Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.168
1.168 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.167 2018/08/17 20:31:52 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, "[");
347: p->flags |= TERMP_NOSPACE;
348:
349: if (NULL != (n = n->child)) {
350: term_fontrepl(p, TERMFONT_BOLD);
351: term_word(p, n->string);
352: }
353: if (NULL != n && NULL != n->next) {
354: term_fontrepl(p, TERMFONT_UNDER);
355: term_word(p, n->next->string);
356: }
357:
358: term_fontrepl(p, TERMFONT_NONE);
359: p->flags |= TERMP_NOSPACE;
360: term_word(p, "]");
1.138 schwarze 361: return 0;
1.1 kristaps 362: }
363:
364: static int
1.45 schwarze 365: pre_in(DECL_ARGS)
1.11 schwarze 366: {
1.116 schwarze 367: struct roffsu su;
368: const char *cp;
1.45 schwarze 369: size_t v;
1.116 schwarze 370: int less;
1.45 schwarze 371:
372: term_newln(p);
373:
1.156 schwarze 374: if (n->child == NULL) {
375: p->tcol->offset = mt->offset;
1.138 schwarze 376: return 0;
1.45 schwarze 377: }
1.11 schwarze 378:
1.45 schwarze 379: cp = n->child->string;
380: less = 0;
1.11 schwarze 381:
1.45 schwarze 382: if ('-' == *cp)
383: less = -1;
384: else if ('+' == *cp)
385: less = 1;
386: else
387: cp--;
388:
1.157 schwarze 389: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.138 schwarze 390: return 0;
1.45 schwarze 391:
1.158 schwarze 392: v = term_hen(p, &su);
1.45 schwarze 393:
394: if (less < 0)
1.156 schwarze 395: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.45 schwarze 396: else if (less > 0)
1.156 schwarze 397: p->tcol->offset += v;
1.100 schwarze 398: else
1.156 schwarze 399: p->tcol->offset = v;
400: if (p->tcol->offset > SHRT_MAX)
401: p->tcol->offset = term_len(p, p->defindent);
1.8 schwarze 402:
1.152 schwarze 403: return 0;
404: }
405:
406: static int
407: pre_DT(DECL_ARGS)
408: {
409: term_tab_set(p, NULL);
410: term_tab_set(p, "T");
411: term_tab_set(p, ".5i");
1.138 schwarze 412: return 0;
1.8 schwarze 413: }
414:
415: static int
1.11 schwarze 416: pre_HP(DECL_ARGS)
417: {
1.116 schwarze 418: struct roffsu su;
1.125 schwarze 419: const struct roff_node *nn;
1.116 schwarze 420: int len;
1.11 schwarze 421:
422: switch (n->type) {
1.124 schwarze 423: case ROFFT_BLOCK:
1.88 schwarze 424: print_bvspace(p, n, mt->pardist);
1.138 schwarze 425: return 1;
1.124 schwarze 426: case ROFFT_BODY:
1.11 schwarze 427: break;
428: default:
1.138 schwarze 429: return 0;
1.11 schwarze 430: }
431:
1.84 schwarze 432: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 433: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 434: p->trailspace = 2;
1.84 schwarze 435: }
436:
1.11 schwarze 437: /* Calculate offset. */
438:
1.116 schwarze 439: if ((nn = n->parent->head->child) != NULL &&
1.157 schwarze 440: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 441: len = term_hen(p, &su);
1.117 schwarze 442: if (len < 0 && (size_t)(-len) > mt->offset)
443: len = -mt->offset;
444: else if (len > SHRT_MAX)
445: len = term_len(p, p->defindent);
1.116 schwarze 446: mt->lmargin[mt->lmargincur] = len;
447: } else
448: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 449:
1.156 schwarze 450: p->tcol->offset = mt->offset;
451: p->tcol->rmargin = mt->offset + len;
1.138 schwarze 452: return 1;
1.11 schwarze 453: }
454:
455: static void
456: post_HP(DECL_ARGS)
457: {
458:
459: switch (n->type) {
1.124 schwarze 460: case ROFFT_BODY:
1.90 schwarze 461: term_newln(p);
1.127 schwarze 462:
463: /*
464: * Compatibility with a groff bug.
