Annotation of src/usr.bin/mandoc/mdoc.c, Revision 1.136
1.136 ! schwarze 1: /* $OpenBSD: mdoc.c,v 1.135 2015/04/18 17:50:02 schwarze Exp $ */
1.1 kristaps 2: /*
1.77 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.126 schwarze 4: * Copyright (c) 2010, 2012-2015 Ingo Schwarze <schwarze@openbsd.org>
1.1 kristaps 5: *
6: * Permission to use, copy, modify, and distribute this software for any
1.3 schwarze 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: *
1.130 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.3 schwarze 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.130 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.3 schwarze 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: */
1.28 schwarze 18: #include <sys/types.h>
19:
1.1 kristaps 20: #include <assert.h>
1.101 schwarze 21: #include <ctype.h>
1.1 kristaps 22: #include <stdarg.h>
23: #include <stdio.h>
24: #include <stdlib.h>
25: #include <string.h>
1.39 schwarze 26: #include <time.h>
1.1 kristaps 27:
1.128 schwarze 28: #include "mandoc_aux.h"
29: #include "mandoc.h"
30: #include "roff.h"
1.83 schwarze 31: #include "mdoc.h"
1.128 schwarze 32: #include "libmandoc.h"
1.136 ! schwarze 33: #include "roff_int.h"
1.1 kristaps 34: #include "libmdoc.h"
35:
1.106 schwarze 36: const char *const __mdoc_macronames[MDOC_MAX + 1] = {
1.7 schwarze 37: "Ap", "Dd", "Dt", "Os",
1.1 kristaps 38: "Sh", "Ss", "Pp", "D1",
39: "Dl", "Bd", "Ed", "Bl",
40: "El", "It", "Ad", "An",
41: "Ar", "Cd", "Cm", "Dv",
42: "Er", "Ev", "Ex", "Fa",
43: "Fd", "Fl", "Fn", "Ft",
44: "Ic", "In", "Li", "Nd",
45: "Nm", "Op", "Ot", "Pa",
46: "Rv", "St", "Va", "Vt",
1.33 schwarze 47: "Xr", "%A", "%B", "%D",
48: "%I", "%J", "%N", "%O",
49: "%P", "%R", "%T", "%V",
1.1 kristaps 50: "Ac", "Ao", "Aq", "At",
51: "Bc", "Bf", "Bo", "Bq",
52: "Bsx", "Bx", "Db", "Dc",
53: "Do", "Dq", "Ec", "Ef",
54: "Em", "Eo", "Fx", "Ms",
55: "No", "Ns", "Nx", "Ox",
56: "Pc", "Pf", "Po", "Pq",
57: "Qc", "Ql", "Qo", "Qq",
58: "Re", "Rs", "Sc", "So",
59: "Sq", "Sm", "Sx", "Sy",
60: "Tn", "Ux", "Xc", "Xo",
61: "Fo", "Fc", "Oo", "Oc",
62: "Bk", "Ek", "Bt", "Hf",
1.7 schwarze 63: "Fr", "Ud", "Lb", "Lp",
64: "Lk", "Mt", "Brq", "Bro",
1.33 schwarze 65: "Brc", "%C", "Es", "En",
66: "Dx", "%Q", "br", "sp",
1.106 schwarze 67: "%U", "Ta", "ll", "text",
1.1 kristaps 68: };
69:
1.103 schwarze 70: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
1.1 kristaps 71: "split", "nosplit", "ragged",
1.103 schwarze 72: "unfilled", "literal", "file",
73: "offset", "bullet", "dash",
74: "hyphen", "item", "enum",
75: "tag", "diag", "hang",
76: "ohang", "inset", "column",
77: "width", "compact", "std",
1.1 kristaps 78: "filled", "words", "emphasis",
1.30 schwarze 79: "symbolic", "nested", "centered"
1.1 kristaps 80: };
81:
82: const char * const *mdoc_macronames = __mdoc_macronames;
83: const char * const *mdoc_argnames = __mdoc_argnames;
84:
1.131 schwarze 85: static int mdoc_ptext(struct roff_man *, int, char *, int);
86: static int mdoc_pmacro(struct roff_man *, int, char *, int);
1.1 kristaps 87:
88:
1.123 schwarze 89: void
1.131 schwarze 90: mdoc_endparse(struct roff_man *mdoc)
1.1 kristaps 91: {
92:
1.121 schwarze 93: mdoc_macroend(mdoc);
1.81 schwarze 94: }
95:
1.122 schwarze 96: void
1.131 schwarze 97: mdoc_addeqn(struct roff_man *mdoc, const struct eqn *ep)
1.81 schwarze 98: {
1.129 schwarze 99: struct roff_node *n;
1.81 schwarze 100:
