Annotation of src/usr.bin/mandoc/man_term.c, Revision 1.174
1.174 ! schwarze 1: /* $OpenBSD: man_term.c,v 1.173 2018/08/26 16:18:38 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);
1.174 ! schwarze 82: static int pre_abort(DECL_ARGS);
1.82 schwarze 83: static int pre_alternate(DECL_ARGS);
1.14 schwarze 84: static int pre_ign(DECL_ARGS);
1.45 schwarze 85: static int pre_in(DECL_ARGS);
86: static int pre_literal(DECL_ARGS);
1.1 kristaps 87:
1.11 schwarze 88: static void post_IP(DECL_ARGS);
89: static void post_HP(DECL_ARGS);
1.13 schwarze 90: static void post_RS(DECL_ARGS);
1.1 kristaps 91: static void post_SH(DECL_ARGS);
92: static void post_SS(DECL_ARGS);
1.168 schwarze 93: static void post_SY(DECL_ARGS);
1.11 schwarze 94: static void post_TP(DECL_ARGS);
1.91 schwarze 95: static void post_UR(DECL_ARGS);
1.1 kristaps 96:
1.167 schwarze 97: static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
1.26 schwarze 98: { NULL, NULL, 0 }, /* TH */
99: { pre_SH, post_SH, 0 }, /* SH */
100: { pre_SS, post_SS, 0 }, /* SS */
101: { pre_TP, post_TP, 0 }, /* TP */
1.166 schwarze 102: { pre_TP, post_TP, 0 }, /* TQ */
1.174 ! schwarze 103: { pre_abort, NULL, 0 }, /* LP */
1.26 schwarze 104: { pre_PP, NULL, 0 }, /* PP */
1.174 ! schwarze 105: { pre_abort, NULL, 0 }, /* P */
1.26 schwarze 106: { pre_IP, post_IP, 0 }, /* IP */
1.100 schwarze 107: { pre_HP, post_HP, 0 }, /* HP */
1.26 schwarze 108: { NULL, NULL, 0 }, /* SM */
109: { pre_B, NULL, 0 }, /* SB */
1.51 schwarze 110: { pre_alternate, NULL, 0 }, /* BI */
111: { pre_alternate, NULL, 0 }, /* IB */
112: { pre_alternate, NULL, 0 }, /* BR */
113: { pre_alternate, NULL, 0 }, /* RB */
1.26 schwarze 114: { NULL, NULL, 0 }, /* R */
115: { pre_B, NULL, 0 }, /* B */
116: { pre_I, NULL, 0 }, /* I */
1.51 schwarze 117: { pre_alternate, NULL, 0 }, /* IR */
118: { pre_alternate, NULL, 0 }, /* RI */
1.171 schwarze 119: { pre_literal, NULL, MAN_NOTEXT }, /* nf */
120: { pre_literal, NULL, MAN_NOTEXT }, /* fi */
1.26 schwarze 121: { NULL, NULL, 0 }, /* RE */
122: { pre_RS, post_RS, 0 }, /* RS */
1.152 schwarze 123: { pre_DT, NULL, 0 }, /* DT */
1.111 schwarze 124: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.88 schwarze 125: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.36 schwarze 126: { pre_ign, NULL, 0 }, /* AT */
1.45 schwarze 127: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.168 schwarze 128: { pre_SY, post_SY, 0 }, /* SY */
129: { NULL, NULL, 0 }, /* YS */
1.82 schwarze 130: { pre_OP, NULL, 0 }, /* OP */
1.83 schwarze 131: { pre_literal, NULL, 0 }, /* EX */
132: { pre_literal, NULL, 0 }, /* EE */
1.91 schwarze 133: { pre_UR, post_UR, 0 }, /* UR */
134: { NULL, NULL, 0 }, /* UE */
1.161 bentley 135: { pre_UR, post_UR, 0 }, /* MT */
136: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 137: };
1.167 schwarze 138: static const struct man_term_act *man_term_act(enum roff_tok);
1.11 schwarze 139:
1.1 kristaps 140:
1.167 schwarze 141: static const struct man_term_act *
142: man_term_act(enum roff_tok tok)
143: {
144: assert(tok >= MAN_TH && tok <= MAN_MAX);
145: return man_term_acts + (tok - MAN_TH);
146: }
147:
1.16 schwarze 148: void
1.133 schwarze 149: terminal_man(void *arg, const struct roff_man *man)
1.1 kristaps 150: {
1.18 schwarze 151: struct termp *p;
1.125 schwarze 152: struct roff_node *n;
1.18 schwarze 153: struct mtermp mt;
1.142 schwarze 154: size_t save_defindent;
1.18 schwarze 155:
156: p = (struct termp *)arg;
1.159 schwarze 157: save_defindent = p->defindent;
158: if (p->synopsisonly == 0 && p->defindent == 0)
159: p->defindent = 7;
1.156 schwarze 160: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.151 schwarze 161: term_tab_set(p, NULL);
162: term_tab_set(p, "T");
163: term_tab_set(p, ".5i");
1.18 schwarze 164:
1.70 schwarze 165: memset(&mt, 0, sizeof(struct mtermp));
1.77 schwarze 166: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
167: mt.offset = term_len(p, p->defindent);
1.88 schwarze 168: mt.pardist = 1;
1.11 schwarze 169:
1.134 schwarze 170: n = man->first->child;
1.104 schwarze 171: if (p->synopsisonly) {
172: while (n != NULL) {
173: if (n->tok == MAN_SH &&
1.124 schwarze 174: n->child->child->type == ROFFT_TEXT &&
1.104 schwarze 175: !strcmp(n->child->child->string, "SYNOPSIS")) {
176: if (n->child->next->child != NULL)
177: print_man_nodelist(p, &mt,
1.134 schwarze 178: n->child->next->child,
179: &man->meta);
1.104 schwarze 180: term_newln(p);
181: break;
182: }
183: n = n->next;
184: }
185: } else {
1.134 schwarze 186: term_begin(p, print_man_head, print_man_foot, &man->meta);
1.104 schwarze 187: p->flags |= TERMP_NOSPACE;
188: if (n != NULL)
1.134 schwarze 189: print_man_nodelist(p, &mt, n, &man->meta);
1.104 schwarze 190: term_end(p);
191: }
1.159 schwarze 192: p->defindent = save_defindent;
1.1 kristaps 193: }
194:
1.69 schwarze 195: /*
196: * Printing leading vertical space before a block.