465: * The .HP macro uses the undocumented .tag request
466: * which causes a line break and cancels no-space
467: * mode even if there isn't any output.
468: */
469:
470: if (n->child == NULL)
471: term_vspace(p);
472:
1.99 schwarze 473: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 474: p->trailspace = 0;
1.156 schwarze 475: p->tcol->offset = mt->offset;
476: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 477: break;
478: default:
479: break;
480: }
481: }
482:
483: static int
1.1 kristaps 484: pre_PP(DECL_ARGS)
485: {
486:
1.11 schwarze 487: switch (n->type) {
1.124 schwarze 488: case ROFFT_BLOCK:
1.77 schwarze 489: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 490: print_bvspace(p, n, mt->pardist);
1.11 schwarze 491: break;
492: default:
1.156 schwarze 493: p->tcol->offset = mt->offset;
1.11 schwarze 494: break;
495: }
496:
1.138 schwarze 497: return n->type != ROFFT_HEAD;
1.1 kristaps 498: }
499:
500: static int
501: pre_IP(DECL_ARGS)
502: {
1.116 schwarze 503: struct roffsu su;
1.125 schwarze 504: const struct roff_node *nn;
1.116 schwarze 505: int len, savelit;
1.11 schwarze 506:
507: switch (n->type) {
1.124 schwarze 508: case ROFFT_BODY:
1.11 schwarze 509: p->flags |= TERMP_NOSPACE;
510: break;
1.124 schwarze 511: case ROFFT_HEAD:
1.11 schwarze 512: p->flags |= TERMP_NOBREAK;
1.93 schwarze 513: p->trailspace = 1;
1.11 schwarze 514: break;
1.124 schwarze 515: case ROFFT_BLOCK:
1.88 schwarze 516: print_bvspace(p, n, mt->pardist);
1.11 schwarze 517: /* FALLTHROUGH */
518: default:
1.138 schwarze 519: return 1;
1.11 schwarze 520: }
521:
1.57 schwarze 522: /* Calculate the offset from the optional second argument. */
1.116 schwarze 523: if ((nn = n->parent->head->child) != NULL &&
524: (nn = nn->next) != NULL &&
1.157 schwarze 525: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 526: len = term_hen(p, &su);
1.116 schwarze 527: if (len < 0 && (size_t)(-len) > mt->offset)
528: len = -mt->offset;
1.117 schwarze 529: else if (len > SHRT_MAX)
530: len = term_len(p, p->defindent);
531: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 532: } else
533: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 534:
535: switch (n->type) {
1.124 schwarze 536: case ROFFT_HEAD:
1.156 schwarze 537: p->tcol->offset = mt->offset;
538: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 539:
1.57 schwarze 540: savelit = MANT_LITERAL & mt->fl;
541: mt->fl &= ~MANT_LITERAL;
542:
543: if (n->child)
1.89 schwarze 544: print_man_node(p, mt, n->child, meta);
1.57 schwarze 545:
546: if (savelit)
547: mt->fl |= MANT_LITERAL;
548:
1.138 schwarze 549: return 0;
1.124 schwarze 550: case ROFFT_BODY:
1.156 schwarze 551: p->tcol->offset = mt->offset + len;
552: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 553: break;
554: default:
555: break;
556: }
1.1 kristaps 557:
1.138 schwarze 558: return 1;
1.11 schwarze 559: }
1.1 kristaps 560:
1.11 schwarze 561: static void
562: post_IP(DECL_ARGS)
563: {
1.4 schwarze 564:
1.11 schwarze 565: switch (n->type) {
1.124 schwarze 566: case ROFFT_HEAD:
1.11 schwarze 567: term_flushln(p);
568: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 569: p->trailspace = 0;
1.156 schwarze 570: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 571: break;
1.124 schwarze 572: case ROFFT_BODY:
1.57 schwarze 573: term_newln(p);