1.136 ! schwarze 101: n = roff_node_alloc(mdoc, ep->ln, ep->pos, ROFFT_EQN, MDOC_MAX);
1.81 schwarze 102: n->eqn = ep;
1.116 schwarze 103: if (ep->ln > mdoc->last->line)
104: n->flags |= MDOC_LINE;
1.136 ! schwarze 105: roff_node_append(mdoc, n);
1.131 schwarze 106: mdoc->next = ROFF_NEXT_SIBLING;
1.1 kristaps 107: }
108:
1.122 schwarze 109: void
1.131 schwarze 110: mdoc_addspan(struct roff_man *mdoc, const struct tbl_span *sp)
1.77 schwarze 111: {
1.129 schwarze 112: struct roff_node *n;
1.77 schwarze 113:
1.136 ! schwarze 114: n = roff_node_alloc(mdoc, sp->line, 0, ROFFT_TBL, MDOC_MAX);
1.79 schwarze 115: n->span = sp;
1.136 ! schwarze 116: roff_node_append(mdoc, n);
! 117: mdoc_valid_post(mdoc);
1.131 schwarze 118: mdoc->next = ROFF_NEXT_SIBLING;
1.77 schwarze 119: }
120:
1.1 kristaps 121: /*
122: * Main parse routine. Parses a single line -- really just hands off to
1.45 schwarze 123: * the macro (mdoc_pmacro()) or text parser (mdoc_ptext()).
1.1 kristaps 124: */
125: int
1.131 schwarze 126: mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, int offs)
1.1 kristaps 127: {
128:
1.128 schwarze 129: if (mdoc->last->type != ROFFT_EQN || ln > mdoc->last->line)
1.117 schwarze 130: mdoc->flags |= MDOC_NEWLINE;
1.60 schwarze 131:
132: /*
133: * Let the roff nS register switch SYNOPSIS mode early,
134: * such that the parser knows at all times
135: * whether this mode is on or off.
136: * Note that this mode is also switched by the Sh macro.
137: */
1.94 schwarze 138: if (roff_getreg(mdoc->roff, "nS"))
139: mdoc->flags |= MDOC_SYNOPSIS;
140: else
141: mdoc->flags &= ~MDOC_SYNOPSIS;
1.60 schwarze 142:
1.93 schwarze 143: return(roff_getcontrol(mdoc->roff, buf, &offs) ?
1.103 schwarze 144: mdoc_pmacro(mdoc, ln, buf, offs) :
145: mdoc_ptext(mdoc, ln, buf, offs));
1.1 kristaps 146: }
147:
1.121 schwarze 148: void
1.58 schwarze 149: mdoc_macro(MACRO_PROT_ARGS)
1.1 kristaps 150: {
1.46 schwarze 151: assert(tok < MDOC_MAX);
152:
1.113 schwarze 153: if (mdoc->flags & MDOC_PBODY) {
154: if (tok == MDOC_Dt) {
155: mandoc_vmsg(MANDOCERR_DT_LATE,
156: mdoc->parse, line, ppos,
157: "Dt %s", buf + *pos);
1.121 schwarze 158: return;
1.113 schwarze 159: }
160: } else if ( ! (mdoc_macros[tok].flags & MDOC_PROLOGUE)) {
161: if (mdoc->meta.title == NULL) {
162: mandoc_vmsg(MANDOCERR_DT_NOTITLE,
163: mdoc->parse, line, ppos, "%s %s",
164: mdoc_macronames[tok], buf + *pos);
165: mdoc->meta.title = mandoc_strdup("UNTITLED");
166: }
1.93 schwarze 167: if (NULL == mdoc->meta.vol)
168: mdoc->meta.vol = mandoc_strdup("LOCAL");
169: mdoc->flags |= MDOC_PBODY;
1.39 schwarze 170: }
1.121 schwarze 171: (*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf);
1.1 kristaps 172: }
173:
1.120 schwarze 174: void
1.131 schwarze 175: mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, int tok)
1.1 kristaps 176: {
1.129 schwarze 177: struct roff_node *p;
1.1 kristaps 178:
1.136 ! schwarze 179: p = roff_node_alloc(mdoc, line, pos, ROFFT_TAIL, tok);
! 180: roff_node_append(mdoc, p);
1.131 schwarze 181: mdoc->next = ROFF_NEXT_CHILD;
1.59 schwarze 182: }
183:
1.129 schwarze 184: struct roff_node *
1.131 schwarze 185: mdoc_endbody_alloc(struct roff_man *mdoc, int line, int pos, int tok,
1.129 schwarze 186: struct roff_node *body, enum mdoc_endbody end)
1.59 schwarze 187: {
1.129 schwarze 188: struct roff_node *p;
1.59 schwarze 189:
1.126 schwarze 190: body->flags |= MDOC_ENDED;
191: body->parent->flags |= MDOC_ENDED;
