Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.147
1.147 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.146 2017/05/04 17:48:24 schwarze Exp $ */
1.1 kristaps 2: /*
1.84 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.142 schwarze 4: * Copyright (c) 2010-2015, 2017 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:
1.145 schwarze 96: static const struct termact __termacts[MAN_MAX - MAN_TH] = {
1.26 schwarze 97: { NULL, NULL, 0 }, /* TH */
98: { pre_SH, post_SH, 0 }, /* SH */
99: { pre_SS, post_SS, 0 }, /* SS */
100: { pre_TP, post_TP, 0 }, /* TP */
101: { pre_PP, NULL, 0 }, /* LP */
102: { pre_PP, NULL, 0 }, /* PP */
103: { pre_PP, NULL, 0 }, /* P */
104: { pre_IP, post_IP, 0 }, /* IP */
1.100 schwarze 105: { pre_HP, post_HP, 0 }, /* HP */
1.26 schwarze 106: { NULL, NULL, 0 }, /* SM */
107: { pre_B, NULL, 0 }, /* SB */
1.51 schwarze 108: { pre_alternate, NULL, 0 }, /* BI */
109: { pre_alternate, NULL, 0 }, /* IB */
110: { pre_alternate, NULL, 0 }, /* BR */
111: { pre_alternate, NULL, 0 }, /* RB */
1.26 schwarze 112: { NULL, NULL, 0 }, /* R */
113: { pre_B, NULL, 0 }, /* B */
114: { pre_I, NULL, 0 }, /* I */
1.51 schwarze 115: { pre_alternate, NULL, 0 }, /* IR */
116: { pre_alternate, NULL, 0 }, /* RI */
1.26 schwarze 117: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.45 schwarze 118: { pre_literal, NULL, 0 }, /* nf */
119: { pre_literal, NULL, 0 }, /* fi */
1.26 schwarze 120: { NULL, NULL, 0 }, /* RE */
121: { pre_RS, post_RS, 0 }, /* RS */
122: { pre_ign, NULL, 0 }, /* DT */
1.111 schwarze 123: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.88 schwarze 124: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.36 schwarze 125: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 126: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.52 schwarze 127: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.82 schwarze 128: { pre_OP, NULL, 0 }, /* OP */
1.83 schwarze 129: { pre_literal, NULL, 0 }, /* EX */
130: { pre_literal, NULL, 0 }, /* EE */
1.91 schwarze 131: { pre_UR, post_UR, 0 }, /* UR */
132: { NULL, NULL, 0 }, /* UE */
1.97 schwarze 133: { pre_ll, NULL, MAN_NOTEXT }, /* ll */
1.1 kristaps 134: };
1.145 schwarze 135: static const struct termact *termacts = __termacts - MAN_TH;
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;
1.142 schwarze 144: size_t save_defindent;
1.18 schwarze 145:
146: p = (struct termp *)arg;
1.39 schwarze 147: p->overstep = 0;
1.104 schwarze 148: p->rmargin = p->maxrmargin = p->defrmargin;
1.42 schwarze 149: p->tabwidth = term_len(p, 5);
1.18 schwarze 150:
1.70 schwarze 151: memset(&mt, 0, sizeof(struct mtermp));
1.77 schwarze 152: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
153: mt.offset = term_len(p, p->defindent);
1.88 schwarze 154: mt.pardist = 1;
1.11 schwarze 155:
1.134 schwarze 156: n = man->first->child;
1.104 schwarze 157: if (p->synopsisonly) {
158: while (n != NULL) {
159: if (n->tok == MAN_SH &&
1.124 schwarze 160: n->child->child->type == ROFFT_TEXT &&
1.104 schwarze 161: !strcmp(n->child->child->string, "SYNOPSIS")) {
162: if (n->child->next->child != NULL)
163: print_man_nodelist(p, &mt,
1.134 schwarze 164: n->child->next->child,
165: &man->meta);
1.104 schwarze 166: term_newln(p);
167: break;
168: }
169: n = n->next;
170: }
171: } else {
1.142 schwarze 172: save_defindent = p->defindent;
1.104 schwarze 173: if (p->defindent == 0)
174: p->defindent = 7;
1.134 schwarze 175: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.104 schwarze 176: p->flags |= TERMP_NOSPACE;
177: if (n != NULL)
1.134 schwarze 178: print_man_nodelist(p, &mt, n, &man->meta);
1.104 schwarze 179: term_end(p);
1.142 schwarze 180: p->defindent = save_defindent;
1.104 schwarze 181: }
1.1 kristaps 182: }
183:
1.69 schwarze 184: /*
185: * Printing leading vertical space before a block.
186: * This is used for the paragraph macros.
187: * The rules are pretty simple, since there's very little nesting going
188: * on here. Basically, if we're the first within another block (SS/SH),
189: * then don't emit vertical space. If we are (RS), then do. If not the
190: * first, print it.