1.156 schwarze 574: p->tcol->offset = mt->offset;
1.11 schwarze 575: break;
576: default:
577: break;
578: }
1.1 kristaps 579: }
580:
581: static int
582: pre_TP(DECL_ARGS)
583: {
1.116 schwarze 584: struct roffsu su;
1.125 schwarze 585: struct roff_node *nn;
1.116 schwarze 586: int len, savelit;
1.11 schwarze 587:
588: switch (n->type) {
1.124 schwarze 589: case ROFFT_HEAD:
1.137 schwarze 590: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 591: p->trailspace = 1;
1.11 schwarze 592: break;
1.124 schwarze 593: case ROFFT_BODY:
1.11 schwarze 594: p->flags |= TERMP_NOSPACE;
595: break;
1.124 schwarze 596: case ROFFT_BLOCK:
1.166 schwarze 597: if (n->tok == MAN_TP)
598: print_bvspace(p, n, mt->pardist);
1.11 schwarze 599: /* FALLTHROUGH */
600: default:
1.138 schwarze 601: return 1;
1.11 schwarze 602: }
603:
604: /* Calculate offset. */
1.1 kristaps 605:
1.116 schwarze 606: if ((nn = n->parent->head->child) != NULL &&
1.141 schwarze 607: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.157 schwarze 608: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 609: len = term_hen(p, &su);
1.116 schwarze 610: if (len < 0 && (size_t)(-len) > mt->offset)
611: len = -mt->offset;
1.117 schwarze 612: else if (len > SHRT_MAX)
613: len = term_len(p, p->defindent);
614: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 615: } else
616: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 617:
1.11 schwarze 618: switch (n->type) {
1.124 schwarze 619: case ROFFT_HEAD:
1.156 schwarze 620: p->tcol->offset = mt->offset;
621: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 622:
1.57 schwarze 623: savelit = MANT_LITERAL & mt->fl;
624: mt->fl &= ~MANT_LITERAL;
625:
1.11 schwarze 626: /* Don't print same-line elements. */
1.95 schwarze 627: nn = n->child;
1.141 schwarze 628: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.95 schwarze 629: nn = nn->next;
630:
631: while (NULL != nn) {
632: print_man_node(p, mt, nn, meta);
633: nn = nn->next;
634: }
1.11 schwarze 635:
1.57 schwarze 636: if (savelit)
637: mt->fl |= MANT_LITERAL;
1.138 schwarze 638: return 0;
1.124 schwarze 639: case ROFFT_BODY:
1.156 schwarze 640: p->tcol->offset = mt->offset + len;
641: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 642: p->trailspace = 0;
1.137 schwarze 643: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 644: break;
645: default:
646: break;
647: }
1.1 kristaps 648:
1.138 schwarze 649: return 1;
1.11 schwarze 650: }
1.1 kristaps 651:
1.11 schwarze 652: static void
653: post_TP(DECL_ARGS)
654: {
1.1 kristaps 655:
1.11 schwarze 656: switch (n->type) {
1.124 schwarze 657: case ROFFT_HEAD:
1.11 schwarze 658: term_flushln(p);
659: break;
1.124 schwarze 660: case ROFFT_BODY:
1.57 schwarze 661: term_newln(p);
1.156 schwarze 662: p->tcol->offset = mt->offset;
1.11 schwarze 663: break;
664: default:
665: break;
666: }
1.1 kristaps 667: }
668:
669: static int
670: pre_SS(DECL_ARGS)
671: {
1.88 schwarze 672: int i;
1.1 kristaps 673:
1.11 schwarze 674: switch (n->type) {
1.124 schwarze 675: case ROFFT_BLOCK:
1.69 schwarze 676: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 677: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
678: mt->offset = term_len(p, p->defindent);
1.111 schwarze 679:
680: /*
681: * No vertical space before the first subsection
682: * and after an empty subsection.
