Annotation of mandoc/man_term.c, Revision 1.194
1.194 ! schwarze 1: /* $Id: man_term.c,v 1.193 2017/05/04 17:48:28 schwarze Exp $ */
1.1 kristaps 2: /*
1.128 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.189 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
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.171 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.171 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 17: */
1.55 kristaps 18: #include "config.h"
19:
1.28 kristaps 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.18 kristaps 23: #include <ctype.h>
1.164 schwarze 24: #include <limits.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.171 schwarze 29: #include "mandoc_aux.h"
1.71 kristaps 30: #include "mandoc.h"
1.171 schwarze 31: #include "roff.h"
32: #include "man.h"
1.40 kristaps 33: #include "out.h"
1.1 kristaps 34: #include "term.h"
1.36 kristaps 35: #include "main.h"
1.1 kristaps 36:
1.116 schwarze 37: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.18 kristaps 38:
1.24 kristaps 39: struct mtermp {
40: int fl;
1.19 kristaps 41: #define MANT_LITERAL (1 << 0)
1.163 schwarze 42: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.116 schwarze 43: int lmargincur; /* index of current margin */
44: int lmarginsz; /* actual number of nested margins */
45: size_t offset; /* default offset to visible page */
1.134 schwarze 46: int pardist; /* vert. space before par., unit: [v] */
1.24 kristaps 47: };
1.19 kristaps 48:
1.146 schwarze 49: #define DECL_ARGS struct termp *p, \
1.24 kristaps 50: struct mtermp *mt, \
1.172 schwarze 51: struct roff_node *n, \
1.173 schwarze 52: const struct roff_meta *meta
1.1 kristaps 53:
54: struct termact {
55: int (*pre)(DECL_ARGS);
56: void (*post)(DECL_ARGS);
1.56 kristaps 57: int flags;
58: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 59: };
60:
1.52 kristaps 61: static void print_man_nodelist(DECL_ARGS);
1.45 kristaps 62: static void print_man_node(DECL_ARGS);
1.173 schwarze 63: static void print_man_head(struct termp *,
64: const struct roff_meta *);
65: static void print_man_foot(struct termp *,
66: const struct roff_meta *);
1.146 schwarze 67: static void print_bvspace(struct termp *,
1.172 schwarze 68: const struct roff_node *, int);
1.39 kristaps 69:
1.1 kristaps 70: static int pre_B(DECL_ARGS);
1.19 kristaps 71: static int pre_HP(DECL_ARGS);
1.1 kristaps 72: static int pre_I(DECL_ARGS);
1.4 kristaps 73: static int pre_IP(DECL_ARGS);
1.127 kristaps 74: static int pre_OP(DECL_ARGS);
1.134 schwarze 75: static int pre_PD(DECL_ARGS);
1.1 kristaps 76: static int pre_PP(DECL_ARGS);
1.26 kristaps 77: static int pre_RS(DECL_ARGS);
1.1 kristaps 78: static int pre_SH(DECL_ARGS);
79: static int pre_SS(DECL_ARGS);
80: static int pre_TP(DECL_ARGS);
1.137 schwarze 81: static int pre_UR(DECL_ARGS);
1.127 kristaps 82: static int pre_alternate(DECL_ARGS);
83: static int pre_ft(DECL_ARGS);
1.29 kristaps 84: static int pre_ign(DECL_ARGS);
1.83 kristaps 85: static int pre_in(DECL_ARGS);
1.84 kristaps 86: static int pre_literal(DECL_ARGS);
1.143 schwarze 87: static int pre_ll(DECL_ARGS);
1.19 kristaps 88: static int pre_sp(DECL_ARGS);
1.1 kristaps 89:
1.22 kristaps 90: static void post_IP(DECL_ARGS);
1.20 kristaps 91: static void post_HP(DECL_ARGS);
1.26 kristaps 92: static void post_RS(DECL_ARGS);
1.1 kristaps 93: static void post_SH(DECL_ARGS);
94: static void post_SS(DECL_ARGS);
1.21 kristaps 95: static void post_TP(DECL_ARGS);
1.137 schwarze 96: static void post_UR(DECL_ARGS);
1.1 kristaps 97:
1.192 schwarze 98: static const struct termact __termacts[MAN_MAX - MAN_TH] = {
1.56 kristaps 99: { NULL, NULL, 0 }, /* TH */
100: { pre_SH, post_SH, 0 }, /* SH */
101: { pre_SS, post_SS, 0 }, /* SS */
102: { pre_TP, post_TP, 0 }, /* TP */
103: { pre_PP, NULL, 0 }, /* LP */
104: { pre_PP, NULL, 0 }, /* PP */
105: { pre_PP, NULL, 0 }, /* P */
106: { pre_IP, post_IP, 0 }, /* IP */
1.146 schwarze 107: { pre_HP, post_HP, 0 }, /* HP */
1.56 kristaps 108: { NULL, NULL, 0 }, /* SM */
109: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 110: { pre_alternate, NULL, 0 }, /* BI */
111: { pre_alternate, NULL, 0 }, /* IB */
112: { pre_alternate, NULL, 0 }, /* BR */
113: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 114: { NULL, NULL, 0 }, /* R */
115: { pre_B, NULL, 0 }, /* B */
116: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 117: { pre_alternate, NULL, 0 }, /* IR */
118: { pre_alternate, NULL, 0 }, /* RI */
1.56 kristaps 119: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.84 kristaps 120: { pre_literal, NULL, 0 }, /* nf */
