Annotation of mandoc/man_term.c, Revision 1.225
1.225 ! schwarze 1: /* $Id: man_term.c,v 1.224 2018/12/31 07:08:12 schwarze Exp $ */
1.1 kristaps 2: /*
1.128 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.210 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
1.8 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.
1.1 kristaps 17: */
1.55 kristaps 18: #include "config.h"
19:
1.28 kristaps 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.18 kristaps 23: #include <ctype.h>
1.164 schwarze 24: #include <limits.h>
1.1 kristaps 25: #include <stdio.h>
26: #include <stdlib.h>
27: #include <string.h>
28:
1.171 schwarze 29: #include "mandoc_aux.h"
30: #include "roff.h"
31: #include "man.h"
1.40 kristaps 32: #include "out.h"
1.1 kristaps 33: #include "term.h"
1.36 kristaps 34: #include "main.h"
1.1 kristaps 35:
1.116 schwarze 36: #define MAXMARGINS 64 /* maximum number of indented scopes */
1.18 kristaps 37:
1.24 kristaps 38: struct mtermp {
1.163 schwarze 39: int lmargin[MAXMARGINS]; /* margins (incl. vis. page) */
1.116 schwarze 40: int lmargincur; /* index of current margin */
41: int lmarginsz; /* actual number of nested margins */
42: size_t offset; /* default offset to visible page */
1.134 schwarze 43: int pardist; /* vert. space before par., unit: [v] */
1.24 kristaps 44: };
1.19 kristaps 45:
1.146 schwarze 46: #define DECL_ARGS struct termp *p, \
1.24 kristaps 47: struct mtermp *mt, \
1.172 schwarze 48: struct roff_node *n, \
1.173 schwarze 49: const struct roff_meta *meta
1.1 kristaps 50:
1.214 schwarze 51: struct man_term_act {
1.1 kristaps 52: int (*pre)(DECL_ARGS);
53: void (*post)(DECL_ARGS);
1.56 kristaps 54: int flags;
55: #define MAN_NOTEXT (1 << 0) /* Never has text children. */
1.1 kristaps 56: };
57:
1.52 kristaps 58: static void print_man_nodelist(DECL_ARGS);
1.45 kristaps 59: static void print_man_node(DECL_ARGS);
1.173 schwarze 60: static void print_man_head(struct termp *,
61: const struct roff_meta *);
62: static void print_man_foot(struct termp *,
63: const struct roff_meta *);
1.146 schwarze 64: static void print_bvspace(struct termp *,
1.172 schwarze 65: const struct roff_node *, int);
1.39 kristaps 66:
1.1 kristaps 67: static int pre_B(DECL_ARGS);
1.199 schwarze 68: static int pre_DT(DECL_ARGS);
1.19 kristaps 69: static int pre_HP(DECL_ARGS);
1.1 kristaps 70: static int pre_I(DECL_ARGS);
1.4 kristaps 71: static int pre_IP(DECL_ARGS);
1.127 kristaps 72: static int pre_OP(DECL_ARGS);
1.134 schwarze 73: static int pre_PD(DECL_ARGS);
1.1 kristaps 74: static int pre_PP(DECL_ARGS);
1.26 kristaps 75: static int pre_RS(DECL_ARGS);
1.1 kristaps 76: static int pre_SH(DECL_ARGS);
77: static int pre_SS(DECL_ARGS);
1.215 schwarze 78: static int pre_SY(DECL_ARGS);
1.1 kristaps 79: static int pre_TP(DECL_ARGS);
1.137 schwarze 80: static int pre_UR(DECL_ARGS);
1.221 schwarze 81: static int pre_abort(DECL_ARGS);
1.127 kristaps 82: static int pre_alternate(DECL_ARGS);
1.29 kristaps 83: static int pre_ign(DECL_ARGS);
1.83 kristaps 84: static int pre_in(DECL_ARGS);
1.84 kristaps 85: static int pre_literal(DECL_ARGS);
1.1 kristaps 86:
1.22 kristaps 87: static void post_IP(DECL_ARGS);
1.20 kristaps 88: static void post_HP(DECL_ARGS);
1.26 kristaps 89: static void post_RS(DECL_ARGS);
1.1 kristaps 90: static void post_SH(DECL_ARGS);
91: static void post_SS(DECL_ARGS);
1.215 schwarze 92: static void post_SY(DECL_ARGS);
1.21 kristaps 93: static void post_TP(DECL_ARGS);
1.137 schwarze 94: static void post_UR(DECL_ARGS);
1.1 kristaps 95:
1.214 schwarze 96: static const struct man_term_act man_term_acts[MAN_MAX - MAN_TH] = {
1.56 kristaps 97: { NULL, NULL, 0 }, /* TH */
98: { pre_SH, post_SH, 0 }, /* SH */
99: { pre_SS, post_SS, 0 }, /* SS */
100: { pre_TP, post_TP, 0 }, /* TP */
1.213 schwarze 101: { pre_TP, post_TP, 0 }, /* TQ */
1.221 schwarze 102: { pre_abort, NULL, 0 }, /* LP */
1.56 kristaps 103: { pre_PP, NULL, 0 }, /* PP */
1.221 schwarze 104: { pre_abort, NULL, 0 }, /* P */
1.56 kristaps 105: { pre_IP, post_IP, 0 }, /* IP */
1.146 schwarze 106: { pre_HP, post_HP, 0 }, /* HP */
1.56 kristaps 107: { NULL, NULL, 0 }, /* SM */
108: { pre_B, NULL, 0 }, /* SB */
1.88 kristaps 109: { pre_alternate, NULL, 0 }, /* BI */
110: { pre_alternate, NULL, 0 }, /* IB */
111: { pre_alternate, NULL, 0 }, /* BR */
112: { pre_alternate, NULL, 0 }, /* RB */
1.56 kristaps 113: { NULL, NULL, 0 }, /* R */
114: { pre_B, NULL, 0 }, /* B */
115: { pre_I, NULL, 0 }, /* I */
1.88 kristaps 116: { pre_alternate, NULL, 0 }, /* IR */
