Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.141
1.141 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.140 2016/01/08 17:48:04 schwarze Exp $ */
1.1 kristaps 2: /*
1.84 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.121 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
1.2 schwarze 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: *
1.124 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.2 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.124 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.2 schwarze 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: */
1.13 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
1.11 schwarze 21: #include <ctype.h>
1.117 schwarze 22: #include <limits.h>
1.1 kristaps 23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
26:
1.124 schwarze 27: #include "mandoc_aux.h"
1.37 schwarze 28: #include "mandoc.h"
1.124 schwarze 29: #include "roff.h"
30: #include "man.h"
1.18 schwarze 31: #include "out.h"
1.1 kristaps 32: #include "term.h"
1.18 schwarze 33: #include "main.h"
1.10 schwarze 34:
1.70 schwarze 35: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.1 kristaps 36:
1.11 schwarze 37: struct mtermp {
38: int fl;
39: #define MANT_LITERAL (1 << 0)
1.116 schwarze 40: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.70 schwarze 41: int lmargincur; /* index of current margin */
42: int lmarginsz; /* actual number of nested margins */
43: size_t offset; /* default offset to visible page */
1.88 schwarze 44: int pardist; /* vert. space before par., unit: [v] */
1.11 schwarze 45: };
46:
1.100 schwarze 47: #define DECL_ARGS struct termp *p, \
1.11 schwarze 48: struct mtermp *mt, \
1.125 schwarze 49: struct roff_node *n, \
1.126 schwarze 50: const struct roff_meta *meta
1.1 kristaps 51:
52: struct termact {
53: int (*pre)(DECL_ARGS);
54: void (*post)(DECL_ARGS);
1.26 schwarze 55: int flags;
56: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 57: };
58:
1.21 schwarze 59: static void print_man_nodelist(DECL_ARGS);
1.19 schwarze 60: static void print_man_node(DECL_ARGS);
1.126 schwarze 61: static void print_man_head(struct termp *,
62: const struct roff_meta *);
63: static void print_man_foot(struct termp *,
64: const struct roff_meta *);
1.100 schwarze 65: static void print_bvspace(struct termp *,
1.125 schwarze 66: const struct roff_node *, int);
1.18 schwarze 67:
1.1 kristaps 68: static int pre_B(DECL_ARGS);
1.11 schwarze 69: static int pre_HP(DECL_ARGS);
1.1 kristaps 70: static int pre_I(DECL_ARGS);
71: static int pre_IP(DECL_ARGS);
1.82 schwarze 72: static int pre_OP(DECL_ARGS);
1.88 schwarze 73: static int pre_PD(DECL_ARGS);
1.1 kristaps 74: static int pre_PP(DECL_ARGS);
1.13 schwarze 75: static int pre_RS(DECL_ARGS);
1.1 kristaps 76: static int pre_SH(DECL_ARGS);
77: static int pre_SS(DECL_ARGS);
78: static int pre_TP(DECL_ARGS);
1.91 schwarze 79: static int pre_UR(DECL_ARGS);
1.82 schwarze 80: static int pre_alternate(DECL_ARGS);
81: static int pre_ft(DECL_ARGS);
1.14 schwarze 82: static int pre_ign(DECL_ARGS);
1.45 schwarze 83: static int pre_in(DECL_ARGS);
84: static int pre_literal(DECL_ARGS);
1.97 schwarze 85: static int pre_ll(DECL_ARGS);
1.11 schwarze 86: static int pre_sp(DECL_ARGS);
1.1 kristaps 87:
1.11 schwarze 88: static void post_IP(DECL_ARGS);
89: static void post_HP(DECL_ARGS);
1.13 schwarze 90: static void post_RS(DECL_ARGS);
1.1 kristaps 91: static void post_SH(DECL_ARGS);
92: static void post_SS(DECL_ARGS);
1.11 schwarze 93: static void post_TP(DECL_ARGS);
1.91 schwarze 94: static void post_UR(DECL_ARGS);
1.1 kristaps 95:
1.17 schwarze 96: static const struct termact termacts[MAN_MAX] = {
1.45 schwarze 97: { pre_sp, NULL, MAN_NOTEXT }, /* br */
1.26 schwarze 98: { NULL, NULL, 0 }, /* TH */
99: { pre_SH, post_SH, 0 }, /* SH */
100: { pre_SS, post_SS, 0 }, /* SS */
101: { pre_TP, post_TP, 0 }, /* TP */
102: { pre_PP, NULL, 0 }, /* LP */
103: { pre_PP, NULL, 0 }, /* PP */
104: { pre_PP, NULL, 0 }, /* P */
105: { pre_IP, post_IP, 0 }, /* IP */
1.100 schwarze 106: { pre_HP, post_HP, 0 }, /* HP */
1.26 schwarze 107: { NULL, NULL, 0 }, /* SM */
108: { pre_B, NULL, 0 }, /* SB */
1.51 schwarze 109: { pre_alternate, NULL, 0 }, /* BI */
110: { pre_alternate, NULL, 0 }, /* IB */
111: { pre_alternate, NULL, 0 }, /* BR */
112: { pre_alternate, NULL, 0 }, /* RB */
1.26 schwarze 113: { NULL, NULL, 0 }, /* R */
114: { pre_B, NULL, 0 }, /* B */
115: { pre_I, NULL, 0 }, /* I */
1.51 schwarze 116: { pre_alternate, NULL, 0 }, /* IR */