121: { pre_literal, NULL, 0 }, /* fi */
1.56 kristaps 122: { NULL, NULL, 0 }, /* RE */
123: { pre_RS, post_RS, 0 }, /* RS */
124: { pre_ign, NULL, 0 }, /* DT */
1.158 schwarze 125: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 126: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.70 joerg 127: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 128: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.89 kristaps 129: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.127 kristaps 130: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 131: { pre_literal, NULL, 0 }, /* EX */
132: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 133: { pre_UR, post_UR, 0 }, /* UR */
134: { NULL, NULL, 0 }, /* UE */
1.143 schwarze 135: { pre_ll, NULL, MAN_NOTEXT }, /* ll */
1.1 kristaps 136: };
1.192 schwarze 137: static const struct termact *termacts = __termacts - MAN_TH;
1.1 kristaps 138:
139:
1.31 kristaps 140: void
1.180 schwarze 141: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 142: {
1.36 kristaps 143: struct termp *p;
1.172 schwarze 144: struct roff_node *n;
1.36 kristaps 145: struct mtermp mt;
1.189 schwarze 146: size_t save_defindent;
1.36 kristaps 147:
148: p = (struct termp *)arg;
1.58 kristaps 149: p->overstep = 0;
1.151 schwarze 150: p->rmargin = p->maxrmargin = p->defrmargin;
1.77 kristaps 151: p->tabwidth = term_len(p, 5);
1.36 kristaps 152:
1.116 schwarze 153: memset(&mt, 0, sizeof(struct mtermp));
1.122 schwarze 154: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
155: mt.offset = term_len(p, p->defindent);
1.134 schwarze 156: mt.pardist = 1;
1.24 kristaps 157:
1.181 schwarze 158: n = man->first->child;
1.151 schwarze 159: if (p->synopsisonly) {
160: while (n != NULL) {
161: if (n->tok == MAN_SH &&
1.171 schwarze 162: n->child->child->type == ROFFT_TEXT &&
1.151 schwarze 163: !strcmp(n->child->child->string, "SYNOPSIS")) {
164: if (n->child->next->child != NULL)
165: print_man_nodelist(p, &mt,
1.181 schwarze 166: n->child->next->child,
167: &man->meta);
1.151 schwarze 168: term_newln(p);
169: break;
170: }
171: n = n->next;
172: }
173: } else {
1.189 schwarze 174: save_defindent = p->defindent;
1.151 schwarze 175: if (p->defindent == 0)
176: p->defindent = 7;
1.181 schwarze 177: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.151 schwarze 178: p->flags |= TERMP_NOSPACE;
179: if (n != NULL)
1.181 schwarze 180: print_man_nodelist(p, &mt, n, &man->meta);
1.151 schwarze 181: term_end(p);
1.189 schwarze 182: p->defindent = save_defindent;
1.151 schwarze 183: }
1.1 kristaps 184: }
185:
1.111 kristaps 186: /*
187: * Printing leading vertical space before a block.
188: * This is used for the paragraph macros.
189: * The rules are pretty simple, since there's very little nesting going
190: * on here. Basically, if we're the first within another block (SS/SH),
191: * then don't emit vertical space. If we are (RS), then do. If not the
192: * first, print it.
193: */
1.39 kristaps 194: static void
1.172 schwarze 195: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 kristaps 196: {
1.134 schwarze 197: int i;
1.111 kristaps 198:
1.39 kristaps 199: term_newln(p);
1.101 schwarze 200:
1.111 kristaps 201: if (n->body && n->body->child)
1.171 schwarze 202: if (n->body->child->type == ROFFT_TBL)
1.111 kristaps 203: return;
204:
1.171 schwarze 205: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.111 kristaps 206: if (NULL == n->prev)
207: return;
1.18 kristaps 208:
1.134 schwarze 209: for (i = 0; i < pardist; i++)
210: term_vspace(p);
1.18 kristaps 211: }
212:
1.146 schwarze 213:
1.1 kristaps 214: static int
1.29 kristaps 215: pre_ign(DECL_ARGS)
216: {
217:
1.185 schwarze 218: return 0;
1.143 schwarze 219: }
220:
221: static int
222: pre_ll(DECL_ARGS)
223: {
224:
1.187 schwarze 225: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.185 schwarze 226: return 0;
1.29 kristaps 227: }
228:
229: static int
1.1 kristaps 230: pre_I(DECL_ARGS)
231: {
232:
1.52 kristaps 233: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 234: return 1;
1.19 kristaps 235: }
236:
1.3 kristaps 237: static int
1.84 kristaps 238: pre_literal(DECL_ARGS)
1.19 kristaps 239: {
240:
1.81 kristaps 241: term_newln(p);
1.88 kristaps 242:
1.129 schwarze 243: if (MAN_nf == n->tok || MAN_EX == n->tok)
1.84 kristaps 244: mt->fl |= MANT_LITERAL;
1.88 kristaps 245: else
1.84 kristaps 246: mt->fl &= ~MANT_LITERAL;
247:
1.117 schwarze 248: /*
249: * Unlike .IP and .TP, .HP does not have a HEAD.
250: * So in case a second call to term_flushln() is needed,
251: * indentation has to be set up explicitly.
