Annotation of mandoc/man_term.c, Revision 1.244
1.244 ! schwarze 1: /* $Id: man_term.c,v 1.243 2023/10/24 20:53:12 schwarze Exp $ */
1.1 kristaps 2: /*
1.243 schwarze 3: * Copyright (c) 2010-15,2017-20,2022-23 Ingo Schwarze <schwarze@openbsd.org>
1.128 schwarze 4: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.8 kristaps 7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 9: *
1.171 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.8 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.171 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.8 kristaps 13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.235 schwarze 17: *
18: * Plain text formatter for man(7), used by mandoc(1)
19: * for ASCII, UTF-8, PostScript, and PDF output.
1.1 kristaps 20: */
1.55 kristaps 21: #include "config.h"
22:
1.28 kristaps 23: #include <sys/types.h>
24:
1.1 kristaps 25: #include <assert.h>
1.18 kristaps 26: #include <ctype.h>
1.164 schwarze 27: #include <limits.h>
1.1 kristaps 28: #include <stdio.h>
29: #include <stdlib.h>
30: #include <string.h>
31:
1.171 schwarze 32: #include "mandoc_aux.h"
1.231 schwarze 33: #include "mandoc.h"
1.171 schwarze 34: #include "roff.h"
35: #include "man.h"
1.40 kristaps 36: #include "out.h"
1.1 kristaps 37: #include "term.h"
1.235 schwarze 38: #include "term_tag.h"
1.36 kristaps 39: #include "main.h"
1.1 kristaps 40:
1.116 schwarze 41: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.18 kristaps 42:
1.24 kristaps 43: struct mtermp {
1.163 schwarze 44: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.116 schwarze 45: int lmargincur; /* index of current margin */
46: int lmarginsz; /* actual number of nested margins */
47: size_t offset; /* default offset to visible page */
1.134 schwarze 48: int pardist; /* vert. space before par., unit: [v] */
1.24 kristaps 49: };
1.19 kristaps 50:
1.146 schwarze 51: #define DECL_ARGS struct termp *p, \
1.24 kristaps 52: struct mtermp *mt, \
1.172 schwarze 53: struct roff_node *n, \
1.173 schwarze 54: const struct roff_meta *meta
1.1 kristaps 55:
1.214 schwarze 56: struct man_term_act {
1.1 kristaps 57: int (*pre)(DECL_ARGS);
58: void (*post)(DECL_ARGS);
1.56 kristaps 59: int flags;
60: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 61: };
62:
1.52 kristaps 63: static void print_man_nodelist(DECL_ARGS);
1.45 kristaps 64: static void print_man_node(DECL_ARGS);
1.173 schwarze 65: static void print_man_head(struct termp *,
66: const struct roff_meta *);
67: static void print_man_foot(struct termp *,
68: const struct roff_meta *);
1.146 schwarze 69: static void print_bvspace(struct termp *,
1.234 schwarze 70: struct roff_node *, int);
1.39 kristaps 71:
1.1 kristaps 72: static int pre_B(DECL_ARGS);
1.199 schwarze 73: static int pre_DT(DECL_ARGS);
1.19 kristaps 74: static int pre_HP(DECL_ARGS);
1.1 kristaps 75: static int pre_I(DECL_ARGS);
1.4 kristaps 76: static int pre_IP(DECL_ARGS);
1.243 schwarze 77: static int pre_MR(DECL_ARGS);
1.127 kristaps 78: static int pre_OP(DECL_ARGS);
1.134 schwarze 79: static int pre_PD(DECL_ARGS);
1.1 kristaps 80: static int pre_PP(DECL_ARGS);
1.26 kristaps 81: static int pre_RS(DECL_ARGS);
1.1 kristaps 82: static int pre_SH(DECL_ARGS);
83: static int pre_SS(DECL_ARGS);
1.215 schwarze 84: static int pre_SY(DECL_ARGS);
1.1 kristaps 85: static int pre_TP(DECL_ARGS);
1.137 schwarze 86: static int pre_UR(DECL_ARGS);
1.127 kristaps 87: static int pre_alternate(DECL_ARGS);
1.29 kristaps 88: static int pre_ign(DECL_ARGS);
1.83 kristaps 89: static int pre_in(DECL_ARGS);
1.84 kristaps 90: static int pre_literal(DECL_ARGS);
1.1 kristaps 91:
1.22 kristaps 92: static void post_IP(DECL_ARGS);
1.20 kristaps 93: static void post_HP(DECL_ARGS);
1.26 kristaps 94: static void post_RS(DECL_ARGS);
1.1 kristaps 95: static void post_SH(DECL_ARGS);
1.215 schwarze 96: static void post_SY(DECL_ARGS);
1.21 kristaps 97: static void post_TP(DECL_ARGS);
1.137 schwarze 98: static void post_UR(DECL_ARGS);
1.1 kristaps 99:
1.214 schwarze 100: static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
1.56 kristaps 101: { NULL, NULL, 0 }, /* TH */
102: { pre_SH, post_SH, 0 }, /* SH */
1.227 schwarze 103: { pre_SS, post_SH, 0 }, /* SS */
1.56 kristaps 104: { pre_TP, post_TP, 0 }, /* TP */
1.213 schwarze 105: { pre_TP, post_TP, 0 }, /* TQ */
1.242 schwarze 106: { pre_PP, NULL, 0 }, /* LP */
1.56 kristaps 107: { pre_PP, NULL, 0 }, /* PP */
1.242 schwarze 108: { pre_PP, NULL, 0 }, /* P */
1.56 kristaps 109: { pre_IP, post_IP, 0 }, /* IP */
1.146 schwarze 110: { pre_HP, post_HP, 0 }, /* HP */
1.56 kristaps 111: { NULL, NULL, 0 }, /* SM */
112: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 113: { pre_alternate, NULL, 0 }, /* BI */
