Annotation of mandoc/man_term.c, Revision 1.235
1.235 ! schwarze 1: /* $Id$ */
1.1 kristaps 2: /*
1.235 ! schwarze 3: * Copyright (c) 2010-2015, 2017-2020 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);
1.127 kristaps 77: static int pre_OP(DECL_ARGS);
1.134 schwarze 78: static int pre_PD(DECL_ARGS);
1.1 kristaps 79: static int pre_PP(DECL_ARGS);
1.26 kristaps 80: static int pre_RS(DECL_ARGS);
1.1 kristaps 81: static int pre_SH(DECL_ARGS);
82: static int pre_SS(DECL_ARGS);
1.215 schwarze 83: static int pre_SY(DECL_ARGS);
1.1 kristaps 84: static int pre_TP(DECL_ARGS);
1.137 schwarze 85: static int pre_UR(DECL_ARGS);
1.221 schwarze 86: static int pre_abort(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 */
1.221 schwarze 106: { pre_abort, NULL, 0 }, /* LP */
1.56 kristaps 107: { pre_PP, NULL, 0 }, /* PP */
1.221 schwarze 108: { pre_abort, 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 */
1.199 schwarze 124: { pre_DT, NULL, 0 }, /* DT */
1.158 schwarze 125: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 126: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.70 joerg 127: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 128: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.215 schwarze 129: { pre_SY, post_SY, 0 }, /* SY */
130: { NULL, NULL, 0 }, /* YS */
1.127 kristaps 131: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 132: { pre_literal, NULL, 0 }, /* EX */
133: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 134: { pre_UR, post_UR, 0 }, /* UR */
135: { NULL, NULL, 0 }, /* UE */
1.208 schwarze 136: { pre_UR, post_UR, 0 }, /* MT */
137: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 138: };
1.214 schwarze 139: static const struct man_term_act *man_term_act(enum roff_tok);
1.1 kristaps 140:
141:
1.214 schwarze 142: static const struct man_term_act *
143: man_term_act(enum roff_tok tok)
144: {
145: assert(tok >= MAN_TH && tok <= MAN_MAX);
146: return man_term_acts + (tok - MAN_TH);
147: }
148:
1.31 kristaps 149: void
1.223 schwarze 150: terminal_man(void *arg, const struct roff_meta *man)
1.1 kristaps 151: {
1.227 schwarze 152: struct mtermp mt;
1.36 kristaps 153: struct termp *p;
1.229 schwarze 154: struct roff_node *n, *nc, *nn;
1.189 schwarze 155: size_t save_defindent;
1.36 kristaps 156:
157: p = (struct termp *)arg;
1.206 schwarze 158: save_defindent = p->defindent;
159: if (p->synopsisonly == 0 && p->defindent == 0)
160: p->defindent = 7;
1.203 schwarze 161: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.198 schwarze 162: term_tab_set(p, NULL);
163: term_tab_set(p, "T");
164: term_tab_set(p, ".5i");
1.36 kristaps 165:
1.227 schwarze 166: memset(&mt, 0, sizeof(mt));
1.122 schwarze 167: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
168: mt.offset = term_len(p, p->defindent);
1.134 schwarze 169: mt.pardist = 1;
1.24 kristaps 170:
1.181 schwarze 171: n = man->first->child;
1.151 schwarze 172: if (p->synopsisonly) {
1.229 schwarze 173: for (nn = NULL; n != NULL; n = n->next) {
174: if (n->tok != MAN_SH)
175: continue;
176: nc = n->child->child;
177: if (nc->type != ROFFT_TEXT)
178: continue;
179: if (strcmp(nc->string, "SYNOPSIS") == 0)
1.151 schwarze 180: break;
1.229 schwarze 181: if (nn == NULL && strcmp(nc->string, "NAME") == 0)
182: nn = n;
1.151 schwarze 183: }
1.229 schwarze 184: if (n == NULL)
185: n = nn;
186: p->flags |= TERMP_NOSPACE;
187: if (n != NULL && (n = n->child->next->child) != NULL)
188: print_man_nodelist(p, &mt, n, man);
189: term_newln(p);
1.151 schwarze 190: } else {
1.223 schwarze 191: term_begin(p, print_man_head, print_man_foot, man);
1.151 schwarze 192: p->flags |= TERMP_NOSPACE;
193: if (n != NULL)
1.223 schwarze 194: print_man_nodelist(p, &mt, n, man);
1.151 schwarze 195: term_end(p);
196: }
1.206 schwarze 197: p->defindent = save_defindent;
1.1 kristaps 198: }
199:
1.111 kristaps 200: /*
201: * Printing leading vertical space before a block.
202: * This is used for the paragraph macros.
203: * The rules are pretty simple, since there's very little nesting going
204: * on here. Basically, if we're the first within another block (SS/SH),
205: * then don't emit vertical space. If we are (RS), then do. If not the
206: * first, print it.