197: * This is used for the paragraph macros.
198: * The rules are pretty simple, since there's very little nesting going
199: * on here. Basically, if we're the first within another block (SS/SH),
200: * then don't emit vertical space. If we are (RS), then do. If not the
201: * first, print it.
202: */
1.18 schwarze 203: static void
1.125 schwarze 204: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 schwarze 205: {
1.88 schwarze 206: int i;
1.69 schwarze 207:
1.18 schwarze 208: term_newln(p);
1.64 schwarze 209:
1.69 schwarze 210: if (n->body && n->body->child)
1.124 schwarze 211: if (n->body->child->type == ROFFT_TBL)
1.69 schwarze 212: return;
1.11 schwarze 213:
1.124 schwarze 214: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.69 schwarze 215: if (NULL == n->prev)
216: return;
1.11 schwarze 217:
1.88 schwarze 218: for (i = 0; i < pardist; i++)
219: term_vspace(p);
1.14 schwarze 220: }
221:
1.174 ! schwarze 222:
! 223: static int
! 224: pre_abort(DECL_ARGS)
! 225: {
! 226: abort();
! 227: }
1.100 schwarze 228:
1.14 schwarze 229: static int
230: pre_ign(DECL_ARGS)
231: {
232:
1.138 schwarze 233: return 0;
1.11 schwarze 234: }
235:
1.1 kristaps 236: static int
237: pre_I(DECL_ARGS)
238: {
239:
1.21 schwarze 240: term_fontrepl(p, TERMFONT_UNDER);
1.138 schwarze 241: return 1;
1.1 kristaps 242: }
243:
1.11 schwarze 244: static int
1.45 schwarze 245: pre_literal(DECL_ARGS)
1.11 schwarze 246: {
247:
1.45 schwarze 248: term_newln(p);
1.53 schwarze 249:
1.156 schwarze 250: if (n->tok == MAN_nf || n->tok == MAN_EX)
1.45 schwarze 251: mt->fl |= MANT_LITERAL;
1.53 schwarze 252: else
1.45 schwarze 253: mt->fl &= ~MANT_LITERAL;
254:
1.72 schwarze 255: /*
256: * Unlike .IP and .TP, .HP does not have a HEAD.
257: * So in case a second call to term_flushln() is needed,
258: * indentation has to be set up explicitly.
259: */
1.156 schwarze 260: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
261: p->tcol->offset = p->tcol->rmargin;
262: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 263: p->trailspace = 0;
1.99 schwarze 264: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.72 schwarze 265: p->flags |= TERMP_NOSPACE;
266: }
267:
1.138 schwarze 268: return 0;
1.11 schwarze 269: }
270:
271: static int
1.88 schwarze 272: pre_PD(DECL_ARGS)
273: {
1.113 schwarze 274: struct roffsu su;
1.88 schwarze 275:
276: n = n->child;
1.113 schwarze 277: if (n == NULL) {
1.88 schwarze 278: mt->pardist = 1;
1.138 schwarze 279: return 0;
1.88 schwarze 280: }
1.124 schwarze 281: assert(n->type == ROFFT_TEXT);
1.157 schwarze 282: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.113 schwarze 283: mt->pardist = term_vspan(p, &su);
1.138 schwarze 284: return 0;
1.88 schwarze 285: }
286:
287: static int
1.51 schwarze 288: pre_alternate(DECL_ARGS)
1.1 kristaps 289: {
1.51 schwarze 290: enum termfont font[2];
1.125 schwarze 291: struct roff_node *nn;
1.51 schwarze 292: int savelit, i;
1.1 kristaps 293:
1.51 schwarze 294: switch (n->tok) {
1.100 schwarze 295: case MAN_RB:
1.51 schwarze 296: font[0] = TERMFONT_NONE;
297: font[1] = TERMFONT_BOLD;
298: break;
1.100 schwarze 299: case MAN_RI:
1.51 schwarze 300: font[0] = TERMFONT_NONE;
301: font[1] = TERMFONT_UNDER;
302: break;
1.100 schwarze 303: case MAN_BR:
1.51 schwarze 304: font[0] = TERMFONT_BOLD;
305: font[1] = TERMFONT_NONE;
306: break;
1.100 schwarze 307: case MAN_BI:
1.51 schwarze 308: font[0] = TERMFONT_BOLD;
309: font[1] = TERMFONT_UNDER;
310: break;
1.100 schwarze 311: case MAN_IR:
1.51 schwarze 312: font[0] = TERMFONT_UNDER;
313: font[1] = TERMFONT_NONE;
314: break;
1.100 schwarze 315: case MAN_IB:
1.51 schwarze 316: font[0] = TERMFONT_UNDER;
317: font[1] = TERMFONT_BOLD;
318: break;
319: default:
320: abort();
321: }
1.17 schwarze 322:
1.51 schwarze 323: savelit = MANT_LITERAL & mt->fl;
324: mt->fl &= ~MANT_LITERAL;
1.17 schwarze 325:
1.51 schwarze 326: for (i = 0, nn = n->child; nn; nn = nn->next, i = 1 - i) {
327: term_fontrepl(p, font[i]);
328: if (savelit && NULL == nn->next)
