Annotation of mandoc/man_term.c, Revision 1.184
1.184 ! schwarze 1: /* $Id: man_term.c,v 1.183 2015/04/19 19:44:21 schwarze Exp $ */
1.1 kristaps 2: /*
1.128 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.168 schwarze 4: * Copyright (c) 2010-2015 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: *
1.171 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.171 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 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: #include "config.h"
19:
1.28 kristaps 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.18 kristaps 23: #include <ctype.h>
1.164 schwarze 24: #include <limits.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.171 schwarze 29: #include "mandoc_aux.h"
1.71 kristaps 30: #include "mandoc.h"
1.171 schwarze 31: #include "roff.h"
32: #include "man.h"
1.40 kristaps 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
1.36 kristaps 35: #include "main.h"
1.1 kristaps 36:
1.116 schwarze 37: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.18 kristaps 38:
1.24 kristaps 39: struct mtermp {
40: int fl;
1.19 kristaps 41: #define MANT_LITERAL (1 << 0)
1.163 schwarze 42: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.116 schwarze 43: int lmargincur; /* index of current margin */
44: int lmarginsz; /* actual number of nested margins */
45: size_t offset; /* default offset to visible page */
1.134 schwarze 46: int pardist; /* vert. space before par., unit: [v] */
1.24 kristaps 47: };
1.19 kristaps 48:
1.146 schwarze 49: #define DECL_ARGS struct termp *p, \
1.24 kristaps 50: struct mtermp *mt, \
1.172 schwarze 51: struct roff_node *n, \
1.173 schwarze 52: const struct roff_meta *meta
1.1 kristaps 53:
54: struct termact {
55: int (*pre)(DECL_ARGS);
56: void (*post)(DECL_ARGS);
1.56 kristaps 57: int flags;
58: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 59: };
60:
1.52 kristaps 61: static void print_man_nodelist(DECL_ARGS);
1.45 kristaps 62: static void print_man_node(DECL_ARGS);
1.173 schwarze 63: static void print_man_head(struct termp *,
64: const struct roff_meta *);
65: static void print_man_foot(struct termp *,
66: const struct roff_meta *);
1.146 schwarze 67: static void print_bvspace(struct termp *,
1.172 schwarze 68: const struct roff_node *, int);
1.39 kristaps 69:
1.1 kristaps 70: static int pre_B(DECL_ARGS);
1.19 kristaps 71: static int pre_HP(DECL_ARGS);
1.1 kristaps 72: static int pre_I(DECL_ARGS);
1.4 kristaps 73: static int pre_IP(DECL_ARGS);
1.127 kristaps 74: static int pre_OP(DECL_ARGS);
1.134 schwarze 75: static int pre_PD(DECL_ARGS);
1.1 kristaps 76: static int pre_PP(DECL_ARGS);
1.26 kristaps 77: static int pre_RS(DECL_ARGS);
1.1 kristaps 78: static int pre_SH(DECL_ARGS);
79: static int pre_SS(DECL_ARGS);
80: static int pre_TP(DECL_ARGS);
1.137 schwarze 81: static int pre_UR(DECL_ARGS);
1.127 kristaps 82: static int pre_alternate(DECL_ARGS);
83: static int pre_ft(DECL_ARGS);
1.29 kristaps 84: static int pre_ign(DECL_ARGS);
1.83 kristaps 85: static int pre_in(DECL_ARGS);
1.84 kristaps 86: static int pre_literal(DECL_ARGS);
1.143 schwarze 87: static int pre_ll(DECL_ARGS);
1.19 kristaps 88: static int pre_sp(DECL_ARGS);
1.1 kristaps 89:
1.22 kristaps 90: static void post_IP(DECL_ARGS);
1.20 kristaps 91: static void post_HP(DECL_ARGS);
1.26 kristaps 92: static void post_RS(DECL_ARGS);
1.1 kristaps 93: static void post_SH(DECL_ARGS);
94: static void post_SS(DECL_ARGS);
1.21 kristaps 95: static void post_TP(DECL_ARGS);
1.137 schwarze 96: static void post_UR(DECL_ARGS);
1.1 kristaps 97:
1.32 kristaps 98: static const struct termact termacts[MAN_MAX] = {
1.82 kristaps 99: { pre_sp, NULL, MAN_NOTEXT }, /* br */
1.56 kristaps 100: { NULL, NULL, 0 }, /* TH */
101: { pre_SH, post_SH, 0 }, /* SH */
102: { pre_SS, post_SS, 0 }, /* SS */
103: { pre_TP, post_TP, 0 }, /* TP */
104: { pre_PP, NULL, 0 }, /* LP */
105: { pre_PP, NULL, 0 }, /* PP */
106: { pre_PP, NULL, 0 }, /* P */
107: { pre_IP, post_IP, 0 }, /* IP */
1.146 schwarze 108: { pre_HP, post_HP, 0 }, /* HP */
1.56 kristaps 109: { NULL, NULL, 0 }, /* SM */
110: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 111: { pre_alternate, NULL, 0 }, /* BI */
112: { pre_alternate, NULL, 0 }, /* IB */
113: { pre_alternate, NULL, 0 }, /* BR */
114: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 115: { NULL, NULL, 0 }, /* R */
116: { pre_B, NULL, 0 }, /* B */
117: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 118: { pre_alternate, NULL, 0 }, /* IR */