117: { pre_alternate, NULL, 0 }, /* RI */
1.26 schwarze 118: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.45 schwarze 119: { pre_literal, NULL, 0 }, /* nf */
120: { pre_literal, NULL, 0 }, /* fi */
1.26 schwarze 121: { NULL, NULL, 0 }, /* RE */
122: { pre_RS, post_RS, 0 }, /* RS */
123: { pre_ign, NULL, 0 }, /* DT */
1.111 schwarze 124: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.88 schwarze 125: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.36 schwarze 126: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 127: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.52 schwarze 128: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.82 schwarze 129: { pre_OP, NULL, 0 }, /* OP */
1.83 schwarze 130: { pre_literal, NULL, 0 }, /* EX */
131: { pre_literal, NULL, 0 }, /* EE */
1.91 schwarze 132: { pre_UR, post_UR, 0 }, /* UR */
133: { NULL, NULL, 0 }, /* UE */
1.97 schwarze 134: { pre_ll, NULL, MAN_NOTEXT }, /* ll */
1.1 kristaps 135: };
1.11 schwarze 136:
1.1 kristaps 137:
1.16 schwarze 138: void
1.133 schwarze 139: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 140: {
1.18 schwarze 141: struct termp *p;
1.125 schwarze 142: struct roff_node *n;
1.18 schwarze 143: struct mtermp mt;
144:
145: p = (struct termp *)arg;
1.39 schwarze 146: p->overstep = 0;
1.104 schwarze 147: p->rmargin = p->maxrmargin = p->defrmargin;
1.42 schwarze 148: p->tabwidth = term_len(p, 5);
1.18 schwarze 149:
1.70 schwarze 150: memset(&mt, 0, sizeof(struct mtermp));
1.77 schwarze 151: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
152: mt.offset = term_len(p, p->defindent);
1.88 schwarze 153: mt.pardist = 1;
1.11 schwarze 154:
1.134 schwarze 155: n = man->first->child;
1.104 schwarze 156: if (p->synopsisonly) {
157: while (n != NULL) {
158: if (n->tok == MAN_SH &&
1.124 schwarze 159: n->child->child->type == ROFFT_TEXT &&
1.104 schwarze 160: !strcmp(n->child->child->string, "SYNOPSIS")) {
161: if (n->child->next->child != NULL)
162: print_man_nodelist(p, &mt,
1.134 schwarze 163: n->child->next->child,
164: &man->meta);
1.104 schwarze 165: term_newln(p);
166: break;
167: }
168: n = n->next;
169: }
170: } else {
171: if (p->defindent == 0)
172: p->defindent = 7;
1.134 schwarze 173: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.104 schwarze 174: p->flags |= TERMP_NOSPACE;
175: if (n != NULL)
1.134 schwarze 176: print_man_nodelist(p, &mt, n, &man->meta);
1.104 schwarze 177: term_end(p);
178: }
1.1 kristaps 179: }
180:
1.69 schwarze 181: /*
182: * Printing leading vertical space before a block.
183: * This is used for the paragraph macros.
184: * The rules are pretty simple, since there's very little nesting going
185: * on here. Basically, if we're the first within another block (SS/SH),
186: * then don't emit vertical space. If we are (RS), then do. If not the
187: * first, print it.
188: */
1.18 schwarze 189: static void
1.125 schwarze 190: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 schwarze 191: {
1.88 schwarze 192: int i;
1.69 schwarze 193:
1.18 schwarze 194: term_newln(p);
1.64 schwarze 195:
1.69 schwarze 196: if (n->body && n->body->child)
1.124 schwarze 197: if (n->body->child->type == ROFFT_TBL)
1.69 schwarze 198: return;
1.11 schwarze 199:
1.124 schwarze 200: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.69 schwarze 201: if (NULL == n->prev)
202: return;
1.11 schwarze 203:
1.88 schwarze 204: for (i = 0; i < pardist; i++)
205: term_vspace(p);
1.14 schwarze 206: }
207:
1.100 schwarze 208:
1.14 schwarze 209: static int
210: pre_ign(DECL_ARGS)
211: {
212:
1.138 schwarze 213: return 0;
1.97 schwarze 214: }
215:
216: static int
217: pre_ll(DECL_ARGS)
218: {
219:
1.140 schwarze 220: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.138 schwarze 221: return 0;
1.11 schwarze 222: }
223:
1.1 kristaps 224: static int
225: pre_I(DECL_ARGS)
226: {
227:
1.21 schwarze 228: term_fontrepl(p, TERMFONT_UNDER);
1.138 schwarze 229: return 1;
1.1 kristaps 230: }
231:
1.11 schwarze 232: static int
1.45 schwarze 233: pre_literal(DECL_ARGS)
1.11 schwarze 234: {
235:
1.45 schwarze 236: term_newln(p);
1.53 schwarze 237:
1.83 schwarze 238: if (MAN_nf == n->tok || MAN_EX == n->tok)
1.45 schwarze 239: mt->fl |= MANT_LITERAL;
1.53 schwarze 240: else
1.45 schwarze 241: mt->fl &= ~MANT_LITERAL;
242:
1.72 schwarze 243: /*
244: * Unlike .IP and .TP, .HP does not have a HEAD.
245: * So in case a second call to term_flushln() is needed,
246: * indentation has to be set up explicitly.
