Annotation of mandoc/man.c, Revision 1.120
1.120 ! schwarze 1: /* $Id: man.c,v 1.119 2012/11/17 00:26:33 schwarze Exp $ */
1.1 kristaps 2: /*
1.102 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.1 kristaps 4: *
5: * Permission to use, copy, modify, and distribute this software for any
1.18 kristaps 6: * purpose with or without fee is hereby granted, provided that the above
7: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 8: *
1.18 kristaps 9: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 16: */
1.47 kristaps 17: #ifdef HAVE_CONFIG_H
18: #include "config.h"
19: #endif
20:
1.41 kristaps 21: #include <sys/types.h>
22:
1.1 kristaps 23: #include <assert.h>
24: #include <stdarg.h>
25: #include <stdlib.h>
26: #include <stdio.h>
27: #include <string.h>
28:
1.105 kristaps 29: #include "man.h"
1.74 kristaps 30: #include "mandoc.h"
1.1 kristaps 31: #include "libman.h"
1.45 kristaps 32: #include "libmandoc.h"
1.1 kristaps 33:
34: const char *const __man_macronames[MAN_MAX] = {
1.21 kristaps 35: "br", "TH", "SH", "SS",
1.1 kristaps 36: "TP", "LP", "PP", "P",
37: "IP", "HP", "SM", "SB",
38: "BI", "IB", "BR", "RB",
1.11 kristaps 39: "R", "B", "I", "IR",
1.92 kristaps 40: "RI", "na", "sp", "nf",
41: "fi", "RE", "RS", "DT",
42: "UC", "PD", "AT", "in",
1.120 ! schwarze 43: "ft", "OP", "EX", "EE",
! 44: "UR", "UE"
1.1 kristaps 45: };
46:
47: const char * const *man_macronames = __man_macronames;
48:
1.97 kristaps 49: static struct man_node *man_node_alloc(struct man *, int, int,
1.53 kristaps 50: enum man_type, enum mant);
1.1 kristaps 51: static int man_node_append(struct man *,
52: struct man_node *);
1.54 kristaps 53: static void man_node_free(struct man_node *);
54: static void man_node_unlink(struct man *,
55: struct man_node *);
1.72 kristaps 56: static int man_ptext(struct man *, int, char *, int);
1.79 kristaps 57: static int man_pmacro(struct man *, int, char *, int);
1.2 kristaps 58: static void man_free1(struct man *);
1.45 kristaps 59: static void man_alloc1(struct man *);
1.94 kristaps 60: static int man_descope(struct man *, int, int);
1.1 kristaps 61:
62:
63: const struct man_node *
1.119 schwarze 64: man_node(const struct man *man)
1.1 kristaps 65: {
66:
1.119 schwarze 67: assert( ! (MAN_HALT & man->flags));
68: return(man->first);
1.1 kristaps 69: }
70:
71:
72: const struct man_meta *
1.119 schwarze 73: man_meta(const struct man *man)
1.1 kristaps 74: {
75:
1.119 schwarze 76: assert( ! (MAN_HALT & man->flags));
77: return(&man->meta);
1.1 kristaps 78: }
79:
80:
1.45 kristaps 81: void
1.1 kristaps 82: man_reset(struct man *man)
83: {
84:
1.2 kristaps 85: man_free1(man);
1.45 kristaps 86: man_alloc1(man);
1.1 kristaps 87: }
88:
89:
90: void
91: man_free(struct man *man)
92: {
93:
1.2 kristaps 94: man_free1(man);
1.1 kristaps 95: free(man);
96: }
97:
98:
99: struct man *
1.108 kristaps 100: man_alloc(struct roff *roff, struct mparse *parse)
1.1 kristaps 101: {
102: struct man *p;
103:
1.45 kristaps 104: p = mandoc_calloc(1, sizeof(struct man));
1.2 kristaps 105:
1.40 kristaps 106: man_hash_init();
1.104 kristaps 107: p->parse = parse;
1.108 kristaps 108: p->roff = roff;
1.45 kristaps 109:
110: man_alloc1(p);
1.1 kristaps 111: return(p);
112: }
113:
114:
115: int
1.119 schwarze 116: man_endparse(struct man *man)
1.1 kristaps 117: {
118:
1.119 schwarze 119: assert( ! (MAN_HALT & man->flags));
120: if (man_macroend(man))
1.3 kristaps 121: return(1);
1.119 schwarze 122: man->flags |= MAN_HALT;
1.3 kristaps 123: return(0);
1.1 kristaps 124: }
125:
126:
127: int
1.119 schwarze 128: man_parseln(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 129: {
130:
1.119 schwarze 131: man->flags |= MAN_NEWLINE;
1.97 kristaps 132:
1.119 schwarze 133: assert( ! (MAN_HALT & man->flags));
1.107 kristaps 134:
1.119 schwarze 135: return (roff_getcontrol(man->roff, buf, &offs) ?
