Annotation of mandoc/mdoc.c, Revision 1.247
1.247 ! schwarze 1: /* $Id: mdoc.c,v 1.246 2015/04/18 17:53:21 schwarze Exp $ */
1.1 kristaps 2: /*
1.182 schwarze 3: * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
1.237 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
1.75 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: *
1.241 schwarze 10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
1.75 kristaps 11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
1.241 schwarze 12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
1.75 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: */
1.114 kristaps 18: #include "config.h"
19:
1.106 kristaps 20: #include <sys/types.h>
21:
1.1 kristaps 22: #include <assert.h>
1.211 schwarze 23: #include <ctype.h>
1.1 kristaps 24: #include <stdarg.h>
1.73 kristaps 25: #include <stdio.h>
1.1 kristaps 26: #include <stdlib.h>
27: #include <string.h>
1.120 kristaps 28: #include <time.h>
1.1 kristaps 29:
1.239 schwarze 30: #include "mandoc_aux.h"
31: #include "mandoc.h"
32: #include "roff.h"
1.187 kristaps 33: #include "mdoc.h"
1.239 schwarze 34: #include "libmandoc.h"
1.247 ! schwarze 35: #include "roff_int.h"
1.70 kristaps 36: #include "libmdoc.h"
1.1 kristaps 37:
1.216 schwarze 38: const char *const __mdoc_macronames[MDOC_MAX + 1] = {
1.82 kristaps 39: "Ap", "Dd", "Dt", "Os",
1.1 kristaps 40: "Sh", "Ss", "Pp", "D1",
41: "Dl", "Bd", "Ed", "Bl",
42: "El", "It", "Ad", "An",
43: "Ar", "Cd", "Cm", "Dv",
44: "Er", "Ev", "Ex", "Fa",
45: "Fd", "Fl", "Fn", "Ft",
46: "Ic", "In", "Li", "Nd",
47: "Nm", "Op", "Ot", "Pa",
48: "Rv", "St", "Va", "Vt",
1.114 kristaps 49: "Xr", "%A", "%B", "%D",
50: "%I", "%J", "%N", "%O",
51: "%P", "%R", "%T", "%V",
1.1 kristaps 52: "Ac", "Ao", "Aq", "At",
53: "Bc", "Bf", "Bo", "Bq",
54: "Bsx", "Bx", "Db", "Dc",
55: "Do", "Dq", "Ec", "Ef",
56: "Em", "Eo", "Fx", "Ms",
57: "No", "Ns", "Nx", "Ox",
58: "Pc", "Pf", "Po", "Pq",
59: "Qc", "Ql", "Qo", "Qq",
60: "Re", "Rs", "Sc", "So",
61: "Sq", "Sm", "Sx", "Sy",
62: "Tn", "Ux", "Xc", "Xo",
63: "Fo", "Fc", "Oo", "Oc",
64: "Bk", "Ek", "Bt", "Hf",
1.82 kristaps 65: "Fr", "Ud", "Lb", "Lp",
66: "Lk", "Mt", "Brq", "Bro",
1.114 kristaps 67: "Brc", "%C", "Es", "En",
68: "Dx", "%Q", "br", "sp",
1.216 schwarze 69: "%U", "Ta", "ll", "text",
1.1 kristaps 70: };
71:
1.213 schwarze 72: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
1.1 kristaps 73: "split", "nosplit", "ragged",
1.213 schwarze 74: "unfilled", "literal", "file",
75: "offset", "bullet", "dash",
76: "hyphen", "item", "enum",
77: "tag", "diag", "hang",