191: */
1.18 schwarze 192: static void
1.125 schwarze 193: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 schwarze 194: {
1.88 schwarze 195: int i;
1.69 schwarze 196:
1.18 schwarze 197: term_newln(p);
1.64 schwarze 198:
1.69 schwarze 199: if (n->body && n->body->child)
1.124 schwarze 200: if (n->body->child->type == ROFFT_TBL)
1.69 schwarze 201: return;
1.11 schwarze 202:
1.124 schwarze 203: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.69 schwarze 204: if (NULL == n->prev)
205: return;
1.11 schwarze 206:
1.88 schwarze 207: for (i = 0; i < pardist; i++)
208: term_vspace(p);
1.14 schwarze 209: }
210:
1.100 schwarze 211:
1.14 schwarze 212: static int
213: pre_ign(DECL_ARGS)
214: {
215:
1.138 schwarze 216: return 0;
1.97 schwarze 217: }
218:
219: static int
220: pre_ll(DECL_ARGS)
221: {
222:
1.140 schwarze 223: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.138 schwarze 224: return 0;
1.11 schwarze 225: }
226:
1.1 kristaps 227: static int
228: pre_I(DECL_ARGS)
229: {
230:
1.21 schwarze 231: term_fontrepl(p, TERMFONT_UNDER);
1.138 schwarze 232: return 1;
1.1 kristaps 233: }
234:
1.11 schwarze 235: static int
1.45 schwarze 236: pre_literal(DECL_ARGS)
1.11 schwarze 237: {
238:
1.45 schwarze 239: term_newln(p);
1.53 schwarze 240:
1.83 schwarze 241: if (MAN_nf == n->tok || MAN_EX == n->tok)
1.45 schwarze 242: mt->fl |= MANT_LITERAL;
1.53 schwarze 243: else
1.45 schwarze 244: mt->fl &= ~MANT_LITERAL;
245:
1.72 schwarze 246: /*
247: * Unlike .IP and .TP, .HP does not have a HEAD.
248: * So in case a second call to term_flushln() is needed,
249: * indentation has to be set up explicitly.
250: */
251: if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
1.76 schwarze 252: p->offset = p->rmargin;
1.72 schwarze 253: p->rmargin = p->maxrmargin;
1.93 schwarze 254: p->trailspace = 0;
1.99 schwarze 255: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.72 schwarze 256: p->flags |= TERMP_NOSPACE;
257: }
258:
1.138 schwarze 259: return 0;
1.11 schwarze 260: }
261:
262: static int
1.88 schwarze 263: pre_PD(DECL_ARGS)
264: {
1.113 schwarze 265: struct roffsu su;
1.88 schwarze 266:
267: n = n->child;
1.113 schwarze 268: if (n == NULL) {
1.88 schwarze 269: mt->pardist = 1;
1.138 schwarze 270: return 0;
1.88 schwarze 271: }
1.124 schwarze 272: assert(n->type == ROFFT_TEXT);
1.113 schwarze 273: if (a2roffsu(n->string, &su, SCALE_VS))
274: mt->pardist = term_vspan(p, &su);
1.138 schwarze 275: return 0;
1.88 schwarze 276: }
277:
278: static int
1.51 schwarze 279: pre_alternate(DECL_ARGS)
1.1 kristaps 280: {
1.51 schwarze 281: enum termfont font[2];
1.125 schwarze 282: struct roff_node *nn;
1.51 schwarze 283: int savelit, i;
1.1 kristaps 284:
1.51 schwarze 285: switch (n->tok) {
1.100 schwarze 286: case MAN_RB:
1.51 schwarze 287: font[0] = TERMFONT_NONE;
288: font[1] = TERMFONT_BOLD;
289: break;
1.100 schwarze 290: case MAN_RI:
1.51 schwarze 291: font[0] = TERMFONT_NONE;
292: font[1] = TERMFONT_UNDER;
293: break;
1.100 schwarze 294: case MAN_BR:
1.51 schwarze 295: font[0] = TERMFONT_BOLD;
296: font[1] = TERMFONT_NONE;
297: break;
1.100 schwarze 298: case MAN_BI:
1.51 schwarze 299: font[0] = TERMFONT_BOLD;
300: font[1] = TERMFONT_UNDER;
301: break;
1.100 schwarze 302: case MAN_IR:
1.51 schwarze 303: font[0] = TERMFONT_UNDER;
304: font[1] = TERMFONT_NONE;
305: break;
1.100 schwarze 306: case MAN_IB:
1.51 schwarze 307: font[0] = TERMFONT_UNDER;
308: font[1] = TERMFONT_BOLD;
309: break;
310: default:
311: abort();
312: }
1.17 schwarze 313:
1.51 schwarze 314: savelit = MANT_LITERAL & mt->fl;
315: mt->fl &= ~MANT_LITERAL;
1.17 schwarze 316:
1.51 schwarze 317: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
318: term_fontrepl(p, font[i]);
319: if (savelit && NULL == nn->next)
320: mt->fl |= MANT_LITERAL;
1.132 schwarze 321: assert(nn->type == ROFFT_TEXT);
