Annotation of mandoc/man_term.c, Revision 1.215
1.215 ! schwarze 1: /* $Id: man_term.c,v 1.214 2018/08/17 20:33:37 schwarze Exp $ */
1.1 kristaps 2: /*
1.128 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.210 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
1.8 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:
1.214 schwarze 54: struct man_term_act {
1.1 kristaps 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);
1.199 schwarze 71: static int pre_DT(DECL_ARGS);
1.19 kristaps 72: static int pre_HP(DECL_ARGS);
1.1 kristaps 73: static int pre_I(DECL_ARGS);
1.4 kristaps 74: static int pre_IP(DECL_ARGS);
1.127 kristaps 75: static int pre_OP(DECL_ARGS);
1.134 schwarze 76: static int pre_PD(DECL_ARGS);
1.1 kristaps 77: static int pre_PP(DECL_ARGS);
1.26 kristaps 78: static int pre_RS(DECL_ARGS);
1.1 kristaps 79: static int pre_SH(DECL_ARGS);
80: static int pre_SS(DECL_ARGS);
1.215 ! schwarze 81: static int pre_SY(DECL_ARGS);
1.1 kristaps 82: static int pre_TP(DECL_ARGS);
1.137 schwarze 83: static int pre_UR(DECL_ARGS);
1.127 kristaps 84: static int pre_alternate(DECL_ARGS);
1.29 kristaps 85: static int pre_ign(DECL_ARGS);
1.83 kristaps 86: static int pre_in(DECL_ARGS);
1.84 kristaps 87: static int pre_literal(DECL_ARGS);
1.1 kristaps 88:
1.22 kristaps 89: static void post_IP(DECL_ARGS);
1.20 kristaps 90: static void post_HP(DECL_ARGS);
1.26 kristaps 91: static void post_RS(DECL_ARGS);
1.1 kristaps 92: static void post_SH(DECL_ARGS);
93: static void post_SS(DECL_ARGS);
1.215 ! schwarze 94: static void post_SY(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:
1.214 schwarze 98: static const struct man_term_act man_term_acts[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 */
1.213 schwarze 103: { pre_TP, post_TP, 0 }, /* TQ */
1.56 kristaps 104: { pre_PP, NULL, 0 }, /* LP */
105: { pre_PP, NULL, 0 }, /* PP */
106: { pre_PP, NULL, 0 }, /* P */
107: { pre_IP, post_IP, 0 }, /* IP */
1.146 schwarze 108: { pre_HP, post_HP, 0 }, /* HP */
1.56 kristaps 109: { NULL, NULL, 0 }, /* SM */
110: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 111: { pre_alternate, NULL, 0 }, /* BI */
112: { pre_alternate, NULL, 0 }, /* IB */
113: { pre_alternate, NULL, 0 }, /* BR */
114: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 115: { NULL, NULL, 0 }, /* R */
116: { pre_B, NULL, 0 }, /* B */
117: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 118: { pre_alternate, NULL, 0 }, /* IR */
119: { pre_alternate, NULL, 0 }, /* RI */
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 */
1.199 schwarze 124: { pre_DT, 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 */
1.215 ! schwarze 129: { pre_SY, post_SY, 0 }, /* SY */
! 130: { NULL, NULL, 0 }, /* YS */
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 */
1.208 schwarze 136: { pre_UR, post_UR, 0 }, /* MT */
137: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 138: };
1.214 schwarze 139: static const struct man_term_act *man_term_act(enum roff_tok);
1.1 kristaps 140:
141:
1.214 schwarze 142: static const struct man_term_act *
143: man_term_act(enum roff_tok tok)
144: {
145: assert(tok >= MAN_TH && tok <= MAN_MAX);
146: return man_term_acts + (tok - MAN_TH);
147: }
148:
1.31 kristaps 149: void
1.180 schwarze 150: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 151: {
1.36 kristaps 152: struct termp *p;
1.172 schwarze 153: struct roff_node *n;
1.36 kristaps 154: struct mtermp mt;
1.189 schwarze 155: size_t save_defindent;
1.36 kristaps 156:
157: p = (struct termp *)arg;
1.206 schwarze 158: save_defindent = p->defindent;
159: if (p->synopsisonly == 0 && p->defindent == 0)
160: p->defindent = 7;
1.203 schwarze 161: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.198 schwarze 162: term_tab_set(p, NULL);
163: term_tab_set(p, "T");
164: term_tab_set(p, ".5i");
1.36 kristaps 165:
1.116 schwarze 166: memset(&mt, 0, sizeof(struct mtermp));
1.122 schwarze 167: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
168: mt.offset = term_len(p, p->defindent);
1.134 schwarze 169: mt.pardist = 1;
1.24 kristaps 170:
1.181 schwarze 171: n = man->first->child;
1.151 schwarze 172: if (p->synopsisonly) {
173: while (n != NULL) {
174: if (n->tok == MAN_SH &&
1.171 schwarze 175: n->child->child->type == ROFFT_TEXT &&
1.151 schwarze 176: !strcmp(n->child->child->string, "SYNOPSIS")) {
177: if (n->child->next->child != NULL)
178: print_man_nodelist(p, &mt,
1.181 schwarze 179: n->child->next->child,
180: &man->meta);
1.151 schwarze 181: term_newln(p);
182: break;
183: }
184: n = n->next;
185: }
186: } else {
1.181 schwarze 187: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.151 schwarze 188: p->flags |= TERMP_NOSPACE;
189: if (n != NULL)
1.181 schwarze 190: print_man_nodelist(p, &mt, n, &man->meta);
1.151 schwarze 191: term_end(p);
192: }
1.206 schwarze 193: p->defindent = save_defindent;
1.1 kristaps 194: }
195:
1.111 kristaps 196: /*
197: * Printing leading vertical space before a block.