207: */
1.39 kristaps 208: static void
1.234 schwarze 209: print_bvspace(struct termp *p, struct roff_node *n, int pardist)
1.18 kristaps 210: {
1.234 schwarze 211: struct roff_node *nch;
212: int i;
1.111 kristaps 213:
1.39 kristaps 214: term_newln(p);
1.101 schwarze 215:
1.234 schwarze 216: if (n->body != NULL &&
217: (nch = roff_node_child(n->body)) != NULL &&
218: nch->type == ROFFT_TBL)
219: return;
220:
221: if (n->parent->tok != MAN_RS && roff_node_prev(n) == NULL)
222: return;
1.18 kristaps 223:
1.134 schwarze 224: for (i = 0; i < pardist; i++)
225: term_vspace(p);
1.18 kristaps 226: }
227:
1.221 schwarze 228:
229: static int
230: pre_abort(DECL_ARGS)
231: {
232: abort();
233: }
1.146 schwarze 234:
1.1 kristaps 235: static int
1.29 kristaps 236: pre_ign(DECL_ARGS)
237: {
1.185 schwarze 238: return 0;
1.29 kristaps 239: }
240:
241: static int
1.1 kristaps 242: pre_I(DECL_ARGS)
243: {
1.52 kristaps 244: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 245: return 1;
1.19 kristaps 246: }
247:
1.3 kristaps 248: static int
1.84 kristaps 249: pre_literal(DECL_ARGS)
1.19 kristaps 250: {
1.81 kristaps 251: term_newln(p);
1.88 kristaps 252:
1.117 schwarze 253: /*
254: * Unlike .IP and .TP, .HP does not have a HEAD.
255: * So in case a second call to term_flushln() is needed,
256: * indentation has to be set up explicitly.
257: */
1.203 schwarze 258: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
259: p->tcol->offset = p->tcol->rmargin;
260: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 261: p->trailspace = 0;
1.145 schwarze 262: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 263: p->flags |= TERMP_NOSPACE;
264: }
1.185 schwarze 265: return 0;
1.19 kristaps 266: }
267:
268: static int
1.134 schwarze 269: pre_PD(DECL_ARGS)
270: {
1.160 schwarze 271: struct roffsu su;
1.134 schwarze 272:
273: n = n->child;
1.160 schwarze 274: if (n == NULL) {
1.134 schwarze 275: mt->pardist = 1;
1.185 schwarze 276: return 0;
1.134 schwarze 277: }
1.171 schwarze 278: assert(n->type == ROFFT_TEXT);
1.204 schwarze 279: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.160 schwarze 280: mt->pardist = term_vspan(p, &su);
1.185 schwarze 281: return 0;
1.134 schwarze 282: }
283:
284: static int
1.88 kristaps 285: pre_alternate(DECL_ARGS)
1.3 kristaps 286: {
1.88 kristaps 287: enum termfont font[2];
1.172 schwarze 288: struct roff_node *nn;
1.225 schwarze 289: int i;
1.3 kristaps 290:
1.88 kristaps 291: switch (n->tok) {
1.146 schwarze 292: case MAN_RB:
1.88 kristaps 293: font[0] = TERMFONT_NONE;
294: font[1] = TERMFONT_BOLD;
295: break;
1.146 schwarze 296: case MAN_RI:
1.88 kristaps 297: font[0] = TERMFONT_NONE;
298: font[1] = TERMFONT_UNDER;
299: break;
1.146 schwarze 300: case MAN_BR:
1.88 kristaps 301: font[0] = TERMFONT_BOLD;
302: font[1] = TERMFONT_NONE;
303: break;
1.146 schwarze 304: case MAN_BI:
1.88 kristaps 305: font[0] = TERMFONT_BOLD;
306: font[1] = TERMFONT_UNDER;
307: break;
1.146 schwarze 308: case MAN_IR:
1.88 kristaps 309: font[0] = TERMFONT_UNDER;
310: font[1] = TERMFONT_NONE;
311: break;
1.146 schwarze 312: case MAN_IB:
1.88 kristaps 313: font[0] = TERMFONT_UNDER;
314: font[1] = TERMFONT_BOLD;
315: break;
316: default:
317: abort();
318: }
1.225 schwarze 319: for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i = 1 - i) {
1.88 kristaps 320: term_fontrepl(p, font[i]);
1.179 schwarze 321: assert(nn->type == ROFFT_TEXT);
322: term_word(p, nn->string);
1.188 schwarze 323: if (nn->flags & NODE_EOS)
1.230 schwarze 324: p->flags |= TERMP_SENTENCE;
1.227 schwarze 325: if (nn->next != NULL)
1.4 kristaps 326: p->flags |= TERMP_NOSPACE;
1.3 kristaps 327: }
1.185 schwarze 328: return 0;
1.3 kristaps 329: }
330:
1.1 kristaps 331: static int
332: pre_B(DECL_ARGS)
333: {
1.52 kristaps 334: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 335: return 1;