322: term_word(p, nn->string);
1.141 schwarze 323: if (nn->flags & NODE_EOS)
1.132 schwarze 324: p->flags |= TERMP_SENTENCE;
1.51 schwarze 325: if (nn->next)
1.1 kristaps 326: p->flags |= TERMP_NOSPACE;
327: }
1.17 schwarze 328:
1.138 schwarze 329: return 0;
1.1 kristaps 330: }
331:
332: static int
333: pre_B(DECL_ARGS)
334: {
335:
1.21 schwarze 336: term_fontrepl(p, TERMFONT_BOLD);
1.138 schwarze 337: return 1;
1.82 schwarze 338: }
339:
340: static int
341: pre_OP(DECL_ARGS)
342: {
343:
344: term_word(p, "[");
345: p->flags |= TERMP_NOSPACE;
346:
347: if (NULL != (n = n->child)) {
348: term_fontrepl(p, TERMFONT_BOLD);
349: term_word(p, n->string);
350: }
351: if (NULL != n && NULL != n->next) {
352: term_fontrepl(p, TERMFONT_UNDER);
353: term_word(p, n->next->string);
354: }
355:
356: term_fontrepl(p, TERMFONT_NONE);
357: p->flags |= TERMP_NOSPACE;
358: term_word(p, "]");
1.138 schwarze 359: return 0;
1.52 schwarze 360: }
361:
362: static int
363: pre_ft(DECL_ARGS)
364: {
365: const char *cp;
366:
367: if (NULL == n->child) {
368: term_fontlast(p);
1.138 schwarze 369: return 0;
1.52 schwarze 370: }
371:
372: cp = n->child->string;
373: switch (*cp) {
1.100 schwarze 374: case '4':
375: case '3':
376: case 'B':
1.52 schwarze 377: term_fontrepl(p, TERMFONT_BOLD);
378: break;
1.100 schwarze 379: case '2':
380: case 'I':
1.52 schwarze 381: term_fontrepl(p, TERMFONT_UNDER);
382: break;
1.100 schwarze 383: case 'P':
1.52 schwarze 384: term_fontlast(p);
385: break;
1.100 schwarze 386: case '1':
387: case 'C':
388: case 'R':
1.52 schwarze 389: term_fontrepl(p, TERMFONT_NONE);
390: break;
391: default:
392: break;
393: }
1.138 schwarze 394: return 0;
1.1 kristaps 395: }
396:
397: static int
1.45 schwarze 398: pre_in(DECL_ARGS)
1.11 schwarze 399: {
1.116 schwarze 400: struct roffsu su;
401: const char *cp;
1.45 schwarze 402: size_t v;
1.116 schwarze 403: int less;
1.45 schwarze 404:
405: term_newln(p);
406:
407: if (NULL == n->child) {
408: p->offset = mt->offset;
1.138 schwarze 409: return 0;
1.45 schwarze 410: }
1.11 schwarze 411:
1.45 schwarze 412: cp = n->child->string;
413: less = 0;
1.11 schwarze 414:
1.45 schwarze 415: if ('-' == *cp)
416: less = -1;
417: else if ('+' == *cp)
418: less = 1;
419: else
420: cp--;
421:
1.116 schwarze 422: if ( ! a2roffsu(++cp, &su, SCALE_EN))
1.138 schwarze 423: return 0;
1.45 schwarze 424:
1.128 schwarze 425: v = (term_hspan(p, &su) + 11) / 24;
1.45 schwarze 426:
427: if (less < 0)
428: p->offset -= p->offset > v ? v : p->offset;
429: else if (less > 0)
430: p->offset += v;
1.100 schwarze 431: else
1.45 schwarze 432: p->offset = v;
1.117 schwarze 433: if (p->offset > SHRT_MAX)
434: p->offset = term_len(p, p->defindent);
1.59 schwarze 435:
1.138 schwarze 436: return 0;
1.11 schwarze 437: }
438:
439: static int
1.45 schwarze 440: pre_sp(DECL_ARGS)
1.8 schwarze 441: {
1.115 schwarze 442: struct roffsu su;
1.116 schwarze 443: int i, len;
1.45 schwarze 444:
1.69 schwarze 445: if ((NULL == n->prev && n->parent)) {
1.86 schwarze 446: switch (n->parent->tok) {
1.100 schwarze 447: case MAN_SH:
448: case MAN_SS:
449: case MAN_PP:
450: case MAN_LP:
451: case MAN_P:
1.138 schwarze 452: return 0;
1.86 schwarze 453: default:
454: break;
455: }
1.69 schwarze 456: }
457:
1.147 ! schwarze 458: if (n->child == NULL)
1.116 schwarze 459: len = 1;
460: else {
461: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1.115 schwarze 462: su.scale = 1.0;
463: len = term_vspan(p, &su);
1.45 schwarze 464: }
465:
1.116 schwarze 466: if (len == 0)
1.45 schwarze 467: term_newln(p);
1.116 schwarze 468: else if (len < 0)
469: p->skipvsp -= len;
1.85 schwarze 470: else
471: for (i = 0; i < len; i++)
472: term_vspace(p);
1.136 schwarze 473:
474: /*
475: * Handle an explicit break request in the same way
476: * as an overflowing line.