136: man_pmacro(man, ln, buf, offs) :
137: man_ptext(man, ln, buf, offs));
1.1 kristaps 138: }
139:
140:
1.2 kristaps 141: static void
142: man_free1(struct man *man)
143: {
144:
145: if (man->first)
1.54 kristaps 146: man_node_delete(man, man->first);
1.2 kristaps 147: if (man->meta.title)
148: free(man->meta.title);
1.6 kristaps 149: if (man->meta.source)
150: free(man->meta.source);
1.102 schwarze 151: if (man->meta.date)
152: free(man->meta.date);
1.2 kristaps 153: if (man->meta.vol)
154: free(man->meta.vol);
1.68 kristaps 155: if (man->meta.msec)
156: free(man->meta.msec);
1.2 kristaps 157: }
158:
159:
1.45 kristaps 160: static void
1.119 schwarze 161: man_alloc1(struct man *man)
1.2 kristaps 162: {
163:
1.119 schwarze 164: memset(&man->meta, 0, sizeof(struct man_meta));
165: man->flags = 0;
166: man->last = mandoc_calloc(1, sizeof(struct man_node));
167: man->first = man->last;
168: man->last->type = MAN_ROOT;
169: man->last->tok = MAN_MAX;
170: man->next = MAN_NEXT_CHILD;
1.2 kristaps 171: }
172:
173:
1.1 kristaps 174: static int
175: man_node_append(struct man *man, struct man_node *p)
176: {
177:
178: assert(man->last);
179: assert(man->first);
180: assert(MAN_ROOT != p->type);
181:
182: switch (man->next) {
183: case (MAN_NEXT_SIBLING):
184: man->last->next = p;
185: p->prev = man->last;
186: p->parent = man->last->parent;
187: break;
188: case (MAN_NEXT_CHILD):
189: man->last->child = p;
190: p->parent = man->last;
191: break;
192: default:
193: abort();
194: /* NOTREACHED */
195: }
1.22 kristaps 196:
1.54 kristaps 197: assert(p->parent);
1.22 kristaps 198: p->parent->nchild++;
1.1 kristaps 199:
1.29 kristaps 200: if ( ! man_valid_pre(man, p))
201: return(0);
202:
203: switch (p->type) {
204: case (MAN_HEAD):
205: assert(MAN_BLOCK == p->parent->type);
206: p->parent->head = p;
207: break;
1.106 kristaps 208: case (MAN_TAIL):
209: assert(MAN_BLOCK == p->parent->type);
210: p->parent->tail = p;
211: break;
1.29 kristaps 212: case (MAN_BODY):
213: assert(MAN_BLOCK == p->parent->type);
214: p->parent->body = p;
215: break;
216: default:
217: break;
218: }
219:
1.2 kristaps 220: man->last = p;
221:
1.1 kristaps 222: switch (p->type) {
1.94 kristaps 223: case (MAN_TBL):
224: /* FALLTHROUGH */
1.2 kristaps 225: case (MAN_TEXT):
226: if ( ! man_valid_post(man))
227: return(0);
1.1 kristaps 228: break;
229: default:
230: break;
231: }
232:
233: return(1);
234: }
235:
236:
237: static struct man_node *
1.119 schwarze 238: man_node_alloc(struct man *man, int line, int pos,
1.97 kristaps 239: enum man_type type, enum mant tok)
1.1 kristaps 240: {
241: struct man_node *p;
242:
1.45 kristaps 243: p = mandoc_calloc(1, sizeof(struct man_node));
1.1 kristaps 244: p->line = line;
245: p->pos = pos;
246: p->type = type;
1.16 kristaps 247: p->tok = tok;
1.97 kristaps 248:
1.119 schwarze 249: if (MAN_NEWLINE & man->flags)
1.97 kristaps 250: p->flags |= MAN_LINE;
1.119 schwarze 251: man->flags &= ~MAN_NEWLINE;
1.1 kristaps 252: return(p);
253: }
254:
255:
256: int
1.119 schwarze 257: man_elem_alloc(struct man *man, int line, int pos, enum mant tok)
1.1 kristaps 258: {
259: struct man_node *p;
260:
1.119 schwarze 261: p = man_node_alloc(man, line, pos, MAN_ELEM, tok);
262: if ( ! man_node_append(man, p))
1.106 kristaps 263: return(0);
1.119 schwarze 264: man->next = MAN_NEXT_CHILD;
1.106 kristaps 265: return(1);
266: }
267:
268:
269: int
1.119 schwarze 270: man_tail_alloc(struct man *man, int line, int pos, enum mant tok)
1.106 kristaps 271: {
272: struct man_node *p;
273:
1.119 schwarze 274: p = man_node_alloc(man, line, pos, MAN_TAIL, tok);
275: if ( ! man_node_append(man, p))
1.30 kristaps 276: return(0);
1.119 schwarze 277: man->next = MAN_NEXT_CHILD;
1.30 kristaps 278: return(1);