1.127 kristaps 336: }
337:
338: static int
339: pre_OP(DECL_ARGS)
340: {
341: term_word(p, "[");
1.216 schwarze 342: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.127 kristaps 343:
1.227 schwarze 344: if ((n = n->child) != NULL) {
1.127 kristaps 345: term_fontrepl(p, TERMFONT_BOLD);
346: term_word(p, n->string);
347: }
1.227 schwarze 348: if (n != NULL && n->next != NULL) {
1.127 kristaps 349: term_fontrepl(p, TERMFONT_UNDER);
350: term_word(p, n->next->string);
351: }
352: term_fontrepl(p, TERMFONT_NONE);
1.216 schwarze 353: p->flags &= ~TERMP_KEEP;
1.127 kristaps 354: p->flags |= TERMP_NOSPACE;
355: term_word(p, "]");
1.185 schwarze 356: return 0;
1.83 kristaps 357: }
358:
359: static int
360: pre_in(DECL_ARGS)
361: {
1.163 schwarze 362: struct roffsu su;
363: const char *cp;
1.83 kristaps 364: size_t v;
1.163 schwarze 365: int less;
1.83 kristaps 366:
367: term_newln(p);
368:
1.203 schwarze 369: if (n->child == NULL) {
370: p->tcol->offset = mt->offset;
1.185 schwarze 371: return 0;
1.83 kristaps 372: }
373:
374: cp = n->child->string;
375: less = 0;
376:
1.227 schwarze 377: if (*cp == '-')
1.83 kristaps 378: less = -1;
1.227 schwarze 379: else if (*cp == '+')
1.83 kristaps 380: less = 1;
381: else
382: cp--;
383:
1.204 schwarze 384: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.185 schwarze 385: return 0;
1.83 kristaps 386:
1.205 schwarze 387: v = term_hen(p, &su);
1.83 kristaps 388:
389: if (less < 0)
1.203 schwarze 390: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.83 kristaps 391: else if (less > 0)
1.203 schwarze 392: p->tcol->offset += v;
1.146 schwarze 393: else
1.203 schwarze 394: p->tcol->offset = v;
395: if (p->tcol->offset > SHRT_MAX)
396: p->tcol->offset = term_len(p, p->defindent);
1.19 kristaps 397:
1.199 schwarze 398: return 0;
399: }
400:
401: static int
402: pre_DT(DECL_ARGS)
403: {
404: term_tab_set(p, NULL);
405: term_tab_set(p, "T");
406: term_tab_set(p, ".5i");
1.185 schwarze 407: return 0;
1.15 kristaps 408: }
409:
410: static int
1.19 kristaps 411: pre_HP(DECL_ARGS)
412: {
1.163 schwarze 413: struct roffsu su;
1.172 schwarze 414: const struct roff_node *nn;
1.163 schwarze 415: int len;
1.19 kristaps 416:
1.20 kristaps 417: switch (n->type) {
1.171 schwarze 418: case ROFFT_BLOCK:
1.134 schwarze 419: print_bvspace(p, n, mt->pardist);
1.185 schwarze 420: return 1;
1.227 schwarze 421: case ROFFT_HEAD:
422: return 0;
1.171 schwarze 423: case ROFFT_BODY:
1.20 kristaps 424: break;
425: default:
1.227 schwarze 426: abort();
1.20 kristaps 427: }
428:
1.226 schwarze 429: if (n->child == NULL)
430: return 0;
431:
432: if ((n->child->flags & NODE_NOFILL) == 0) {
1.145 schwarze 433: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 434: p->trailspace = 2;
1.130 schwarze 435: }
436:
1.24 kristaps 437: /* Calculate offset. */
438:
1.163 schwarze 439: if ((nn = n->parent->head->child) != NULL &&
1.204 schwarze 440: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 441: len = term_hen(p, &su);
1.164 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);
1.163 schwarze 446: mt->lmargin[mt->lmargincur] = len;
447: } else
448: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 449:
1.203 schwarze 450: p->tcol->offset = mt->offset;
451: p->tcol->rmargin = mt->offset + len;
1.185 schwarze 452: return 1;
1.19 kristaps 453: }
454:
1.20 kristaps 455: static void
456: post_HP(DECL_ARGS)
457: {
458: switch (n->type) {
1.227 schwarze 459: case ROFFT_BLOCK:
460: case ROFFT_HEAD:
461: break;
1.171 schwarze 462: case ROFFT_BODY:
1.136 schwarze 463: term_newln(p);
1.174 schwarze 464:
465: /*
466: * Compatibility with a groff bug.
467: * The .HP macro uses the undocumented .tag request
468: * which causes a line break and cancels no-space
469: * mode even if there isn't any output.