477: */
478:
479: if (p->flags & TERMP_BRIND) {
480: p->offset = p->rmargin;
481: p->rmargin = p->maxrmargin;
482: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
483: }
1.8 schwarze 484:
1.138 schwarze 485: return 0;
1.8 schwarze 486: }
487:
488: static int
1.11 schwarze 489: pre_HP(DECL_ARGS)
490: {
1.116 schwarze 491: struct roffsu su;
1.125 schwarze 492: const struct roff_node *nn;
1.116 schwarze 493: int len;
1.11 schwarze 494:
495: switch (n->type) {
1.124 schwarze 496: case ROFFT_BLOCK:
1.88 schwarze 497: print_bvspace(p, n, mt->pardist);
1.138 schwarze 498: return 1;
1.124 schwarze 499: case ROFFT_BODY:
1.11 schwarze 500: break;
501: default:
1.138 schwarze 502: return 0;
1.11 schwarze 503: }
504:
1.84 schwarze 505: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 506: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 507: p->trailspace = 2;
1.84 schwarze 508: }
509:
1.11 schwarze 510: /* Calculate offset. */
511:
1.116 schwarze 512: if ((nn = n->parent->head->child) != NULL &&
513: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 514: len = term_hspan(p, &su) / 24;
1.117 schwarze 515: if (len < 0 && (size_t)(-len) > mt->offset)
516: len = -mt->offset;
517: else if (len > SHRT_MAX)
518: len = term_len(p, p->defindent);
1.116 schwarze 519: mt->lmargin[mt->lmargincur] = len;
520: } else
521: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 522:
1.13 schwarze 523: p->offset = mt->offset;
1.117 schwarze 524: p->rmargin = mt->offset + len;
1.138 schwarze 525: return 1;
1.11 schwarze 526: }
527:
528: static void
529: post_HP(DECL_ARGS)
530: {
531:
532: switch (n->type) {
1.124 schwarze 533: case ROFFT_BODY:
1.90 schwarze 534: term_newln(p);
1.127 schwarze 535:
536: /*
537: * Compatibility with a groff bug.
538: * The .HP macro uses the undocumented .tag request
539: * which causes a line break and cancels no-space
540: * mode even if there isn't any output.
541: */
542:
543: if (n->child == NULL)
544: term_vspace(p);
545:
1.99 schwarze 546: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 547: p->trailspace = 0;
1.13 schwarze 548: p->offset = mt->offset;
1.11 schwarze 549: p->rmargin = p->maxrmargin;
550: break;
551: default:
552: break;
553: }
554: }
555:
556: static int
1.1 kristaps 557: pre_PP(DECL_ARGS)
558: {
559:
1.11 schwarze 560: switch (n->type) {
1.124 schwarze 561: case ROFFT_BLOCK:
1.77 schwarze 562: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 563: print_bvspace(p, n, mt->pardist);
1.11 schwarze 564: break;
565: default:
1.13 schwarze 566: p->offset = mt->offset;
1.11 schwarze 567: break;
568: }
569:
1.138 schwarze 570: return n->type != ROFFT_HEAD;
1.1 kristaps 571: }
572:
573: static int
574: pre_IP(DECL_ARGS)
575: {
1.116 schwarze 576: struct roffsu su;
1.125 schwarze 577: const struct roff_node *nn;
1.116 schwarze 578: int len, savelit;
1.11 schwarze 579:
580: switch (n->type) {
1.124 schwarze 581: case ROFFT_BODY:
1.11 schwarze 582: p->flags |= TERMP_NOSPACE;
583: break;
1.124 schwarze 584: case ROFFT_HEAD:
1.11 schwarze 585: p->flags |= TERMP_NOBREAK;
1.93 schwarze 586: p->trailspace = 1;
1.11 schwarze 587: break;
1.124 schwarze 588: case ROFFT_BLOCK:
1.88 schwarze 589: print_bvspace(p, n, mt->pardist);
1.11 schwarze 590: /* FALLTHROUGH */
591: default:
1.138 schwarze 592: return 1;
1.11 schwarze 593: }
594:
1.57 schwarze 595: /* Calculate the offset from the optional second argument. */
1.116 schwarze 596: if ((nn = n->parent->head->child) != NULL &&
597: (nn = nn->next) != NULL &&
598: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 599: len = term_hspan(p, &su) / 24;
1.116 schwarze 600: if (len < 0 && (size_t)(-len) > mt->offset)
601: len = -mt->offset;
1.117 schwarze 602: else if (len > SHRT_MAX)
603: len = term_len(p, p->defindent);
604: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 605: } else
606: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 607:
608: switch (n->type) {
1.124 schwarze 609: case ROFFT_HEAD:
1.13 schwarze 610: p->offset = mt->offset;
611: p->rmargin = mt->offset + len;
1.11 schwarze 612:
1.57 schwarze 613: savelit = MANT_LITERAL & mt->fl;
614: mt->fl &= ~MANT_LITERAL;
615:
616: if (n->child)
1.89 schwarze 617: print_man_node(p, mt, n->child, meta);
1.57 schwarze 618:
619: if (savelit)
620: mt->fl |= MANT_LITERAL;
621:
1.138 schwarze 622: return 0;
1.124 schwarze 623: case ROFFT_BODY:
1.13 schwarze 624: p->offset = mt->offset + len;
1.109 schwarze 625: p->rmargin = p->maxrmargin;
1.11 schwarze 626: break;
627: default:
628: break;
629: }
1.1 kristaps 630:
1.138 schwarze 631: return 1;
1.11 schwarze 632: }
1.1 kristaps 633:
1.11 schwarze 634: static void
635: post_IP(DECL_ARGS)
636: {
1.4 schwarze 637:
1.11 schwarze 638: switch (n->type) {
1.124 schwarze 639: case ROFFT_HEAD:
1.11 schwarze 640: term_flushln(p);
641: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 642: p->trailspace = 0;
1.11 schwarze 643: p->rmargin = p->maxrmargin;
644: break;
1.124 schwarze 645: case ROFFT_BODY:
1.57 schwarze 646: term_newln(p);
1.92 schwarze 647: p->offset = mt->offset;
1.11 schwarze 648: break;
649: default:
650: break;
651: }
1.1 kristaps 652: }
653:
654: static int
655: pre_TP(DECL_ARGS)
656: {
1.116 schwarze 657: struct roffsu su;
1.125 schwarze 658: struct roff_node *nn;
1.116 schwarze 659: int len, savelit;
1.11 schwarze 660:
661: switch (n->type) {
1.124 schwarze 662: case ROFFT_HEAD:
1.137 schwarze 663: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 664: p->trailspace = 1;
1.11 schwarze 665: break;
1.124 schwarze 666: case ROFFT_BODY:
1.11 schwarze 667: p->flags |= TERMP_NOSPACE;
668: break;
1.124 schwarze 669: case ROFFT_BLOCK:
1.88 schwarze 670: print_bvspace(p, n, mt->pardist);
1.11 schwarze 671: /* FALLTHROUGH */
672: default:
1.138 schwarze 673: return 1;
1.11 schwarze 674: }
675:
676: /* Calculate offset. */
1.1 kristaps 677:
1.116 schwarze 678: if ((nn = n->parent->head->child) != NULL &&
1.141 schwarze 679: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.116 schwarze 680: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 681: len = term_hspan(p, &su) / 24;
1.116 schwarze 682: if (len < 0 && (size_t)(-len) > mt->offset)
683: len = -mt->offset;
1.117 schwarze 684: else if (len > SHRT_MAX)
685: len = term_len(p, p->defindent);
686: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 687: } else
688: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 689:
1.11 schwarze 690: switch (n->type) {
1.124 schwarze 691: case ROFFT_HEAD:
1.13 schwarze 692: p->offset = mt->offset;
693: p->rmargin = mt->offset + len;
1.11 schwarze 694:
1.57 schwarze 695: savelit = MANT_LITERAL & mt->fl;
696: mt->fl &= ~MANT_LITERAL;
697:
1.11 schwarze 698: /* Don't print same-line elements. */
1.95 schwarze 699: nn = n->child;
1.141 schwarze 700: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.95 schwarze 701: nn = nn->next;
702:
703: while (NULL != nn) {
704: print_man_node(p, mt, nn, meta);
705: nn = nn->next;
706: }
1.11 schwarze 707:
1.57 schwarze 708: if (savelit)
709: mt->fl |= MANT_LITERAL;
1.138 schwarze 710: return 0;
1.124 schwarze 711: case ROFFT_BODY:
1.13 schwarze 712: p->offset = mt->offset + len;
1.109 schwarze 713: p->rmargin = p->maxrmargin;
1.93 schwarze 714: p->trailspace = 0;
1.137 schwarze 715: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 716: break;
717: default:
718: break;
719: }
1.1 kristaps 720:
1.138 schwarze 721: return 1;
1.11 schwarze 722: }
1.1 kristaps 723:
1.11 schwarze 724: static void
725: post_TP(DECL_ARGS)
726: {
1.1 kristaps 727:
1.11 schwarze 728: switch (n->type) {
1.124 schwarze 729: case ROFFT_HEAD:
1.11 schwarze 730: term_flushln(p);
731: break;
1.124 schwarze 732: case ROFFT_BODY:
1.57 schwarze 733: term_newln(p);
1.92 schwarze 734: p->offset = mt->offset;
1.11 schwarze 735: break;
736: default:
737: break;
738: }
1.1 kristaps 739: }
740:
741: static int
742: pre_SS(DECL_ARGS)
743: {
1.88 schwarze 744: int i;
1.1 kristaps 745:
1.11 schwarze 746: switch (n->type) {
1.124 schwarze 747: case ROFFT_BLOCK:
1.69 schwarze 748: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 749: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
750: mt->offset = term_len(p, p->defindent);
1.111 schwarze 751:
752: /*
753: * No vertical space before the first subsection
754: * and after an empty subsection.