114: { pre_alternate, NULL, 0 }, /* IB */
115: { pre_alternate, NULL, 0 }, /* BR */
116: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 117: { NULL, NULL, 0 }, /* R */
118: { pre_B, NULL, 0 }, /* B */
119: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 120: { pre_alternate, NULL, 0 }, /* IR */
121: { pre_alternate, NULL, 0 }, /* RI */
1.56 kristaps 122: { NULL, NULL, 0 }, /* RE */
123: { pre_RS, post_RS, 0 }, /* RS */
1.237 schwarze 124: { pre_DT, NULL, MAN_NOTEXT }, /* DT */
1.158 schwarze 125: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 126: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.237 schwarze 127: { pre_ign, NULL, MAN_NOTEXT }, /* AT */
1.83 kristaps 128: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.215 schwarze 129: { pre_SY, post_SY, 0 }, /* SY */
130: { NULL, NULL, 0 }, /* YS */
1.127 kristaps 131: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 132: { pre_literal, NULL, 0 }, /* EX */
133: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 134: { pre_UR, post_UR, 0 }, /* UR */
135: { NULL, NULL, 0 }, /* UE */
1.208 schwarze 136: { pre_UR, post_UR, 0 }, /* MT */
137: { NULL, NULL, 0 }, /* ME */
1.243 schwarze 138: { pre_MR, NULL, 0 }, /* MR */
1.1 kristaps 139: };
1.214 schwarze 140: static const struct man_term_act *man_term_act(enum roff_tok);
1.1 kristaps 141:
142:
1.214 schwarze 143: static const struct man_term_act *
144: man_term_act(enum roff_tok tok)
145: {
146: assert(tok >= MAN_TH && tok <= MAN_MAX);
147: return man_term_acts + (tok - MAN_TH);
148: }
149:
1.31 kristaps 150: void
1.223 schwarze 151: terminal_man(void *arg, const struct roff_meta *man)
1.1 kristaps 152: {
1.227 schwarze 153: struct mtermp mt;
1.36 kristaps 154: struct termp *p;
1.229 schwarze 155: struct roff_node *n, *nc, *nn;
1.36 kristaps 156:
157: p = (struct termp *)arg;
1.203 schwarze 158: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.198 schwarze 159: term_tab_set(p, NULL);
160: term_tab_set(p, "T");
161: term_tab_set(p, ".5i");
1.36 kristaps 162:
1.227 schwarze 163: memset(&mt, 0, sizeof(mt));
1.244 ! schwarze 164: mt.lmargin[mt.lmargincur] = term_len(p, 7);
1.122 schwarze 165: mt.offset = term_len(p, p->defindent);
1.134 schwarze 166: mt.pardist = 1;
1.24 kristaps 167:
1.181 schwarze 168: n = man->first->child;
1.151 schwarze 169: if (p->synopsisonly) {
1.229 schwarze 170: for (nn = NULL; n != NULL; n = n->next) {
171: if (n->tok != MAN_SH)
172: continue;
173: nc = n->child->child;
174: if (nc->type != ROFFT_TEXT)
175: continue;
176: if (strcmp(nc->string, "SYNOPSIS") == 0)
1.151 schwarze 177: break;
1.229 schwarze 178: if (nn == NULL && strcmp(nc->string, "NAME") == 0)
179: nn = n;
1.151 schwarze 180: }
1.229 schwarze 181: if (n == NULL)
182: n = nn;
183: p->flags |= TERMP_NOSPACE;
184: if (n != NULL && (n = n->child->next->child) != NULL)
185: print_man_nodelist(p, &mt, n, man);
186: term_newln(p);
1.151 schwarze 187: } else {
1.223 schwarze 188: term_begin(p, print_man_head, print_man_foot, man);
1.151 schwarze 189: p->flags |= TERMP_NOSPACE;
190: if (n != NULL)
1.223 schwarze 191: print_man_nodelist(p, &mt, n, man);
1.151 schwarze 192: term_end(p);
193: }
1.1 kristaps 194: }
195:
1.111 kristaps 196: /*
197: * Printing leading vertical space before a block.
198: * This is used for the paragraph macros.
199: * The rules are pretty simple, since there's very little nesting going
200: * on here. Basically, if we're the first within another block (SS/SH),
201: * then don't emit vertical space. If we are (RS), then do. If not the
202: * first, print it.
203: */
1.39 kristaps 204: static void
1.234 schwarze 205: print_bvspace(struct termp *p, struct roff_node *n, int pardist)
1.18 kristaps 206: {
1.234 schwarze 207: struct roff_node *nch;
208: int i;
1.111 kristaps 209:
1.39 kristaps 210: term_newln(p);
1.101 schwarze 211:
1.234 schwarze 212: if (n->body != NULL &&
213: (nch = roff_node_child(n->body)) != NULL &&
214: nch->type == ROFFT_TBL)
215: return;
216:
217: if (n->parent->tok != MAN_RS && roff_node_prev(n) == NULL)
218: return;
1.18 kristaps 219:
1.134 schwarze 220: for (i = 0; i < pardist; i++)
221: term_vspace(p);
1.221 schwarze 222: }
1.146 schwarze 223:
1.1 kristaps 224: static int
1.29 kristaps 225: pre_ign(DECL_ARGS)
226: {
1.185 schwarze 227: return 0;
1.29 kristaps 228: }
229:
230: static int
1.1 kristaps 231: pre_I(DECL_ARGS)
232: {
1.52 kristaps 233: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 234: return 1;
1.19 kristaps 235: }
236:
1.3 kristaps 237: static int
1.84 kristaps 238: pre_literal(DECL_ARGS)
1.19 kristaps 239: {
1.81 kristaps 240: term_newln(p);
1.88 kristaps 241:
1.117 schwarze 242: /*
243: * Unlike .IP and .TP, .HP does not have a HEAD.
