Annotation of src/usr.bin/mandoc/man.c, Revision 1.96
1.96 ! schwarze 1: /* $OpenBSD: man.c,v 1.95 2015/01/15 04:26:06 schwarze Exp $ */
1.1 kristaps 2: /*
1.52 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.73 schwarze 4: * Copyright (c) 2013, 2014 Ingo Schwarze <schwarze@openbsd.org>
1.74 schwarze 5: * Copyright (c) 2011 Joerg Sonnenberger <joerg@netbsd.org>
1.1 kristaps 6: *
7: * Permission to use, copy, modify, and distribute this software for any
1.2 schwarze 8: * purpose with or without fee is hereby granted, provided that the above
9: * copyright notice and this permission notice appear in all copies.
1.1 kristaps 10: *
1.2 schwarze 11: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15: * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16: * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17: * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
1.1 kristaps 18: */
1.14 schwarze 19: #include <sys/types.h>
20:
1.1 kristaps 21: #include <assert.h>
1.76 schwarze 22: #include <ctype.h>
1.1 kristaps 23: #include <stdarg.h>
24: #include <stdlib.h>
25: #include <stdio.h>
26: #include <string.h>
27:
1.59 schwarze 28: #include "man.h"
1.33 schwarze 29: #include "mandoc.h"
1.75 schwarze 30: #include "mandoc_aux.h"
1.1 kristaps 31: #include "libman.h"
1.16 schwarze 32: #include "libmandoc.h"
1.1 kristaps 33:
1.79 schwarze 34: const char *const __man_macronames[MAN_MAX] = {
1.3 schwarze 35: "br", "TH", "SH", "SS",
1.79 schwarze 36: "TP", "LP", "PP", "P",
1.1 kristaps 37: "IP", "HP", "SM", "SB",
38: "BI", "IB", "BR", "RB",
39: "R", "B", "I", "IR",
1.96 ! schwarze 40: "RI", "sp", "nf",
1.50 schwarze 41: "fi", "RE", "RS", "DT",
42: "UC", "PD", "AT", "in",
1.70 schwarze 43: "ft", "OP", "EX", "EE",
1.78 schwarze 44: "UR", "UE", "ll"
1.1 kristaps 45: };
46:
47: const char * const *man_macronames = __man_macronames;
48:
1.79 schwarze 49: static struct man_node *man_node_alloc(struct man *, int, int,
1.22 schwarze 50: enum man_type, enum mant);
1.92 schwarze 51: static void man_node_append(struct man *, struct man_node *);
1.22 schwarze 52: static void man_node_free(struct man_node *);
1.79 schwarze 53: static void man_node_unlink(struct man *,
1.22 schwarze 54: struct man_node *);
1.31 schwarze 55: static int man_ptext(struct man *, int, char *, int);
56: static int man_pmacro(struct man *, int, char *, int);
1.1 kristaps 57: static void man_free1(struct man *);
1.16 schwarze 58: static void man_alloc1(struct man *);
1.92 schwarze 59: static void man_descope(struct man *, int, int);
1.1 kristaps 60:
61:
62: const struct man_node *
1.69 schwarze 63: man_node(const struct man *man)
1.1 kristaps 64: {
65:
1.69 schwarze 66: return(man->first);
1.1 kristaps 67: }
68:
69: const struct man_meta *
1.69 schwarze 70: man_meta(const struct man *man)
1.1 kristaps 71: {
72:
1.69 schwarze 73: return(&man->meta);
1.1 kristaps 74: }
75:
1.16 schwarze 76: void
1.1 kristaps 77: man_reset(struct man *man)
78: {
79:
80: man_free1(man);
1.16 schwarze 81: man_alloc1(man);
1.1 kristaps 82: }
83:
84: void
85: man_free(struct man *man)
86: {
87:
88: man_free1(man);
89: free(man);
90: }
91:
92: struct man *
1.94 schwarze 93: man_alloc(struct roff *roff, struct mparse *parse,
94: const char *defos, int quick)
1.1 kristaps 95: {
96: struct man *p;
97:
1.16 schwarze 98: p = mandoc_calloc(1, sizeof(struct man));
1.1 kristaps 99:
1.13 schwarze 100: man_hash_init();
1.59 schwarze 101: p->parse = parse;
1.94 schwarze 102: p->defos = defos;
1.73 schwarze 103: p->quick = quick;
1.60 schwarze 104: p->roff = roff;
1.16 schwarze 105:
106: man_alloc1(p);
1.1 kristaps 107: return(p);
108: }
109:
1.95 schwarze 110: void
1.69 schwarze 111: man_endparse(struct man *man)
1.1 kristaps 112: {
113:
1.92 schwarze 114: man_macroend(man);
1.1 kristaps 115: }
116:
117: int
1.69 schwarze 118: man_parseln(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 119: {
1.25 schwarze 120:
1.89 schwarze 121: if (man->last->type != MAN_EQN || ln > man->last->line)
122: man->flags |= MAN_NEWLINE;
1.54 schwarze 123:
1.69 schwarze 124: return (roff_getcontrol(man->roff, buf, &offs) ?
