Annotation of mandoc/man_term.c, Revision 1.226
1.226 ! schwarze 1: /* $Id: man_term.c,v 1.225 2018/12/31 11:01:37 schwarze Exp $ */
1.1 kristaps 2: /*
1.128 schwarze 3: * Copyright (c) 2008-2012 Kristaps Dzonsons <kristaps@bsd.lv>
1.226 ! schwarze 4: * Copyright (c) 2010-2015, 2017-2019 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:
1.226 ! schwarze 422: if (n->child == NULL)
! 423: return 0;
! 424:
! 425: if ((n->child->flags & NODE_NOFILL) == 0) {
1.145 schwarze 426: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.139 schwarze 427: p->trailspace = 2;
1.130 schwarze 428: }
429:
1.24 kristaps 430: /* Calculate offset. */
431:
1.163 schwarze 432: if ((nn = n->parent->head->child) != NULL &&
1.204 schwarze 433: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 434: len = term_hen(p, &su);
1.164 schwarze 435: if (len < 0 && (size_t)(-len) > mt->offset)
436: len = -mt->offset;
437: else if (len > SHRT_MAX)
438: len = term_len(p, p->defindent);
1.163 schwarze 439: mt->lmargin[mt->lmargincur] = len;
440: } else
441: len = mt->lmargin[mt->lmargincur];
1.24 kristaps 442:
1.203 schwarze 443: p->tcol->offset = mt->offset;
444: p->tcol->rmargin = mt->offset + len;
1.185 schwarze 445: return 1;
1.19 kristaps 446: }
447:
1.20 kristaps 448: static void
449: post_HP(DECL_ARGS)
450: {
451:
452: switch (n->type) {
1.171 schwarze 453: case ROFFT_BODY:
1.136 schwarze 454: term_newln(p);
1.174 schwarze 455:
456: /*
457: * Compatibility with a groff bug.
458: * The .HP macro uses the undocumented .tag request
459: * which causes a line break and cancels no-space
460: * mode even if there isn't any output.
461: */
462:
463: if (n->child == NULL)
464: term_vspace(p);
465:
1.145 schwarze 466: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.139 schwarze 467: p->trailspace = 0;
1.203 schwarze 468: p->tcol->offset = mt->offset;
469: p->tcol->rmargin = p->maxrmargin;
1.20 kristaps 470: break;
471: default:
472: break;
473: }
474: }
475:
1.19 kristaps 476: static int
1.1 kristaps 477: pre_PP(DECL_ARGS)
478: {
479:
1.19 kristaps 480: switch (n->type) {
1.171 schwarze 481: case ROFFT_BLOCK:
1.122 schwarze 482: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.134 schwarze 483: print_bvspace(p, n, mt->pardist);
1.19 kristaps 484: break;
485: default:
1.203 schwarze 486: p->tcol->offset = mt->offset;
1.19 kristaps 487: break;
488: }
489:
1.185 schwarze 490: return n->type != ROFFT_HEAD;
1.1 kristaps 491: }
492:
493: static int
1.4 kristaps 494: pre_IP(DECL_ARGS)
495: {
1.163 schwarze 496: struct roffsu su;
1.172 schwarze 497: const struct roff_node *nn;
1.225 schwarze 498: int len;
1.18 kristaps 499:
1.22 kristaps 500: switch (n->type) {
1.171 schwarze 501: case ROFFT_BODY:
1.22 kristaps 502: p->flags |= TERMP_NOSPACE;
503: break;
1.171 schwarze 504: case ROFFT_HEAD:
1.22 kristaps 505: p->flags |= TERMP_NOBREAK;
1.139 schwarze 506: p->trailspace = 1;
1.22 kristaps 507: break;
1.171 schwarze 508: case ROFFT_BLOCK:
1.134 schwarze 509: print_bvspace(p, n, mt->pardist);
1.23 kristaps 510: /* FALLTHROUGH */
1.22 kristaps 511: default:
1.185 schwarze 512: return 1;
1.22 kristaps 513: }
1.18 kristaps 514:
1.94 schwarze 515: /* Calculate the offset from the optional second argument. */
