Annotation of mandoc/man_term.c, Revision 1.192
1.192 ! schwarze 1: /* $Id: man_term.c,v 1.191 2017/02/15 14:10:08 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 */
1.192 ! schwarze 119: { pre_sp, NULL, MAN_NOTEXT }, /* br */
1.56 kristaps 120: { pre_sp, NULL, MAN_NOTEXT }, /* sp */
1.84 kristaps 121: { pre_literal, NULL, 0 }, /* nf */
122: { pre_literal, NULL, 0 }, /* fi */
1.56 kristaps 123: { NULL, NULL, 0 }, /* RE */
124: { pre_RS, post_RS, 0 }, /* RS */
125: { pre_ign, NULL, 0 }, /* DT */
1.158 schwarze 126: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 127: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.70 joerg 128: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 129: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.89 kristaps 130: { pre_ft, NULL, MAN_NOTEXT }, /* ft */
1.127 kristaps 131: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 132: { pre_literal, NULL, 0 }, /* EX */
133: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 134: { pre_UR, post_UR, 0 }, /* UR */
135: { NULL, NULL, 0 }, /* UE */
1.143 schwarze 136: { pre_ll, NULL, MAN_NOTEXT }, /* ll */
1.1 kristaps 137: };
1.192 ! schwarze 138: static const struct termact *termacts = __termacts - MAN_TH;
1.1 kristaps 139:
140:
1.31 kristaps 141: void
1.180 schwarze 142: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 143: {
1.36 kristaps 144: struct termp *p;
1.172 schwarze 145: struct roff_node *n;
1.36 kristaps 146: struct mtermp mt;
1.189 schwarze 147: size_t save_defindent;
1.36 kristaps 148:
149: p = (struct termp *)arg;
1.58 kristaps 150: p->overstep = 0;
1.151 schwarze 151: p->rmargin = p->maxrmargin = p->defrmargin;
1.77 kristaps 152: p->tabwidth = term_len(p, 5);
1.36 kristaps 153:
1.116 schwarze 154: memset(&mt, 0, sizeof(struct mtermp));
1.122 schwarze 155: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
156: mt.offset = term_len(p, p->defindent);
1.134 schwarze 157: mt.pardist = 1;
1.24 kristaps 158:
1.181 schwarze 159: n = man->first->child;
1.151 schwarze 160: if (p->synopsisonly) {
161: while (n != NULL) {
162: if (n->tok == MAN_SH &&
1.171 schwarze 163: n->child->child->type == ROFFT_TEXT &&
1.151 schwarze 164: !strcmp(n->child->child->string, "SYNOPSIS")) {
165: if (n->child->next->child != NULL)
166: print_man_nodelist(p, &mt,
1.181 schwarze 167: n->child->next->child,
168: &man->meta);
1.151 schwarze 169: term_newln(p);
170: break;
171: }
172: n = n->next;
173: }
174: } else {
1.189 schwarze 175: save_defindent = p->defindent;
1.151 schwarze 176: if (p->defindent == 0)
177: p->defindent = 7;
1.181 schwarze 178: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.151 schwarze 179: p->flags |= TERMP_NOSPACE;
180: if (n != NULL)
1.181 schwarze 181: print_man_nodelist(p, &mt, n, &man->meta);
1.151 schwarze 182: term_end(p);
1.189 schwarze 183: p->defindent = save_defindent;
1.151 schwarze 184: }
1.1 kristaps 185: }
186:
1.111 kristaps 187: /*
188: * Printing leading vertical space before a block.
189: * This is used for the paragraph macros.
190: * The rules are pretty simple, since there's very little nesting going
191: * on here. Basically, if we're the first within another block (SS/SH),
192: * then don't emit vertical space. If we are (RS), then do. If not the
193: * first, print it.
194: */
1.39 kristaps 195: static void
1.172 schwarze 196: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 kristaps 197: {
1.134 schwarze 198: int i;
1.111 kristaps 199:
1.39 kristaps 200: term_newln(p);
1.101 schwarze 201:
1.111 kristaps 202: if (n->body && n->body->child)
1.171 schwarze 203: if (n->body->child->type == ROFFT_TBL)
1.111 kristaps 204: return;
205:
1.171 schwarze 206: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.111 kristaps 207: if (NULL == n->prev)
208: return;
1.18 kristaps 209:
1.134 schwarze 210: for (i = 0; i < pardist; i++)
211: term_vspace(p);
1.18 kristaps 212: }
213:
1.146 schwarze 214:
1.1 kristaps 215: static int
1.29 kristaps 216: pre_ign(DECL_ARGS)
217: {
218:
1.185 schwarze 219: return 0;
1.143 schwarze 220: }
221:
222: static int
223: pre_ll(DECL_ARGS)
224: {
225:
1.187 schwarze 226: term_setwidth(p, n->child != NULL ? n->child->string : NULL);
1.185 schwarze 227: return 0;
1.29 kristaps 228: }
229:
230: static int
1.1 kristaps 231: pre_I(DECL_ARGS)
232: {
233:
1.52 kristaps 234: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 235: return 1;
1.19 kristaps 236: }
237:
1.3 kristaps 238: static int
1.84 kristaps 239: pre_literal(DECL_ARGS)
1.19 kristaps 240: {
241:
1.81 kristaps 242: term_newln(p);
1.88 kristaps 243:
1.129 schwarze 244: if (MAN_nf == n->tok || MAN_EX == n->tok)
1.84 kristaps 245: mt->fl |= MANT_LITERAL;
1.88 kristaps 246: else
1.84 kristaps 247: mt->fl &= ~MANT_LITERAL;
248:
1.117 schwarze 249: /*
250: * Unlike .IP and .TP, .HP does not have a HEAD.