78: "ohang", "inset", "column",
79: "width", "compact", "std",
1.52 kristaps 80: "filled", "words", "emphasis",
1.108 kristaps 81: "symbolic", "nested", "centered"
1.1 kristaps 82: };
83:
84: const char * const *mdoc_macronames = __mdoc_macronames;
85: const char * const *mdoc_argnames = __mdoc_argnames;
86:
1.242 schwarze 87: static int mdoc_ptext(struct roff_man *, int, char *, int);
88: static int mdoc_pmacro(struct roff_man *, int, char *, int);
1.88 kristaps 89:
1.1 kristaps 90:
1.234 schwarze 91: void
1.242 schwarze 92: mdoc_endparse(struct roff_man *mdoc)
1.20 kristaps 93: {
94:
1.232 schwarze 95: mdoc_macroend(mdoc);
1.181 kristaps 96: }
97:
1.233 schwarze 98: void
1.242 schwarze 99: mdoc_addeqn(struct roff_man *mdoc, const struct eqn *ep)
1.181 kristaps 100: {
1.240 schwarze 101: struct roff_node *n;
1.181 kristaps 102:
1.247 ! schwarze 103: n = roff_node_alloc(mdoc, ep->ln, ep->pos, ROFFT_EQN, MDOC_MAX);
1.181 kristaps 104: n->eqn = ep;
1.227 schwarze 105: if (ep->ln > mdoc->last->line)
106: n->flags |= MDOC_LINE;
1.247 ! schwarze 107: roff_node_append(mdoc, n);
1.242 schwarze 108: mdoc->next = ROFF_NEXT_SIBLING;
1.20 kristaps 109: }
110:
1.233 schwarze 111: void
1.242 schwarze 112: mdoc_addspan(struct roff_man *mdoc, const struct tbl_span *sp)
1.175 kristaps 113: {
1.240 schwarze 114: struct roff_node *n;
1.175 kristaps 115:
1.247 ! schwarze 116: n = roff_node_alloc(mdoc, sp->line, 0, ROFFT_TBL, MDOC_MAX);
1.180 kristaps 117: n->span = sp;
1.247 ! schwarze 118: roff_node_append(mdoc, n);
! 119: mdoc_valid_post(mdoc);
1.242 schwarze 120: mdoc->next = ROFF_NEXT_SIBLING;
1.175 kristaps 121: }
122:
1.50 kristaps 123: /*
1.53 kristaps 124: * Main parse routine. Parses a single line -- really just hands off to
1.123 kristaps 125: * the macro (mdoc_pmacro()) or text parser (mdoc_ptext()).
1.50 kristaps 126: */
1.20 kristaps 127: int
1.242 schwarze 128: mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, int offs)
1.1 kristaps 129: {
130:
1.239 schwarze 131: if (mdoc->last->type != ROFFT_EQN || ln > mdoc->last->line)
1.228 schwarze 132: mdoc->flags |= MDOC_NEWLINE;
1.153 schwarze 133:
134: /*
135: * Let the roff nS register switch SYNOPSIS mode early,
136: * such that the parser knows at all times
137: * whether this mode is on or off.
138: * Note that this mode is also switched by the Sh macro.
139: */
1.204 schwarze 140: if (roff_getreg(mdoc->roff, "nS"))
141: mdoc->flags |= MDOC_SYNOPSIS;
142: else
143: mdoc->flags &= ~MDOC_SYNOPSIS;
1.153 schwarze 144:
1.203 schwarze 145: return(roff_getcontrol(mdoc->roff, buf, &offs) ?
