Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.138
1.138 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.137 2015/09/21 13:24:32 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:
1.98 schwarze 220: term_setwidth(p, n->nchild ? 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);
320: if (nn->flags & MAN_EOS)
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':
1.52 schwarze 372: /* FALLTHROUGH */
1.100 schwarze 373: case '3':
1.52 schwarze 374: /* FALLTHROUGH */
1.100 schwarze 375: case 'B':
1.52 schwarze 376: term_fontrepl(p, TERMFONT_BOLD);
377: break;
1.100 schwarze 378: case '2':
1.52 schwarze 379: /* FALLTHROUGH */
1.100 schwarze 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':
1.52 schwarze 387: /* FALLTHROUGH */
1.100 schwarze 388: case 'C':
1.52 schwarze 389: /* FALLTHROUGH */
1.100 schwarze 390: case 'R':
1.52 schwarze 391: term_fontrepl(p, TERMFONT_NONE);
392: break;
393: default:
394: break;
395: }
1.138 ! schwarze 396: return 0;
1.1 kristaps 397: }
398:
399: static int
1.45 schwarze 400: pre_in(DECL_ARGS)
1.11 schwarze 401: {
1.116 schwarze 402: struct roffsu su;
403: const char *cp;
1.45 schwarze 404: size_t v;
1.116 schwarze 405: int less;
1.45 schwarze 406:
407: term_newln(p);
408:
409: if (NULL == n->child) {
410: p->offset = mt->offset;
1.138 ! schwarze 411: return 0;
1.45 schwarze 412: }
1.11 schwarze 413:
1.45 schwarze 414: cp = n->child->string;
415: less = 0;
1.11 schwarze 416:
1.45 schwarze 417: if ('-' == *cp)
418: less = -1;
419: else if ('+' == *cp)
420: less = 1;
421: else
422: cp--;
423:
1.116 schwarze 424: if ( ! a2roffsu(++cp, &su, SCALE_EN))
1.138 ! schwarze 425: return 0;
1.45 schwarze 426:
1.128 schwarze 427: v = (term_hspan(p, &su) + 11) / 24;
1.45 schwarze 428:
429: if (less < 0)
430: p->offset -= p->offset > v ? v : p->offset;
431: else if (less > 0)
432: p->offset += v;
1.100 schwarze 433: else
1.45 schwarze 434: p->offset = v;
1.117 schwarze 435: if (p->offset > SHRT_MAX)
436: p->offset = term_len(p, p->defindent);
1.59 schwarze 437:
1.138 ! schwarze 438: return 0;
1.11 schwarze 439: }
440:
441: static int
1.45 schwarze 442: pre_sp(DECL_ARGS)
1.8 schwarze 443: {
1.115 schwarze 444: struct roffsu su;
1.116 schwarze 445: int i, len;
1.45 schwarze 446:
1.69 schwarze 447: if ((NULL == n->prev && n->parent)) {
1.86 schwarze 448: switch (n->parent->tok) {
1.100 schwarze 449: case MAN_SH:
1.86 schwarze 450: /* FALLTHROUGH */
1.100 schwarze 451: case MAN_SS:
1.86 schwarze 452: /* FALLTHROUGH */
1.100 schwarze 453: case MAN_PP:
1.86 schwarze 454: /* FALLTHROUGH */
1.100 schwarze 455: case MAN_LP:
1.86 schwarze 456: /* FALLTHROUGH */
1.100 schwarze 457: case MAN_P:
1.86 schwarze 458: /* FALLTHROUGH */
1.138 ! schwarze 459: return 0;
1.86 schwarze 460: default:
461: break;
462: }
1.69 schwarze 463: }
464:
1.116 schwarze 465: if (n->tok == MAN_br)
1.45 schwarze 466: len = 0;
1.116 schwarze 467: else if (n->child == NULL)
468: len = 1;
469: else {
470: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1.115 schwarze 471: su.scale = 1.0;
472: len = term_vspan(p, &su);
1.45 schwarze 473: }
474:
1.116 schwarze 475: if (len == 0)
1.45 schwarze 476: term_newln(p);
1.116 schwarze 477: else if (len < 0)
478: p->skipvsp -= len;
1.85 schwarze 479: else
480: for (i = 0; i < len; i++)
481: term_vspace(p);
1.136 schwarze 482:
483: /*
484: * Handle an explicit break request in the same way
485: * as an overflowing line.