1.79 schwarze 125: man_pmacro(man, ln, buf, offs) :
126: man_ptext(man, ln, buf, offs));
1.1 kristaps 127: }
128:
129: static void
130: man_free1(struct man *man)
131: {
132:
133: if (man->first)
1.22 schwarze 134: man_node_delete(man, man->first);
1.92 schwarze 135: free(man->meta.title);
136: free(man->meta.source);
137: free(man->meta.date);
138: free(man->meta.vol);
139: free(man->meta.msec);
1.1 kristaps 140: }
141:
1.16 schwarze 142: static void
1.69 schwarze 143: man_alloc1(struct man *man)
1.1 kristaps 144: {
145:
1.69 schwarze 146: memset(&man->meta, 0, sizeof(struct man_meta));
147: man->flags = 0;
148: man->last = mandoc_calloc(1, sizeof(struct man_node));
149: man->first = man->last;
150: man->last->type = MAN_ROOT;
151: man->last->tok = MAN_MAX;
152: man->next = MAN_NEXT_CHILD;
1.1 kristaps 153: }
154:
155:
1.92 schwarze 156: static void
1.1 kristaps 157: man_node_append(struct man *man, struct man_node *p)
158: {
159:
160: assert(man->last);
161: assert(man->first);
1.92 schwarze 162: assert(p->type != MAN_ROOT);
1.1 kristaps 163:
164: switch (man->next) {
1.79 schwarze 165: case MAN_NEXT_SIBLING:
1.1 kristaps 166: man->last->next = p;
167: p->prev = man->last;
168: p->parent = man->last->parent;
169: break;
1.79 schwarze 170: case MAN_NEXT_CHILD:
1.1 kristaps 171: man->last->child = p;
172: p->parent = man->last;
173: break;
174: default:
175: abort();
176: /* NOTREACHED */
177: }
1.79 schwarze 178:
1.22 schwarze 179: assert(p->parent);
1.5 schwarze 180: p->parent->nchild++;
1.1 kristaps 181:
1.9 schwarze 182: switch (p->type) {
1.86 schwarze 183: case MAN_BLOCK:
184: if (p->tok == MAN_SH || p->tok == MAN_SS)
185: man->flags &= ~MAN_LITERAL;
186: break;
1.79 schwarze 187: case MAN_HEAD:
1.92 schwarze 188: assert(p->parent->type == MAN_BLOCK);
1.9 schwarze 189: p->parent->head = p;
190: break;
1.79 schwarze 191: case MAN_BODY:
1.92 schwarze 192: assert(p->parent->type == MAN_BLOCK);
1.9 schwarze 193: p->parent->body = p;
194: break;
195: default:
196: break;
197: }
198:
1.1 kristaps 199: man->last = p;
200:
201: switch (p->type) {
1.79 schwarze 202: case MAN_TBL:
1.52 schwarze 203: /* FALLTHROUGH */
1.79 schwarze 204: case MAN_TEXT:
1.92 schwarze 205: man_valid_post(man);
1.1 kristaps 206: break;
207: default:
208: break;
209: }
210: }
211:
212: static struct man_node *
1.79 schwarze 213: man_node_alloc(struct man *man, int line, int pos,
1.54 schwarze 214: enum man_type type, enum mant tok)
1.1 kristaps 215: {
216: struct man_node *p;
217:
1.16 schwarze 218: p = mandoc_calloc(1, sizeof(struct man_node));
1.1 kristaps 219: p->line = line;