251: * So in case a second call to term_flushln() is needed,
252: * indentation has to be set up explicitly.
253: */
254: if (MAN_HP == n->parent->tok && p->rmargin < p->maxrmargin) {
1.121 schwarze 255: p->offset = p->rmargin;
1.117 schwarze 256: p->rmargin = p->maxrmargin;
1.139 schwarze 257: p->trailspace = 0;
1.145 schwarze 258: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 259: p->flags |= TERMP_NOSPACE;
260: }
261:
1.185 schwarze 262: return 0;
1.19 kristaps 263: }
264:
265: static int
1.134 schwarze 266: pre_PD(DECL_ARGS)
267: {
1.160 schwarze 268: struct roffsu su;
1.134 schwarze 269:
270: n = n->child;
1.160 schwarze 271: if (n == NULL) {
1.134 schwarze 272: mt->pardist = 1;
1.185 schwarze 273: return 0;
1.134 schwarze 274: }
1.171 schwarze 275: assert(n->type == ROFFT_TEXT);
1.160 schwarze 276: if (a2roffsu(n->string, &su, SCALE_VS))
277: mt->pardist = term_vspan(p, &su);
1.185 schwarze 278: return 0;
1.134 schwarze 279: }
280:
281: static int
1.88 kristaps 282: pre_alternate(DECL_ARGS)
1.3 kristaps 283: {
1.88 kristaps 284: enum termfont font[2];
1.172 schwarze 285: struct roff_node *nn;
1.88 kristaps 286: int savelit, i;
1.3 kristaps 287:
1.88 kristaps 288: switch (n->tok) {
1.146 schwarze 289: case MAN_RB:
1.88 kristaps 290: font[0] = TERMFONT_NONE;
291: font[1] = TERMFONT_BOLD;
292: break;
1.146 schwarze 293: case MAN_RI:
1.88 kristaps 294: font[0] = TERMFONT_NONE;
295: font[1] = TERMFONT_UNDER;
296: break;
1.146 schwarze 297: case MAN_BR:
1.88 kristaps 298: font[0] = TERMFONT_BOLD;
299: font[1] = TERMFONT_NONE;
300: break;
1.146 schwarze 301: case MAN_BI:
1.88 kristaps 302: font[0] = TERMFONT_BOLD;
303: font[1] = TERMFONT_UNDER;
304: break;
1.146 schwarze 305: case MAN_IR:
1.88 kristaps 306: font[0] = TERMFONT_UNDER;
307: font[1] = TERMFONT_NONE;
308: break;
1.146 schwarze 309: case MAN_IB:
1.88 kristaps 310: font[0] = TERMFONT_UNDER;
311: font[1] = TERMFONT_BOLD;
312: break;
313: default:
314: abort();
315: }
1.35 kristaps 316:
1.88 kristaps 317: savelit = MANT_LITERAL & mt->fl;
318: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 319:
1.88 kristaps 320: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
321: term_fontrepl(p, font[i]);
322: if (savelit && NULL == nn->next)
323: mt->fl |= MANT_LITERAL;
1.179 schwarze 324: assert(nn->type == ROFFT_TEXT);
325: term_word(p, nn->string);
1.188 schwarze 326: if (nn->flags & NODE_EOS)
1.179 schwarze 327: p->flags |= TERMP_SENTENCE;
1.88 kristaps 328: if (nn->next)
1.4 kristaps 329: p->flags |= TERMP_NOSPACE;
1.3 kristaps 330: }
331:
1.185 schwarze 332: return 0;
1.3 kristaps 333: }
334:
1.1 kristaps 335: static int
336: pre_B(DECL_ARGS)
337: {
338:
1.52 kristaps 339: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 340: return 1;
1.127 kristaps 341: }
342:
343: static int
344: pre_OP(DECL_ARGS)
345: {
346:
347: term_word(p, "[");
348: p->flags |= TERMP_NOSPACE;
349:
350: if (NULL != (n = n->child)) {
351: term_fontrepl(p, TERMFONT_BOLD);
352: term_word(p, n->string);
353: }
354: if (NULL != n && NULL != n->next) {