1.1 kristaps 279: }
280:
281:
282: int
1.119 schwarze 283: man_head_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 284: {
285: struct man_node *p;
286:
1.119 schwarze 287: p = man_node_alloc(man, line, pos, MAN_HEAD, tok);
288: if ( ! man_node_append(man, p))
1.29 kristaps 289: return(0);
1.119 schwarze 290: man->next = MAN_NEXT_CHILD;
1.29 kristaps 291: return(1);
292: }
293:
294:
295: int
1.119 schwarze 296: man_body_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 297: {
298: struct man_node *p;
299:
1.119 schwarze 300: p = man_node_alloc(man, line, pos, MAN_BODY, tok);
301: if ( ! man_node_append(man, p))
1.29 kristaps 302: return(0);
1.119 schwarze 303: man->next = MAN_NEXT_CHILD;
1.29 kristaps 304: return(1);
305: }
306:
307:
308: int
1.119 schwarze 309: man_block_alloc(struct man *man, int line, int pos, enum mant tok)
1.29 kristaps 310: {
311: struct man_node *p;
312:
1.119 schwarze 313: p = man_node_alloc(man, line, pos, MAN_BLOCK, tok);
314: if ( ! man_node_append(man, p))
1.29 kristaps 315: return(0);
1.119 schwarze 316: man->next = MAN_NEXT_CHILD;
1.29 kristaps 317: return(1);
318: }
319:
1.61 kristaps 320: int
1.119 schwarze 321: man_word_alloc(struct man *man, int line, int pos, const char *word)
1.1 kristaps 322: {
1.31 kristaps 323: struct man_node *n;
1.1 kristaps 324:
1.119 schwarze 325: n = man_node_alloc(man, line, pos, MAN_TEXT, MAN_MAX);
326: n->string = roff_strdup(man->roff, word);
1.31 kristaps 327:
1.119 schwarze 328: if ( ! man_node_append(man, n))
1.30 kristaps 329: return(0);
1.61 kristaps 330:
1.119 schwarze 331: man->next = MAN_NEXT_SIBLING;
1.30 kristaps 332: return(1);
1.1 kristaps 333: }
334:
335:
1.54 kristaps 336: /*
337: * Free all of the resources held by a node. This does NOT unlink a
338: * node from its context; for that, see man_node_unlink().
339: */
340: static void
1.1 kristaps 341: man_node_free(struct man_node *p)
342: {
343:
344: if (p->string)
345: free(p->string);
346: free(p);
347: }
348:
349:
350: void
1.119 schwarze 351: man_node_delete(struct man *man, struct man_node *p)
1.1 kristaps 352: {
353:
1.54 kristaps 354: while (p->child)
1.119 schwarze 355: man_node_delete(man, p->child);
1.54 kristaps 356:
1.119 schwarze 357: man_node_unlink(man, p);
1.1 kristaps 358: man_node_free(p);
359: }
360:
1.101 kristaps 361: int
1.119 schwarze 362: man_addeqn(struct man *man, const struct eqn *ep)
1.101 kristaps 363: {
364: struct man_node *n;
365:
1.119 schwarze 366: assert( ! (MAN_HALT & man->flags));
1.101 kristaps 367:
1.119 schwarze 368: n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX);
1.101 kristaps 369: n->eqn = ep;
370:
1.119 schwarze 371: if ( ! man_node_append(man, n))
1.101 kristaps 372: return(0);
373:
1.119 schwarze 374: man->next = MAN_NEXT_SIBLING;
375: return(man_descope(man, ep->ln, ep->pos));
1.101 kristaps 376: }
1.1 kristaps 377:
1.94 kristaps 378: int
1.119 schwarze 379: man_addspan(struct man *man, const struct tbl_span *sp)
1.94 kristaps 380: {
1.100 kristaps 381: struct man_node *n;
1.94 kristaps 382:
1.119 schwarze 383: assert( ! (MAN_HALT & man->flags));
1.100 kristaps 384:
1.119 schwarze 385: n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX);
1.100 kristaps 386: n->span = sp;
387:
1.119 schwarze 388: if ( ! man_node_append(man, n))
1.94 kristaps 389: return(0);
1.100 kristaps 390:
1.119 schwarze 391: man->next = MAN_NEXT_SIBLING;
392: return(man_descope(man, sp->line, 0));
1.94 kristaps 393: }
394:
395: static int
1.119 schwarze 396: man_descope(struct man *man, int line, int offs)
1.94 kristaps 397: {
398: /*
399: * Co-ordinate what happens with having a next-line scope open:
400: * first close out the element scope (if applicable), then close
401: * out the block scope (also if applicable).