220: p->pos = pos;
221: p->type = type;
222: p->tok = tok;
1.54 schwarze 223:
1.92 schwarze 224: if (man->flags & MAN_NEWLINE)
1.54 schwarze 225: p->flags |= MAN_LINE;
1.69 schwarze 226: man->flags &= ~MAN_NEWLINE;
1.1 kristaps 227: return(p);
228: }
229:
1.92 schwarze 230: void
1.69 schwarze 231: man_elem_alloc(struct man *man, int line, int pos, enum mant tok)
1.1 kristaps 232: {
233: struct man_node *p;
234:
1.69 schwarze 235: p = man_node_alloc(man, line, pos, MAN_ELEM, tok);
1.92 schwarze 236: man_node_append(man, p);
1.69 schwarze 237: man->next = MAN_NEXT_CHILD;
1.1 kristaps 238: }
239:
1.92 schwarze 240: void
1.69 schwarze 241: man_head_alloc(struct man *man, int line, int pos, enum mant tok)
1.9 schwarze 242: {
243: struct man_node *p;
244:
1.69 schwarze 245: p = man_node_alloc(man, line, pos, MAN_HEAD, tok);
1.92 schwarze 246: man_node_append(man, p);
1.69 schwarze 247: man->next = MAN_NEXT_CHILD;
1.9 schwarze 248: }
249:
1.92 schwarze 250: void
1.69 schwarze 251: man_body_alloc(struct man *man, int line, int pos, enum mant tok)
1.9 schwarze 252: {
253: struct man_node *p;
254:
1.69 schwarze 255: p = man_node_alloc(man, line, pos, MAN_BODY, tok);
1.92 schwarze 256: man_node_append(man, p);
1.69 schwarze 257: man->next = MAN_NEXT_CHILD;
1.9 schwarze 258: }
259:
1.92 schwarze 260: void
1.69 schwarze 261: man_block_alloc(struct man *man, int line, int pos, enum mant tok)
1.9 schwarze 262: {
263: struct man_node *p;
264:
1.69 schwarze 265: p = man_node_alloc(man, line, pos, MAN_BLOCK, tok);
1.92 schwarze 266: man_node_append(man, p);
1.69 schwarze 267: man->next = MAN_NEXT_CHILD;
1.9 schwarze 268: }
269:
1.92 schwarze 270: void
1.69 schwarze 271: man_word_alloc(struct man *man, int line, int pos, const char *word)
1.1 kristaps 272: {
1.10 schwarze 273: struct man_node *n;
1.1 kristaps 274:
1.69 schwarze 275: n = man_node_alloc(man, line, pos, MAN_TEXT, MAN_MAX);
276: n->string = roff_strdup(man->roff, word);
1.92 schwarze 277: man_node_append(man, n);
1.69 schwarze 278: man->next = MAN_NEXT_SIBLING;
1.90 schwarze 279: }
280:
281: void
282: man_word_append(struct man *man, const char *word)
283: {
284: struct man_node *n;
285: char *addstr, *newstr;
286:
287: n = man->last;
288: addstr = roff_strdup(man->roff, word);
289: mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
290: free(addstr);
291: free(n->string);
292: n->string = newstr;
293: man->next = MAN_NEXT_SIBLING;
1.10 schwarze 294: }
295:
1.22 schwarze 296: /*
297: * Free all of the resources held by a node. This does NOT unlink a
298: * node from its context; for that, see man_node_unlink().
