= ~TERMP_NOLPAD;
687: break;
688: default:
689: break;
690: }
1.1 kristaps 691: }
692:
693:
1.3 kristaps 694: /* ARGSUSED */
1.1 kristaps 695: static int
696: pre_SS(DECL_ARGS)
697: {
698:
1.19 kristaps 699: switch (n->type) {
700: case (MAN_BLOCK):
1.77 kristaps 701: mt->lmargin = term_len(p, INDENT);
702: mt->offset = term_len(p, INDENT);
1.24 kristaps 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);
1.19 kristaps 710: break;
711: case (MAN_HEAD):
1.52 kristaps 712: term_fontrepl(p, TERMFONT_BOLD);
1.77 kristaps 713: p->offset = term_len(p, HALFINDENT);
1.19 kristaps 714: break;
1.24 kristaps 715: case (MAN_BODY):
1.26 kristaps 716: p->offset = mt->offset;
1.24 kristaps 717: break;
1.19 kristaps 718: default:
719: break;
720: }
721:
1.1 kristaps 722: return(1);
723: }
724:
725:
1.3 kristaps 726: /* ARGSUSED */
1.1 kristaps 727: static void
728: post_SS(DECL_ARGS)
729: {
730:
1.19 kristaps 731: switch (n->type) {
732: case (MAN_HEAD):
733: term_newln(p);
734: break;
1.24 kristaps 735: case (MAN_BODY):
736: term_newln(p);
737: break;
1.19 kristaps 738: default:
739: break;
740: }
1.1 kristaps 741: }
742:
743:
1.3 kristaps 744: /* ARGSUSED */
1.1 kristaps 745: static int
746: pre_SH(DECL_ARGS)
747: {
1.22 kristaps 748:
1.19 kristaps 749: switch (n->type) {
750: case (MAN_BLOCK):
1.77 kristaps 751: mt->lmargin = term_len(p, INDENT);
752: mt->offset = term_len(p, INDENT);
1.22 kristaps 753: /* If following a prior empty `SH', no vspace. */
1.19 kristaps 754: if (n->prev && MAN_SH == n->prev->tok)
755: if (NULL == n->prev->body->child)
756: break;
1.61 kristaps 757: /* If the first macro, no vspae. */
758: if (NULL == n->prev)
759: break;
1.19 kristaps 760: term_vspace(p);
761: break;
762: case (MAN_HEAD):
1.52 kristaps 763: term_fontrepl(p, TERMFONT_BOLD);
1.19 kristaps 764: p->offset = 0;
765: break;
766: case (MAN_BODY):
1.26 kristaps 767: p->offset = mt->offset;
1.19 kristaps 768: break;
769: default:
770: break;
771: }
1.1 kristaps 772:
773: return(1);
774: }
775:
776:
1.3 kristaps 777: /* ARGSUSED */
1.1 kristaps 778: static void
779: post_SH(DECL_ARGS)
780: {
781:
1.19 kristaps 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:
790: break;
791: }
1.1 kristaps 792: }
793:
794:
1.26 kristaps 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)) {
1.77 kristaps 813: mt->offset = mt->lmargin + term_len(p, INDENT);
1.26 kristaps 814: p->offset = mt->offset;
815: return(1);
816: }
817:
1.77 kristaps 818: if ((ival = a2width(p, nn->string)) < 0)
1.26 kristaps 819: return(1);
820:
1.77 kristaps 821: mt->offset = term_len(p, INDENT) + (size_t)ival;
1.26 kristaps 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):
1.77 kristaps 835: mt->offset = mt->lmargin = term_len(p, INDENT);
1.59 kristaps 836: break;
837: case (MAN_HEAD):
1.26 kristaps 838: break;
839: default:
840: term_newln(p);
1.77 kristaps 841: p->offset = term_len(p, INDENT);
1.26 kristaps 842: break;
843: }
844: }
845:
846:
1.1 kristaps 847: static void
1.45 kristaps 848: print_man_node(DECL_ARGS)
1.1 kristaps 849: {
1.65 joerg 850: size_t rm, rmax;
1.54 kristaps 851: int c;
1.1 kristaps 852:
853: c = 1;
854:
855: switch (n->type) {
856: case(MAN_TEXT):
1.4 kristaps 857: if (0 == *n->string) {
858: term_vspace(p);
1.1 kristaps 859: break;
860: }
1.54 kristaps 861:
1.4 kristaps 862: term_word(p, n->string);
1.52 kristaps 863:
1.19 kristaps 864: /* FIXME: this means that macro lines are munged! */
1.52 kristaps 865:
1.24 kristaps 866: if (MANT_LITERAL & mt->fl) {
1.65 joerg 867: rm = p->rmargin;
868: rmax = p->maxrmargin;
1.60 kristaps 869: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.19 kristaps 870: p->flags |= TERMP_NOSPACE;
871: term_flushln(p);
1.94 ! schwarze 872: p->flags &= ~TERMP_NOLPAD;
1.65 joerg 873: p->rmargin = rm;
874: p->maxrmargin = rmax;
1.19 kristaps 875: }
1.1 kristaps 876: break;
1.91 kristaps 877: case (MAN_TBL):
1.93 kristaps 878: if (TBL_SPAN_FIRST & n->span->flags)
879: term_newln(p);
1.92 kristaps 880: term_tbl(p, n->span);
1.91 kristaps 881: break;
1.1 kristaps 882: default:
1.56 kristaps 883: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
884: term_fontrepl(p, TERMFONT_NONE);
1.19 kristaps 885: if (termacts[n->tok].pre)
1.24 kristaps 886: c = (*termacts[n->tok].pre)(p, mt, n, m);
1.1 kristaps 887: break;
888: }
889:
890: if (c && n->child)