402: */
403:
1.119 schwarze 404: if (MAN_ELINE & man->flags) {
405: man->flags &= ~MAN_ELINE;
406: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.94 kristaps 407: return(0);
408: }
409:
1.119 schwarze 410: if ( ! (MAN_BLINE & man->flags))
1.94 kristaps 411: return(1);
1.119 schwarze 412: man->flags &= ~MAN_BLINE;
1.94 kristaps 413:
1.119 schwarze 414: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.94 kristaps 415: return(0);
1.119 schwarze 416: return(man_body_alloc(man, line, offs, man->last->tok));
1.94 kristaps 417: }
418:
1.1 kristaps 419: static int
1.119 schwarze 420: man_ptext(struct man *man, int line, char *buf, int offs)
1.1 kristaps 421: {
1.61 kristaps 422: int i;
1.60 kristaps 423:
1.35 kristaps 424: /* Literal free-form text whitespace is preserved. */
425:
1.119 schwarze 426: if (MAN_LITERAL & man->flags) {
427: if ( ! man_word_alloc(man, line, offs, buf + offs))
1.35 kristaps 428: return(0);
1.119 schwarze 429: return(man_descope(man, line, offs));
1.35 kristaps 430: }
431:
1.61 kristaps 432: /* Pump blank lines directly into the backend. */
1.31 kristaps 433:
1.72 kristaps 434: for (i = offs; ' ' == buf[i]; i++)
1.31 kristaps 435: /* Skip leading whitespace. */ ;
1.48 kristaps 436:
1.49 kristaps 437: if ('\0' == buf[i]) {
1.61 kristaps 438: /* Allocate a blank entry. */
1.119 schwarze 439: if ( ! man_elem_alloc(man, line, offs, MAN_sp))
1.31 kristaps 440: return(0);
1.119 schwarze 441: man->next = MAN_NEXT_SIBLING;
1.118 schwarze 442: return(1);
1.31 kristaps 443: }
444:
1.63 kristaps 445: /*
446: * Warn if the last un-escaped character is whitespace. Then
447: * strip away the remaining spaces (tabs stay!).
448: */
1.29 kristaps 449:
1.61 kristaps 450: i = (int)strlen(buf);
451: assert(i);
1.49 kristaps 452:
1.63 kristaps 453: if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
1.64 kristaps 454: if (i > 1 && '\\' != buf[i - 2])
1.119 schwarze 455: man_pmsg(man, line, i - 1, MANDOCERR_EOLNSPACE);
1.63 kristaps 456:
457: for (--i; i && ' ' == buf[i]; i--)
458: /* Spin back to non-space. */ ;
459:
460: /* Jump ahead of escaped whitespace. */
461: i += '\\' == buf[i] ? 2 : 1;
462:
463: buf[i] = '\0';
464: }
1.49 kristaps 465:
1.119 schwarze 466: if ( ! man_word_alloc(man, line, offs, buf + offs))
1.1 kristaps 467: return(0);
1.65 kristaps 468:
469: /*
470: * End-of-sentence check. If the last character is an unescaped
471: * EOS character, then flag the node as being the end of a
472: * sentence. The front-end will know how to interpret this.