329: mt->fl |= MANT_LITERAL;
1.132 schwarze 330: assert(nn->type == ROFFT_TEXT);
331: term_word(p, nn->string);
1.141 schwarze 332: if (nn->flags & NODE_EOS)
1.132 schwarze 333: p->flags |= TERMP_SENTENCE;
1.51 schwarze 334: if (nn->next)
1.1 kristaps 335: p->flags |= TERMP_NOSPACE;
336: }
1.17 schwarze 337:
1.138 schwarze 338: return 0;
1.1 kristaps 339: }
340:
341: static int
342: pre_B(DECL_ARGS)
343: {
344:
1.21 schwarze 345: term_fontrepl(p, TERMFONT_BOLD);
1.138 schwarze 346: return 1;
1.82 schwarze 347: }
348:
349: static int
350: pre_OP(DECL_ARGS)
351: {
352:
353: term_word(p, "[");
1.169 schwarze 354: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.82 schwarze 355:
356: if (NULL != (n = n->child)) {
357: term_fontrepl(p, TERMFONT_BOLD);
358: term_word(p, n->string);
359: }
360: if (NULL != n && NULL != n->next) {
361: term_fontrepl(p, TERMFONT_UNDER);
362: term_word(p, n->next->string);
363: }
364:
365: term_fontrepl(p, TERMFONT_NONE);
1.169 schwarze 366: p->flags &= ~TERMP_KEEP;
1.82 schwarze 367: p->flags |= TERMP_NOSPACE;
368: term_word(p, "]");
1.138 schwarze 369: return 0;
1.1 kristaps 370: }
371:
372: static int
1.45 schwarze 373: pre_in(DECL_ARGS)
1.11 schwarze 374: {
1.116 schwarze 375: struct roffsu su;
376: const char *cp;
1.45 schwarze 377: size_t v;
1.116 schwarze 378: int less;
1.45 schwarze 379:
380: term_newln(p);
381:
1.156 schwarze 382: if (n->child == NULL) {
383: p->tcol->offset = mt->offset;
1.138 schwarze 384: return 0;
1.45 schwarze 385: }
1.11 schwarze 386:
1.45 schwarze 387: cp = n->child->string;
388: less = 0;
1.11 schwarze 389:
1.45 schwarze 390: if ('-' == *cp)
391: less = -1;
392: else if ('+' == *cp)
393: less = 1;
394: else
395: cp--;
396:
1.157 schwarze 397: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.138 schwarze 398: return 0;
1.45 schwarze 399:
1.158 schwarze 400: v = term_hen(p, &su);
1.45 schwarze 401:
402: if (less < 0)
1.156 schwarze 403: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.45 schwarze 404: else if (less > 0)
1.156 schwarze 405: p->tcol->offset += v;
1.100 schwarze 406: else
1.156 schwarze 407: p->tcol->offset = v;
408: if (p->tcol->offset > SHRT_MAX)
409: p->tcol->offset = term_len(p, p->defindent);
1.8 schwarze 410:
1.152 schwarze 411: return 0;
412: }
413:
414: static int
415: pre_DT(DECL_ARGS)
416: {
417: term_tab_set(p, NULL);
418: term_tab_set(p, "T");
419: term_tab_set(p, ".5i");
1.138 schwarze 420: return 0;
1.8 schwarze 421: }
422:
423: static int
1.11 schwarze 424: pre_HP(DECL_ARGS)
425: {
1.116 schwarze 426: struct roffsu su;
1.125 schwarze 427: const struct roff_node *nn;
1.116 schwarze 428: int len;
1.11 schwarze 429:
430: switch (n->type) {
1.124 schwarze 431: case ROFFT_BLOCK:
1.88 schwarze 432: print_bvspace(p, n, mt->pardist);
1.138 schwarze 433: return 1;
1.124 schwarze 434: case ROFFT_BODY:
1.11 schwarze 435: break;
436: default:
1.138 schwarze 437: return 0;
1.11 schwarze 438: }
439:
1.84 schwarze 440: if ( ! (MANT_LITERAL & mt->fl)) {
1.99 schwarze 441: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.93 schwarze 442: p->trailspace = 2;
1.84 schwarze 443: }
444:
1.11 schwarze 445: /* Calculate offset. */
446:
1.116 schwarze 447: if ((nn = n->parent->head->child) != NULL &&
1.157 schwarze 448: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 449: len = term_hen(p, &su);
1.117 schwarze 450: if (len < 0 && (size_t)(-len) > mt->offset)
451: len = -mt->offset;
452: else if (len > SHRT_MAX)
453: len = term_len(p, p->defindent);
1.116 schwarze 454: mt->lmargin[mt->lmargincur] = len;
455: } else
456: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 457:
1.156 schwarze 458: p->tcol->offset = mt->offset;
459: p->tcol->rmargin = mt->offset + len;
1.138 schwarze 460: return 1;
1.11 schwarze 461: }
462:
463: static void
464: post_HP(DECL_ARGS)
465: {
466:
467: switch (n->type) {
1.124 schwarze 468: case ROFFT_BODY:
1.90 schwarze 469: term_newln(p);
1.127 schwarze 470:
471: /*
472: * Compatibility with a groff bug.