244: * So in case a second call to term_flushln() is needed,
245: * indentation has to be set up explicitly.
246: */
1.203 schwarze 247: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
248: p->tcol->offset = p->tcol->rmargin;
249: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 250: p->trailspace = 0;
1.145 schwarze 251: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 252: p->flags |= TERMP_NOSPACE;
253: }
1.185 schwarze 254: return 0;
1.19 kristaps 255: }
256:
257: static int
1.134 schwarze 258: pre_PD(DECL_ARGS)
259: {
1.160 schwarze 260: struct roffsu su;
1.134 schwarze 261:
262: n = n->child;
1.160 schwarze 263: if (n == NULL) {
1.134 schwarze 264: mt->pardist = 1;
1.185 schwarze 265: return 0;
1.134 schwarze 266: }
1.171 schwarze 267: assert(n->type == ROFFT_TEXT);
1.204 schwarze 268: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.160 schwarze 269: mt->pardist = term_vspan(p, &su);
1.185 schwarze 270: return 0;
1.134 schwarze 271: }
272:
273: static int
1.88 kristaps 274: pre_alternate(DECL_ARGS)
1.3 kristaps 275: {
1.88 kristaps 276: enum termfont font[2];
1.172 schwarze 277: struct roff_node *nn;
1.225 schwarze 278: int i;
1.3 kristaps 279:
1.88 kristaps 280: switch (n->tok) {
1.146 schwarze 281: case MAN_RB:
1.88 kristaps 282: font[0] = TERMFONT_NONE;
283: font[1] = TERMFONT_BOLD;
284: break;
1.146 schwarze 285: case MAN_RI:
1.88 kristaps 286: font[0] = TERMFONT_NONE;
287: font[1] = TERMFONT_UNDER;
288: break;
1.146 schwarze 289: case MAN_BR:
1.88 kristaps 290: font[0] = TERMFONT_BOLD;
291: font[1] = TERMFONT_NONE;
292: break;
1.146 schwarze 293: case MAN_BI:
1.88 kristaps 294: font[0] = TERMFONT_BOLD;
295: font[1] = TERMFONT_UNDER;
296: break;
1.146 schwarze 297: case MAN_IR:
1.88 kristaps 298: font[0] = TERMFONT_UNDER;
299: font[1] = TERMFONT_NONE;
300: break;
1.146 schwarze 301: case MAN_IB:
1.88 kristaps 302: font[0] = TERMFONT_UNDER;
303: font[1] = TERMFONT_BOLD;
304: break;
305: default:
306: abort();
307: }
1.225 schwarze 308: for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i = 1 - i) {
1.88 kristaps 309: term_fontrepl(p, font[i]);
1.179 schwarze 310: assert(nn->type == ROFFT_TEXT);
311: term_word(p, nn->string);
1.188 schwarze 312: if (nn->flags & NODE_EOS)
1.230 schwarze 313: p->flags |= TERMP_SENTENCE;
1.227 schwarze 314: if (nn->next != NULL)
1.4 kristaps 315: p->flags |= TERMP_NOSPACE;
1.3 kristaps 316: }
1.185 schwarze 317: return 0;
1.3 kristaps 318: }
319:
1.1 kristaps 320: static int
321: pre_B(DECL_ARGS)
322: {
1.52 kristaps 323: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 324: return 1;
1.243 schwarze 325: }
326:
327: static int
328: pre_MR(DECL_ARGS)
329: {
330: term_fontrepl(p, TERMFONT_NONE);
331: n = n->child;
332: if (n != NULL) {
333: term_word(p, n->string); /* name */
334: p->flags |= TERMP_NOSPACE;
335: }
336: term_word(p, "(");
337: p->flags |= TERMP_NOSPACE;
338: if (n != NULL && (n = n->next) != NULL) {
339: term_word(p, n->string); /* section */
340: p->flags |= TERMP_NOSPACE;
341: }
342: term_word(p, ")");
343: if (n != NULL && (n = n->next) != NULL) {
344: p->flags |= TERMP_NOSPACE;
345: term_word(p, n->string); /* suffix */
346: }
347: return 0;
1.127 kristaps 348: }
349:
350: static int
351: pre_OP(DECL_ARGS)
352: {
353: term_word(p, "[");
1.216 schwarze 354: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.127 kristaps 355:
1.227 schwarze 356: if ((n = n->child) != NULL) {
1.127 kristaps 357: term_fontrepl(p, TERMFONT_BOLD);
358: term_word(p, n->string);
359: }
1.227 schwarze 360: if (n != NULL && n->next != NULL) {
1.127 kristaps 361: term_fontrepl(p, TERMFONT_UNDER);
362: term_word(p, n->next->string);
363: }
364: term_fontrepl(p, TERMFONT_NONE);
1.216 schwarze 365: p->flags &= ~TERMP_KEEP;
1.127 kristaps 366: p->flags |= TERMP_NOSPACE;
367: term_word(p, "]");
1.185 schwarze 368: return 0;
1.83 kristaps 369: }
370:
371: static int
372: pre_in(DECL_ARGS)
373: {
1.163 schwarze 374: struct roffsu su;
375: const char *cp;
1.83 kristaps 376: size_t v;
1.163 schwarze 377: int less;
1.83 kristaps 378:
379: term_newln(p);
380:
1.203 schwarze 381: if (n->child == NULL) {
382: p->tcol->offset = mt->offset;
1.185 schwarze 383: return 0;
1.83 kristaps 384: }
385:
386: cp = n->child->string;
387: less = 0;
388:
1.227 schwarze 389: if (*cp == '-')
1.83 kristaps 390: less = -1;
1.227 schwarze 391: else if (*cp == '+')
1.83 kristaps 392: less = 1;
393: else
394: cp--;
395:
1.204 schwarze 396: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.185 schwarze 397: return 0;