683: */
684:
685: do {
686: n = n->prev;
1.162 schwarze 687: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 688: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 689: if (n == NULL || n->type == ROFFT_COMMENT ||
690: (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 691: break;
1.111 schwarze 692:
1.88 schwarze 693: for (i = 0; i < mt->pardist; i++)
694: term_vspace(p);
1.11 schwarze 695: break;
1.124 schwarze 696: case ROFFT_HEAD:
1.21 schwarze 697: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 698: p->tcol->offset = term_len(p, 3);
699: p->tcol->rmargin = mt->offset;
1.129 schwarze 700: p->trailspace = mt->offset;
701: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 702: break;
1.124 schwarze 703: case ROFFT_BODY:
1.156 schwarze 704: p->tcol->offset = mt->offset;
705: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 706: p->trailspace = 0;
707: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 708: break;
709: default:
710: break;
711: }
712:
1.138 schwarze 713: return 1;
1.1 kristaps 714: }
715:
716: static void
717: post_SS(DECL_ARGS)
718: {
1.100 schwarze 719:
1.11 schwarze 720: switch (n->type) {
1.124 schwarze 721: case ROFFT_HEAD:
1.11 schwarze 722: term_newln(p);
723: break;
1.124 schwarze 724: case ROFFT_BODY:
1.11 schwarze 725: term_newln(p);
726: break;
727: default:
728: break;
729: }
1.1 kristaps 730: }
731:
732: static int
733: pre_SH(DECL_ARGS)
734: {
1.88 schwarze 735: int i;
1.1 kristaps 736:
1.11 schwarze 737: switch (n->type) {
1.124 schwarze 738: case ROFFT_BLOCK:
1.69 schwarze 739: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 740: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
741: mt->offset = term_len(p, p->defindent);
1.111 schwarze 742:
743: /*
744: * No vertical space before the first section
745: * and after an empty section.
746: */
747:
748: do {
749: n = n->prev;
1.162 schwarze 750: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 751: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 752: if (n == NULL || n->type == ROFFT_COMMENT ||
753: (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 754: break;
1.111 schwarze 755:
1.88 schwarze 756: for (i = 0; i < mt->pardist; i++)
757: term_vspace(p);
1.11 schwarze 758: break;
1.124 schwarze 759: case ROFFT_HEAD:
1.21 schwarze 760: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 761: p->tcol->offset = 0;
762: p->tcol->rmargin = mt->offset;
1.129 schwarze 763: p->trailspace = mt->offset;
764: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 765: break;
1.124 schwarze 766: case ROFFT_BODY:
1.156 schwarze 767: p->tcol->offset = mt->offset;
768: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 769: p->trailspace = 0;
770: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 771: break;
772: default:
773: break;
774: }
775:
1.138 schwarze 776: return 1;
1.1 kristaps 777: }
778:
779: static void
780: post_SH(DECL_ARGS)
781: {
1.100 schwarze 782:
1.11 schwarze 783: switch (n->type) {
1.124 schwarze 784: case ROFFT_HEAD:
1.11 schwarze 785: term_newln(p);
786: break;
1.124 schwarze 787: case ROFFT_BODY:
1.11 schwarze 788: term_newln(p);
789: break;
790: default:
1.13 schwarze 791: break;
792: }
793: }
794:
795: static int
796: pre_RS(DECL_ARGS)
797: {
1.116 schwarze 798: struct roffsu su;
1.13 schwarze 799:
800: switch (n->type) {
1.124 schwarze 801: case ROFFT_BLOCK:
1.13 schwarze 802: term_newln(p);
1.138 schwarze 803: return 1;
1.124 schwarze 804: case ROFFT_HEAD:
1.138 schwarze 805: return 0;
1.13 schwarze 806: default:
807: break;
808: }
