Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.170
1.170 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.169 2018/08/18 13:04:48 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"
1.37 schwarze 28: #include "mandoc.h"
1.124 schwarze 29: #include "roff.h"
30: #include "man.h"
1.18 schwarze 31: #include "out.h"
1.1 kristaps 32: #include "term.h"
1.18 schwarze 33: #include "main.h"
1.10 schwarze 34:
1.70 schwarze 35: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.1 kristaps 36:
1.11 schwarze 37: struct mtermp {
38: int fl;
39: #define MANT_LITERAL (1 << 0)
1.116 schwarze 40: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.70 schwarze 41: int lmargincur; /* index of current margin */
42: int lmarginsz; /* actual number of nested margins */
43: size_t offset; /* default offset to visible page */
1.88 schwarze 44: int pardist; /* vert. space before par., unit: [v] */
1.11 schwarze 45: };
46:
1.100 schwarze 47: #define DECL_ARGS struct termp *p, \
1.11 schwarze 48: struct mtermp *mt, \
1.125 schwarze 49: struct roff_node *n, \
1.126 schwarze 50: const struct roff_meta *meta
1.1 kristaps 51:
1.167 schwarze 52: struct man_term_act {
1.1 kristaps 53: int (*pre)(DECL_ARGS);
54: void (*post)(DECL_ARGS);
1.26 schwarze 55: int flags;
56: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 57: };
58:
1.21 schwarze 59: static void print_man_nodelist(DECL_ARGS);
1.19 schwarze 60: static void print_man_node(DECL_ARGS);
1.126 schwarze 61: static void print_man_head(struct termp *,
62: const struct roff_meta *);
63: static void print_man_foot(struct termp *,
64: const struct roff_meta *);
1.100 schwarze 65: static void print_bvspace(struct termp *,
1.125 schwarze 66: const struct roff_node *, int);
1.18 schwarze 67:
1.1 kristaps 68: static int pre_B(DECL_ARGS);
1.152 schwarze 69: static int pre_DT(DECL_ARGS);
1.11 schwarze 70: static int pre_HP(DECL_ARGS);
1.1 kristaps 71: static int pre_I(DECL_ARGS);
72: static int pre_IP(DECL_ARGS);
1.82 schwarze 73: static int pre_OP(DECL_ARGS);
1.88 schwarze 74: static int pre_PD(DECL_ARGS);
1.1 kristaps 75: static int pre_PP(DECL_ARGS);
1.13 schwarze 76: static int pre_RS(DECL_ARGS);
1.1 kristaps 77: static int pre_SH(DECL_ARGS);
78: static int pre_SS(DECL_ARGS);
1.168 schwarze 79: static int pre_SY(DECL_ARGS);
1.1 kristaps 80: static int pre_TP(DECL_ARGS);
1.91 schwarze 81: static int pre_UR(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 */
1.26 schwarze 102: { pre_PP, NULL, 0 }, /* LP */
103: { pre_PP, NULL, 0 }, /* PP */
104: { pre_PP, NULL, 0 }, /* P */
105: { pre_IP, post_IP, 0 }, /* IP */
1.100 schwarze 106: { pre_HP, post_HP, 0 }, /* HP */
1.26 schwarze 107: { NULL, NULL, 0 }, /* SM */
108: { pre_B, NULL, 0 }, /* SB */
1.51 schwarze 109: { pre_alternate, NULL, 0 }, /* BI */
110: { pre_alternate, NULL, 0 }, /* IB */
111: { pre_alternate, NULL, 0 }, /* BR */
112: { pre_alternate, NULL, 0 }, /* RB */
1.26 schwarze 113: { NULL, NULL, 0 }, /* R */
114: { pre_B, NULL, 0 }, /* B */
115: { pre_I, NULL, 0 }, /* I */
1.51 schwarze 116: { pre_alternate, NULL, 0 }, /* IR */
117: { pre_alternate, NULL, 0 }, /* RI */
1.45 schwarze 118: { pre_literal, NULL, 0 }, /* nf */
119: { pre_literal, NULL, 0 }, /* 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:
1.100 schwarze 221:
1.14 schwarze 222: static int
223: pre_ign(DECL_ARGS)
224: {
225:
1.138 schwarze 226: return 0;
1.11 schwarze 227: }
228:
1.1 kristaps 229: static int
230: pre_I(DECL_ARGS)
231: {
232:
1.21 schwarze 233: term_fontrepl(p, TERMFONT_UNDER);
1.138 schwarze 234: return 1;
1.1 kristaps 235: }
236:
1.11 schwarze 237: static int
1.45 schwarze 238: pre_literal(DECL_ARGS)
1.11 schwarze 239: {
240:
1.45 schwarze 241: term_newln(p);
1.53 schwarze 242:
1.156 schwarze 243: if (n->tok == MAN_nf || n->tok == MAN_EX)
1.45 schwarze 244: mt->fl |= MANT_LITERAL;
1.53 schwarze 245: else
1.45 schwarze 246: mt->fl &= ~MANT_LITERAL;
247:
1.72 schwarze 248: /*
249: * Unlike .IP and .TP, .HP does not have a HEAD.