252: */
253: if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
1.121 schwarze 254: p->offset = p->rmargin;
1.117 schwarze 255: p->rmargin = p->maxrmargin;
1.139 schwarze 256: p->trailspace = 0;
1.145 schwarze 257: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 258: p->flags |= TERMP_NOSPACE;
259: }
260:
1.185 schwarze 261: return 0;
1.19 kristaps 262: }
263:
264: static int
1.134 schwarze 265: pre_PD(DECL_ARGS)
266: {
1.160 schwarze 267: struct roffsu su;
1.134 schwarze 268:
269: n = n->child;
1.160 schwarze 270: if (n == NULL) {
1.134 schwarze 271: mt->pardist = 1;
1.185 schwarze 272: return 0;
1.134 schwarze 273: }
1.171 schwarze 274: assert(n->type == ROFFT_TEXT);
1.160 schwarze 275: if (a2roffsu(n->string, &su, SCALE_VS))
276: mt->pardist = term_vspan(p, &su);
1.185 schwarze 277: return 0;
1.134 schwarze 278: }
279:
280: static int
1.88 kristaps 281: pre_alternate(DECL_ARGS)
1.3 kristaps 282: {
1.88 kristaps 283: enum termfont font[2];
1.172 schwarze 284: struct roff_node *nn;
1.88 kristaps 285: int savelit, i;
1.3 kristaps 286:
1.88 kristaps 287: switch (n->tok) {
1.146 schwarze 288: case MAN_RB:
1.88 kristaps 289: font[0] = TERMFONT_NONE;
290: font[1] = TERMFONT_BOLD;
291: break;
1.146 schwarze 292: case MAN_RI:
1.88 kristaps 293: font[0] = TERMFONT_NONE;
294: font[1] = TERMFONT_UNDER;
295: break;
1.146 schwarze 296: case MAN_BR:
1.88 kristaps 297: font[0] = TERMFONT_BOLD;
298: font[1] = TERMFONT_NONE;
299: break;
1.146 schwarze 300: case MAN_BI:
1.88 kristaps 301: font[0] = TERMFONT_BOLD;
302: font[1] = TERMFONT_UNDER;
303: break;
1.146 schwarze 304: case MAN_IR:
1.88 kristaps 305: font[0] = TERMFONT_UNDER;
306: font[1] = TERMFONT_NONE;
307: break;
1.146 schwarze 308: case MAN_IB:
1.88 kristaps 309: font[0] = TERMFONT_UNDER;
310: font[1] = TERMFONT_BOLD;
311: break;
312: default:
313: abort();
314: }
1.35 kristaps 315:
1.88 kristaps 316: savelit = MANT_LITERAL & mt->fl;
317: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 318:
1.88 kristaps 319: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
320: term_fontrepl(p, font[i]);
321: if (savelit && NULL == nn->next)
322: mt->fl |= MANT_LITERAL;
1.179 schwarze 323: assert(nn->type == ROFFT_TEXT);
324: term_word(p, nn->string);
1.188 schwarze 325: if (nn->flags & NODE_EOS)
1.179 schwarze 326: p->flags |= TERMP_SENTENCE;
1.88 kristaps 327: if (nn->next)
1.4 kristaps 328: p->flags |= TERMP_NOSPACE;
1.3 kristaps 329: }
330:
1.185 schwarze 331: return 0;
1.3 kristaps 332: }
333:
1.1 kristaps 334: static int
335: pre_B(DECL_ARGS)
336: {
337:
1.52 kristaps 338: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 339: return 1;
1.127 kristaps 340: }
341:
342: static int
343: pre_OP(DECL_ARGS)
344: {
345:
346: term_word(p, "[");
347: p->flags |= TERMP_NOSPACE;
348:
349: if (NULL != (n = n->child)) {
350: term_fontrepl(p, TERMFONT_BOLD);
351: term_word(p, n->string);
352: }
353: if (NULL != n && NULL != n->next) {
354: term_fontrepl(p, TERMFONT_UNDER);
355: term_word(p, n->next->string);
356: }
357:
358: term_fontrepl(p, TERMFONT_NONE);
359: p->flags |= TERMP_NOSPACE;
360: term_word(p, "]");
1.185 schwarze 361: return 0;
1.89 kristaps 362: }
363:
364: static int
365: pre_ft(DECL_ARGS)
366: {
367: const char *cp;
368:
369: if (NULL == n->child) {
370: term_fontlast(p);
1.185 schwarze 371: return 0;
1.89 kristaps 372: }
373:
374: cp = n->child->string;
375: switch (*cp) {
1.146 schwarze 376: case '4':
377: case '3':
378: case 'B':
1.89 kristaps 379: term_fontrepl(p, TERMFONT_BOLD);
380: break;
1.146 schwarze 381: case '2':
382: case 'I':
1.89 kristaps 383: term_fontrepl(p, TERMFONT_UNDER);
384: break;
1.146 schwarze 385: case 'P':
1.89 kristaps 386: term_fontlast(p);
387: break;
1.146 schwarze 388: case '1':
389: case 'C':
390: case 'R':
1.89 kristaps 391: term_fontrepl(p, TERMFONT_NONE);
392: break;
393: default:
394: break;
395: }
1.185 schwarze 396: return 0;
1.83 kristaps 397: }
398:
399: static int
