Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.175
1.175 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.174 2018/12/03 21:00:06 schwarze Exp $ */
1.1 kristaps 2: /*
1.84 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.163 schwarze 4: * Copyright (c) 2010-2015, 2017, 2018 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"
28: #include "roff.h"
29: #include "man.h"
1.18 schwarze 30: #include "out.h"
1.1 kristaps 31: #include "term.h"
1.18 schwarze 32: #include "main.h"
1.10 schwarze 33:
1.70 schwarze 34: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.1 kristaps 35:
1.11 schwarze 36: struct mtermp {
37: int fl;
38: #define MANT_LITERAL (1 << 0)
1.116 schwarze 39: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.70 schwarze 40: int lmargincur; /* index of current margin */
41: int lmarginsz; /* actual number of nested margins */
42: size_t offset; /* default offset to visible page */
1.88 schwarze 43: int pardist; /* vert. space before par., unit: [v] */
1.11 schwarze 44: };
45:
1.100 schwarze 46: #define DECL_ARGS struct termp *p, \
1.11 schwarze 47: struct mtermp *mt, \
1.125 schwarze 48: struct roff_node *n, \
1.126 schwarze 49: const struct roff_meta *meta
1.1 kristaps 50:
1.167 schwarze 51: struct man_term_act {
1.1 kristaps 52: int (*pre)(DECL_ARGS);
53: void (*post)(DECL_ARGS);
1.26 schwarze 54: int flags;
55: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 56: };
57:
1.21 schwarze 58: static void print_man_nodelist(DECL_ARGS);
1.19 schwarze 59: static void print_man_node(DECL_ARGS);
1.126 schwarze 60: static void print_man_head(struct termp *,
61: const struct roff_meta *);
62: static void print_man_foot(struct termp *,
63: const struct roff_meta *);
1.100 schwarze 64: static void print_bvspace(struct termp *,
1.125 schwarze 65: const struct roff_node *, int);
1.18 schwarze 66:
1.1 kristaps 67: static int pre_B(DECL_ARGS);
1.152 schwarze 68: static int pre_DT(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);
1.168 schwarze 78: static int pre_SY(DECL_ARGS);
1.1 kristaps 79: static int pre_TP(DECL_ARGS);
1.91 schwarze 80: static int pre_UR(DECL_ARGS);
1.174 schwarze 81: static int pre_abort(DECL_ARGS);
1.82 schwarze 82: static int pre_alternate(DECL_ARGS);
1.14 schwarze 83: static int pre_ign(DECL_ARGS);
1.45 schwarze 84: static int pre_in(DECL_ARGS);
85: static int pre_literal(DECL_ARGS);
1.1 kristaps 86:
1.11 schwarze 87: static void post_IP(DECL_ARGS);
88: static void post_HP(DECL_ARGS);
1.13 schwarze 89: static void post_RS(DECL_ARGS);
1.1 kristaps 90: static void post_SH(DECL_ARGS);
91: static void post_SS(DECL_ARGS);
1.168 schwarze 92: static void post_SY(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:
1.167 schwarze 96: static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
1.26 schwarze 97: { NULL, NULL, 0 }, /* TH */
98: { pre_SH, post_SH, 0 }, /* SH */
99: { pre_SS, post_SS, 0 }, /* SS */
100: { pre_TP, post_TP, 0 }, /* TP */
1.166 schwarze 101: { pre_TP, post_TP, 0 }, /* TQ */
1.174 schwarze 102: { pre_abort, NULL, 0 }, /* LP */
1.26 schwarze 103: { pre_PP, NULL, 0 }, /* PP */
1.174 schwarze 104: { pre_abort, NULL, 0 }, /* P */
1.26 schwarze 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 */
1.171 schwarze 118: { pre_literal, NULL, MAN_NOTEXT }, /* nf */
119: { pre_literal, NULL, MAN_NOTEXT }, /* fi */
1.26 schwarze 120: { NULL, NULL, 0 }, /* RE */
121: { pre_RS, post_RS, 0 }, /* RS */
1.152 schwarze 122: { pre_DT, NULL, 0 }, /* DT */
1.111 schwarze 123: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.88 schwarze 124: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.36 schwarze 125: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 126: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.168 schwarze 127: { pre_SY, post_SY, 0 }, /* SY */
128: { NULL, NULL, 0 }, /* YS */
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 */
1.161 bentley 134: { pre_UR, post_UR, 0 }, /* MT */