250: * So in case a second call to term_flushln() is needed,
251: * indentation has to be set up explicitly.
252: */
1.156 schwarze 253: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
254: p->tcol->offset = p->tcol->rmargin;
255: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 256: p->trailspace = 0;
1.99 schwarze 257: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.72 schwarze 258: p->flags |= TERMP_NOSPACE;
259: }
260:
1.138 schwarze 261: return 0;
1.11 schwarze 262: }
263:
264: static int
1.88 schwarze 265: pre_PD(DECL_ARGS)
266: {
1.113 schwarze 267: struct roffsu su;
1.88 schwarze 268:
269: n = n->child;
1.113 schwarze 270: if (n == NULL) {
1.88 schwarze 271: mt->pardist = 1;
1.138 schwarze 272: return 0;
1.88 schwarze 273: }
1.124 schwarze 274: assert(n->type == ROFFT_TEXT);
1.157 schwarze 275: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.113 schwarze 276: mt->pardist = term_vspan(p, &su);
1.138 schwarze 277: return 0;
1.88 schwarze 278: }
279:
280: static int
1.51 schwarze 281: pre_alternate(DECL_ARGS)
1.1 kristaps 282: {
1.51 schwarze 283: enum termfont font[2];
1.125 schwarze 284: struct roff_node *nn;
1.51 schwarze 285: int savelit, i;
1.1 kristaps 286:
1.51 schwarze 287: switch (n->tok) {
1.100 schwarze 288: case MAN_RB:
1.51 schwarze 289: font[0] = TERMFONT_NONE;
290: font[1] = TERMFONT_BOLD;
291: break;
1.100 schwarze 292: case MAN_RI:
1.51 schwarze 293: font[0] = TERMFONT_NONE;
294: font[1] = TERMFONT_UNDER;
295: break;
1.100 schwarze 296: case MAN_BR:
1.51 schwarze 297: font[0] = TERMFONT_BOLD;
298: font[1] = TERMFONT_NONE;
299: break;
1.100 schwarze 300: case MAN_BI:
1.51 schwarze 301: font[0] = TERMFONT_BOLD;
302: font[1] = TERMFONT_UNDER;
303: break;
1.100 schwarze 304: case MAN_IR:
1.51 schwarze 305: font[0] = TERMFONT_UNDER;
306: font[1] = TERMFONT_NONE;
307: break;
1.100 schwarze 308: case MAN_IB:
1.51 schwarze 309: font[0] = TERMFONT_UNDER;
310: font[1] = TERMFONT_BOLD;
311: break;
312: default:
313: abort();
314: }
1.17 schwarze 315:
1.51 schwarze 316: savelit = MANT_LITERAL & mt->fl;
317: mt->fl &= ~MANT_LITERAL;
1.17 schwarze 318:
1.51 schwarze 319: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
320: term_fontrepl(p, font[i]);
321: if (savelit && NULL == nn->next)
322: mt->fl |= MANT_LITERAL;
1.132 schwarze 323: assert(nn->type == ROFFT_TEXT);
324: term_word(p, nn->string);
1.141 schwarze 325: if (nn->flags & NODE_EOS)
1.132 schwarze 326: p->flags |= TERMP_SENTENCE;
1.51 schwarze 327: if (nn->next)
1.1 kristaps 328: p->flags |= TERMP_NOSPACE;
329: }
1.17 schwarze 330:
1.138 schwarze 331: return 0;
1.1 kristaps 332: }
333:
334: static int
335: pre_B(DECL_ARGS)
336: {
337:
1.21 schwarze 338: term_fontrepl(p, TERMFONT_BOLD);
1.138 schwarze 339: return 1;
1.82 schwarze 340: }
341:
342: static int
343: pre_OP(DECL_ARGS)
344: {
345:
346: term_word(p, "[");
1.169 schwarze 347: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.82 schwarze 348:
349: if (NULL != (n = n->child)) {
350: term_fontrepl(p, TERMFONT_BOLD);
351: term_word(p, n->string);
352: }
353: if (NULL != n && NULL != n->next) {
354: term_fontrepl(p, TERMFONT_UNDER);
355: term_word(p, n->next->string);
356: }
357:
358: term_fontrepl(p, TERMFONT_NONE);
1.169 schwarze 359: p->flags &= ~TERMP_KEEP;
1.82 schwarze 360: p->flags |= TERMP_NOSPACE;
361: term_word(p, "]");
1.138 schwarze 362: return 0;
1.1 kristaps 363: }
364:
365: static int
1.45 schwarze 366: pre_in(DECL_ARGS)
1.11 schwarze 367: {
1.116 schwarze 368: struct roffsu su;
369: const char *cp;
1.45 schwarze 370: size_t v;
1.116 schwarze 371: int less;
1.45 schwarze 372:
373: term_newln(p);
374:
1.156 schwarze 375: if (n->child == NULL) {
376: p->tcol->offset = mt->offset;
1.138 schwarze 377: return 0;
1.45 schwarze 378: }
1.11 schwarze 379:
1.45 schwarze 380: cp = n->child->string;
381: less = 0;
1.11 schwarze 382:
1.45 schwarze 383: if ('-' == *cp)
384: less = -1;
385: else if ('+' == *cp)
386: less = 1;
387: else
388: cp--;
389:
1.157 schwarze 390: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.138 schwarze 391: return 0;
1.45 schwarze 392:
1.158 schwarze 393: v = term_hen(p, &su);
1.45 schwarze 394:
395: if (less < 0)
1.156 schwarze 396: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.45 schwarze 397: else if (less > 0)
1.156 schwarze 398: p->tcol->offset += v;
1.100 schwarze 399: else
1.156 schwarze 400: p->tcol->offset = v;
401: if (p->tcol->offset > SHRT_MAX)
402: p->tcol->offset = term_len(p, p->defindent);
1.8 schwarze 403:
1.152 schwarze 404: return 0;
405: }
406:
407: static int
408: pre_DT(DECL_ARGS)
409: {
410: term_tab_set(p, NULL);
411: term_tab_set(p, "T");
412: term_tab_set(p, ".5i");
1.138 schwarze 413: return 0;
1.8 schwarze 414: }
415:
416: static int
1.11 schwarze 417: pre_HP(DECL_ARGS)
418: {
1.116 schwarze 419: struct roffsu su;
1.125 schwarze 420: const struct roff_node *nn;
1.116 schwarze 421: int len;
1.11 schwarze 422:
423: switch (n->type) {
1.124 schwarze 424: case ROFFT_BLOCK:
1.88 schwarze 425: print_bvspace(p, n, mt->pardist);
1.138 schwarze 426: return 1;
1.124 schwarze 427: case ROFFT_BODY:
1.11 schwarze 428: break;
429: default:
1.138 schwarze 430: return 0;
1.11 schwarze 431: }
432:
1.84 schwarze 433: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 434: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 435: p->trailspace = 2;
1.84 schwarze 436: }
437:
1.11 schwarze 438: /* Calculate offset. */
439:
1.116 schwarze 440: if ((nn = n->parent->head->child) != NULL &&
1.157 schwarze 441: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 442: len = term_hen(p, &su);
1.117 schwarze 443: if (len < 0 && (size_t)(-len) > mt->offset)
444: len = -mt->offset;
445: else if (len > SHRT_MAX)
446: len = term_len(p, p->defindent);
1.116 schwarze 447: mt->lmargin[mt->lmargincur] = len;
448: } else
449: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 450:
1.156 schwarze 451: p->tcol->offset = mt->offset;
452: p->tcol->rmargin = mt->offset + len;
1.138 schwarze 453: return 1;
1.11 schwarze 454: }
455:
456: static void
457: post_HP(DECL_ARGS)
458: {
459:
460: switch (n->type) {
1.124 schwarze 461: case ROFFT_BODY:
1.90 schwarze 462: term_newln(p);
1.127 schwarze 463:
464: /*
465: * Compatibility with a groff bug.
466: * The .HP macro uses the undocumented .tag request
467: * which causes a line break and cancels no-space
468: * mode even if there isn't any output.