299: */
300: static void
1.1 kristaps 301: man_node_free(struct man_node *p)
302: {
303:
1.92 schwarze 304: free(p->string);
1.1 kristaps 305: free(p);
306: }
307:
308: void
1.69 schwarze 309: man_node_delete(struct man *man, struct man_node *p)
1.1 kristaps 310: {
311:
1.22 schwarze 312: while (p->child)
1.69 schwarze 313: man_node_delete(man, p->child);
1.22 schwarze 314:
1.69 schwarze 315: man_node_unlink(man, p);
1.1 kristaps 316: man_node_free(p);
317: }
318:
1.93 schwarze 319: void
1.69 schwarze 320: man_addeqn(struct man *man, const struct eqn *ep)
1.57 schwarze 321: {
322: struct man_node *n;
323:
1.69 schwarze 324: n = man_node_alloc(man, ep->ln, ep->pos, MAN_EQN, MAN_MAX);
1.57 schwarze 325: n->eqn = ep;
1.88 schwarze 326: if (ep->ln > man->last->line)
327: n->flags |= MAN_LINE;
1.92 schwarze 328: man_node_append(man, n);
1.69 schwarze 329: man->next = MAN_NEXT_SIBLING;
1.92 schwarze 330: man_descope(man, ep->ln, ep->pos);
1.57 schwarze 331: }
1.1 kristaps 332:
1.93 schwarze 333: void
1.69 schwarze 334: man_addspan(struct man *man, const struct tbl_span *sp)
1.52 schwarze 335: {
1.55 schwarze 336: struct man_node *n;
1.52 schwarze 337:
1.69 schwarze 338: n = man_node_alloc(man, sp->line, 0, MAN_TBL, MAN_MAX);
1.55 schwarze 339: n->span = sp;
1.92 schwarze 340: man_node_append(man, n);
1.69 schwarze 341: man->next = MAN_NEXT_SIBLING;
1.92 schwarze 342: man_descope(man, sp->line, 0);
1.52 schwarze 343: }
344:
1.92 schwarze 345: static void
1.69 schwarze 346: man_descope(struct man *man, int line, int offs)
1.52 schwarze 347: {
348: /*
349: * Co-ordinate what happens with having a next-line scope open:
350: * first close out the element scope (if applicable), then close
351: * out the block scope (also if applicable).
352: */
353:
1.92 schwarze 354: if (man->flags & MAN_ELINE) {
1.69 schwarze 355: man->flags &= ~MAN_ELINE;
1.92 schwarze 356: man_unscope(man, man->last->parent);
1.52 schwarze 357: }
1.92 schwarze 358: if ( ! (man->flags & MAN_BLINE))
359: return;
1.69 schwarze 360: man->flags &= ~MAN_BLINE;
1.92 schwarze 361: man_unscope(man, man->last->parent);
362: man_body_alloc(man, line, offs, man->last->tok);
1.52 schwarze 363: }
364:
1.1 kristaps 365: static int
1.69 schwarze 366: man_ptext(struct man *man, int line, char *buf, int offs)
1.1 kristaps 367: {
1.27 schwarze 368: int i;
1.26 schwarze 369:
1.10 schwarze 370: /* Literal free-form text whitespace is preserved. */
371:
1.92 schwarze 372: if (man->flags & MAN_LITERAL) {
373: man_word_alloc(man, line, offs, buf + offs);
374: man_descope(man, line, offs);
375: return(1);
1.10 schwarze 376: }
377:
1.92 schwarze 378: for (i = offs; buf[i] == ' '; i++)
1.10 schwarze 379: /* Skip leading whitespace. */ ;
1.18 schwarze 380:
1.71 schwarze 381: /*
382: * Blank lines are ignored right after headings
383: * but add a single vertical space elsewhere.