117: { pre_alternate, NULL, 0 }, /* RI */
1.56 kristaps 118: { NULL, NULL, 0 }, /* RE */
119: { pre_RS, post_RS, 0 }, /* RS */
1.199 schwarze 120: { pre_DT, NULL, 0 }, /* DT */
1.158 schwarze 121: { pre_ign, NULL, MAN_NOTEXT }, /* UC */
1.134 schwarze 122: { pre_PD, NULL, MAN_NOTEXT }, /* PD */
1.70 joerg 123: { pre_ign, NULL, 0 }, /* AT */
1.83 kristaps 124: { pre_in, NULL, MAN_NOTEXT }, /* in */
1.215 schwarze 125: { pre_SY, post_SY, 0 }, /* SY */
126: { NULL, NULL, 0 }, /* YS */
1.127 kristaps 127: { pre_OP, NULL, 0 }, /* OP */
1.129 schwarze 128: { pre_literal, NULL, 0 }, /* EX */
129: { pre_literal, NULL, 0 }, /* EE */
1.137 schwarze 130: { pre_UR, post_UR, 0 }, /* UR */
131: { NULL, NULL, 0 }, /* UE */
1.208 schwarze 132: { pre_UR, post_UR, 0 }, /* MT */
133: { NULL, NULL, 0 }, /* ME */
1.1 kristaps 134: };
1.214 schwarze 135: static const struct man_term_act *man_term_act(enum roff_tok);
1.1 kristaps 136:
137:
1.214 schwarze 138: static const struct man_term_act *
139: man_term_act(enum roff_tok tok)
140: {
141: assert(tok >= MAN_TH && tok <= MAN_MAX);
142: return man_term_acts + (tok - MAN_TH);
143: }
144:
1.31 kristaps 145: void
1.223 schwarze 146: terminal_man(void *arg, const struct roff_meta *man)
1.1 kristaps 147: {
1.36 kristaps 148: struct termp *p;
1.172 schwarze 149: struct roff_node *n;
1.36 kristaps 150: struct mtermp mt;
1.189 schwarze 151: size_t save_defindent;
1.36 kristaps 152:
153: p = (struct termp *)arg;
1.206 schwarze 154: save_defindent = p->defindent;
155: if (p->synopsisonly == 0 && p->defindent == 0)
156: p->defindent = 7;
1.203 schwarze 157: p->tcol->rmargin = p->maxrmargin = p->defrmargin;
1.198 schwarze 158: term_tab_set(p, NULL);
159: term_tab_set(p, "T");
160: term_tab_set(p, ".5i");
1.36 kristaps 161:
1.116 schwarze 162: memset(&mt, 0, sizeof(struct mtermp));
1.122 schwarze 163: mt.lmargin[mt.lmargincur] = term_len(p, p->defindent);
164: mt.offset = term_len(p, p->defindent);
1.134 schwarze 165: mt.pardist = 1;
1.24 kristaps 166:
1.181 schwarze 167: n = man->first->child;
1.151 schwarze 168: if (p->synopsisonly) {
169: while (n != NULL) {
170: if (n->tok == MAN_SH &&
1.171 schwarze 171: n->child->child->type == ROFFT_TEXT &&
1.151 schwarze 172: !strcmp(n->child->child->string, "SYNOPSIS")) {
173: if (n->child->next->child != NULL)
174: print_man_nodelist(p, &mt,
1.223 schwarze 175: n->child->next->child, man);
1.151 schwarze 176: term_newln(p);
177: break;
178: }
179: n = n->next;
180: }
181: } else {
1.223 schwarze 182: term_begin(p, print_man_head, print_man_foot, man);
1.151 schwarze 183: p->flags |= TERMP_NOSPACE;
184: if (n != NULL)
1.223 schwarze 185: print_man_nodelist(p, &mt, n, man);
1.151 schwarze 186: term_end(p);
187: }
1.206 schwarze 188: p->defindent = save_defindent;
1.1 kristaps 189: }
190:
1.111 kristaps 191: /*
192: * Printing leading vertical space before a block.
193: * This is used for the paragraph macros.
194: * The rules are pretty simple, since there's very little nesting going
195: * on here. Basically, if we're the first within another block (SS/SH),
196: * then don't emit vertical space. If we are (RS), then do. If not the
197: * first, print it.
198: */
1.39 kristaps 199: static void
1.172 schwarze 200: print_bvspace(struct termp *p, const struct roff_node *n, int pardist)
1.18 kristaps 201: {
1.134 schwarze 202: int i;
1.111 kristaps 203:
1.39 kristaps 204: term_newln(p);
1.101 schwarze 205:
1.111 kristaps 206: if (n->body && n->body->child)
1.171 schwarze 207: if (n->body->child->type == ROFFT_TBL)
1.111 kristaps 208: return;
209:
1.171 schwarze 210: if (n->parent->type == ROFFT_ROOT || n->parent->tok != MAN_RS)
1.111 kristaps 211: if (NULL == n->prev)
212: return;
1.18 kristaps 213:
1.134 schwarze 214: for (i = 0; i < pardist; i++)
215: term_vspace(p);
1.18 kristaps 216: }
217:
1.221 schwarze 218:
219: static int
220: pre_abort(DECL_ARGS)
221: {
222: abort();
223: }
1.146 schwarze 224:
1.1 kristaps 225: static int
1.29 kristaps 226: pre_ign(DECL_ARGS)
227: {
228:
1.185 schwarze 229: return 0;
1.29 kristaps 230: }
231:
232: static int
1.1 kristaps 233: pre_I(DECL_ARGS)
234: {
235:
1.52 kristaps 236: term_fontrepl(p, TERMFONT_UNDER);
1.185 schwarze 237: return 1;
1.19 kristaps 238: }
239:
1.3 kristaps 240: static int
1.84 kristaps 241: pre_literal(DECL_ARGS)
1.19 kristaps 242: {
1.81 kristaps 243: term_newln(p);
1.88 kristaps 244:
1.117 schwarze 245: /*
246: * Unlike .IP and .TP, .HP does not have a HEAD.