469: */
470:
471: if (n->child == NULL)
472: term_vspace(p);
473:
1.99 schwarze 474: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 475: p->trailspace = 0;
1.156 schwarze 476: p->tcol->offset = mt->offset;
477: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 478: break;
479: default:
480: break;
481: }
482: }
483:
484: static int
1.1 kristaps 485: pre_PP(DECL_ARGS)
486: {
487:
1.11 schwarze 488: switch (n->type) {
1.124 schwarze 489: case ROFFT_BLOCK:
1.77 schwarze 490: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 491: print_bvspace(p, n, mt->pardist);
1.11 schwarze 492: break;
493: default:
1.156 schwarze 494: p->tcol->offset = mt->offset;
1.11 schwarze 495: break;
496: }
497:
1.138 schwarze 498: return n->type != ROFFT_HEAD;
1.1 kristaps 499: }
500:
501: static int
502: pre_IP(DECL_ARGS)
503: {
1.116 schwarze 504: struct roffsu su;
1.125 schwarze 505: const struct roff_node *nn;
1.116 schwarze 506: int len, savelit;
1.11 schwarze 507:
508: switch (n->type) {
1.124 schwarze 509: case ROFFT_BODY:
1.11 schwarze 510: p->flags |= TERMP_NOSPACE;
511: break;
1.124 schwarze 512: case ROFFT_HEAD:
1.11 schwarze 513: p->flags |= TERMP_NOBREAK;
1.93 schwarze 514: p->trailspace = 1;
1.11 schwarze 515: break;
1.124 schwarze 516: case ROFFT_BLOCK:
1.88 schwarze 517: print_bvspace(p, n, mt->pardist);
1.11 schwarze 518: /* FALLTHROUGH */
519: default:
1.138 schwarze 520: return 1;
1.11 schwarze 521: }
522:
1.57 schwarze 523: /* Calculate the offset from the optional second argument. */
1.116 schwarze 524: if ((nn = n->parent->head->child) != NULL &&
525: (nn = nn->next) != NULL &&
1.157 schwarze 526: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 527: len = term_hen(p, &su);
1.116 schwarze 528: if (len < 0 && (size_t)(-len) > mt->offset)
529: len = -mt->offset;
1.117 schwarze 530: else if (len > SHRT_MAX)
531: len = term_len(p, p->defindent);
532: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 533: } else
534: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 535:
536: switch (n->type) {
1.124 schwarze 537: case ROFFT_HEAD:
1.156 schwarze 538: p->tcol->offset = mt->offset;
539: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 540:
1.57 schwarze 541: savelit = MANT_LITERAL & mt->fl;
542: mt->fl &= ~MANT_LITERAL;
543:
544: if (n->child)
1.89 schwarze 545: print_man_node(p, mt, n->child, meta);
1.57 schwarze 546:
547: if (savelit)
548: mt->fl |= MANT_LITERAL;
549:
1.138 schwarze 550: return 0;
1.124 schwarze 551: case ROFFT_BODY:
1.156 schwarze 552: p->tcol->offset = mt->offset + len;
553: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 554: break;
555: default:
556: break;
557: }
1.1 kristaps 558:
1.138 schwarze 559: return 1;
1.11 schwarze 560: }
1.1 kristaps 561:
1.11 schwarze 562: static void
563: post_IP(DECL_ARGS)
564: {
1.4 schwarze 565:
1.11 schwarze 566: switch (n->type) {
1.124 schwarze 567: case ROFFT_HEAD:
1.11 schwarze 568: term_flushln(p);
569: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 570: p->trailspace = 0;
1.156 schwarze 571: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 572: break;
1.124 schwarze 573: case ROFFT_BODY:
1.57 schwarze 574: term_newln(p);
1.156 schwarze 575: p->tcol->offset = mt->offset;
1.11 schwarze 576: break;
577: default:
578: break;
579: }
1.1 kristaps 580: }
581:
582: static int
583: pre_TP(DECL_ARGS)
584: {
1.116 schwarze 585: struct roffsu su;
1.125 schwarze 586: struct roff_node *nn;
1.116 schwarze 587: int len, savelit;
1.11 schwarze 588:
589: switch (n->type) {
1.124 schwarze 590: case ROFFT_HEAD:
1.137 schwarze 591: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 592: p->trailspace = 1;
1.11 schwarze 593: break;
1.124 schwarze 594: case ROFFT_BODY:
1.11 schwarze 595: p->flags |= TERMP_NOSPACE;
596: break;
1.124 schwarze 597: case ROFFT_BLOCK:
1.166 schwarze 598: if (n->tok == MAN_TP)
599: print_bvspace(p, n, mt->pardist);
1.11 schwarze 600: /* FALLTHROUGH */
601: default:
1.138 schwarze 602: return 1;
1.11 schwarze 603: }
604:
605: /* Calculate offset. */
1.1 kristaps 606:
1.116 schwarze 607: if ((nn = n->parent->head->child) != NULL &&