384: */
385:
1.92 schwarze 386: if (buf[i] == '\0') {
1.27 schwarze 387: /* Allocate a blank entry. */
1.92 schwarze 388: if (man->last->tok != MAN_SH &&
389: man->last->tok != MAN_SS) {
390: man_elem_alloc(man, line, offs, MAN_sp);
1.71 schwarze 391: man->next = MAN_NEXT_SIBLING;
392: }
1.68 schwarze 393: return(1);
1.10 schwarze 394: }
1.1 kristaps 395:
1.79 schwarze 396: /*
1.27 schwarze 397: * Warn if the last un-escaped character is whitespace. Then
1.79 schwarze 398: * strip away the remaining spaces (tabs stay!).
1.27 schwarze 399: */
1.18 schwarze 400:
1.27 schwarze 401: i = (int)strlen(buf);
402: assert(i);
1.18 schwarze 403:
1.27 schwarze 404: if (' ' == buf[i - 1] || '\t' == buf[i - 1]) {
405: if (i > 1 && '\\' != buf[i - 2])
1.81 schwarze 406: mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
407: line, i - 1, NULL);
1.18 schwarze 408:
1.27 schwarze 409: for (--i; i && ' ' == buf[i]; i--)
410: /* Spin back to non-space. */ ;
1.10 schwarze 411:
1.27 schwarze 412: /* Jump ahead of escaped whitespace. */
413: i += '\\' == buf[i] ? 2 : 1;
1.18 schwarze 414:
1.27 schwarze 415: buf[i] = '\0';
1.10 schwarze 416: }
1.92 schwarze 417: man_word_alloc(man, line, offs, buf + offs);
1.28 schwarze 418:
419: /*
420: * End-of-sentence check. If the last character is an unescaped
421: * EOS character, then flag the node as being the end of a
422: * sentence. The front-end will know how to interpret this.
423: */
424:
425: assert(i);
1.72 schwarze 426: if (mandoc_eos(buf, (size_t)i))
1.69 schwarze 427: man->last->flags |= MAN_EOS;
1.10 schwarze 428:
1.92 schwarze 429: man_descope(man, line, offs);
430: return(1);
1.1 kristaps 431: }
432:
1.53 schwarze 433: static int
1.69 schwarze 434: man_pmacro(struct man *man, int ln, char *buf, int offs)
1.1 kristaps 435: {
1.10 schwarze 436: struct man_node *n;
1.91 schwarze 437: const char *cp;
1.84 schwarze 438: enum mant tok;
439: int i, ppos;
440: int bline;
1.91 schwarze 441: char mac[5];
1.1 kristaps 442:
1.59 schwarze 443: ppos = offs;
1.1 kristaps 444:
1.23 schwarze 445: /*
1.59 schwarze 446: * Copy the first word into a nil-terminated buffer.
1.91 schwarze 447: * Stop when a space, tab, escape, or eoln is encountered.
1.23 schwarze 448: */
1.27 schwarze 449:
1.59 schwarze 450: i = 0;
1.91 schwarze 451: while (i < 4 && strchr(" \t\\", buf[offs]) == NULL)
1.59 schwarze 452: mac[i++] = buf[offs++];
1.1 kristaps 453:
1.59 schwarze 454: mac[i] = '\0';
1.1 kristaps 455:
1.59 schwarze 456: tok = (i > 0 && i < 4) ? man_hash_find(mac) : MAN_MAX;
1.1 kristaps 457:
1.91 schwarze 458: if (tok == MAN_MAX) {
1.85 schwarze 459: mandoc_msg(MANDOCERR_MACRO, man->parse,
460: ln, ppos, buf + ppos - 1);
1.1 kristaps 461: return(1);
462: }
463:
1.91 schwarze 464: /* Skip a leading escape sequence or tab. */
465:
466: switch (buf[offs]) {
467: case '\\':
468: cp = buf + offs + 1;
469: mandoc_escape(&cp, NULL, NULL);
470: offs = cp - buf;
471: break;
472: case '\t':
473: offs++;
474: break;
475: default:
476: break;
477: }
478:
479: /* Jump to the next non-whitespace word. */
1.1 kristaps 480:
1.92 schwarze 481: while (buf[offs] && buf[offs] == ' ')
1.59 schwarze 482: offs++;
1.18 schwarze 483:
1.79 schwarze 484: /*
1.27 schwarze 485: * Trailing whitespace. Note that tabs are allowed to be passed
486: * into the parser as "text", so we only warn about spaces here.