247: */
248: if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
1.76 schwarze 249: p->offset = p->rmargin;
1.72 schwarze 250: p->rmargin = p->maxrmargin;
1.93 schwarze 251: p->trailspace = 0;
1.99 schwarze 252: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.72 schwarze 253: p->flags |= TERMP_NOSPACE;
254: }
255:
1.138 schwarze 256: return 0;
1.11 schwarze 257: }
258:
259: static int
1.88 schwarze 260: pre_PD(DECL_ARGS)
261: {
1.113 schwarze 262: struct roffsu su;
1.88 schwarze 263:
264: n = n->child;
1.113 schwarze 265: if (n == NULL) {
1.88 schwarze 266: mt->pardist = 1;
1.138 schwarze 267: return 0;
1.88 schwarze 268: }
1.124 schwarze 269: assert(n->type == ROFFT_TEXT);
1.113 schwarze 270: if (a2roffsu(n->string, &su, SCALE_VS))
271: mt->pardist = term_vspan(p, &su);
1.138 schwarze 272: return 0;
1.88 schwarze 273: }
274:
275: static int
1.51 schwarze 276: pre_alternate(DECL_ARGS)
1.1 kristaps 277: {
1.51 schwarze 278: enum termfont font[2];
1.125 schwarze 279: struct roff_node *nn;
1.51 schwarze 280: int savelit, i;
1.1 kristaps 281:
1.51 schwarze 282: switch (n->tok) {
1.100 schwarze 283: case MAN_RB:
1.51 schwarze 284: font[0] = TERMFONT_NONE;
285: font[1] = TERMFONT_BOLD;
286: break;
1.100 schwarze 287: case MAN_RI:
1.51 schwarze 288: font[0] = TERMFONT_NONE;
289: font[1] = TERMFONT_UNDER;
290: break;
1.100 schwarze 291: case MAN_BR:
1.51 schwarze 292: font[0] = TERMFONT_BOLD;
293: font[1] = TERMFONT_NONE;
294: break;
1.100 schwarze 295: case MAN_BI:
1.51 schwarze 296: font[0] = TERMFONT_BOLD;
297: font[1] = TERMFONT_UNDER;
298: break;
1.100 schwarze 299: case MAN_IR:
1.51 schwarze 300: font[0] = TERMFONT_UNDER;
301: font[1] = TERMFONT_NONE;
302: break;
1.100 schwarze 303: case MAN_IB:
1.51 schwarze 304: font[0] = TERMFONT_UNDER;
305: font[1] = TERMFONT_BOLD;
306: break;
307: default:
308: abort();
309: }
1.17 schwarze 310:
1.51 schwarze 311: savelit = MANT_LITERAL & mt->fl;
312: mt->fl &= ~MANT_LITERAL;
1.17 schwarze 313:
1.51 schwarze 314: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
315: term_fontrepl(p, font[i]);
316: if (savelit && NULL == nn->next)
317: mt->fl |= MANT_LITERAL;
1.132 schwarze 318: assert(nn->type == ROFFT_TEXT);
319: term_word(p, nn->string);
1.141 ! schwarze 320: if (nn->flags & NODE_EOS)
1.132 schwarze 321: p->flags |= TERMP_SENTENCE;
1.51 schwarze 322: if (nn->next)
1.1 kristaps 323: p->flags |= TERMP_NOSPACE;
324: }
1.17 schwarze 325:
1.138 schwarze 326: return 0;
1.1 kristaps 327: }
328:
329: static int
330: pre_B(DECL_ARGS)
331: {
332:
1.21 schwarze 333: term_fontrepl(p, TERMFONT_BOLD);
1.138 schwarze 334: return 1;
1.82 schwarze 335: }
336:
337: static int
338: pre_OP(DECL_ARGS)
339: {
340:
341: term_word(p, "[");
342: p->flags |= TERMP_NOSPACE;
343:
344: if (NULL != (n = n->child)) {
345: term_fontrepl(p, TERMFONT_BOLD);
346: term_word(p, n->string);
347: }
348: if (NULL != n && NULL != n->next) {
349: term_fontrepl(p, TERMFONT_UNDER);
350: term_word(p, n->next->string);
351: }
352:
353: term_fontrepl(p, TERMFONT_NONE);
354: p->flags |= TERMP_NOSPACE;
355: term_word(p, "]");
1.138 schwarze 356: return 0;
1.52 schwarze 357: }
358:
359: static int
360: pre_ft(DECL_ARGS)
361: {
362: const char *cp;
363:
364: if (NULL == n->child) {
365: term_fontlast(p);
1.138 schwarze 366: return 0;
1.52 schwarze 367: }
368:
369: cp = n->child->string;
370: switch (*cp) {
1.100 schwarze 371: case '4':
372: case '3':
373: case 'B':
1.52 schwarze 374: term_fontrepl(p, TERMFONT_BOLD);
375: break;
1.100 schwarze 376: case '2':
377: case 'I':
1.52 schwarze 378: term_fontrepl(p, TERMFONT_UNDER);
379: break;
1.100 schwarze 380: case 'P':
1.52 schwarze 381: term_fontlast(p);
382: break;
1.100 schwarze 383: case '1':
384: case 'C':
385: case 'R':
1.52 schwarze 386: term_fontrepl(p, TERMFONT_NONE);
387: break;
388: default:
389: break;
390: }
1.138 schwarze 391: return 0;
1.1 kristaps 392: }
393:
394: static int
1.45 schwarze 395: pre_in(DECL_ARGS)
1.11 schwarze 396: {