473: * The .HP macro uses the undocumented .tag request
474: * which causes a line break and cancels no-space
475: * mode even if there isn't any output.
476: */
477:
478: if (n->child == NULL)
479: term_vspace(p);
480:
1.99 schwarze 481: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.93 schwarze 482: p->trailspace = 0;
1.156 schwarze 483: p->tcol->offset = mt->offset;
484: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 485: break;
486: default:
487: break;
488: }
489: }
490:
491: static int
1.1 kristaps 492: pre_PP(DECL_ARGS)
493: {
494:
1.11 schwarze 495: switch (n->type) {
1.124 schwarze 496: case ROFFT_BLOCK:
1.77 schwarze 497: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.88 schwarze 498: print_bvspace(p, n, mt->pardist);
1.11 schwarze 499: break;
500: default:
1.156 schwarze 501: p->tcol->offset = mt->offset;
1.11 schwarze 502: break;
503: }
504:
1.138 schwarze 505: return n->type != ROFFT_HEAD;
1.1 kristaps 506: }
507:
508: static int
509: pre_IP(DECL_ARGS)
510: {
1.116 schwarze 511: struct roffsu su;
1.125 schwarze 512: const struct roff_node *nn;
1.116 schwarze 513: int len, savelit;
1.11 schwarze 514:
515: switch (n->type) {
1.124 schwarze 516: case ROFFT_BODY:
1.11 schwarze 517: p->flags |= TERMP_NOSPACE;
518: break;
1.124 schwarze 519: case ROFFT_HEAD:
1.11 schwarze 520: p->flags |= TERMP_NOBREAK;
1.93 schwarze 521: p->trailspace = 1;
1.11 schwarze 522: break;
1.124 schwarze 523: case ROFFT_BLOCK:
1.88 schwarze 524: print_bvspace(p, n, mt->pardist);
1.11 schwarze 525: /* FALLTHROUGH */
526: default:
1.138 schwarze 527: return 1;
1.11 schwarze 528: }
529:
1.57 schwarze 530: /* Calculate the offset from the optional second argument. */
1.116 schwarze 531: if ((nn = n->parent->head->child) != NULL &&
532: (nn = nn->next) != NULL &&
1.157 schwarze 533: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 534: len = term_hen(p, &su);
1.116 schwarze 535: if (len < 0 && (size_t)(-len) > mt->offset)
536: len = -mt->offset;
1.117 schwarze 537: else if (len > SHRT_MAX)
538: len = term_len(p, p->defindent);
539: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 540: } else
541: len = mt->lmargin[mt->lmargincur];
1.11 schwarze 542:
543: switch (n->type) {
1.124 schwarze 544: case ROFFT_HEAD:
1.156 schwarze 545: p->tcol->offset = mt->offset;
546: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 547:
1.57 schwarze 548: savelit = MANT_LITERAL & mt->fl;
549: mt->fl &= ~MANT_LITERAL;
550:
551: if (n->child)
1.89 schwarze 552: print_man_node(p, mt, n->child, meta);
1.57 schwarze 553:
554: if (savelit)
555: mt->fl |= MANT_LITERAL;
556:
1.138 schwarze 557: return 0;
1.124 schwarze 558: case ROFFT_BODY:
1.156 schwarze 559: p->tcol->offset = mt->offset + len;
560: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 561: break;
562: default:
563: break;
564: }
1.1 kristaps 565:
1.138 schwarze 566: return 1;
1.11 schwarze 567: }
1.1 kristaps 568:
1.11 schwarze 569: static void
570: post_IP(DECL_ARGS)
571: {
1.4 schwarze 572:
1.11 schwarze 573: switch (n->type) {
1.124 schwarze 574: case ROFFT_HEAD:
1.11 schwarze 575: term_flushln(p);
576: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 577: p->trailspace = 0;
1.156 schwarze 578: p->tcol->rmargin = p->maxrmargin;
1.11 schwarze 579: break;
1.124 schwarze 580: case ROFFT_BODY:
1.57 schwarze 581: term_newln(p);
1.156 schwarze 582: p->tcol->offset = mt->offset;
1.11 schwarze 583: break;
584: default:
585: break;
586: }
1.1 kristaps 587: }
588:
589: static int
590: pre_TP(DECL_ARGS)
591: {
1.116 schwarze 592: struct roffsu su;
1.125 schwarze 593: struct roff_node *nn;
1.116 schwarze 594: int len, savelit;
1.11 schwarze 595:
596: switch (n->type) {
1.124 schwarze 597: case ROFFT_HEAD:
1.137 schwarze 598: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.93 schwarze 599: p->trailspace = 1;
1.11 schwarze 600: break;
1.124 schwarze 601: case ROFFT_BODY:
1.11 schwarze 602: p->flags |= TERMP_NOSPACE;
603: break;
1.124 schwarze 604: case ROFFT_BLOCK:
1.166 schwarze 605: if (n->tok == MAN_TP)
606: print_bvspace(p, n, mt->pardist);
1.11 schwarze 607: /* FALLTHROUGH */
608: default:
1.138 schwarze 609: return 1;
1.11 schwarze 610: }
611:
612: /* Calculate offset. */
1.1 kristaps 613:
1.116 schwarze 614: if ((nn = n->parent->head->child) != NULL &&
