Annotation of mandoc/man_term.c, Revision 1.104
1.104 ! schwarze 1: /* $Id: man_term.c,v 1.103 2011/02/09 09:52:47 kristaps Exp $ */
1.1 kristaps 2: /*
1.98 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 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 */
1.99 schwarze 129: { pre_ign, NULL, MAN_NOTEXT }, /* na */
1.56 kristaps 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);
1.101 schwarze 214:
215: if (n->body && n->body->child && MAN_TBL == n->body->child->type)
216: return;
1.18 kristaps 217:
1.39 kristaps 218: if (NULL == n->prev)
219: return;
1.18 kristaps 220:
1.39 kristaps 221: if (MAN_SS == n->prev->tok)
222: return;
223: if (MAN_SH == n->prev->tok)
224: return;
1.18 kristaps 225:
1.39 kristaps 226: term_vspace(p);
1.18 kristaps 227: }
228:
229:
1.3 kristaps 230: /* ARGSUSED */
1.1 kristaps 231: static int
1.29 kristaps 232: pre_ign(DECL_ARGS)
233: {
234:
235: return(0);
236: }
237:
238:
239: /* ARGSUSED */
240: static int
1.1 kristaps 241: pre_I(DECL_ARGS)
242: {
243:
1.52 kristaps 244: term_fontrepl(p, TERMFONT_UNDER);
1.19 kristaps 245: return(1);
246: }
247:
248:
249: /* ARGSUSED */
1.3 kristaps 250: static int
1.84 kristaps 251: pre_literal(DECL_ARGS)
1.19 kristaps 252: {
253:
1.81 kristaps 254: term_newln(p);
1.88 kristaps 255:
256: if (MAN_nf == n->tok)
1.84 kristaps 257: mt->fl |= MANT_LITERAL;
1.88 kristaps 258: else
1.84 kristaps 259: mt->fl &= ~MANT_LITERAL;
260:
1.99 schwarze 261: return(0);
1.19 kristaps 262: }
263:
264: /* ARGSUSED */
265: static int
1.88 kristaps 266: pre_alternate(DECL_ARGS)
1.3 kristaps 267: {
1.88 kristaps 268: enum termfont font[2];
269: const struct man_node *nn;
270: int savelit, i;
1.3 kristaps 271:
1.88 kristaps 272: switch (n->tok) {
273: case (MAN_RB):
274: font[0] = TERMFONT_NONE;
275: font[1] = TERMFONT_BOLD;
276: break;
277: case (MAN_RI):
278: font[0] = TERMFONT_NONE;
279: font[1] = TERMFONT_UNDER;
280: break;
281: case (MAN_BR):
282: font[0] = TERMFONT_BOLD;
283: font[1] = TERMFONT_NONE;
284: break;
285: case (MAN_BI):
286: font[0] = TERMFONT_BOLD;
287: font[1] = TERMFONT_UNDER;
288: break;
289: case (MAN_IR):
290: font[0] = TERMFONT_UNDER;
291: font[1] = TERMFONT_NONE;
292: break;
293: case (MAN_IB):
294: font[0] = TERMFONT_UNDER;
295: font[1] = TERMFONT_BOLD;
296: break;
297: default:
298: abort();
299: }
1.35 kristaps 300:
1.88 kristaps 301: savelit = MANT_LITERAL & mt->fl;
302: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 303:
1.88 kristaps 304: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
305: term_fontrepl(p, font[i]);
306: if (savelit && NULL == nn->next)
307: mt->fl |= MANT_LITERAL;
1.45 kristaps 308: print_man_node(p, mt, nn, m);
1.88 kristaps 309: if (nn->next)
1.4 kristaps 310: p->flags |= TERMP_NOSPACE;
1.3 kristaps 311: }
312:
313: return(0);
314: }
315:
316: /* ARGSUSED */
1.1 kristaps 317: static int
318: pre_B(DECL_ARGS)
319: {
320:
1.52 kristaps 321: term_fontrepl(p, TERMFONT_BOLD);
1.1 kristaps 322: return(1);
1.89 kristaps 323: }
324:
325: /* ARGSUSED */
326: static int