473: */
1.67 kristaps 474:
1.65 kristaps 475: assert(i);
1.83 schwarze 476: if (mandoc_eos(buf, (size_t)i, 0))
1.119 schwarze 477: man->last->flags |= MAN_EOS;
1.31 kristaps 478:
1.119 schwarze 479: return(man_descope(man, line, offs));
1.1 kristaps 480: }
481:
1.96 kristaps 482: static int
1.119 schwarze 483: man_pmacro(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 484: {
1.107 kristaps 485: int i, ppos;
1.53 kristaps 486: enum mant tok;
1.34 kristaps 487: char mac[5];
488: struct man_node *n;
1.1 kristaps 489:
1.107 kristaps 490: if ('"' == buf[offs]) {
1.119 schwarze 491: man_pmsg(man, ln, offs, MANDOCERR_BADCOMMENT);
1.107 kristaps 492: return(1);
493: } else if ('\0' == buf[offs])
1.46 kristaps 494: return(1);
1.1 kristaps 495:
1.107 kristaps 496: ppos = offs;
1.9 kristaps 497:
1.56 kristaps 498: /*
1.107 kristaps 499: * Copy the first word into a nil-terminated buffer.
500: * Stop copying when a tab, space, or eoln is encountered.
1.56 kristaps 501: */
1.62 kristaps 502:
1.107 kristaps 503: i = 0;
504: while (i < 4 && '\0' != buf[offs] &&
505: ' ' != buf[offs] && '\t' != buf[offs])
506: mac[i++] = buf[offs++];
1.10 kristaps 507:
1.107 kristaps 508: mac[i] = '\0';
1.1 kristaps 509:
1.107 kristaps 510: tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX;
1.1 kristaps 511:
1.87 schwarze 512: if (MAN_MAX == tok) {
1.119 schwarze 513: mandoc_vmsg(MANDOCERR_MACRO, man->parse, ln,
1.104 kristaps 514: ppos, "%s", buf + ppos - 1);
1.12 kristaps 515: return(1);
1.1 kristaps 516: }
517:
518: /* The macro is sane. Jump to the next word. */
519:
1.107 kristaps 520: while (buf[offs] && ' ' == buf[offs])
521: offs++;
1.1 kristaps 522:
1.62 kristaps 523: /*
524: * Trailing whitespace. Note that tabs are allowed to be passed
525: * into the parser as "text", so we only warn about spaces here.
526: */
1.48 kristaps 527:
1.107 kristaps 528: if ('\0' == buf[offs] && ' ' == buf[offs - 1])
1.119 schwarze 529: man_pmsg(man, ln, offs - 1, MANDOCERR_EOLNSPACE);
1.48 kristaps 530:
1.50 kristaps 531: /*
1.90 kristaps 532: * Remove prior ELINE macro, as it's being clobbered by a new
1.51 kristaps 533: * macro. Note that NSCOPED macros do not close out ELINE
534: * macros---they don't print text---so we let those slip by.
1.50 kristaps 535: */
1.34 kristaps 536:
1.53 kristaps 537: if ( ! (MAN_NSCOPED & man_macros[tok].flags) &&
1.119 schwarze 538: man->flags & MAN_ELINE) {
539: n = man->last;
1.90 kristaps 540: assert(MAN_TEXT != n->type);
1.51 kristaps 541:
1.90 kristaps 542: /* Remove repeated NSCOPED macros causing ELINE. */
1.51 kristaps 543:
1.90 kristaps 544: if (MAN_NSCOPED & man_macros[n->tok].flags)
545: n = n->parent;
1.51 kristaps 546:
1.119 schwarze 547: mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line,
1.113 schwarze 548: n->pos, "%s breaks %s", man_macronames[tok],
549: man_macronames[n->tok]);
1.34 kristaps 550:
1.119 schwarze 551: man_node_delete(man, n);
552: man->flags &= ~MAN_ELINE;
1.113 schwarze 553: }
554:
555: /*
556: * Remove prior BLINE macro that is being clobbered.
557: */
1.119 schwarze 558: if ((man->flags & MAN_BLINE) &&
1.113 schwarze 559: (MAN_BSCOPE & man_macros[tok].flags)) {
1.119 schwarze 560: n = man->last;
1.114 joerg 561:
562: /* Might be a text node like 8 in
563: * .TP 8
564: * .SH foo
565: */
566: if (MAN_TEXT == n->type)
567: n = n->parent;
1.113 schwarze 568:
569: /* Remove element that didn't end BLINE, if any. */
570: if ( ! (MAN_BSCOPE & man_macros[n->tok].flags))
571: n = n->parent;
572:
573: assert(MAN_HEAD == n->type);
574: n = n->parent;
575: assert(MAN_BLOCK == n->type);
576: assert(MAN_SCOPED & man_macros[n->tok].flags);
577:
1.119 schwarze 578: mandoc_vmsg(MANDOCERR_LINESCOPE, man->parse, n->line,
1.113 schwarze 579: n->pos, "%s breaks %s", man_macronames[tok],
580: man_macronames[n->tok]);
581:
1.119 schwarze 582: man_node_delete(man, n);
583: man->flags &= ~MAN_BLINE;
1.34 kristaps 584: }
585:
1.59 kristaps 586: /*
587: * Save the fact that we're in the next-line for a block. In
588: * this way, embedded roff instructions can "remember" state
589: * when they exit.