1.141 schwarze 608: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.157 schwarze 609: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 610: len = term_hen(p, &su);
1.116 schwarze 611: if (len < 0 && (size_t)(-len) > mt->offset)
612: len = -mt->offset;
1.117 schwarze 613: else if (len > SHRT_MAX)
614: len = term_len(p, p->defindent);
615: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 616: } else
617: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 618:
1.11 schwarze 619: switch (n->type) {
1.124 schwarze 620: case ROFFT_HEAD:
1.156 schwarze 621: p->tcol->offset = mt->offset;
622: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 623:
1.57 schwarze 624: savelit = MANT_LITERAL & mt->fl;
625: mt->fl &= ~MANT_LITERAL;
626:
1.11 schwarze 627: /* Don't print same-line elements. */
1.95 schwarze 628: nn = n->child;
1.141 schwarze 629: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.95 schwarze 630: nn = nn->next;
631:
632: while (NULL != nn) {
633: print_man_node(p, mt, nn, meta);
634: nn = nn->next;
635: }
1.11 schwarze 636:
1.57 schwarze 637: if (savelit)
638: mt->fl |= MANT_LITERAL;
1.138 schwarze 639: return 0;
1.124 schwarze 640: case ROFFT_BODY:
1.156 schwarze 641: p->tcol->offset = mt->offset + len;
642: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 643: p->trailspace = 0;
1.137 schwarze 644: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 645: break;
646: default:
647: break;
648: }
1.1 kristaps 649:
1.138 schwarze 650: return 1;
1.11 schwarze 651: }
1.1 kristaps 652:
1.11 schwarze 653: static void
654: post_TP(DECL_ARGS)
655: {
1.1 kristaps 656:
1.11 schwarze 657: switch (n->type) {
1.124 schwarze 658: case ROFFT_HEAD:
1.11 schwarze 659: term_flushln(p);
660: break;
1.124 schwarze 661: case ROFFT_BODY:
1.57 schwarze 662: term_newln(p);
1.156 schwarze 663: p->tcol->offset = mt->offset;
1.11 schwarze 664: break;
665: default:
666: break;
667: }
1.1 kristaps 668: }
669:
670: static int
671: pre_SS(DECL_ARGS)
672: {
1.88 schwarze 673: int i;
1.1 kristaps 674:
1.11 schwarze 675: switch (n->type) {
1.124 schwarze 676: case ROFFT_BLOCK:
1.69 schwarze 677: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 678: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
679: mt->offset = term_len(p, p->defindent);
1.111 schwarze 680:
681: /*
682: * No vertical space before the first subsection
683: * and after an empty subsection.
684: */
685:
686: do {
687: n = n->prev;
1.162 schwarze 688: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 689: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 690: if (n == NULL || n->type == ROFFT_COMMENT ||
691: (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 692: break;
1.111 schwarze 693:
1.88 schwarze 694: for (i = 0; i < mt->pardist; i++)
695: term_vspace(p);
1.11 schwarze 696: break;
1.124 schwarze 697: case ROFFT_HEAD:
1.21 schwarze 698: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 699: p->tcol->offset = term_len(p, 3);
700: p->tcol->rmargin = mt->offset;
1.129 schwarze 701: p->trailspace = mt->offset;
702: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 703: break;
1.124 schwarze 704: case ROFFT_BODY:
1.156 schwarze 705: p->tcol->offset = mt->offset;
706: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 707: p->trailspace = 0;
708: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 709: break;
710: default:
711: break;
712: }
713:
1.138 schwarze 714: return 1;
1.1 kristaps 715: }
716:
717: static void
718: post_SS(DECL_ARGS)
719: {
1.100 schwarze 720:
1.11 schwarze 721: switch (n->type) {
1.124 schwarze 722: case ROFFT_HEAD:
1.11 schwarze 723: term_newln(p);
724: break;
1.124 schwarze 725: case ROFFT_BODY:
1.11 schwarze 726: term_newln(p);
727: break;
728: default:
729: break;
730: }
1.1 kristaps 731: }
732:
733: static int
734: pre_SH(DECL_ARGS)
735: {
1.88 schwarze 736: int i;
1.1 kristaps 737:
1.11 schwarze 738: switch (n->type) {
1.124 schwarze 739: case ROFFT_BLOCK:
1.69 schwarze 740: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 741: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
742: mt->offset = term_len(p, p->defindent);
1.111 schwarze 743:
744: /*
745: * No vertical space before the first section
746: * and after an empty section.