486: */
487:
488: if (p->flags & TERMP_BRIND) {
489: p->offset = p->rmargin;
490: p->rmargin = p->maxrmargin;
491: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
492: }
1.8 schwarze 493:
1.138 ! schwarze 494: return 0;
1.8 schwarze 495: }
496:
497: static int
1.11 schwarze 498: pre_HP(DECL_ARGS)
499: {
1.116 schwarze 500: struct roffsu su;
1.125 schwarze 501: const struct roff_node *nn;
1.116 schwarze 502: int len;
1.11 schwarze 503:
504: switch (n->type) {
1.124 schwarze 505: case ROFFT_BLOCK:
1.88 schwarze 506: print_bvspace(p, n, mt->pardist);
1.138 ! schwarze 507: return 1;
1.124 schwarze 508: case ROFFT_BODY:
1.11 schwarze 509: break;
510: default:
1.138 ! schwarze 511: return 0;
1.11 schwarze 512: }
513:
1.84 schwarze 514: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 515: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 516: p->trailspace = 2;
1.84 schwarze 517: }
518:
1.11 schwarze 519: /* Calculate offset. */
520:
1.116 schwarze 521: if ((nn = n->parent->head->child) != NULL &&
522: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 523: len = term_hspan(p, &su) / 24;
1.117 schwarze 524: if (len < 0 && (size_t)(-len) > mt->offset)
525: len = -mt->offset;
526: else if (len > SHRT_MAX)
527: len = term_len(p, p->defindent);
1.116 schwarze 528: mt->lmargin[mt->lmargincur] = len;
529: } else
530: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 531:
1.13 schwarze 532: p->offset = mt->offset;
1.117 schwarze 533: p->rmargin = mt->offset + len;
1.138 ! schwarze 534: return 1;
1.11 schwarze 535: }
536:
537: static void
538: post_HP(DECL_ARGS)
539: {
540:
541: switch (n->type) {
1.124 schwarze 542: case ROFFT_BODY:
1.90 schwarze 543: term_newln(p);
1.127 schwarze 544:
545: /*
546: * Compatibility with a groff bug.
547: * The .HP macro uses the undocumented .tag request
548: * which causes a line break and cancels no-space
549: * mode even if there isn't any output.
550: */
551:
552: if (n->child == NULL)
553: term_vspace(p);
554:
1.99 schwarze 555: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 556: p->trailspace = 0;
1.13 schwarze 557: p->offset = mt->offset;
1.11 schwarze 558: p->rmargin = p->maxrmargin;
559: break;
560: default:
561: break;
562: }
563: }
564:
565: static int
1.1 kristaps 566: pre_PP(DECL_ARGS)
567: {
568:
1.11 schwarze 569: switch (n->type) {
1.124 schwarze 570: case ROFFT_BLOCK:
1.77 schwarze 571: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 572: print_bvspace(p, n, mt->pardist);
1.11 schwarze 573: break;
574: default:
1.13 schwarze 575: p->offset = mt->offset;
1.11 schwarze 576: break;
577: }
578:
1.138 ! schwarze 579: return n->type != ROFFT_HEAD;
1.1 kristaps 580: }
581:
582: static int
583: pre_IP(DECL_ARGS)
584: {
1.116 schwarze 585: struct roffsu su;
1.125 schwarze 586: const struct roff_node *nn;
1.116 schwarze 587: int len, savelit;
1.11 schwarze 588:
589: switch (n->type) {
1.124 schwarze 590: case ROFFT_BODY:
1.11 schwarze 591: p->flags |= TERMP_NOSPACE;
592: break;
1.124 schwarze 593: case ROFFT_HEAD:
1.11 schwarze 594: p->flags |= TERMP_NOBREAK;
1.93 schwarze 595: p->trailspace = 1;
1.11 schwarze 596: break;
1.124 schwarze 597: case ROFFT_BLOCK:
1.88 schwarze 598: print_bvspace(p, n, mt->pardist);
1.11 schwarze 599: /* FALLTHROUGH */
600: default:
1.138 ! schwarze 601: return 1;
1.11 schwarze 602: }
603:
1.57 schwarze 604: /* Calculate the offset from the optional second argument. */
1.116 schwarze 605: if ((nn = n->parent->head->child) != NULL &&
606: (nn = nn->next) != NULL &&
607: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 608: len = term_hspan(p, &su) / 24;
1.116 schwarze 609: if (len < 0 && (size_t)(-len) > mt->offset)
610: len = -mt->offset;
1.117 schwarze 611: else if (len > SHRT_MAX)
612: len = term_len(p, p->defindent);
613: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 614: } else
615: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 616:
617: switch (n->type) {
1.124 schwarze 618: case ROFFT_HEAD:
1.13 schwarze 619: p->offset = mt->offset;
620: p->rmargin = mt->offset + len;
1.11 schwarze 621:
1.57 schwarze 622: savelit = MANT_LITERAL & mt->fl;
623: mt->fl &= ~MANT_LITERAL;
624:
625: if (n->child)
1.89 schwarze 626: print_man_node(p, mt, n->child, meta);
1.57 schwarze 627:
628: if (savelit)
629: mt->fl |= MANT_LITERAL;
630:
1.138 ! schwarze 631: return 0;
1.124 schwarze 632: case ROFFT_BODY:
1.13 schwarze 633: p->offset = mt->offset + len;
1.109 schwarze 634: p->rmargin = p->maxrmargin;
1.11 schwarze 635: break;
636: default:
637: break;
638: }
1.1 kristaps 639:
1.138 ! schwarze 640: return 1;
1.11 schwarze 641: }
1.1 kristaps 642:
1.11 schwarze 643: static void
644: post_IP(DECL_ARGS)
645: {
1.4 schwarze 646:
1.11 schwarze 647: switch (n->type) {
1.124 schwarze 648: case ROFFT_HEAD:
1.11 schwarze 649: term_flushln(p);
650: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 651: p->trailspace = 0;
1.11 schwarze 652: p->rmargin = p->maxrmargin;
653: break;
1.124 schwarze 654: case ROFFT_BODY:
1.57 schwarze 655: term_newln(p);
1.92 schwarze 656: p->offset = mt->offset;
1.11 schwarze 657: break;
658: default:
659: break;
660: }
1.1 kristaps 661: }
662:
663: static int
664: pre_TP(DECL_ARGS)
665: {
1.116 schwarze 666: struct roffsu su;
1.125 schwarze 667: struct roff_node *nn;
1.116 schwarze 668: int len, savelit;
1.11 schwarze 669:
670: switch (n->type) {
1.124 schwarze 671: case ROFFT_HEAD:
1.137 schwarze 672: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 673: p->trailspace = 1;
1.11 schwarze 674: break;
1.124 schwarze 675: case ROFFT_BODY:
1.11 schwarze 676: p->flags |= TERMP_NOSPACE;
677: break;
1.124 schwarze 678: case ROFFT_BLOCK:
1.88 schwarze 679: print_bvspace(p, n, mt->pardist);
1.11 schwarze 680: /* FALLTHROUGH */
681: default:
1.138 ! schwarze 682: return 1;
1.11 schwarze 683: }
684:
685: /* Calculate offset. */
1.1 kristaps 686:
1.116 schwarze 687: if ((nn = n->parent->head->child) != NULL &&
688: nn->string != NULL && ! (MAN_LINE & nn->flags) &&
689: a2roffsu(nn->string, &su, SCALE_EN)) {
1.128 schwarze 690: len = term_hspan(p, &su) / 24;
1.116 schwarze 691: if (len < 0 && (size_t)(-len) > mt->offset)
692: len = -mt->offset;
1.117 schwarze 693: else if (len > SHRT_MAX)
694: len = term_len(p, p->defindent);
695: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 696: } else
697: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 698:
1.11 schwarze 699: switch (n->type) {
1.124 schwarze 700: case ROFFT_HEAD:
1.13 schwarze 701: p->offset = mt->offset;
702: p->rmargin = mt->offset + len;
1.11 schwarze 703:
1.57 schwarze 704: savelit = MANT_LITERAL & mt->fl;
705: mt->fl &= ~MANT_LITERAL;
706:
1.11 schwarze 707: /* Don't print same-line elements. */