355: term_fontrepl(p, TERMFONT_UNDER);
356: term_word(p, n->next->string);
357: }
358:
359: term_fontrepl(p, TERMFONT_NONE);
360: p->flags |= TERMP_NOSPACE;
361: term_word(p, "]");
1.185 schwarze 362: return 0;
1.89 kristaps 363: }
364:
365: static int
366: pre_ft(DECL_ARGS)
367: {
368: const char *cp;
369:
370: if (NULL == n->child) {
371: term_fontlast(p);
1.185 schwarze 372: return 0;
1.89 kristaps 373: }
374:
375: cp = n->child->string;
376: switch (*cp) {
1.146 schwarze 377: case '4':
378: case '3':
379: case 'B':
1.89 kristaps 380: term_fontrepl(p, TERMFONT_BOLD);
381: break;
1.146 schwarze 382: case '2':
383: case 'I':
1.89 kristaps 384: term_fontrepl(p, TERMFONT_UNDER);
385: break;
1.146 schwarze 386: case 'P':
1.89 kristaps 387: term_fontlast(p);
388: break;
1.146 schwarze 389: case '1':
390: case 'C':
391: case 'R':
1.89 kristaps 392: term_fontrepl(p, TERMFONT_NONE);
393: break;
394: default:
395: break;
396: }
1.185 schwarze 397: return 0;
1.83 kristaps 398: }
399:
400: static int
401: pre_in(DECL_ARGS)
402: {
1.163 schwarze 403: struct roffsu su;
404: const char *cp;
1.83 kristaps 405: size_t v;
1.163 schwarze 406: int less;
1.83 kristaps 407:
408: term_newln(p);
409:
410: if (NULL == n->child) {
411: p->offset = mt->offset;
1.185 schwarze 412: return 0;
1.83 kristaps 413: }
414:
415: cp = n->child->string;
416: less = 0;
417:
418: if ('-' == *cp)
419: less = -1;
420: else if ('+' == *cp)
421: less = 1;
422: else
423: cp--;
424:
1.163 schwarze 425: if ( ! a2roffsu(++cp, &su, SCALE_EN))
1.185 schwarze 426: return 0;
1.83 kristaps 427:
1.175 schwarze 428: v = (term_hspan(p, &su) + 11) / 24;
1.83 kristaps 429:
430: if (less < 0)
431: p->offset -= p->offset > v ? v : p->offset;
432: else if (less > 0)
433: p->offset += v;
1.146 schwarze 434: else
1.83 kristaps 435: p->offset = v;
1.164 schwarze 436: if (p->offset > SHRT_MAX)
437: p->offset = term_len(p, p->defindent);
1.95 kristaps 438:
1.185 schwarze 439: return 0;
1.1 kristaps 440: }
441:
442: static int
1.19 kristaps 443: pre_sp(DECL_ARGS)
444: {
1.162 schwarze 445: struct roffsu su;
1.163 schwarze 446: int i, len;
1.112 kristaps 447:
448: if ((NULL == n->prev && n->parent)) {
1.132 schwarze 449: switch (n->parent->tok) {
1.146 schwarze 450: case MAN_SH:
451: case MAN_SS:
452: case MAN_PP:
453: case MAN_LP:
454: case MAN_P:
1.185 schwarze 455: return 0;
1.132 schwarze 456: default:
457: break;
458: }
1.112 kristaps 459: }
1.19 kristaps 460:
1.163 schwarze 461: if (n->tok == MAN_br)
1.82 kristaps 462: len = 0;
1.163 schwarze 463: else if (n->child == NULL)
464: len = 1;
465: else {
466: if ( ! a2roffsu(n->child->string, &su, SCALE_VS))
1.162 schwarze 467: su.scale = 1.0;
468: len = term_vspan(p, &su);
1.82 kristaps 469: }
1.38 kristaps 470:
1.163 schwarze 471: if (len == 0)
1.19 kristaps 472: term_newln(p);
1.163 schwarze 473: else if (len < 0)
474: p->skipvsp -= len;
1.131 schwarze 475: else
476: for (i = 0; i < len; i++)
477: term_vspace(p);
1.183 schwarze 478:
479: /*
480: * Handle an explicit break request in the same way
481: * as an overflowing line.