119: { pre_alternate, NULL, 0 }, /* RI */
1.56 kristaps 120: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.84 kristaps 121: { pre_literal, NULL, 0 }, /* nf */
122: { pre_literal, NULL, 0 }, /* fi */
1.56 kristaps 123: { NULL, NULL, 0 }, /* RE */
124: { pre_RS, post_RS, 0 }, /* RS */
125: { pre_ign, NULL, 0 }, /* DT */
1.158 schwarze 126: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 127: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.70 joerg 128: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 129: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.89 kristaps 130: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.127 kristaps 131: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 132: { pre_literal, NULL, 0 }, /* EX */
133: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 134: { pre_UR, post_UR, 0 }, /* UR */
135: { NULL, NULL, 0 }, /* UE */
1.143 schwarze 136: { pre_ll, NULL, MAN_NOTEXT }, /* ll */
1.1 kristaps 137: };
138:
139:
1.31 kristaps 140: void
1.180 schwarze 141: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 142: {
1.36 kristaps 143: struct termp *p;
1.172 schwarze 144: struct roff_node *n;
1.36 kristaps 145: struct mtermp mt;
146:
147: p = (struct termp *)arg;
1.58 kristaps 148: p->overstep = 0;
1.151 schwarze 149: p->rmargin = p->maxrmargin = p->defrmargin;
1.77 kristaps 150: p->tabwidth = term_len(p, 5);
1.36 kristaps 151:
1.116 schwarze 152: memset(&mt, 0, sizeof(struct mtermp));
1.122 schwarze 153: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
154: mt.offset = term_len(p, p->defindent);
1.134 schwarze 155: mt.pardist = 1;
1.24 kristaps 156:
1.181 schwarze 157: n = man->first->child;
1.151 schwarze 158: if (p->synopsisonly) {
159: while (n != NULL) {
160: if (n->tok == MAN_SH &&
1.171 schwarze 161: n->child->child->type == ROFFT_TEXT &&
1.151 schwarze 162: !strcmp(n->child->child->string, "SYNOPSIS")) {
163: if (n->child->next->child != NULL)
164: print_man_nodelist(p, &mt,
1.181 schwarze 165: n->child->next->child,
166: &man->meta);
1.151 schwarze 167: term_newln(p);
168: break;
169: }
170: n = n->next;
171: }
172: } else {
173: if (p->defindent == 0)
174: p->defindent = 7;
1.181 schwarze 175: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.151 schwarze 176: p->flags |= TERMP_NOSPACE;
177: if (n != NULL)
1.181 schwarze 178: print_man_nodelist(p, &mt, n, &man->meta);
1.151 schwarze 179: term_end(p);
180: }
1.1 kristaps 181: }
182:
1.111 kristaps 183: /*
184: * Printing leading vertical space before a block.
185: * This is used for the paragraph macros.
186: * The rules are pretty simple, since there's very little nesting going
187: * on here. Basically, if we're the first within another block (SS/SH),
188: * then don't emit vertical space. If we are (RS), then do. If not the
189: * first, print it.
190: */
1.39 kristaps 191: static void
1.172 schwarze 192: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 kristaps 193: {
1.134 schwarze 194: int i;
1.111 kristaps 195:
1.39 kristaps 196: term_newln(p);
1.101 schwarze 197:
1.111 kristaps 198: if (n->body && n->body->child)
1.171 schwarze 199: if (n->body->child->type == ROFFT_TBL)
1.111 kristaps 200: return;
201:
1.171 schwarze 202: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.111 kristaps 203: if (NULL == n->prev)
204: return;
1.18 kristaps 205:
1.134 schwarze 206: for (i = 0; i < pardist; i++)
207: term_vspace(p);
1.18 kristaps 208: }
209:
1.146 schwarze 210:
1.1 kristaps 211: static int
1.29 kristaps 212: pre_ign(DECL_ARGS)
213: {
214:
1.143 schwarze 215: return(0);
216: }
217:
218: static int
219: pre_ll(DECL_ARGS)
220: {
221:
1.144 schwarze 222: term_setwidth(p, n->nchild ? n->child->string : NULL);
1.29 kristaps 223: return(0);
224: }
225:
226: static int
1.1 kristaps 227: pre_I(DECL_ARGS)
228: {
229:
1.52 kristaps 230: term_fontrepl(p, TERMFONT_UNDER);
1.19 kristaps 231: return(1);
232: }
233:
1.3 kristaps 234: static int
1.84 kristaps 235: pre_literal(DECL_ARGS)
1.19 kristaps 236: {
237:
1.81 kristaps 238: term_newln(p);
1.88 kristaps 239:
1.129 schwarze 240: if (MAN_nf == n->tok || MAN_EX == n->tok)
1.84 kristaps 241: mt->fl |= MANT_LITERAL;
1.88 kristaps 242: else
1.84 kristaps 243: mt->fl &= ~MANT_LITERAL;
244:
1.117 schwarze 245: /*
246: * Unlike .IP and .TP, .HP does not have a HEAD.
247: * So in case a second call to term_flushln() is needed,
248: * indentation has to be set up explicitly.