1.95 schwarze 708: nn = n->child;
709: while (NULL != nn && 0 == (MAN_LINE & nn->flags))
710: nn = nn->next;
711:
712: while (NULL != nn) {
713: print_man_node(p, mt, nn, meta);
714: nn = nn->next;
715: }
1.11 schwarze 716:
1.57 schwarze 717: if (savelit)
718: mt->fl |= MANT_LITERAL;
1.138 ! schwarze 719: return 0;
1.124 schwarze 720: case ROFFT_BODY:
1.13 schwarze 721: p->offset = mt->offset + len;
1.109 schwarze 722: p->rmargin = p->maxrmargin;
1.93 schwarze 723: p->trailspace = 0;
1.137 schwarze 724: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 725: break;
726: default:
727: break;
728: }
1.1 kristaps 729:
1.138 ! schwarze 730: return 1;
1.11 schwarze 731: }
1.1 kristaps 732:
1.11 schwarze 733: static void
734: post_TP(DECL_ARGS)
735: {
1.1 kristaps 736:
1.11 schwarze 737: switch (n->type) {
1.124 schwarze 738: case ROFFT_HEAD:
1.11 schwarze 739: term_flushln(p);
740: break;
1.124 schwarze 741: case ROFFT_BODY:
1.57 schwarze 742: term_newln(p);
1.92 schwarze 743: p->offset = mt->offset;
1.11 schwarze 744: break;
745: default:
746: break;
747: }
1.1 kristaps 748: }
749:
750: static int
751: pre_SS(DECL_ARGS)
752: {
1.88 schwarze 753: int i;
1.1 kristaps 754:
1.11 schwarze 755: switch (n->type) {
1.124 schwarze 756: case ROFFT_BLOCK:
1.69 schwarze 757: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 758: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
759: mt->offset = term_len(p, p->defindent);
1.111 schwarze 760:
761: /*
762: * No vertical space before the first subsection
763: * and after an empty subsection.
764: */
765:
766: do {
767: n = n->prev;
1.135 schwarze 768: } while (n != NULL && n->tok != TOKEN_NONE &&
1.123 schwarze 769: termacts[n->tok].flags & MAN_NOTEXT);
1.111 schwarze 770: if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 771: break;
1.111 schwarze 772:
1.88 schwarze 773: for (i = 0; i < mt->pardist; i++)
774: term_vspace(p);
1.11 schwarze 775: break;
1.124 schwarze 776: case ROFFT_HEAD:
1.21 schwarze 777: term_fontrepl(p, TERMFONT_BOLD);
1.87 schwarze 778: p->offset = term_len(p, 3);
1.129 schwarze 779: p->rmargin = mt->offset;
780: p->trailspace = mt->offset;
781: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 782: break;
1.124 schwarze 783: case ROFFT_BODY:
1.13 schwarze 784: p->offset = mt->offset;
1.129 schwarze 785: p->rmargin = p->maxrmargin;
786: p->trailspace = 0;
787: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 788: break;
789: default:
790: break;
791: }
792:
1.138 ! schwarze 793: return 1;
1.1 kristaps 794: }
795:
796: static void
797: post_SS(DECL_ARGS)
798: {
1.100 schwarze 799:
1.11 schwarze 800: switch (n->type) {
1.124 schwarze 801: case ROFFT_HEAD:
1.11 schwarze 802: term_newln(p);
803: break;
1.124 schwarze 804: case ROFFT_BODY:
1.11 schwarze 805: term_newln(p);
806: break;
807: default:
808: break;
809: }
1.1 kristaps 810: }
811:
812: static int
813: pre_SH(DECL_ARGS)
814: {
1.88 schwarze 815: int i;
1.1 kristaps 816:
1.11 schwarze 817: switch (n->type) {
1.124 schwarze 818: case ROFFT_BLOCK:
1.69 schwarze 819: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 820: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
821: mt->offset = term_len(p, p->defindent);
1.111 schwarze 822:
823: /*
824: * No vertical space before the first section
825: * and after an empty section.