247: * So in case a second call to term_flushln() is needed,
248: * indentation has to be set up explicitly.
249: */
1.203 schwarze 250: if (n->parent->tok == MAN_HP && p->tcol->rmargin < p->maxrmargin) {
251: p->tcol->offset = p->tcol->rmargin;
252: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 253: p->trailspace = 0;
1.145 schwarze 254: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.117 schwarze 255: p->flags |= TERMP_NOSPACE;
256: }
1.185 schwarze 257: return 0;
1.19 kristaps 258: }
259:
260: static int
1.134 schwarze 261: pre_PD(DECL_ARGS)
262: {
1.160 schwarze 263: struct roffsu su;
1.134 schwarze 264:
265: n = n->child;
1.160 schwarze 266: if (n == NULL) {
1.134 schwarze 267: mt->pardist = 1;
1.185 schwarze 268: return 0;
1.134 schwarze 269: }
1.171 schwarze 270: assert(n->type == ROFFT_TEXT);
1.204 schwarze 271: if (a2roffsu(n->string, &su, SCALE_VS) != NULL)
1.160 schwarze 272: mt->pardist = term_vspan(p, &su);
1.185 schwarze 273: return 0;
1.134 schwarze 274: }
275:
276: static int
1.88 kristaps 277: pre_alternate(DECL_ARGS)
1.3 kristaps 278: {
1.88 kristaps 279: enum termfont font[2];
1.172 schwarze 280: struct roff_node *nn;
1.225 ! schwarze 281: int i;
1.3 kristaps 282:
1.88 kristaps 283: switch (n->tok) {
1.146 schwarze 284: case MAN_RB:
1.88 kristaps 285: font[0] = TERMFONT_NONE;
286: font[1] = TERMFONT_BOLD;
287: break;
1.146 schwarze 288: case MAN_RI:
1.88 kristaps 289: font[0] = TERMFONT_NONE;
290: font[1] = TERMFONT_UNDER;
291: break;
1.146 schwarze 292: case MAN_BR:
1.88 kristaps 293: font[0] = TERMFONT_BOLD;
294: font[1] = TERMFONT_NONE;
295: break;
1.146 schwarze 296: case MAN_BI:
1.88 kristaps 297: font[0] = TERMFONT_BOLD;
298: font[1] = TERMFONT_UNDER;
299: break;
1.146 schwarze 300: case MAN_IR:
1.88 kristaps 301: font[0] = TERMFONT_UNDER;
302: font[1] = TERMFONT_NONE;
303: break;
1.146 schwarze 304: case MAN_IB:
1.88 kristaps 305: font[0] = TERMFONT_UNDER;
306: font[1] = TERMFONT_BOLD;
307: break;
308: default:
309: abort();
310: }
1.225 ! schwarze 311: for (i = 0, nn = n->child; nn != NULL; nn = nn->next, i = 1 - i) {
1.88 kristaps 312: term_fontrepl(p, font[i]);
1.179 schwarze 313: assert(nn->type == ROFFT_TEXT);
314: term_word(p, nn->string);
1.188 schwarze 315: if (nn->flags & NODE_EOS)
1.179 schwarze 316: p->flags |= TERMP_SENTENCE;
1.88 kristaps 317: if (nn->next)
1.4 kristaps 318: p->flags |= TERMP_NOSPACE;
1.3 kristaps 319: }
1.185 schwarze 320: return 0;
1.3 kristaps 321: }
322:
1.1 kristaps 323: static int
324: pre_B(DECL_ARGS)
325: {
326:
1.52 kristaps 327: term_fontrepl(p, TERMFONT_BOLD);
1.185 schwarze 328: return 1;
1.127 kristaps 329: }
330:
331: static int
332: pre_OP(DECL_ARGS)
333: {
334:
335: term_word(p, "[");
1.216 schwarze 336: p->flags |= TERMP_KEEP | TERMP_NOSPACE;
1.127 kristaps 337:
338: if (NULL != (n = n->child)) {
339: term_fontrepl(p, TERMFONT_BOLD);
340: term_word(p, n->string);
341: }
342: if (NULL != n && NULL != n->next) {
343: term_fontrepl(p, TERMFONT_UNDER);
344: term_word(p, n->next->string);
345: }
346:
347: term_fontrepl(p, TERMFONT_NONE);
1.216 schwarze 348: p->flags &= ~TERMP_KEEP;
1.127 kristaps 349: p->flags |= TERMP_NOSPACE;
350: term_word(p, "]");
1.185 schwarze 351: return 0;
1.83 kristaps 352: }
353:
354: static int
355: pre_in(DECL_ARGS)
356: {
1.163 schwarze 357: struct roffsu su;
358: const char *cp;
1.83 kristaps 359: size_t v;
1.163 schwarze 360: int less;
1.83 kristaps 361:
362: term_newln(p);
363:
1.203 schwarze 364: if (n->child == NULL) {
365: p->tcol->offset = mt->offset;
1.185 schwarze 366: return 0;
1.83 kristaps 367: }
368:
369: cp = n->child->string;
370: less = 0;
371:
372: if ('-' == *cp)
373: less = -1;
374: else if ('+' == *cp)
375: less = 1;
376: else
377: cp--;
378:
1.204 schwarze 379: if (a2roffsu(++cp, &su, SCALE_EN) == NULL)
1.185 schwarze 380: return 0;
1.83 kristaps 381:
1.205 schwarze 382: v = term_hen(p, &su);
1.83 kristaps 383:
384: if (less < 0)
1.203 schwarze 385: p->tcol->offset -= p->tcol->offset > v ? v : p->tcol->offset;
1.83 kristaps 386: else if (less > 0)
1.203 schwarze 387: p->tcol->offset += v;