249: */
250: if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
1.121 schwarze 251: p->offset = p->rmargin;
1.117 schwarze 252: p->rmargin = p->maxrmargin;
1.139 schwarze 253: p->trailspace = 0;
1.145 schwarze 254: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 255: p->flags |= TERMP_NOSPACE;
256: }
257:
1.99 schwarze 258: return(0);
1.19 kristaps 259: }
260:
261: static int
1.134 schwarze 262: pre_PD(DECL_ARGS)
263: {
1.160 schwarze 264: struct roffsu su;
1.134 schwarze 265:
266: n = n->child;
1.160 schwarze 267: if (n == NULL) {
1.134 schwarze 268: mt->pardist = 1;
269: return(0);
270: }
1.171 schwarze 271: assert(n->type == ROFFT_TEXT);
1.160 schwarze 272: if (a2roffsu(n->string, &su, SCALE_VS))
273: mt->pardist = term_vspan(p, &su);
1.134 schwarze 274: return(0);
275: }
276:
277: static int
1.88 kristaps 278: pre_alternate(DECL_ARGS)
1.3 kristaps 279: {
1.88 kristaps 280: enum termfont font[2];
1.172 schwarze 281: struct roff_node *nn;
1.88 kristaps 282: int savelit, i;
1.3 kristaps 283:
1.88 kristaps 284: switch (n->tok) {
1.146 schwarze 285: case MAN_RB:
1.88 kristaps 286: font[0] = TERMFONT_NONE;
287: font[1] = TERMFONT_BOLD;
288: break;
1.146 schwarze 289: case MAN_RI:
1.88 kristaps 290: font[0] = TERMFONT_NONE;
291: font[1] = TERMFONT_UNDER;
292: break;
1.146 schwarze 293: case MAN_BR:
1.88 kristaps 294: font[0] = TERMFONT_BOLD;
295: font[1] = TERMFONT_NONE;
296: break;
1.146 schwarze 297: case MAN_BI:
1.88 kristaps 298: font[0] = TERMFONT_BOLD;
299: font[1] = TERMFONT_UNDER;
300: break;
1.146 schwarze 301: case MAN_IR:
1.88 kristaps 302: font[0] = TERMFONT_UNDER;
303: font[1] = TERMFONT_NONE;
304: break;
1.146 schwarze 305: case MAN_IB:
1.88 kristaps 306: font[0] = TERMFONT_UNDER;
307: font[1] = TERMFONT_BOLD;
308: break;
309: default:
310: abort();
311: }
1.35 kristaps 312:
1.88 kristaps 313: savelit = MANT_LITERAL & mt->fl;
314: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 315:
1.88 kristaps 316: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
317: term_fontrepl(p, font[i]);
318: if (savelit && NULL == nn->next)
319: mt->fl |= MANT_LITERAL;
1.179 schwarze 320: assert(nn->type == ROFFT_TEXT);
321: term_word(p, nn->string);
322: if (nn->flags & MAN_EOS)
323: p->flags |= TERMP_SENTENCE;
1.88 kristaps 324: if (nn->next)
1.4 kristaps 325: p->flags |= TERMP_NOSPACE;
1.3 kristaps 326: }
327:
328: return(0);
329: }
330:
1.1 kristaps 331: static int
332: pre_B(DECL_ARGS)
333: {
334:
1.52 kristaps 335: term_fontrepl(p, TERMFONT_BOLD);
1.1 kristaps 336: return(1);
1.127 kristaps 337: }
338:
339: static int
340: pre_OP(DECL_ARGS)
341: {
342:
343: term_word(p, "[");
344: p->flags |= TERMP_NOSPACE;
345:
346: if (NULL != (n = n->child)) {
347: term_fontrepl(p, TERMFONT_BOLD);
348: term_word(p, n->string);
349: }
350: if (NULL != n && NULL != n->next) {
351: term_fontrepl(p, TERMFONT_UNDER);
352: term_word(p, n->next->string);
353: }
354:
355: term_fontrepl(p, TERMFONT_NONE);
356: p->flags |= TERMP_NOSPACE;
357: term_word(p, "]");
358: return(0);
1.89 kristaps 359: }
360:
361: static int
362: pre_ft(DECL_ARGS)
363: {
364: const char *cp;
365:
366: if (NULL == n->child) {
367: term_fontlast(p);
368: return(0);
369: }
370:
371: cp = n->child->string;
372: switch (*cp) {
1.146 schwarze 373: case '4':
1.89 kristaps 374: /* FALLTHROUGH */
1.146 schwarze 375: case '3':
1.89 kristaps 376: /* FALLTHROUGH */
1.146 schwarze 377: case 'B':
1.89 kristaps 378: term_fontrepl(p, TERMFONT_BOLD);
379: break;
1.146 schwarze 380: case '2':
1.89 kristaps 381: /* FALLTHROUGH */
1.146 schwarze 382: case 'I':
1.89 kristaps 383: term_fontrepl(p, TERMFONT_UNDER);
384: break;
1.146 schwarze 385: case 'P':
1.89 kristaps 386: term_fontlast(p);
387: break;
1.146 schwarze 388: case '1':
1.89 kristaps 389: /* FALLTHROUGH */
1.146 schwarze 390: case 'C':
1.89 kristaps 391: /* FALLTHROUGH */
1.146 schwarze 392: case 'R':
1.89 kristaps 393: term_fontrepl(p, TERMFONT_NONE);
394: break;
395: default:
396: break;
397: }
398: return(0);
1.83 kristaps 399: }
400:
401: static int
402: pre_in(DECL_ARGS)
403: {
1.163 schwarze 404: struct roffsu su;