470: */
471:
472: if (n->child == NULL)
473: term_vspace(p);
474:
1.145 schwarze 475: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 476: p->trailspace = 0;
1.203 schwarze 477: p->tcol->offset = mt->offset;
478: p->tcol->rmargin = p->maxrmargin;
1.20 kristaps 479: break;
480: default:
1.227 schwarze 481: abort();
1.20 kristaps 482: }
483: }
484:
1.19 kristaps 485: static int
1.1 kristaps 486: pre_PP(DECL_ARGS)
487: {
1.19 kristaps 488: switch (n->type) {
1.171 schwarze 489: case ROFFT_BLOCK:
1.122 schwarze 490: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 491: print_bvspace(p, n, mt->pardist);
1.19 kristaps 492: break;
1.227 schwarze 493: case ROFFT_HEAD:
494: return 0;
495: case ROFFT_BODY:
1.203 schwarze 496: p->tcol->offset = mt->offset;
1.19 kristaps 497: break;
1.227 schwarze 498: default:
499: abort();
1.19 kristaps 500: }
1.227 schwarze 501: return 1;
1.1 kristaps 502: }
503:
504: static int
1.4 kristaps 505: pre_IP(DECL_ARGS)
506: {
1.163 schwarze 507: struct roffsu su;
1.172 schwarze 508: const struct roff_node *nn;
1.225 schwarze 509: int len;
1.18 kristaps 510:
1.22 kristaps 511: switch (n->type) {
1.227 schwarze 512: case ROFFT_BLOCK:
513: print_bvspace(p, n, mt->pardist);
514: return 1;
1.171 schwarze 515: case ROFFT_HEAD:
1.22 kristaps 516: p->flags |= TERMP_NOBREAK;
1.139 schwarze 517: p->trailspace = 1;
1.22 kristaps 518: break;
1.227 schwarze 519: case ROFFT_BODY:
520: p->flags |= TERMP_NOSPACE;
521: break;
1.22 kristaps 522: default:
1.227 schwarze 523: abort();
1.22 kristaps 524: }
1.18 kristaps 525:
1.94 schwarze 526: /* Calculate the offset from the optional second argument. */
1.163 schwarze 527: if ((nn = n->parent->head->child) != NULL &&
528: (nn = nn->next) != NULL &&
1.204 schwarze 529: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 530: len = term_hen(p, &su);
1.163 schwarze 531: if (len < 0 && (size_t)(-len) > mt->offset)
532: len = -mt->offset;
1.164 schwarze 533: else if (len > SHRT_MAX)
534: len = term_len(p, p->defindent);
535: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 536: } else
537: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 538:
1.22 kristaps 539: switch (n->type) {
1.171 schwarze 540: case ROFFT_HEAD:
1.203 schwarze 541: p->tcol->offset = mt->offset;
542: p->tcol->rmargin = mt->offset + len;
1.235 ! schwarze 543: if (n->child != NULL)
1.135 schwarze 544: print_man_node(p, mt, n->child, meta);
1.185 schwarze 545: return 0;
1.171 schwarze 546: case ROFFT_BODY:
1.203 schwarze 547: p->tcol->offset = mt->offset + len;
548: p->tcol->rmargin = p->maxrmargin;
1.23 kristaps 549: break;
1.22 kristaps 550: default:
1.227 schwarze 551: abort();
1.18 kristaps 552: }
1.185 schwarze 553: return 1;
1.22 kristaps 554: }
1.18 kristaps 555:
1.22 kristaps 556: static void
557: post_IP(DECL_ARGS)
558: {
559: switch (n->type) {
1.227 schwarze 560: case ROFFT_BLOCK:
561: break;
1.171 schwarze 562: case ROFFT_HEAD:
1.22 kristaps 563: term_flushln(p);
564: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 565: p->trailspace = 0;
1.203 schwarze 566: p->tcol->rmargin = p->maxrmargin;
1.22 kristaps 567: break;
1.171 schwarze 568: case ROFFT_BODY:
1.94 schwarze 569: term_newln(p);
1.203 schwarze 570: p->tcol->offset = mt->offset;
1.22 kristaps 571: break;
572: default:
1.227 schwarze 573: abort();
1.22 kristaps 574: }
1.4 kristaps 575: }
576:
577: static int
1.1 kristaps 578: pre_TP(DECL_ARGS)
579: {
1.163 schwarze 580: struct roffsu su;
1.172 schwarze 581: struct roff_node *nn;
1.225 schwarze 582: int len;
1.1 kristaps 583:
1.21 kristaps 584: switch (n->type) {
1.227 schwarze 585: case ROFFT_BLOCK:
586: if (n->tok == MAN_TP)
587: print_bvspace(p, n, mt->pardist);
588: return 1;
1.171 schwarze 589: case ROFFT_HEAD:
1.184 schwarze 590: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 591: p->trailspace = 1;
1.21 kristaps 592: break;