135: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 136: };
1.167 schwarze 137: static const struct man_term_act *man_term_act(enum roff_tok);
1.11 schwarze 138:
1.1 kristaps 139:
1.167 schwarze 140: static const struct man_term_act *
141: man_term_act(enum roff_tok tok)
142: {
143: assert(tok >= MAN_TH && tok <= MAN_MAX);
144: return man_term_acts + (tok - MAN_TH);
145: }
146:
1.16 schwarze 147: void
1.133 schwarze 148: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 149: {
1.18 schwarze 150: struct termp *p;
1.125 schwarze 151: struct roff_node *n;
1.18 schwarze 152: struct mtermp mt;
1.142 schwarze 153: size_t save_defindent;
1.18 schwarze 154:
155: p = (struct termp *)arg;
1.159 schwarze 156: save_defindent = p->defindent;
157: if (p->synopsisonly == 0 && p->defindent == 0)
158: p->defindent = 7;
1.156 schwarze 159: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.151 schwarze 160: term_tab_set(p, NULL);
161: term_tab_set(p, "T");
162: term_tab_set(p, ".5i");
1.18 schwarze 163:
1.70 schwarze 164: memset(&mt, 0, sizeof(struct mtermp));
1.77 schwarze 165: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
166: mt.offset = term_len(p, p->defindent);
1.88 schwarze 167: mt.pardist = 1;
1.11 schwarze 168:
1.134 schwarze 169: n = man->first->child;
1.104 schwarze 170: if (p->synopsisonly) {
171: while (n != NULL) {
172: if (n->tok == MAN_SH &&
1.124 schwarze 173: n->child->child->type == ROFFT_TEXT &&
1.104 schwarze 174: !strcmp(n->child->child->string, "SYNOPSIS")) {
175: if (n->child->next->child != NULL)
176: print_man_nodelist(p, &mt,
1.134 schwarze 177: n->child->next->child,
178: &man->meta);
1.104 schwarze 179: term_newln(p);
180: break;
181: }
182: n = n->next;
183: }
184: } else {
1.134 schwarze 185: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.104 schwarze 186: p->flags |= TERMP_NOSPACE;
187: if (n != NULL)
1.134 schwarze 188: print_man_nodelist(p, &mt, n, &man->meta);
1.104 schwarze 189: term_end(p);
190: }
1.159 schwarze 191: p->defindent = save_defindent;
1.1 kristaps 192: }
193:
1.69 schwarze 194: /*
195: * Printing leading vertical space before a block.
196: * This is used for the paragraph macros.
197: * The rules are pretty simple, since there's very little nesting going
198: * on here. Basically, if we're the first within another block (SS/SH),
199: * then don't emit vertical space. If we are (RS), then do. If not the
200: * first, print it.
201: */
1.18 schwarze 202: static void
1.125 schwarze 203: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 schwarze 204: {
1.88 schwarze 205: int i;
1.69 schwarze 206:
1.18 schwarze 207: term_newln(p);
1.64 schwarze 208:
1.69 schwarze 209: if (n->body && n->body->child)
1.124 schwarze 210: if (n->body->child->type == ROFFT_TBL)
1.69 schwarze 211: return;
1.11 schwarze 212:
1.124 schwarze 213: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.69 schwarze 214: if (NULL == n->prev)
215: return;
1.11 schwarze 216:
1.88 schwarze 217: for (i = 0; i < pardist; i++)
218: term_vspace(p);
1.14 schwarze 219: }
220:
1.174 schwarze 221:
222: static int
223: pre_abort(DECL_ARGS)
224: {
225: abort();
226: }
1.100 schwarze 227:
1.14 schwarze 228: static int
229: pre_ign(DECL_ARGS)
230: {
231:
1.138 schwarze 232: return 0;
1.11 schwarze 233: }
234:
1.1 kristaps 235: static int
236: pre_I(DECL_ARGS)
237: {
238:
1.21 schwarze 239: term_fontrepl(p, TERMFONT_UNDER);
1.138 schwarze 240: return 1;
1.1 kristaps 241: }
242:
1.11 schwarze 243: static int
1.45 schwarze 244: pre_literal(DECL_ARGS)
1.11 schwarze 245: {
246:
1.45 schwarze 247: term_newln(p);
1.53 schwarze 248:
1.156 schwarze 249: if (n->tok == MAN_nf || n->tok == MAN_EX)
1.45 schwarze 250: mt->fl |= MANT_LITERAL;
1.53 schwarze 251: else
1.45 schwarze 252: mt->fl &= ~MANT_LITERAL;
253:
1.72 schwarze 254: /*
255: * Unlike .IP and .TP, .HP does not have a HEAD.
256: * So in case a second call to term_flushln() is needed,
257: * indentation has to be set up explicitly.