405: const char *cp;
1.83 kristaps 406: size_t v;
1.163 schwarze 407: int less;
1.83 kristaps 408:
409: term_newln(p);
410:
411: if (NULL == n->child) {
412: p->offset = mt->offset;
413: return(0);
414: }
415:
416: cp = n->child->string;
417: less = 0;
418:
419: if ('-' == *cp)
420: less = -1;
421: else if ('+' == *cp)
422: less = 1;
423: else
424: cp--;
425:
1.163 schwarze 426: if ( ! a2roffsu(++cp, &su, SCALE_EN))
1.83 kristaps 427: return(0);
428:
1.175 schwarze 429: v = (term_hspan(p, &su) + 11) / 24;
1.83 kristaps 430:
431: if (less < 0)
432: p->offset -= p->offset > v ? v : p->offset;
433: else if (less > 0)
434: p->offset += v;
1.146 schwarze 435: else
1.83 kristaps 436: p->offset = v;
1.164 schwarze 437: if (p->offset > SHRT_MAX)
438: p->offset = term_len(p, p->defindent);
1.95 kristaps 439:
1.83 kristaps 440: return(0);
1.1 kristaps 441: }
442:
443: static int
1.19 kristaps 444: pre_sp(DECL_ARGS)
445: {
1.162 schwarze 446: struct roffsu su;
1.163 schwarze 447: int i, len;
1.112 kristaps 448:
449: if ((NULL == n->prev && n->parent)) {
1.132 schwarze 450: switch (n->parent->tok) {
1.146 schwarze 451: case MAN_SH:
1.132 schwarze 452: /* FALLTHROUGH */
1.146 schwarze 453: case MAN_SS:
1.132 schwarze 454: /* FALLTHROUGH */
1.146 schwarze 455: case MAN_PP:
1.132 schwarze 456: /* FALLTHROUGH */
1.146 schwarze 457: case MAN_LP:
1.132 schwarze 458: /* FALLTHROUGH */
1.146 schwarze 459: case MAN_P:
1.132 schwarze 460: /* FALLTHROUGH */
1.112 kristaps 461: return(0);
1.132 schwarze 462: default:
463: break;
464: }
1.112 kristaps 465: }
1.19 kristaps 466:
1.163 schwarze 467: if (n->tok == MAN_br)
1.82 kristaps 468: len = 0;
1.163 schwarze 469: else if (n->child == NULL)
470: len = 1;
471: else {
472: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1.162 schwarze 473: su.scale = 1.0;
474: len = term_vspan(p, &su);
1.82 kristaps 475: }
1.38 kristaps 476:
1.163 schwarze 477: if (len == 0)
1.19 kristaps 478: term_newln(p);
1.163 schwarze 479: else if (len < 0)
480: p->skipvsp -= len;
1.131 schwarze 481: else
482: for (i = 0; i < len; i++)
483: term_vspace(p);
1.183 schwarze 484:
485: /*
486: * Handle an explicit break request in the same way
487: * as an overflowing line.
488: */
489:
490: if (p->flags & TERMP_BRIND) {
491: p->offset = p->rmargin;
492: p->rmargin = p->maxrmargin;
493: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
494: }
1.19 kristaps 495:
1.15 kristaps 496: return(0);
497: }
498:
499: static int
1.19 kristaps 500: pre_HP(DECL_ARGS)
501: {
1.163 schwarze 502: struct roffsu su;
1.172 schwarze 503: const struct roff_node *nn;
1.163 schwarze 504: int len;
1.19 kristaps 505:
1.20 kristaps 506: switch (n->type) {
1.171 schwarze 507: case ROFFT_BLOCK:
1.134 schwarze 508: print_bvspace(p, n, mt->pardist);
1.24 kristaps 509: return(1);
1.171 schwarze 510: case ROFFT_BODY:
1.20 kristaps 511: break;
512: default:
513: return(0);
514: }
515:
1.130 schwarze 516: if ( ! (MANT_LITERAL & mt->fl)) {
1.145 schwarze 517: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 518: p->trailspace = 2;
1.130 schwarze 519: }
520:
1.24 kristaps 521: /* Calculate offset. */
522:
1.163 schwarze 523: if ((nn = n->parent->head->child) != NULL &&
524: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 525: len = term_hspan(p, &su) / 24;
1.164 schwarze 526: if (len < 0 && (size_t)(-len) > mt->offset)
527: len = -mt->offset;
528: else if (len > SHRT_MAX)
529: len = term_len(p, p->defindent);
1.163 schwarze 530: mt->lmargin[mt->lmargincur] = len;
531: } else
532: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 533:
1.26 kristaps 534: p->offset = mt->offset;
1.164 schwarze 535: p->rmargin = mt->offset + len;
1.19 kristaps 536: return(1);
537: }
538:
1.20 kristaps 539: static void
540: post_HP(DECL_ARGS)
541: {
542:
543: switch (n->type) {
1.171 schwarze 544: case ROFFT_BODY:
1.136 schwarze 545: term_newln(p);
1.174 schwarze 546:
547: /*
548: * Compatibility with a groff bug.
549: * The .HP macro uses the undocumented .tag request
550: * which causes a line break and cancels no-space
551: * mode even if there isn't any output.