1.171 schwarze 593: case ROFFT_BODY:
1.21 kristaps 594: p->flags |= TERMP_NOSPACE;
1.23 kristaps 595: break;
596: default:
1.227 schwarze 597: abort();
1.23 kristaps 598: }
599:
600: /* Calculate offset. */
601:
1.163 schwarze 602: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 603: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.204 schwarze 604: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 605: len = term_hen(p, &su);
1.163 schwarze 606: if (len < 0 && (size_t)(-len) > mt->offset)
607: len = -mt->offset;
1.164 schwarze 608: else if (len > SHRT_MAX)
609: len = term_len(p, p->defindent);
610: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 611: } else
612: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 613:
614: switch (n->type) {
1.171 schwarze 615: case ROFFT_HEAD:
1.203 schwarze 616: p->tcol->offset = mt->offset;
617: p->tcol->rmargin = mt->offset + len;
1.23 kristaps 618:
619: /* Don't print same-line elements. */
1.141 schwarze 620: nn = n->child;
1.227 schwarze 621: while (nn != NULL && (nn->flags & NODE_LINE) == 0)
1.141 schwarze 622: nn = nn->next;
1.232 schwarze 623:
1.227 schwarze 624: while (nn != NULL) {
1.141 schwarze 625: print_man_node(p, mt, nn, meta);
626: nn = nn->next;
627: }
1.185 schwarze 628: return 0;
1.171 schwarze 629: case ROFFT_BODY:
1.203 schwarze 630: p->tcol->offset = mt->offset + len;
631: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 632: p->trailspace = 0;
1.184 schwarze 633: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 634: break;
635: default:
1.227 schwarze 636: abort();
1.21 kristaps 637: }
1.185 schwarze 638: return 1;
1.21 kristaps 639: }
1.1 kristaps 640:
1.21 kristaps 641: static void
642: post_TP(DECL_ARGS)
643: {
644: switch (n->type) {
1.227 schwarze 645: case ROFFT_BLOCK:
646: break;
1.171 schwarze 647: case ROFFT_HEAD:
1.21 kristaps 648: term_flushln(p);
649: break;
1.171 schwarze 650: case ROFFT_BODY:
1.94 schwarze 651: term_newln(p);
1.203 schwarze 652: p->tcol->offset = mt->offset;
1.21 kristaps 653: break;
654: default:
1.227 schwarze 655: abort();
1.21 kristaps 656: }
1.1 kristaps 657: }
658:
659: static int
660: pre_SS(DECL_ARGS)
661: {
1.134 schwarze 662: int i;
1.1 kristaps 663:
1.19 kristaps 664: switch (n->type) {
1.171 schwarze 665: case ROFFT_BLOCK:
1.122 schwarze 666: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
667: mt->offset = term_len(p, p->defindent);
1.158 schwarze 668:
669: /*
670: * No vertical space before the first subsection
671: * and after an empty subsection.
672: */
673:
1.234 schwarze 674: if ((n = roff_node_prev(n)) == NULL ||
675: (n->tok == MAN_SS && roff_node_child(n->body) == NULL))
1.24 kristaps 676: break;
1.158 schwarze 677:
1.134 schwarze 678: for (i = 0; i < mt->pardist; i++)
679: term_vspace(p);
1.19 kristaps 680: break;
1.171 schwarze 681: case ROFFT_HEAD:
1.52 kristaps 682: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 683: p->tcol->offset = term_len(p, 3);
684: p->tcol->rmargin = mt->offset;
1.176 schwarze 685: p->trailspace = mt->offset;
686: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 687: break;
1.171 schwarze 688: case ROFFT_BODY:
1.203 schwarze 689: p->tcol->offset = mt->offset;
690: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 691: p->trailspace = 0;
692: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 693: break;
1.19 kristaps 694: default:
695: break;
696: }
1.185 schwarze 697: return 1;
1.1 kristaps 698: }
699:
700: static int
701: pre_SH(DECL_ARGS)
702: {
1.134 schwarze 703: int i;
1.22 kristaps 704:
1.19 kristaps 705: switch (n->type) {
1.171 schwarze 706: case ROFFT_BLOCK:
1.122 schwarze 707: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
708: mt->offset = term_len(p, p->defindent);
1.158 schwarze 709:
710: /*
711: * No vertical space before the first section
712: * and after an empty section.