1.141 schwarze 615: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.157 schwarze 616: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.158 schwarze 617: len = term_hen(p, &su);
1.116 schwarze 618: if (len < 0 && (size_t)(-len) > mt->offset)
619: len = -mt->offset;
1.117 schwarze 620: else if (len > SHRT_MAX)
621: len = term_len(p, p->defindent);
622: mt->lmargin[mt->lmargincur] = len;
1.116 schwarze 623: } else
624: len = mt->lmargin[mt->lmargincur];
1.8 schwarze 625:
1.11 schwarze 626: switch (n->type) {
1.124 schwarze 627: case ROFFT_HEAD:
1.156 schwarze 628: p->tcol->offset = mt->offset;
629: p->tcol->rmargin = mt->offset + len;
1.11 schwarze 630:
1.57 schwarze 631: savelit = MANT_LITERAL & mt->fl;
632: mt->fl &= ~MANT_LITERAL;
633:
1.11 schwarze 634: /* Don't print same-line elements. */
1.95 schwarze 635: nn = n->child;
1.141 schwarze 636: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.95 schwarze 637: nn = nn->next;
638:
639: while (NULL != nn) {
640: print_man_node(p, mt, nn, meta);
641: nn = nn->next;
642: }
1.11 schwarze 643:
1.57 schwarze 644: if (savelit)
645: mt->fl |= MANT_LITERAL;
1.138 schwarze 646: return 0;
1.124 schwarze 647: case ROFFT_BODY:
1.156 schwarze 648: p->tcol->offset = mt->offset + len;
649: p->tcol->rmargin = p->maxrmargin;
1.93 schwarze 650: p->trailspace = 0;
1.137 schwarze 651: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.11 schwarze 652: break;
653: default:
654: break;
655: }
1.1 kristaps 656:
1.138 schwarze 657: return 1;
1.11 schwarze 658: }
1.1 kristaps 659:
1.11 schwarze 660: static void
661: post_TP(DECL_ARGS)
662: {
1.1 kristaps 663:
1.11 schwarze 664: switch (n->type) {
1.124 schwarze 665: case ROFFT_HEAD:
1.11 schwarze 666: term_flushln(p);
667: break;
1.124 schwarze 668: case ROFFT_BODY:
1.57 schwarze 669: term_newln(p);
1.156 schwarze 670: p->tcol->offset = mt->offset;
1.11 schwarze 671: break;
672: default:
673: break;
674: }
1.1 kristaps 675: }
676:
677: static int
678: pre_SS(DECL_ARGS)
679: {
1.88 schwarze 680: int i;
1.1 kristaps 681:
1.11 schwarze 682: switch (n->type) {
1.124 schwarze 683: case ROFFT_BLOCK:
1.69 schwarze 684: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 685: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
686: mt->offset = term_len(p, p->defindent);
1.111 schwarze 687:
688: /*
689: * No vertical space before the first subsection
690: * and after an empty subsection.
691: */
692:
693: do {
694: n = n->prev;
1.162 schwarze 695: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 696: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 697: if (n == NULL || n->type == ROFFT_COMMENT ||
698: (n->tok == MAN_SS && n->body->child == NULL))
1.11 schwarze 699: break;
1.111 schwarze 700:
1.88 schwarze 701: for (i = 0; i < mt->pardist; i++)
702: term_vspace(p);
1.11 schwarze 703: break;
1.124 schwarze 704: case ROFFT_HEAD:
1.21 schwarze 705: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 706: p->tcol->offset = term_len(p, 3);
707: p->tcol->rmargin = mt->offset;
1.129 schwarze 708: p->trailspace = mt->offset;
709: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 710: break;
1.124 schwarze 711: case ROFFT_BODY:
1.156 schwarze 712: p->tcol->offset = mt->offset;
713: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 714: p->trailspace = 0;
715: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 716: break;
717: default:
718: break;
719: }
720:
1.138 schwarze 721: return 1;
1.1 kristaps 722: }
723:
724: static void
725: post_SS(DECL_ARGS)
726: {
1.100 schwarze 727:
1.11 schwarze 728: switch (n->type) {
1.124 schwarze 729: case ROFFT_HEAD:
1.11 schwarze 730: term_newln(p);
731: break;
1.124 schwarze 732: case ROFFT_BODY:
1.11 schwarze 733: term_newln(p);
734: break;
735: default:
736: break;
737: }
1.1 kristaps 738: }
739:
740: static int
741: pre_SH(DECL_ARGS)
742: {
1.88 schwarze 743: int i;
1.1 kristaps 744:
1.11 schwarze 745: switch (n->type) {
1.124 schwarze 746: case ROFFT_BLOCK:
1.69 schwarze 747: mt->fl &= ~MANT_LITERAL;
1.77 schwarze 748: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
749: mt->offset = term_len(p, p->defindent);
1.111 schwarze 750:
751: /*
752: * No vertical space before the first section
753: * and after an empty section.