1.163 schwarze 516: if ((nn = n->parent->head->child) != NULL &&
517: (nn = nn->next) != NULL &&
1.204 schwarze 518: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 519: len = term_hen(p, &su);
1.163 schwarze 520: if (len < 0 && (size_t)(-len) > mt->offset)
521: len = -mt->offset;
1.164 schwarze 522: else if (len > SHRT_MAX)
523: len = term_len(p, p->defindent);
524: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 525: } else
526: len = mt->lmargin[mt->lmargincur];
1.4 kristaps 527:
1.22 kristaps 528: switch (n->type) {
1.171 schwarze 529: case ROFFT_HEAD:
1.203 schwarze 530: p->tcol->offset = mt->offset;
531: p->tcol->rmargin = mt->offset + len;
1.94 schwarze 532: if (n->child)
1.135 schwarze 533: print_man_node(p, mt, n->child, meta);
1.185 schwarze 534: return 0;
1.171 schwarze 535: case ROFFT_BODY:
1.203 schwarze 536: p->tcol->offset = mt->offset + len;
537: p->tcol->rmargin = p->maxrmargin;
1.23 kristaps 538: break;
1.22 kristaps 539: default:
540: break;
1.18 kristaps 541: }
1.185 schwarze 542: return 1;
1.22 kristaps 543: }
1.18 kristaps 544:
1.22 kristaps 545: static void
546: post_IP(DECL_ARGS)
547: {
548: switch (n->type) {
1.171 schwarze 549: case ROFFT_HEAD:
1.22 kristaps 550: term_flushln(p);
551: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 552: p->trailspace = 0;
1.203 schwarze 553: p->tcol->rmargin = p->maxrmargin;
1.22 kristaps 554: break;
1.171 schwarze 555: case ROFFT_BODY:
1.94 schwarze 556: term_newln(p);
1.203 schwarze 557: p->tcol->offset = mt->offset;
1.22 kristaps 558: break;
559: default:
560: break;
561: }
1.4 kristaps 562: }
563:
564: static int
1.1 kristaps 565: pre_TP(DECL_ARGS)
566: {
1.163 schwarze 567: struct roffsu su;
1.172 schwarze 568: struct roff_node *nn;
1.225 schwarze 569: int len;
1.1 kristaps 570:
1.21 kristaps 571: switch (n->type) {
1.171 schwarze 572: case ROFFT_HEAD:
1.184 schwarze 573: p->flags |= TERMP_NOBREAK | TERMP_BRTRSP;
1.139 schwarze 574: p->trailspace = 1;
1.21 kristaps 575: break;
1.171 schwarze 576: case ROFFT_BODY:
1.21 kristaps 577: p->flags |= TERMP_NOSPACE;
1.23 kristaps 578: break;
1.171 schwarze 579: case ROFFT_BLOCK:
1.213 schwarze 580: if (n->tok == MAN_TP)
581: print_bvspace(p, n, mt->pardist);
1.23 kristaps 582: /* FALLTHROUGH */
583: default:
1.185 schwarze 584: return 1;
1.23 kristaps 585: }
586:
587: /* Calculate offset. */
588:
1.163 schwarze 589: if ((nn = n->parent->head->child) != NULL &&
1.188 schwarze 590: nn->string != NULL && ! (NODE_LINE & nn->flags) &&
1.204 schwarze 591: a2roffsu(nn->string, &su, SCALE_EN) != NULL) {
1.205 schwarze 592: len = term_hen(p, &su);
1.163 schwarze 593: if (len < 0 && (size_t)(-len) > mt->offset)
594: len = -mt->offset;
1.164 schwarze 595: else if (len > SHRT_MAX)
596: len = term_len(p, p->defindent);
597: mt->lmargin[mt->lmargincur] = len;
1.163 schwarze 598: } else
599: len = mt->lmargin[mt->lmargincur];
1.23 kristaps 600:
601: switch (n->type) {
1.171 schwarze 602: case ROFFT_HEAD:
1.203 schwarze 603: p->tcol->offset = mt->offset;
604: p->tcol->rmargin = mt->offset + len;
1.23 kristaps 605:
606: /* Don't print same-line elements. */
1.141 schwarze 607: nn = n->child;