713: */
714:
1.234 schwarze 715: if ((n = roff_node_prev(n)) == NULL ||
716: (n->tok == MAN_SH && roff_node_child(n->body) == NULL))
1.61 kristaps 717: break;
1.158 schwarze 718:
1.134 schwarze 719: for (i = 0; i < mt->pardist; i++)
720: term_vspace(p);
1.19 kristaps 721: break;
1.171 schwarze 722: case ROFFT_HEAD:
1.52 kristaps 723: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 724: p->tcol->offset = 0;
725: p->tcol->rmargin = mt->offset;
1.176 schwarze 726: p->trailspace = mt->offset;
727: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 728: break;
1.171 schwarze 729: case ROFFT_BODY:
1.203 schwarze 730: p->tcol->offset = mt->offset;
731: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 732: p->trailspace = 0;
733: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 734: break;
735: default:
1.227 schwarze 736: abort();
1.19 kristaps 737: }
1.185 schwarze 738: return 1;
1.1 kristaps 739: }
740:
741: static void
742: post_SH(DECL_ARGS)
743: {
1.19 kristaps 744: switch (n->type) {
1.227 schwarze 745: case ROFFT_BLOCK:
746: break;
1.171 schwarze 747: case ROFFT_HEAD:
748: case ROFFT_BODY:
1.19 kristaps 749: term_newln(p);
750: break;
751: default:
1.227 schwarze 752: abort();
1.19 kristaps 753: }
1.1 kristaps 754: }
755:
1.26 kristaps 756: static int
757: pre_RS(DECL_ARGS)
758: {
1.163 schwarze 759: struct roffsu su;
1.26 kristaps 760:
761: switch (n->type) {
1.171 schwarze 762: case ROFFT_BLOCK:
1.26 kristaps 763: term_newln(p);
1.185 schwarze 764: return 1;
1.171 schwarze 765: case ROFFT_HEAD:
1.185 schwarze 766: return 0;
1.227 schwarze 767: case ROFFT_BODY:
768: break;
1.26 kristaps 769: default:
1.227 schwarze 770: abort();
1.26 kristaps 771: }
772:
1.165 schwarze 773: n = n->parent->head;
774: n->aux = SHRT_MAX + 1;
1.177 schwarze 775: if (n->child == NULL)
776: n->aux = mt->lmargin[mt->lmargincur];
1.204 schwarze 777: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.205 schwarze 778: n->aux = term_hen(p, &su);
1.165 schwarze 779: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
780: n->aux = -mt->offset;
781: else if (n->aux > SHRT_MAX)
782: n->aux = term_len(p, p->defindent);
1.26 kristaps 783:
1.165 schwarze 784: mt->offset += n->aux;
1.203 schwarze 785: p->tcol->offset = mt->offset;
786: p->tcol->rmargin = p->maxrmargin;
1.26 kristaps 787:
1.116 schwarze 788: if (++mt->lmarginsz < MAXMARGINS)
789: mt->lmargincur = mt->lmarginsz;
790:
1.178 schwarze 791: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 792: return 1;
1.26 kristaps 793: }
794:
795: static void
796: post_RS(DECL_ARGS)
797: {
798: switch (n->type) {
1.171 schwarze 799: case ROFFT_BLOCK:
800: case ROFFT_HEAD:
1.110 kristaps 801: return;
1.227 schwarze 802: case ROFFT_BODY:
803: break;
1.26 kristaps 804: default:
1.227 schwarze 805: abort();
1.26 kristaps 806: }
1.227 schwarze 807: term_newln(p);
1.165 schwarze 808: mt->offset -= n->parent->head->aux;
1.203 schwarze 809: p->tcol->offset = mt->offset;
1.116 schwarze 810: if (--mt->lmarginsz < MAXMARGINS)
811: mt->lmargincur = mt->lmarginsz;
1.215 schwarze 812: }
813:
814: static int
815: pre_SY(DECL_ARGS)
816: {
817: const struct roff_node *nn;
818: int len;
819:
820: switch (n->type) {
821: case ROFFT_BLOCK:
1.234 schwarze 822: if ((nn = roff_node_prev(n)) == NULL || nn->tok != MAN_SY)
1.217 schwarze 823: print_bvspace(p, n, mt->pardist);
1.215 schwarze 824: return 1;
825: case ROFFT_HEAD:
826: case ROFFT_BODY:
827: break;
828: default:
829: abort();
830: }
831:
832: nn = n->parent->head->child;
1.219 schwarze 833: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.215 schwarze 834:
835: switch (n->type) {
836: case ROFFT_HEAD:
837: p->tcol->offset = mt->offset;
838: p->tcol->rmargin = mt->offset + len;
1.228 schwarze 839: if (n->next->child == NULL ||
840: (n->next->child->flags & NODE_NOFILL) == 0)
841: p->flags |= TERMP_NOBREAK;
1.215 schwarze 842: term_fontrepl(p, TERMFONT_BOLD);
843: break;
844: case ROFFT_BODY:
845: mt->lmargin[mt->lmargincur] = len;
846: p->tcol->offset = mt->offset + len;
847: p->tcol->rmargin = p->maxrmargin;
848: p->flags |= TERMP_NOSPACE;
849: break;
850: default:
851: abort();
852: }
853: return 1;
854: }
855:
856: static void
857: post_SY(DECL_ARGS)
858: {
859: switch (n->type) {
1.227 schwarze 860: case ROFFT_BLOCK:
861: break;
1.215 schwarze 862: case ROFFT_HEAD:
863: term_flushln(p);
864: p->flags &= ~TERMP_NOBREAK;
865: break;
866: case ROFFT_BODY:
867: term_newln(p);
868: p->tcol->offset = mt->offset;
869: break;
870: default:
1.227 schwarze 871: abort();
1.215 schwarze 872: }
1.137 schwarze 873: }
874:
875: static int
876: pre_UR(DECL_ARGS)
877: {
1.185 schwarze 878: return n->type != ROFFT_HEAD;
1.137 schwarze 879: }
880:
881: static void
882: post_UR(DECL_ARGS)
883: {
1.171 schwarze 884: if (n->type != ROFFT_BLOCK)
1.137 schwarze 885: return;
886:
887: term_word(p, "<");
888: p->flags |= TERMP_NOSPACE;
889:
1.227 schwarze 890: if (n->child->child != NULL)
1.137 schwarze 891: print_man_node(p, mt, n->child->child, meta);
892:
893: p->flags |= TERMP_NOSPACE;
894: term_word(p, ">");
1.26 kristaps 895: }
896:
1.1 kristaps 897: static void
1.45 kristaps 898: print_man_node(DECL_ARGS)
1.1 kristaps 899: {
1.214 schwarze 900: const struct man_term_act *act;
901: int c;
1.1 kristaps 902:
1.235 ! schwarze 903: if (n->flags & NODE_ID)
! 904: term_tag_write(n, p->line);
! 905:
1.1 kristaps 906: switch (n->type) {
1.171 schwarze 907: case ROFFT_TEXT:
1.97 kristaps 908: /*
909: * If we have a blank line, output a vertical space.