1.83 kristaps 398:
1.205 schwarze 399: v = term_hen(p, &su);
1.83 kristaps 400:
401: if (less < 0)
1.203 schwarze 402: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.83 kristaps 403: else if (less > 0)
1.203 schwarze 404: p->tcol->offset += v;
1.146 schwarze 405: else
1.203 schwarze 406: p->tcol->offset = v;
407: if (p->tcol->offset > SHRT_MAX)
408: p->tcol->offset = term_len(p, p->defindent);
1.19 kristaps 409:
1.199 schwarze 410: return 0;
411: }
412:
413: static int
414: pre_DT(DECL_ARGS)
415: {
416: term_tab_set(p, NULL);
417: term_tab_set(p, "T");
418: term_tab_set(p, ".5i");
1.185 schwarze 419: return 0;
1.15 kristaps 420: }
421:
422: static int
1.19 kristaps 423: pre_HP(DECL_ARGS)
424: {
1.163 schwarze 425: struct roffsu su;
1.172 schwarze 426: const struct roff_node *nn;
1.163 schwarze 427: int len;
1.19 kristaps 428:
1.20 kristaps 429: switch (n->type) {
1.171 schwarze 430: case ROFFT_BLOCK:
1.134 schwarze 431: print_bvspace(p, n, mt->pardist);
1.185 schwarze 432: return 1;
1.227 schwarze 433: case ROFFT_HEAD:
434: return 0;
1.171 schwarze 435: case ROFFT_BODY:
1.20 kristaps 436: break;
437: default:
1.227 schwarze 438: abort();
1.20 kristaps 439: }
440:
1.226 schwarze 441: if (n->child == NULL)
442: return 0;
443:
444: if ((n->child->flags & NODE_NOFILL) == 0) {
1.145 schwarze 445: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 446: p->trailspace = 2;
1.130 schwarze 447: }
448:
1.24 kristaps 449: /* Calculate offset. */
450:
1.163 schwarze 451: if ((nn = n->parent->head->child) != NULL &&
1.204 schwarze 452: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 453: len = term_hen(p, &su);
1.164 schwarze 454: if (len < 0 && (size_t)(-len) > mt->offset)
455: len = -mt->offset;
456: else if (len > SHRT_MAX)
457: len = term_len(p, p->defindent);
1.163 schwarze 458: mt->lmargin[mt->lmargincur] = len;
459: } else
460: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 461:
1.203 schwarze 462: p->tcol->offset = mt->offset;
463: p->tcol->rmargin = mt->offset + len;
1.185 schwarze 464: return 1;
1.19 kristaps 465: }
466:
1.20 kristaps 467: static void
468: post_HP(DECL_ARGS)
469: {
470: switch (n->type) {
1.227 schwarze 471: case ROFFT_BLOCK:
472: case ROFFT_HEAD:
473: break;
1.171 schwarze 474: case ROFFT_BODY:
1.136 schwarze 475: term_newln(p);
1.174 schwarze 476:
477: /*
478: * Compatibility with a groff bug.
479: * The .HP macro uses the undocumented .tag request
480: * which causes a line break and cancels no-space
481: * mode even if there isn't any output.
482: */
483:
484: if (n->child == NULL)
485: term_vspace(p);
486:
1.145 schwarze 487: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 488: p->trailspace = 0;
1.203 schwarze 489: p->tcol->offset = mt->offset;
490: p->tcol->rmargin = p->maxrmargin;
1.20 kristaps 491: break;
492: default:
1.227 schwarze 493: abort();
1.20 kristaps 494: }
495: }
496:
1.19 kristaps 497: static int
1.1 kristaps 498: pre_PP(DECL_ARGS)
499: {
1.19 kristaps 500: switch (n->type) {
1.171 schwarze 501: case ROFFT_BLOCK:
1.244 ! schwarze 502: mt->lmargin[mt->lmargincur] = term_len(p, 7);
1.134 schwarze 503: print_bvspace(p, n, mt->pardist);
1.19 kristaps 504: break;
1.227 schwarze 505: case ROFFT_HEAD:
506: return 0;
507: case ROFFT_BODY:
1.203 schwarze 508: p->tcol->offset = mt->offset;
1.19 kristaps 509: break;
1.227 schwarze 510: default:
511: abort();
1.19 kristaps 512: }
1.227 schwarze 513: return 1;
1.1 kristaps 514: }
515:
516: static int
1.4 kristaps 517: pre_IP(DECL_ARGS)
518: {
1.163 schwarze 519: struct roffsu su;
1.172 schwarze 520: const struct roff_node *nn;
1.225 schwarze 521: int len;
1.18 kristaps 522:
1.22 kristaps 523: switch (n->type) {
1.227 schwarze 524: case ROFFT_BLOCK:
525: print_bvspace(p, n, mt->pardist);
526: return 1;
1.171 schwarze 527: case ROFFT_HEAD:
1.22 kristaps 528: p->flags |= TERMP_NOBREAK;
1.139 schwarze 529: p->trailspace = 1;
1.22 kristaps 530: break;
1.227 schwarze 531: case ROFFT_BODY:
1.239 schwarze 532: p->flags |= TERMP_NOSPACE | TERMP_NONEWLINE;
1.227 schwarze 533: break;
1.22 kristaps 534: default:
1.227 schwarze 535: abort();
1.22 kristaps 536: }
1.18 kristaps 537:
1.94 schwarze 538: /* Calculate the offset from the optional second argument. */
1.163 schwarze 539: if ((nn = n->parent->head->child) != NULL &&
540: (nn = nn->next) != NULL &&
1.204 schwarze 541: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 542: len = term_hen(p, &su);
1.163 schwarze 543: if (len < 0 && (size_t)(-len) > mt->offset)