327: pre_ft(DECL_ARGS)
328: {
329: const char *cp;
330:
331: if (NULL == n->child) {
332: term_fontlast(p);
333: return(0);
334: }
335:
336: cp = n->child->string;
337: switch (*cp) {
338: case ('4'):
339: /* FALLTHROUGH */
340: case ('3'):
341: /* FALLTHROUGH */
342: case ('B'):
343: term_fontrepl(p, TERMFONT_BOLD);
344: break;
345: case ('2'):
346: /* FALLTHROUGH */
347: case ('I'):
348: term_fontrepl(p, TERMFONT_UNDER);
349: break;
350: case ('P'):
351: term_fontlast(p);
352: break;
353: case ('1'):
354: /* FALLTHROUGH */
355: case ('C'):
356: /* FALLTHROUGH */
357: case ('R'):
358: term_fontrepl(p, TERMFONT_NONE);
359: break;
360: default:
361: break;
362: }
363: return(0);
1.83 kristaps 364: }
365:
366: /* ARGSUSED */
367: static int
368: pre_in(DECL_ARGS)
369: {
370: int len, less;
371: size_t v;
372: const char *cp;
373:
374: term_newln(p);
375:
376: if (NULL == n->child) {
377: p->offset = mt->offset;
378: return(0);
379: }
380:
381: cp = n->child->string;
382: less = 0;
383:
384: if ('-' == *cp)
385: less = -1;
386: else if ('+' == *cp)
387: less = 1;
388: else
389: cp--;
390:
391: if ((len = a2width(p, ++cp)) < 0)
392: return(0);
393:
394: v = (size_t)len;
395:
396: if (less < 0)
397: p->offset -= p->offset > v ? v : p->offset;
398: else if (less > 0)
399: p->offset += v;
400: else
401: p->offset = v;
1.95 kristaps 402:
403: /* Don't let this creep beyond the right margin. */
404:
405: if (p->offset > p->rmargin)
406: p->offset = p->rmargin;
1.83 kristaps 407:
408: return(0);
1.1 kristaps 409: }
410:
411:
1.3 kristaps 412: /* ARGSUSED */
1.1 kristaps 413: static int
1.19 kristaps 414: pre_sp(DECL_ARGS)
415: {
1.77 kristaps 416: size_t i, len;
1.19 kristaps 417:
1.82 kristaps 418: switch (n->tok) {
419: case (MAN_br):
420: len = 0;
421: break;
422: default:
423: len = n->child ? a2height(p, n->child->string) : 1;
424: break;
425: }
1.38 kristaps 426:
1.19 kristaps 427: if (0 == len)
428: term_newln(p);
1.82 kristaps 429: for (i = 0; i < len; i++)
1.19 kristaps 430: term_vspace(p);
431:
1.15 kristaps 432: return(0);
433: }
434:
435:
436: /* ARGSUSED */
437: static int
1.19 kristaps 438: pre_HP(DECL_ARGS)
439: {
1.24 kristaps 440: size_t len;
441: int ival;
442: const struct man_node *nn;
1.19 kristaps 443:
1.20 kristaps 444: switch (n->type) {
445: case (MAN_BLOCK):
1.39 kristaps 446: print_bvspace(p, n);
1.24 kristaps 447: return(1);
1.20 kristaps 448: case (MAN_BODY):
449: p->flags |= TERMP_NOBREAK;
450: p->flags |= TERMP_TWOSPACE;
451: break;
452: default:
453: return(0);
454: }
455:
1.26 kristaps 456: len = mt->lmargin;
1.24 kristaps 457: ival = -1;
458:
459: /* Calculate offset. */
460:
1.39 kristaps 461: if (NULL != (nn = n->parent->head->child))
1.77 kristaps 462: if ((ival = a2width(p, nn->string)) >= 0)
1.24 kristaps 463: len = (size_t)ival;
464:
465: if (0 == len)
1.77 kristaps 466: len = term_len(p, 1);
1.24 kristaps 467:
1.26 kristaps 468: p->offset = mt->offset;
469: p->rmargin = mt->offset + len;
1.24 kristaps 470:
471: if (ival >= 0)
1.26 kristaps 472: mt->lmargin = (size_t)ival;