198: * This is used for the paragraph macros.
199: * The rules are pretty simple, since there's very little nesting going
200: * on here. Basically, if we're the first within another block (SS/SH),
201: * then don't emit vertical space. If we are (RS), then do. If not the
202: * first, print it.
203: */
1.39 kristaps 204: static void
1.172 schwarze 205: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 kristaps 206: {
1.134 schwarze 207: int i;
1.111 kristaps 208:
1.39 kristaps 209: term_newln(p);
1.101 schwarze 210:
1.111 kristaps 211: if (n->body && n->body->child)
1.171 schwarze 212: if (n->body->child->type == ROFFT_TBL)
1.111 kristaps 213: return;
214:
1.171 schwarze 215: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.111 kristaps 216: if (NULL == n->prev)
217: return;
1.18 kristaps 218:
1.134 schwarze 219: for (i = 0; i < pardist; i++)
220: term_vspace(p);
1.18 kristaps 221: }
222:
1.146 schwarze 223:
1.1 kristaps 224: static int
1.29 kristaps 225: pre_ign(DECL_ARGS)
226: {
227:
1.185 schwarze 228: return 0;
1.29 kristaps 229: }
230:
231: static int
1.1 kristaps 232: pre_I(DECL_ARGS)
233: {
234:
1.52 kristaps 235: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 236: return 1;
1.19 kristaps 237: }
238:
1.3 kristaps 239: static int
1.84 kristaps 240: pre_literal(DECL_ARGS)
1.19 kristaps 241: {
242:
1.81 kristaps 243: term_newln(p);
1.88 kristaps 244:
1.203 schwarze 245: if (n->tok == MAN_nf || n->tok == MAN_EX)
1.84 kristaps 246: mt->fl |= MANT_LITERAL;
1.88 kristaps 247: else
1.84 kristaps 248: mt->fl &= ~MANT_LITERAL;
249:
1.117 schwarze 250: /*
251: * Unlike .IP and .TP, .HP does not have a HEAD.
252: * So in case a second call to term_flushln() is needed,
253: * indentation has to be set up explicitly.
254: */
1.203 schwarze 255: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
256: p->tcol->offset = p->tcol->rmargin;
257: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 258: p->trailspace = 0;
1.145 schwarze 259: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 260: p->flags |= TERMP_NOSPACE;
261: }
262:
1.185 schwarze 263: return 0;
1.19 kristaps 264: }
265:
266: static int
1.134 schwarze 267: pre_PD(DECL_ARGS)
268: {
1.160 schwarze 269: struct roffsu su;
1.134 schwarze 270:
271: n = n->child;
1.160 schwarze 272: if (n == NULL) {
1.134 schwarze 273: mt->pardist = 1;
1.185 schwarze 274: return 0;
1.134 schwarze 275: }
1.171 schwarze 276: assert(n->type == ROFFT_TEXT);
1.204 schwarze 277: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.160 schwarze 278: mt->pardist = term_vspan(p, &su);
1.185 schwarze 279: return 0;
1.134 schwarze 280: }
281:
282: static int
1.88 kristaps 283: pre_alternate(DECL_ARGS)
1.3 kristaps 284: {
1.88 kristaps 285: enum termfont font[2];
1.172 schwarze 286: struct roff_node *nn;
1.88 kristaps 287: int savelit, i;
1.3 kristaps 288:
1.88 kristaps 289: switch (n->tok) {
1.146 schwarze 290: case MAN_RB:
1.88 kristaps 291: font[0] = TERMFONT_NONE;
292: font[1] = TERMFONT_BOLD;
293: break;
1.146 schwarze 294: case MAN_RI:
1.88 kristaps 295: font[0] = TERMFONT_NONE;
296: font[1] = TERMFONT_UNDER;
297: break;
1.146 schwarze 298: case MAN_BR:
1.88 kristaps 299: font[0] = TERMFONT_BOLD;
300: font[1] = TERMFONT_NONE;
301: break;
1.146 schwarze 302: case MAN_BI:
1.88 kristaps 303: font[0] = TERMFONT_BOLD;
304: font[1] = TERMFONT_UNDER;
305: break;
1.146 schwarze 306: case MAN_IR:
1.88 kristaps 307: font[0] = TERMFONT_UNDER;
308: font[1] = TERMFONT_NONE;
309: break;
1.146 schwarze 310: case MAN_IB:
1.88 kristaps 311: font[0] = TERMFONT_UNDER;
312: font[1] = TERMFONT_BOLD;
313: break;
314: default:
315: abort();
316: }
1.35 kristaps 317:
1.88 kristaps 318: savelit = MANT_LITERAL & mt->fl;
319: mt->fl &= ~MANT_LITERAL;
1.35 kristaps 320:
1.88 kristaps 321: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
322: term_fontrepl(p, font[i]);
323: if (savelit && NULL == nn->next)
324: mt->fl |= MANT_LITERAL;