258: */
1.156 schwarze 259: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
260: p->tcol->offset = p->tcol->rmargin;
261: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 262: p->trailspace = 0;
1.99 schwarze 263: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.72 schwarze 264: p->flags |= TERMP_NOSPACE;
265: }
266:
1.138 schwarze 267: return 0;
1.11 schwarze 268: }
269:
270: static int
1.88 schwarze 271: pre_PD(DECL_ARGS)
272: {
1.113 schwarze 273: struct roffsu su;
1.88 schwarze 274:
275: n = n->child;
1.113 schwarze 276: if (n == NULL) {
1.88 schwarze 277: mt->pardist = 1;
1.138 schwarze 278: return 0;
1.88 schwarze 279: }
1.124 schwarze 280: assert(n->type == ROFFT_TEXT);
1.157 schwarze 281: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.113 schwarze 282: mt->pardist = term_vspan(p, &su);
1.138 schwarze 283: return 0;
1.88 schwarze 284: }
285:
286: static int
1.51 schwarze 287: pre_alternate(DECL_ARGS)
1.1 kristaps 288: {
1.51 schwarze 289: enum termfont font[2];
1.125 schwarze 290: struct roff_node *nn;
1.51 schwarze 291: int savelit, i;
1.1 kristaps 292:
1.51 schwarze 293: switch (n->tok) {
1.100 schwarze 294: case MAN_RB:
1.51 schwarze 295: font[0] = TERMFONT_NONE;
296: font[1] = TERMFONT_BOLD;
297: break;
1.100 schwarze 298: case MAN_RI:
1.51 schwarze 299: font[0] = TERMFONT_NONE;
300: font[1] = TERMFONT_UNDER;
301: break;
1.100 schwarze 302: case MAN_BR:
1.51 schwarze 303: font[0] = TERMFONT_BOLD;
304: font[1] = TERMFONT_NONE;
305: break;
1.100 schwarze 306: case MAN_BI:
1.51 schwarze 307: font[0] = TERMFONT_BOLD;
308: font[1] = TERMFONT_UNDER;
309: break;
1.100 schwarze 310: case MAN_IR:
1.51 schwarze 311: font[0] = TERMFONT_UNDER;
312: font[1] = TERMFONT_NONE;
313: break;
1.100 schwarze 314: case MAN_IB:
1.51 schwarze 315: font[0] = TERMFONT_UNDER;
316: font[1] = TERMFONT_BOLD;
317: break;
318: default:
319: abort();
320: }
1.17 schwarze 321:
1.51 schwarze 322: savelit = MANT_LITERAL & mt->fl;
323: mt->fl &= ~MANT_LITERAL;
1.17 schwarze 324:
1.51 schwarze 325: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
326: term_fontrepl(p, font[i]);
327: if (savelit && NULL == nn->next)
328: mt->fl |= MANT_LITERAL;
1.132 schwarze 329: assert(nn->type == ROFFT_TEXT);
330: term_word(p, nn->string);
1.141 schwarze 331: if (nn->flags & NODE_EOS)
1.132 schwarze 332: p->flags |= TERMP_SENTENCE;
1.51 schwarze 333: if (nn->next)
1.1 kristaps 334: p->flags |= TERMP_NOSPACE;
335: }
1.17 schwarze 336:
1.138 schwarze 337: return 0;
1.1 kristaps 338: }
339:
340: static int
341: pre_B(DECL_ARGS)
342: {
343:
1.21 schwarze 344: term_fontrepl(p, TERMFONT_BOLD);
1.138 schwarze 345: return 1;
1.82 schwarze 346: }
347:
348: static int
349: pre_OP(DECL_ARGS)
350: {
351:
352: term_word(p, "[");
1.169 schwarze 353: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.82 schwarze 354:
355: if (NULL != (n = n->child)) {
356: term_fontrepl(p, TERMFONT_BOLD);
357: term_word(p, n->string);
358: }
359: if (NULL != n && NULL != n->next) {
360: term_fontrepl(p, TERMFONT_UNDER);
361: term_word(p, n->next->string);
362: }
363:
364: term_fontrepl(p, TERMFONT_NONE);
1.169 schwarze 365: p->flags &= ~TERMP_KEEP;
1.82 schwarze 366: p->flags |= TERMP_NOSPACE;
367: term_word(p, "]");
1.138 schwarze 368: return 0;
1.1 kristaps 369: }
370:
371: static int
1.45 schwarze 372: pre_in(DECL_ARGS)
1.11 schwarze 373: {
1.116 schwarze 374: struct roffsu su;
375: const char *cp;
1.45 schwarze 376: size_t v;
1.116 schwarze 377: int less;
1.45 schwarze 378:
379: term_newln(p);
380:
1.156 schwarze 381: if (n->child == NULL) {
382: p->tcol->offset = mt->offset;
1.138 schwarze 383: return 0;
1.45 schwarze 384: }
1.11 schwarze 385:
1.45 schwarze 386: cp = n->child->string;
387: less = 0;
1.11 schwarze 388:
1.45 schwarze 389: if ('-' == *cp)
390: less = -1;
391: else if ('+' == *cp)
392: less = 1;
393: else
394: cp--;
395:
1.157 schwarze 396: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.138 schwarze 397: return 0;
1.45 schwarze 398:
1.158 schwarze 399: v = term_hen(p, &su);
1.45 schwarze 400:
401: if (less < 0)
1.156 schwarze 402: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.45 schwarze 403: else if (less > 0)
1.156 schwarze 404: p->tcol->offset += v;
1.100 schwarze 405: else
1.156 schwarze 406: p->tcol->offset = v;
407: if (p->tcol->offset > SHRT_MAX)
408: p->tcol->offset = term_len(p, p->defindent);
1.8 schwarze 409:
1.152 schwarze 410: return 0;
411: }
412:
413: static int
414: pre_DT(DECL_ARGS)
415: {
416: term_tab_set(p, NULL);
417: term_tab_set(p, "T");
418: term_tab_set(p, ".5i");
1.138 schwarze 419: return 0;
1.8 schwarze 420: }
421:
422: static int
1.11 schwarze 423: pre_HP(DECL_ARGS)
424: {
1.116 schwarze 425: struct roffsu su;
1.125 schwarze 426: const struct roff_node *nn;
1.116 schwarze 427: int len;
1.11 schwarze 428:
429: switch (n->type) {
1.124 schwarze 430: case ROFFT_BLOCK:
1.88 schwarze 431: print_bvspace(p, n, mt->pardist);
1.138 schwarze 432: return 1;
1.124 schwarze 433: case ROFFT_BODY:
1.11 schwarze 434: break;
435: default:
1.138 schwarze 436: return 0;
1.11 schwarze 437: }
438:
1.84 schwarze 439: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 440: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 441: p->trailspace = 2;
1.84 schwarze 442: }
443:
1.11 schwarze 444: /* Calculate offset. */
445:
1.116 schwarze 446: if ((nn = n->parent->head->child) != NULL &&
1.157 schwarze 447: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 448: len = term_hen(p, &su);
1.117 schwarze 449: if (len < 0 && (size_t)(-len) > mt->offset)
450: len = -mt->offset;
451: else if (len > SHRT_MAX)
452: len = term_len(p, p->defindent);
1.116 schwarze 453: mt->lmargin[mt->lmargincur] = len;
454: } else
455: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 456:
1.156 schwarze 457: p->tcol->offset = mt->offset;
458: p->tcol->rmargin = mt->offset + len;
1.138 schwarze 459: return 1;
1.11 schwarze 460: }
461:
462: static void
463: post_HP(DECL_ARGS)
464: {
465:
466: switch (n->type) {
1.124 schwarze 467: case ROFFT_BODY:
1.90 schwarze 468: term_newln(p);
1.127 schwarze 469:
470: /*
471: * Compatibility with a groff bug.