1.24 kristaps 473:
1.19 kristaps 474: return(1);
475: }
476:
477:
478: /* ARGSUSED */
1.20 kristaps 479: static void
480: post_HP(DECL_ARGS)
481: {
482:
483: switch (n->type) {
1.24 kristaps 484: case (MAN_BLOCK):
485: term_flushln(p);
486: break;
1.20 kristaps 487: case (MAN_BODY):
488: term_flushln(p);
489: p->flags &= ~TERMP_NOBREAK;
490: p->flags &= ~TERMP_TWOSPACE;
1.26 kristaps 491: p->offset = mt->offset;
1.20 kristaps 492: p->rmargin = p->maxrmargin;
493: break;
494: default:
495: break;
496: }
497: }
498:
499:
500: /* ARGSUSED */
1.19 kristaps 501: static int
1.1 kristaps 502: pre_PP(DECL_ARGS)
503: {
504:
1.19 kristaps 505: switch (n->type) {
506: case (MAN_BLOCK):
1.77 kristaps 507: mt->lmargin = term_len(p, INDENT);
1.39 kristaps 508: print_bvspace(p, n);
1.19 kristaps 509: break;
510: default:
1.26 kristaps 511: p->offset = mt->offset;
1.19 kristaps 512: break;
513: }
514:
1.87 kristaps 515: return(MAN_HEAD != n->type);
1.1 kristaps 516: }
517:
518:
1.3 kristaps 519: /* ARGSUSED */
1.1 kristaps 520: static int
1.4 kristaps 521: pre_IP(DECL_ARGS)
522: {
1.22 kristaps 523: const struct man_node *nn;
524: size_t len;
1.94 schwarze 525: int savelit, ival;
1.18 kristaps 526:
1.22 kristaps 527: switch (n->type) {
528: case (MAN_BODY):
529: p->flags |= TERMP_NOLPAD;
530: p->flags |= TERMP_NOSPACE;
531: break;
532: case (MAN_HEAD):
533: p->flags |= TERMP_NOBREAK;
534: break;
1.23 kristaps 535: case (MAN_BLOCK):
1.39 kristaps 536: print_bvspace(p, n);
1.23 kristaps 537: /* FALLTHROUGH */
1.22 kristaps 538: default:
539: return(1);
540: }
1.18 kristaps 541:
1.26 kristaps 542: len = mt->lmargin;
1.22 kristaps 543: ival = -1;
1.4 kristaps 544:
1.94 schwarze 545: /* Calculate the offset from the optional second argument. */
1.22 kristaps 546: if (NULL != (nn = n->parent->head->child))
1.94 schwarze 547: if (NULL != (nn = nn->next))
1.77 kristaps 548: if ((ival = a2width(p, nn->string)) >= 0)
1.22 kristaps 549: len = (size_t)ival;
1.4 kristaps 550:
1.22 kristaps 551: switch (n->type) {
552: case (MAN_HEAD):
1.23 kristaps 553: /* Handle zero-width lengths. */
554: if (0 == len)
1.77 kristaps 555: len = term_len(p, 1);
1.23 kristaps 556:
1.26 kristaps 557: p->offset = mt->offset;
558: p->rmargin = mt->offset + len;
1.22 kristaps 559: if (ival < 0)
560: break;
1.18 kristaps 561:
1.24 kristaps 562: /* Set the saved left-margin. */
1.26 kristaps 563: mt->lmargin = (size_t)ival;
1.24 kristaps 564:
1.94 schwarze 565: savelit = MANT_LITERAL & mt->fl;
566: mt->fl &= ~MANT_LITERAL;
567:
568: if (n->child)
569: print_man_node(p, mt, n->child, m);
570:
571: if (savelit)
572: mt->fl |= MANT_LITERAL;
573:
1.22 kristaps 574: return(0);
1.23 kristaps 575: case (MAN_BODY):
1.26 kristaps 576: p->offset = mt->offset + len;
1.23 kristaps 577: p->rmargin = p->maxrmargin;
578: break;
1.22 kristaps 579: default:
580: break;
1.18 kristaps 581: }
582:
1.22 kristaps 583: return(1);
584: }
1.18 kristaps 585:
586:
1.22 kristaps 587: /* ARGSUSED */
588: static void
589: post_IP(DECL_ARGS)