754: */
755:
756: do {
757: n = n->prev;
1.162 schwarze 758: } while (n != NULL && n->tok >= MAN_TH &&
1.167 schwarze 759: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.163 schwarze 760: if (n == NULL || n->type == ROFFT_COMMENT ||
761: (n->tok == MAN_SH && n->body->child == NULL))
1.29 schwarze 762: break;
1.111 schwarze 763:
1.88 schwarze 764: for (i = 0; i < mt->pardist; i++)
765: term_vspace(p);
1.11 schwarze 766: break;
1.124 schwarze 767: case ROFFT_HEAD:
1.21 schwarze 768: term_fontrepl(p, TERMFONT_BOLD);
1.156 schwarze 769: p->tcol->offset = 0;
770: p->tcol->rmargin = mt->offset;
1.129 schwarze 771: p->trailspace = mt->offset;
772: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.11 schwarze 773: break;
1.124 schwarze 774: case ROFFT_BODY:
1.156 schwarze 775: p->tcol->offset = mt->offset;
776: p->tcol->rmargin = p->maxrmargin;
1.129 schwarze 777: p->trailspace = 0;
778: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.11 schwarze 779: break;
780: default:
781: break;
782: }
783:
1.138 schwarze 784: return 1;
1.1 kristaps 785: }
786:
787: static void
788: post_SH(DECL_ARGS)
789: {
1.100 schwarze 790:
1.11 schwarze 791: switch (n->type) {
1.124 schwarze 792: case ROFFT_HEAD:
1.11 schwarze 793: term_newln(p);
794: break;
1.124 schwarze 795: case ROFFT_BODY:
1.11 schwarze 796: term_newln(p);
797: break;
798: default:
1.13 schwarze 799: break;
800: }
801: }
802:
803: static int
804: pre_RS(DECL_ARGS)
805: {
1.116 schwarze 806: struct roffsu su;
1.13 schwarze 807:
808: switch (n->type) {
1.124 schwarze 809: case ROFFT_BLOCK:
1.13 schwarze 810: term_newln(p);
1.138 schwarze 811: return 1;
1.124 schwarze 812: case ROFFT_HEAD:
1.138 schwarze 813: return 0;
1.13 schwarze 814: default:
815: break;
816: }
817:
1.118 schwarze 818: n = n->parent->head;
819: n->aux = SHRT_MAX + 1;
1.130 schwarze 820: if (n->child == NULL)
821: n->aux = mt->lmargin[mt->lmargincur];
1.157 schwarze 822: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.158 schwarze 823: n->aux = term_hen(p, &su);
1.118 schwarze 824: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
825: n->aux = -mt->offset;
826: else if (n->aux > SHRT_MAX)
827: n->aux = term_len(p, p->defindent);
1.13 schwarze 828:
1.118 schwarze 829: mt->offset += n->aux;
1.156 schwarze 830: p->tcol->offset = mt->offset;
831: p->tcol->rmargin = p->maxrmargin;
1.13 schwarze 832:
1.70 schwarze 833: if (++mt->lmarginsz < MAXMARGINS)
834: mt->lmargincur = mt->lmarginsz;
835:
1.131 schwarze 836: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.138 schwarze 837: return 1;
1.13 schwarze 838: }
839:
840: static void
841: post_RS(DECL_ARGS)
842: {
843:
844: switch (n->type) {
1.124 schwarze 845: case ROFFT_BLOCK:
1.69 schwarze 846: return;
1.124 schwarze 847: case ROFFT_HEAD:
1.69 schwarze 848: return;
1.13 schwarze 849: default:
850: term_newln(p);
1.11 schwarze 851: break;
852: }
1.69 schwarze 853:
1.118 schwarze 854: mt->offset -= n->parent->head->aux;
1.156 schwarze 855: p->tcol->offset = mt->offset;
1.70 schwarze 856:
857: if (--mt->lmarginsz < MAXMARGINS)
858: mt->lmargincur = mt->lmarginsz;
1.168 schwarze 859: }
860:
861: static int
862: pre_SY(DECL_ARGS)
863: {
864: const struct roff_node *nn;
865: int len;
866:
867: switch (n->type) {
868: case ROFFT_BLOCK:
1.170 schwarze 869: if (n->prev == NULL || n->prev->tok != MAN_SY)
870: print_bvspace(p, n, mt->pardist);
1.168 schwarze 871: return 1;
872: case ROFFT_HEAD:
873: case ROFFT_BODY:
874: break;
875: default:
876: abort();
877: }
878:
879: nn = n->parent->head->child;
1.172 schwarze 880: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.168 schwarze 881:
882: switch (n->type) {
883: case ROFFT_HEAD:
884: p->tcol->offset = mt->offset;
885: p->tcol->rmargin = mt->offset + len;
886: p->flags |= TERMP_NOBREAK;
887: term_fontrepl(p, TERMFONT_BOLD);
888: break;
889: case ROFFT_BODY:
890: mt->lmargin[mt->lmargincur] = len;
891: p->tcol->offset = mt->offset + len;
892: p->tcol->rmargin = p->maxrmargin;
893: p->flags |= TERMP_NOSPACE;
894: break;
895: default:
896: abort();
897: }
898: return 1;
899: }
900:
901: static void
902: post_SY(DECL_ARGS)
903: {
904: switch (n->type) {
905: case ROFFT_HEAD:
906: term_flushln(p);
907: p->flags &= ~TERMP_NOBREAK;
908: break;
909: case ROFFT_BODY:
910: term_newln(p);
911: p->tcol->offset = mt->offset;
912: break;
913: default:
914: break;
915: }
1.91 schwarze 916: }
917:
918: static int
919: pre_UR(DECL_ARGS)
920: {
921:
1.138 schwarze 922: return n->type != ROFFT_HEAD;
1.91 schwarze 923: }
924:
925: static void
926: post_UR(DECL_ARGS)
927: {
928:
1.124 schwarze 929: if (n->type != ROFFT_BLOCK)
1.91 schwarze 930: return;
931:
932: term_word(p, "<");
933: p->flags |= TERMP_NOSPACE;
934:
935: if (NULL != n->child->child)
936: print_man_node(p, mt, n->child->child, meta);
937:
938: p->flags |= TERMP_NOSPACE;
939: term_word(p, ">");
1.47 schwarze 940: }
941:
1.1 kristaps 942: static void
1.19 schwarze 943: print_man_node(DECL_ARGS)
1.1 kristaps 944: {
1.167 schwarze 945: const struct man_term_act *act;
946: int c;
1.1 kristaps 947:
948: switch (n->type) {
1.124 schwarze 949: case ROFFT_TEXT:
1.61 schwarze 950: /*
951: * If we have a blank line, output a vertical space.