1.188 schwarze 608: while (NULL != nn && 0 == (NODE_LINE & nn->flags))
1.141 schwarze 609: nn = nn->next;
610:
611: while (NULL != nn) {
612: print_man_node(p, mt, nn, meta);
613: nn = nn->next;
614: }
1.185 schwarze 615: return 0;
1.171 schwarze 616: case ROFFT_BODY:
1.203 schwarze 617: p->tcol->offset = mt->offset + len;
618: p->tcol->rmargin = p->maxrmargin;
1.139 schwarze 619: p->trailspace = 0;
1.184 schwarze 620: p->flags &= ~(TERMP_NOBREAK | TERMP_BRTRSP);
1.21 kristaps 621: break;
622: default:
623: break;
624: }
1.185 schwarze 625: return 1;
1.21 kristaps 626: }
1.1 kristaps 627:
1.21 kristaps 628: static void
629: post_TP(DECL_ARGS)
630: {
631: switch (n->type) {
1.171 schwarze 632: case ROFFT_HEAD:
1.21 kristaps 633: term_flushln(p);
634: break;
1.171 schwarze 635: case ROFFT_BODY:
1.94 schwarze 636: term_newln(p);
1.203 schwarze 637: p->tcol->offset = mt->offset;
1.21 kristaps 638: break;
639: default:
640: break;
641: }
1.1 kristaps 642: }
643:
644: static int
645: pre_SS(DECL_ARGS)
646: {
1.134 schwarze 647: int i;
1.1 kristaps 648:
1.19 kristaps 649: switch (n->type) {
1.171 schwarze 650: case ROFFT_BLOCK:
1.122 schwarze 651: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
652: mt->offset = term_len(p, p->defindent);
1.158 schwarze 653:
654: /*
655: * No vertical space before the first subsection
656: * and after an empty subsection.
657: */
658:
659: do {
660: n = n->prev;
1.209 schwarze 661: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 662: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 663: if (n == NULL || n->type == ROFFT_COMMENT ||
664: (n->tok == MAN_SS && n->body->child == NULL))
1.24 kristaps 665: break;
1.158 schwarze 666:
1.134 schwarze 667: for (i = 0; i < mt->pardist; i++)
668: term_vspace(p);
1.19 kristaps 669: break;
1.171 schwarze 670: case ROFFT_HEAD:
1.52 kristaps 671: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 672: p->tcol->offset = term_len(p, 3);
673: p->tcol->rmargin = mt->offset;
1.176 schwarze 674: p->trailspace = mt->offset;
675: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 676: break;
1.171 schwarze 677: case ROFFT_BODY:
1.203 schwarze 678: p->tcol->offset = mt->offset;
679: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 680: p->trailspace = 0;
681: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.24 kristaps 682: break;
1.19 kristaps 683: default:
684: break;
685: }
686:
1.185 schwarze 687: return 1;
1.1 kristaps 688: }
689:
690: static void
691: post_SS(DECL_ARGS)
692: {
1.146 schwarze 693:
1.19 kristaps 694: switch (n->type) {
1.171 schwarze 695: case ROFFT_HEAD:
1.19 kristaps 696: term_newln(p);
697: break;
1.171 schwarze 698: case ROFFT_BODY:
1.24 kristaps 699: term_newln(p);
700: break;
1.19 kristaps 701: default:
702: break;
703: }
1.1 kristaps 704: }
705:
706: static int
707: pre_SH(DECL_ARGS)
708: {
1.134 schwarze 709: int i;
1.22 kristaps 710:
1.19 kristaps 711: switch (n->type) {
1.171 schwarze 712: case ROFFT_BLOCK:
1.122 schwarze 713: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
714: mt->offset = term_len(p, p->defindent);
1.158 schwarze 715:
716: /*
717: * No vertical space before the first section
718: * and after an empty section.