590: */
591:
1.119 schwarze 592: if (MAN_BLINE & man->flags)
593: man->flags |= MAN_BPLINE;
1.59 kristaps 594:
595: /* Call to handler... */
1.1 kristaps 596:
1.53 kristaps 597: assert(man_macros[tok].fp);
1.119 schwarze 598: if ( ! (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf))
1.1 kristaps 599: goto err;
600:
1.50 kristaps 601: /*
602: * We weren't in a block-line scope when entering the
603: * above-parsed macro, so return.
604: */
605:
1.119 schwarze 606: if ( ! (MAN_BPLINE & man->flags)) {
607: man->flags &= ~MAN_ILINE;
1.29 kristaps 608: return(1);
1.50 kristaps 609: }
1.119 schwarze 610: man->flags &= ~MAN_BPLINE;
1.50 kristaps 611:
612: /*
613: * If we're in a block scope, then allow this macro to slip by
614: * without closing scope around it.
615: */
616:
1.119 schwarze 617: if (MAN_ILINE & man->flags) {
618: man->flags &= ~MAN_ILINE;
1.50 kristaps 619: return(1);
620: }
1.29 kristaps 621:
622: /*
623: * If we've opened a new next-line element scope, then return
624: * now, as the next line will close out the block scope.
625: */
626:
1.119 schwarze 627: if (MAN_ELINE & man->flags)
1.29 kristaps 628: return(1);
629:
630: /* Close out the block scope opened in the prior line. */
1.11 kristaps 631:
1.119 schwarze 632: assert(MAN_BLINE & man->flags);
633: man->flags &= ~MAN_BLINE;
1.11 kristaps 634:
1.119 schwarze 635: if ( ! man_unscope(man, man->last->parent, MANDOCERR_MAX))
1.29 kristaps 636: return(0);
1.119 schwarze 637: return(man_body_alloc(man, ln, ppos, man->last->tok));
1.1 kristaps 638:
639: err: /* Error out. */
640:
1.119 schwarze 641: man->flags |= MAN_HALT;
1.1 kristaps 642: return(0);
643: }
1.51 kristaps 644:
1.54 kristaps 645: /*
1.119 schwarze 646: * Unlink a node from its context. If "man" is provided, the last parse
1.54 kristaps 647: * point will also be adjusted accordingly.
648: */
649: static void
1.119 schwarze 650: man_node_unlink(struct man *man, struct man_node *n)
1.51 kristaps 651: {
652:
1.54 kristaps 653: /* Adjust siblings. */
654:
655: if (n->prev)
1.51 kristaps 656: n->prev->next = n->next;
1.54 kristaps 657: if (n->next)
658: n->next->prev = n->prev;
659:
660: /* Adjust parent. */
661:
662: if (n->parent) {
663: n->parent->nchild--;
664: if (n->parent->child == n)
665: n->parent->child = n->prev ? n->prev : n->next;
666: }
667:
668: /* Adjust parse point, if applicable. */
669:
1.119 schwarze 670: if (man && man->last == n) {
1.54 kristaps 671: /*XXX: this can occur when bailing from validation. */
672: /*assert(NULL == n->next);*/
673: if (n->prev) {
1.119 schwarze 674: man->last = n->prev;
675: man->next = MAN_NEXT_SIBLING;
1.54 kristaps 676: } else {
1.119 schwarze 677: man->last = n->parent;
678: man->next = MAN_NEXT_CHILD;
1.51 kristaps 679: }
680: }
681:
1.119 schwarze 682: if (man && man->first == n)
683: man->first = NULL;
1.112 kristaps 684: }
685:
686: const struct mparse *
1.119 schwarze 687: man_mparse(const struct man *man)
1.112 kristaps 688: {
689:
1.119 schwarze 690: assert(man && man->parse);
691: return(man->parse);
1.23 kristaps 692: }
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