952: * If we have a space as the first character, break
953: * before printing the line's data.
954: */
1.153 schwarze 955: if (*n->string == '\0') {
1.160 schwarze 956: if (p->flags & TERMP_NONEWLINE)
957: term_newln(p);
958: else
959: term_vspace(p);
1.61 schwarze 960: return;
1.153 schwarze 961: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
962: (p->flags & TERMP_NONEWLINE) == 0)
1.60 schwarze 963: term_newln(p);
1.165 schwarze 964: else if (n->flags & NODE_DELIMC)
965: p->flags |= TERMP_NOSPACE;
1.21 schwarze 966:
1.1 kristaps 967: term_word(p, n->string);
1.84 schwarze 968: goto out;
1.163 schwarze 969: case ROFFT_COMMENT:
970: return;
1.124 schwarze 971: case ROFFT_EQN:
1.141 schwarze 972: if ( ! (n->flags & NODE_LINE))
1.105 schwarze 973: p->flags |= TERMP_NOSPACE;
1.71 schwarze 974: term_eqn(p, n->eqn);
1.141 schwarze 975: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.106 schwarze 976: p->flags |= TERMP_NOSPACE;
1.61 schwarze 977: return;
1.124 schwarze 978: case ROFFT_TBL:
1.122 schwarze 979: if (p->tbl.cols == NULL)
980: term_vspace(p);
1.58 schwarze 981: term_tbl(p, n->span);
1.61 schwarze 982: return;
1.1 kristaps 983: default:
984: break;
985: }
986:
1.146 schwarze 987: if (n->tok < ROFF_MAX) {
1.147 schwarze 988: roff_term_pre(p, n);
1.146 schwarze 989: return;
990: }
991:
1.167 schwarze 992: act = man_term_act(n->tok);
1.173 schwarze 993: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.61 schwarze 994: term_fontrepl(p, TERMFONT_NONE);
995:
996: c = 1;
1.167 schwarze 997: if (act->pre != NULL)
998: c = (*act->pre)(p, mt, n, meta);
1.61 schwarze 999:
1.1 kristaps 1000: if (c && n->child)
1.89 schwarze 1001: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 1002:
1.167 schwarze 1003: if (act->post != NULL)
1004: (*act->post)(p, mt, n, meta);
1.173 schwarze 1005: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.61 schwarze 1006: term_fontrepl(p, TERMFONT_NONE);
1.30 schwarze 1007:
1.84 schwarze 1008: out:
1009: /*
1010: * If we're in a literal context, make sure that words
1011: * together on the same line stay together. This is a
1012: * POST-printing call, so we check the NEXT word. Since
1013: * -man doesn't have nested macros, we don't need to be
1014: * more specific than this.
1015: */
1.110 schwarze 1016: if (mt->fl & MANT_LITERAL &&
1017: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.141 schwarze 1018: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.155 schwarze 1019: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.110 schwarze 1020: if (n->string != NULL && *n->string != '\0')
1.84 schwarze 1021: term_flushln(p);
1022: else
1023: term_newln(p);
1.155 schwarze 1024: p->flags &= ~TERMP_BRNEVER;
1.156 schwarze 1025: if (p->tcol->rmargin < p->maxrmargin &&
1026: n->parent->tok == MAN_HP) {
1027: p->tcol->offset = p->tcol->rmargin;
1028: p->tcol->rmargin = p->maxrmargin;
1.155 schwarze 1029: }
1.84 schwarze 1030: }
1.141 schwarze 1031: if (NODE_EOS & n->flags)
1.30 schwarze 1032: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1033: }
1034:
1035:
1036: static void
1.21 schwarze 1037: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1038: {
1.11 schwarze 1039:
1.121 schwarze 1040: while (n != NULL) {
1041: print_man_node(p, mt, n, meta);
1042: n = n->next;
1043: }
1.1 kristaps 1044: }
1045:
1046: static void
1.126 schwarze 1047: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1048: {
1.101 schwarze 1049: char *title;
1.109 schwarze 1050: size_t datelen, titlen;
1.41 schwarze 1051:
1.80 schwarze 1052: assert(meta->title);
1053: assert(meta->msec);
1054: assert(meta->date);
1.21 schwarze 1055:
1056: term_fontrepl(p, TERMFONT_NONE);
1.1 kristaps 1057:
1.103 schwarze 1058: if (meta->hasbody)
1059: term_vspace(p);
1.81 schwarze 1060:
1061: /*
1062: * Temporary, undocumented option to imitate mdoc(7) output.
1.126 schwarze 1063: * In the bottom right corner, use the operating system
1064: * instead of the title.