809:
1.118 schwarze 810: n = n->parent->head;
811: n->aux = SHRT_MAX + 1;
1.130 schwarze 812: if (n->child == NULL)
813: n->aux = mt->lmargin[mt->lmargincur];
1.157 schwarze 814: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.158 schwarze 815: n->aux = term_hen(p, &su);
1.118 schwarze 816: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
817: n->aux = -mt->offset;
818: else if (n->aux > SHRT_MAX)
819: n->aux = term_len(p, p->defindent);
1.13 schwarze 820:
1.118 schwarze 821: mt->offset += n->aux;
1.156 schwarze 822: p->tcol->offset = mt->offset;
823: p->tcol->rmargin = p->maxrmargin;
1.13 schwarze 824:
1.70 schwarze 825: if (++mt->lmarginsz < MAXMARGINS)
826: mt->lmargincur = mt->lmarginsz;
827:
1.131 schwarze 828: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 829: return 1;
1.13 schwarze 830: }
831:
832: static void
833: post_RS(DECL_ARGS)
834: {
835:
836: switch (n->type) {
1.124 schwarze 837: case ROFFT_BLOCK:
1.69 schwarze 838: return;
1.124 schwarze 839: case ROFFT_HEAD:
1.69 schwarze 840: return;
1.13 schwarze 841: default:
842: term_newln(p);
1.11 schwarze 843: break;
844: }
1.69 schwarze 845:
1.118 schwarze 846: mt->offset -= n->parent->head->aux;
1.156 schwarze 847: p->tcol->offset = mt->offset;
1.70 schwarze 848:
849: if (--mt->lmarginsz < MAXMARGINS)
850: mt->lmargincur = mt->lmarginsz;
1.168 ! schwarze 851: }
! 852:
! 853: static int
! 854: pre_SY(DECL_ARGS)
! 855: {
! 856: const struct roff_node *nn;
! 857: int len;
! 858:
! 859: switch (n->type) {
! 860: case ROFFT_BLOCK:
! 861: print_bvspace(p, n, mt->pardist);
! 862: return 1;
! 863: case ROFFT_HEAD:
! 864: case ROFFT_BODY:
! 865: break;
! 866: default:
! 867: abort();
! 868: }
! 869:
! 870: nn = n->parent->head->child;
! 871: len = nn == NULL ? 0 : term_strlen(p, nn->string) + 1;
! 872:
! 873: switch (n->type) {
! 874: case ROFFT_HEAD:
! 875: p->tcol->offset = mt->offset;
! 876: p->tcol->rmargin = mt->offset + len;
! 877: p->flags |= TERMP_NOBREAK;
! 878: term_fontrepl(p, TERMFONT_BOLD);
! 879: break;
! 880: case ROFFT_BODY:
! 881: mt->lmargin[mt->lmargincur] = len;
! 882: p->tcol->offset = mt->offset + len;
! 883: p->tcol->rmargin = p->maxrmargin;
! 884: p->flags |= TERMP_NOSPACE;
! 885: break;
! 886: default:
! 887: abort();
! 888: }
! 889: return 1;
! 890: }
! 891:
! 892: static void
! 893: post_SY(DECL_ARGS)
! 894: {
! 895: switch (n->type) {
! 896: case ROFFT_HEAD:
! 897: term_flushln(p);
! 898: p->flags &= ~TERMP_NOBREAK;
! 899: break;
! 900: case ROFFT_BODY:
! 901: term_newln(p);
! 902: p->tcol->offset = mt->offset;
! 903: break;
! 904: default:
! 905: break;
! 906: }
1.91 schwarze 907: }
908:
909: static int
910: pre_UR(DECL_ARGS)
911: {
912:
1.138 schwarze 913: return n->type != ROFFT_HEAD;
1.91 schwarze 914: }
915:
916: static void
917: post_UR(DECL_ARGS)
918: {
919:
1.124 schwarze 920: if (n->type != ROFFT_BLOCK)
1.91 schwarze 921: return;
922:
923: term_word(p, "<");
924: p->flags |= TERMP_NOSPACE;
925:
926: if (NULL != n->child->child)
927: print_man_node(p, mt, n->child->child, meta);
928:
929: p->flags |= TERMP_NOSPACE;
930: term_word(p, ">");
1.47 schwarze 931: }
932:
1.1 kristaps 933: static void
1.19 schwarze 934: print_man_node(DECL_ARGS)
1.1 kristaps 935: {
1.167 schwarze 936: const struct man_term_act *act;
937: int c;
1.1 kristaps 938:
939: switch (n->type) {
1.124 schwarze 940: case ROFFT_TEXT:
1.61 schwarze 941: /*
942: * If we have a blank line, output a vertical space.
943: * If we have a space as the first character, break
944: * before printing the line's data.