1.213 schwarze 146: mdoc_pmacro(mdoc, ln, buf, offs) :
147: mdoc_ptext(mdoc, ln, buf, offs));
1.1 kristaps 148: }
149:
1.232 schwarze 150: void
1.148 kristaps 151: mdoc_macro(MACRO_PROT_ARGS)
1.88 kristaps 152: {
1.122 kristaps 153: assert(tok < MDOC_MAX);
154:
1.223 schwarze 155: if (mdoc->flags & MDOC_PBODY) {
156: if (tok == MDOC_Dt) {
157: mandoc_vmsg(MANDOCERR_DT_LATE,
158: mdoc->parse, line, ppos,
159: "Dt %s", buf + *pos);
1.232 schwarze 160: return;
1.223 schwarze 161: }
162: } else if ( ! (mdoc_macros[tok].flags & MDOC_PROLOGUE)) {
163: if (mdoc->meta.title == NULL) {
164: mandoc_vmsg(MANDOCERR_DT_NOTITLE,
165: mdoc->parse, line, ppos, "%s %s",
166: mdoc_macronames[tok], buf + *pos);
167: mdoc->meta.title = mandoc_strdup("UNTITLED");
168: }
1.203 schwarze 169: if (NULL == mdoc->meta.vol)
170: mdoc->meta.vol = mandoc_strdup("LOCAL");
171: mdoc->flags |= MDOC_PBODY;
1.120 kristaps 172: }
1.232 schwarze 173: (*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf);
1.73 kristaps 174: }
175:
1.231 schwarze 176: void
1.242 schwarze 177: mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, int tok)
1.17 kristaps 178: {
1.240 schwarze 179: struct roff_node *p;
1.17 kristaps 180:
1.247 ! schwarze 181: p = roff_node_alloc(mdoc, line, pos, ROFFT_TAIL, tok);
! 182: roff_node_append(mdoc, p);
1.242 schwarze 183: mdoc->next = ROFF_NEXT_CHILD;
1.152 schwarze 184: }
185:
1.240 schwarze 186: struct roff_node *
1.242 schwarze 187: mdoc_endbody_alloc(struct roff_man *mdoc, int line, int pos, int tok,
1.240 schwarze 188: struct roff_node *body, enum mdoc_endbody end)
1.152 schwarze 189: {
1.240 schwarze 190: struct roff_node *p;
1.152 schwarze 191:
1.237 schwarze 192: body->flags |= MDOC_ENDED;
193: body->parent->flags |= MDOC_ENDED;
1.247 ! schwarze 194: p = roff_node_alloc(mdoc, line, pos, ROFFT_BODY, tok);
1.237 schwarze 195: p->body = body;
1.202 schwarze 196: p->norm = body->norm;
1.152 schwarze 197: p->end = end;
1.247 ! schwarze 198: roff_node_append(mdoc, p);
1.242 schwarze 199: mdoc->next = ROFF_NEXT_SIBLING;
1.235 schwarze 200: return(p);
1.1 kristaps 201: }
202:
1.240 schwarze 203: struct roff_node *
1.242 schwarze 204: mdoc_block_alloc(struct roff_man *mdoc, int line, int pos,
1.240 schwarze 205: int tok, struct mdoc_arg *args)
1.1 kristaps 206: {
1.240 schwarze 207: struct roff_node *p;
1.1 kristaps 208:
1.247 ! schwarze 209: p = roff_node_alloc(mdoc, line, pos, ROFFT_BLOCK, tok);
1.77 kristaps 210: p->args = args;
211: if (p->args)
1.53 kristaps 212: (args->refcnt)++;
1.172 kristaps 213:
214: switch (tok) {
1.213 schwarze 215: case MDOC_Bd:
1.172 kristaps 216: /* FALLTHROUGH */
1.213 schwarze 217: case MDOC_Bf:
1.172 kristaps 218: /* FALLTHROUGH */
1.213 schwarze 219: case MDOC_Bl:
1.217 schwarze 220: /* FALLTHROUGH */
221: case MDOC_En:
1.173 kristaps 222: /* FALLTHROUGH */
1.213 schwarze 223: case MDOC_Rs:
1.172 kristaps 224: p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
225: break;
226: default:
227: break;
228: }
1.247 ! schwarze 229: roff_node_append(mdoc, p);
1.242 schwarze 230: mdoc->next = ROFF_NEXT_CHILD;
1.231 schwarze 231: return(p);
1.1 kristaps 232: }
233:
1.231 schwarze 234: void
1.242 schwarze 235: mdoc_elem_alloc(struct roff_man *mdoc, int line, int pos,
1.240 schwarze 236: int tok, struct mdoc_arg *args)
1.1 kristaps 237: {
1.240 schwarze 238: struct roff_node *p;
1.1 kristaps 239:
1.247 ! schwarze 240: p = roff_node_alloc(mdoc, line, pos, ROFFT_ELEM, tok);
1.77 kristaps 241: p->args = args;
242: if (p->args)
1.53 kristaps 243: (args->refcnt)++;
1.172 kristaps 244:
245: switch (tok) {
1.213 schwarze 246: case MDOC_An:
1.172 kristaps 247: p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