400: pre_in(DECL_ARGS)
401: {
1.163 schwarze 402: struct roffsu su;
403: const char *cp;
1.83 kristaps 404: size_t v;
1.163 schwarze 405: int less;
1.83 kristaps 406:
407: term_newln(p);
408:
409: if (NULL == n->child) {
410: p->offset = mt->offset;
1.185 schwarze 411: return 0;
1.83 kristaps 412: }
413:
414: cp = n->child->string;
415: less = 0;
416:
417: if ('-' == *cp)
418: less = -1;
419: else if ('+' == *cp)
420: less = 1;
421: else
422: cp--;
423:
1.163 schwarze 424: if ( ! a2roffsu(++cp, &su, SCALE_EN))
1.185 schwarze 425: return 0;
1.83 kristaps 426:
1.175 schwarze 427: v = (term_hspan(p, &su) + 11) / 24;
1.83 kristaps 428:
429: if (less < 0)
430: p->offset -= p->offset > v ? v : p->offset;
431: else if (less > 0)
432: p->offset += v;
1.146 schwarze 433: else
1.83 kristaps 434: p->offset = v;
1.164 schwarze 435: if (p->offset > SHRT_MAX)
436: p->offset = term_len(p, p->defindent);
1.95 kristaps 437:
1.185 schwarze 438: return 0;
1.1 kristaps 439: }
440:
441: static int
1.19 kristaps 442: pre_sp(DECL_ARGS)
443: {
1.162 schwarze 444: struct roffsu su;
1.163 schwarze 445: int i, len;
1.112 kristaps 446:
447: if ((NULL == n->prev && n->parent)) {
1.132 schwarze 448: switch (n->parent->tok) {
1.146 schwarze 449: case MAN_SH:
450: case MAN_SS:
451: case MAN_PP:
452: case MAN_LP:
453: case MAN_P:
1.185 schwarze 454: return 0;
1.132 schwarze 455: default:
456: break;
457: }
1.112 kristaps 458: }
1.19 kristaps 459:
1.194 ! schwarze 460: if (n->child == NULL)
1.163 schwarze 461: len = 1;
462: else {
463: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1.162 schwarze 464: su.scale = 1.0;
465: len = term_vspan(p, &su);
1.82 kristaps 466: }
1.38 kristaps 467:
1.163 schwarze 468: if (len == 0)
1.19 kristaps 469: term_newln(p);
1.163 schwarze 470: else if (len < 0)
471: p->skipvsp -= len;
1.131 schwarze 472: else
473: for (i = 0; i < len; i++)
474: term_vspace(p);
1.183 schwarze 475:
476: /*
477: * Handle an explicit break request in the same way
478: * as an overflowing line.
479: */
480:
481: if (p->flags & TERMP_BRIND) {
482: p->offset = p->rmargin;
483: p->rmargin = p->maxrmargin;
484: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
485: }
1.19 kristaps 486:
1.185 schwarze 487: return 0;
1.15 kristaps 488: }
489:
490: static int
1.19 kristaps 491: pre_HP(DECL_ARGS)
492: {
1.163 schwarze 493: struct roffsu su;
1.172 schwarze 494: const struct roff_node *nn;
1.163 schwarze 495: int len;
1.19 kristaps 496:
1.20 kristaps 497: switch (n->type) {
1.171 schwarze 498: case ROFFT_BLOCK:
1.134 schwarze 499: print_bvspace(p, n, mt->pardist);
1.185 schwarze 500: return 1;
1.171 schwarze 501: case ROFFT_BODY:
1.20 kristaps 502: break;
503: default:
1.185 schwarze 504: return 0;
1.20 kristaps 505: }
506:
1.130 schwarze 507: if ( ! (MANT_LITERAL & mt->fl)) {
1.145 schwarze 508: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 509: p->trailspace = 2;
1.130 schwarze 510: }
511:
1.24 kristaps 512: /* Calculate offset. */
513:
1.163 schwarze 514: if ((nn = n->parent->head->child) != NULL &&
515: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 516: len = term_hspan(p, &su) / 24;
1.164 schwarze 517: if (len < 0 && (size_t)(-len) > mt->offset)
518: len = -mt->offset;
519: else if (len > SHRT_MAX)
520: len = term_len(p, p->defindent);
1.163 schwarze 521: mt->lmargin[mt->lmargincur] = len;
522: } else
523: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 524:
1.26 kristaps 525: p->offset = mt->offset;
1.164 schwarze 526: p->rmargin = mt->offset + len;
1.185 schwarze 527: return 1;
1.19 kristaps 528: }
529:
1.20 kristaps 530: static void
531: post_HP(DECL_ARGS)
532: {
533:
534: switch (n->type) {
1.171 schwarze 535: case ROFFT_BODY:
1.136 schwarze 536: term_newln(p);
1.174 schwarze 537:
538: /*
539: * Compatibility with a groff bug.
540: * The .HP macro uses the undocumented .tag request
541: * which causes a line break and cancels no-space
542: * mode even if there isn't any output.