1.146 schwarze 388: else
1.203 schwarze 389: p->tcol->offset = v;
390: if (p->tcol->offset > SHRT_MAX)
391: p->tcol->offset = term_len(p, p->defindent);
1.19 kristaps 392:
1.199 schwarze 393: return 0;
394: }
395:
396: static int
397: pre_DT(DECL_ARGS)
398: {
399: term_tab_set(p, NULL);
400: term_tab_set(p, "T");
401: term_tab_set(p, ".5i");
1.185 schwarze 402: return 0;
1.15 kristaps 403: }
404:
405: static int
1.19 kristaps 406: pre_HP(DECL_ARGS)
407: {
1.163 schwarze 408: struct roffsu su;
1.172 schwarze 409: const struct roff_node *nn;
1.163 schwarze 410: int len;
1.19 kristaps 411:
1.20 kristaps 412: switch (n->type) {
1.171 schwarze 413: case ROFFT_BLOCK:
1.134 schwarze 414: print_bvspace(p, n, mt->pardist);
1.185 schwarze 415: return 1;
1.171 schwarze 416: case ROFFT_BODY:
1.20 kristaps 417: break;
418: default:
1.185 schwarze 419: return 0;
1.20 kristaps 420: }
421:
1.225 ! schwarze 422: if ((n->flags & NODE_NOFILL) == 0) {
1.145 schwarze 423: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 424: p->trailspace = 2;
1.130 schwarze 425: }
426:
1.24 kristaps 427: /* Calculate offset. */
428:
1.163 schwarze 429: if ((nn = n->parent->head->child) != NULL &&
1.204 schwarze 430: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 431: len = term_hen(p, &su);
1.164 schwarze 432: if (len < 0 && (size_t)(-len) > mt->offset)
433: len = -mt->offset;
434: else if (len > SHRT_MAX)
435: len = term_len(p, p->defindent);
1.163 schwarze 436: mt->lmargin[mt->lmargincur] = len;
437: } else
438: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 439:
1.203 schwarze 440: p->tcol->offset = mt->offset;
441: p->tcol->rmargin = mt->offset + len;
1.185 schwarze 442: return 1;
1.19 kristaps 443: }
444:
1.20 kristaps 445: static void
446: post_HP(DECL_ARGS)
447: {
448:
449: switch (n->type) {
1.171 schwarze 450: case ROFFT_BODY:
1.136 schwarze 451: term_newln(p);
1.174 schwarze 452:
453: /*
454: * Compatibility with a groff bug.
455: * The .HP macro uses the undocumented .tag request
456: * which causes a line break and cancels no-space
457: * mode even if there isn't any output.
458: */
459:
460: if (n->child == NULL)
461: term_vspace(p);
462:
1.145 schwarze 463: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 464: p->trailspace = 0;
1.203 schwarze 465: p->tcol->offset = mt->offset;
466: p->tcol->rmargin = p->maxrmargin;
1.20 kristaps 467: break;
468: default:
469: break;
470: }
471: }
472:
1.19 kristaps 473: static int
1.1 kristaps 474: pre_PP(DECL_ARGS)
475: {
476:
1.19 kristaps 477: switch (n->type) {
1.171 schwarze 478: case ROFFT_BLOCK:
1.122 schwarze 479: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 480: print_bvspace(p, n, mt->pardist);
1.19 kristaps 481: break;
482: default:
1.203 schwarze 483: p->tcol->offset = mt->offset;
1.19 kristaps 484: break;
485: }
486:
1.185 schwarze 487: return n->type != ROFFT_HEAD;
1.1 kristaps 488: }
489:
490: static int
1.4 kristaps 491: pre_IP(DECL_ARGS)
492: {
1.163 schwarze 493: struct roffsu su;
1.172 schwarze 494: const struct roff_node *nn;
1.225 ! schwarze 495: int len;
1.18 kristaps 496:
1.22 kristaps 497: switch (n->type) {
1.171 schwarze 498: case ROFFT_BODY:
1.22 kristaps 499: p->flags |= TERMP_NOSPACE;
500: break;
1.171 schwarze 501: case ROFFT_HEAD:
1.22 kristaps 502: p->flags |= TERMP_NOBREAK;
1.139 schwarze 503: p->trailspace = 1;
1.22 kristaps 504: break;
1.171 schwarze 505: case ROFFT_BLOCK:
1.134 schwarze 506: print_bvspace(p, n, mt->pardist);
1.23 kristaps 507: /* FALLTHROUGH */
1.22 kristaps 508: default:
1.185 schwarze 509: return 1;
1.22 kristaps 510: }
1.18 kristaps 511:
1.94 schwarze 512: /* Calculate the offset from the optional second argument. */
1.163 schwarze 513: if ((nn = n->parent->head->child) != NULL &&
514: (nn = nn->next) != NULL &&
1.204 schwarze 515: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 516: len = term_hen(p, &su);
1.163 schwarze 517: if (len < 0 && (size_t)(-len) > mt->offset)
518: len = -mt->offset;
1.164 schwarze 519: else if (len > SHRT_MAX)
520: len = term_len(p, p->defindent);
521: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 522: } else