945: */
1.153 schwarze 946: if (*n->string == '\0') {
1.160 schwarze 947: if (p->flags & TERMP_NONEWLINE)
948: term_newln(p);
949: else
950: term_vspace(p);
1.61 schwarze 951: return;
1.153 schwarze 952: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
953: (p->flags & TERMP_NONEWLINE) == 0)
1.60 schwarze 954: term_newln(p);
1.165 schwarze 955: else if (n->flags & NODE_DELIMC)
956: p->flags |= TERMP_NOSPACE;
1.21 schwarze 957:
1.1 kristaps 958: term_word(p, n->string);
1.84 schwarze 959: goto out;
1.163 schwarze 960: case ROFFT_COMMENT:
961: return;
1.124 schwarze 962: case ROFFT_EQN:
1.141 schwarze 963: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 964: p->flags |= TERMP_NOSPACE;
1.71 schwarze 965: term_eqn(p, n->eqn);
1.141 schwarze 966: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 967: p->flags |= TERMP_NOSPACE;
1.61 schwarze 968: return;
1.124 schwarze 969: case ROFFT_TBL:
1.122 schwarze 970: if (p->tbl.cols == NULL)
971: term_vspace(p);
1.58 schwarze 972: term_tbl(p, n->span);
1.61 schwarze 973: return;
1.1 kristaps 974: default:
975: break;
976: }
977:
1.146 schwarze 978: if (n->tok < ROFF_MAX) {
1.147 schwarze 979: roff_term_pre(p, n);
1.146 schwarze 980: return;
981: }
982:
1.167 schwarze 983: act = man_term_act(n->tok);
984: if ((act->flags & MAN_NOTEXT) == 0)
1.61 schwarze 985: term_fontrepl(p, TERMFONT_NONE);
986:
987: c = 1;
1.167 schwarze 988: if (act->pre != NULL)
989: c = (*act->pre)(p, mt, n, meta);
1.61 schwarze 990:
1.1 kristaps 991: if (c && n->child)
1.89 schwarze 992: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 993:
1.167 schwarze 994: if (act->post != NULL)
995: (*act->post)(p, mt, n, meta);
996: if ((act->flags & MAN_NOTEXT) == 0)
1.61 schwarze 997: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 998:
1.84 schwarze 999: out:
1000: /*
1001: * If we're in a literal context, make sure that words
1002: * together on the same line stay together. This is a
1003: * POST-printing call, so we check the NEXT word. Since
1004: * -man doesn't have nested macros, we don't need to be
1005: * more specific than this.
1006: */
1.110 schwarze 1007: if (mt->fl & MANT_LITERAL &&
1008: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 schwarze 1009: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.155 schwarze 1010: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.110 schwarze 1011: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1012: term_flushln(p);
1013: else
1014: term_newln(p);
1.155 schwarze 1015: p->flags &= ~TERMP_BRNEVER;
1.156 schwarze 1016: if (p->tcol->rmargin < p->maxrmargin &&
1017: n->parent->tok == MAN_HP) {
1018: p->tcol->offset = p->tcol->rmargin;
1019: p->tcol->rmargin = p->maxrmargin;
1.155 schwarze 1020: }
1.84 schwarze 1021: }
1.141 schwarze 1022: if (NODE_EOS & n->flags)
1.30 schwarze 1023: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1024: }
1025:
1026:
1027: static void
1.21 schwarze 1028: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1029: {
1.11 schwarze 1030:
1.121 schwarze 1031: while (n != NULL) {
1032: print_man_node(p, mt, n, meta);
1033: n = n->next;
1034: }
1.1 kristaps 1035: }
1036:
1037: static void
1.126 schwarze 1038: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1039: {
1.101 schwarze 1040: char *title;
1.109 schwarze 1041: size_t datelen, titlen;
1.41 schwarze 1042:
1.80 schwarze 1043: assert(meta->title);
1044: assert(meta->msec);
1045: assert(meta->date);
1.21 schwarze 1046:
1047: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1048:
1.103 schwarze 1049: if (meta->hasbody)
1050: term_vspace(p);
1.81 schwarze 1051:
1052: /*
1053: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1054: * In the bottom right corner, use the operating system
1055: * instead of the title.
1.81 schwarze 1056: */
1057:
1.79 schwarze 1058: if ( ! p->mdocstyle) {
1.103 schwarze 1059: if (meta->hasbody) {
1060: term_vspace(p);
1061: term_vspace(p);
1062: }
1.101 schwarze 1063: mandoc_asprintf(&title, "%s(%s)",
1064: meta->title, meta->msec);
1.126 schwarze 1065: } else if (meta->os) {
1066: title = mandoc_strdup(meta->os);
1.79 schwarze 1067: } else {
1.101 schwarze 1068: title = mandoc_strdup("");
1.79 schwarze 1069: }
1.78 schwarze 1070: datelen = term_strlen(p, meta->date);
1.1 kristaps 1071:
1.126 schwarze 1072: /* Bottom left corner: operating system. */
1.81 schwarze 1073:
1.1 kristaps 1074: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1075: p->trailspace = 1;
1.156 schwarze 1076: p->tcol->offset = 0;
1077: p->tcol->rmargin = p->maxrmargin > datelen ?