719: */
720:
721: do {
722: n = n->prev;
1.209 schwarze 723: } while (n != NULL && n->tok >= MAN_TH &&
1.214 schwarze 724: man_term_act(n->tok)->flags & MAN_NOTEXT);
1.210 schwarze 725: if (n == NULL || n->type == ROFFT_COMMENT ||
726: (n->tok == MAN_SH && n->body->child == NULL))
1.61 kristaps 727: break;
1.158 schwarze 728:
1.134 schwarze 729: for (i = 0; i < mt->pardist; i++)
730: term_vspace(p);
1.19 kristaps 731: break;
1.171 schwarze 732: case ROFFT_HEAD:
1.52 kristaps 733: term_fontrepl(p, TERMFONT_BOLD);
1.203 schwarze 734: p->tcol->offset = 0;
735: p->tcol->rmargin = mt->offset;
1.176 schwarze 736: p->trailspace = mt->offset;
737: p->flags |= TERMP_NOBREAK | TERMP_BRIND;
1.19 kristaps 738: break;
1.171 schwarze 739: case ROFFT_BODY:
1.203 schwarze 740: p->tcol->offset = mt->offset;
741: p->tcol->rmargin = p->maxrmargin;
1.176 schwarze 742: p->trailspace = 0;
743: p->flags &= ~(TERMP_NOBREAK | TERMP_BRIND);
1.19 kristaps 744: break;
745: default:
746: break;
747: }
1.1 kristaps 748:
1.185 schwarze 749: return 1;
1.1 kristaps 750: }
751:
752: static void
753: post_SH(DECL_ARGS)
754: {
1.146 schwarze 755:
1.19 kristaps 756: switch (n->type) {
1.171 schwarze 757: case ROFFT_HEAD:
1.19 kristaps 758: term_newln(p);
759: break;
1.171 schwarze 760: case ROFFT_BODY:
1.19 kristaps 761: term_newln(p);
762: break;
763: default:
764: break;
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;
1.26 kristaps 779: default:
780: break;
781: }
782:
1.165 schwarze 783: n = n->parent->head;
784: n->aux = SHRT_MAX + 1;
1.177 schwarze 785: if (n->child == NULL)
786: n->aux = mt->lmargin[mt->lmargincur];
1.204 schwarze 787: else if (a2roffsu(n->child->string, &su, SCALE_EN) != NULL)
1.205 schwarze 788: n->aux = term_hen(p, &su);
1.165 schwarze 789: if (n->aux < 0 && (size_t)(-n->aux) > mt->offset)
790: n->aux = -mt->offset;
791: else if (n->aux > SHRT_MAX)
792: n->aux = term_len(p, p->defindent);
1.26 kristaps 793:
1.165 schwarze 794: mt->offset += n->aux;
1.203 schwarze 795: p->tcol->offset = mt->offset;
796: p->tcol->rmargin = p->maxrmargin;
1.26 kristaps 797:
1.116 schwarze 798: if (++mt->lmarginsz < MAXMARGINS)
799: mt->lmargincur = mt->lmarginsz;
800:
1.178 schwarze 801: mt->lmargin[mt->lmargincur] = term_len(p, p->defindent);
1.185 schwarze 802: return 1;
1.26 kristaps 803: }
804:
805: static void
806: post_RS(DECL_ARGS)
807: {
808:
809: switch (n->type) {
1.171 schwarze 810: case ROFFT_BLOCK:
1.110 kristaps 811: return;
1.171 schwarze 812: case ROFFT_HEAD:
1.110 kristaps 813: return;
1.26 kristaps 814: default:
815: term_newln(p);
816: break;
817: }
1.110 kristaps 818:
1.165 schwarze 819: mt->offset -= n->parent->head->aux;
1.203 schwarze 820: p->tcol->offset = mt->offset;
1.116 schwarze 821:
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:
1.217 schwarze 834: if (n->prev == NULL || n->prev->tok != MAN_SY)
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;
851: p->flags |= TERMP_NOBREAK;
852: term_fontrepl(p, TERMFONT_BOLD);
853: break;
854: case ROFFT_BODY:
855: mt->lmargin[mt->lmargincur] = len;
856: p->tcol->offset = mt->offset + len;
857: p->tcol->rmargin = p->maxrmargin;
858: p->flags |= TERMP_NOSPACE;
859: break;
860: default:
861: abort();
862: }
863: return 1;
864: }
865:
866: static void
867: post_SY(DECL_ARGS)
868: {
869: switch (n->type) {
870: case ROFFT_HEAD:
871: term_flushln(p);
872: p->flags &= ~TERMP_NOBREAK;
873: break;
874: case ROFFT_BODY:
875: term_newln(p);
876: p->tcol->offset = mt->offset;
877: break;
878: default:
879: break;
880: }
1.137 schwarze 881: }
882:
883: static int
884: pre_UR(DECL_ARGS)
885: {
886:
1.185 schwarze 887: return n->type != ROFFT_HEAD;
1.137 schwarze 888: }
889:
890: static void
891: post_UR(DECL_ARGS)
892: {
893:
1.171 schwarze 894: if (n->type != ROFFT_BLOCK)
1.137 schwarze 895: return;
896:
897: term_word(p, "<");
898: p->flags |= TERMP_NOSPACE;
899:
900: if (NULL != n->child->child)
901: print_man_node(p, mt, n->child->child, meta);
902:
903: p->flags |= TERMP_NOSPACE;
904: term_word(p, ">");
1.26 kristaps 905: }
906:
1.1 kristaps 907: static void
1.45 kristaps 908: print_man_node(DECL_ARGS)
1.1 kristaps 909: {
1.214 schwarze 910: const struct man_term_act *act;
911: int c;
1.1 kristaps 912:
913: switch (n->type) {
1.171 schwarze 914: case ROFFT_TEXT:
1.97 kristaps 915: /*
916: * If we have a blank line, output a vertical space.