487: */
1.18 schwarze 488:
1.92 schwarze 489: if (buf[offs] == '\0' && buf[offs - 1] == ' ')
1.81 schwarze 490: mandoc_msg(MANDOCERR_SPACE_EOL, man->parse,
491: ln, offs - 1, NULL);
1.1 kristaps 492:
1.79 schwarze 493: /*
1.46 schwarze 494: * Remove prior ELINE macro, as it's being clobbered by a new
1.21 schwarze 495: * macro. Note that NSCOPED macros do not close out ELINE
496: * macros---they don't print text---so we let those slip by.
497: */
498:
1.92 schwarze 499: if ( ! (man_macros[tok].flags & MAN_NSCOPED) &&
1.69 schwarze 500: man->flags & MAN_ELINE) {
501: n = man->last;
1.46 schwarze 502: assert(MAN_TEXT != n->type);
1.21 schwarze 503:
1.49 schwarze 504: /* Remove repeated NSCOPED macros causing ELINE. */
505:
1.92 schwarze 506: if (man_macros[n->tok].flags & MAN_NSCOPED)
1.46 schwarze 507: n = n->parent;
1.21 schwarze 508:
1.83 schwarze 509: mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line,
1.63 schwarze 510: n->pos, "%s breaks %s", man_macronames[tok],
511: man_macronames[n->tok]);
1.10 schwarze 512:
1.69 schwarze 513: man_node_delete(man, n);
514: man->flags &= ~MAN_ELINE;
1.63 schwarze 515: }
516:
517: /*
518: * Remove prior BLINE macro that is being clobbered.
519: */
1.69 schwarze 520: if ((man->flags & MAN_BLINE) &&
1.92 schwarze 521: (man_macros[tok].flags & MAN_BSCOPE)) {
1.69 schwarze 522: n = man->last;
1.64 schwarze 523:
524: /* Might be a text node like 8 in
525: * .TP 8
526: * .SH foo
527: */
1.92 schwarze 528: if (n->type == MAN_TEXT)
1.64 schwarze 529: n = n->parent;
1.63 schwarze 530:
531: /* Remove element that didn't end BLINE, if any. */
1.92 schwarze 532: if ( ! (man_macros[n->tok].flags & MAN_BSCOPE))
1.63 schwarze 533: n = n->parent;
534:
1.92 schwarze 535: assert(n->type == MAN_HEAD);
1.63 schwarze 536: n = n->parent;
1.92 schwarze 537: assert(n->type == MAN_BLOCK);
538: assert(man_macros[n->tok].flags & MAN_SCOPED);
1.63 schwarze 539:
1.83 schwarze 540: mandoc_vmsg(MANDOCERR_BLK_LINE, man->parse, n->line,
1.63 schwarze 541: n->pos, "%s breaks %s", man_macronames[tok],
542: man_macronames[n->tok]);
543:
1.69 schwarze 544: man_node_delete(man, n);
545: man->flags &= ~MAN_BLINE;
1.10 schwarze 546: }
547:
1.84 schwarze 548: /* Remember whether we are in next-line scope for a block head. */
1.24 schwarze 549:
1.84 schwarze 550: bline = man->flags & MAN_BLINE;
1.24 schwarze 551:
552: /* Call to handler... */
1.1 kristaps 553:
1.22 schwarze 554: assert(man_macros[tok].fp);
1.92 schwarze 555: (*man_macros[tok].fp)(man, tok, ln, ppos, &offs, buf);
1.73 schwarze 556:
557: /* In quick mode (for mandocdb), abort after the NAME section. */
558:
1.92 schwarze 559: if (man->quick && tok == MAN_SH) {
1.80 schwarze 560: n = man->last;
1.92 schwarze 561: if (n->type == MAN_BODY &&
1.80 schwarze 562: strcmp(n->prev->child->string, "NAME"))
563: return(2);
564: }
1.1 kristaps 565:
1.79 schwarze 566: /*
1.84 schwarze 567: * If we are in a next-line scope for a block head,
568: * close it out now and switch to the body,
569: * unless the next-line scope is allowed to continue.