755: */
756:
757: do {
758: n = n->prev;
1.135 schwarze 759: } while (n != NULL && n->tok != TOKEN_NONE &&
1.123 schwarze 760: termacts[n->tok].flags & MAN_NOTEXT);
1.111 schwarze 761: if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 762: break;
1.111 schwarze 763:
1.88 schwarze 764: for (i = 0; i < mt->pardist; i++)
765: term_vspace(p);
1.11 schwarze 766: break;
1.124 schwarze 767: case ROFFT_HEAD:
1.21 schwarze 768: term_fontrepl(p, TERMFONT_BOLD);
1.87 schwarze 769: p->offset = term_len(p, 3);
1.129 schwarze 770: p->rmargin = mt->offset;
771: p->trailspace = mt->offset;
772: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 773: break;
1.124 schwarze 774: case ROFFT_BODY:
1.13 schwarze 775: p->offset = mt->offset;
1.129 schwarze 776: p->rmargin = p->maxrmargin;
777: p->trailspace = 0;
778: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 779: break;
780: default:
781: break;
782: }
783:
1.138 schwarze 784: return 1;
1.1 kristaps 785: }
786:
787: static void
788: post_SS(DECL_ARGS)
789: {
1.100 schwarze 790:
1.11 schwarze 791: switch (n->type) {
1.124 schwarze 792: case ROFFT_HEAD:
1.11 schwarze 793: term_newln(p);
794: break;
1.124 schwarze 795: case ROFFT_BODY:
1.11 schwarze 796: term_newln(p);
797: break;
798: default:
799: break;
800: }
1.1 kristaps 801: }
802:
803: static int
804: pre_SH(DECL_ARGS)
805: {
1.88 schwarze 806: int i;
1.1 kristaps 807:
1.11 schwarze 808: switch (n->type) {
1.124 schwarze 809: case ROFFT_BLOCK:
1.69 schwarze 810: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 811: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
812: mt->offset = term_len(p, p->defindent);
1.111 schwarze 813:
814: /*
815: * No vertical space before the first section
816: * and after an empty section.
817: */
818:
819: do {
820: n = n->prev;
1.144 schwarze 821: } while (n != NULL && n->tok != TOKEN_NONE &&
1.143 schwarze 822: termacts[n->tok].flags & MAN_NOTEXT);
1.111 schwarze 823: if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 824: break;
1.111 schwarze 825:
1.88 schwarze 826: for (i = 0; i < mt->pardist; i++)
827: term_vspace(p);
1.11 schwarze 828: break;
1.124 schwarze 829: case ROFFT_HEAD:
1.21 schwarze 830: term_fontrepl(p, TERMFONT_BOLD);
1.11 schwarze 831: p->offset = 0;
1.129 schwarze 832: p->rmargin = mt->offset;
833: p->trailspace = mt->offset;
834: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 835: break;
1.124 schwarze 836: case ROFFT_BODY:
1.13 schwarze 837: p->offset = mt->offset;
1.129 schwarze 838: p->rmargin = p->maxrmargin;
839: p->trailspace = 0;
840: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 841: break;
842: default:
843: break;
844: }
845:
1.138 schwarze 846: return 1;
1.1 kristaps 847: }
848:
849: static void
850: post_SH(DECL_ARGS)
851: {
1.100 schwarze 852:
1.11 schwarze 853: switch (n->type) {
1.124 schwarze 854: case ROFFT_HEAD:
1.11 schwarze 855: term_newln(p);
856: break;
1.124 schwarze 857: case ROFFT_BODY:
1.11 schwarze 858: term_newln(p);
859: break;
860: default:
1.13 schwarze 861: break;
862: }
863: }
864:
865: static int
866: pre_RS(DECL_ARGS)
867: {
1.116 schwarze 868: struct roffsu su;
1.13 schwarze 869:
870: switch (n->type) {
1.124 schwarze 871: case ROFFT_BLOCK:
1.13 schwarze 872: term_newln(p);
1.138 schwarze 873: return 1;
1.124 schwarze 874: case ROFFT_HEAD:
1.138 schwarze 875: return 0;
1.13 schwarze 876: default:
877: break;
878: }
879:
1.118 schwarze 880: n = n->parent->head;
881: n->aux = SHRT_MAX + 1;
1.130 schwarze 882: if (n->child == NULL)
883: n->aux = mt->lmargin[mt->lmargincur];
884: else if (a2roffsu(n->child->string, &su, SCALE_EN))
1.128 schwarze 885: n->aux = term_hspan(p, &su) / 24;
1.118 schwarze 886: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
887: n->aux = -mt->offset;
888: else if (n->aux > SHRT_MAX)
889: n->aux = term_len(p, p->defindent);
1.13 schwarze 890:
1.118 schwarze 891: mt->offset += n->aux;
1.94 schwarze 892: p->offset = mt->offset;
1.109 schwarze 893: p->rmargin = p->maxrmargin;
1.13 schwarze 894:
1.70 schwarze 895: if (++mt->lmarginsz < MAXMARGINS)
896: mt->lmargincur = mt->lmarginsz;
897:
1.131 schwarze 898: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 899: return 1;
1.13 schwarze 900: }
901:
902: static void
903: post_RS(DECL_ARGS)
904: {
905:
906: switch (n->type) {
1.124 schwarze 907: case ROFFT_BLOCK:
1.69 schwarze 908: return;
1.124 schwarze 909: case ROFFT_HEAD:
1.69 schwarze 910: return;
1.13 schwarze 911: default:
912: term_newln(p);
1.11 schwarze 913: break;
914: }
1.69 schwarze 915:
1.118 schwarze 916: mt->offset -= n->parent->head->aux;
1.69 schwarze 917: p->offset = mt->offset;