1.179 schwarze 325: assert(nn->type == ROFFT_TEXT);
326: term_word(p, nn->string);
1.188 schwarze 327: if (nn->flags & NODE_EOS)
1.179 schwarze 328: p->flags |= TERMP_SENTENCE;
1.88 kristaps 329: if (nn->next)
1.4 kristaps 330: p->flags |= TERMP_NOSPACE;
1.3 kristaps 331: }
332:
1.185 schwarze 333: return 0;
1.3 kristaps 334: }
335:
1.1 kristaps 336: static int
337: pre_B(DECL_ARGS)
338: {
339:
1.52 kristaps 340: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 341: return 1;
1.127 kristaps 342: }
343:
344: static int
345: pre_OP(DECL_ARGS)
346: {
347:
348: term_word(p, "[");
349: p->flags |= TERMP_NOSPACE;
350:
351: if (NULL != (n = n->child)) {
352: term_fontrepl(p, TERMFONT_BOLD);
353: term_word(p, n->string);
354: }
355: if (NULL != n && NULL != n->next) {
356: term_fontrepl(p, TERMFONT_UNDER);
357: term_word(p, n->next->string);
358: }
359:
360: term_fontrepl(p, TERMFONT_NONE);
361: p->flags |= TERMP_NOSPACE;
362: term_word(p, "]");
1.185 schwarze 363: return 0;
1.83 kristaps 364: }
365:
366: static int
367: pre_in(DECL_ARGS)
368: {
1.163 schwarze 369: struct roffsu su;
370: const char *cp;
1.83 kristaps 371: size_t v;
1.163 schwarze 372: int less;
1.83 kristaps 373:
374: term_newln(p);
375:
1.203 schwarze 376: if (n->child == NULL) {
377: p->tcol->offset = mt->offset;
1.185 schwarze 378: return 0;
1.83 kristaps 379: }
380:
381: cp = n->child->string;
382: less = 0;
383:
384: if ('-' == *cp)
385: less = -1;
386: else if ('+' == *cp)
387: less = 1;
388: else
389: cp--;
390:
1.204 schwarze 391: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.185 schwarze 392: return 0;
1.83 kristaps 393:
1.205 schwarze 394: v = term_hen(p, &su);
1.83 kristaps 395:
396: if (less < 0)
1.203 schwarze 397: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.83 kristaps 398: else if (less > 0)
1.203 schwarze 399: p->tcol->offset += v;
1.146 schwarze 400: else
1.203 schwarze 401: p->tcol->offset = v;
402: if (p->tcol->offset > SHRT_MAX)
403: p->tcol->offset = term_len(p, p->defindent);
1.19 kristaps 404:
1.199 schwarze 405: return 0;
406: }
407:
408: static int
409: pre_DT(DECL_ARGS)
410: {
411: term_tab_set(p, NULL);
412: term_tab_set(p, "T");
413: term_tab_set(p, ".5i");
1.185 schwarze 414: return 0;
1.15 kristaps 415: }
416:
417: static int
1.19 kristaps 418: pre_HP(DECL_ARGS)
419: {
1.163 schwarze 420: struct roffsu su;
1.172 schwarze 421: const struct roff_node *nn;
1.163 schwarze 422: int len;
1.19 kristaps 423:
1.20 kristaps 424: switch (n->type) {
1.171 schwarze 425: case ROFFT_BLOCK:
1.134 schwarze 426: print_bvspace(p, n, mt->pardist);
1.185 schwarze 427: return 1;
1.171 schwarze 428: case ROFFT_BODY:
1.20 kristaps 429: break;
430: default:
1.185 schwarze 431: return 0;
1.20 kristaps 432: }
433:
1.130 schwarze 434: if ( ! (MANT_LITERAL & mt->fl)) {
1.145 schwarze 435: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 436: p->trailspace = 2;
1.130 schwarze 437: }
438:
1.24 kristaps 439: /* Calculate offset. */
440:
1.163 schwarze 441: if ((nn = n->parent->head->child) != NULL &&
1.204 schwarze 442: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 443: len = term_hen(p, &su);
1.164 schwarze 444: if (len < 0 && (size_t)(-len) > mt->offset)
445: len = -mt->offset;
446: else if (len > SHRT_MAX)
447: len = term_len(p, p->defindent);
1.163 schwarze 448: mt->lmargin[mt->lmargincur] = len;
449: } else
450: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 451:
1.203 schwarze 452: p->tcol->offset = mt->offset;
453: p->tcol->rmargin = mt->offset + len;
1.185 schwarze 454: return 1;
1.19 kristaps 455: }
456:
1.20 kristaps 457: static void
458: post_HP(DECL_ARGS)
459: {
460:
461: switch (n->type) {
1.171 schwarze 462: case ROFFT_BODY:
1.136 schwarze 463: term_newln(p);
1.174 schwarze 464:
465: /*
466: * Compatibility with a groff bug.
467: * The .HP macro uses the undocumented .tag request
468: * which causes a line break and cancels no-space
469: * mode even if there isn't any output.