1.136 ! schwarze 192: p = roff_node_alloc(mdoc, line, pos, ROFFT_BODY, tok);
1.126 schwarze 193: p->body = body;
1.92 schwarze 194: p->norm = body->norm;
1.59 schwarze 195: p->end = end;
1.136 ! schwarze 196: roff_node_append(mdoc, p);
1.131 schwarze 197: mdoc->next = ROFF_NEXT_SIBLING;
1.124 schwarze 198: return(p);
1.1 kristaps 199: }
200:
1.129 schwarze 201: struct roff_node *
1.131 schwarze 202: mdoc_block_alloc(struct roff_man *mdoc, int line, int pos,
1.129 schwarze 203: int tok, struct mdoc_arg *args)
1.1 kristaps 204: {
1.129 schwarze 205: struct roff_node *p;
1.1 kristaps 206:
1.136 ! schwarze 207: p = roff_node_alloc(mdoc, line, pos, ROFFT_BLOCK, tok);
1.4 schwarze 208: p->args = args;
209: if (p->args)
1.1 kristaps 210: (args->refcnt)++;
1.75 schwarze 211:
212: switch (tok) {
1.103 schwarze 213: case MDOC_Bd:
1.75 schwarze 214: /* FALLTHROUGH */
1.103 schwarze 215: case MDOC_Bf:
1.75 schwarze 216: /* FALLTHROUGH */
1.103 schwarze 217: case MDOC_Bl:
1.107 schwarze 218: /* FALLTHROUGH */
219: case MDOC_En:
1.75 schwarze 220: /* FALLTHROUGH */
1.103 schwarze 221: case MDOC_Rs:
1.75 schwarze 222: p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
223: break;
224: default:
225: break;
226: }
1.136 ! schwarze 227: roff_node_append(mdoc, p);
1.131 schwarze 228: mdoc->next = ROFF_NEXT_CHILD;
1.120 schwarze 229: return(p);
1.1 kristaps 230: }
231:
1.120 schwarze 232: void
1.131 schwarze 233: mdoc_elem_alloc(struct roff_man *mdoc, int line, int pos,
1.129 schwarze 234: int tok, struct mdoc_arg *args)
1.1 kristaps 235: {
1.129 schwarze 236: struct roff_node *p;
1.1 kristaps 237:
1.136 ! schwarze 238: p = roff_node_alloc(mdoc, line, pos, ROFFT_ELEM, tok);
1.4 schwarze 239: p->args = args;
240: if (p->args)
1.1 kristaps 241: (args->refcnt)++;
1.75 schwarze 242:
243: switch (tok) {
1.103 schwarze 244: case MDOC_An:
1.75 schwarze 245: p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
246: break;
247: default:
248: break;
249: }
1.136 ! schwarze 250: roff_node_append(mdoc, p);
1.131 schwarze 251: mdoc->next = ROFF_NEXT_CHILD;
1.1 kristaps 252: }
253:
1.120 schwarze 254: void
1.131 schwarze 255: mdoc_word_alloc(struct roff_man *mdoc, int line, int pos, const char *p)
1.1 kristaps 256: {
1.129 schwarze 257: struct roff_node *n;
1.1 kristaps 258:
1.136 ! schwarze 259: n = roff_node_alloc(mdoc, line, pos, ROFFT_TEXT, MDOC_MAX);
1.93 schwarze 260: n->string = roff_strdup(mdoc->roff, p);
1.136 ! schwarze 261: roff_node_append(mdoc, n);
! 262: mdoc_valid_post(mdoc);
1.131 schwarze 263: mdoc->next = ROFF_NEXT_SIBLING;
1.19 schwarze 264: }
265:
1.95 schwarze 266: void
1.131 schwarze 267: mdoc_word_append(struct roff_man *mdoc, const char *p)
1.95 schwarze 268: {
1.129 schwarze 269: struct roff_node *n;
1.95 schwarze 270: char *addstr, *newstr;
271:
272: n = mdoc->last;
273: addstr = roff_strdup(mdoc->roff, p);
1.100 schwarze 274: mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
1.95 schwarze 275: free(addstr);
276: free(n->string);
277: n->string = newstr;
1.131 schwarze 278: mdoc->next = ROFF_NEXT_SIBLING;
1.95 schwarze 279: }
1.19 schwarze 280:
1.120 schwarze 281: void
1.131 schwarze 282: mdoc_node_relink(struct roff_man *mdoc, struct roff_node *p)
1.91 schwarze 283: {
284:
1.136 ! schwarze 285: roff_node_unlink(mdoc, p);
! 286: roff_node_append(mdoc, p);
1.1 kristaps 287: }
288:
289: /*
290: * Parse free-form text, that is, a line that does not begin with the
291: * control character.