482: */
483:
484: if (p->flags & TERMP_BRIND) {
485: p->offset = p->rmargin;
486: p->rmargin = p->maxrmargin;
487: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
488: }
1.19 kristaps 489:
1.185 schwarze 490: return 0;
1.15 kristaps 491: }
492:
493: static int
1.19 kristaps 494: pre_HP(DECL_ARGS)
495: {
1.163 schwarze 496: struct roffsu su;
1.172 schwarze 497: const struct roff_node *nn;
1.163 schwarze 498: int len;
1.19 kristaps 499:
1.20 kristaps 500: switch (n->type) {
1.171 schwarze 501: case ROFFT_BLOCK:
1.134 schwarze 502: print_bvspace(p, n, mt->pardist);
1.185 schwarze 503: return 1;
1.171 schwarze 504: case ROFFT_BODY:
1.20 kristaps 505: break;
506: default:
1.185 schwarze 507: return 0;
1.20 kristaps 508: }
509:
1.130 schwarze 510: if ( ! (MANT_LITERAL & mt->fl)) {
1.145 schwarze 511: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 512: p->trailspace = 2;
1.130 schwarze 513: }
514:
1.24 kristaps 515: /* Calculate offset. */
516:
1.163 schwarze 517: if ((nn = n->parent->head->child) != NULL &&
518: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 519: len = term_hspan(p, &su) / 24;
1.164 schwarze 520: if (len < 0 && (size_t)(-len) > mt->offset)
521: len = -mt->offset;
522: else if (len > SHRT_MAX)
523: len = term_len(p, p->defindent);
1.163 schwarze 524: mt->lmargin[mt->lmargincur] = len;
525: } else
526: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 527:
1.26 kristaps 528: p->offset = mt->offset;
1.164 schwarze 529: p->rmargin = mt->offset + len;
1.185 schwarze 530: return 1;
1.19 kristaps 531: }
532:
1.20 kristaps 533: static void
534: post_HP(DECL_ARGS)
535: {
536:
537: switch (n->type) {
1.171 schwarze 538: case ROFFT_BODY:
1.136 schwarze 539: term_newln(p);
1.174 schwarze 540:
541: /*
542: * Compatibility with a groff bug.
543: * The .HP macro uses the undocumented .tag request
544: * which causes a line break and cancels no-space
545: * mode even if there isn't any output.
546: */
547:
548: if (n->child == NULL)
549: term_vspace(p);
550:
1.145 schwarze 551: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 552: p->trailspace = 0;
1.26 kristaps 553: p->offset = mt->offset;
1.20 kristaps 554: p->rmargin = p->maxrmargin;
555: break;
556: default:
557: break;
558: }
559: }
560:
1.19 kristaps 561: static int
1.1 kristaps 562: pre_PP(DECL_ARGS)
563: {
564:
1.19 kristaps 565: switch (n->type) {
1.171 schwarze 566: case ROFFT_BLOCK:
1.122 schwarze 567: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 568: print_bvspace(p, n, mt->pardist);
1.19 kristaps 569: break;
570: default:
1.26 kristaps 571: p->offset = mt->offset;
1.19 kristaps 572: break;
573: }
574:
1.185 schwarze 575: return n->type != ROFFT_HEAD;
1.1 kristaps 576: }
577:
578: static int
1.4 kristaps 579: pre_IP(DECL_ARGS)
580: {
1.163 schwarze 581: struct roffsu su;
1.172 schwarze 582: const struct roff_node *nn;
1.163 schwarze 583: int len, savelit;
1.18 kristaps 584:
1.22 kristaps 585: switch (n->type) {
1.171 schwarze 586: case ROFFT_BODY:
1.22 kristaps 587: p->flags |= TERMP_NOSPACE;
588: break;
1.171 schwarze 589: case ROFFT_HEAD:
1.22 kristaps 590: p->flags |= TERMP_NOBREAK;
1.139 schwarze 591: p->trailspace = 1;
1.22 kristaps 592: break;
1.171 schwarze 593: case ROFFT_BLOCK:
1.134 schwarze 594: print_bvspace(p, n, mt->pardist);
1.23 kristaps 595: /* FALLTHROUGH */
1.22 kristaps 596: default:
1.185 schwarze 597: return 1;
1.22 kristaps 598: }
1.18 kristaps 599:
1.94 schwarze 600: /* Calculate the offset from the optional second argument. */
1.163 schwarze 601: if ((nn = n->parent->head->child) != NULL &&
602: (nn = nn->next) != NULL &&
603: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 604: len = term_hspan(p, &su) / 24;
1.163 schwarze 605: if (len < 0 && (size_t)(-len) > mt->offset)
606: len = -mt->offset;
1.164 schwarze 607: else if (len > SHRT_MAX)
608: len = term_len(p, p->defindent);
609: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 610: } else
611: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 612:
1.22 kristaps 613: switch (n->type) {
1.171 schwarze 614: case ROFFT_HEAD:
1.26 kristaps 615: p->offset = mt->offset;
616: p->rmargin = mt->offset + len;
1.18 kristaps 617:
1.94 schwarze 618: savelit = MANT_LITERAL & mt->fl;