917: * If we have a space as the first character, break
918: * before printing the line's data.
919: */
1.200 schwarze 920: if (*n->string == '\0') {
1.207 schwarze 921: if (p->flags & TERMP_NONEWLINE)
922: term_newln(p);
923: else
924: term_vspace(p);
1.98 schwarze 925: return;
1.200 schwarze 926: } else if (*n->string == ' ' && n->flags & NODE_LINE &&
927: (p->flags & TERMP_NONEWLINE) == 0)
1.96 kristaps 928: term_newln(p);
1.212 schwarze 929: else if (n->flags & NODE_DELIMC)
930: p->flags |= TERMP_NOSPACE;
1.54 kristaps 931:
1.4 kristaps 932: term_word(p, n->string);
1.130 schwarze 933: goto out;
1.210 schwarze 934: case ROFFT_COMMENT:
935: return;
1.171 schwarze 936: case ROFFT_EQN:
1.188 schwarze 937: if ( ! (n->flags & NODE_LINE))
1.152 schwarze 938: p->flags |= TERMP_NOSPACE;
1.115 kristaps 939: term_eqn(p, n->eqn);
1.188 schwarze 940: if (n->next != NULL && ! (n->next->flags & NODE_LINE))
1.153 schwarze 941: p->flags |= TERMP_NOSPACE;
1.97 kristaps 942: return;
1.171 schwarze 943: case ROFFT_TBL:
1.169 schwarze 944: if (p->tbl.cols == NULL)
945: term_vspace(p);
1.92 kristaps 946: term_tbl(p, n->span);
1.97 kristaps 947: return;
1.1 kristaps 948: default:
949: break;
950: }
1.224 schwarze 951:
1.193 schwarze 952: if (n->tok < ROFF_MAX) {
1.194 schwarze 953: roff_term_pre(p, n);
1.193 schwarze 954: return;
955: }
956:
1.214 schwarze 957: act = man_term_act(n->tok);
1.220 schwarze 958: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 959: term_fontrepl(p, TERMFONT_NONE);
960:
961: c = 1;
1.214 schwarze 962: if (act->pre != NULL)
963: c = (*act->pre)(p, mt, n, meta);
1.97 kristaps 964:
1.1 kristaps 965: if (c && n->child)
1.135 schwarze 966: print_man_nodelist(p, mt, n->child, meta);
1.1 kristaps 967:
1.214 schwarze 968: if (act->post != NULL)
969: (*act->post)(p, mt, n, meta);
1.220 schwarze 970: if ((act->flags & MAN_NOTEXT) == 0 && n->tok != MAN_SM)
1.97 kristaps 971: term_fontrepl(p, TERMFONT_NONE);
1.63 kristaps 972:
1.130 schwarze 973: out:
974: /*
975: * If we're in a literal context, make sure that words
976: * together on the same line stay together. This is a
977: * POST-printing call, so we check the NEXT word. Since
978: * -man doesn't have nested macros, we don't need to be
979: * more specific than this.