552: */
553:
554: if (n->child == NULL)
555: term_vspace(p);
556:
1.145 schwarze 557: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 558: p->trailspace = 0;
1.26 kristaps 559: p->offset = mt->offset;
1.20 kristaps 560: p->rmargin = p->maxrmargin;
561: break;
562: default:
563: break;
564: }
565: }
566:
1.19 kristaps 567: static int
1.1 kristaps 568: pre_PP(DECL_ARGS)
569: {
570:
1.19 kristaps 571: switch (n->type) {
1.171 schwarze 572: case ROFFT_BLOCK:
1.122 schwarze 573: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 574: print_bvspace(p, n, mt->pardist);
1.19 kristaps 575: break;
576: default:
1.26 kristaps 577: p->offset = mt->offset;
1.19 kristaps 578: break;
579: }
580:
1.171 schwarze 581: return(n->type != ROFFT_HEAD);
1.1 kristaps 582: }
583:
584: static int
1.4 kristaps 585: pre_IP(DECL_ARGS)
586: {
1.163 schwarze 587: struct roffsu su;
1.172 schwarze 588: const struct roff_node *nn;
1.163 schwarze 589: int len, savelit;
1.18 kristaps 590:
1.22 kristaps 591: switch (n->type) {
1.171 schwarze 592: case ROFFT_BODY:
1.22 kristaps 593: p->flags |= TERMP_NOSPACE;
594: break;
1.171 schwarze 595: case ROFFT_HEAD:
1.22 kristaps 596: p->flags |= TERMP_NOBREAK;
1.139 schwarze 597: p->trailspace = 1;
1.22 kristaps 598: break;
1.171 schwarze 599: case ROFFT_BLOCK:
1.134 schwarze 600: print_bvspace(p, n, mt->pardist);
1.23 kristaps 601: /* FALLTHROUGH */
1.22 kristaps 602: default:
603: return(1);
604: }
1.18 kristaps 605:
1.94 schwarze 606: /* Calculate the offset from the optional second argument. */
1.163 schwarze 607: if ((nn = n->parent->head->child) != NULL &&
608: (nn = nn->next) != NULL &&
609: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 610: len = term_hspan(p, &su) / 24;
1.163 schwarze 611: if (len < 0 && (size_t)(-len) > mt->offset)
612: len = -mt->offset;
1.164 schwarze 613: else if (len > SHRT_MAX)
614: len = term_len(p, p->defindent);
615: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 616: } else
617: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 618:
1.22 kristaps 619: switch (n->type) {
1.171 schwarze 620: case ROFFT_HEAD:
1.26 kristaps 621: p->offset = mt->offset;
622: p->rmargin = mt->offset + len;
1.18 kristaps 623:
1.94 schwarze 624: savelit = MANT_LITERAL & mt->fl;
625: mt->fl &= ~MANT_LITERAL;
626:
627: if (n->child)
1.135 schwarze 628: print_man_node(p, mt, n->child, meta);
1.94 schwarze 629:
630: if (savelit)
631: mt->fl |= MANT_LITERAL;
632:
1.22 kristaps 633: return(0);
1.171 schwarze 634: case ROFFT_BODY:
1.26 kristaps 635: p->offset = mt->offset + len;
1.156 schwarze 636: p->rmargin = p->maxrmargin;
1.23 kristaps 637: break;
1.22 kristaps 638: default:
639: break;
1.18 kristaps 640: }
641:
1.22 kristaps 642: return(1);
643: }
1.18 kristaps 644:
1.22 kristaps 645: static void
646: post_IP(DECL_ARGS)
647: {
1.4 kristaps 648:
1.22 kristaps 649: switch (n->type) {
1.171 schwarze 650: case ROFFT_HEAD:
1.22 kristaps 651: term_flushln(p);
652: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 653: p->trailspace = 0;
1.22 kristaps 654: p->rmargin = p->maxrmargin;
655: break;
1.171 schwarze 656: case ROFFT_BODY:
1.94 schwarze 657: term_newln(p);
1.138 schwarze 658: p->offset = mt->offset;
1.22 kristaps 659: break;
660: default:
661: break;
662: }
1.4 kristaps 663: }
664:
665: static int
1.1 kristaps 666: pre_TP(DECL_ARGS)
667: {
1.163 schwarze 668: struct roffsu su;
1.172 schwarze 669: struct roff_node *nn;
1.163 schwarze 670: int len, savelit;
1.1 kristaps 671:
1.21 kristaps 672: switch (n->type) {
1.171 schwarze 673: case ROFFT_HEAD:
1.184 ! schwarze 674: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 675: p->trailspace = 1;
1.21 kristaps 676: break;
1.171 schwarze 677: case ROFFT_BODY:
1.21 kristaps 678: p->flags |= TERMP_NOSPACE;
1.23 kristaps 679: break;
1.171 schwarze 680: case ROFFT_BLOCK:
1.134 schwarze 681: print_bvspace(p, n, mt->pardist);
1.23 kristaps 682: /* FALLTHROUGH */
683: default:
684: return(1);
685: }
686:
687: /* Calculate offset. */
688:
1.163 schwarze 689: if ((nn = n->parent->head->child) != NULL &&
690: nn->string != NULL && ! (MAN_LINE & nn->flags) &&
691: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 692: len = term_hspan(p, &su) / 24;
1.163 schwarze 693: if (len < 0 && (size_t)(-len) > mt->offset)
694: len = -mt->offset;
1.164 schwarze 695: else if (len > SHRT_MAX)
696: len = term_len(p, p->defindent);
697: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 698: } else
699: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 700:
701: switch (n->type) {
1.171 schwarze 702: case ROFFT_HEAD:
1.26 kristaps 703: p->offset = mt->offset;
704: p->rmargin = mt->offset + len;
1.23 kristaps 705:
1.94 schwarze 706: savelit = MANT_LITERAL & mt->fl;
707: mt->fl &= ~MANT_LITERAL;
708:
1.23 kristaps 709: /* Don't print same-line elements. */
1.141 schwarze 710: nn = n->child;
711: while (NULL != nn && 0 == (MAN_LINE & nn->flags))
712: nn = nn->next;
713:
714: while (NULL != nn) {
715: print_man_node(p, mt, nn, meta);
716: nn = nn->next;
717: }
1.24 kristaps 718:
1.94 schwarze 719: if (savelit)
720: mt->fl |= MANT_LITERAL;
1.23 kristaps 721: return(0);
1.171 schwarze 722: case ROFFT_BODY:
1.26 kristaps 723: p->offset = mt->offset + len;
1.156 schwarze 724: p->rmargin = p->maxrmargin;
1.139 schwarze 725: p->trailspace = 0;
1.184 ! schwarze 726: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 727: break;
728: default:
729: break;
730: }
1.16 kristaps 731:
1.21 kristaps 732: return(1);
733: }
1.1 kristaps 734:
1.21 kristaps 735: static void
736: post_TP(DECL_ARGS)
737: {
1.1 kristaps 738:
1.21 kristaps 739: switch (n->type) {
1.171 schwarze 740: case ROFFT_HEAD:
1.21 kristaps 741: term_flushln(p);
742: break;
1.171 schwarze 743: case ROFFT_BODY:
1.94 schwarze 744: term_newln(p);
1.138 schwarze 745: p->offset = mt->offset;
1.21 kristaps 746: break;
747: default:
748: break;
749: }
1.1 kristaps 750: }
751:
752: static int
753: pre_SS(DECL_ARGS)
754: {
1.134 schwarze 755: int i;
1.1 kristaps 756:
1.19 kristaps 757: switch (n->type) {
1.171 schwarze 758: case ROFFT_BLOCK:
1.113 kristaps 759: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 760: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
761: mt->offset = term_len(p, p->defindent);
1.158 schwarze 762:
763: /*
764: * No vertical space before the first subsection
765: * and after an empty subsection.