747: */
748:
749: do {
750: n = n->prev;
1.162 schwarze 751: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 752: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 753: if (n == NULL || n->type == ROFFT_COMMENT ||
754: (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 755: break;
1.111 schwarze 756:
1.88 schwarze 757: for (i = 0; i < mt->pardist; i++)
758: term_vspace(p);
1.11 schwarze 759: break;
1.124 schwarze 760: case ROFFT_HEAD:
1.21 schwarze 761: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 762: p->tcol->offset = 0;
763: p->tcol->rmargin = mt->offset;
1.129 schwarze 764: p->trailspace = mt->offset;
765: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 766: break;
1.124 schwarze 767: case ROFFT_BODY:
1.156 schwarze 768: p->tcol->offset = mt->offset;
769: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 770: p->trailspace = 0;
771: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 772: break;
773: default:
774: break;
775: }
776:
1.138 schwarze 777: return 1;
1.1 kristaps 778: }
779:
780: static void
781: post_SH(DECL_ARGS)
782: {
1.100 schwarze 783:
1.11 schwarze 784: switch (n->type) {
1.124 schwarze 785: case ROFFT_HEAD:
1.11 schwarze 786: term_newln(p);
787: break;
1.124 schwarze 788: case ROFFT_BODY:
1.11 schwarze 789: term_newln(p);
790: break;
791: default:
1.13 schwarze 792: break;
793: }
794: }
795:
796: static int
797: pre_RS(DECL_ARGS)
798: {
1.116 schwarze 799: struct roffsu su;
1.13 schwarze 800:
801: switch (n->type) {
1.124 schwarze 802: case ROFFT_BLOCK:
1.13 schwarze 803: term_newln(p);
1.138 schwarze 804: return 1;
1.124 schwarze 805: case ROFFT_HEAD:
1.138 schwarze 806: return 0;
1.13 schwarze 807: default:
808: break;
809: }
810:
1.118 schwarze 811: n = n->parent->head;
812: n->aux = SHRT_MAX + 1;
1.130 schwarze 813: if (n->child == NULL)
814: n->aux = mt->lmargin[mt->lmargincur];
1.157 schwarze 815: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.158 schwarze 816: n->aux = term_hen(p, &su);
1.118 schwarze 817: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
818: n->aux = -mt->offset;
819: else if (n->aux > SHRT_MAX)
820: n->aux = term_len(p, p->defindent);
1.13 schwarze 821:
1.118 schwarze 822: mt->offset += n->aux;
1.156 schwarze 823: p->tcol->offset = mt->offset;
824: p->tcol->rmargin = p->maxrmargin;
1.13 schwarze 825:
1.70 schwarze 826: if (++mt->lmarginsz < MAXMARGINS)
827: mt->lmargincur = mt->lmarginsz;
828:
1.131 schwarze 829: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 830: return 1;
1.13 schwarze 831: }
832:
833: static void
834: post_RS(DECL_ARGS)
835: {
836:
837: switch (n->type) {
1.124 schwarze 838: case ROFFT_BLOCK:
1.69 schwarze 839: return;
1.124 schwarze 840: case ROFFT_HEAD:
1.69 schwarze 841: return;
1.13 schwarze 842: default:
843: term_newln(p);
1.11 schwarze 844: break;
845: }
1.69 schwarze 846:
1.118 schwarze 847: mt->offset -= n->parent->head->aux;
1.156 schwarze 848: p->tcol->offset = mt->offset;
1.70 schwarze 849:
850: if (--mt->lmarginsz < MAXMARGINS)
851: mt->lmargincur = mt->lmarginsz;
1.168 schwarze 852: }
853:
854: static int
855: pre_SY(DECL_ARGS)
856: {
857: const struct roff_node *nn;
858: int len;
859:
860: switch (n->type) {
861: case ROFFT_BLOCK:
1.170 ! schwarze 862: if (n->prev == NULL || n->prev->tok != MAN_SY)
! 863: print_bvspace(p, n, mt->pardist);
1.168 schwarze 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: }
1.91 schwarze 909: }
910:
911: static int
912: pre_UR(DECL_ARGS)
913: {
914:
1.138 schwarze 915: return n->type != ROFFT_HEAD;
1.91 schwarze 916: }
917:
918: static void
919: post_UR(DECL_ARGS)
920: {
921:
1.124 schwarze 922: if (n->type != ROFFT_BLOCK)
1.91 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, ">");