1.116 schwarze 397: struct roffsu su;
398: const char *cp;
1.45 schwarze 399: size_t v;
1.116 schwarze 400: int less;
1.45 schwarze 401:
402: term_newln(p);
403:
404: if (NULL == n->child) {
405: p->offset = mt->offset;
1.138 schwarze 406: return 0;
1.45 schwarze 407: }
1.11 schwarze 408:
1.45 schwarze 409: cp = n->child->string;
410: less = 0;
1.11 schwarze 411:
1.45 schwarze 412: if ('-' == *cp)
413: less = -1;
414: else if ('+' == *cp)
415: less = 1;
416: else
417: cp--;
418:
1.116 schwarze 419: if ( ! a2roffsu(++cp, &su, SCALE_EN))
1.138 schwarze 420: return 0;
1.45 schwarze 421:
1.128 schwarze 422: v = (term_hspan(p, &su) + 11) / 24;
1.45 schwarze 423:
424: if (less < 0)
425: p->offset -= p->offset > v ? v : p->offset;
426: else if (less > 0)
427: p->offset += v;
1.100 schwarze 428: else
1.45 schwarze 429: p->offset = v;
1.117 schwarze 430: if (p->offset > SHRT_MAX)
431: p->offset = term_len(p, p->defindent);
1.59 schwarze 432:
1.138 schwarze 433: return 0;
1.11 schwarze 434: }
435:
436: static int
1.45 schwarze 437: pre_sp(DECL_ARGS)
1.8 schwarze 438: {
1.115 schwarze 439: struct roffsu su;
1.116 schwarze 440: int i, len;
1.45 schwarze 441:
1.69 schwarze 442: if ((NULL == n->prev && n->parent)) {
1.86 schwarze 443: switch (n->parent->tok) {
1.100 schwarze 444: case MAN_SH:
445: case MAN_SS:
446: case MAN_PP:
447: case MAN_LP:
448: case MAN_P:
1.138 schwarze 449: return 0;
1.86 schwarze 450: default:
451: break;
452: }
1.69 schwarze 453: }
454:
1.116 schwarze 455: if (n->tok == MAN_br)
1.45 schwarze 456: len = 0;
1.116 schwarze 457: else if (n->child == NULL)
458: len = 1;
459: else {
460: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1.115 schwarze 461: su.scale = 1.0;
462: len = term_vspan(p, &su);
1.45 schwarze 463: }
464:
1.116 schwarze 465: if (len == 0)
1.45 schwarze 466: term_newln(p);
1.116 schwarze 467: else if (len < 0)
468: p->skipvsp -= len;
1.85 schwarze 469: else
470: for (i = 0; i < len; i++)
471: term_vspace(p);
1.136 schwarze 472:
473: /*
474: * Handle an explicit break request in the same way
475: * as an overflowing line.
476: */
477:
478: if (p->flags & TERMP_BRIND) {
479: p->offset = p->rmargin;
480: p->rmargin = p->maxrmargin;
481: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
482: }
1.8 schwarze 483:
1.138 schwarze 484: return 0;
1.8 schwarze 485: }
486:
487: static int
1.11 schwarze 488: pre_HP(DECL_ARGS)
489: {
1.116 schwarze 490: struct roffsu su;
1.125 schwarze 491: const struct roff_node *nn;
1.116 schwarze 492: int len;
1.11 schwarze 493:
494: switch (n->type) {
1.124 schwarze 495: case ROFFT_BLOCK:
1.88 schwarze 496: print_bvspace(p, n, mt->pardist);
1.138 schwarze 497: return 1;
1.124 schwarze 498: case ROFFT_BODY:
1.11 schwarze 499: break;
500: default:
1.138 schwarze 501: return 0;
1.11 schwarze 502: }
503:
1.84 schwarze 504: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 505: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 506: p->trailspace = 2;
1.84 schwarze 507: }
508:
1.11 schwarze 509: /* Calculate offset. */
510:
1.116 schwarze 511: if ((nn = n->parent->head->child) != NULL &&
512: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 513: len = term_hspan(p, &su) / 24;
1.117 schwarze 514: if (len < 0 && (size_t)(-len) > mt->offset)
515: len = -mt->offset;
516: else if (len > SHRT_MAX)
517: len = term_len(p, p->defindent);
1.116 schwarze 518: mt->lmargin[mt->lmargincur] = len;
519: } else
520: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 521:
1.13 schwarze 522: p->offset = mt->offset;
1.117 schwarze 523: p->rmargin = mt->offset + len;
1.138 schwarze 524: return 1;
1.11 schwarze 525: }
526:
527: static void
528: post_HP(DECL_ARGS)
529: {
530:
531: switch (n->type) {
1.124 schwarze 532: case ROFFT_BODY:
1.90 schwarze 533: term_newln(p);
1.127 schwarze 534:
535: /*
536: * Compatibility with a groff bug.
537: * The .HP macro uses the undocumented .tag request
538: * which causes a line break and cancels no-space
539: * mode even if there isn't any output.