766: */
767:
768: do {
769: n = n->prev;
1.182 schwarze 770: } while (n != NULL && n->tok != TOKEN_NONE &&
1.170 schwarze 771: termacts[n->tok].flags & MAN_NOTEXT);
1.158 schwarze 772: if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 773: break;
1.158 schwarze 774:
1.134 schwarze 775: for (i = 0; i < mt->pardist; i++)
776: term_vspace(p);
1.19 kristaps 777: break;
1.171 schwarze 778: case ROFFT_HEAD:
1.52 kristaps 779: term_fontrepl(p, TERMFONT_BOLD);
1.133 schwarze 780: p->offset = term_len(p, 3);
1.176 schwarze 781: p->rmargin = mt->offset;
782: p->trailspace = mt->offset;
783: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 784: break;
1.171 schwarze 785: case ROFFT_BODY:
1.26 kristaps 786: p->offset = mt->offset;
1.176 schwarze 787: p->rmargin = p->maxrmargin;
788: p->trailspace = 0;
789: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 790: break;
1.19 kristaps 791: default:
792: break;
793: }
794:
1.1 kristaps 795: return(1);
796: }
797:
798: static void
799: post_SS(DECL_ARGS)
800: {
1.146 schwarze 801:
1.19 kristaps 802: switch (n->type) {
1.171 schwarze 803: case ROFFT_HEAD:
1.19 kristaps 804: term_newln(p);
805: break;
1.171 schwarze 806: case ROFFT_BODY:
1.24 kristaps 807: term_newln(p);
808: break;
1.19 kristaps 809: default:
810: break;
811: }
1.1 kristaps 812: }
813:
814: static int
815: pre_SH(DECL_ARGS)
816: {
1.134 schwarze 817: int i;
1.22 kristaps 818:
1.19 kristaps 819: switch (n->type) {
1.171 schwarze 820: case ROFFT_BLOCK:
1.113 kristaps 821: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 822: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
823: mt->offset = term_len(p, p->defindent);
1.158 schwarze 824:
825: /*
826: * No vertical space before the first section
827: * and after an empty section.
828: */
829:
830: do {
831: n = n->prev;
832: } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
833: if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 834: break;
1.158 schwarze 835:
1.134 schwarze 836: for (i = 0; i < mt->pardist; i++)
837: term_vspace(p);
1.19 kristaps 838: break;
1.171 schwarze 839: case ROFFT_HEAD:
1.52 kristaps 840: term_fontrepl(p, TERMFONT_BOLD);
1.19 kristaps 841: p->offset = 0;
1.176 schwarze 842: p->rmargin = mt->offset;
843: p->trailspace = mt->offset;
844: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 845: break;
1.171 schwarze 846: case ROFFT_BODY:
1.26 kristaps 847: p->offset = mt->offset;
1.176 schwarze 848: p->rmargin = p->maxrmargin;
849: p->trailspace = 0;
850: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 851: break;
852: default:
853: break;
854: }
1.1 kristaps 855:
856: return(1);
857: }
858:
859: static void
860: post_SH(DECL_ARGS)
861: {
1.146 schwarze 862:
1.19 kristaps 863: switch (n->type) {
1.171 schwarze 864: case ROFFT_HEAD:
1.19 kristaps 865: term_newln(p);
866: break;
1.171 schwarze 867: case ROFFT_BODY:
1.19 kristaps 868: term_newln(p);
869: break;
870: default:
871: break;
872: }
1.1 kristaps 873: }
874:
1.26 kristaps 875: static int
876: pre_RS(DECL_ARGS)
877: {
1.163 schwarze 878: struct roffsu su;
1.26 kristaps 879:
880: switch (n->type) {
1.171 schwarze 881: case ROFFT_BLOCK:
1.26 kristaps 882: term_newln(p);
883: return(1);
1.171 schwarze 884: case ROFFT_HEAD:
1.26 kristaps 885: return(0);
886: default:
887: break;
888: }
889:
1.165 schwarze 890: n = n->parent->head;
891: n->aux = SHRT_MAX + 1;
1.177 schwarze 892: if (n->child == NULL)
893: n->aux = mt->lmargin[mt->lmargincur];
894: else if (a2roffsu(n->child->string, &su, SCALE_EN))
1.175 schwarze 895: n->aux = term_hspan(p, &su) / 24;
1.165 schwarze 896: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
897: n->aux = -mt->offset;