619: mt->fl &= ~MANT_LITERAL;
620:
621: if (n->child)
1.135 schwarze 622: print_man_node(p, mt, n->child, meta);
1.94 schwarze 623:
624: if (savelit)
625: mt->fl |= MANT_LITERAL;
626:
1.185 schwarze 627: return 0;
1.171 schwarze 628: case ROFFT_BODY:
1.26 kristaps 629: p->offset = mt->offset + len;
1.156 schwarze 630: p->rmargin = p->maxrmargin;
1.23 kristaps 631: break;
1.22 kristaps 632: default:
633: break;
1.18 kristaps 634: }
635:
1.185 schwarze 636: return 1;
1.22 kristaps 637: }
1.18 kristaps 638:
1.22 kristaps 639: static void
640: post_IP(DECL_ARGS)
641: {
1.4 kristaps 642:
1.22 kristaps 643: switch (n->type) {
1.171 schwarze 644: case ROFFT_HEAD:
1.22 kristaps 645: term_flushln(p);
646: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 647: p->trailspace = 0;
1.22 kristaps 648: p->rmargin = p->maxrmargin;
649: break;
1.171 schwarze 650: case ROFFT_BODY:
1.94 schwarze 651: term_newln(p);
1.138 schwarze 652: p->offset = mt->offset;
1.22 kristaps 653: break;
654: default:
655: break;
656: }
1.4 kristaps 657: }
658:
659: static int
1.1 kristaps 660: pre_TP(DECL_ARGS)
661: {
1.163 schwarze 662: struct roffsu su;
1.172 schwarze 663: struct roff_node *nn;
1.163 schwarze 664: int len, savelit;
1.1 kristaps 665:
1.21 kristaps 666: switch (n->type) {
1.171 schwarze 667: case ROFFT_HEAD:
1.184 schwarze 668: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 669: p->trailspace = 1;
1.21 kristaps 670: break;
1.171 schwarze 671: case ROFFT_BODY:
1.21 kristaps 672: p->flags |= TERMP_NOSPACE;
1.23 kristaps 673: break;
1.171 schwarze 674: case ROFFT_BLOCK:
1.134 schwarze 675: print_bvspace(p, n, mt->pardist);
1.23 kristaps 676: /* FALLTHROUGH */
677: default:
1.185 schwarze 678: return 1;
1.23 kristaps 679: }
680:
681: /* Calculate offset. */
682:
1.163 schwarze 683: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 684: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.163 schwarze 685: a2roffsu(nn->string, &su, SCALE_EN)) {
1.175 schwarze 686: len = term_hspan(p, &su) / 24;
1.163 schwarze 687: if (len < 0 && (size_t)(-len) > mt->offset)
688: len = -mt->offset;
1.164 schwarze 689: else if (len > SHRT_MAX)
690: len = term_len(p, p->defindent);
691: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 692: } else
693: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 694:
695: switch (n->type) {
1.171 schwarze 696: case ROFFT_HEAD:
1.26 kristaps 697: p->offset = mt->offset;
698: p->rmargin = mt->offset + len;
1.23 kristaps 699:
1.94 schwarze 700: savelit = MANT_LITERAL & mt->fl;
701: mt->fl &= ~MANT_LITERAL;
702:
1.23 kristaps 703: /* Don't print same-line elements. */
1.141 schwarze 704: nn = n->child;
1.188 schwarze 705: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.141 schwarze 706: nn = nn->next;
707:
708: while (NULL != nn) {
709: print_man_node(p, mt, nn, meta);
710: nn = nn->next;
711: }
1.24 kristaps 712:
1.94 schwarze 713: if (savelit)
714: mt->fl |= MANT_LITERAL;
1.185 schwarze 715: return 0;
1.171 schwarze 716: case ROFFT_BODY:
1.26 kristaps 717: p->offset = mt->offset + len;
1.156 schwarze 718: p->rmargin = p->maxrmargin;
1.139 schwarze 719: p->trailspace = 0;
1.184 schwarze 720: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 721: break;
722: default:
723: break;
724: }
1.16 kristaps 725:
1.185 schwarze 726: return 1;
1.21 kristaps 727: }
1.1 kristaps 728:
1.21 kristaps 729: static void
730: post_TP(DECL_ARGS)
731: {
1.1 kristaps 732:
1.21 kristaps 733: switch (n->type) {
1.171 schwarze 734: case ROFFT_HEAD:
1.21 kristaps 735: term_flushln(p);
736: break;
1.171 schwarze 737: case ROFFT_BODY:
1.94 schwarze 738: term_newln(p);
1.138 schwarze 739: p->offset = mt->offset;
1.21 kristaps 740: break;
741: default:
742: break;
743: }
1.1 kristaps 744: }
745:
746: static int
747: pre_SS(DECL_ARGS)
748: {
1.134 schwarze 749: int i;
1.1 kristaps 750:
1.19 kristaps 751: switch (n->type) {
1.171 schwarze 752: case ROFFT_BLOCK:
1.113 kristaps 753: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 754: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
755: mt->offset = term_len(p, p->defindent);
1.158 schwarze 756:
757: /*
758: * No vertical space before the first subsection
759: * and after an empty subsection.