523: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 524:
1.22 kristaps 525: switch (n->type) {
1.171 schwarze 526: case ROFFT_HEAD:
1.203 schwarze 527: p->tcol->offset = mt->offset;
528: p->tcol->rmargin = mt->offset + len;
1.94 schwarze 529: if (n->child)
1.135 schwarze 530: print_man_node(p, mt, n->child, meta);
1.185 schwarze 531: return 0;
1.171 schwarze 532: case ROFFT_BODY:
1.203 schwarze 533: p->tcol->offset = mt->offset + len;
534: p->tcol->rmargin = p->maxrmargin;
1.23 kristaps 535: break;
1.22 kristaps 536: default:
537: break;
1.18 kristaps 538: }
1.185 schwarze 539: return 1;
1.22 kristaps 540: }
1.18 kristaps 541:
1.22 kristaps 542: static void
543: post_IP(DECL_ARGS)
544: {
545: switch (n->type) {
1.171 schwarze 546: case ROFFT_HEAD:
1.22 kristaps 547: term_flushln(p);
548: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 549: p->trailspace = 0;
1.203 schwarze 550: p->tcol->rmargin = p->maxrmargin;
1.22 kristaps 551: break;
1.171 schwarze 552: case ROFFT_BODY:
1.94 schwarze 553: term_newln(p);
1.203 schwarze 554: p->tcol->offset = mt->offset;
1.22 kristaps 555: break;
556: default:
557: break;
558: }
1.4 kristaps 559: }
560:
561: static int
1.1 kristaps 562: pre_TP(DECL_ARGS)
563: {
1.163 schwarze 564: struct roffsu su;
1.172 schwarze 565: struct roff_node *nn;
1.225 ! schwarze 566: int len;
1.1 kristaps 567:
1.21 kristaps 568: switch (n->type) {
1.171 schwarze 569: case ROFFT_HEAD:
1.184 schwarze 570: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 571: p->trailspace = 1;
1.21 kristaps 572: break;
1.171 schwarze 573: case ROFFT_BODY:
1.21 kristaps 574: p->flags |= TERMP_NOSPACE;
1.23 kristaps 575: break;
1.171 schwarze 576: case ROFFT_BLOCK:
1.213 schwarze 577: if (n->tok == MAN_TP)
578: print_bvspace(p, n, mt->pardist);
1.23 kristaps 579: /* FALLTHROUGH */
580: default:
1.185 schwarze 581: return 1;
1.23 kristaps 582: }
583:
584: /* Calculate offset. */
585:
1.163 schwarze 586: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 587: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.204 schwarze 588: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 589: len = term_hen(p, &su);
1.163 schwarze 590: if (len < 0 && (size_t)(-len) > mt->offset)
591: len = -mt->offset;
1.164 schwarze 592: else if (len > SHRT_MAX)
593: len = term_len(p, p->defindent);
594: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 595: } else
596: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 597:
598: switch (n->type) {
1.171 schwarze 599: case ROFFT_HEAD:
1.203 schwarze 600: p->tcol->offset = mt->offset;
601: p->tcol->rmargin = mt->offset + len;
1.23 kristaps 602:
603: /* Don't print same-line elements. */
1.141 schwarze 604: nn = n->child;
1.188 schwarze 605: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.141 schwarze 606: nn = nn->next;
607:
608: while (NULL != nn) {
609: print_man_node(p, mt, nn, meta);
610: nn = nn->next;
611: }
1.185 schwarze 612: return 0;
1.171 schwarze 613: case ROFFT_BODY:
1.203 schwarze 614: p->tcol->offset = mt->offset + len;
615: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 616: p->trailspace = 0;
1.184 schwarze 617: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 618: break;
619: default:
620: break;
621: }
1.185 schwarze 622: return 1;
1.21 kristaps 623: }
1.1 kristaps 624:
1.21 kristaps 625: static void
626: post_TP(DECL_ARGS)
627: {
628: switch (n->type) {
1.171 schwarze 629: case ROFFT_HEAD:
1.21 kristaps 630: term_flushln(p);
631: break;
1.171 schwarze 632: case ROFFT_BODY:
1.94 schwarze 633: term_newln(p);
1.203 schwarze 634: p->tcol->offset = mt->offset;
1.21 kristaps 635: break;
636: default:
637: break;
638: }
1.1 kristaps 639: }
640:
641: static int
642: pre_SS(DECL_ARGS)
643: {
1.134 schwarze 644: int i;
1.1 kristaps 645:
1.19 kristaps 646: switch (n->type) {
1.171 schwarze 647: case ROFFT_BLOCK:
1.122 schwarze 648: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
649: mt->offset = term_len(p, p->defindent);
1.158 schwarze 650:
651: /*
652: * No vertical space before the first subsection
653: * and after an empty subsection.