826: */
827:
828: do {
829: n = n->prev;
830: } while (n != NULL && termacts[n->tok].flags & MAN_NOTEXT);
831: if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 832: break;
1.111 schwarze 833:
1.88 schwarze 834: for (i = 0; i < mt->pardist; i++)
835: term_vspace(p);
1.11 schwarze 836: break;
1.124 schwarze 837: case ROFFT_HEAD:
1.21 schwarze 838: term_fontrepl(p, TERMFONT_BOLD);
1.11 schwarze 839: p->offset = 0;
1.129 schwarze 840: p->rmargin = mt->offset;
841: p->trailspace = mt->offset;
842: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 843: break;
1.124 schwarze 844: case ROFFT_BODY:
1.13 schwarze 845: p->offset = mt->offset;
1.129 schwarze 846: p->rmargin = p->maxrmargin;
847: p->trailspace = 0;
848: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 849: break;
850: default:
851: break;
852: }
853:
1.138 ! schwarze 854: return 1;
1.1 kristaps 855: }
856:
857: static void
858: post_SH(DECL_ARGS)
859: {
1.100 schwarze 860:
1.11 schwarze 861: switch (n->type) {
1.124 schwarze 862: case ROFFT_HEAD:
1.11 schwarze 863: term_newln(p);
864: break;
1.124 schwarze 865: case ROFFT_BODY:
1.11 schwarze 866: term_newln(p);
867: break;
868: default:
1.13 schwarze 869: break;
870: }
871: }
872:
873: static int
874: pre_RS(DECL_ARGS)
875: {
1.116 schwarze 876: struct roffsu su;
1.13 schwarze 877:
878: switch (n->type) {
1.124 schwarze 879: case ROFFT_BLOCK:
1.13 schwarze 880: term_newln(p);
1.138 ! schwarze 881: return 1;
1.124 schwarze 882: case ROFFT_HEAD:
1.138 ! schwarze 883: return 0;
1.13 schwarze 884: default:
885: break;
886: }
887:
1.118 schwarze 888: n = n->parent->head;
889: n->aux = SHRT_MAX + 1;
1.130 schwarze 890: if (n->child == NULL)
891: n->aux = mt->lmargin[mt->lmargincur];
892: else if (a2roffsu(n->child->string, &su, SCALE_EN))
1.128 schwarze 893: n->aux = term_hspan(p, &su) / 24;
1.118 schwarze 894: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
895: n->aux = -mt->offset;
896: else if (n->aux > SHRT_MAX)
897: n->aux = term_len(p, p->defindent);
1.13 schwarze 898:
1.118 schwarze 899: mt->offset += n->aux;
1.94 schwarze 900: p->offset = mt->offset;
1.109 schwarze 901: p->rmargin = p->maxrmargin;
1.13 schwarze 902:
1.70 schwarze 903: if (++mt->lmarginsz < MAXMARGINS)
904: mt->lmargincur = mt->lmarginsz;
905:
1.131 schwarze 906: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 ! schwarze 907: return 1;
1.13 schwarze 908: }
909:
910: static void
911: post_RS(DECL_ARGS)
912: {
913:
914: switch (n->type) {
1.124 schwarze 915: case ROFFT_BLOCK:
1.69 schwarze 916: return;
1.124 schwarze 917: case ROFFT_HEAD:
1.69 schwarze 918: return;
1.13 schwarze 919: default:
920: term_newln(p);
1.11 schwarze 921: break;
922: }
1.69 schwarze 923:
1.118 schwarze 924: mt->offset -= n->parent->head->aux;
1.69 schwarze 925: p->offset = mt->offset;
1.70 schwarze 926:
927: if (--mt->lmarginsz < MAXMARGINS)
928: mt->lmargincur = mt->lmarginsz;
1.91 schwarze 929: }
930:
931: static int
932: pre_UR(DECL_ARGS)
933: {
934:
1.138 ! schwarze 935: return n->type != ROFFT_HEAD;
1.91 schwarze 936: }
937:
938: static void
939: post_UR(DECL_ARGS)
940: {
941:
1.124 schwarze 942: if (n->type != ROFFT_BLOCK)
1.91 schwarze 943: return;
944:
945: term_word(p, "<");
946: p->flags |= TERMP_NOSPACE;
947:
948: if (NULL != n->child->child)
949: print_man_node(p, mt, n->child->child, meta);
950:
951: p->flags |= TERMP_NOSPACE;
952: term_word(p, ">");
1.47 schwarze 953: }
954:
1.1 kristaps 955: static void
1.19 schwarze 956: print_man_node(DECL_ARGS)
1.1 kristaps 957: {
1.32 schwarze 958: size_t rm, rmax;
1.21 schwarze 959: int c;
1.1 kristaps 960:
961: switch (n->type) {
1.124 schwarze 962: case ROFFT_TEXT:
1.61 schwarze 963: /*
964: * If we have a blank line, output a vertical space.