910: * If we have a space as the first character, break
911: * before printing the line's data.
912: */
1.200 schwarze 913: if (*n->string == '\0') {
1.207 schwarze 914: if (p->flags & TERMP_NONEWLINE)
915: term_newln(p);
916: else
917: term_vspace(p);
1.98 schwarze 918: return;
1.200 schwarze 919: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
920: (p->flags & TERMP_NONEWLINE) == 0)
1.96 kristaps 921: term_newln(p);
1.212 schwarze 922: else if (n->flags & NODE_DELIMC)
923: p->flags |= TERMP_NOSPACE;
1.54 kristaps 924:
1.4 kristaps 925: term_word(p, n->string);
1.130 schwarze 926: goto out;
1.210 schwarze 927: case ROFFT_COMMENT:
928: return;
1.171 schwarze 929: case ROFFT_EQN:
1.188 schwarze 930: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 931: p->flags |= TERMP_NOSPACE;
1.115 kristaps 932: term_eqn(p, n->eqn);
1.188 schwarze 933: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 934: p->flags |= TERMP_NOSPACE;
1.97 kristaps 935: return;
1.171 schwarze 936: case ROFFT_TBL:
1.169 schwarze 937: if (p->tbl.cols == NULL)
938: term_vspace(p);
1.92 kristaps 939: term_tbl(p, n->span);
1.97 kristaps 940: return;
1.1 kristaps 941: default:
942: break;
943: }
1.224 schwarze 944:
1.193 schwarze 945: if (n->tok < ROFF_MAX) {
1.194 schwarze 946: roff_term_pre(p, n);
1.193 schwarze 947: return;
948: }
949:
1.214 schwarze 950: act = man_term_act(n->tok);
1.220 schwarze 951: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 952: term_fontrepl(p, TERMFONT_NONE);
953:
954: c = 1;
1.214 schwarze 955: if (act->pre != NULL)
956: c = (*act->pre)(p, mt, n, meta);
1.97 kristaps 957:
1.227 schwarze 958: if (c && n->child != NULL)
1.135 schwarze 959: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 960:
1.214 schwarze 961: if (act->post != NULL)
962: (*act->post)(p, mt, n, meta);
1.220 schwarze 963: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 964: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 965:
1.130 schwarze 966: out:
967: /*
968: * If we're in a literal context, make sure that words
969: * together on the same line stay together. This is a
970: * POST-printing call, so we check the NEXT word. Since
971: * -man doesn't have nested macros, we don't need to be
972: * more specific than this.
973: */
1.225 schwarze 974: if (n->flags & NODE_NOFILL &&
1.157 schwarze 975: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 976: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.202 schwarze 977: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.157 schwarze 978: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 979: term_flushln(p);
980: else
981: term_newln(p);
1.202 schwarze 982: p->flags &= ~TERMP_BRNEVER;
1.203 schwarze 983: if (p->tcol->rmargin < p->maxrmargin &&
984: n->parent->tok == MAN_HP) {
985: p->tcol->offset = p->tcol->rmargin;
986: p->tcol->rmargin = p->maxrmargin;
1.202 schwarze 987: }
1.130 schwarze 988: }
1.227 schwarze 989: if (n->flags & NODE_EOS)
1.63 kristaps 990: p->flags |= TERMP_SENTENCE;
1.1 kristaps 991: }
992:
993: static void
1.52 kristaps 994: print_man_nodelist(DECL_ARGS)
1.1 kristaps 995: {
1.168 schwarze 996: while (n != NULL) {
997: print_man_node(p, mt, n, meta);
998: n = n->next;
999: }
1.1 kristaps 1000: }
1001:
1.31 kristaps 1002: static void
1.173 schwarze 1003: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1004: {
1.147 schwarze 1005: char *title;
1.156 schwarze 1006: size_t datelen, titlen;
1.73 kristaps 1007:
1.125 schwarze 1008: assert(meta->title);
1009: assert(meta->msec);
1010: assert(meta->date);
1.1 kristaps 1011:
1.52 kristaps 1012: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1013:
1.149 schwarze 1014: if (meta->hasbody)
1015: term_vspace(p);
1.126 schwarze 1016:
1017: /*
1018: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1019: * In the bottom right corner, use the operating system
1020: * instead of the title.