470: */
471:
472: if (n->child == NULL)
473: term_vspace(p);
474:
1.145 schwarze 475: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 476: p->trailspace = 0;
1.203 schwarze 477: p->tcol->offset = mt->offset;
478: p->tcol->rmargin = p->maxrmargin;
1.20 kristaps 479: break;
480: default:
481: break;
482: }
483: }
484:
1.19 kristaps 485: static int
1.1 kristaps 486: pre_PP(DECL_ARGS)
487: {
488:
1.19 kristaps 489: switch (n->type) {
1.171 schwarze 490: case ROFFT_BLOCK:
1.122 schwarze 491: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 492: print_bvspace(p, n, mt->pardist);
1.19 kristaps 493: break;
494: default:
1.203 schwarze 495: p->tcol->offset = mt->offset;
1.19 kristaps 496: break;
497: }
498:
1.185 schwarze 499: return n->type != ROFFT_HEAD;
1.1 kristaps 500: }
501:
502: static int
1.4 kristaps 503: pre_IP(DECL_ARGS)
504: {
1.163 schwarze 505: struct roffsu su;
1.172 schwarze 506: const struct roff_node *nn;
1.163 schwarze 507: int len, savelit;
1.18 kristaps 508:
1.22 kristaps 509: switch (n->type) {
1.171 schwarze 510: case ROFFT_BODY:
1.22 kristaps 511: p->flags |= TERMP_NOSPACE;
512: break;
1.171 schwarze 513: case ROFFT_HEAD:
1.22 kristaps 514: p->flags |= TERMP_NOBREAK;
1.139 schwarze 515: p->trailspace = 1;
1.22 kristaps 516: break;
1.171 schwarze 517: case ROFFT_BLOCK:
1.134 schwarze 518: print_bvspace(p, n, mt->pardist);
1.23 kristaps 519: /* FALLTHROUGH */
1.22 kristaps 520: default:
1.185 schwarze 521: return 1;
1.22 kristaps 522: }
1.18 kristaps 523:
1.94 schwarze 524: /* Calculate the offset from the optional second argument. */
1.163 schwarze 525: if ((nn = n->parent->head->child) != NULL &&
526: (nn = nn->next) != NULL &&
1.204 schwarze 527: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 528: len = term_hen(p, &su);
1.163 schwarze 529: if (len < 0 && (size_t)(-len) > mt->offset)
530: len = -mt->offset;
1.164 schwarze 531: else if (len > SHRT_MAX)
532: len = term_len(p, p->defindent);
533: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 534: } else
535: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 536:
1.22 kristaps 537: switch (n->type) {
1.171 schwarze 538: case ROFFT_HEAD:
1.203 schwarze 539: p->tcol->offset = mt->offset;
540: p->tcol->rmargin = mt->offset + len;
1.18 kristaps 541:
1.94 schwarze 542: savelit = MANT_LITERAL & mt->fl;
543: mt->fl &= ~MANT_LITERAL;
544:
545: if (n->child)
1.135 schwarze 546: print_man_node(p, mt, n->child, meta);
1.94 schwarze 547:
548: if (savelit)
549: mt->fl |= MANT_LITERAL;
550:
1.185 schwarze 551: return 0;
1.171 schwarze 552: case ROFFT_BODY:
1.203 schwarze 553: p->tcol->offset = mt->offset + len;
554: p->tcol->rmargin = p->maxrmargin;
1.23 kristaps 555: break;
1.22 kristaps 556: default:
557: break;
1.18 kristaps 558: }
559:
1.185 schwarze 560: return 1;
1.22 kristaps 561: }
1.18 kristaps 562:
1.22 kristaps 563: static void
564: post_IP(DECL_ARGS)
565: {
1.4 kristaps 566:
1.22 kristaps 567: switch (n->type) {
1.171 schwarze 568: case ROFFT_HEAD:
1.22 kristaps 569: term_flushln(p);
570: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 571: p->trailspace = 0;
1.203 schwarze 572: p->tcol->rmargin = p->maxrmargin;
1.22 kristaps 573: break;
1.171 schwarze 574: case ROFFT_BODY:
1.94 schwarze 575: term_newln(p);
1.203 schwarze 576: p->tcol->offset = mt->offset;
1.22 kristaps 577: break;
578: default:
579: break;
580: }
1.4 kristaps 581: }
582:
583: static int
1.1 kristaps 584: pre_TP(DECL_ARGS)
585: {
1.163 schwarze 586: struct roffsu su;
1.172 schwarze 587: struct roff_node *nn;
1.163 schwarze 588: int len, savelit;
1.1 kristaps 589:
1.21 kristaps 590: switch (n->type) {
1.171 schwarze 591: case ROFFT_HEAD:
1.184 schwarze 592: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 593: p->trailspace = 1;
1.21 kristaps 594: break;
1.171 schwarze 595: case ROFFT_BODY:
1.21 kristaps 596: p->flags |= TERMP_NOSPACE;
1.23 kristaps 597: break;
1.171 schwarze 598: case ROFFT_BLOCK:
1.213 schwarze 599: if (n->tok == MAN_TP)
600: print_bvspace(p, n, mt->pardist);
1.23 kristaps 601: /* FALLTHROUGH */
602: default:
1.185 schwarze 603: return 1;
1.23 kristaps 604: }
605:
606: /* Calculate offset. */
607:
1.163 schwarze 608: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 609: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.204 schwarze 610: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 611: len = term_hen(p, &su);
1.163 schwarze 612: if (len < 0 && (size_t)(-len) > mt->offset)
613: len = -mt->offset;
1.164 schwarze 614: else if (len > SHRT_MAX)
615: len = term_len(p, p->defindent);
616: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 617: } else
618: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 619:
620: switch (n->type) {
1.171 schwarze 621: case ROFFT_HEAD:
1.203 schwarze 622: p->tcol->offset = mt->offset;
623: p->tcol->rmargin = mt->offset + len;
1.23 kristaps 624:
1.94 schwarze 625: savelit = MANT_LITERAL & mt->fl;
626: mt->fl &= ~MANT_LITERAL;
627:
1.23 kristaps 628: /* Don't print same-line elements. */
1.141 schwarze 629: nn = n->child;
1.188 schwarze 630: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.141 schwarze 631: nn = nn->next;
632:
633: while (NULL != nn) {
634: print_man_node(p, mt, nn, meta);
635: nn = nn->next;
636: }
1.24 kristaps 637:
1.94 schwarze 638: if (savelit)
639: mt->fl |= MANT_LITERAL;
1.185 schwarze 640: return 0;
1.171 schwarze 641: case ROFFT_BODY:
1.203 schwarze 642: p->tcol->offset = mt->offset + len;
643: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 644: p->trailspace = 0;
1.184 schwarze 645: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 646: break;
647: default:
648: break;
649: }
1.16 kristaps 650:
1.185 schwarze 651: return 1;
1.21 kristaps 652: }
1.1 kristaps 653:
1.21 kristaps 654: static void
655: post_TP(DECL_ARGS)
656: {
1.1 kristaps 657:
1.21 kristaps 658: switch (n->type) {
1.171 schwarze 659: case ROFFT_HEAD:
1.21 kristaps 660: term_flushln(p);
661: break;
1.171 schwarze 662: case ROFFT_BODY:
1.94 schwarze 663: term_newln(p);
1.203 schwarze 664: p->tcol->offset = mt->offset;
1.21 kristaps 665: break;
666: default:
667: break;
668: }
1.1 kristaps 669: }
670:
671: static int
672: pre_SS(DECL_ARGS)
673: {
1.134 schwarze 674: int i;
1.1 kristaps 675:
1.19 kristaps 676: switch (n->type) {
1.171 schwarze 677: case ROFFT_BLOCK:
1.113 kristaps 678: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 679: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
680: mt->offset = term_len(p, p->defindent);
1.158 schwarze 681:
682: /*
683: * No vertical space before the first subsection
684: * and after an empty subsection.
685: */
686:
687: do {
688: n = n->prev;
1.209 schwarze 689: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 690: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 691: if (n == NULL || n->type == ROFFT_COMMENT ||
692: (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 693: break;
1.158 schwarze 694:
1.134 schwarze 695: for (i = 0; i < mt->pardist; i++)
696: term_vspace(p);
1.19 kristaps 697: break;
1.171 schwarze 698: case ROFFT_HEAD:
1.52 kristaps 699: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 700: p->tcol->offset = term_len(p, 3);
701: p->tcol->rmargin = mt->offset;
1.176 schwarze 702: p->trailspace = mt->offset;
703: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 704: break;
1.171 schwarze 705: case ROFFT_BODY:
1.203 schwarze 706: p->tcol->offset = mt->offset;
707: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 708: p->trailspace = 0;
709: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 710: break;
1.19 kristaps 711: default:
712: break;
713: }
714:
1.185 schwarze 715: return 1;
1.1 kristaps 716: }
717:
718: static void
719: post_SS(DECL_ARGS)
720: {
1.146 schwarze 721:
1.19 kristaps 722: switch (n->type) {
1.171 schwarze 723: case ROFFT_HEAD:
1.19 kristaps 724: term_newln(p);
725: break;
1.171 schwarze 726: case ROFFT_BODY:
1.24 kristaps 727: term_newln(p);
728: break;
1.19 kristaps 729: default:
730: break;
731: }
1.1 kristaps 732: }
733:
734: static int
735: pre_SH(DECL_ARGS)
736: {
1.134 schwarze 737: int i;
1.22 kristaps 738:
1.19 kristaps 739: switch (n->type) {
1.171 schwarze 740: case ROFFT_BLOCK:
1.113 kristaps 741: mt->fl &= ~MANT_LITERAL;
1.122 schwarze 742: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
743: mt->offset = term_len(p, p->defindent);
1.158 schwarze 744:
745: /*
746: * No vertical space before the first section
747: * and after an empty section.