472: * The .HP macro uses the undocumented .tag request
473: * which causes a line break and cancels no-space
474: * mode even if there isn't any output.
475: */
476:
477: if (n->child == NULL)
478: term_vspace(p);
479:
1.99 schwarze 480: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 481: p->trailspace = 0;
1.156 schwarze 482: p->tcol->offset = mt->offset;
483: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 484: break;
485: default:
486: break;
487: }
488: }
489:
490: static int
1.1 kristaps 491: pre_PP(DECL_ARGS)
492: {
493:
1.11 schwarze 494: switch (n->type) {
1.124 schwarze 495: case ROFFT_BLOCK:
1.77 schwarze 496: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 497: print_bvspace(p, n, mt->pardist);
1.11 schwarze 498: break;
499: default:
1.156 schwarze 500: p->tcol->offset = mt->offset;
1.11 schwarze 501: break;
502: }
503:
1.138 schwarze 504: return n->type != ROFFT_HEAD;
1.1 kristaps 505: }
506:
507: static int
508: pre_IP(DECL_ARGS)
509: {
1.116 schwarze 510: struct roffsu su;
1.125 schwarze 511: const struct roff_node *nn;
1.116 schwarze 512: int len, savelit;
1.11 schwarze 513:
514: switch (n->type) {
1.124 schwarze 515: case ROFFT_BODY:
1.11 schwarze 516: p->flags |= TERMP_NOSPACE;
517: break;
1.124 schwarze 518: case ROFFT_HEAD:
1.11 schwarze 519: p->flags |= TERMP_NOBREAK;
1.93 schwarze 520: p->trailspace = 1;
1.11 schwarze 521: break;
1.124 schwarze 522: case ROFFT_BLOCK:
1.88 schwarze 523: print_bvspace(p, n, mt->pardist);
1.11 schwarze 524: /* FALLTHROUGH */
525: default:
1.138 schwarze 526: return 1;
1.11 schwarze 527: }
528:
1.57 schwarze 529: /* Calculate the offset from the optional second argument. */
1.116 schwarze 530: if ((nn = n->parent->head->child) != NULL &&
531: (nn = nn->next) != NULL &&
1.157 schwarze 532: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 533: len = term_hen(p, &su);
1.116 schwarze 534: if (len < 0 && (size_t)(-len) > mt->offset)
535: len = -mt->offset;
1.117 schwarze 536: else if (len > SHRT_MAX)
537: len = term_len(p, p->defindent);
538: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 539: } else
540: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 541:
542: switch (n->type) {
1.124 schwarze 543: case ROFFT_HEAD:
1.156 schwarze 544: p->tcol->offset = mt->offset;
545: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 546:
1.57 schwarze 547: savelit = MANT_LITERAL & mt->fl;
548: mt->fl &= ~MANT_LITERAL;
549:
550: if (n->child)
1.89 schwarze 551: print_man_node(p, mt, n->child, meta);
1.57 schwarze 552:
553: if (savelit)
554: mt->fl |= MANT_LITERAL;
555:
1.138 schwarze 556: return 0;
1.124 schwarze 557: case ROFFT_BODY:
1.156 schwarze 558: p->tcol->offset = mt->offset + len;
559: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 560: break;
561: default:
562: break;
563: }
1.1 kristaps 564:
1.138 schwarze 565: return 1;
1.11 schwarze 566: }
1.1 kristaps 567:
1.11 schwarze 568: static void
569: post_IP(DECL_ARGS)
570: {
1.4 schwarze 571:
1.11 schwarze 572: switch (n->type) {
1.124 schwarze 573: case ROFFT_HEAD:
1.11 schwarze 574: term_flushln(p);
575: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 576: p->trailspace = 0;
1.156 schwarze 577: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 578: break;
1.124 schwarze 579: case ROFFT_BODY:
1.57 schwarze 580: term_newln(p);
1.156 schwarze 581: p->tcol->offset = mt->offset;
1.11 schwarze 582: break;
583: default:
584: break;
585: }
1.1 kristaps 586: }
587:
588: static int
589: pre_TP(DECL_ARGS)
590: {
1.116 schwarze 591: struct roffsu su;
1.125 schwarze 592: struct roff_node *nn;
1.116 schwarze 593: int len, savelit;
1.11 schwarze 594:
595: switch (n->type) {
1.124 schwarze 596: case ROFFT_HEAD:
1.137 schwarze 597: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 598: p->trailspace = 1;
1.11 schwarze 599: break;
1.124 schwarze 600: case ROFFT_BODY:
1.11 schwarze 601: p->flags |= TERMP_NOSPACE;
602: break;
1.124 schwarze 603: case ROFFT_BLOCK:
1.166 schwarze 604: if (n->tok == MAN_TP)
605: print_bvspace(p, n, mt->pardist);
1.11 schwarze 606: /* FALLTHROUGH */
607: default:
1.138 schwarze 608: return 1;
1.11 schwarze 609: }
610:
611: /* Calculate offset. */
1.1 kristaps 612:
1.116 schwarze 613: if ((nn = n->parent->head->child) != NULL &&