1.126 schwarze 1021: */
1022:
1023: if ( ! p->mdocstyle) {
1.149 schwarze 1024: if (meta->hasbody) {
1025: term_vspace(p);
1026: term_vspace(p);
1027: }
1.147 schwarze 1028: mandoc_asprintf(&title, "%s(%s)",
1029: meta->title, meta->msec);
1.227 schwarze 1030: } else if (meta->os != NULL) {
1.173 schwarze 1031: title = mandoc_strdup(meta->os);
1.126 schwarze 1032: } else {
1.147 schwarze 1033: title = mandoc_strdup("");
1.126 schwarze 1034: }
1.125 schwarze 1035: datelen = term_strlen(p, meta->date);
1.1 kristaps 1036:
1.173 schwarze 1037: /* Bottom left corner: operating system. */
1.126 schwarze 1038:
1.1 kristaps 1039: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1040: p->trailspace = 1;
1.203 schwarze 1041: p->tcol->offset = 0;
1042: p->tcol->rmargin = p->maxrmargin > datelen ?
1.156 schwarze 1043: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1044:
1.173 schwarze 1045: if (meta->os)
1046: term_word(p, meta->os);
1.1 kristaps 1047: term_flushln(p);
1048:
1.126 schwarze 1049: /* At the bottom in the middle: manual date. */
1050:
1.203 schwarze 1051: p->tcol->offset = p->tcol->rmargin;
1.156 schwarze 1052: titlen = term_strlen(p, title);
1.203 schwarze 1053: p->tcol->rmargin = p->maxrmargin > titlen ?
1054: p->maxrmargin - titlen : 0;
1.117 schwarze 1055: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1056:
1.125 schwarze 1057: term_word(p, meta->date);
1.123 schwarze 1058: term_flushln(p);
1059:
1.126 schwarze 1060: /* Bottom right corner: manual title and section. */
1061:
1.123 schwarze 1062: p->flags &= ~TERMP_NOBREAK;
1063: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1064: p->trailspace = 0;
1.203 schwarze 1065: p->tcol->offset = p->tcol->rmargin;
1066: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1067:
1.123 schwarze 1068: term_word(p, title);
1.1 kristaps 1069: term_flushln(p);
1.211 schwarze 1070:
1071: /*
1072: * Reset the terminal state for more output after the footer:
1073: * Some output modes, in particular PostScript and PDF, print
1074: * the header and the footer into a buffer such that it can be
1075: * reused for multiple output pages, then go on to format the
1076: * main text.
1077: */
1078:
1079: p->tcol->offset = 0;
1080: p->flags = 0;
1081:
1.147 schwarze 1082: free(title);
1.1 kristaps 1083: }
1084:
1.31 kristaps 1085: static void
1.173 schwarze 1086: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1087: {
1.148 schwarze 1088: const char *volume;
1.147 schwarze 1089: char *title;
1.148 schwarze 1090: size_t vollen, titlen;
1.73 kristaps 1091:
1.135 schwarze 1092: assert(meta->title);
1093: assert(meta->msec);
1.1 kristaps 1094:
1.148 schwarze 1095: volume = NULL == meta->vol ? "" : meta->vol;
1096: vollen = term_strlen(p, volume);
1.1 kristaps 1097:
1.126 schwarze 1098: /* Top left corner: manual title and section. */
1099:
1.147 schwarze 1100: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1101: titlen = term_strlen(p, title);
1.1 kristaps 1102:
1.118 schwarze 1103: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1104: p->trailspace = 1;
1.203 schwarze 1105: p->tcol->offset = 0;
1106: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.148 schwarze 1107: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1108: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1109:
1110: term_word(p, title);
1111: term_flushln(p);
1112:
1.126 schwarze 1113: /* At the top in the middle: manual volume. */
1114:
1.117 schwarze 1115: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1116: p->tcol->offset = p->tcol->rmargin;
1117: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1118: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1119:
1.148 schwarze 1120: term_word(p, volume);
1.1 kristaps 1121: term_flushln(p);
1122:
1.126 schwarze 1123: /* Top right corner: title and section, again. */
1124:
1.1 kristaps 1125: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1126: p->trailspace = 0;
1.203 schwarze 1127: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1128: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1129: p->tcol->offset = p->tcol->rmargin;
1130: p->tcol->rmargin = p->maxrmargin;
1.57 kristaps 1131: term_word(p, title);
1132: term_flushln(p);
1133: }
1.1 kristaps 1134:
1.118 schwarze 1135: p->flags &= ~TERMP_NOSPACE;
1.203 schwarze 1136: p->tcol->offset = 0;
1137: p->tcol->rmargin = p->maxrmargin;
1.61 kristaps 1138:
1.146 schwarze 1139: /*
1.126 schwarze 1140: * Groff prints three blank lines before the content.
1141: * Do the same, except in the temporary, undocumented
1142: * mode imitating mdoc(7) output.
1.62 kristaps 1143: */
1144:
1.61 kristaps 1145: term_vspace(p);
1.126 schwarze 1146: if ( ! p->mdocstyle) {
1147: term_vspace(p);
1148: term_vspace(p);
1149: }
1.147 schwarze 1150: free(title);
1.1 kristaps 1151: }
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