292: */
293: static int
1.131 schwarze 294: mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs)
1.1 kristaps 295: {
1.129 schwarze 296: struct roff_node *n;
1.56 schwarze 297: char *c, *ws, *end;
1.46 schwarze 298:
1.93 schwarze 299: assert(mdoc->last);
300: n = mdoc->last;
1.56 schwarze 301:
302: /*
303: * Divert directly to list processing if we're encountering a
1.128 schwarze 304: * columnar ROFFT_BLOCK with or without a prior ROFFT_BLOCK entry
305: * (a ROFFT_BODY means it's already open, in which case we should
1.56 schwarze 306: * process within its context in the normal way).
307: */
308:
1.128 schwarze 309: if (n->tok == MDOC_Bl && n->type == ROFFT_BODY &&
1.127 schwarze 310: n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) {
1.56 schwarze 311: /* `Bl' is open without any children. */
1.93 schwarze 312: mdoc->flags |= MDOC_FREECOL;
1.121 schwarze 313: mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf);
314: return(1);
1.56 schwarze 315: }
316:
1.128 schwarze 317: if (n->tok == MDOC_It && n->type == ROFFT_BLOCK &&
1.103 schwarze 318: NULL != n->parent &&
319: MDOC_Bl == n->parent->tok &&
320: LIST_column == n->parent->norm->Bl.type) {
1.56 schwarze 321: /* `Bl' has block-level `It' children. */
1.93 schwarze 322: mdoc->flags |= MDOC_FREECOL;
1.121 schwarze 323: mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf);
324: return(1);
1.56 schwarze 325: }
326:
1.52 schwarze 327: /*
328: * Search for the beginning of unescaped trailing whitespace (ws)
329: * and for the first character not to be output (end).
330: */
1.56 schwarze 331:
332: /* FIXME: replace with strcspn(). */
1.52 schwarze 333: ws = NULL;
1.53 schwarze 334: for (c = end = buf + offs; *c; c++) {
1.52 schwarze 335: switch (*c) {
336: case ' ':
337: if (NULL == ws)
338: ws = c;
339: continue;
340: case '\t':
341: /*
342: * Always warn about trailing tabs,
343: * even outside literal context,
344: * where they should be put on the next line.
345: */
346: if (NULL == ws)
347: ws = c;
348: /*
349: * Strip trailing tabs in literal context only;
350: * outside, they affect the next line.
351: */
1.93 schwarze 352: if (MDOC_LITERAL & mdoc->flags)
1.52 schwarze 353: continue;
354: break;
355: case '\\':
356: /* Skip the escaped character, too, if any. */
357: if (c[1])
358: c++;
359: /* FALLTHROUGH */
360: default:
361: ws = NULL;
362: break;
363: }
364: end = c + 1;
365: }
366: *end = '\0';
1.19 schwarze 367:
1.52 schwarze 368: if (ws)
1.108 schwarze 369: mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse,
370: line, (int)(ws-buf), NULL);
1.34 schwarze 371:
1.120 schwarze 372: if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) {
1.108 schwarze 373: mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse,
374: line, (int)(c - buf), NULL);
1.46 schwarze 375:
1.40 schwarze 376: /*
1.66 schwarze 377: * Insert a `sp' in the case of a blank line. Technically,
1.46 schwarze 378: * blank lines aren't allowed, but enough manuals assume this
379: * behaviour that we want to work around it.