1.109 schwarze 1078: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1079:
1.126 schwarze 1080: if (meta->os)
1081: term_word(p, meta->os);
1.1 kristaps 1082: term_flushln(p);
1083:
1.81 schwarze 1084: /* At the bottom in the middle: manual date. */
1085:
1.156 schwarze 1086: p->tcol->offset = p->tcol->rmargin;
1.109 schwarze 1087: titlen = term_strlen(p, title);
1.156 schwarze 1088: p->tcol->rmargin = p->maxrmargin > titlen ?
1089: p->maxrmargin - titlen : 0;
1.72 schwarze 1090: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1091:
1092: term_word(p, meta->date);
1093: term_flushln(p);
1094:
1.81 schwarze 1095: /* Bottom right corner: manual title and section. */
1096:
1.78 schwarze 1097: p->flags &= ~TERMP_NOBREAK;
1098: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1099: p->trailspace = 0;
1.156 schwarze 1100: p->tcol->offset = p->tcol->rmargin;
1101: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1102:
1.78 schwarze 1103: term_word(p, title);
1.1 kristaps 1104: term_flushln(p);
1.164 schwarze 1105:
1106: /*
1107: * Reset the terminal state for more output after the footer:
1108: * Some output modes, in particular PostScript and PDF, print
1109: * the header and the footer into a buffer such that it can be
1110: * reused for multiple output pages, then go on to format the
1111: * main text.
1112: */
1113:
1114: p->tcol->offset = 0;
1115: p->flags = 0;
1116:
1.101 schwarze 1117: free(title);
1.1 kristaps 1118: }
1119:
1120: static void
1.126 schwarze 1121: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1122: {
1.102 schwarze 1123: const char *volume;
1.101 schwarze 1124: char *title;
1.102 schwarze 1125: size_t vollen, titlen;
1.41 schwarze 1126:
1.89 schwarze 1127: assert(meta->title);
1128: assert(meta->msec);
1.1 kristaps 1129:
1.102 schwarze 1130: volume = NULL == meta->vol ? "" : meta->vol;
1131: vollen = term_strlen(p, volume);
1.1 kristaps 1132:
1.81 schwarze 1133: /* Top left corner: manual title and section. */
1134:
1.101 schwarze 1135: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1136: titlen = term_strlen(p, title);
1.1 kristaps 1137:
1.73 schwarze 1138: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1139: p->trailspace = 1;
1.156 schwarze 1140: p->tcol->offset = 0;
1141: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.102 schwarze 1142: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1143: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1144:
1145: term_word(p, title);
1146: term_flushln(p);
1147:
1.81 schwarze 1148: /* At the top in the middle: manual volume. */
1149:
1.72 schwarze 1150: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1151: p->tcol->offset = p->tcol->rmargin;
1152: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1153: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1154:
1.102 schwarze 1155: term_word(p, volume);
1.1 kristaps 1156: term_flushln(p);
1157:
1.81 schwarze 1158: /* Top right corner: title and section, again. */
1159:
1.1 kristaps 1160: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1161: p->trailspace = 0;
1.156 schwarze 1162: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1163: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1164: p->tcol->offset = p->tcol->rmargin;
1165: p->tcol->rmargin = p->maxrmargin;
1.25 schwarze 1166: term_word(p, title);
1167: term_flushln(p);
1168: }
1.1 kristaps 1169:
1.73 schwarze 1170: p->flags &= ~TERMP_NOSPACE;
1.156 schwarze 1171: p->tcol->offset = 0;
1172: p->tcol->rmargin = p->maxrmargin;
1.29 schwarze 1173:
1.100 schwarze 1174: /*
1.81 schwarze 1175: * Groff prints three blank lines before the content.
1176: * Do the same, except in the temporary, undocumented
1177: * mode imitating mdoc(7) output.
1.29 schwarze 1178: */
1179:
1180: term_vspace(p);
1.79 schwarze 1181: if ( ! p->mdocstyle) {
1182: term_vspace(p);
1183: term_vspace(p);
1184: }
1.101 schwarze 1185: free(title);
1.1 kristaps 1186: }