590: {
1.4 kristaps 591:
1.22 kristaps 592: switch (n->type) {
593: case (MAN_HEAD):
594: term_flushln(p);
595: p->flags &= ~TERMP_NOBREAK;
596: p->rmargin = p->maxrmargin;
597: break;
598: case (MAN_BODY):
1.94 schwarze 599: term_newln(p);
1.22 kristaps 600: p->flags &= ~TERMP_NOLPAD;
601: break;
602: default:
603: break;
604: }
1.4 kristaps 605: }
606:
607:
608: /* ARGSUSED */
609: static int
1.1 kristaps 610: pre_TP(DECL_ARGS)
611: {
1.23 kristaps 612: const struct man_node *nn;
613: size_t len;
1.94 schwarze 614: int savelit, ival;
1.1 kristaps 615:
1.21 kristaps 616: switch (n->type) {
617: case (MAN_HEAD):
618: p->flags |= TERMP_NOBREAK;
619: break;
620: case (MAN_BODY):
621: p->flags |= TERMP_NOLPAD;
622: p->flags |= TERMP_NOSPACE;
1.23 kristaps 623: break;
624: case (MAN_BLOCK):
1.39 kristaps 625: print_bvspace(p, n);
1.23 kristaps 626: /* FALLTHROUGH */
627: default:
628: return(1);
629: }
630:
1.24 kristaps 631: len = (size_t)mt->lmargin;
1.23 kristaps 632: ival = -1;
633:
634: /* Calculate offset. */
635:
1.56 kristaps 636: if (NULL != (nn = n->parent->head->child)) {
637: while (nn && MAN_TEXT != nn->type)
638: nn = nn->next;
639: if (nn && nn->next)
1.77 kristaps 640: if ((ival = a2width(p, nn->string)) >= 0)
1.23 kristaps 641: len = (size_t)ival;
1.56 kristaps 642: }
1.23 kristaps 643:
644: switch (n->type) {
645: case (MAN_HEAD):
646: /* Handle zero-length properly. */
647: if (0 == len)
1.77 kristaps 648: len = term_len(p, 1);
1.23 kristaps 649:
1.26 kristaps 650: p->offset = mt->offset;
651: p->rmargin = mt->offset + len;
1.23 kristaps 652:
1.94 schwarze 653: savelit = MANT_LITERAL & mt->fl;
654: mt->fl &= ~MANT_LITERAL;
655:
1.23 kristaps 656: /* Don't print same-line elements. */
1.94 schwarze 657: for (nn = n->child; nn; nn = nn->next)
1.23 kristaps 658: if (nn->line > n->line)
1.45 kristaps 659: print_man_node(p, mt, nn, m);
1.24 kristaps 660:
1.94 schwarze 661: if (savelit)
662: mt->fl |= MANT_LITERAL;
663:
1.24 kristaps 664: if (ival >= 0)
1.26 kristaps 665: mt->lmargin = (size_t)ival;
1.24 kristaps 666:
1.23 kristaps 667: return(0);
668: case (MAN_BODY):
1.26 kristaps 669: p->offset = mt->offset + len;
1.23 kristaps 670: p->rmargin = p->maxrmargin;
1.21 kristaps 671: break;
672: default:
673: break;
674: }
1.16 kristaps 675:
1.21 kristaps 676: return(1);
677: }
1.1 kristaps 678:
679:
1.21 kristaps 680: /* ARGSUSED */
681: static void
682: post_TP(DECL_ARGS)
683: {
1.1 kristaps 684:
1.21 kristaps 685: switch (n->type) {
686: case (MAN_HEAD):
687: term_flushln(p);
688: p->flags &= ~TERMP_NOBREAK;
689: p->flags &= ~TERMP_TWOSPACE;
690: p->rmargin = p->maxrmargin;
691: break;
692: case (MAN_BODY):
1.94 schwarze 693: term_newln(p);
1.21 kristaps 694: p->flags &= ~TERMP_NOLPAD;
695: break;
696: default:
697: break;
698: }
1.1 kristaps 699: }
700:
701:
1.3 kristaps 702: /* ARGSUSED */
1.1 kristaps 703: static int
704: pre_SS(DECL_ARGS)
705: {
706:
1.19 kristaps 707: switch (n->type) {
708: case (MAN_BLOCK):
1.77 kristaps 709: mt->lmargin = term_len(p, INDENT);