898: else if (n->aux > SHRT_MAX)
899: n->aux = term_len(p, p->defindent);
1.26 kristaps 900:
1.165 schwarze 901: mt->offset += n->aux;
1.140 schwarze 902: p->offset = mt->offset;
1.156 schwarze 903: p->rmargin = p->maxrmargin;
1.26 kristaps 904:
1.116 schwarze 905: if (++mt->lmarginsz < MAXMARGINS)
906: mt->lmargincur = mt->lmarginsz;
907:
1.178 schwarze 908: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.26 kristaps 909: return(1);
910: }
911:
912: static void
913: post_RS(DECL_ARGS)
914: {
915:
916: switch (n->type) {
1.171 schwarze 917: case ROFFT_BLOCK:
1.110 kristaps 918: return;
1.171 schwarze 919: case ROFFT_HEAD:
1.110 kristaps 920: return;
1.26 kristaps 921: default:
922: term_newln(p);
923: break;
924: }
1.110 kristaps 925:
1.165 schwarze 926: mt->offset -= n->parent->head->aux;
1.110 kristaps 927: p->offset = mt->offset;
1.116 schwarze 928:
929: if (--mt->lmarginsz < MAXMARGINS)
930: mt->lmargincur = mt->lmarginsz;
1.137 schwarze 931: }
932:
933: static int
934: pre_UR(DECL_ARGS)
935: {
936:
1.171 schwarze 937: return (n->type != ROFFT_HEAD);
1.137 schwarze 938: }
939:
940: static void
941: post_UR(DECL_ARGS)
942: {
943:
1.171 schwarze 944: if (n->type != ROFFT_BLOCK)
1.137 schwarze 945: return;
946:
947: term_word(p, "<");
948: p->flags |= TERMP_NOSPACE;
949:
950: if (NULL != n->child->child)
951: print_man_node(p, mt, n->child->child, meta);
952:
953: p->flags |= TERMP_NOSPACE;
954: term_word(p, ">");
1.26 kristaps 955: }
956:
1.1 kristaps 957: static void
1.45 kristaps 958: print_man_node(DECL_ARGS)
1.1 kristaps 959: {
1.65 joerg 960: size_t rm, rmax;
1.54 kristaps 961: int c;
1.1 kristaps 962:
963: switch (n->type) {
1.171 schwarze 964: case ROFFT_TEXT:
1.97 kristaps 965: /*
966: * If we have a blank line, output a vertical space.
967: * If we have a space as the first character, break
968: * before printing the line's data.
969: */
1.96 kristaps 970: if ('\0' == *n->string) {
1.4 kristaps 971: term_vspace(p);
1.98 schwarze 972: return;
1.97 kristaps 973: } else if (' ' == *n->string && MAN_LINE & n->flags)
1.96 kristaps 974: term_newln(p);
1.54 kristaps 975:
1.4 kristaps 976: term_word(p, n->string);
1.130 schwarze 977: goto out;
1.52 kristaps 978:
1.171 schwarze 979: case ROFFT_EQN:
1.152 schwarze 980: if ( ! (n->flags & MAN_LINE))
981: p->flags |= TERMP_NOSPACE;
1.115 kristaps 982: term_eqn(p, n->eqn);
1.154 schwarze 983: if (n->next != NULL && ! (n->next->flags & MAN_LINE))
1.153 schwarze 984: p->flags |= TERMP_NOSPACE;
1.97 kristaps 985: return;
1.171 schwarze 986: case ROFFT_TBL:
1.169 schwarze 987: if (p->tbl.cols == NULL)
988: term_vspace(p);
1.92 kristaps 989: term_tbl(p, n->span);
1.97 kristaps 990: return;
1.1 kristaps 991: default:
992: break;
993: }
994:
1.97 kristaps 995: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
996: term_fontrepl(p, TERMFONT_NONE);
997:
998: c = 1;
999: if (termacts[n->tok].pre)
1.135 schwarze 1000: c = (*termacts[n->tok].pre)(p, mt, n, meta);
1.97 kristaps 1001:
1.1 kristaps 1002: if (c && n->child)
1.135 schwarze 1003: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1004:
1.97 kristaps 1005: if (termacts[n->tok].post)
1.135 schwarze 1006: (*termacts[n->tok].post)(p, mt, n, meta);
1.97 kristaps 1007: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
1008: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 1009:
1.130 schwarze 1010: out:
1011: /*
1012: * If we're in a literal context, make sure that words
1013: * together on the same line stay together. This is a
1014: * POST-printing call, so we check the NEXT word. Since
1015: * -man doesn't have nested macros, we don't need to be
1016: * more specific than this.