748: */
749:
750: do {
751: n = n->prev;
1.209 schwarze 752: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 753: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 754: if (n == NULL || n->type == ROFFT_COMMENT ||
755: (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 756: break;
1.158 schwarze 757:
1.134 schwarze 758: for (i = 0; i < mt->pardist; i++)
759: term_vspace(p);
1.19 kristaps 760: break;
1.171 schwarze 761: case ROFFT_HEAD:
1.52 kristaps 762: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 763: p->tcol->offset = 0;
764: p->tcol->rmargin = mt->offset;
1.176 schwarze 765: p->trailspace = mt->offset;
766: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 767: break;
1.171 schwarze 768: case ROFFT_BODY:
1.203 schwarze 769: p->tcol->offset = mt->offset;
770: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 771: p->trailspace = 0;
772: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 773: break;
774: default:
775: break;
776: }
1.1 kristaps 777:
1.185 schwarze 778: return 1;
1.1 kristaps 779: }
780:
781: static void
782: post_SH(DECL_ARGS)
783: {
1.146 schwarze 784:
1.19 kristaps 785: switch (n->type) {
1.171 schwarze 786: case ROFFT_HEAD:
1.19 kristaps 787: term_newln(p);
788: break;
1.171 schwarze 789: case ROFFT_BODY:
1.19 kristaps 790: term_newln(p);
791: break;
792: default:
793: break;
794: }
1.1 kristaps 795: }
796:
1.26 kristaps 797: static int
798: pre_RS(DECL_ARGS)
799: {
1.163 schwarze 800: struct roffsu su;
1.26 kristaps 801:
802: switch (n->type) {
1.171 schwarze 803: case ROFFT_BLOCK:
1.26 kristaps 804: term_newln(p);
1.185 schwarze 805: return 1;
1.171 schwarze 806: case ROFFT_HEAD:
1.185 schwarze 807: return 0;
1.26 kristaps 808: default:
809: break;
810: }
811:
1.165 schwarze 812: n = n->parent->head;
813: n->aux = SHRT_MAX + 1;
1.177 schwarze 814: if (n->child == NULL)
815: n->aux = mt->lmargin[mt->lmargincur];
1.204 schwarze 816: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.205 schwarze 817: n->aux = term_hen(p, &su);
1.165 schwarze 818: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
819: n->aux = -mt->offset;
820: else if (n->aux > SHRT_MAX)
821: n->aux = term_len(p, p->defindent);
1.26 kristaps 822:
1.165 schwarze 823: mt->offset += n->aux;
1.203 schwarze 824: p->tcol->offset = mt->offset;
825: p->tcol->rmargin = p->maxrmargin;
1.26 kristaps 826:
1.116 schwarze 827: if (++mt->lmarginsz < MAXMARGINS)
828: mt->lmargincur = mt->lmarginsz;
829:
1.178 schwarze 830: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 831: return 1;
1.26 kristaps 832: }
833:
834: static void
835: post_RS(DECL_ARGS)
836: {
837:
838: switch (n->type) {
1.171 schwarze 839: case ROFFT_BLOCK:
1.110 kristaps 840: return;
1.171 schwarze 841: case ROFFT_HEAD:
1.110 kristaps 842: return;
1.26 kristaps 843: default:
844: term_newln(p);
845: break;
846: }
1.110 kristaps 847:
1.165 schwarze 848: mt->offset -= n->parent->head->aux;
1.203 schwarze 849: p->tcol->offset = mt->offset;
1.116 schwarze 850:
851: if (--mt->lmarginsz < MAXMARGINS)
852: mt->lmargincur = mt->lmarginsz;
1.215 ! schwarze 853: }
! 854:
! 855: static int
! 856: pre_SY(DECL_ARGS)
! 857: {
! 858: const struct roff_node *nn;
! 859: int len;
! 860:
! 861: switch (n->type) {
! 862: case ROFFT_BLOCK:
! 863: print_bvspace(p, n, mt->pardist);
! 864: return 1;
! 865: case ROFFT_HEAD:
! 866: case ROFFT_BODY:
! 867: break;
! 868: default:
! 869: abort();
! 870: }
! 871:
! 872: nn = n->parent->head->child;
! 873: len = nn == NULL ? 0 : term_strlen(p, nn->string) + 1;
! 874:
! 875: switch (n->type) {
! 876: case ROFFT_HEAD:
! 877: p->tcol->offset = mt->offset;
! 878: p->tcol->rmargin = mt->offset + len;
! 879: p->flags |= TERMP_NOBREAK;
! 880: term_fontrepl(p, TERMFONT_BOLD);
! 881: break;
! 882: case ROFFT_BODY:
! 883: mt->lmargin[mt->lmargincur] = len;
! 884: p->tcol->offset = mt->offset + len;
! 885: p->tcol->rmargin = p->maxrmargin;
! 886: p->flags |= TERMP_NOSPACE;
! 887: break;
! 888: default:
! 889: abort();
! 890: }
! 891: return 1;
! 892: }
! 893:
! 894: static void
! 895: post_SY(DECL_ARGS)
! 896: {
! 897: switch (n->type) {
! 898: case ROFFT_HEAD:
! 899: term_flushln(p);
! 900: p->flags &= ~TERMP_NOBREAK;
! 901: break;
! 902: case ROFFT_BODY:
! 903: term_newln(p);
! 904: p->tcol->offset = mt->offset;
! 905: break;
! 906: default:
! 907: break;
! 908: }
1.137 schwarze 909: }
910:
911: static int
912: pre_UR(DECL_ARGS)
913: {
914:
1.185 schwarze 915: return n->type != ROFFT_HEAD;
1.137 schwarze 916: }
917:
918: static void
919: post_UR(DECL_ARGS)
920: {
921:
1.171 schwarze 922: if (n->type != ROFFT_BLOCK)
1.137 schwarze 923: return;
924:
925: term_word(p, "<");
926: p->flags |= TERMP_NOSPACE;
927:
928: if (NULL != n->child->child)
929: print_man_node(p, mt, n->child->child, meta);
930:
931: p->flags |= TERMP_NOSPACE;
932: term_word(p, ">");
1.26 kristaps 933: }
934:
1.1 kristaps 935: static void
1.45 kristaps 936: print_man_node(DECL_ARGS)
1.1 kristaps 937: {
1.214 schwarze 938: const struct man_term_act *act;
939: int c;
1.1 kristaps 940:
941: switch (n->type) {
1.171 schwarze 942: case ROFFT_TEXT:
1.97 kristaps 943: /*
944: * If we have a blank line, output a vertical space.