1.141 schwarze 614: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.157 schwarze 615: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 616: len = term_hen(p, &su);
1.116 schwarze 617: if (len < 0 && (size_t)(-len) > mt->offset)
618: len = -mt->offset;
1.117 schwarze 619: else if (len > SHRT_MAX)
620: len = term_len(p, p->defindent);
621: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 622: } else
623: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 624:
1.11 schwarze 625: switch (n->type) {
1.124 schwarze 626: case ROFFT_HEAD:
1.156 schwarze 627: p->tcol->offset = mt->offset;
628: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 629:
1.57 schwarze 630: savelit = MANT_LITERAL & mt->fl;
631: mt->fl &= ~MANT_LITERAL;
632:
1.11 schwarze 633: /* Don't print same-line elements. */
1.95 schwarze 634: nn = n->child;
1.141 schwarze 635: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.95 schwarze 636: nn = nn->next;
637:
638: while (NULL != nn) {
639: print_man_node(p, mt, nn, meta);
640: nn = nn->next;
641: }
1.11 schwarze 642:
1.57 schwarze 643: if (savelit)
644: mt->fl |= MANT_LITERAL;
1.138 schwarze 645: return 0;
1.124 schwarze 646: case ROFFT_BODY:
1.156 schwarze 647: p->tcol->offset = mt->offset + len;
648: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 649: p->trailspace = 0;
1.137 schwarze 650: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 651: break;
652: default:
653: break;
654: }
1.1 kristaps 655:
1.138 schwarze 656: return 1;
1.11 schwarze 657: }
1.1 kristaps 658:
1.11 schwarze 659: static void
660: post_TP(DECL_ARGS)
661: {
1.1 kristaps 662:
1.11 schwarze 663: switch (n->type) {
1.124 schwarze 664: case ROFFT_HEAD:
1.11 schwarze 665: term_flushln(p);
666: break;
1.124 schwarze 667: case ROFFT_BODY:
1.57 schwarze 668: term_newln(p);
1.156 schwarze 669: p->tcol->offset = mt->offset;
1.11 schwarze 670: break;
671: default:
672: break;
673: }
1.1 kristaps 674: }
675:
676: static int
677: pre_SS(DECL_ARGS)
678: {
1.88 schwarze 679: int i;
1.1 kristaps 680:
1.11 schwarze 681: switch (n->type) {
1.124 schwarze 682: case ROFFT_BLOCK:
1.69 schwarze 683: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 684: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
685: mt->offset = term_len(p, p->defindent);
1.111 schwarze 686:
687: /*
688: * No vertical space before the first subsection
689: * and after an empty subsection.
690: */
691:
692: do {
693: n = n->prev;
1.162 schwarze 694: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 695: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 696: if (n == NULL || n->type == ROFFT_COMMENT ||
697: (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 698: break;
1.111 schwarze 699:
1.88 schwarze 700: for (i = 0; i < mt->pardist; i++)
701: term_vspace(p);
1.11 schwarze 702: break;
1.124 schwarze 703: case ROFFT_HEAD:
1.21 schwarze 704: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 705: p->tcol->offset = term_len(p, 3);
706: p->tcol->rmargin = mt->offset;
1.129 schwarze 707: p->trailspace = mt->offset;
708: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 709: break;
1.124 schwarze 710: case ROFFT_BODY:
1.156 schwarze 711: p->tcol->offset = mt->offset;
712: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 713: p->trailspace = 0;
714: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 715: break;
716: default:
717: break;
718: }
719:
1.138 schwarze 720: return 1;
1.1 kristaps 721: }
722:
723: static void
724: post_SS(DECL_ARGS)
725: {
1.100 schwarze 726:
1.11 schwarze 727: switch (n->type) {
1.124 schwarze 728: case ROFFT_HEAD:
1.11 schwarze 729: term_newln(p);
730: break;
1.124 schwarze 731: case ROFFT_BODY:
1.11 schwarze 732: term_newln(p);
733: break;
734: default:
735: break;
736: }
1.1 kristaps 737: }
738:
739: static int
740: pre_SH(DECL_ARGS)
741: {
1.88 schwarze 742: int i;
1.1 kristaps 743:
1.11 schwarze 744: switch (n->type) {
1.124 schwarze 745: case ROFFT_BLOCK:
1.69 schwarze 746: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 747: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
748: mt->offset = term_len(p, p->defindent);
1.111 schwarze 749:
750: /*
751: * No vertical space before the first section
752: * and after an empty section.