544: len = -mt->offset;
1.164 schwarze 545: else if (len > SHRT_MAX)
546: len = term_len(p, p->defindent);
547: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 548: } else
549: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 550:
1.22 kristaps 551: switch (n->type) {
1.171 schwarze 552: case ROFFT_HEAD:
1.203 schwarze 553: p->tcol->offset = mt->offset;
554: p->tcol->rmargin = mt->offset + len;
1.235 schwarze 555: if (n->child != NULL)
1.135 schwarze 556: print_man_node(p, mt, n->child, meta);
1.185 schwarze 557: return 0;
1.171 schwarze 558: case ROFFT_BODY:
1.203 schwarze 559: p->tcol->offset = mt->offset + len;
560: p->tcol->rmargin = p->maxrmargin;
1.23 kristaps 561: break;
1.22 kristaps 562: default:
1.227 schwarze 563: abort();
1.18 kristaps 564: }
1.185 schwarze 565: return 1;
1.22 kristaps 566: }
1.18 kristaps 567:
1.22 kristaps 568: static void
569: post_IP(DECL_ARGS)
570: {
571: switch (n->type) {
1.227 schwarze 572: case ROFFT_BLOCK:
573: break;
1.171 schwarze 574: case ROFFT_HEAD:
1.22 kristaps 575: term_flushln(p);
576: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 577: p->trailspace = 0;
1.203 schwarze 578: p->tcol->rmargin = p->maxrmargin;
1.22 kristaps 579: break;
1.171 schwarze 580: case ROFFT_BODY:
1.94 schwarze 581: term_newln(p);
1.203 schwarze 582: p->tcol->offset = mt->offset;
1.22 kristaps 583: break;
584: default:
1.227 schwarze 585: abort();
1.22 kristaps 586: }
1.4 kristaps 587: }
588:
589: static int
1.1 kristaps 590: pre_TP(DECL_ARGS)
591: {
1.163 schwarze 592: struct roffsu su;
1.172 schwarze 593: struct roff_node *nn;
1.225 schwarze 594: int len;
1.1 kristaps 595:
1.21 kristaps 596: switch (n->type) {
1.227 schwarze 597: case ROFFT_BLOCK:
598: if (n->tok == MAN_TP)
599: print_bvspace(p, n, mt->pardist);
600: return 1;
1.171 schwarze 601: case ROFFT_HEAD:
1.184 schwarze 602: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 603: p->trailspace = 1;
1.21 kristaps 604: break;
1.171 schwarze 605: case ROFFT_BODY:
1.239 schwarze 606: p->flags |= TERMP_NOSPACE | TERMP_NONEWLINE;
1.23 kristaps 607: break;
608: default:
1.227 schwarze 609: abort();
1.23 kristaps 610: }
611:
612: /* Calculate offset. */
613:
1.163 schwarze 614: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 615: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.204 schwarze 616: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 617: len = term_hen(p, &su);
1.163 schwarze 618: if (len < 0 && (size_t)(-len) > mt->offset)
619: len = -mt->offset;
1.164 schwarze 620: else if (len > SHRT_MAX)
621: len = term_len(p, p->defindent);
622: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 623: } else
624: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 625:
626: switch (n->type) {
1.171 schwarze 627: case ROFFT_HEAD:
1.203 schwarze 628: p->tcol->offset = mt->offset;
629: p->tcol->rmargin = mt->offset + len;
1.23 kristaps 630:
631: /* Don't print same-line elements. */
1.141 schwarze 632: nn = n->child;
1.227 schwarze 633: while (nn != NULL && (nn->flags & NODE_LINE) == 0)
1.141 schwarze 634: nn = nn->next;
1.232 schwarze 635:
1.227 schwarze 636: while (nn != NULL) {
1.141 schwarze 637: print_man_node(p, mt, nn, meta);
638: nn = nn->next;
639: }
1.185 schwarze 640: return 0;
1.171 schwarze 641: case ROFFT_BODY:
1.203 schwarze 642: p->tcol->offset = mt->offset + len;
643: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 644: p->trailspace = 0;
1.184 schwarze 645: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 646: break;
647: default:
1.227 schwarze 648: abort();
1.21 kristaps 649: }
1.185 schwarze 650: return 1;
1.21 kristaps 651: }
1.1 kristaps 652:
1.21 kristaps 653: static void
654: post_TP(DECL_ARGS)
655: {
656: switch (n->type) {
1.227 schwarze 657: case ROFFT_BLOCK:
658: break;
1.171 schwarze 659: case ROFFT_HEAD:
1.21 kristaps 660: term_flushln(p);
661: break;
1.171 schwarze 662: case ROFFT_BODY:
1.94 schwarze 663: term_newln(p);
1.203 schwarze 664: p->tcol->offset = mt->offset;
1.21 kristaps 665: break;
666: default:
1.227 schwarze 667: abort();
1.21 kristaps 668: }
1.1 kristaps 669: }
670:
671: static int
672: pre_SS(DECL_ARGS)
673: {
1.134 schwarze 674: int i;
1.1 kristaps 675:
1.19 kristaps 676: switch (n->type) {
1.171 schwarze 677: case ROFFT_BLOCK:
1.244 ! schwarze 678: mt->lmargin[mt->lmargincur] = term_len(p, 7);
1.122 schwarze 679: mt->offset = term_len(p, p->defindent);
1.158 schwarze 680:
681: /*
682: * No vertical space before the first subsection
683: * and after an empty subsection.