540: */
541:
542: if (n->child == NULL)
543: term_vspace(p);
544:
1.99 schwarze 545: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 546: p->trailspace = 0;
1.13 schwarze 547: p->offset = mt->offset;
1.11 schwarze 548: p->rmargin = p->maxrmargin;
549: break;
550: default:
551: break;
552: }
553: }
554:
555: static int
1.1 kristaps 556: pre_PP(DECL_ARGS)
557: {
558:
1.11 schwarze 559: switch (n->type) {
1.124 schwarze 560: case ROFFT_BLOCK:
1.77 schwarze 561: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 562: print_bvspace(p, n, mt->pardist);
1.11 schwarze 563: break;
564: default:
1.13 schwarze 565: p->offset = mt->offset;
1.11 schwarze 566: break;
567: }
568:
1.138 schwarze 569: return n->type != ROFFT_HEAD;
1.1 kristaps 570: }
571:
572: static int
573: pre_IP(DECL_ARGS)
574: {
1.116 schwarze 575: struct roffsu su;
1.125 schwarze 576: const struct roff_node *nn;
1.116 schwarze 577: int len, savelit;
1.11 schwarze 578:
579: switch (n->type) {
1.124 schwarze 580: case ROFFT_BODY:
1.11 schwarze 581: p->flags |= TERMP_NOSPACE;
582: break;
1.124 schwarze 583: case ROFFT_HEAD:
1.11 schwarze 584: p->flags |= TERMP_NOBREAK;
1.93 schwarze 585: p->trailspace = 1;
1.11 schwarze 586: break;
1.124 schwarze 587: case ROFFT_BLOCK:
1.88 schwarze 588: print_bvspace(p, n, mt->pardist);
1.11 schwarze 589: /* FALLTHROUGH */
590: default:
1.138 schwarze 591: return 1;
1.11 schwarze 592: }
593:
1.57 schwarze 594: /* Calculate the offset from the optional second argument. */
1.116 schwarze 595: if ((nn = n->parent->head->child) != NULL &&
596: (nn = nn->next) != NULL &&
597: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 598: len = term_hspan(p, &su) / 24;
1.116 schwarze 599: if (len < 0 && (size_t)(-len) > mt->offset)
600: len = -mt->offset;
1.117 schwarze 601: else if (len > SHRT_MAX)
602: len = term_len(p, p->defindent);
603: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 604: } else
605: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 606:
607: switch (n->type) {
1.124 schwarze 608: case ROFFT_HEAD:
1.13 schwarze 609: p->offset = mt->offset;
610: p->rmargin = mt->offset + len;
1.11 schwarze 611:
1.57 schwarze 612: savelit = MANT_LITERAL & mt->fl;
613: mt->fl &= ~MANT_LITERAL;
614:
615: if (n->child)
1.89 schwarze 616: print_man_node(p, mt, n->child, meta);
1.57 schwarze 617:
618: if (savelit)
619: mt->fl |= MANT_LITERAL;
620:
1.138 schwarze 621: return 0;
1.124 schwarze 622: case ROFFT_BODY:
1.13 schwarze 623: p->offset = mt->offset + len;
1.109 schwarze 624: p->rmargin = p->maxrmargin;
1.11 schwarze 625: break;
626: default:
627: break;
628: }
1.1 kristaps 629:
1.138 schwarze 630: return 1;
1.11 schwarze 631: }
1.1 kristaps 632:
1.11 schwarze 633: static void
634: post_IP(DECL_ARGS)
635: {
1.4 schwarze 636:
1.11 schwarze 637: switch (n->type) {
1.124 schwarze 638: case ROFFT_HEAD:
1.11 schwarze 639: term_flushln(p);
640: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 641: p->trailspace = 0;
1.11 schwarze 642: p->rmargin = p->maxrmargin;
643: break;
1.124 schwarze 644: case ROFFT_BODY:
1.57 schwarze 645: term_newln(p);
1.92 schwarze 646: p->offset = mt->offset;
1.11 schwarze 647: break;
648: default:
649: break;
650: }
1.1 kristaps 651: }
652:
653: static int
654: pre_TP(DECL_ARGS)
655: {
1.116 schwarze 656: struct roffsu su;
1.125 schwarze 657: struct roff_node *nn;
1.116 schwarze 658: int len, savelit;
1.11 schwarze 659:
660: switch (n->type) {
1.124 schwarze 661: case ROFFT_HEAD:
1.137 schwarze 662: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 663: p->trailspace = 1;
1.11 schwarze 664: break;
1.124 schwarze 665: case ROFFT_BODY:
1.11 schwarze 666: p->flags |= TERMP_NOSPACE;
667: break;
1.124 schwarze 668: case ROFFT_BLOCK:
1.88 schwarze 669: print_bvspace(p, n, mt->pardist);
1.11 schwarze 670: /* FALLTHROUGH */
671: default:
1.138 schwarze 672: return 1;
1.11 schwarze 673: }
674:
675: /* Calculate offset. */
1.1 kristaps 676:
1.116 schwarze 677: if ((nn = n->parent->head->child) != NULL &&
1.141 ! schwarze 678: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.116 schwarze 679: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 680: len = term_hspan(p, &su) / 24;
1.116 schwarze 681: if (len < 0 && (size_t)(-len) > mt->offset)
682: len = -mt->offset;
1.117 schwarze 683: else if (len > SHRT_MAX)
684: len = term_len(p, p->defindent);
685: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 686: } else
687: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 688:
1.11 schwarze 689: switch (n->type) {
1.124 schwarze 690: case ROFFT_HEAD:
1.13 schwarze 691: p->offset = mt->offset;
692: p->rmargin = mt->offset + len;
1.11 schwarze 693:
1.57 schwarze 694: savelit = MANT_LITERAL & mt->fl;
695: mt->fl &= ~MANT_LITERAL;
696:
1.11 schwarze 697: /* Don't print same-line elements. */
1.95 schwarze 698: nn = n->child;
1.141 ! schwarze 699: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.95 schwarze 700: nn = nn->next;
701:
702: while (NULL != nn) {
703: print_man_node(p, mt, nn, meta);
704: nn = nn->next;
705: }
1.11 schwarze 706:
1.57 schwarze 707: if (savelit)
708: mt->fl |= MANT_LITERAL;
1.138 schwarze 709: return 0;
1.124 schwarze 710: case ROFFT_BODY:
1.13 schwarze 711: p->offset = mt->offset + len;
1.109 schwarze 712: p->rmargin = p->maxrmargin;
1.93 schwarze 713: p->trailspace = 0;
1.137 schwarze 714: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 715: break;
716: default:
717: break;
718: }
1.1 kristaps 719:
1.138 schwarze 720: return 1;
1.11 schwarze 721: }
1.1 kristaps 722:
1.11 schwarze 723: static void
724: post_TP(DECL_ARGS)
725: {
1.1 kristaps 726:
1.11 schwarze 727: switch (n->type) {
1.124 schwarze 728: case ROFFT_HEAD:
1.11 schwarze 729: term_flushln(p);
730: break;
1.124 schwarze 731: case ROFFT_BODY:
1.57 schwarze 732: term_newln(p);
1.92 schwarze 733: p->offset = mt->offset;
1.11 schwarze 734: break;
735: default:
736: break;
737: }
1.1 kristaps 738: }
739:
740: static int
741: pre_SS(DECL_ARGS)
742: {
1.88 schwarze 743: int i;
1.1 kristaps 744:
1.11 schwarze 745: switch (n->type) {
1.124 schwarze 746: case ROFFT_BLOCK:
1.69 schwarze 747: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 748: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
749: mt->offset = term_len(p, p->defindent);
1.111 schwarze 750:
751: /*
752: * No vertical space before the first subsection
753: * and after an empty subsection.