980: */
1.225 schwarze 981: if (n->flags & NODE_NOFILL &&
1.157 schwarze 982: ! (p->flags & (TERMP_NOBREAK | TERMP_NONEWLINE)) &&
1.188 schwarze 983: (n->next == NULL || n->next->flags & NODE_LINE)) {
1.202 schwarze 984: p->flags |= TERMP_BRNEVER | TERMP_NOSPACE;
1.157 schwarze 985: if (n->string != NULL && *n->string != '\0')
1.130 schwarze 986: term_flushln(p);
987: else
988: term_newln(p);
1.202 schwarze 989: p->flags &= ~TERMP_BRNEVER;
1.203 schwarze 990: if (p->tcol->rmargin < p->maxrmargin &&
991: n->parent->tok == MAN_HP) {
992: p->tcol->offset = p->tcol->rmargin;
993: p->tcol->rmargin = p->maxrmargin;
1.202 schwarze 994: }
1.130 schwarze 995: }
1.188 schwarze 996: if (NODE_EOS & n->flags)
1.63 kristaps 997: p->flags |= TERMP_SENTENCE;
1.1 kristaps 998: }
999:
1000:
1001: static void
1.52 kristaps 1002: print_man_nodelist(DECL_ARGS)
1.1 kristaps 1003: {
1.19 kristaps 1004:
1.168 schwarze 1005: while (n != NULL) {
1006: print_man_node(p, mt, n, meta);
1007: n = n->next;
1008: }
1.1 kristaps 1009: }
1010:
1.31 kristaps 1011: static void
1.173 schwarze 1012: print_man_foot(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1013: {
1.147 schwarze 1014: char *title;
1.156 schwarze 1015: size_t datelen, titlen;
1.73 kristaps 1016:
1.125 schwarze 1017: assert(meta->title);
1018: assert(meta->msec);
1019: assert(meta->date);
1.1 kristaps 1020:
1.52 kristaps 1021: term_fontrepl(p, TERMFONT_NONE);
1.50 kristaps 1022:
1.149 schwarze 1023: if (meta->hasbody)
1024: term_vspace(p);
1.126 schwarze 1025:
1026: /*
1027: * Temporary, undocumented option to imitate mdoc(7) output.
1.173 schwarze 1028: * In the bottom right corner, use the operating system
1029: * instead of the title.
1.126 schwarze 1030: */
1031:
1032: if ( ! p->mdocstyle) {
1.149 schwarze 1033: if (meta->hasbody) {
1034: term_vspace(p);
1035: term_vspace(p);
1036: }
1.147 schwarze 1037: mandoc_asprintf(&title, "%s(%s)",
1038: meta->title, meta->msec);
1.173 schwarze 1039: } else if (meta->os) {
1040: title = mandoc_strdup(meta->os);
1.126 schwarze 1041: } else {
1.147 schwarze 1042: title = mandoc_strdup("");
1.126 schwarze 1043: }
1.125 schwarze 1044: datelen = term_strlen(p, meta->date);
1.1 kristaps 1045:
1.173 schwarze 1046: /* Bottom left corner: operating system. */
1.126 schwarze 1047:
1.1 kristaps 1048: p->flags |= TERMP_NOSPACE | TERMP_NOBREAK;
1.139 schwarze 1049: p->trailspace = 1;
1.203 schwarze 1050: p->tcol->offset = 0;
1051: p->tcol->rmargin = p->maxrmargin > datelen ?
1.156 schwarze 1052: (p->maxrmargin + term_len(p, 1) - datelen) / 2 : 0;
1.1 kristaps 1053:
1.173 schwarze 1054: if (meta->os)
1055: term_word(p, meta->os);
1.1 kristaps 1056: term_flushln(p);
1057:
1.126 schwarze 1058: /* At the bottom in the middle: manual date. */
1059:
1.203 schwarze 1060: p->tcol->offset = p->tcol->rmargin;
1.156 schwarze 1061: titlen = term_strlen(p, title);
1.203 schwarze 1062: p->tcol->rmargin = p->maxrmargin > titlen ?
1063: p->maxrmargin - titlen : 0;
1.117 schwarze 1064: p->flags |= TERMP_NOSPACE;
1.123 schwarze 1065:
1.125 schwarze 1066: term_word(p, meta->date);
1.123 schwarze 1067: term_flushln(p);
1068:
1.126 schwarze 1069: /* Bottom right corner: manual title and section. */
1070:
1.123 schwarze 1071: p->flags &= ~TERMP_NOBREAK;
1072: p->flags |= TERMP_NOSPACE;
1.139 schwarze 1073: p->trailspace = 0;
1.203 schwarze 1074: p->tcol->offset = p->tcol->rmargin;
1075: p->tcol->rmargin = p->maxrmargin;
1.1 kristaps 1076:
1.123 schwarze 1077: term_word(p, title);
1.1 kristaps 1078: term_flushln(p);
1.211 schwarze 1079:
1080: /*
1081: * Reset the terminal state for more output after the footer:
1082: * Some output modes, in particular PostScript and PDF, print
1083: * the header and the footer into a buffer such that it can be
1084: * reused for multiple output pages, then go on to format the
1085: * main text.