753: */
754:
755: do {
756: n = n->prev;
1.162 schwarze 757: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 758: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 759: if (n == NULL || n->type == ROFFT_COMMENT ||
760: (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 761: break;
1.111 schwarze 762:
1.88 schwarze 763: for (i = 0; i < mt->pardist; i++)
764: term_vspace(p);
1.11 schwarze 765: break;
1.124 schwarze 766: case ROFFT_HEAD:
1.21 schwarze 767: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 768: p->tcol->offset = 0;
769: p->tcol->rmargin = mt->offset;
1.129 schwarze 770: p->trailspace = mt->offset;
771: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 772: break;
1.124 schwarze 773: case ROFFT_BODY:
1.156 schwarze 774: p->tcol->offset = mt->offset;
775: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 776: p->trailspace = 0;
777: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 778: break;
779: default:
780: break;
781: }
782:
1.138 schwarze 783: return 1;
1.1 kristaps 784: }
785:
786: static void
787: post_SH(DECL_ARGS)
788: {
1.100 schwarze 789:
1.11 schwarze 790: switch (n->type) {
1.124 schwarze 791: case ROFFT_HEAD:
1.11 schwarze 792: term_newln(p);
793: break;
1.124 schwarze 794: case ROFFT_BODY:
1.11 schwarze 795: term_newln(p);
796: break;
797: default:
1.13 schwarze 798: break;
799: }
800: }
801:
802: static int
803: pre_RS(DECL_ARGS)
804: {
1.116 schwarze 805: struct roffsu su;
1.13 schwarze 806:
807: switch (n->type) {
1.124 schwarze 808: case ROFFT_BLOCK:
1.13 schwarze 809: term_newln(p);
1.138 schwarze 810: return 1;
1.124 schwarze 811: case ROFFT_HEAD:
1.138 schwarze 812: return 0;
1.13 schwarze 813: default:
814: break;
815: }
816:
1.118 schwarze 817: n = n->parent->head;
818: n->aux = SHRT_MAX + 1;
1.130 schwarze 819: if (n->child == NULL)
820: n->aux = mt->lmargin[mt->lmargincur];
1.157 schwarze 821: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.158 schwarze 822: n->aux = term_hen(p, &su);
1.118 schwarze 823: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
824: n->aux = -mt->offset;
825: else if (n->aux > SHRT_MAX)
826: n->aux = term_len(p, p->defindent);
1.13 schwarze 827:
1.118 schwarze 828: mt->offset += n->aux;
1.156 schwarze 829: p->tcol->offset = mt->offset;
830: p->tcol->rmargin = p->maxrmargin;
1.13 schwarze 831:
1.70 schwarze 832: if (++mt->lmarginsz < MAXMARGINS)
833: mt->lmargincur = mt->lmarginsz;
834:
1.131 schwarze 835: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 836: return 1;
1.13 schwarze 837: }
838:
839: static void
840: post_RS(DECL_ARGS)
841: {
842:
843: switch (n->type) {
1.124 schwarze 844: case ROFFT_BLOCK:
1.69 schwarze 845: return;
1.124 schwarze 846: case ROFFT_HEAD:
1.69 schwarze 847: return;
1.13 schwarze 848: default:
849: term_newln(p);
1.11 schwarze 850: break;
851: }
1.69 schwarze 852:
1.118 schwarze 853: mt->offset -= n->parent->head->aux;
1.156 schwarze 854: p->tcol->offset = mt->offset;
1.70 schwarze 855:
856: if (--mt->lmarginsz < MAXMARGINS)
857: mt->lmargincur = mt->lmarginsz;
1.168 schwarze 858: }
859:
860: static int
861: pre_SY(DECL_ARGS)
862: {
863: const struct roff_node *nn;
864: int len;
865:
866: switch (n->type) {
867: case ROFFT_BLOCK:
1.170 schwarze 868: if (n->prev == NULL || n->prev->tok != MAN_SY)
869: print_bvspace(p, n, mt->pardist);
1.168 schwarze 870: return 1;
871: case ROFFT_HEAD:
872: case ROFFT_BODY:
873: break;
874: default:
875: abort();
876: }
877:
878: nn = n->parent->head->child;
1.172 schwarze 879: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.168 schwarze 880:
881: switch (n->type) {
882: case ROFFT_HEAD:
883: p->tcol->offset = mt->offset;
884: p->tcol->rmargin = mt->offset + len;
885: p->flags |= TERMP_NOBREAK;
886: term_fontrepl(p, TERMFONT_BOLD);
887: break;
888: case ROFFT_BODY:
889: mt->lmargin[mt->lmargincur] = len;
890: p->tcol->offset = mt->offset + len;
891: p->tcol->rmargin = p->maxrmargin;
892: p->flags |= TERMP_NOSPACE;
893: break;
894: default:
895: abort();
896: }
897: return 1;
898: }
899:
900: static void
901: post_SY(DECL_ARGS)
902: {
903: switch (n->type) {
904: case ROFFT_HEAD:
905: term_flushln(p);
906: p->flags &= ~TERMP_NOBREAK;
907: break;
908: case ROFFT_BODY:
909: term_newln(p);
910: p->tcol->offset = mt->offset;
911: break;
912: default:
913: break;
914: }
1.91 schwarze 915: }
916:
917: static int
918: pre_UR(DECL_ARGS)
919: {
920:
1.138 schwarze 921: return n->type != ROFFT_HEAD;
1.91 schwarze 922: }
923:
924: static void
925: post_UR(DECL_ARGS)
926: {
927:
1.124 schwarze 928: if (n->type != ROFFT_BLOCK)
1.91 schwarze 929: return;
930:
931: term_word(p, "<");
932: p->flags |= TERMP_NOSPACE;
933:
934: if (NULL != n->child->child)
935: print_man_node(p, mt, n->child->child, meta);
936:
937: p->flags |= TERMP_NOSPACE;
938: term_word(p, ">");
1.47 schwarze 939: }
940:
1.1 kristaps 941: static void
1.19 schwarze 942: print_man_node(DECL_ARGS)
1.1 kristaps 943: {
1.167 schwarze 944: const struct man_term_act *act;
945: int c;
1.1 kristaps 946:
947: switch (n->type) {
1.124 schwarze 948: case ROFFT_TEXT:
1.61 schwarze 949: /*
950: * If we have a blank line, output a vertical space.