760: */
761:
762: do {
763: n = n->prev;
1.182 schwarze 764: } while (n != NULL && n->tok != TOKEN_NONE &&
1.170 schwarze 765: termacts[n->tok].flags & MAN_NOTEXT);
1.158 schwarze 766: if (n == NULL || (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 767: break;
1.158 schwarze 768:
1.134 schwarze 769: for (i = 0; i < mt->pardist; i++)
770: term_vspace(p);
1.19 kristaps 771: break;
1.171 schwarze 772: case ROFFT_HEAD:
1.52 kristaps 773: term_fontrepl(p, TERMFONT_BOLD);
1.133 schwarze 774: p->offset = term_len(p, 3);
1.176 schwarze 775: p->rmargin = mt->offset;
776: p->trailspace = mt->offset;
777: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 778: break;
1.171 schwarze 779: case ROFFT_BODY:
1.26 kristaps 780: p->offset = mt->offset;
1.176 schwarze 781: p->rmargin = p->maxrmargin;
782: p->trailspace = 0;
783: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 784: break;
1.19 kristaps 785: default:
786: break;
787: }
788:
1.185 schwarze 789: return 1;
1.1 kristaps 790: }
791:
792: static void
793: post_SS(DECL_ARGS)
794: {
1.146 schwarze 795:
1.19 kristaps 796: switch (n->type) {
1.171 schwarze 797: case ROFFT_HEAD:
1.19 kristaps 798: term_newln(p);
799: break;
1.171 schwarze 800: case ROFFT_BODY:
1.24 kristaps 801: term_newln(p);
802: break;
1.19 kristaps 803: default:
804: break;
805: }
1.1 kristaps 806: }
807:
808: static int
809: pre_SH(DECL_ARGS)
810: {
1.134 schwarze 811: int i;
1.22 kristaps 812:
1.19 kristaps 813: switch (n->type) {
1.171 schwarze 814: case ROFFT_BLOCK:
1.113 kristaps 815: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 816: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
817: mt->offset = term_len(p, p->defindent);
1.158 schwarze 818:
819: /*
820: * No vertical space before the first section
821: * and after an empty section.
822: */
823:
824: do {
825: n = n->prev;
1.191 schwarze 826: } while (n != NULL && n->tok != TOKEN_NONE &&
1.190 schwarze 827: termacts[n->tok].flags & MAN_NOTEXT);
1.158 schwarze 828: if (n == NULL || (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 829: break;
1.158 schwarze 830:
1.134 schwarze 831: for (i = 0; i < mt->pardist; i++)
832: term_vspace(p);
1.19 kristaps 833: break;
1.171 schwarze 834: case ROFFT_HEAD:
1.52 kristaps 835: term_fontrepl(p, TERMFONT_BOLD);
1.19 kristaps 836: p->offset = 0;
1.176 schwarze 837: p->rmargin = mt->offset;
838: p->trailspace = mt->offset;
839: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 840: break;
1.171 schwarze 841: case ROFFT_BODY:
1.26 kristaps 842: p->offset = mt->offset;
1.176 schwarze 843: p->rmargin = p->maxrmargin;
844: p->trailspace = 0;
845: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 846: break;
847: default:
848: break;
849: }
1.1 kristaps 850:
1.185 schwarze 851: return 1;
1.1 kristaps 852: }
853:
854: static void
855: post_SH(DECL_ARGS)
856: {
1.146 schwarze 857:
1.19 kristaps 858: switch (n->type) {
1.171 schwarze 859: case ROFFT_HEAD:
1.19 kristaps 860: term_newln(p);
861: break;
1.171 schwarze 862: case ROFFT_BODY:
1.19 kristaps 863: term_newln(p);
864: break;
865: default:
866: break;
867: }
1.1 kristaps 868: }
869:
1.26 kristaps 870: static int
871: pre_RS(DECL_ARGS)
872: {
1.163 schwarze 873: struct roffsu su;
1.26 kristaps 874:
875: switch (n->type) {
1.171 schwarze 876: case ROFFT_BLOCK:
1.26 kristaps 877: term_newln(p);
1.185 schwarze 878: return 1;
1.171 schwarze 879: case ROFFT_HEAD:
1.185 schwarze 880: return 0;
1.26 kristaps 881: default:
882: break;
883: }
884:
1.165 schwarze 885: n = n->parent->head;
886: n->aux = SHRT_MAX + 1;
1.177 schwarze 887: if (n->child == NULL)
888: n->aux = mt->lmargin[mt->lmargincur];
889: else if (a2roffsu(n->child->string, &su, SCALE_EN))
1.175 schwarze 890: n->aux = term_hspan(p, &su) / 24;
1.165 schwarze 891: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
892: n->aux = -mt->offset;
893: else if (n->aux > SHRT_MAX)
894: n->aux = term_len(p, p->defindent);
1.26 kristaps 895:
1.165 schwarze 896: mt->offset += n->aux;
1.140 schwarze 897: p->offset = mt->offset;
1.156 schwarze 898: p->rmargin = p->maxrmargin;
1.26 kristaps 899:
1.116 schwarze 900: if (++mt->lmarginsz < MAXMARGINS)
901: mt->lmargincur = mt->lmarginsz;
902:
1.178 schwarze 903: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 904: return 1;
1.26 kristaps 905: }
906:
907: static void
908: post_RS(DECL_ARGS)
909: {
910:
911: switch (n->type) {
1.171 schwarze 912: case ROFFT_BLOCK:
1.110 kristaps 913: return;
1.171 schwarze 914: case ROFFT_HEAD:
1.110 kristaps 915: return;
1.26 kristaps 916: default:
917: term_newln(p);
918: break;
919: }
1.110 kristaps 920:
1.165 schwarze 921: mt->offset -= n->parent->head->aux;
1.110 kristaps 922: p->offset = mt->offset;
1.116 schwarze 923:
924: if (--mt->lmarginsz < MAXMARGINS)
925: mt->lmargincur = mt->lmarginsz;
1.137 schwarze 926: }
927:
928: static int
929: pre_UR(DECL_ARGS)
930: {
931:
1.185 schwarze 932: return n->type != ROFFT_HEAD;
1.137 schwarze 933: }
934:
935: static void
936: post_UR(DECL_ARGS)
937: {
938:
1.171 schwarze 939: if (n->type != ROFFT_BLOCK)
1.137 schwarze 940: return;
941:
942: term_word(p, "<");
943: p->flags |= TERMP_NOSPACE;
944:
945: if (NULL != n->child->child)
946: print_man_node(p, mt, n->child->child, meta);
947:
948: p->flags |= TERMP_NOSPACE;
949: term_word(p, ">");
1.26 kristaps 950: }
951:
1.1 kristaps 952: static void
1.45 kristaps 953: print_man_node(DECL_ARGS)
1.1 kristaps 954: {
1.65 joerg 955: size_t rm, rmax;
1.54 kristaps 956: int c;
1.1 kristaps 957:
958: switch (n->type) {
1.171 schwarze 959: case ROFFT_TEXT:
1.97 kristaps 960: /*
961: * If we have a blank line, output a vertical space.