965: * If we have a space as the first character, break
966: * before printing the line's data.
967: */
1.60 schwarze 968: if ('\0' == *n->string) {
1.1 kristaps 969: term_vspace(p);
1.61 schwarze 970: return;
971: } else if (' ' == *n->string && MAN_LINE & n->flags)
1.60 schwarze 972: term_newln(p);
1.21 schwarze 973:
1.1 kristaps 974: term_word(p, n->string);
1.84 schwarze 975: goto out;
1.21 schwarze 976:
1.124 schwarze 977: case ROFFT_EQN:
1.105 schwarze 978: if ( ! (n->flags & MAN_LINE))
979: p->flags |= TERMP_NOSPACE;
1.71 schwarze 980: term_eqn(p, n->eqn);
1.107 schwarze 981: if (n->next != NULL && ! (n->next->flags & MAN_LINE))
1.106 schwarze 982: p->flags |= TERMP_NOSPACE;
1.61 schwarze 983: return;
1.124 schwarze 984: case ROFFT_TBL:
1.122 schwarze 985: if (p->tbl.cols == NULL)
986: term_vspace(p);
1.58 schwarze 987: term_tbl(p, n->span);
1.61 schwarze 988: return;
1.1 kristaps 989: default:
990: break;
991: }
992:
1.61 schwarze 993: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
994: term_fontrepl(p, TERMFONT_NONE);
995:
996: c = 1;
997: if (termacts[n->tok].pre)
1.89 schwarze 998: c = (*termacts[n->tok].pre)(p, mt, n, meta);
1.61 schwarze 999:
1.1 kristaps 1000: if (c && n->child)
1.89 schwarze 1001: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1002:
1.61 schwarze 1003: if (termacts[n->tok].post)
1.89 schwarze 1004: (*termacts[n->tok].post)(p, mt, n, meta);
1.61 schwarze 1005: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
1006: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 1007:
1.84 schwarze 1008: out:
1009: /*
1010: * If we're in a literal context, make sure that words
1011: * together on the same line stay together. This is a
1012: * POST-printing call, so we check the NEXT word. Since
1013: * -man doesn't have nested macros, we don't need to be
1014: * more specific than this.
1015: */
1.110 schwarze 1016: if (mt->fl & MANT_LITERAL &&
1017: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1018: (n->next == NULL || n->next->flags & MAN_LINE)) {
1.84 schwarze 1019: rm = p->rmargin;
1020: rmax = p->maxrmargin;
1021: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1022: p->flags |= TERMP_NOSPACE;
1.110 schwarze 1023: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1024: term_flushln(p);
1025: else
1026: term_newln(p);
1027: if (rm < rmax && n->parent->tok == MAN_HP) {
1028: p->offset = rm;
1029: p->rmargin = rmax;
1030: } else
1031: p->rmargin = rm;
1032: p->maxrmargin = rmax;
1033: }
1.30 schwarze 1034: if (MAN_EOS & n->flags)
1035: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1036: }
1037:
1038:
1039: static void
1.21 schwarze 1040: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1041: {
1.11 schwarze 1042:
1.121 schwarze 1043: while (n != NULL) {
1044: print_man_node(p, mt, n, meta);
1045: n = n->next;
1046: }
1.1 kristaps 1047: }
1048:
1049: static void
1.126 schwarze 1050: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1051: {
1.101 schwarze 1052: char *title;
1.109 schwarze 1053: size_t datelen, titlen;
1.41 schwarze 1054:
1.80 schwarze 1055: assert(meta->title);
1056: assert(meta->msec);
1057: assert(meta->date);
1.21 schwarze 1058:
1059: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1060:
1.103 schwarze 1061: if (meta->hasbody)
1062: term_vspace(p);
1.81 schwarze 1063:
1064: /*
1065: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1066: * In the bottom right corner, use the operating system
1067: * instead of the title.