951: * If we have a space as the first character, break
952: * before printing the line's data.
953: */
1.153 schwarze 954: if (*n->string == '\0') {
1.160 schwarze 955: if (p->flags & TERMP_NONEWLINE)
956: term_newln(p);
957: else
958: term_vspace(p);
1.61 schwarze 959: return;
1.153 schwarze 960: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
961: (p->flags & TERMP_NONEWLINE) == 0)
1.60 schwarze 962: term_newln(p);
1.165 schwarze 963: else if (n->flags & NODE_DELIMC)
964: p->flags |= TERMP_NOSPACE;
1.21 schwarze 965:
1.1 kristaps 966: term_word(p, n->string);
1.84 schwarze 967: goto out;
1.163 schwarze 968: case ROFFT_COMMENT:
969: return;
1.124 schwarze 970: case ROFFT_EQN:
1.141 schwarze 971: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 972: p->flags |= TERMP_NOSPACE;
1.71 schwarze 973: term_eqn(p, n->eqn);
1.141 schwarze 974: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 975: p->flags |= TERMP_NOSPACE;
1.61 schwarze 976: return;
1.124 schwarze 977: case ROFFT_TBL:
1.122 schwarze 978: if (p->tbl.cols == NULL)
979: term_vspace(p);
1.58 schwarze 980: term_tbl(p, n->span);
1.61 schwarze 981: return;
1.1 kristaps 982: default:
983: break;
984: }
985:
1.146 schwarze 986: if (n->tok < ROFF_MAX) {
1.147 schwarze 987: roff_term_pre(p, n);
1.146 schwarze 988: return;
989: }
990:
1.167 schwarze 991: act = man_term_act(n->tok);
1.173 schwarze 992: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.61 schwarze 993: term_fontrepl(p, TERMFONT_NONE);
994:
995: c = 1;
1.167 schwarze 996: if (act->pre != NULL)
997: c = (*act->pre)(p, mt, n, meta);
1.61 schwarze 998:
1.1 kristaps 999: if (c && n->child)
1.89 schwarze 1000: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1001:
1.167 schwarze 1002: if (act->post != NULL)
1003: (*act->post)(p, mt, n, meta);
1.173 schwarze 1004: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.61 schwarze 1005: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 1006:
1.84 schwarze 1007: out:
1008: /*
1009: * If we're in a literal context, make sure that words
1010: * together on the same line stay together. This is a
1011: * POST-printing call, so we check the NEXT word. Since
1012: * -man doesn't have nested macros, we don't need to be
1013: * more specific than this.
1014: */
1.110 schwarze 1015: if (mt->fl & MANT_LITERAL &&
1016: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 schwarze 1017: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.155 schwarze 1018: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.110 schwarze 1019: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1020: term_flushln(p);
1021: else
1022: term_newln(p);
1.155 schwarze 1023: p->flags &= ~TERMP_BRNEVER;
1.156 schwarze 1024: if (p->tcol->rmargin < p->maxrmargin &&
1025: n->parent->tok == MAN_HP) {
1026: p->tcol->offset = p->tcol->rmargin;
1027: p->tcol->rmargin = p->maxrmargin;
1.155 schwarze 1028: }
1.84 schwarze 1029: }
1.141 schwarze 1030: if (NODE_EOS & n->flags)
1.30 schwarze 1031: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1032: }
1033:
1034:
1035: static void
1.21 schwarze 1036: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1037: {
1.11 schwarze 1038:
1.121 schwarze 1039: while (n != NULL) {
1040: print_man_node(p, mt, n, meta);
1041: n = n->next;
1042: }
1.1 kristaps 1043: }
1044:
1045: static void
1.126 schwarze 1046: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1047: {
1.101 schwarze 1048: char *title;
1.109 schwarze 1049: size_t datelen, titlen;
1.41 schwarze 1050:
1.80 schwarze 1051: assert(meta->title);
1052: assert(meta->msec);
1053: assert(meta->date);
1.21 schwarze 1054:
1055: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1056:
1.103 schwarze 1057: if (meta->hasbody)
1058: term_vspace(p);
1.81 schwarze 1059:
1060: /*
1061: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1062: * In the bottom right corner, use the operating system
1063: * instead of the title.