684: */
685:
1.234 schwarze 686: if ((n = roff_node_prev(n)) == NULL ||
687: (n->tok == MAN_SS && roff_node_child(n->body) == NULL))
1.24 kristaps 688: break;
1.158 schwarze 689:
1.134 schwarze 690: for (i = 0; i < mt->pardist; i++)
691: term_vspace(p);
1.19 kristaps 692: break;
1.171 schwarze 693: case ROFFT_HEAD:
1.52 kristaps 694: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 695: p->tcol->offset = term_len(p, 3);
696: p->tcol->rmargin = mt->offset;
1.176 schwarze 697: p->trailspace = mt->offset;
698: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 699: break;
1.171 schwarze 700: case ROFFT_BODY:
1.203 schwarze 701: p->tcol->offset = mt->offset;
702: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 703: p->trailspace = 0;
704: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 705: break;
1.19 kristaps 706: default:
707: break;
708: }
1.185 schwarze 709: return 1;
1.1 kristaps 710: }
711:
712: static int
713: pre_SH(DECL_ARGS)
714: {
1.134 schwarze 715: int i;
1.22 kristaps 716:
1.19 kristaps 717: switch (n->type) {
1.171 schwarze 718: case ROFFT_BLOCK:
1.244 ! schwarze 719: mt->lmargin[mt->lmargincur] = term_len(p, 7);
1.122 schwarze 720: mt->offset = term_len(p, p->defindent);
1.158 schwarze 721:
722: /*
723: * No vertical space before the first section
724: * and after an empty section.
725: */
726:
1.234 schwarze 727: if ((n = roff_node_prev(n)) == NULL ||
728: (n->tok == MAN_SH && roff_node_child(n->body) == NULL))
1.61 kristaps 729: break;
1.158 schwarze 730:
1.134 schwarze 731: for (i = 0; i < mt->pardist; i++)
732: term_vspace(p);
1.19 kristaps 733: break;
1.171 schwarze 734: case ROFFT_HEAD:
1.52 kristaps 735: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 736: p->tcol->offset = 0;
737: p->tcol->rmargin = mt->offset;
1.176 schwarze 738: p->trailspace = mt->offset;
739: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 740: break;
1.171 schwarze 741: case ROFFT_BODY:
1.203 schwarze 742: p->tcol->offset = mt->offset;
743: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 744: p->trailspace = 0;
745: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 746: break;
747: default:
1.227 schwarze 748: abort();
1.19 kristaps 749: }
1.185 schwarze 750: return 1;
1.1 kristaps 751: }
752:
753: static void
754: post_SH(DECL_ARGS)
755: {
1.19 kristaps 756: switch (n->type) {
1.227 schwarze 757: case ROFFT_BLOCK:
758: break;
1.171 schwarze 759: case ROFFT_HEAD:
760: case ROFFT_BODY:
1.19 kristaps 761: term_newln(p);
762: break;
763: default:
1.227 schwarze 764: abort();
1.19 kristaps 765: }
1.1 kristaps 766: }
767:
1.26 kristaps 768: static int
769: pre_RS(DECL_ARGS)
770: {
1.163 schwarze 771: struct roffsu su;
1.26 kristaps 772:
773: switch (n->type) {
1.171 schwarze 774: case ROFFT_BLOCK:
1.26 kristaps 775: term_newln(p);
1.185 schwarze 776: return 1;
1.171 schwarze 777: case ROFFT_HEAD:
1.185 schwarze 778: return 0;
1.227 schwarze 779: case ROFFT_BODY:
780: break;
1.26 kristaps 781: default:
1.227 schwarze 782: abort();
1.26 kristaps 783: }
784:
1.165 schwarze 785: n = n->parent->head;
786: n->aux = SHRT_MAX + 1;
1.177 schwarze 787: if (n->child == NULL)
788: n->aux = mt->lmargin[mt->lmargincur];
1.204 schwarze 789: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.205 schwarze 790: n->aux = term_hen(p, &su);
1.165 schwarze 791: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
792: n->aux = -mt->offset;
793: else if (n->aux > SHRT_MAX)
794: n->aux = term_len(p, p->defindent);
1.26 kristaps 795:
1.165 schwarze 796: mt->offset += n->aux;
1.203 schwarze 797: p->tcol->offset = mt->offset;
798: p->tcol->rmargin = p->maxrmargin;
1.26 kristaps 799:
1.116 schwarze 800: if (++mt->lmarginsz < MAXMARGINS)
801: mt->lmargincur = mt->lmarginsz;
802:
1.244 ! schwarze 803: mt->lmargin[mt->lmargincur] = term_len(p, 7);
1.185 schwarze 804: return 1;
1.26 kristaps 805: }
806:
807: static void
808: post_RS(DECL_ARGS)
809: {
810: switch (n->type) {
1.171 schwarze 811: case ROFFT_BLOCK:
812: case ROFFT_HEAD:
1.110 kristaps 813: return;
1.227 schwarze 814: case ROFFT_BODY:
815: break;
1.26 kristaps 816: default:
1.227 schwarze 817: abort();
1.26 kristaps 818: }
1.227 schwarze 819: term_newln(p);
1.165 schwarze 820: mt->offset -= n->parent->head->aux;
1.203 schwarze 821: p->tcol->offset = mt->offset;
1.116 schwarze 822: if (--mt->lmarginsz < MAXMARGINS)
823: mt->lmargincur = mt->lmarginsz;
1.215 schwarze 824: }
825:
826: static int
827: pre_SY(DECL_ARGS)
828: {
829: const struct roff_node *nn;
830: int len;
831:
832: switch (n->type) {
833: case ROFFT_BLOCK:
1.234 schwarze 834: if ((nn = roff_node_prev(n)) == NULL || nn->tok != MAN_SY)
1.217 schwarze 835: print_bvspace(p, n, mt->pardist);
1.215 schwarze 836: return 1;
837: case ROFFT_HEAD:
838: case ROFFT_BODY:
839: break;
840: default:
841: abort();
842: }
843:
844: nn = n->parent->head->child;
1.219 schwarze 845: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.215 schwarze 846:
847: switch (n->type) {
848: case ROFFT_HEAD:
849: p->tcol->offset = mt->offset;
850: p->tcol->rmargin = mt->offset + len;
1.228 schwarze 851: if (n->next->child == NULL ||
852: (n->next->child->flags & NODE_NOFILL) == 0)
853: p->flags |= TERMP_NOBREAK;
1.215 schwarze 854: term_fontrepl(p, TERMFONT_BOLD);
855: break;
856: case ROFFT_BODY:
857: mt->lmargin[mt->lmargincur] = len;
858: p->tcol->offset = mt->offset + len;
859: p->tcol->rmargin = p->maxrmargin;
860: p->flags |= TERMP_NOSPACE;
861: break;
862: default:
863: abort();
864: }
865: return 1;
866: }
867:
868: static void
869: post_SY(DECL_ARGS)
870: {
871: switch (n->type) {
1.227 schwarze 872: case ROFFT_BLOCK:
873: break;
1.215 schwarze 874: case ROFFT_HEAD:
875: term_flushln(p);
876: p->flags &= ~TERMP_NOBREAK;
877: break;
878: case ROFFT_BODY:
879: term_newln(p);
880: p->tcol->offset = mt->offset;
881: break;
882: default:
1.227 schwarze 883: abort();
1.215 schwarze 884: }
1.137 schwarze 885: }
886:
887: static int
888: pre_UR(DECL_ARGS)
889: {
1.185 schwarze 890: return n->type != ROFFT_HEAD;
1.137 schwarze 891: }
892:
893: static void
894: post_UR(DECL_ARGS)
895: {
1.171 schwarze 896: if (n->type != ROFFT_BLOCK)
1.137 schwarze 897: return;
898:
899: term_word(p, "<");
900: p->flags |= TERMP_NOSPACE;
901:
1.227 schwarze 902: if (n->child->child != NULL)
1.137 schwarze 903: print_man_node(p, mt, n->child->child, meta);
904:
905: p->flags |= TERMP_NOSPACE;
906: term_word(p, ">");
1.26 kristaps 907: }
908:
1.1 kristaps 909: static void
1.45 kristaps 910: print_man_node(DECL_ARGS)
1.1 kristaps 911: {
1.214 schwarze 912: const struct man_term_act *act;
913: int c;
1.1 kristaps 914:
1.239 schwarze 915: /*
916: * In no-fill mode, break the output line at the beginning
917: * of new input lines except after \c, and nowhere else.
918: */
919:
920: if (n->flags & NODE_NOFILL) {
921: if (n->flags & NODE_LINE &&
922: (p->flags & TERMP_NONEWLINE) == 0)
923: term_newln(p);
924: p->flags |= TERMP_BRNEVER;
1.240 schwarze 925: } else {
926: if (n->flags & NODE_LINE)
927: term_tab_ref(p);
1.239 schwarze 928: p->flags &= ~TERMP_BRNEVER;
1.240 schwarze 929: }
1.239 schwarze 930:
1.235 schwarze 931: if (n->flags & NODE_ID)
932: term_tag_write(n, p->line);
933:
1.1 kristaps 934: switch (n->type) {
1.171 schwarze 935: case ROFFT_TEXT:
1.97 kristaps 936: /*
937: * If we have a blank line, output a vertical space.
938: * If we have a space as the first character, break
939: * before printing the line's data.
940: */
1.200 schwarze 941: if (*n->string == '\0') {
1.207 schwarze 942: if (p->flags & TERMP_NONEWLINE)
943: term_newln(p);
944: else
945: term_vspace(p);
1.98 schwarze 946: return;
1.200 schwarze 947: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
948: (p->flags & TERMP_NONEWLINE) == 0)
1.96 kristaps 949: term_newln(p);
1.212 schwarze 950: else if (n->flags & NODE_DELIMC)
951: p->flags |= TERMP_NOSPACE;
1.54 kristaps 952:
1.4 kristaps 953: term_word(p, n->string);
1.130 schwarze 954: goto out;
1.210 schwarze 955: case ROFFT_COMMENT:
956: return;
1.171 schwarze 957: case ROFFT_EQN:
1.188 schwarze 958: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 959: p->flags |= TERMP_NOSPACE;
1.115 kristaps 960: term_eqn(p, n->eqn);
1.188 schwarze 961: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 962: p->flags |= TERMP_NOSPACE;
1.97 kristaps 963: return;
1.171 schwarze 964: case ROFFT_TBL:
1.169 schwarze 965: if (p->tbl.cols == NULL)
1.241 schwarze 966: term_newln(p);
1.92 kristaps 967: term_tbl(p, n->span);
1.97 kristaps 968: return;
1.1 kristaps 969: default:
970: break;
971: }
1.224 schwarze 972:
1.193 schwarze 973: if (n->tok < ROFF_MAX) {
1.194 schwarze 974: roff_term_pre(p, n);
1.193 schwarze 975: return;
976: }
977:
1.214 schwarze 978: act = man_term_act(n->tok);
1.220 schwarze 979: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 980: term_fontrepl(p, TERMFONT_NONE);
981:
982: c = 1;
1.214 schwarze 983: if (act->pre != NULL)
984: c = (*act->pre)(p, mt, n, meta);
1.97 kristaps 985:
1.227 schwarze 986: if (c && n->child != NULL)
1.135 schwarze 987: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 988:
1.214 schwarze 989: if (act->post != NULL)
990: (*act->post)(p, mt, n, meta);
1.220 schwarze 991: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 992: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 993:
1.130 schwarze 994: out:
1.239 schwarze 995: if (n->parent->tok == MAN_HP && n->parent->type == ROFFT_BODY &&
996: n->prev == NULL && n->flags & NODE_NOFILL) {
997: term_newln(p);
998: p->tcol->offset = p->tcol->rmargin;
999: p->tcol->rmargin = p->maxrmargin;
1.130 schwarze 1000: }
1.227 schwarze 1001: if (n->flags & NODE_EOS)
1.63 kristaps 1002: p->flags |= TERMP_SENTENCE;
1.1 kristaps 1003: }
1004:
1005: static void
1.52 kristaps 1006: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1007: {
1.168 schwarze 1008: while (n != NULL) {
1009: print_man_node(p, mt, n, meta);
1010: n = n->next;
1011: }
1.1 kristaps 1012: }
1013:
1.31 kristaps 1014: static void
1.173 schwarze 1015: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1016: {
1.147 schwarze 1017: char *title;
1.156 schwarze 1018: size_t datelen, titlen;
1.73 kristaps 1019:
1.125 schwarze 1020: assert(meta->title);
1021: assert(meta->msec);
1022: assert(meta->date);
1.1 kristaps 1023:
1.52 kristaps 1024: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1025:
1.149 schwarze 1026: if (meta->hasbody)
1027: term_vspace(p);
1.126 schwarze 1028:
1029: /*
1030: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1031: * In the bottom right corner, use the operating system
1032: * instead of the title.