1.70 schwarze 918:
919: if (--mt->lmarginsz < MAXMARGINS)
920: mt->lmargincur = mt->lmarginsz;
1.91 schwarze 921: }
922:
923: static int
924: pre_UR(DECL_ARGS)
925: {
926:
1.138 schwarze 927: return n->type != ROFFT_HEAD;
1.91 schwarze 928: }
929:
930: static void
931: post_UR(DECL_ARGS)
932: {
933:
1.124 schwarze 934: if (n->type != ROFFT_BLOCK)
1.91 schwarze 935: return;
936:
937: term_word(p, "<");
938: p->flags |= TERMP_NOSPACE;
939:
940: if (NULL != n->child->child)
941: print_man_node(p, mt, n->child->child, meta);
942:
943: p->flags |= TERMP_NOSPACE;
944: term_word(p, ">");
1.47 schwarze 945: }
946:
1.1 kristaps 947: static void
1.19 schwarze 948: print_man_node(DECL_ARGS)
1.1 kristaps 949: {
1.32 schwarze 950: size_t rm, rmax;
1.21 schwarze 951: int c;
1.1 kristaps 952:
953: switch (n->type) {
1.124 schwarze 954: case ROFFT_TEXT:
1.61 schwarze 955: /*
956: * If we have a blank line, output a vertical space.
957: * If we have a space as the first character, break
958: * before printing the line's data.
959: */
1.60 schwarze 960: if ('\0' == *n->string) {
1.1 kristaps 961: term_vspace(p);
1.61 schwarze 962: return;
1.141 schwarze 963: } else if (' ' == *n->string && NODE_LINE & n->flags)
1.60 schwarze 964: term_newln(p);
1.21 schwarze 965:
1.1 kristaps 966: term_word(p, n->string);
1.84 schwarze 967: goto out;
1.21 schwarze 968:
1.124 schwarze 969: case ROFFT_EQN:
1.141 schwarze 970: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 971: p->flags |= TERMP_NOSPACE;
1.71 schwarze 972: term_eqn(p, n->eqn);
1.141 schwarze 973: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 974: p->flags |= TERMP_NOSPACE;
1.61 schwarze 975: return;
1.124 schwarze 976: case ROFFT_TBL:
1.122 schwarze 977: if (p->tbl.cols == NULL)
978: term_vspace(p);
1.58 schwarze 979: term_tbl(p, n->span);
1.61 schwarze 980: return;
1.1 kristaps 981: default:
982: break;
983: }
984:
1.146 schwarze 985: if (n->tok < ROFF_MAX) {
1.147 ! schwarze 986: roff_term_pre(p, n);
1.146 schwarze 987: return;
988: }
989:
990: assert(n->tok >= MAN_TH && n->tok <= MAN_MAX);
1.61 schwarze 991: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
992: term_fontrepl(p, TERMFONT_NONE);
993:
994: c = 1;
995: if (termacts[n->tok].pre)
1.89 schwarze 996: c = (*termacts[n->tok].pre)(p, mt, n, meta);
1.61 schwarze 997:
1.1 kristaps 998: if (c && n->child)
1.89 schwarze 999: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1000:
1.61 schwarze 1001: if (termacts[n->tok].post)
1.89 schwarze 1002: (*termacts[n->tok].post)(p, mt, n, meta);
1.61 schwarze 1003: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
1004: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 1005:
1.84 schwarze 1006: out:
1007: /*
1008: * If we're in a literal context, make sure that words
1009: * together on the same line stay together. This is a
1010: * POST-printing call, so we check the NEXT word. Since
1011: * -man doesn't have nested macros, we don't need to be
1012: * more specific than this.
1013: */
1.110 schwarze 1014: if (mt->fl & MANT_LITERAL &&
1015: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 schwarze 1016: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.84 schwarze 1017: rm = p->rmargin;
1018: rmax = p->maxrmargin;
1019: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1020: p->flags |= TERMP_NOSPACE;
1.110 schwarze 1021: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1022: term_flushln(p);
1023: else
1024: term_newln(p);
1025: if (rm < rmax && n->parent->tok == MAN_HP) {
1026: p->offset = rm;
1027: p->rmargin = rmax;
1028: } else
1029: p->rmargin = rm;
1030: p->maxrmargin = rmax;
1031: }
1.141 schwarze 1032: if (NODE_EOS & n->flags)
1.30 schwarze 1033: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1034: }
1035:
1036:
1037: static void
1.21 schwarze 1038: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1039: {
1.11 schwarze 1040:
1.121 schwarze 1041: while (n != NULL) {
1042: print_man_node(p, mt, n, meta);
1043: n = n->next;
1044: }
1.1 kristaps 1045: }
1046:
1047: static void
1.126 schwarze 1048: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1049: {
1.101 schwarze 1050: char *title;
1.109 schwarze 1051: size_t datelen, titlen;
1.41 schwarze 1052:
1.80 schwarze 1053: assert(meta->title);
1054: assert(meta->msec);
1055: assert(meta->date);
1.21 schwarze 1056:
1057: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1058:
1.103 schwarze 1059: if (meta->hasbody)
1060: term_vspace(p);
1.81 schwarze 1061:
1062: /*
1063: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1064: * In the bottom right corner, use the operating system
1065: * instead of the title.