1.81 schwarze 1064: */
1065:
1.79 schwarze 1066: if ( ! p->mdocstyle) {
1.103 schwarze 1067: if (meta->hasbody) {
1068: term_vspace(p);
1069: term_vspace(p);
1070: }
1.101 schwarze 1071: mandoc_asprintf(&title, "%s(%s)",
1072: meta->title, meta->msec);
1.126 schwarze 1073: } else if (meta->os) {
1074: title = mandoc_strdup(meta->os);
1.79 schwarze 1075: } else {
1.101 schwarze 1076: title = mandoc_strdup("");
1.79 schwarze 1077: }
1.78 schwarze 1078: datelen = term_strlen(p, meta->date);
1.1 kristaps 1079:
1.126 schwarze 1080: /* Bottom left corner: operating system. */
1.81 schwarze 1081:
1.1 kristaps 1082: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1083: p->trailspace = 1;
1.156 schwarze 1084: p->tcol->offset = 0;
1085: p->tcol->rmargin = p->maxrmargin > datelen ?
1.109 schwarze 1086: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1087:
1.126 schwarze 1088: if (meta->os)
1089: term_word(p, meta->os);
1.1 kristaps 1090: term_flushln(p);
1091:
1.81 schwarze 1092: /* At the bottom in the middle: manual date. */
1093:
1.156 schwarze 1094: p->tcol->offset = p->tcol->rmargin;
1.109 schwarze 1095: titlen = term_strlen(p, title);
1.156 schwarze 1096: p->tcol->rmargin = p->maxrmargin > titlen ?
1097: p->maxrmargin - titlen : 0;
1.72 schwarze 1098: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1099:
1100: term_word(p, meta->date);
1101: term_flushln(p);
1102:
1.81 schwarze 1103: /* Bottom right corner: manual title and section. */
1104:
1.78 schwarze 1105: p->flags &= ~TERMP_NOBREAK;
1106: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1107: p->trailspace = 0;
1.156 schwarze 1108: p->tcol->offset = p->tcol->rmargin;
1109: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1110:
1.78 schwarze 1111: term_word(p, title);
1.1 kristaps 1112: term_flushln(p);
1.164 schwarze 1113:
1114: /*
1115: * Reset the terminal state for more output after the footer:
1116: * Some output modes, in particular PostScript and PDF, print
1117: * the header and the footer into a buffer such that it can be
1118: * reused for multiple output pages, then go on to format the
1119: * main text.
1120: */
1121:
1122: p->tcol->offset = 0;
1123: p->flags = 0;
1124:
1.101 schwarze 1125: free(title);
1.1 kristaps 1126: }
1127:
1128: static void
1.126 schwarze 1129: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1130: {
1.102 schwarze 1131: const char *volume;
1.101 schwarze 1132: char *title;
1.102 schwarze 1133: size_t vollen, titlen;
1.41 schwarze 1134:
1.89 schwarze 1135: assert(meta->title);
1136: assert(meta->msec);
1.1 kristaps 1137:
1.102 schwarze 1138: volume = NULL == meta->vol ? "" : meta->vol;
1139: vollen = term_strlen(p, volume);
1.1 kristaps 1140:
1.81 schwarze 1141: /* Top left corner: manual title and section. */
1142:
1.101 schwarze 1143: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1144: titlen = term_strlen(p, title);
1.1 kristaps 1145:
1.73 schwarze 1146: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1147: p->trailspace = 1;
1.156 schwarze 1148: p->tcol->offset = 0;
1149: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.102 schwarze 1150: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1151: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1152:
1153: term_word(p, title);
1154: term_flushln(p);
1155:
1.81 schwarze 1156: /* At the top in the middle: manual volume. */
1157:
1.72 schwarze 1158: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1159: p->tcol->offset = p->tcol->rmargin;
1160: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1161: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1162:
1.102 schwarze 1163: term_word(p, volume);
1.1 kristaps 1164: term_flushln(p);
1165:
1.81 schwarze 1166: /* Top right corner: title and section, again. */
1167:
1.1 kristaps 1168: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1169: p->trailspace = 0;
1.156 schwarze 1170: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1171: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1172: p->tcol->offset = p->tcol->rmargin;
1173: p->tcol->rmargin = p->maxrmargin;
1.25 schwarze 1174: term_word(p, title);
1175: term_flushln(p);
1176: }
1.1 kristaps 1177:
1.73 schwarze 1178: p->flags &= ~TERMP_NOSPACE;
1.156 schwarze 1179: p->tcol->offset = 0;
1180: p->tcol->rmargin = p->maxrmargin;
1.29 schwarze 1181:
1.100 schwarze 1182: /*
1.81 schwarze 1183: * Groff prints three blank lines before the content.
1184: * Do the same, except in the temporary, undocumented
1185: * mode imitating mdoc(7) output.
1.29 schwarze 1186: */
1187:
1188: term_vspace(p);
1.79 schwarze 1189: if ( ! p->mdocstyle) {
1190: term_vspace(p);
1191: term_vspace(p);
1192: }
1.101 schwarze 1193: free(title);
1.1 kristaps 1194: }
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