754: */
755:
756: do {
757: n = n->prev;
1.135 schwarze 758: } while (n != NULL && n->tok != TOKEN_NONE &&
1.123 schwarze 759: termacts[n->tok].flags & MAN_NOTEXT);
1.111 schwarze 760: if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 761: break;
1.111 schwarze 762:
1.88 schwarze 763: for (i = 0; i < mt->pardist; i++)
764: term_vspace(p);
1.11 schwarze 765: break;
1.124 schwarze 766: case ROFFT_HEAD:
1.21 schwarze 767: term_fontrepl(p, TERMFONT_BOLD);
1.87 schwarze 768: p->offset = term_len(p, 3);
1.129 schwarze 769: p->rmargin = mt->offset;
770: p->trailspace = mt->offset;
771: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 772: break;
1.124 schwarze 773: case ROFFT_BODY:
1.13 schwarze 774: p->offset = mt->offset;
1.129 schwarze 775: p->rmargin = p->maxrmargin;
776: p->trailspace = 0;
777: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 778: break;
779: default:
780: break;
781: }
782:
1.138 schwarze 783: return 1;
1.1 kristaps 784: }
785:
786: static void
787: post_SS(DECL_ARGS)
788: {
1.100 schwarze 789:
1.11 schwarze 790: switch (n->type) {
1.124 schwarze 791: case ROFFT_HEAD:
1.11 schwarze 792: term_newln(p);
793: break;
1.124 schwarze 794: case ROFFT_BODY:
1.11 schwarze 795: term_newln(p);
796: break;
797: default:
798: break;
799: }
1.1 kristaps 800: }
801:
802: static int
803: pre_SH(DECL_ARGS)
804: {
1.88 schwarze 805: int i;
1.1 kristaps 806:
1.11 schwarze 807: switch (n->type) {
1.124 schwarze 808: case ROFFT_BLOCK:
1.69 schwarze 809: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 810: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
811: mt->offset = term_len(p, p->defindent);
1.111 schwarze 812:
813: /*
814: * No vertical space before the first section
815: * and after an empty section.
816: */
817:
818: do {
819: n = n->prev;
820: } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
821: if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 822: break;
1.111 schwarze 823:
1.88 schwarze 824: for (i = 0; i < mt->pardist; i++)
825: term_vspace(p);
1.11 schwarze 826: break;
1.124 schwarze 827: case ROFFT_HEAD:
1.21 schwarze 828: term_fontrepl(p, TERMFONT_BOLD);
1.11 schwarze 829: p->offset = 0;
1.129 schwarze 830: p->rmargin = mt->offset;
831: p->trailspace = mt->offset;
832: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 833: break;
1.124 schwarze 834: case ROFFT_BODY:
1.13 schwarze 835: p->offset = mt->offset;
1.129 schwarze 836: p->rmargin = p->maxrmargin;
837: p->trailspace = 0;
838: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 839: break;
840: default:
841: break;
842: }
843:
1.138 schwarze 844: return 1;
1.1 kristaps 845: }
846:
847: static void
848: post_SH(DECL_ARGS)
849: {
1.100 schwarze 850:
1.11 schwarze 851: switch (n->type) {
1.124 schwarze 852: case ROFFT_HEAD:
1.11 schwarze 853: term_newln(p);
854: break;
1.124 schwarze 855: case ROFFT_BODY:
1.11 schwarze 856: term_newln(p);
857: break;
858: default:
1.13 schwarze 859: break;
860: }
861: }
862:
863: static int
864: pre_RS(DECL_ARGS)
865: {
1.116 schwarze 866: struct roffsu su;
1.13 schwarze 867:
868: switch (n->type) {
1.124 schwarze 869: case ROFFT_BLOCK:
1.13 schwarze 870: term_newln(p);
1.138 schwarze 871: return 1;
1.124 schwarze 872: case ROFFT_HEAD:
1.138 schwarze 873: return 0;
1.13 schwarze 874: default:
875: break;
876: }
877:
1.118 schwarze 878: n = n->parent->head;
879: n->aux = SHRT_MAX + 1;
1.130 schwarze 880: if (n->child == NULL)
881: n->aux = mt->lmargin[mt->lmargincur];
882: else if (a2roffsu(n->child->string, &su, SCALE_EN))
1.128 schwarze 883: n->aux = term_hspan(p, &su) / 24;
1.118 schwarze 884: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
885: n->aux = -mt->offset;