710: mt->offset = term_len(p, INDENT);
1.24 kristaps 711: /* If following a prior empty `SS', no vspace. */
712: if (n->prev && MAN_SS == n->prev->tok)
713: if (NULL == n->prev->body->child)
714: break;
715: if (NULL == n->prev)
716: break;
717: term_vspace(p);
1.19 kristaps 718: break;
719: case (MAN_HEAD):
1.52 kristaps 720: term_fontrepl(p, TERMFONT_BOLD);
1.77 kristaps 721: p->offset = term_len(p, HALFINDENT);
1.19 kristaps 722: break;
1.24 kristaps 723: case (MAN_BODY):
1.26 kristaps 724: p->offset = mt->offset;
1.24 kristaps 725: break;
1.19 kristaps 726: default:
727: break;
728: }
729:
1.1 kristaps 730: return(1);
731: }
732:
733:
1.3 kristaps 734: /* ARGSUSED */
1.1 kristaps 735: static void
736: post_SS(DECL_ARGS)
737: {
738:
1.19 kristaps 739: switch (n->type) {
740: case (MAN_HEAD):
741: term_newln(p);
742: break;
1.24 kristaps 743: case (MAN_BODY):
744: term_newln(p);
745: break;
1.19 kristaps 746: default:
747: break;
748: }
1.1 kristaps 749: }
750:
751:
1.3 kristaps 752: /* ARGSUSED */
1.1 kristaps 753: static int
754: pre_SH(DECL_ARGS)
755: {
1.22 kristaps 756:
1.19 kristaps 757: switch (n->type) {
758: case (MAN_BLOCK):
1.77 kristaps 759: mt->lmargin = term_len(p, INDENT);
760: mt->offset = term_len(p, INDENT);
1.22 kristaps 761: /* If following a prior empty `SH', no vspace. */
1.19 kristaps 762: if (n->prev && MAN_SH == n->prev->tok)
763: if (NULL == n->prev->body->child)
764: break;
1.61 kristaps 765: /* If the first macro, no vspae. */
766: if (NULL == n->prev)
767: break;
1.19 kristaps 768: term_vspace(p);
769: break;
770: case (MAN_HEAD):
1.52 kristaps 771: term_fontrepl(p, TERMFONT_BOLD);
1.19 kristaps 772: p->offset = 0;
773: break;
774: case (MAN_BODY):
1.26 kristaps 775: p->offset = mt->offset;
1.19 kristaps 776: break;
777: default:
778: break;
779: }
1.1 kristaps 780:
781: return(1);
782: }
783:
784:
1.3 kristaps 785: /* ARGSUSED */
1.1 kristaps 786: static void
787: post_SH(DECL_ARGS)
788: {
789:
1.19 kristaps 790: switch (n->type) {
791: case (MAN_HEAD):
792: term_newln(p);
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)) {
1.77 kristaps 821: mt->offset = mt->lmargin + term_len(p, INDENT);
1.26 kristaps 822: p->offset = mt->offset;
823: return(1);
824: }
825:
1.77 kristaps 826: if ((ival = a2width(p, nn->string)) < 0)
1.26 kristaps 827: return(1);
828:
1.77 kristaps 829: mt->offset = term_len(p, INDENT) + (size_t)ival;
1.26 kristaps 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):
1.77 kristaps 843: mt->offset = mt->lmargin = term_len(p, INDENT);
1.59 kristaps 844: break;
845: case (MAN_HEAD):
1.26 kristaps 846: break;
847: default:
848: term_newln(p);
1.77 kristaps 849: p->offset = term_len(p, INDENT);
1.26 kristaps 850: break;
851: }
852: }
853:
854:
1.1 kristaps 855: static void
1.45 kristaps 856: print_man_node(DECL_ARGS)
1.1 kristaps 857: {
1.65 joerg 858: size_t rm, rmax;
1.54 kristaps 859: int c;
1.1 kristaps 860:
861: switch (n->type) {
862: case(MAN_TEXT):
1.97 kristaps 863: /*
864: * If we have a blank line, output a vertical space.