654: */
655:
656: do {
657: n = n->prev;
1.209 schwarze 658: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 659: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 660: if (n == NULL || n->type == ROFFT_COMMENT ||
661: (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 662: break;
1.158 schwarze 663:
1.134 schwarze 664: for (i = 0; i < mt->pardist; i++)
665: term_vspace(p);
1.19 kristaps 666: break;
1.171 schwarze 667: case ROFFT_HEAD:
1.52 kristaps 668: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 669: p->tcol->offset = term_len(p, 3);
670: p->tcol->rmargin = mt->offset;
1.176 schwarze 671: p->trailspace = mt->offset;
672: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 673: break;
1.171 schwarze 674: case ROFFT_BODY:
1.203 schwarze 675: p->tcol->offset = mt->offset;
676: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 677: p->trailspace = 0;
678: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 679: break;
1.19 kristaps 680: default:
681: break;
682: }
683:
1.185 schwarze 684: return 1;
1.1 kristaps 685: }
686:
687: static void
688: post_SS(DECL_ARGS)
689: {
1.146 schwarze 690:
1.19 kristaps 691: switch (n->type) {
1.171 schwarze 692: case ROFFT_HEAD:
1.19 kristaps 693: term_newln(p);
694: break;
1.171 schwarze 695: case ROFFT_BODY:
1.24 kristaps 696: term_newln(p);
697: break;
1.19 kristaps 698: default:
699: break;
700: }
1.1 kristaps 701: }
702:
703: static int
704: pre_SH(DECL_ARGS)
705: {
1.134 schwarze 706: int i;
1.22 kristaps 707:
1.19 kristaps 708: switch (n->type) {
1.171 schwarze 709: case ROFFT_BLOCK:
1.122 schwarze 710: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
711: mt->offset = term_len(p, p->defindent);
1.158 schwarze 712:
713: /*
714: * No vertical space before the first section
715: * and after an empty section.
716: */
717:
718: do {
719: n = n->prev;
1.209 schwarze 720: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 721: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 722: if (n == NULL || n->type == ROFFT_COMMENT ||
723: (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 724: break;
1.158 schwarze 725:
1.134 schwarze 726: for (i = 0; i < mt->pardist; i++)
727: term_vspace(p);
1.19 kristaps 728: break;
1.171 schwarze 729: case ROFFT_HEAD:
1.52 kristaps 730: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 731: p->tcol->offset = 0;
732: p->tcol->rmargin = mt->offset;
1.176 schwarze 733: p->trailspace = mt->offset;
734: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 735: break;
1.171 schwarze 736: case ROFFT_BODY:
1.203 schwarze 737: p->tcol->offset = mt->offset;
738: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 739: p->trailspace = 0;
740: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 741: break;
742: default:
743: break;
744: }
1.1 kristaps 745:
1.185 schwarze 746: return 1;
1.1 kristaps 747: }
748:
749: static void
750: post_SH(DECL_ARGS)
751: {
1.146 schwarze 752:
1.19 kristaps 753: switch (n->type) {
1.171 schwarze 754: case ROFFT_HEAD:
1.19 kristaps 755: term_newln(p);
756: break;
1.171 schwarze 757: case ROFFT_BODY:
1.19 kristaps 758: term_newln(p);
759: break;
760: default:
761: break;
762: }
1.1 kristaps 763: }
764:
1.26 kristaps 765: static int
766: pre_RS(DECL_ARGS)
767: {
1.163 schwarze 768: struct roffsu su;
1.26 kristaps 769:
770: switch (n->type) {
1.171 schwarze 771: case ROFFT_BLOCK:
1.26 kristaps 772: term_newln(p);
1.185 schwarze 773: return 1;
1.171 schwarze 774: case ROFFT_HEAD:
1.185 schwarze 775: return 0;
1.26 kristaps 776: default:
777: break;
778: }
779:
1.165 schwarze 780: n = n->parent->head;
781: n->aux = SHRT_MAX + 1;
1.177 schwarze 782: if (n->child == NULL)
783: n->aux = mt->lmargin[mt->lmargincur];
1.204 schwarze 784: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.205 schwarze 785: n->aux = term_hen(p, &su);
1.165 schwarze 786: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
787: n->aux = -mt->offset;
788: else if (n->aux > SHRT_MAX)
789: n->aux = term_len(p, p->defindent);
1.26 kristaps 790:
1.165 schwarze 791: mt->offset += n->aux;
1.203 schwarze 792: p->tcol->offset = mt->offset;
793: p->tcol->rmargin = p->maxrmargin;
1.26 kristaps 794:
1.116 schwarze 795: if (++mt->lmarginsz < MAXMARGINS)
796: mt->lmargincur = mt->lmarginsz;
797:
1.178 schwarze 798: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 799: return 1;
1.26 kristaps 800: }
801:
802: static void
803: post_RS(DECL_ARGS)
804: {
805:
806: switch (n->type) {
1.171 schwarze 807: case ROFFT_BLOCK:
1.110 kristaps 808: return;
1.171 schwarze 809: case ROFFT_HEAD:
1.110 kristaps 810: return;
1.26 kristaps 811: default:
812: term_newln(p);
813: break;
814: }
1.110 kristaps 815:
1.165 schwarze 816: mt->offset -= n->parent->head->aux;
1.203 schwarze 817: p->tcol->offset = mt->offset;
1.116 schwarze 818:
819: if (--mt->lmarginsz < MAXMARGINS)
820: mt->lmargincur = mt->lmarginsz;
1.215 schwarze 821: }
822:
823: static int
824: pre_SY(DECL_ARGS)
825: {
826: const struct roff_node *nn;
827: int len;
828:
829: switch (n->type) {
830: case ROFFT_BLOCK:
1.217 schwarze 831: if (n->prev == NULL || n->prev->tok != MAN_SY)
832: print_bvspace(p, n, mt->pardist);
1.215 schwarze 833: return 1;
834: case ROFFT_HEAD:
835: case ROFFT_BODY:
836: break;
837: default:
838: abort();
839: }
840:
841: nn = n->parent->head->child;
1.219 schwarze 842: len = nn == NULL ? 1 : term_strlen(p, nn->string) + 1;
1.215 schwarze 843:
844: switch (n->type) {
845: case ROFFT_HEAD:
846: p->tcol->offset = mt->offset;
847: p->tcol->rmargin = mt->offset + len;
848: p->flags |= TERMP_NOBREAK;
849: term_fontrepl(p, TERMFONT_BOLD);
850: break;
851: case ROFFT_BODY:
852: mt->lmargin[mt->lmargincur] = len;
853: p->tcol->offset = mt->offset + len;
854: p->tcol->rmargin = p->maxrmargin;
855: p->flags |= TERMP_NOSPACE;
856: break;
857: default:
858: abort();
859: }
860: return 1;
861: }
862:
863: static void
864: post_SY(DECL_ARGS)
865: {
866: switch (n->type) {
867: case ROFFT_HEAD:
868: term_flushln(p);
869: p->flags &= ~TERMP_NOBREAK;
870: break;
871: case ROFFT_BODY:
872: term_newln(p);
873: p->tcol->offset = mt->offset;
874: break;
875: default:
876: break;
877: }
1.137 schwarze 878: }
879:
880: static int
881: pre_UR(DECL_ARGS)
882: {
883:
1.185 schwarze 884: return n->type != ROFFT_HEAD;
1.137 schwarze 885: }
886:
887: static void
888: post_UR(DECL_ARGS)
889: {
890:
1.171 schwarze 891: if (n->type != ROFFT_BLOCK)
1.137 schwarze 892: return;
893:
894: term_word(p, "<");
895: p->flags |= TERMP_NOSPACE;
896:
897: if (NULL != n->child->child)
898: print_man_node(p, mt, n->child->child, meta);
899:
900: p->flags |= TERMP_NOSPACE;
901: term_word(p, ">");
1.26 kristaps 902: }
903:
1.1 kristaps 904: static void
1.45 kristaps 905: print_man_node(DECL_ARGS)
1.1 kristaps 906: {
1.214 schwarze 907: const struct man_term_act *act;
908: int c;
1.1 kristaps 909:
910: switch (n->type) {
1.171 schwarze 911: case ROFFT_TEXT:
1.97 kristaps 912: /*
913: * If we have a blank line, output a vertical space.
914: * If we have a space as the first character, break
915: * before printing the line's data.
916: */
1.200 schwarze 917: if (*n->string == '\0') {
1.207 schwarze 918: if (p->flags & TERMP_NONEWLINE)
919: term_newln(p);
920: else
921: term_vspace(p);
1.98 schwarze 922: return;
1.200 schwarze 923: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
924: (p->flags & TERMP_NONEWLINE) == 0)
1.96 kristaps 925: term_newln(p);
1.212 schwarze 926: else if (n->flags & NODE_DELIMC)
927: p->flags |= TERMP_NOSPACE;
1.54 kristaps 928:
1.4 kristaps 929: term_word(p, n->string);
1.130 schwarze 930: goto out;
1.210 schwarze 931: case ROFFT_COMMENT:
932: return;
1.171 schwarze 933: case ROFFT_EQN:
1.188 schwarze 934: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 935: p->flags |= TERMP_NOSPACE;
1.115 kristaps 936: term_eqn(p, n->eqn);
1.188 schwarze 937: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 938: p->flags |= TERMP_NOSPACE;
1.97 kristaps 939: return;
1.171 schwarze 940: case ROFFT_TBL:
1.169 schwarze 941: if (p->tbl.cols == NULL)
942: term_vspace(p);
1.92 kristaps 943: term_tbl(p, n->span);
1.97 kristaps 944: return;
1.1 kristaps 945: default:
946: break;
947: }
1.224 schwarze 948:
1.193 schwarze 949: if (n->tok < ROFF_MAX) {
1.194 schwarze 950: roff_term_pre(p, n);
1.193 schwarze 951: return;
952: }
953:
1.214 schwarze 954: act = man_term_act(n->tok);
1.220 schwarze 955: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 956: term_fontrepl(p, TERMFONT_NONE);
957:
958: c = 1;
1.214 schwarze 959: if (act->pre != NULL)
960: c = (*act->pre)(p, mt, n, meta);
1.97 kristaps 961:
1.1 kristaps 962: if (c && n->child)
1.135 schwarze 963: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 964:
1.214 schwarze 965: if (act->post != NULL)
966: (*act->post)(p, mt, n, meta);
1.220 schwarze 967: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 968: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 969:
1.130 schwarze 970: out:
971: /*
972: * If we're in a literal context, make sure that words
973: * together on the same line stay together. This is a
974: * POST-printing call, so we check the NEXT word. Since
975: * -man doesn't have nested macros, we don't need to be
976: * more specific than this.
977: */
1.225 ! schwarze 978: if (n->flags & NODE_NOFILL &&
1.157 schwarze 979: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 980: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.202 schwarze 981: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.157 schwarze 982: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 983: term_flushln(p);
984: else
985: term_newln(p);
1.202 schwarze 986: p->flags &= ~TERMP_BRNEVER;
1.203 schwarze 987: if (p->tcol->rmargin < p->maxrmargin &&
988: n->parent->tok == MAN_HP) {
989: p->tcol->offset = p->tcol->rmargin;
990: p->tcol->rmargin = p->maxrmargin;
1.202 schwarze 991: }
1.130 schwarze 992: }
1.188 schwarze 993: if (NODE_EOS & n->flags)
1.63 kristaps 994: p->flags |= TERMP_SENTENCE;
1.1 kristaps 995: }
996:
997:
998: static void
1.52 kristaps 999: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1000: {
1.19 kristaps 1001:
1.168 schwarze 1002: while (n != NULL) {
1003: print_man_node(p, mt, n, meta);
1004: n = n->next;
1005: }
1.1 kristaps 1006: }
1007:
1.31 kristaps 1008: static void
1.173 schwarze 1009: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1010: {
1.147 schwarze 1011: char *title;
1.156 schwarze 1012: size_t datelen, titlen;
1.73 kristaps 1013:
1.125 schwarze 1014: assert(meta->title);
1015: assert(meta->msec);
1016: assert(meta->date);
1.1 kristaps 1017:
1.52 kristaps 1018: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1019:
1.149 schwarze 1020: if (meta->hasbody)
1021: term_vspace(p);
1.126 schwarze 1022:
1023: /*
1024: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1025: * In the bottom right corner, use the operating system
1026: * instead of the title.