1.40 schwarze 380: */
1.120 schwarze 381: mdoc_elem_alloc(mdoc, line, offs, MDOC_sp, NULL);
1.131 schwarze 382: mdoc->next = ROFF_NEXT_SIBLING;
1.119 schwarze 383: mdoc_valid_post(mdoc);
384: return(1);
1.38 schwarze 385: }
1.1 kristaps 386:
1.120 schwarze 387: mdoc_word_alloc(mdoc, line, offs, buf+offs);
1.1 kristaps 388:
1.120 schwarze 389: if (mdoc->flags & MDOC_LITERAL)
1.52 schwarze 390: return(1);
391:
1.35 schwarze 392: /*
1.48 schwarze 393: * End-of-sentence check. If the last character is an unescaped
394: * EOS character, then flag the node as being the end of a
395: * sentence. The front-end will know how to interpret this.
1.35 schwarze 396: */
397:
1.52 schwarze 398: assert(buf < end);
1.48 schwarze 399:
1.97 schwarze 400: if (mandoc_eos(buf+offs, (size_t)(end-buf-offs)))
1.93 schwarze 401: mdoc->last->flags |= MDOC_EOS;
1.1 kristaps 402: return(1);
403: }
1.19 schwarze 404:
1.1 kristaps 405: /*
406: * Parse a macro line, that is, a line beginning with the control
407: * character.
408: */
1.61 schwarze 409: static int
1.131 schwarze 410: mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, int offs)
1.1 kristaps 411: {
1.129 schwarze 412: struct roff_node *n;
1.118 schwarze 413: const char *cp;
1.129 schwarze 414: int tok;
1.83 schwarze 415: int i, sv;
1.56 schwarze 416: char mac[5];
1.1 kristaps 417:
1.83 schwarze 418: sv = offs;
1.47 schwarze 419:
1.103 schwarze 420: /*
1.64 schwarze 421: * Copy the first word into a nil-terminated buffer.
1.118 schwarze 422: * Stop when a space, tab, escape, or eoln is encountered.
1.63 schwarze 423: */
1.1 kristaps 424:
1.83 schwarze 425: i = 0;
1.118 schwarze 426: while (i < 4 && strchr(" \t\\", buf[offs]) == NULL)
1.83 schwarze 427: mac[i++] = buf[offs++];
428:
429: mac[i] = '\0';
430:
1.104 schwarze 431: tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : MDOC_MAX;
1.1 kristaps 432:
1.118 schwarze 433: if (tok == MDOC_MAX) {
1.112 schwarze 434: mandoc_msg(MANDOCERR_MACRO, mdoc->parse,
435: ln, sv, buf + sv - 1);
1.1 kristaps 436: return(1);
437: }
438:
1.118 schwarze 439: /* Skip a leading escape sequence or tab. */
1.63 schwarze 440:
1.118 schwarze 441: switch (buf[offs]) {
442: case '\\':
443: cp = buf + offs + 1;
444: mandoc_escape(&cp, NULL, NULL);
445: offs = cp - buf;
446: break;
447: case '\t':
1.83 schwarze 448: offs++;
1.118 schwarze 449: break;
450: default:
451: break;
452: }
1.63 schwarze 453:
454: /* Jump to the next non-whitespace word. */
1.1 kristaps 455:
1.83 schwarze 456: while (buf[offs] && ' ' == buf[offs])
457: offs++;
1.34 schwarze 458:
1.103 schwarze 459: /*
1.46 schwarze 460: * Trailing whitespace. Note that tabs are allowed to be passed
461: * into the parser as "text", so we only warn about spaces here.
462: */
1.34 schwarze 463:
1.83 schwarze 464: if ('\0' == buf[offs] && ' ' == buf[offs - 1])
1.108 schwarze 465: mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse,
466: ln, offs - 1, NULL);
1.1 kristaps 467:
1.56 schwarze 468: /*
469: * If an initial macro or a list invocation, divert directly
470: * into macro processing.
471: */
472:
1.121 schwarze 473: if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) {
474: mdoc_macro(mdoc, tok, ln, sv, &offs, buf);
475: return(1);
476: }
1.56 schwarze 477:
1.93 schwarze 478: n = mdoc->last;
479: assert(mdoc->last);
1.56 schwarze 480:
481: /*
482: * If the first macro of a `Bl -column', open an `It' block
483: * context around the parsed macro.