865: * If we have a space as the first character, break
866: * before printing the line's data.
867: */
1.96 kristaps 868: if ('\0' == *n->string) {
1.4 kristaps 869: term_vspace(p);
1.98 schwarze 870: return;
1.97 kristaps 871: } else if (' ' == *n->string && MAN_LINE & n->flags)
1.96 kristaps 872: term_newln(p);
1.54 kristaps 873:
1.4 kristaps 874: term_word(p, n->string);
1.52 kristaps 875:
1.97 kristaps 876: /*
877: * If we're in a literal context, make sure that words
878: * togehter on the same line stay together. This is a
879: * POST-printing call, so we check the NEXT word. Since
880: * -man doesn't have nested macros, we don't need to be
881: * more specific than this.
882: */
883: if (MANT_LITERAL & mt->fl &&
884: (NULL == n->next ||
885: n->next->line > n->line)) {
1.65 joerg 886: rm = p->rmargin;
887: rmax = p->maxrmargin;
1.60 kristaps 888: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1.19 kristaps 889: p->flags |= TERMP_NOSPACE;
890: term_flushln(p);
1.94 schwarze 891: p->flags &= ~TERMP_NOLPAD;
1.65 joerg 892: p->rmargin = rm;
893: p->maxrmargin = rmax;
1.19 kristaps 894: }
1.100 schwarze 895:
896: if (MAN_EOS & n->flags)
897: p->flags |= TERMP_SENTENCE;
1.102 kristaps 898: return;
899: case (MAN_EQN):
1.103 kristaps 900: term_word(p, n->eqn->data);
1.97 kristaps 901: return;
1.91 kristaps 902: case (MAN_TBL):
1.97 kristaps 903: /*
904: * Tables are preceded by a newline. Then process a
905: * table line, which will cause line termination,
906: */
1.93 kristaps 907: if (TBL_SPAN_FIRST & n->span->flags)
908: term_newln(p);
1.92 kristaps 909: term_tbl(p, n->span);
1.97 kristaps 910: return;
1.1 kristaps 911: default:
912: break;
913: }
914:
1.97 kristaps 915: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
916: term_fontrepl(p, TERMFONT_NONE);
917:
918: c = 1;
919: if (termacts[n->tok].pre)
920: c = (*termacts[n->tok].pre)(p, mt, n, m);
921:
1.1 kristaps 922: if (c && n->child)
1.52 kristaps 923: print_man_nodelist(p, mt, n->child, m);
1.1 kristaps 924:
1.97 kristaps 925: if (termacts[n->tok].post)
926: (*termacts[n->tok].post)(p, mt, n, m);
927: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
928: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 929:
930: if (MAN_EOS & n->flags)
931: p->flags |= TERMP_SENTENCE;
1.1 kristaps 932: }
933:
934:
935: static void
1.52 kristaps 936: print_man_nodelist(DECL_ARGS)
1.1 kristaps 937: {
1.19 kristaps 938:
1.45 kristaps 939: print_man_node(p, mt, n, m);
1.1 kristaps 940: if ( ! n->next)
941: return;
1.52 kristaps 942: print_man_nodelist(p, mt, n->next, m);
1.1 kristaps 943: }
944:
945:
1.31 kristaps 946: static void
1.73 kristaps 947: print_man_foot(struct termp *p, const void *arg)
1.1 kristaps 948: {
1.73 kristaps 949: const struct man_meta *meta;
950:
951: meta = (const struct man_meta *)arg;
1.1 kristaps 952:
1.52 kristaps 953: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 954:
1.69 joerg 955: term_vspace(p);
956: term_vspace(p);
1.1 kristaps 957: term_vspace(p);