1.126 schwarze 1027: */
1028:
1029: if ( ! p->mdocstyle) {
1.149 schwarze 1030: if (meta->hasbody) {
1031: term_vspace(p);
1032: term_vspace(p);
1033: }
1.147 schwarze 1034: mandoc_asprintf(&title, "%s(%s)",
1035: meta->title, meta->msec);
1.173 schwarze 1036: } else if (meta->os) {
1037: title = mandoc_strdup(meta->os);
1.126 schwarze 1038: } else {
1.147 schwarze 1039: title = mandoc_strdup("");
1.126 schwarze 1040: }
1.125 schwarze 1041: datelen = term_strlen(p, meta->date);
1.1 kristaps 1042:
1.173 schwarze 1043: /* Bottom left corner: operating system. */
1.126 schwarze 1044:
1.1 kristaps 1045: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1046: p->trailspace = 1;
1.203 schwarze 1047: p->tcol->offset = 0;
1048: p->tcol->rmargin = p->maxrmargin > datelen ?
1.156 schwarze 1049: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1050:
1.173 schwarze 1051: if (meta->os)
1052: term_word(p, meta->os);
1.1 kristaps 1053: term_flushln(p);
1054:
1.126 schwarze 1055: /* At the bottom in the middle: manual date. */
1056:
1.203 schwarze 1057: p->tcol->offset = p->tcol->rmargin;
1.156 schwarze 1058: titlen = term_strlen(p, title);
1.203 schwarze 1059: p->tcol->rmargin = p->maxrmargin > titlen ?
1060: p->maxrmargin - titlen : 0;
1.117 schwarze 1061: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1062:
1.125 schwarze 1063: term_word(p, meta->date);
1.123 schwarze 1064: term_flushln(p);
1065:
1.126 schwarze 1066: /* Bottom right corner: manual title and section. */
1067:
1.123 schwarze 1068: p->flags &= ~TERMP_NOBREAK;
1069: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1070: p->trailspace = 0;
1.203 schwarze 1071: p->tcol->offset = p->tcol->rmargin;
1072: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1073:
1.123 schwarze 1074: term_word(p, title);
1.1 kristaps 1075: term_flushln(p);
1.211 schwarze 1076:
1077: /*
1078: * Reset the terminal state for more output after the footer:
1079: * Some output modes, in particular PostScript and PDF, print
1080: * the header and the footer into a buffer such that it can be
1081: * reused for multiple output pages, then go on to format the
1082: * main text.
1083: */
1084:
1085: p->tcol->offset = 0;
1086: p->flags = 0;
1087:
1.147 schwarze 1088: free(title);
1.1 kristaps 1089: }
1090:
1.31 kristaps 1091: static void
1.173 schwarze 1092: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1093: {
1.148 schwarze 1094: const char *volume;
1.147 schwarze 1095: char *title;
1.148 schwarze 1096: size_t vollen, titlen;
1.73 kristaps 1097:
1.135 schwarze 1098: assert(meta->title);
1099: assert(meta->msec);
1.1 kristaps 1100:
1.148 schwarze 1101: volume = NULL == meta->vol ? "" : meta->vol;
1102: vollen = term_strlen(p, volume);
1.1 kristaps 1103:
1.126 schwarze 1104: /* Top left corner: manual title and section. */
1105:
1.147 schwarze 1106: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1107: titlen = term_strlen(p, title);
1.1 kristaps 1108:
1.118 schwarze 1109: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1110: p->trailspace = 1;
1.203 schwarze 1111: p->tcol->offset = 0;
1112: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.148 schwarze 1113: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1114: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1115:
1116: term_word(p, title);
1117: term_flushln(p);
1118:
1.126 schwarze 1119: /* At the top in the middle: manual volume. */
1120:
1.117 schwarze 1121: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1122: p->tcol->offset = p->tcol->rmargin;
1123: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1124: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1125:
1.148 schwarze 1126: term_word(p, volume);
1.1 kristaps 1127: term_flushln(p);
1128:
1.126 schwarze 1129: /* Top right corner: title and section, again. */
1130:
1.1 kristaps 1131: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1132: p->trailspace = 0;
1.203 schwarze 1133: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1134: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1135: p->tcol->offset = p->tcol->rmargin;
1136: p->tcol->rmargin = p->maxrmargin;
1.57 kristaps 1137: term_word(p, title);
1138: term_flushln(p);
1139: }
1.1 kristaps 1140:
1.118 schwarze 1141: p->flags &= ~TERMP_NOSPACE;
1.203 schwarze 1142: p->tcol->offset = 0;
1143: p->tcol->rmargin = p->maxrmargin;
1.61 kristaps 1144:
1.146 schwarze 1145: /*
1.126 schwarze 1146: * Groff prints three blank lines before the content.
1147: * Do the same, except in the temporary, undocumented
1148: * mode imitating mdoc(7) output.
1.62 kristaps 1149: */
1150:
1.61 kristaps 1151: term_vspace(p);
1.126 schwarze 1152: if ( ! p->mdocstyle) {
1153: term_vspace(p);
1154: term_vspace(p);
1155: }
1.147 schwarze 1156: free(title);
1.1 kristaps 1157: }
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