886: else if (n->aux > SHRT_MAX)
887: n->aux = term_len(p, p->defindent);
1.13 schwarze 888:
1.118 schwarze 889: mt->offset += n->aux;
1.94 schwarze 890: p->offset = mt->offset;
1.109 schwarze 891: p->rmargin = p->maxrmargin;
1.13 schwarze 892:
1.70 schwarze 893: if (++mt->lmarginsz < MAXMARGINS)
894: mt->lmargincur = mt->lmarginsz;
895:
1.131 schwarze 896: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 897: return 1;
1.13 schwarze 898: }
899:
900: static void
901: post_RS(DECL_ARGS)
902: {
903:
904: switch (n->type) {
1.124 schwarze 905: case ROFFT_BLOCK:
1.69 schwarze 906: return;
1.124 schwarze 907: case ROFFT_HEAD:
1.69 schwarze 908: return;
1.13 schwarze 909: default:
910: term_newln(p);
1.11 schwarze 911: break;
912: }
1.69 schwarze 913:
1.118 schwarze 914: mt->offset -= n->parent->head->aux;
1.69 schwarze 915: p->offset = mt->offset;
1.70 schwarze 916:
917: if (--mt->lmarginsz < MAXMARGINS)
918: mt->lmargincur = mt->lmarginsz;
1.91 schwarze 919: }
920:
921: static int
922: pre_UR(DECL_ARGS)
923: {
924:
1.138 schwarze 925: return n->type != ROFFT_HEAD;
1.91 schwarze 926: }
927:
928: static void
929: post_UR(DECL_ARGS)
930: {
931:
1.124 schwarze 932: if (n->type != ROFFT_BLOCK)
1.91 schwarze 933: return;
934:
935: term_word(p, "<");
936: p->flags |= TERMP_NOSPACE;
937:
938: if (NULL != n->child->child)
939: print_man_node(p, mt, n->child->child, meta);
940:
941: p->flags |= TERMP_NOSPACE;
942: term_word(p, ">");
1.47 schwarze 943: }
944:
1.1 kristaps 945: static void
1.19 schwarze 946: print_man_node(DECL_ARGS)
1.1 kristaps 947: {
1.32 schwarze 948: size_t rm, rmax;
1.21 schwarze 949: int c;
1.1 kristaps 950:
951: switch (n->type) {
1.124 schwarze 952: case ROFFT_TEXT:
1.61 schwarze 953: /*
954: * If we have a blank line, output a vertical space.
955: * If we have a space as the first character, break
956: * before printing the line's data.
957: */
1.60 schwarze 958: if ('\0' == *n->string) {
1.1 kristaps 959: term_vspace(p);
1.61 schwarze 960: return;
1.141 ! schwarze 961: } else if (' ' == *n->string && NODE_LINE & n->flags)
1.60 schwarze 962: term_newln(p);
1.21 schwarze 963:
1.1 kristaps 964: term_word(p, n->string);
1.84 schwarze 965: goto out;
1.21 schwarze 966:
1.124 schwarze 967: case ROFFT_EQN:
1.141 ! schwarze 968: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 969: p->flags |= TERMP_NOSPACE;
1.71 schwarze 970: term_eqn(p, n->eqn);
1.141 ! schwarze 971: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 972: p->flags |= TERMP_NOSPACE;
1.61 schwarze 973: return;
1.124 schwarze 974: case ROFFT_TBL:
1.122 schwarze 975: if (p->tbl.cols == NULL)
976: term_vspace(p);
1.58 schwarze 977: term_tbl(p, n->span);
1.61 schwarze 978: return;
1.1 kristaps 979: default:
980: break;
981: }
982:
1.61 schwarze 983: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
984: term_fontrepl(p, TERMFONT_NONE);
985:
986: c = 1;
987: if (termacts[n->tok].pre)
1.89 schwarze 988: c = (*termacts[n->tok].pre)(p, mt, n, meta);
1.61 schwarze 989:
1.1 kristaps 990: if (c && n->child)
1.89 schwarze 991: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 992:
1.61 schwarze 993: if (termacts[n->tok].post)
1.89 schwarze 994: (*termacts[n->tok].post)(p, mt, n, meta);
1.61 schwarze 995: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
996: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 997:
1.84 schwarze 998: out:
999: /*
1000: * If we're in a literal context, make sure that words
1001: * together on the same line stay together. This is a
1002: * POST-printing call, so we check the NEXT word. Since
1003: * -man doesn't have nested macros, we don't need to be
1004: * more specific than this.