962: * If we have a space as the first character, break
963: * before printing the line's data.
964: */
1.96 kristaps 965: if ('\0' == *n->string) {
1.4 kristaps 966: term_vspace(p);
1.98 schwarze 967: return;
1.188 schwarze 968: } else if (' ' == *n->string && NODE_LINE & n->flags)
1.96 kristaps 969: term_newln(p);
1.54 kristaps 970:
1.4 kristaps 971: term_word(p, n->string);
1.130 schwarze 972: goto out;
1.52 kristaps 973:
1.171 schwarze 974: case ROFFT_EQN:
1.188 schwarze 975: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 976: p->flags |= TERMP_NOSPACE;
1.115 kristaps 977: term_eqn(p, n->eqn);
1.188 schwarze 978: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 979: p->flags |= TERMP_NOSPACE;
1.97 kristaps 980: return;
1.171 schwarze 981: case ROFFT_TBL:
1.169 schwarze 982: if (p->tbl.cols == NULL)
983: term_vspace(p);
1.92 kristaps 984: term_tbl(p, n->span);
1.97 kristaps 985: return;
1.1 kristaps 986: default:
987: break;
988: }
989:
1.97 kristaps 990: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
991: term_fontrepl(p, TERMFONT_NONE);
992:
993: c = 1;
994: if (termacts[n->tok].pre)
1.135 schwarze 995: c = (*termacts[n->tok].pre)(p, mt, n, meta);
1.97 kristaps 996:
1.1 kristaps 997: if (c && n->child)
1.135 schwarze 998: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 999:
1.97 kristaps 1000: if (termacts[n->tok].post)
1.135 schwarze 1001: (*termacts[n->tok].post)(p, mt, n, meta);
1.97 kristaps 1002: if ( ! (MAN_NOTEXT & termacts[n->tok].flags))
1003: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 1004:
1.130 schwarze 1005: out:
1006: /*
1007: * If we're in a literal context, make sure that words
1008: * together on the same line stay together. This is a
1009: * POST-printing call, so we check the NEXT word. Since
1010: * -man doesn't have nested macros, we don't need to be
1011: * more specific than this.
1012: */
1.157 schwarze 1013: if (mt->fl & MANT_LITERAL &&
1014: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 1015: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.130 schwarze 1016: rm = p->rmargin;
1017: rmax = p->maxrmargin;
1018: p->rmargin = p->maxrmargin = TERM_MAXMARGIN;
1019: p->flags |= TERMP_NOSPACE;
1.157 schwarze 1020: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 1021: term_flushln(p);
1022: else
1023: term_newln(p);
1024: if (rm < rmax && n->parent->tok == MAN_HP) {
1025: p->offset = rm;
1026: p->rmargin = rmax;
1027: } else
1028: p->rmargin = rm;
1029: p->maxrmargin = rmax;
1030: }
1.188 schwarze 1031: if (NODE_EOS & n->flags)
1.63 kristaps 1032: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1033: }
1034:
1035:
1036: static void
1.52 kristaps 1037: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1038: {
1.19 kristaps 1039:
1.168 schwarze 1040: while (n != NULL) {
1041: print_man_node(p, mt, n, meta);
1042: n = n->next;
1043: }
1.1 kristaps 1044: }
1045:
1.31 kristaps 1046: static void
1.173 schwarze 1047: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1048: {
1.147 schwarze 1049: char *title;
1.156 schwarze 1050: size_t datelen, titlen;
1.73 kristaps 1051:
1.125 schwarze 1052: assert(meta->title);
1053: assert(meta->msec);
1054: assert(meta->date);
1.1 kristaps 1055:
1.52 kristaps 1056: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1057:
1.149 schwarze 1058: if (meta->hasbody)
1059: term_vspace(p);
1.126 schwarze 1060:
1061: /*
1062: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1063: * In the bottom right corner, use the operating system
1064: * instead of the title.