945: * If we have a space as the first character, break
946: * before printing the line's data.
947: */
1.200 schwarze 948: if (*n->string == '\0') {
1.207 schwarze 949: if (p->flags & TERMP_NONEWLINE)
950: term_newln(p);
951: else
952: term_vspace(p);
1.98 schwarze 953: return;
1.200 schwarze 954: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
955: (p->flags & TERMP_NONEWLINE) == 0)
1.96 kristaps 956: term_newln(p);
1.212 schwarze 957: else if (n->flags & NODE_DELIMC)
958: p->flags |= TERMP_NOSPACE;
1.54 kristaps 959:
1.4 kristaps 960: term_word(p, n->string);
1.130 schwarze 961: goto out;
1.210 schwarze 962: case ROFFT_COMMENT:
963: return;
1.171 schwarze 964: case ROFFT_EQN:
1.188 schwarze 965: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 966: p->flags |= TERMP_NOSPACE;
1.115 kristaps 967: term_eqn(p, n->eqn);
1.188 schwarze 968: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 969: p->flags |= TERMP_NOSPACE;
1.97 kristaps 970: return;
1.171 schwarze 971: case ROFFT_TBL:
1.169 schwarze 972: if (p->tbl.cols == NULL)
973: term_vspace(p);
1.92 kristaps 974: term_tbl(p, n->span);
1.97 kristaps 975: return;
1.1 kristaps 976: default:
977: break;
978: }
979:
1.193 schwarze 980: if (n->tok < ROFF_MAX) {
1.194 schwarze 981: roff_term_pre(p, n);
1.193 schwarze 982: return;
983: }
984:
1.214 schwarze 985: act = man_term_act(n->tok);
986: if ((act->flags & MAN_NOTEXT) == 0)
1.97 kristaps 987: term_fontrepl(p, TERMFONT_NONE);
988:
989: c = 1;
1.214 schwarze 990: if (act->pre != NULL)
991: c = (*act->pre)(p, mt, n, meta);
1.97 kristaps 992:
1.1 kristaps 993: if (c && n->child)
1.135 schwarze 994: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 995:
1.214 schwarze 996: if (act->post != NULL)
997: (*act->post)(p, mt, n, meta);
998: if ((act->flags & MAN_NOTEXT) == 0)
1.97 kristaps 999: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 1000:
1.130 schwarze 1001: out:
1002: /*
1003: * If we're in a literal context, make sure that words
1004: * together on the same line stay together. This is a
1005: * POST-printing call, so we check the NEXT word. Since
1006: * -man doesn't have nested macros, we don't need to be
1007: * more specific than this.
1008: */
1.157 schwarze 1009: if (mt->fl & MANT_LITERAL &&
1010: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 1011: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.202 schwarze 1012: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.157 schwarze 1013: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 1014: term_flushln(p);
1015: else
1016: term_newln(p);
1.202 schwarze 1017: p->flags &= ~TERMP_BRNEVER;
1.203 schwarze 1018: if (p->tcol->rmargin < p->maxrmargin &&
1019: n->parent->tok == MAN_HP) {
1020: p->tcol->offset = p->tcol->rmargin;
1021: p->tcol->rmargin = p->maxrmargin;
1.202 schwarze 1022: }
1.130 schwarze 1023: }
1.188 schwarze 1024: if (NODE_EOS & n->flags)
1.63 kristaps 1025: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1026: }
1027:
1028:
1029: static void
1.52 kristaps 1030: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1031: {
1.19 kristaps 1032:
1.168 schwarze 1033: while (n != NULL) {
1034: print_man_node(p, mt, n, meta);
1035: n = n->next;
1036: }
1.1 kristaps 1037: }
1038:
1.31 kristaps 1039: static void
1.173 schwarze 1040: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1041: {
1.147 schwarze 1042: char *title;
1.156 schwarze 1043: size_t datelen, titlen;
1.73 kristaps 1044:
1.125 schwarze 1045: assert(meta->title);
1046: assert(meta->msec);
1047: assert(meta->date);
1.1 kristaps 1048:
1.52 kristaps 1049: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1050:
1.149 schwarze 1051: if (meta->hasbody)
1052: term_vspace(p);
1.126 schwarze 1053:
1054: /*
1055: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1056: * In the bottom right corner, use the operating system
1057: * instead of the title.