1.81 schwarze 1066: */
1067:
1.79 schwarze 1068: if ( ! p->mdocstyle) {
1.103 schwarze 1069: if (meta->hasbody) {
1070: term_vspace(p);
1071: term_vspace(p);
1072: }
1.101 schwarze 1073: mandoc_asprintf(&title, "%s(%s)",
1074: meta->title, meta->msec);
1.126 schwarze 1075: } else if (meta->os) {
1076: title = mandoc_strdup(meta->os);
1.79 schwarze 1077: } else {
1.101 schwarze 1078: title = mandoc_strdup("");
1.79 schwarze 1079: }
1.78 schwarze 1080: datelen = term_strlen(p, meta->date);
1.1 kristaps 1081:
1.126 schwarze 1082: /* Bottom left corner: operating system. */
1.81 schwarze 1083:
1.1 kristaps 1084: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1085: p->trailspace = 1;
1.1 kristaps 1086: p->offset = 0;
1.109 schwarze 1087: p->rmargin = p->maxrmargin > datelen ?
1088: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1089:
1.126 schwarze 1090: if (meta->os)
1091: term_word(p, meta->os);
1.1 kristaps 1092: term_flushln(p);
1093:
1.81 schwarze 1094: /* At the bottom in the middle: manual date. */
1095:
1.109 schwarze 1096: p->offset = p->rmargin;
1097: titlen = term_strlen(p, title);
1098: p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
1.72 schwarze 1099: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1100:
1101: term_word(p, meta->date);
1102: term_flushln(p);
1103:
1.81 schwarze 1104: /* Bottom right corner: manual title and section. */
1105:
1.78 schwarze 1106: p->flags &= ~TERMP_NOBREAK;
1107: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1108: p->trailspace = 0;
1.78 schwarze 1109: p->offset = p->rmargin;
1.1 kristaps 1110: p->rmargin = p->maxrmargin;
1111:
1.78 schwarze 1112: term_word(p, title);
1.1 kristaps 1113: term_flushln(p);
1.101 schwarze 1114: free(title);
1.1 kristaps 1115: }
1116:
1117: static void
1.126 schwarze 1118: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1119: {
1.102 schwarze 1120: const char *volume;
1.101 schwarze 1121: char *title;
1.102 schwarze 1122: size_t vollen, titlen;
1.41 schwarze 1123:
1.89 schwarze 1124: assert(meta->title);
1125: assert(meta->msec);
1.1 kristaps 1126:
1.102 schwarze 1127: volume = NULL == meta->vol ? "" : meta->vol;
1128: vollen = term_strlen(p, volume);
1.1 kristaps 1129:
1.81 schwarze 1130: /* Top left corner: manual title and section. */
1131:
1.101 schwarze 1132: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1133: titlen = term_strlen(p, title);
1.1 kristaps 1134:
1.73 schwarze 1135: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1136: p->trailspace = 1;
1.1 kristaps 1137: p->offset = 0;
1.102 schwarze 1138: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1139: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1140: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1141:
1142: term_word(p, title);
1143: term_flushln(p);
1144:
1.81 schwarze 1145: /* At the top in the middle: manual volume. */
1146:
1.72 schwarze 1147: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1148: p->offset = p->rmargin;
1.102 schwarze 1149: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.25 schwarze 1150: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1151:
1.102 schwarze 1152: term_word(p, volume);
1.1 kristaps 1153: term_flushln(p);
1154:
1.81 schwarze 1155: /* Top right corner: title and section, again. */
1156:
1.1 kristaps 1157: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1158: p->trailspace = 0;
1.25 schwarze 1159: if (p->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1160: p->flags |= TERMP_NOSPACE;
1.25 schwarze 1161: p->offset = p->rmargin;
1162: p->rmargin = p->maxrmargin;
1163: term_word(p, title);
1164: term_flushln(p);
1165: }
1.1 kristaps 1166:
1.73 schwarze 1167: p->flags &= ~TERMP_NOSPACE;
1168: p->offset = 0;
1.1 kristaps 1169: p->rmargin = p->maxrmargin;
1.29 schwarze 1170:
1.100 schwarze 1171: /*
1.81 schwarze 1172: * Groff prints three blank lines before the content.
1173: * Do the same, except in the temporary, undocumented
1174: * mode imitating mdoc(7) output.
1.29 schwarze 1175: */
1176:
1177: term_vspace(p);
1.79 schwarze 1178: if ( ! p->mdocstyle) {
1179: term_vspace(p);
1180: term_vspace(p);
1181: }
1.101 schwarze 1182: free(title);
1.1 kristaps 1183: }
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