1005: */
1.110 schwarze 1006: if (mt->fl & MANT_LITERAL &&
1007: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 ! schwarze 1008: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.84 schwarze 1009: rm = p->rmargin;
1010: rmax = p->maxrmargin;
1011: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1012: p->flags |= TERMP_NOSPACE;
1.110 schwarze 1013: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1014: term_flushln(p);
1015: else
1016: term_newln(p);
1017: if (rm < rmax && n->parent->tok == MAN_HP) {
1018: p->offset = rm;
1019: p->rmargin = rmax;
1020: } else
1021: p->rmargin = rm;
1022: p->maxrmargin = rmax;
1023: }
1.141 ! schwarze 1024: if (NODE_EOS & n->flags)
1.30 schwarze 1025: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1026: }
1027:
1028:
1029: static void
1.21 schwarze 1030: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1031: {
1.11 schwarze 1032:
1.121 schwarze 1033: while (n != NULL) {
1034: print_man_node(p, mt, n, meta);
1035: n = n->next;
1036: }
1.1 kristaps 1037: }
1038:
1039: static void
1.126 schwarze 1040: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1041: {
1.101 schwarze 1042: char *title;
1.109 schwarze 1043: size_t datelen, titlen;
1.41 schwarze 1044:
1.80 schwarze 1045: assert(meta->title);
1046: assert(meta->msec);
1047: assert(meta->date);
1.21 schwarze 1048:
1049: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1050:
1.103 schwarze 1051: if (meta->hasbody)
1052: term_vspace(p);
1.81 schwarze 1053:
1054: /*
1055: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1056: * In the bottom right corner, use the operating system
1057: * instead of the title.
1.81 schwarze 1058: */
1059:
1.79 schwarze 1060: if ( ! p->mdocstyle) {
1.103 schwarze 1061: if (meta->hasbody) {
1062: term_vspace(p);
1063: term_vspace(p);
1064: }
1.101 schwarze 1065: mandoc_asprintf(&title, "%s(%s)",
1066: meta->title, meta->msec);
1.126 schwarze 1067: } else if (meta->os) {
1068: title = mandoc_strdup(meta->os);
1.79 schwarze 1069: } else {
1.101 schwarze 1070: title = mandoc_strdup("");
1.79 schwarze 1071: }
1.78 schwarze 1072: datelen = term_strlen(p, meta->date);
1.1 kristaps 1073:
1.126 schwarze 1074: /* Bottom left corner: operating system. */
1.81 schwarze 1075:
1.1 kristaps 1076: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1077: p->trailspace = 1;
1.1 kristaps 1078: p->offset = 0;
1.109 schwarze 1079: p->rmargin = p->maxrmargin > datelen ?
1080: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1081:
1.126 schwarze 1082: if (meta->os)
1083: term_word(p, meta->os);
1.1 kristaps 1084: term_flushln(p);
1085:
1.81 schwarze 1086: /* At the bottom in the middle: manual date. */
1087:
1.109 schwarze 1088: p->offset = p->rmargin;
1089: titlen = term_strlen(p, title);
1090: p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
1.72 schwarze 1091: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1092:
1093: term_word(p, meta->date);
1094: term_flushln(p);
1095:
1.81 schwarze 1096: /* Bottom right corner: manual title and section. */
1097:
1.78 schwarze 1098: p->flags &= ~TERMP_NOBREAK;
1099: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1100: p->trailspace = 0;
1.78 schwarze 1101: p->offset = p->rmargin;
1.1 kristaps 1102: p->rmargin = p->maxrmargin;
1103:
1.78 schwarze 1104: term_word(p, title);
1.1 kristaps 1105: term_flushln(p);
1.101 schwarze 1106: free(title);
1.1 kristaps 1107: }
1108:
1109: static void
1.126 schwarze 1110: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1111: {
1.102 schwarze 1112: const char *volume;
1.101 schwarze 1113: char *title;
1.102 schwarze 1114: size_t vollen, titlen;
1.41 schwarze 1115:
1.89 schwarze 1116: assert(meta->title);
1117: assert(meta->msec);
1.1 kristaps 1118:
1.102 schwarze 1119: volume = NULL == meta->vol ? "" : meta->vol;
1120: vollen = term_strlen(p, volume);
1.1 kristaps 1121:
1.81 schwarze 1122: /* Top left corner: manual title and section. */
1123:
1.101 schwarze 1124: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1125: titlen = term_strlen(p, title);
1.1 kristaps 1126:
1.73 schwarze 1127: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1128: p->trailspace = 1;
1.1 kristaps 1129: p->offset = 0;
1.102 schwarze 1130: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1131: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1132: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1133:
1134: term_word(p, title);
1135: term_flushln(p);
1136:
1.81 schwarze 1137: /* At the top in the middle: manual volume. */
1138:
1.72 schwarze 1139: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1140: p->offset = p->rmargin;
1.102 schwarze 1141: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.25 schwarze 1142: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1143:
1.102 schwarze 1144: term_word(p, volume);
1.1 kristaps 1145: term_flushln(p);
1146:
1.81 schwarze 1147: /* Top right corner: title and section, again. */
1148:
1.1 kristaps 1149: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1150: p->trailspace = 0;
1.25 schwarze 1151: if (p->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1152: p->flags |= TERMP_NOSPACE;
1.25 schwarze 1153: p->offset = p->rmargin;
1154: p->rmargin = p->maxrmargin;
1155: term_word(p, title);
1156: term_flushln(p);
1157: }
1.1 kristaps 1158:
1.73 schwarze 1159: p->flags &= ~TERMP_NOSPACE;
1160: p->offset = 0;
1.1 kristaps 1161: p->rmargin = p->maxrmargin;
1.29 schwarze 1162:
1.100 schwarze 1163: /*
1.81 schwarze 1164: * Groff prints three blank lines before the content.
1165: * Do the same, except in the temporary, undocumented
1166: * mode imitating mdoc(7) output.
1.29 schwarze 1167: */
1168:
1169: term_vspace(p);
1.79 schwarze 1170: if ( ! p->mdocstyle) {
1171: term_vspace(p);
1172: term_vspace(p);
1173: }
1.101 schwarze 1174: free(title);
1.1 kristaps 1175: }
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