543: */
544:
545: if (n->child == NULL)
546: term_vspace(p);
547:
1.145 schwarze 548: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 549: p->trailspace = 0;
1.26 kristaps 550: p->offset = mt->offset;
1.20 kristaps 551: p->rmargin = p->maxrmargin;
552: break;
553: default:
554: break;
555: }
556: }
557:
1.19 kristaps 558: static int
1.1 kristaps 559: pre_PP(DECL_ARGS)
560: {
561:
1.19 kristaps 562: switch (n->type) {
1.171 schwarze 563: case ROFFT_BLOCK:
1.122 schwarze 564: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 565: print_bvspace(p, n, mt->pardist);
1.19 kristaps 566: break;
567: default:
1.26 kristaps 568: p->offset = mt->offset;
1.19 kristaps 569: break;
570: }
571:
1.185 schwarze 572: return n->type != ROFFT_HEAD;
1.1 kristaps 573: }
574:
575: static int
1.4 kristaps 576: pre_IP(DECL_ARGS)
577: {
1.163 schwarze 578: struct roffsu su;
1.172 schwarze 579: const struct roff_node *nn;
1.163 schwarze 580: int len, savelit;
1.18 kristaps 581:
1.22 kristaps 582: switch (n->type) {
1.171 schwarze 583: case ROFFT_BODY:
1.22 kristaps 584: p->flags |= TERMP_NOSPACE;
585: break;
1.171 schwarze 586: case ROFFT_HEAD:
1.22 kristaps 587: p->flags |= TERMP_NOBREAK;
1.139 schwarze 588: p->trailspace = 1;
1.22 kristaps 589: break;
1.171 schwarze 590: case ROFFT_BLOCK:
1.134 schwarze 591: print_bvspace(p, n, mt->pardist);
1.23 kristaps 592: /* FALLTHROUGH */
1.22 kristaps 593: default:
1.185 schwarze 594: return 1;
1.22 kristaps 595: }
1.18 kristaps 596:
1.94 schwarze 597: /* Calculate the offset from the optional second argument. */
1.163 schwarze 598: if ((nn = n->parent->head->child) != NULL &&
599: (nn = nn->next) != NULL &&
600: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 601: len = term_hspan(p, &su) / 24;
1.163 schwarze 602: if (len < 0 && (size_t)(-len) > mt->offset)
603: len = -mt->offset;
1.164 schwarze 604: else if (len > SHRT_MAX)
605: len = term_len(p, p->defindent);
606: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 607: } else
608: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 609:
1.22 kristaps 610: switch (n->type) {
1.171 schwarze 611: case ROFFT_HEAD:
1.26 kristaps 612: p->offset = mt->offset;
613: p->rmargin = mt->offset + len;
1.18 kristaps 614:
1.94 schwarze 615: savelit = MANT_LITERAL & mt->fl;
616: mt->fl &= ~MANT_LITERAL;
617:
618: if (n->child)
1.135 schwarze 619: print_man_node(p, mt, n->child, meta);
1.94 schwarze 620:
621: if (savelit)
622: mt->fl |= MANT_LITERAL;
623:
1.185 schwarze 624: return 0;
1.171 schwarze 625: case ROFFT_BODY:
1.26 kristaps 626: p->offset = mt->offset + len;
1.156 schwarze 627: p->rmargin = p->maxrmargin;
1.23 kristaps 628: break;
1.22 kristaps 629: default:
630: break;
1.18 kristaps 631: }
632:
1.185 schwarze 633: return 1;
1.22 kristaps 634: }
1.18 kristaps 635:
1.22 kristaps 636: static void
637: post_IP(DECL_ARGS)
638: {
1.4 kristaps 639:
1.22 kristaps 640: switch (n->type) {
1.171 schwarze 641: case ROFFT_HEAD:
1.22 kristaps 642: term_flushln(p);
643: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 644: p->trailspace = 0;
1.22 kristaps 645: p->rmargin = p->maxrmargin;
646: break;
1.171 schwarze 647: case ROFFT_BODY:
1.94 schwarze 648: term_newln(p);
1.138 schwarze 649: p->offset = mt->offset;
1.22 kristaps 650: break;
651: default:
652: break;
653: }
1.4 kristaps 654: }
655:
656: static int
1.1 kristaps 657: pre_TP(DECL_ARGS)
658: {
1.163 schwarze 659: struct roffsu su;
1.172 schwarze 660: struct roff_node *nn;
1.163 schwarze 661: int len, savelit;
1.1 kristaps 662:
1.21 kristaps 663: switch (n->type) {
1.171 schwarze 664: case ROFFT_HEAD:
1.184 schwarze 665: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 666: p->trailspace = 1;
1.21 kristaps 667: break;
1.171 schwarze 668: case ROFFT_BODY:
1.21 kristaps 669: p->flags |= TERMP_NOSPACE;
1.23 kristaps 670: break;
1.171 schwarze 671: case ROFFT_BLOCK:
1.134 schwarze 672: print_bvspace(p, n, mt->pardist);
1.23 kristaps 673: /* FALLTHROUGH */
674: default:
1.185 schwarze 675: return 1;
1.23 kristaps 676: }
677:
678: /* Calculate offset. */
679:
1.163 schwarze 680: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 681: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.163 schwarze 682: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 683: len = term_hspan(p, &su) / 24;
1.163 schwarze 684: if (len < 0 && (size_t)(-len) > mt->offset)
685: len = -mt->offset;
1.164 schwarze 686: else if (len > SHRT_MAX)
687: len = term_len(p, p->defindent);
688: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 689: } else
690: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 691:
692: switch (n->type) {
1.171 schwarze 693: case ROFFT_HEAD:
1.26 kristaps 694: p->offset = mt->offset;
695: p->rmargin = mt->offset + len;
1.23 kristaps 696:
1.94 schwarze 697: savelit = MANT_LITERAL & mt->fl;
698: mt->fl &= ~MANT_LITERAL;
699:
1.23 kristaps 700: /* Don't print same-line elements. */
1.141 schwarze 701: nn = n->child;
1.188 schwarze 702: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.141 schwarze 703: nn = nn->next;
704:
705: while (NULL != nn) {
706: print_man_node(p, mt, nn, meta);
707: nn = nn->next;
708: }
1.24 kristaps 709:
1.94 schwarze 710: if (savelit)
711: mt->fl |= MANT_LITERAL;
1.185 schwarze 712: return 0;
1.171 schwarze 713: case ROFFT_BODY:
1.26 kristaps 714: p->offset = mt->offset + len;
1.156 schwarze 715: p->rmargin = p->maxrmargin;
1.139 schwarze 716: p->trailspace = 0;
1.184 schwarze 717: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 718: break;
719: default:
720: break;
721: }
1.16 kristaps 722:
1.185 schwarze 723: return 1;
1.21 kristaps 724: }
1.1 kristaps 725:
1.21 kristaps 726: static void
727: post_TP(DECL_ARGS)
728: {
1.1 kristaps 729:
1.21 kristaps 730: switch (n->type) {
1.171 schwarze 731: case ROFFT_HEAD:
1.21 kristaps 732: term_flushln(p);
733: break;
1.171 schwarze 734: case ROFFT_BODY:
1.94 schwarze 735: term_newln(p);
1.138 schwarze 736: p->offset = mt->offset;
1.21 kristaps 737: break;
738: default:
739: break;
740: }
1.1 kristaps 741: }
742:
743: static int
744: pre_SS(DECL_ARGS)
745: {
1.134 schwarze 746: int i;
1.1 kristaps 747:
1.19 kristaps 748: switch (n->type) {
1.171 schwarze 749: case ROFFT_BLOCK:
1.113 kristaps 750: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 751: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
752: mt->offset = term_len(p, p->defindent);
1.158 schwarze 753:
754: /*
755: * No vertical space before the first subsection
756: * and after an empty subsection.