958:
959: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.104 ! schwarze 960: p->rmargin = p->maxrmargin - term_strlen(p, meta->date);
1.1 kristaps 961: p->offset = 0;
1.85 kristaps 962:
963: /* term_strlen() can return zero. */
964: if (p->rmargin == p->maxrmargin)
965: p->rmargin--;
1.1 kristaps 966:
967: if (meta->source)
968: term_word(p, meta->source);
969: if (meta->source)
970: term_word(p, "");
971: term_flushln(p);
972:
973: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
974: p->offset = p->rmargin;
975: p->rmargin = p->maxrmargin;
976: p->flags &= ~TERMP_NOBREAK;
977:
1.104 ! schwarze 978: term_word(p, meta->date);
1.1 kristaps 979: term_flushln(p);
980: }
981:
982:
1.31 kristaps 983: static void
1.73 kristaps 984: print_man_head(struct termp *p, const void *arg)
1.1 kristaps 985: {
1.46 kristaps 986: char buf[BUFSIZ], title[BUFSIZ];
1.57 kristaps 987: size_t buflen, titlen;
1.73 kristaps 988: const struct man_meta *m;
989:
990: m = (const struct man_meta *)arg;
1.1 kristaps 991:
1.62 kristaps 992: /*
993: * Note that old groff would spit out some spaces before the
994: * header. We discontinue this strange behaviour, but at one
995: * point we did so here.
996: */
997:
1.1 kristaps 998: p->rmargin = p->maxrmargin;
1.58 kristaps 999:
1.1 kristaps 1000: p->offset = 0;
1.46 kristaps 1001: buf[0] = title[0] = '\0';
1.1 kristaps 1002:
1.46 kristaps 1003: if (m->vol)
1004: strlcpy(buf, m->vol, BUFSIZ);
1.77 kristaps 1005: buflen = term_strlen(p, buf);
1.1 kristaps 1006:
1.64 kristaps 1007: snprintf(title, BUFSIZ, "%s(%s)", m->title, m->msec);
1.77 kristaps 1008: titlen = term_strlen(p, title);
1.1 kristaps 1009:
1010: p->offset = 0;
1.57 kristaps 1011: p->rmargin = 2 * (titlen+1) + buflen < p->maxrmargin ?
1.77 kristaps 1012: (p->maxrmargin -
1013: term_strlen(p, buf) + term_len(p, 1)) / 2 :
1.57 kristaps 1014: p->maxrmargin - buflen;
1.1 kristaps 1015: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1016:
1017: term_word(p, title);
1018: term_flushln(p);
1019:
1020: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1021: p->offset = p->rmargin;
1.57 kristaps 1022: p->rmargin = p->offset + buflen + titlen < p->maxrmargin ?
1023: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1024:
1025: term_word(p, buf);
1026: term_flushln(p);
1027:
1028: p->flags &= ~TERMP_NOBREAK;
1.57 kristaps 1029: if (p->rmargin + titlen <= p->maxrmargin) {
1030: p->flags |= TERMP_NOLPAD | TERMP_NOSPACE;
1031: p->offset = p->rmargin;
1032: p->rmargin = p->maxrmargin;
1033: term_word(p, title);
1034: term_flushln(p);
1035: }
1.1 kristaps 1036:
1037: p->rmargin = p->maxrmargin;
1038: p->offset = 0;
1039: p->flags &= ~TERMP_NOSPACE;
1.61 kristaps 1040:
1.62 kristaps 1041: /*
1042: * Groff likes to have some leading spaces before content. Well
1043: * that's fine by me.
1044: */
1045:
1.61 kristaps 1046: term_vspace(p);
1047: term_vspace(p);
1048: term_vspace(p);
1.1 kristaps 1049: }
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