484: */
485:
1.128 schwarze 486: if (n->tok == MDOC_Bl && n->type == ROFFT_BODY &&
1.127 schwarze 487: n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) {
1.93 schwarze 488: mdoc->flags |= MDOC_FREECOL;
1.121 schwarze 489: mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf);
490: return(1);
1.56 schwarze 491: }
492:
493: /*
494: * If we're following a block-level `It' within a `Bl -column'
495: * context (perhaps opened in the above block or in ptext()),
496: * then open an `It' block context around the parsed macro.
1.24 schwarze 497: */
1.56 schwarze 498:
1.128 schwarze 499: if (n->tok == MDOC_It && n->type == ROFFT_BLOCK &&
1.103 schwarze 500: NULL != n->parent &&
501: MDOC_Bl == n->parent->tok &&
502: LIST_column == n->parent->norm->Bl.type) {
1.93 schwarze 503: mdoc->flags |= MDOC_FREECOL;
1.121 schwarze 504: mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf);
505: return(1);
1.56 schwarze 506: }
507:
508: /* Normal processing of a macro. */
509:
1.121 schwarze 510: mdoc_macro(mdoc, tok, ln, sv, &offs, buf);
1.98 schwarze 511:
512: /* In quick mode (for mandocdb), abort after the NAME section. */
513:
514: if (mdoc->quick && MDOC_Sh == tok &&
515: SEC_NAME != mdoc->last->sec)
516: return(2);
1.1 kristaps 517:
518: return(1);
519: }
1.24 schwarze 520:
1.83 schwarze 521: enum mdelim
522: mdoc_isdelim(const char *p)
523: {
524:
525: if ('\0' == p[0])
526: return(DELIM_NONE);
527:
528: if ('\0' == p[1])
529: switch (p[0]) {
1.103 schwarze 530: case '(':
1.83 schwarze 531: /* FALLTHROUGH */
1.103 schwarze 532: case '[':
1.83 schwarze 533: return(DELIM_OPEN);
1.103 schwarze 534: case '|':
1.83 schwarze 535: return(DELIM_MIDDLE);
1.103 schwarze 536: case '.':
1.83 schwarze 537: /* FALLTHROUGH */
1.103 schwarze 538: case ',':
1.83 schwarze 539: /* FALLTHROUGH */
1.103 schwarze 540: case ';':
1.83 schwarze 541: /* FALLTHROUGH */
1.103 schwarze 542: case ':':
1.83 schwarze 543: /* FALLTHROUGH */
1.103 schwarze 544: case '?':
1.83 schwarze 545: /* FALLTHROUGH */
1.103 schwarze 546: case '!':
1.83 schwarze 547: /* FALLTHROUGH */
1.103 schwarze 548: case ')':
1.83 schwarze 549: /* FALLTHROUGH */
1.103 schwarze 550: case ']':
1.83 schwarze 551: return(DELIM_CLOSE);
552: default:
553: return(DELIM_NONE);
554: }
555:
556: if ('\\' != p[0])
557: return(DELIM_NONE);
1.24 schwarze 558:
1.83 schwarze 559: if (0 == strcmp(p + 1, "."))
560: return(DELIM_CLOSE);
1.90 schwarze 561: if (0 == strcmp(p + 1, "fR|\\fP"))
1.83 schwarze 562: return(DELIM_MIDDLE);
563:
564: return(DELIM_NONE);
1.101 schwarze 565: }
566:
567: void
1.129 schwarze 568: mdoc_deroff(char **dest, const struct roff_node *n)
1.101 schwarze 569: {
570: char *cp;
571: size_t sz;
572:
1.128 schwarze 573: if (n->type != ROFFT_TEXT) {
1.101 schwarze 574: for (n = n->child; n; n = n->next)
575: mdoc_deroff(dest, n);
576: return;
577: }
578:
579: /* Skip leading whitespace. */
580:
581: for (cp = n->string; '\0' != *cp; cp++)
582: if (0 == isspace((unsigned char)*cp))
583: break;
584:
585: /* Skip trailing whitespace. */
586:
587: for (sz = strlen(cp); sz; sz--)
588: if (0 == isspace((unsigned char)cp[sz-1]))
589: break;
590:
591: /* Skip empty strings. */
592:
593: if (0 == sz)
594: return;
595:
596: if (NULL == *dest) {
597: *dest = mandoc_strndup(cp, sz);
598: return;
599: }
600:
601: mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
602: free(*dest);
603: *dest = cp;
1.83 schwarze 604: }
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