1.47 schwarze 933: }
934:
1.1 kristaps 935: static void
1.19 schwarze 936: print_man_node(DECL_ARGS)
1.1 kristaps 937: {
1.167 schwarze 938: const struct man_term_act *act;
939: int c;
1.1 kristaps 940:
941: switch (n->type) {
1.124 schwarze 942: case ROFFT_TEXT:
1.61 schwarze 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: */
1.153 schwarze 948: if (*n->string == '\0') {
1.160 schwarze 949: if (p->flags & TERMP_NONEWLINE)
950: term_newln(p);
951: else
952: term_vspace(p);
1.61 schwarze 953: return;
1.153 schwarze 954: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
955: (p->flags & TERMP_NONEWLINE) == 0)
1.60 schwarze 956: term_newln(p);
1.165 schwarze 957: else if (n->flags & NODE_DELIMC)
958: p->flags |= TERMP_NOSPACE;
1.21 schwarze 959:
1.1 kristaps 960: term_word(p, n->string);
1.84 schwarze 961: goto out;
1.163 schwarze 962: case ROFFT_COMMENT:
963: return;
1.124 schwarze 964: case ROFFT_EQN:
1.141 schwarze 965: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 966: p->flags |= TERMP_NOSPACE;
1.71 schwarze 967: term_eqn(p, n->eqn);
1.141 schwarze 968: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 969: p->flags |= TERMP_NOSPACE;
1.61 schwarze 970: return;
1.124 schwarze 971: case ROFFT_TBL:
1.122 schwarze 972: if (p->tbl.cols == NULL)
973: term_vspace(p);
1.58 schwarze 974: term_tbl(p, n->span);
1.61 schwarze 975: return;
1.1 kristaps 976: default:
977: break;
978: }
979:
1.146 schwarze 980: if (n->tok < ROFF_MAX) {
1.147 schwarze 981: roff_term_pre(p, n);
1.146 schwarze 982: return;
983: }
984:
1.167 schwarze 985: act = man_term_act(n->tok);
986: if ((act->flags & MAN_NOTEXT) == 0)
1.61 schwarze 987: term_fontrepl(p, TERMFONT_NONE);
988:
989: c = 1;
1.167 schwarze 990: if (act->pre != NULL)
991: c = (*act->pre)(p, mt, n, meta);
1.61 schwarze 992:
1.1 kristaps 993: if (c && n->child)
1.89 schwarze 994: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 995:
1.167 schwarze 996: if (act->post != NULL)
997: (*act->post)(p, mt, n, meta);
998: if ((act->flags & MAN_NOTEXT) == 0)
1.61 schwarze 999: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 1000:
1.84 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: */
1.110 schwarze 1009: if (mt->fl & MANT_LITERAL &&
1010: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 schwarze 1011: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.155 schwarze 1012: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.110 schwarze 1013: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1014: term_flushln(p);
1015: else
1016: term_newln(p);
1.155 schwarze 1017: p->flags &= ~TERMP_BRNEVER;
1.156 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;
1.155 schwarze 1022: }
1.84 schwarze 1023: }
1.141 schwarze 1024: if (NODE_EOS & n->flags)
1.30 schwarze 1025: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1026: }
1027:
1028:
1029: static void
1.21 schwarze 1030: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1031: {
1.11 schwarze 1032:
1.121 schwarze 1033: while (n != NULL) {
1034: print_man_node(p, mt, n, meta);
1035: n = n->next;
1036: }
1.1 kristaps 1037: }
1038:
1039: static void
1.126 schwarze 1040: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1041: {
1.101 schwarze 1042: char *title;
1.109 schwarze 1043: size_t datelen, titlen;
1.41 schwarze 1044:
1.80 schwarze 1045: assert(meta->title);
1046: assert(meta->msec);
1047: assert(meta->date);
1.21 schwarze 1048:
1049: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1050:
1.103 schwarze 1051: if (meta->hasbody)
1052: term_vspace(p);
1.81 schwarze 1053:
1054: /*
1055: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1056: * In the bottom right corner, use the operating system
1057: * instead of the title.