1.81 schwarze 1068: */
1069:
1.79 schwarze 1070: if ( ! p->mdocstyle) {
1.103 schwarze 1071: if (meta->hasbody) {
1072: term_vspace(p);
1073: term_vspace(p);
1074: }
1.101 schwarze 1075: mandoc_asprintf(&title, "%s(%s)",
1076: meta->title, meta->msec);
1.126 schwarze 1077: } else if (meta->os) {
1078: title = mandoc_strdup(meta->os);
1.79 schwarze 1079: } else {
1.101 schwarze 1080: title = mandoc_strdup("");
1.79 schwarze 1081: }
1.78 schwarze 1082: datelen = term_strlen(p, meta->date);
1.1 kristaps 1083:
1.126 schwarze 1084: /* Bottom left corner: operating system. */
1.81 schwarze 1085:
1.1 kristaps 1086: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1087: p->trailspace = 1;
1.1 kristaps 1088: p->offset = 0;
1.109 schwarze 1089: p->rmargin = p->maxrmargin > datelen ?
1090: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1091:
1.126 schwarze 1092: if (meta->os)
1093: term_word(p, meta->os);
1.1 kristaps 1094: term_flushln(p);
1095:
1.81 schwarze 1096: /* At the bottom in the middle: manual date. */
1097:
1.109 schwarze 1098: p->offset = p->rmargin;
1099: titlen = term_strlen(p, title);
1100: p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
1.72 schwarze 1101: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1102:
1103: term_word(p, meta->date);
1104: term_flushln(p);
1105:
1.81 schwarze 1106: /* Bottom right corner: manual title and section. */
1107:
1.78 schwarze 1108: p->flags &= ~TERMP_NOBREAK;
1109: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1110: p->trailspace = 0;
1.78 schwarze 1111: p->offset = p->rmargin;
1.1 kristaps 1112: p->rmargin = p->maxrmargin;
1113:
1.78 schwarze 1114: term_word(p, title);
1.1 kristaps 1115: term_flushln(p);
1.101 schwarze 1116: free(title);
1.1 kristaps 1117: }
1118:
1119: static void
1.126 schwarze 1120: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1121: {
1.102 schwarze 1122: const char *volume;
1.101 schwarze 1123: char *title;
1.102 schwarze 1124: size_t vollen, titlen;
1.41 schwarze 1125:
1.89 schwarze 1126: assert(meta->title);
1127: assert(meta->msec);
1.1 kristaps 1128:
1.102 schwarze 1129: volume = NULL == meta->vol ? "" : meta->vol;
1130: vollen = term_strlen(p, volume);
1.1 kristaps 1131:
1.81 schwarze 1132: /* Top left corner: manual title and section. */
1133:
1.101 schwarze 1134: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1135: titlen = term_strlen(p, title);
1.1 kristaps 1136:
1.73 schwarze 1137: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1138: p->trailspace = 1;
1.1 kristaps 1139: p->offset = 0;
1.102 schwarze 1140: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1141: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1142: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1143:
1144: term_word(p, title);
1145: term_flushln(p);
1146:
1.81 schwarze 1147: /* At the top in the middle: manual volume. */
1148:
1.72 schwarze 1149: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1150: p->offset = p->rmargin;
1.102 schwarze 1151: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.25 schwarze 1152: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1153:
1.102 schwarze 1154: term_word(p, volume);
1.1 kristaps 1155: term_flushln(p);
1156:
1.81 schwarze 1157: /* Top right corner: title and section, again. */
1158:
1.1 kristaps 1159: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1160: p->trailspace = 0;
1.25 schwarze 1161: if (p->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1162: p->flags |= TERMP_NOSPACE;
1.25 schwarze 1163: p->offset = p->rmargin;
1164: p->rmargin = p->maxrmargin;
1165: term_word(p, title);
1166: term_flushln(p);
1167: }
1.1 kristaps 1168:
1.73 schwarze 1169: p->flags &= ~TERMP_NOSPACE;
1170: p->offset = 0;
1.1 kristaps 1171: p->rmargin = p->maxrmargin;
1.29 schwarze 1172:
1.100 schwarze 1173: /*
1.81 schwarze 1174: * Groff prints three blank lines before the content.
1175: * Do the same, except in the temporary, undocumented
1176: * mode imitating mdoc(7) output.
1.29 schwarze 1177: */
1178:
1179: term_vspace(p);
1.79 schwarze 1180: if ( ! p->mdocstyle) {
1181: term_vspace(p);
1182: term_vspace(p);
1183: }
1.101 schwarze 1184: free(title);
1.1 kristaps 1185: }
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