1.126 schwarze 1033: */
1034:
1035: if ( ! p->mdocstyle) {
1.147 schwarze 1036: mandoc_asprintf(&title, "%s(%s)",
1037: meta->title, meta->msec);
1.227 schwarze 1038: } else if (meta->os != NULL) {
1.173 schwarze 1039: title = mandoc_strdup(meta->os);
1.126 schwarze 1040: } else {
1.147 schwarze 1041: title = mandoc_strdup("");
1.126 schwarze 1042: }
1.125 schwarze 1043: datelen = term_strlen(p, meta->date);
1.1 kristaps 1044:
1.173 schwarze 1045: /* Bottom left corner: operating system. */
1.126 schwarze 1046:
1.1 kristaps 1047: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1048: p->trailspace = 1;
1.203 schwarze 1049: p->tcol->offset = 0;
1050: p->tcol->rmargin = p->maxrmargin > datelen ?
1.156 schwarze 1051: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1052:
1.173 schwarze 1053: if (meta->os)
1054: term_word(p, meta->os);
1.1 kristaps 1055: term_flushln(p);
1056:
1.126 schwarze 1057: /* At the bottom in the middle: manual date. */
1058:
1.203 schwarze 1059: p->tcol->offset = p->tcol->rmargin;
1.156 schwarze 1060: titlen = term_strlen(p, title);
1.203 schwarze 1061: p->tcol->rmargin = p->maxrmargin > titlen ?
1062: p->maxrmargin - titlen : 0;
1.117 schwarze 1063: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1064:
1.125 schwarze 1065: term_word(p, meta->date);
1.123 schwarze 1066: term_flushln(p);
1067:
1.126 schwarze 1068: /* Bottom right corner: manual title and section. */
1069:
1.123 schwarze 1070: p->flags &= ~TERMP_NOBREAK;
1071: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1072: p->trailspace = 0;
1.203 schwarze 1073: p->tcol->offset = p->tcol->rmargin;
1074: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1075:
1.123 schwarze 1076: term_word(p, title);
1.1 kristaps 1077: term_flushln(p);
1.211 schwarze 1078:
1079: /*
1080: * Reset the terminal state for more output after the footer:
1081: * Some output modes, in particular PostScript and PDF, print
1082: * the header and the footer into a buffer such that it can be
1083: * reused for multiple output pages, then go on to format the
1084: * main text.
1085: */
1086:
1087: p->tcol->offset = 0;
1088: p->flags = 0;
1089:
1.147 schwarze 1090: free(title);
1.1 kristaps 1091: }
1092:
1.31 kristaps 1093: static void
1.173 schwarze 1094: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1095: {
1.148 schwarze 1096: const char *volume;
1.147 schwarze 1097: char *title;
1.148 schwarze 1098: size_t vollen, titlen;
1.73 kristaps 1099:
1.135 schwarze 1100: assert(meta->title);
1101: assert(meta->msec);
1.1 kristaps 1102:
1.148 schwarze 1103: volume = NULL == meta->vol ? "" : meta->vol;
1104: vollen = term_strlen(p, volume);
1.1 kristaps 1105:
1.126 schwarze 1106: /* Top left corner: manual title and section. */
1107:
1.147 schwarze 1108: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1109: titlen = term_strlen(p, title);
1.1 kristaps 1110:
1.118 schwarze 1111: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1112: p->trailspace = 1;
1.203 schwarze 1113: p->tcol->offset = 0;
1114: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.148 schwarze 1115: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1116: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1117:
1118: term_word(p, title);
1119: term_flushln(p);
1120:
1.126 schwarze 1121: /* At the top in the middle: manual volume. */
1122:
1.117 schwarze 1123: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1124: p->tcol->offset = p->tcol->rmargin;
1125: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1126: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1127:
1.148 schwarze 1128: term_word(p, volume);
1.1 kristaps 1129: term_flushln(p);
1130:
1.126 schwarze 1131: /* Top right corner: title and section, again. */
1132:
1.1 kristaps 1133: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1134: p->trailspace = 0;
1.203 schwarze 1135: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1136: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1137: p->tcol->offset = p->tcol->rmargin;
1138: p->tcol->rmargin = p->maxrmargin;
1.57 kristaps 1139: term_word(p, title);
1140: term_flushln(p);
1141: }
1.1 kristaps 1142:
1.118 schwarze 1143: p->flags &= ~TERMP_NOSPACE;
1.203 schwarze 1144: p->tcol->offset = 0;
1145: p->tcol->rmargin = p->maxrmargin;
1.61 kristaps 1146:
1.146 schwarze 1147: /*
1.126 schwarze 1148: * Groff prints three blank lines before the content.
1149: * Do the same, except in the temporary, undocumented
1150: * mode imitating mdoc(7) output.
1.62 kristaps 1151: */
1152:
1.61 kristaps 1153: term_vspace(p);
1.147 schwarze 1154: free(title);
1.1 kristaps 1155: }
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