1.81 schwarze 1058: */
1059:
1.79 schwarze 1060: if ( ! p->mdocstyle) {
1.103 schwarze 1061: if (meta->hasbody) {
1062: term_vspace(p);
1063: term_vspace(p);
1064: }
1.101 schwarze 1065: mandoc_asprintf(&title, "%s(%s)",
1066: meta->title, meta->msec);
1.126 schwarze 1067: } else if (meta->os) {
1068: title = mandoc_strdup(meta->os);
1.79 schwarze 1069: } else {
1.101 schwarze 1070: title = mandoc_strdup("");
1.79 schwarze 1071: }
1.78 schwarze 1072: datelen = term_strlen(p, meta->date);
1.1 kristaps 1073:
1.126 schwarze 1074: /* Bottom left corner: operating system. */
1.81 schwarze 1075:
1.1 kristaps 1076: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1077: p->trailspace = 1;
1.156 schwarze 1078: p->tcol->offset = 0;
1079: p->tcol->rmargin = p->maxrmargin > datelen ?
1.109 schwarze 1080: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1081:
1.126 schwarze 1082: if (meta->os)
1083: term_word(p, meta->os);
1.1 kristaps 1084: term_flushln(p);
1085:
1.81 schwarze 1086: /* At the bottom in the middle: manual date. */
1087:
1.156 schwarze 1088: p->tcol->offset = p->tcol->rmargin;
1.109 schwarze 1089: titlen = term_strlen(p, title);
1.156 schwarze 1090: p->tcol->rmargin = p->maxrmargin > titlen ?
1091: p->maxrmargin - titlen : 0;
1.72 schwarze 1092: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1093:
1094: term_word(p, meta->date);
1095: term_flushln(p);
1096:
1.81 schwarze 1097: /* Bottom right corner: manual title and section. */
1098:
1.78 schwarze 1099: p->flags &= ~TERMP_NOBREAK;
1100: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1101: p->trailspace = 0;
1.156 schwarze 1102: p->tcol->offset = p->tcol->rmargin;
1103: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1104:
1.78 schwarze 1105: term_word(p, title);
1.1 kristaps 1106: term_flushln(p);
1.164 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:
1.101 schwarze 1119: free(title);
1.1 kristaps 1120: }
1121:
1122: static void
1.126 schwarze 1123: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1124: {
1.102 schwarze 1125: const char *volume;
1.101 schwarze 1126: char *title;
1.102 schwarze 1127: size_t vollen, titlen;
1.41 schwarze 1128:
1.89 schwarze 1129: assert(meta->title);
1130: assert(meta->msec);
1.1 kristaps 1131:
1.102 schwarze 1132: volume = NULL == meta->vol ? "" : meta->vol;
1133: vollen = term_strlen(p, volume);
1.1 kristaps 1134:
1.81 schwarze 1135: /* Top left corner: manual title and section. */
1136:
1.101 schwarze 1137: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1138: titlen = term_strlen(p, title);
1.1 kristaps 1139:
1.73 schwarze 1140: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1141: p->trailspace = 1;
1.156 schwarze 1142: p->tcol->offset = 0;
1143: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.102 schwarze 1144: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1145: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1146:
1147: term_word(p, title);
1148: term_flushln(p);
1149:
1.81 schwarze 1150: /* At the top in the middle: manual volume. */
1151:
1.72 schwarze 1152: p->flags |= TERMP_NOSPACE;
1.156 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:
1.102 schwarze 1157: term_word(p, volume);
1.1 kristaps 1158: term_flushln(p);
1159:
1.81 schwarze 1160: /* Top right corner: title and section, again. */
1161:
1.1 kristaps 1162: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1163: p->trailspace = 0;
1.156 schwarze 1164: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1165: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1166: p->tcol->offset = p->tcol->rmargin;
1167: p->tcol->rmargin = p->maxrmargin;
1.25 schwarze 1168: term_word(p, title);
1169: term_flushln(p);
1170: }
1.1 kristaps 1171:
1.73 schwarze 1172: p->flags &= ~TERMP_NOSPACE;
1.156 schwarze 1173: p->tcol->offset = 0;
1174: p->tcol->rmargin = p->maxrmargin;
1.29 schwarze 1175:
1.100 schwarze 1176: /*
1.81 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.
1.29 schwarze 1180: */
1181:
1182: term_vspace(p);
1.79 schwarze 1183: if ( ! p->mdocstyle) {
1184: term_vspace(p);
1185: term_vspace(p);
1186: }
1.101 schwarze 1187: free(title);
1.1 kristaps 1188: }
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