1.126 schwarze 1065: */
1066:
1067: if ( ! p->mdocstyle) {
1.149 schwarze 1068: if (meta->hasbody) {
1069: term_vspace(p);
1070: term_vspace(p);
1071: }
1.147 schwarze 1072: mandoc_asprintf(&title, "%s(%s)",
1073: meta->title, meta->msec);
1.173 schwarze 1074: } else if (meta->os) {
1075: title = mandoc_strdup(meta->os);
1.126 schwarze 1076: } else {
1.147 schwarze 1077: title = mandoc_strdup("");
1.126 schwarze 1078: }
1.125 schwarze 1079: datelen = term_strlen(p, meta->date);
1.1 kristaps 1080:
1.173 schwarze 1081: /* Bottom left corner: operating system. */
1.126 schwarze 1082:
1.1 kristaps 1083: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1084: p->trailspace = 1;
1.1 kristaps 1085: p->offset = 0;
1.156 schwarze 1086: p->rmargin = p->maxrmargin > datelen ?
1087: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1088:
1.173 schwarze 1089: if (meta->os)
1090: term_word(p, meta->os);
1.1 kristaps 1091: term_flushln(p);
1092:
1.126 schwarze 1093: /* At the bottom in the middle: manual date. */
1094:
1.156 schwarze 1095: p->offset = p->rmargin;
1096: titlen = term_strlen(p, title);
1097: p->rmargin = p->maxrmargin > titlen ? p->maxrmargin - titlen : 0;
1.117 schwarze 1098: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1099:
1.125 schwarze 1100: term_word(p, meta->date);
1.123 schwarze 1101: term_flushln(p);
1102:
1.126 schwarze 1103: /* Bottom right corner: manual title and section. */
1104:
1.123 schwarze 1105: p->flags &= ~TERMP_NOBREAK;
1106: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1107: p->trailspace = 0;
1.123 schwarze 1108: p->offset = p->rmargin;
1.1 kristaps 1109: p->rmargin = p->maxrmargin;
1110:
1.123 schwarze 1111: term_word(p, title);
1.1 kristaps 1112: term_flushln(p);
1.147 schwarze 1113: free(title);
1.1 kristaps 1114: }
1115:
1.31 kristaps 1116: static void
1.173 schwarze 1117: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1118: {
1.148 schwarze 1119: const char *volume;
1.147 schwarze 1120: char *title;
1.148 schwarze 1121: size_t vollen, titlen;
1.73 kristaps 1122:
1.135 schwarze 1123: assert(meta->title);
1124: assert(meta->msec);
1.1 kristaps 1125:
1.148 schwarze 1126: volume = NULL == meta->vol ? "" : meta->vol;
1127: vollen = term_strlen(p, volume);
1.1 kristaps 1128:
1.126 schwarze 1129: /* Top left corner: manual title and section. */
1130:
1.147 schwarze 1131: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1132: titlen = term_strlen(p, title);
1.1 kristaps 1133:
1.118 schwarze 1134: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1135: p->trailspace = 1;
1.1 kristaps 1136: p->offset = 0;
1.148 schwarze 1137: p->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1138: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1139: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1140:
1141: term_word(p, title);
1142: term_flushln(p);
1143:
1.126 schwarze 1144: /* At the top in the middle: manual volume. */
1145:
1.117 schwarze 1146: p->flags |= TERMP_NOSPACE;
1.1 kristaps 1147: p->offset = p->rmargin;
1.148 schwarze 1148: p->rmargin = p->offset + vollen + titlen < p->maxrmargin ?
1.57 kristaps 1149: p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1150:
1.148 schwarze 1151: term_word(p, volume);
1.1 kristaps 1152: term_flushln(p);
1153:
1.126 schwarze 1154: /* Top right corner: title and section, again. */
1155:
1.1 kristaps 1156: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1157: p->trailspace = 0;
1.57 kristaps 1158: if (p->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1159: p->flags |= TERMP_NOSPACE;
1.57 kristaps 1160: p->offset = p->rmargin;
1161: p->rmargin = p->maxrmargin;
1162: term_word(p, title);
1163: term_flushln(p);
1164: }
1.1 kristaps 1165:
1.118 schwarze 1166: p->flags &= ~TERMP_NOSPACE;
1167: p->offset = 0;
1.1 kristaps 1168: p->rmargin = p->maxrmargin;
1.61 kristaps 1169:
1.146 schwarze 1170: /*
1.126 schwarze 1171: * Groff prints three blank lines before the content.
1172: * Do the same, except in the temporary, undocumented
1173: * mode imitating mdoc(7) output.
1.62 kristaps 1174: */
1175:
1.61 kristaps 1176: term_vspace(p);
1.126 schwarze 1177: if ( ! p->mdocstyle) {
1178: term_vspace(p);
1179: term_vspace(p);
1180: }
1.147 schwarze 1181: free(title);
1.1 kristaps 1182: }
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