1.81 schwarze 1065: */
1066:
1.79 schwarze 1067: if ( ! p->mdocstyle) {
1.103 schwarze 1068: if (meta->hasbody) {
1069: term_vspace(p);
1070: term_vspace(p);
1071: }
1.101 schwarze 1072: mandoc_asprintf(&title, "%s(%s)",
1073: meta->title, meta->msec);
1.126 schwarze 1074: } else if (meta->os) {
1075: title = mandoc_strdup(meta->os);
1.79 schwarze 1076: } else {
1.101 schwarze 1077: title = mandoc_strdup("");
1.79 schwarze 1078: }
1.78 schwarze 1079: datelen = term_strlen(p, meta->date);
1.1 kristaps 1080:
1.126 schwarze 1081: /* Bottom left corner: operating system. */
1.81 schwarze 1082:
1.1 kristaps 1083: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.93 schwarze 1084: p->trailspace = 1;
1.156 schwarze 1085: p->tcol->offset = 0;
1086: p->tcol->rmargin = p->maxrmargin > datelen ?
1.109 schwarze 1087: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1088:
1.126 schwarze 1089: if (meta->os)
1090: term_word(p, meta->os);
1.1 kristaps 1091: term_flushln(p);
1092:
1.81 schwarze 1093: /* At the bottom in the middle: manual date. */
1094:
1.156 schwarze 1095: p->tcol->offset = p->tcol->rmargin;
1.109 schwarze 1096: titlen = term_strlen(p, title);
1.156 schwarze 1097: p->tcol->rmargin = p->maxrmargin > titlen ?
1098: p->maxrmargin - titlen : 0;
1.72 schwarze 1099: p->flags |= TERMP_NOSPACE;
1.78 schwarze 1100:
1101: term_word(p, meta->date);
1102: term_flushln(p);
1103:
1.81 schwarze 1104: /* Bottom right corner: manual title and section. */
1105:
1.78 schwarze 1106: p->flags &= ~TERMP_NOBREAK;
1107: p->flags |= TERMP_NOSPACE;
1.93 schwarze 1108: p->trailspace = 0;
1.156 schwarze 1109: p->tcol->offset = p->tcol->rmargin;
1110: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1111:
1.78 schwarze 1112: term_word(p, title);
1.1 kristaps 1113: term_flushln(p);
1.164 schwarze 1114:
1115: /*
1116: * Reset the terminal state for more output after the footer:
1117: * Some output modes, in particular PostScript and PDF, print
1118: * the header and the footer into a buffer such that it can be
1119: * reused for multiple output pages, then go on to format the
1120: * main text.
1121: */
1122:
1123: p->tcol->offset = 0;
1124: p->flags = 0;
1125:
1.101 schwarze 1126: free(title);
1.1 kristaps 1127: }
1128:
1129: static void
1.126 schwarze 1130: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1131: {
1.102 schwarze 1132: const char *volume;
1.101 schwarze 1133: char *title;
1.102 schwarze 1134: size_t vollen, titlen;
1.41 schwarze 1135:
1.89 schwarze 1136: assert(meta->title);
1137: assert(meta->msec);
1.1 kristaps 1138:
1.102 schwarze 1139: volume = NULL == meta->vol ? "" : meta->vol;
1140: vollen = term_strlen(p, volume);
1.1 kristaps 1141:
1.81 schwarze 1142: /* Top left corner: manual title and section. */
1143:
1.101 schwarze 1144: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.42 schwarze 1145: titlen = term_strlen(p, title);
1.1 kristaps 1146:
1.73 schwarze 1147: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.93 schwarze 1148: p->trailspace = 1;
1.156 schwarze 1149: p->tcol->offset = 0;
1150: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.102 schwarze 1151: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.109 schwarze 1152: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1153:
1154: term_word(p, title);
1155: term_flushln(p);
1156:
1.81 schwarze 1157: /* At the top in the middle: manual volume. */
1158:
1.72 schwarze 1159: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1160: p->tcol->offset = p->tcol->rmargin;
1161: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1162: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1163:
1.102 schwarze 1164: term_word(p, volume);
1.1 kristaps 1165: term_flushln(p);
1166:
1.81 schwarze 1167: /* Top right corner: title and section, again. */
1168:
1.1 kristaps 1169: p->flags &= ~TERMP_NOBREAK;
1.93 schwarze 1170: p->trailspace = 0;
1.156 schwarze 1171: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.72 schwarze 1172: p->flags |= TERMP_NOSPACE;
1.156 schwarze 1173: p->tcol->offset = p->tcol->rmargin;
1174: p->tcol->rmargin = p->maxrmargin;
1.25 schwarze 1175: term_word(p, title);
1176: term_flushln(p);
1177: }
1.1 kristaps 1178:
1.73 schwarze 1179: p->flags &= ~TERMP_NOSPACE;
1.156 schwarze 1180: p->tcol->offset = 0;
1181: p->tcol->rmargin = p->maxrmargin;
1.29 schwarze 1182:
1.100 schwarze 1183: /*
1.81 schwarze 1184: * Groff prints three blank lines before the content.
1185: * Do the same, except in the temporary, undocumented
1186: * mode imitating mdoc(7) output.
1.29 schwarze 1187: */
1188:
1189: term_vspace(p);
1.79 schwarze 1190: if ( ! p->mdocstyle) {
1191: term_vspace(p);
1192: term_vspace(p);
1193: }
1.101 schwarze 1194: free(title);
1.1 kristaps 1195: }
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