1.126 schwarze 1058: */
1059:
1060: if ( ! p->mdocstyle) {
1.149 schwarze 1061: if (meta->hasbody) {
1062: term_vspace(p);
1063: term_vspace(p);
1064: }
1.147 schwarze 1065: mandoc_asprintf(&title, "%s(%s)",
1066: meta->title, meta->msec);
1.173 schwarze 1067: } else if (meta->os) {
1068: title = mandoc_strdup(meta->os);
1.126 schwarze 1069: } else {
1.147 schwarze 1070: title = mandoc_strdup("");
1.126 schwarze 1071: }
1.125 schwarze 1072: datelen = term_strlen(p, meta->date);
1.1 kristaps 1073:
1.173 schwarze 1074: /* Bottom left corner: operating system. */
1.126 schwarze 1075:
1.1 kristaps 1076: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1077: p->trailspace = 1;
1.203 schwarze 1078: p->tcol->offset = 0;
1079: p->tcol->rmargin = p->maxrmargin > datelen ?
1.156 schwarze 1080: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1081:
1.173 schwarze 1082: if (meta->os)
1083: term_word(p, meta->os);
1.1 kristaps 1084: term_flushln(p);
1085:
1.126 schwarze 1086: /* At the bottom in the middle: manual date. */
1087:
1.203 schwarze 1088: p->tcol->offset = p->tcol->rmargin;
1.156 schwarze 1089: titlen = term_strlen(p, title);
1.203 schwarze 1090: p->tcol->rmargin = p->maxrmargin > titlen ?
1091: p->maxrmargin - titlen : 0;
1.117 schwarze 1092: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1093:
1.125 schwarze 1094: term_word(p, meta->date);
1.123 schwarze 1095: term_flushln(p);
1096:
1.126 schwarze 1097: /* Bottom right corner: manual title and section. */
1098:
1.123 schwarze 1099: p->flags &= ~TERMP_NOBREAK;
1100: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1101: p->trailspace = 0;
1.203 schwarze 1102: p->tcol->offset = p->tcol->rmargin;
1103: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1104:
1.123 schwarze 1105: term_word(p, title);
1.1 kristaps 1106: term_flushln(p);
1.211 schwarze 1107:
1108: /*
1109: * Reset the terminal state for more output after the footer:
1110: * Some output modes, in particular PostScript and PDF, print
1111: * the header and the footer into a buffer such that it can be
1112: * reused for multiple output pages, then go on to format the
1113: * main text.
1114: */
1115:
1116: p->tcol->offset = 0;
1117: p->flags = 0;
1118:
1.147 schwarze 1119: free(title);
1.1 kristaps 1120: }
1121:
1.31 kristaps 1122: static void
1.173 schwarze 1123: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1124: {
1.148 schwarze 1125: const char *volume;
1.147 schwarze 1126: char *title;
1.148 schwarze 1127: size_t vollen, titlen;
1.73 kristaps 1128:
1.135 schwarze 1129: assert(meta->title);
1130: assert(meta->msec);
1.1 kristaps 1131:
1.148 schwarze 1132: volume = NULL == meta->vol ? "" : meta->vol;
1133: vollen = term_strlen(p, volume);
1.1 kristaps 1134:
1.126 schwarze 1135: /* Top left corner: manual title and section. */
1136:
1.147 schwarze 1137: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1138: titlen = term_strlen(p, title);
1.1 kristaps 1139:
1.118 schwarze 1140: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1141: p->trailspace = 1;
1.203 schwarze 1142: p->tcol->offset = 0;
1143: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.148 schwarze 1144: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1145: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1146:
1147: term_word(p, title);
1148: term_flushln(p);
1149:
1.126 schwarze 1150: /* At the top in the middle: manual volume. */
1151:
1.117 schwarze 1152: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1153: p->tcol->offset = p->tcol->rmargin;
1154: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1155: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1156:
1.148 schwarze 1157: term_word(p, volume);
1.1 kristaps 1158: term_flushln(p);
1159:
1.126 schwarze 1160: /* Top right corner: title and section, again. */
1161:
1.1 kristaps 1162: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1163: p->trailspace = 0;
1.203 schwarze 1164: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1165: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1166: p->tcol->offset = p->tcol->rmargin;
1167: p->tcol->rmargin = p->maxrmargin;
1.57 kristaps 1168: term_word(p, title);
1169: term_flushln(p);
1170: }
1.1 kristaps 1171:
1.118 schwarze 1172: p->flags &= ~TERMP_NOSPACE;
1.203 schwarze 1173: p->tcol->offset = 0;
1174: p->tcol->rmargin = p->maxrmargin;
1.61 kristaps 1175:
1.146 schwarze 1176: /*
1.126 schwarze 1177: * Groff prints three blank lines before the content.
1178: * Do the same, except in the temporary, undocumented
1179: * mode imitating mdoc(7) output.
1.62 kristaps 1180: */
1181:
1.61 kristaps 1182: term_vspace(p);
1.126 schwarze 1183: if ( ! p->mdocstyle) {
1184: term_vspace(p);
1185: term_vspace(p);
1186: }
1.147 schwarze 1187: free(title);
1.1 kristaps 1188: }
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