1017: */
1.157 schwarze 1018: if (mt->fl & MANT_LITERAL &&
1019: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1020: (n->next == NULL || n->next->flags & MAN_LINE)) {
1.130 schwarze 1021: rm = p->rmargin;
1022: rmax = p->maxrmargin;
1023: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1024: p->flags |= TERMP_NOSPACE;
1.157 schwarze 1025: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 1026: term_flushln(p);
1027: else
1028: term_newln(p);
1029: if (rm < rmax && n->parent->tok == MAN_HP) {
1030: p->offset = rm;
1031: p->rmargin = rmax;
1032: } else
1033: p->rmargin = rm;
1034: p->maxrmargin = rmax;
1035: }
1.63 kristaps 1036: if (MAN_EOS & n->flags)
1037: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1038: }
1039:
1040:
1041: static void
1.52 kristaps 1042: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1043: {
1.19 kristaps 1044:
1.168 schwarze 1045: while (n != NULL) {
1046: print_man_node(p, mt, n, meta);
1047: n = n->next;
1048: }
1.1 kristaps 1049: }
1050:
1.31 kristaps 1051: static void
1.173 schwarze 1052: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1053: {
1.147 schwarze 1054: char *title;
1.156 schwarze 1055: size_t datelen, titlen;
1.73 kristaps 1056:
1.125 schwarze 1057: assert(meta->title);
1058: assert(meta->msec);
1059: assert(meta->date);
1.1 kristaps 1060:
1.52 kristaps 1061: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1062:
1.149 schwarze 1063: if (meta->hasbody)
1064: term_vspace(p);
1.126 schwarze 1065:
1066: /*
1067: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1068: * In the bottom right corner, use the operating system
1069: * instead of the title.
1.126 schwarze 1070: */
1071:
1072: if ( ! p->mdocstyle) {
1.149 schwarze 1073: if (meta->hasbody) {
1074: term_vspace(p);
1075: term_vspace(p);
1076: }
1.147 schwarze 1077: mandoc_asprintf(&title, "%s(%s)",
1078: meta->title, meta->msec);
1.173 schwarze 1079: } else if (meta->os) {
1080: title = mandoc_strdup(meta->os);
1.126 schwarze 1081: } else {
1.147 schwarze 1082: title = mandoc_strdup("");
1.126 schwarze 1083: }
1.125 schwarze 1084: datelen = term_strlen(p, meta->date);
1.1 kristaps 1085:
1.173 schwarze 1086: /* Bottom left corner: operating system. */
1.126 schwarze 1087:
1.1 kristaps 1088: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1089: p->trailspace = 1;
1.1 kristaps 1090: p->offset = 0;
1.156 schwarze 1091: p->rmargin = p->maxrmargin > datelen ?
1092: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1093:
1.173 schwarze 1094: if (meta->os)
1095: term_word(p, meta->os);
1.1 kristaps 1096: term_flushln(p);
1097:
1.126 schwarze 1098: /* At the bottom in the middle: manual date. */
1099:
1.156 schwarze 1100: p->offset = p->rmargin;
1101: titlen = term_strlen(p, title);
1102: p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
1.117 schwarze 1103: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1104:
1.125 schwarze 1105: term_word(p, meta->date);
1.123 schwarze 1106: term_flushln(p);
1107:
1.126 schwarze 1108: /* Bottom right corner: manual title and section. */
1109:
1.123 schwarze 1110: p->flags &= ~TERMP_NOBREAK;
1111: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1112: p->trailspace = 0;
1.123 schwarze 1113: p->offset = p->rmargin;
1.1 kristaps 1114: p->rmargin = p->maxrmargin;
1115:
1.123 schwarze 1116: term_word(p, title);
1.1 kristaps 1117: term_flushln(p);
1.147 schwarze 1118: free(title);
1.1 kristaps 1119: }
1120:
1.31 kristaps 1121: static void
1.173 schwarze 1122: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1123: {
1.148 schwarze 1124: const char *volume;
1.147 schwarze 1125: char *title;
1.148 schwarze 1126: size_t vollen, titlen;
1.73 kristaps 1127:
1.135 schwarze 1128: assert(meta->title);
1129: assert(meta->msec);
1.1 kristaps 1130:
1.148 schwarze 1131: volume = NULL == meta->vol ? "" : meta->vol;
1132: vollen = term_strlen(p, volume);
1.1 kristaps 1133:
1.126 schwarze 1134: /* Top left corner: manual title and section. */
1135:
1.147 schwarze 1136: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1137: titlen = term_strlen(p, title);
1.1 kristaps 1138:
1.118 schwarze 1139: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1140: p->trailspace = 1;
1.1 kristaps 1141: p->offset = 0;
1.148 schwarze 1142: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1143: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1144: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1145:
1146: term_word(p, title);
1147: term_flushln(p);
1148:
1.126 schwarze 1149: /* At the top in the middle: manual volume. */
1150:
1.117 schwarze 1151: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1152: p->offset = p->rmargin;
1.148 schwarze 1153: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.57 kristaps 1154: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1155:
1.148 schwarze 1156: term_word(p, volume);
1.1 kristaps 1157: term_flushln(p);
1158:
1.126 schwarze 1159: /* Top right corner: title and section, again. */
1160:
1.1 kristaps 1161: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1162: p->trailspace = 0;
1.57 kristaps 1163: if (p->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1164: p->flags |= TERMP_NOSPACE;
1.57 kristaps 1165: p->offset = p->rmargin;
1166: p->rmargin = p->maxrmargin;
1167: term_word(p, title);
1168: term_flushln(p);
1169: }
1.1 kristaps 1170:
1.118 schwarze 1171: p->flags &= ~TERMP_NOSPACE;
1172: p->offset = 0;
1.1 kristaps 1173: p->rmargin = p->maxrmargin;
1.61 kristaps 1174:
1.146 schwarze 1175: /*
1.126 schwarze 1176: * Groff prints three blank lines before the content.
1177: * Do the same, except in the temporary, undocumented
1178: * mode imitating mdoc(7) output.
1.62 kristaps 1179: */
1180:
1.61 kristaps 1181: term_vspace(p);
1.126 schwarze 1182: if ( ! p->mdocstyle) {
1183: term_vspace(p);
1184: term_vspace(p);
1185: }
1.147 schwarze 1186: free(title);
1.1 kristaps 1187: }
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