1.52 kristaps 891: print_man_nodelist(p, mt, n->child, m);
1.1 kristaps 892:
1.91 kristaps 893: switch (n->type) {
894: case (MAN_TEXT):
895: /* FALLTHROUGH */
896: case (MAN_TBL):
897: break;
898: default:
1.1 kristaps 899: if (termacts[n->tok].post)
1.24 kristaps 900: (*termacts[n->tok].post)(p, mt, n, m);
1.56 kristaps 901: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
902: term_fontrepl(p, TERMFONT_NONE);
1.91 kristaps 903: break;
1.51 kristaps 904: }
1.63 kristaps 905:
906: if (MAN_EOS & n->flags)
907: p->flags |= TERMP_SENTENCE;
1.1 kristaps 908: }
909:
910:
911: static void
1.52 kristaps 912: print_man_nodelist(DECL_ARGS)
1.1 kristaps 913: {
1.19 kristaps 914:
1.45 kristaps 915: print_man_node(p, mt, n, m);
1.1 kristaps 916: if ( ! n->next)
917: return;
1.52 kristaps 918: print_man_nodelist(p, mt, n->next, m);
1.1 kristaps 919: }
920:
921:
1.31 kristaps 922: static void
1.73 kristaps 923: print_man_foot(struct termp *p, const void *arg)
1.1 kristaps 924: {
1.43 kristaps 925: char buf[DATESIZ];
1.73 kristaps 926: const struct man_meta *meta;
927:
928: meta = (const struct man_meta *)arg;
1.1 kristaps 929:
1.52 kristaps 930: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 931:
1.72 kristaps 932: if (meta->rawdate)
933: strlcpy(buf, meta->rawdate, DATESIZ);
934: else
935: time2a(meta->date, buf, DATESIZ);
1.1 kristaps 936:
1.69 joerg 937: term_vspace(p);
938: term_vspace(p);
1.1 kristaps 939: term_vspace(p);
940:
941: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.77 kristaps 942: p->rmargin = p->maxrmargin - term_strlen(p, buf);
1.1 kristaps 943: p->offset = 0;
1.85 kristaps 944:
945: /* term_strlen() can return zero. */
946: if (p->rmargin == p->maxrmargin)
947: p->rmargin--;
1.1 kristaps 948:
949: if (meta->source)
950: term_word(p, meta->source);
951: if (meta->source)
952: term_word(p, "");
953: term_flushln(p);
954:
955: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
956: p->offset = p->rmargin;
957: p->rmargin = p->maxrmargin;
958: p->flags &= ~TERMP_NOBREAK;
959:
960: term_word(p, buf);
961: term_flushln(p);
962: }
963:
964:
1.31 kristaps 965: static void
1.73 kristaps 966: print_man_head(struct termp *p, const void *arg)
1.1 kristaps 967: {
1.46 kristaps 968: char buf[BUFSIZ], title[BUFSIZ];
1.57 kristaps 969: size_t buflen, titlen;
1.73 kristaps 970: const struct man_meta *m;
971:
972: m = (const struct man_meta *)arg;
1.1 kristaps 973:
1.62 kristaps 974: /*
975: * Note that old groff would spit out some spaces before the
976: * header. We discontinue this strange behaviour, but at one
977: * point we did so here.
978: */
979:
1.1 kristaps 980: p->rmargin = p->maxrmargin;
1.58 kristaps 981:
1.1 kristaps 982: p->offset = 0;
1.46 kristaps 983: buf[0] = title[0] = '\0';
1.1 kristaps 984:
1.46 kristaps 985: if (m->vol)
986: strlcpy(buf, m->vol, BUFSIZ);
1.77 kristaps 987: buflen = term_strlen(p, buf);
1.1 kristaps 988:
1.64 kristaps 989: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.77 kristaps 990: titlen = term_strlen(p, title);
1.1 kristaps 991:
992: p->offset = 0;
1.57 kristaps 993: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
1.77 kristaps 994: (p->maxrmargin -
995: term_strlen(p, buf) + term_len(p, 1)) / 2 :
1.57 kristaps 996: p->maxrmargin - buflen;
1.1 kristaps 997: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
998:
999: term_word(p, title);
1000: term_flushln(p);
1001:
1002: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1003: p->offset = p->rmargin;
1.57 kristaps 1004: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
1005: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1006:
1007: term_word(p, buf);
1008: term_flushln(p);
1009:
1010: p->flags &= ~TERMP_NOBREAK;
1.57 kristaps 1011: if (p->rmargin + titlen <= p->maxrmargin) {
1012: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1013: p->offset = p->rmargin;
1014: p->rmargin = p->maxrmargin;
1015: term_word(p, title);
1016: term_flushln(p);
1017: }
1.1 kristaps 1018:
1019: p->rmargin = p->maxrmargin;
1020: p->offset = 0;
1021: p->flags &= ~TERMP_NOSPACE;
1.61 kristaps 1022:
1.62 kristaps 1023: /*
1024: * Groff likes to have some leading spaces before content. Well
1025: * that's fine by me.
1026: */
1027:
1.61 kristaps 1028: term_vspace(p);
1029: term_vspace(p);
1030: term_vspace(p);
1.1 kristaps 1031: }
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