757: */
758:
759: do {
760: n = n->prev;
1.182 schwarze 761: } while (n != NULL && n->tok != TOKEN_NONE &&
1.170 schwarze 762: termacts[n->tok].flags & MAN_NOTEXT);
1.158 schwarze 763: if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 764: break;
1.158 schwarze 765:
1.134 schwarze 766: for (i = 0; i < mt->pardist; i++)
767: term_vspace(p);
1.19 kristaps 768: break;
1.171 schwarze 769: case ROFFT_HEAD:
1.52 kristaps 770: term_fontrepl(p, TERMFONT_BOLD);
1.133 schwarze 771: p->offset = term_len(p, 3);
1.176 schwarze 772: p->rmargin = mt->offset;
773: p->trailspace = mt->offset;
774: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 775: break;
1.171 schwarze 776: case ROFFT_BODY:
1.26 kristaps 777: p->offset = mt->offset;
1.176 schwarze 778: p->rmargin = p->maxrmargin;
779: p->trailspace = 0;
780: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 781: break;
1.19 kristaps 782: default:
783: break;
784: }
785:
1.185 schwarze 786: return 1;
1.1 kristaps 787: }
788:
789: static void
790: post_SS(DECL_ARGS)
791: {
1.146 schwarze 792:
1.19 kristaps 793: switch (n->type) {
1.171 schwarze 794: case ROFFT_HEAD:
1.19 kristaps 795: term_newln(p);
796: break;
1.171 schwarze 797: case ROFFT_BODY:
1.24 kristaps 798: term_newln(p);
799: break;
1.19 kristaps 800: default:
801: break;
802: }
1.1 kristaps 803: }
804:
805: static int
806: pre_SH(DECL_ARGS)
807: {
1.134 schwarze 808: int i;
1.22 kristaps 809:
1.19 kristaps 810: switch (n->type) {
1.171 schwarze 811: case ROFFT_BLOCK:
1.113 kristaps 812: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 813: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
814: mt->offset = term_len(p, p->defindent);
1.158 schwarze 815:
816: /*
817: * No vertical space before the first section
818: * and after an empty section.
819: */
820:
821: do {
822: n = n->prev;
1.191 schwarze 823: } while (n != NULL && n->tok != TOKEN_NONE &&
1.190 schwarze 824: termacts[n->tok].flags & MAN_NOTEXT);
1.158 schwarze 825: if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 826: break;
1.158 schwarze 827:
1.134 schwarze 828: for (i = 0; i < mt->pardist; i++)
829: term_vspace(p);
1.19 kristaps 830: break;
1.171 schwarze 831: case ROFFT_HEAD:
1.52 kristaps 832: term_fontrepl(p, TERMFONT_BOLD);
1.19 kristaps 833: p->offset = 0;
1.176 schwarze 834: p->rmargin = mt->offset;
835: p->trailspace = mt->offset;
836: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 837: break;
1.171 schwarze 838: case ROFFT_BODY:
1.26 kristaps 839: p->offset = mt->offset;
1.176 schwarze 840: p->rmargin = p->maxrmargin;
841: p->trailspace = 0;
842: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 843: break;
844: default:
845: break;
846: }
1.1 kristaps 847:
1.185 schwarze 848: return 1;
1.1 kristaps 849: }
850:
851: static void
852: post_SH(DECL_ARGS)
853: {
1.146 schwarze 854:
1.19 kristaps 855: switch (n->type) {
1.171 schwarze 856: case ROFFT_HEAD:
1.19 kristaps 857: term_newln(p);
858: break;
1.171 schwarze 859: case ROFFT_BODY:
1.19 kristaps 860: term_newln(p);
861: break;
862: default:
863: break;
864: }
1.1 kristaps 865: }
866:
1.26 kristaps 867: static int
868: pre_RS(DECL_ARGS)
869: {
1.163 schwarze 870: struct roffsu su;
1.26 kristaps 871:
872: switch (n->type) {
1.171 schwarze 873: case ROFFT_BLOCK:
1.26 kristaps 874: term_newln(p);
1.185 schwarze 875: return 1;
1.171 schwarze 876: case ROFFT_HEAD:
1.185 schwarze 877: return 0;
1.26 kristaps 878: default:
879: break;
880: }
881:
1.165 schwarze 882: n = n->parent->head;
883: n->aux = SHRT_MAX + 1;
1.177 schwarze 884: if (n->child == NULL)
885: n->aux = mt->lmargin[mt->lmargincur];
886: else if (a2roffsu(n->child->string, &su, SCALE_EN))
1.175 schwarze 887: n->aux = term_hspan(p, &su) / 24;
1.165 schwarze 888: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
889: n->aux = -mt->offset;
890: else if (n->aux > SHRT_MAX)
891: n->aux = term_len(p, p->defindent);
1.26 kristaps 892:
1.165 schwarze 893: mt->offset += n->aux;
1.140 schwarze 894: p->offset = mt->offset;
1.156 schwarze 895: p->rmargin = p->maxrmargin;
1.26 kristaps 896:
1.116 schwarze 897: if (++mt->lmarginsz < MAXMARGINS)
898: mt->lmargincur = mt->lmarginsz;
899:
1.178 schwarze 900: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 901: return 1;
1.26 kristaps 902: }
903:
904: static void
905: post_RS(DECL_ARGS)
906: {
907:
908: switch (n->type) {
1.171 schwarze 909: case ROFFT_BLOCK:
1.110 kristaps 910: return;
1.171 schwarze 911: case ROFFT_HEAD:
1.110 kristaps 912: return;
1.26 kristaps 913: default:
914: term_newln(p);
915: break;
916: }
1.110 kristaps 917:
1.165 schwarze 918: mt->offset -= n->parent->head->aux;
1.110 kristaps 919: p->offset = mt->offset;
1.116 schwarze 920:
921: if (--mt->lmarginsz < MAXMARGINS)
922: mt->lmargincur = mt->lmarginsz;
1.137 schwarze 923: }
924:
925: static int
926: pre_UR(DECL_ARGS)
927: {
928:
1.185 schwarze 929: return n->type != ROFFT_HEAD;
1.137 schwarze 930: }
931:
932: static void
933: post_UR(DECL_ARGS)
934: {
935:
1.171 schwarze 936: if (n->type != ROFFT_BLOCK)
1.137 schwarze 937: return;
938:
939: term_word(p, "<");
940: p->flags |= TERMP_NOSPACE;
941:
942: if (NULL != n->child->child)
943: print_man_node(p, mt, n->child->child, meta);
944:
945: p->flags |= TERMP_NOSPACE;
946: term_word(p, ">");
1.26 kristaps 947: }
948:
1.1 kristaps 949: static void
1.45 kristaps 950: print_man_node(DECL_ARGS)
1.1 kristaps 951: {
1.65 joerg 952: size_t rm, rmax;
1.54 kristaps 953: int c;
1.1 kristaps 954:
955: switch (n->type) {
1.171 schwarze 956: case ROFFT_TEXT:
1.97 kristaps 957: /*
958: * If we have a blank line, output a vertical space.
959: * If we have a space as the first character, break
960: * before printing the line's data.
961: */
1.96 kristaps 962: if ('\0' == *n->string) {
1.4 kristaps 963: term_vspace(p);
1.98 schwarze 964: return;
1.188 schwarze 965: } else if (' ' == *n->string && NODE_LINE & n->flags)
1.96 kristaps 966: term_newln(p);
1.54 kristaps 967:
1.4 kristaps 968: term_word(p, n->string);
1.130 schwarze 969: goto out;
1.52 kristaps 970:
1.171 schwarze 971: case ROFFT_EQN:
1.188 schwarze 972: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 973: p->flags |= TERMP_NOSPACE;
1.115 kristaps 974: term_eqn(p, n->eqn);
1.188 schwarze 975: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 976: p->flags |= TERMP_NOSPACE;
1.97 kristaps 977: return;
1.171 schwarze 978: case ROFFT_TBL:
1.169 schwarze 979: if (p->tbl.cols == NULL)
980: term_vspace(p);
1.92 kristaps 981: term_tbl(p, n->span);
1.97 kristaps 982: return;
1.1 kristaps 983: default:
984: break;
985: }
986:
1.193 schwarze 987: if (n->tok < ROFF_MAX) {
1.194 ! schwarze 988: roff_term_pre(p, n);
1.193 schwarze 989: return;
990: }
991:
992: assert(n->tok >= MAN_TH && n->tok <= MAN_MAX);
1.97 kristaps 993: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
994: term_fontrepl(p, TERMFONT_NONE);
995:
996: c = 1;
997: if (termacts[n->tok].pre)
1.135 schwarze 998: c = (*termacts[n->tok].pre)(p, mt, n, meta);
1.97 kristaps 999:
1.1 kristaps 1000: if (c && n->child)
1.135 schwarze 1001: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1002:
1.97 kristaps 1003: if (termacts[n->tok].post)
1.135 schwarze 1004: (*termacts[n->tok].post)(p, mt, n, meta);
1.97 kristaps 1005: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
1006: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 1007:
1.130 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: */
1.157 schwarze 1016: if (mt->fl & MANT_LITERAL &&
1017: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 1018: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.130 schwarze 1019: rm = p->rmargin;
1020: rmax = p->maxrmargin;
1021: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1022: p->flags |= TERMP_NOSPACE;
1.157 schwarze 1023: if (n->string != NULL && *n->string != '\0')
1.130 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: }
1.188 schwarze 1034: if (NODE_EOS & n->flags)
1.63 kristaps 1035: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1036: }
1037:
1038:
1039: static void
1.52 kristaps 1040: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1041: {
1.19 kristaps 1042:
1.168 schwarze 1043: while (n != NULL) {
1044: print_man_node(p, mt, n, meta);
1045: n = n->next;
1046: }
1.1 kristaps 1047: }
1048:
1.31 kristaps 1049: static void
1.173 schwarze 1050: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1051: {
1.147 schwarze 1052: char *title;
1.156 schwarze 1053: size_t datelen, titlen;
1.73 kristaps 1054:
1.125 schwarze 1055: assert(meta->title);
1056: assert(meta->msec);
1057: assert(meta->date);
1.1 kristaps 1058:
1.52 kristaps 1059: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1060:
1.149 schwarze 1061: if (meta->hasbody)
1062: term_vspace(p);
1.126 schwarze 1063:
1064: /*
1065: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1066: * In the bottom right corner, use the operating system
1067: * instead of the title.