1086: */
1087:
1088: p->tcol->offset = 0;
1089: p->flags = 0;
1090:
1.147 schwarze 1091: free(title);
1.1 kristaps 1092: }
1093:
1.31 kristaps 1094: static void
1.173 schwarze 1095: print_man_head(struct termp *p, const struct roff_meta *meta)
1.1 kristaps 1096: {
1.148 schwarze 1097: const char *volume;
1.147 schwarze 1098: char *title;
1.148 schwarze 1099: size_t vollen, titlen;
1.73 kristaps 1100:
1.135 schwarze 1101: assert(meta->title);
1102: assert(meta->msec);
1.1 kristaps 1103:
1.148 schwarze 1104: volume = NULL == meta->vol ? "" : meta->vol;
1105: vollen = term_strlen(p, volume);
1.1 kristaps 1106:
1.126 schwarze 1107: /* Top left corner: manual title and section. */
1108:
1.147 schwarze 1109: mandoc_asprintf(&title, "%s(%s)", meta->title, meta->msec);
1.77 kristaps 1110: titlen = term_strlen(p, title);
1.1 kristaps 1111:
1.118 schwarze 1112: p->flags |= TERMP_NOBREAK | TERMP_NOSPACE;
1.139 schwarze 1113: p->trailspace = 1;
1.203 schwarze 1114: p->tcol->offset = 0;
1115: p->tcol->rmargin = 2 * (titlen+1) + vollen < p->maxrmargin ?
1.148 schwarze 1116: (p->maxrmargin - vollen + term_len(p, 1)) / 2 :
1.156 schwarze 1117: vollen < p->maxrmargin ? p->maxrmargin - vollen : 0;
1.1 kristaps 1118:
1119: term_word(p, title);
1120: term_flushln(p);
1121:
1.126 schwarze 1122: /* At the top in the middle: manual volume. */
1123:
1.117 schwarze 1124: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1125: p->tcol->offset = p->tcol->rmargin;
1126: p->tcol->rmargin = p->tcol->offset + vollen + titlen <
1127: p->maxrmargin ? p->maxrmargin - titlen : p->maxrmargin;
1.1 kristaps 1128:
1.148 schwarze 1129: term_word(p, volume);
1.1 kristaps 1130: term_flushln(p);
1131:
1.126 schwarze 1132: /* Top right corner: title and section, again. */
1133:
1.1 kristaps 1134: p->flags &= ~TERMP_NOBREAK;
1.139 schwarze 1135: p->trailspace = 0;
1.203 schwarze 1136: if (p->tcol->rmargin + titlen <= p->maxrmargin) {
1.117 schwarze 1137: p->flags |= TERMP_NOSPACE;
1.203 schwarze 1138: p->tcol->offset = p->tcol->rmargin;
1139: p->tcol->rmargin = p->maxrmargin;
1.57 kristaps 1140: term_word(p, title);
1141: term_flushln(p);
1142: }
1.1 kristaps 1143:
1.118 schwarze 1144: p->flags &= ~TERMP_NOSPACE;
1.203 schwarze 1145: p->tcol->offset = 0;
1146: p->tcol->rmargin = p->maxrmargin;
1.61 kristaps 1147:
1.146 schwarze 1148: /*
1.126 schwarze 1149: * Groff prints three blank lines before the content.
1150: * Do the same, except in the temporary, undocumented
1151: * mode imitating mdoc(7) output.
1.62 kristaps 1152: */
1153:
1.61 kristaps 1154: term_vspace(p);
1.126 schwarze 1155: if ( ! p->mdocstyle) {
1156: term_vspace(p);
1157: term_vspace(p);
1158: }
1.147 schwarze 1159: free(title);
1.1 kristaps 1160: }
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