1.21 schwarze 570: */
571:
1.84 schwarze 572: if ( ! bline || man->flags & MAN_ELINE ||
573: man_macros[tok].flags & MAN_NSCOPED)
1.21 schwarze 574: return(1);
1.1 kristaps 575:
1.92 schwarze 576: assert(man->flags & MAN_BLINE);
1.69 schwarze 577: man->flags &= ~MAN_BLINE;
1.1 kristaps 578:
1.92 schwarze 579: man_unscope(man, man->last->parent);
580: man_body_alloc(man, ln, ppos, man->last->tok);
581: return(1);
1.1 kristaps 582: }
1.21 schwarze 583:
1.22 schwarze 584: /*
1.69 schwarze 585: * Unlink a node from its context. If "man" is provided, the last parse
1.22 schwarze 586: * point will also be adjusted accordingly.
587: */
588: static void
1.69 schwarze 589: man_node_unlink(struct man *man, struct man_node *n)
1.21 schwarze 590: {
591:
1.22 schwarze 592: /* Adjust siblings. */
593:
594: if (n->prev)
1.21 schwarze 595: n->prev->next = n->next;
1.22 schwarze 596: if (n->next)
597: n->next->prev = n->prev;
598:
599: /* Adjust parent. */
600:
601: if (n->parent) {
602: n->parent->nchild--;
603: if (n->parent->child == n)
604: n->parent->child = n->prev ? n->prev : n->next;
605: }
606:
607: /* Adjust parse point, if applicable. */
608:
1.69 schwarze 609: if (man && man->last == n) {
1.22 schwarze 610: /*XXX: this can occur when bailing from validation. */
611: /*assert(NULL == n->next);*/
612: if (n->prev) {
1.69 schwarze 613: man->last = n->prev;
614: man->next = MAN_NEXT_SIBLING;
1.22 schwarze 615: } else {
1.69 schwarze 616: man->last = n->parent;
617: man->next = MAN_NEXT_CHILD;
1.21 schwarze 618: }
619: }
620:
1.69 schwarze 621: if (man && man->first == n)
622: man->first = NULL;
1.62 schwarze 623: }
624:
625: const struct mparse *
1.69 schwarze 626: man_mparse(const struct man *man)
1.62 schwarze 627: {
628:
1.69 schwarze 629: assert(man && man->parse);
630: return(man->parse);
1.76 schwarze 631: }
632:
633: void
634: man_deroff(char **dest, const struct man_node *n)
635: {
636: char *cp;
637: size_t sz;
638:
1.92 schwarze 639: if (n->type != MAN_TEXT) {
1.76 schwarze 640: for (n = n->child; n; n = n->next)
641: man_deroff(dest, n);
642: return;
643: }
644:
1.77 schwarze 645: /* Skip leading whitespace and escape sequences. */
1.76 schwarze 646:
1.77 schwarze 647: cp = n->string;
648: while ('\0' != *cp) {
649: if ('\\' == *cp) {
650: cp++;
651: mandoc_escape((const char **)&cp, NULL, NULL);
652: } else if (isspace((unsigned char)*cp))
653: cp++;
654: else
1.76 schwarze 655: break;
1.77 schwarze 656: }
1.76 schwarze 657:
658: /* Skip trailing whitespace. */
659:
660: for (sz = strlen(cp); sz; sz--)
661: if (0 == isspace((unsigned char)cp[sz-1]))
662: break;
663:
664: /* Skip empty strings. */
665:
666: if (0 == sz)
667: return;
668:
669: if (NULL == *dest) {
670: *dest = mandoc_strndup(cp, sz);
671: return;
672: }
673:
674: mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
675: free(*dest);
676: *dest = cp;
1.4 schwarze 677: }
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