1.126 schwarze 1068: */
1069:
1070: if ( ! p->mdocstyle) {
1.149 schwarze 1071: if (meta->hasbody) {
1072: term_vspace(p);
1073: term_vspace(p);
1074: }
1.147 schwarze 1075: mandoc_asprintf(&title, "%s(%s)",
1076: meta->title, meta->msec);
1.173 schwarze 1077: } else if (meta->os) {
1078: title = mandoc_strdup(meta->os);
1.126 schwarze 1079: } else {
1.147 schwarze 1080: title = mandoc_strdup("");
1.126 schwarze 1081: }
1.125 schwarze 1082: datelen = term_strlen(p, meta->date);
1.1 kristaps 1083:
1.173 schwarze 1084: /* Bottom left corner: operating system. */
1.126 schwarze 1085:
1.1 kristaps 1086: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1087: p->trailspace = 1;
1.1 kristaps 1088: p->offset = 0;
1.156 schwarze 1089: p->rmargin = p->maxrmargin > datelen ?
1090: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1091:
1.173 schwarze 1092: if (meta->os)
1093: term_word(p, meta->os);
1.1 kristaps 1094: term_flushln(p);
1095:
1.126 schwarze 1096: /* At the bottom in the middle: manual date. */
1097:
1.156 schwarze 1098: p->offset = p->rmargin;
1099: titlen = term_strlen(p, title);
1100: p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
1.117 schwarze 1101: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1102:
1.125 schwarze 1103: term_word(p, meta->date);
1.123 schwarze 1104: term_flushln(p);
1105:
1.126 schwarze 1106: /* Bottom right corner: manual title and section. */
1107:
1.123 schwarze 1108: p->flags &= ~TERMP_NOBREAK;
1109: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1110: p->trailspace = 0;
1.123 schwarze 1111: p->offset = p->rmargin;
1.1 kristaps 1112: p->rmargin = p->maxrmargin;
1113:
1.123 schwarze 1114: term_word(p, title);
1.1 kristaps 1115: term_flushln(p);
1.147 schwarze 1116: free(title);
1.1 kristaps 1117: }
1118:
1.31 kristaps 1119: static void
1.173 schwarze 1120: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1121: {
1.148 schwarze 1122: const char *volume;
1.147 schwarze 1123: char *title;
1.148 schwarze 1124: size_t vollen, titlen;
1.73 kristaps 1125:
1.135 schwarze 1126: assert(meta->title);
1127: assert(meta->msec);
1.1 kristaps 1128:
1.148 schwarze 1129: volume = NULL == meta->vol ? "" : meta->vol;
1130: vollen = term_strlen(p, volume);
1.1 kristaps 1131:
1.126 schwarze 1132: /* Top left corner: manual title and section. */
1133:
1.147 schwarze 1134: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1135: titlen = term_strlen(p, title);
1.1 kristaps 1136:
1.118 schwarze 1137: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1138: p->trailspace = 1;
1.1 kristaps 1139: p->offset = 0;
1.148 schwarze 1140: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1141: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1142: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1143:
1144: term_word(p, title);
1145: term_flushln(p);
1146:
1.126 schwarze 1147: /* At the top in the middle: manual volume. */
1148:
1.117 schwarze 1149: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1150: p->offset = p->rmargin;
1.148 schwarze 1151: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.57 kristaps 1152: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1153:
1.148 schwarze 1154: term_word(p, volume);
1.1 kristaps 1155: term_flushln(p);
1156:
1.126 schwarze 1157: /* Top right corner: title and section, again. */
1158:
1.1 kristaps 1159: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1160: p->trailspace = 0;
1.57 kristaps 1161: if (p->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1162: p->flags |= TERMP_NOSPACE;
1.57 kristaps 1163: p->offset = p->rmargin;
1164: p->rmargin = p->maxrmargin;
1165: term_word(p, title);
1166: term_flushln(p);
1167: }
1.1 kristaps 1168:
1.118 schwarze 1169: p->flags &= ~TERMP_NOSPACE;
1170: p->offset = 0;
1.1 kristaps 1171: p->rmargin = p->maxrmargin;
1.61 kristaps 1172:
1.146 schwarze 1173: /*
1.126 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.
1.62 kristaps 1177: */
1178:
1.61 kristaps 1179: term_vspace(p);
1.126 schwarze 1180: if ( ! p->mdocstyle) {
1181: term_vspace(p);
1182: term_vspace(p);
1183: }
1.147 schwarze 1184: free(title);
1.1 kristaps 1185: }
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