248: break;
249: default:
250: break;
251: }
1.247 ! schwarze 252: roff_node_append(mdoc, p);
1.242 schwarze 253: mdoc->next = ROFF_NEXT_CHILD;
1.175 kristaps 254: }
1.1 kristaps 255:
1.231 schwarze 256: void
1.242 schwarze 257: mdoc_word_alloc(struct roff_man *mdoc, int line, int pos, const char *p)
1.1 kristaps 258: {
1.240 schwarze 259: struct roff_node *n;
1.1 kristaps 260:
1.247 ! schwarze 261: n = roff_node_alloc(mdoc, line, pos, ROFFT_TEXT, MDOC_MAX);
1.203 schwarze 262: n->string = roff_strdup(mdoc->roff, p);
1.247 ! schwarze 263: roff_node_append(mdoc, n);
! 264: mdoc_valid_post(mdoc);
1.242 schwarze 265: mdoc->next = ROFF_NEXT_SIBLING;
1.91 kristaps 266: }
267:
1.205 schwarze 268: void
1.242 schwarze 269: mdoc_word_append(struct roff_man *mdoc, const char *p)
1.205 schwarze 270: {
1.240 schwarze 271: struct roff_node *n;
1.205 schwarze 272: char *addstr, *newstr;
273:
274: n = mdoc->last;
275: addstr = roff_strdup(mdoc->roff, p);
1.210 schwarze 276: mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
1.205 schwarze 277: free(addstr);
278: free(n->string);
279: n->string = newstr;
1.242 schwarze 280: mdoc->next = ROFF_NEXT_SIBLING;
1.205 schwarze 281: }
1.91 kristaps 282:
1.231 schwarze 283: void
1.242 schwarze 284: mdoc_node_relink(struct roff_man *mdoc, struct roff_node *p)
1.201 schwarze 285: {
286:
1.247 ! schwarze 287: roff_node_unlink(mdoc, p);
! 288: roff_node_append(mdoc, p);
1.1 kristaps 289: }
290:
1.53 kristaps 291: /*
292: * Parse free-form text, that is, a line that does not begin with the
293: * control character.
294: */
295: static int
1.242 schwarze 296: mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs)
1.1 kristaps 297: {
1.240 schwarze 298: struct roff_node *n;
1.142 kristaps 299: char *c, *ws, *end;
300:
1.203 schwarze 301: assert(mdoc->last);
302: n = mdoc->last;
1.142 kristaps 303:
304: /*
1.144 kristaps 305: * Divert directly to list processing if we're encountering a
1.239 schwarze 306: * columnar ROFFT_BLOCK with or without a prior ROFFT_BLOCK entry
307: * (a ROFFT_BODY means it's already open, in which case we should
1.144 kristaps 308: * process within its context in the normal way).
1.142 kristaps 309: */
310:
1.239 schwarze 311: if (n->tok == MDOC_Bl && n->type == ROFFT_BODY &&
1.238 schwarze 312: n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) {
1.144 kristaps 313: /* `Bl' is open without any children. */
1.203 schwarze 314: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 315: mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf);
316: return(1);
1.142 kristaps 317: }
318:
1.239 schwarze 319: if (n->tok == MDOC_It && n->type == ROFFT_BLOCK &&
1.213 schwarze 320: NULL != n->parent &&
321: MDOC_Bl == n->parent->tok &&
322: LIST_column == n->parent->norm->Bl.type) {
1.144 kristaps 323: /* `Bl' has block-level `It' children. */
1.203 schwarze 324: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 325: mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf);
326: return(1);
1.142 kristaps 327: }
1.124 kristaps 328:
1.137 schwarze 329: /*
330: * Search for the beginning of unescaped trailing whitespace (ws)
331: * and for the first character not to be output (end).
332: */
1.139 kristaps 333:
334: /* FIXME: replace with strcspn(). */
1.137 schwarze 335: ws = NULL;
336: for (c = end = buf + offs; *c; c++) {
337: switch (*c) {
338: case ' ':
339: if (NULL == ws)
340: ws = c;
341: continue;
342: case '\t':
343: /*
344: * Always warn about trailing tabs,
345: * even outside literal context,
346: * where they should be put on the next line.
347: */
348: if (NULL == ws)
349: ws = c;
350: /*
351: * Strip trailing tabs in literal context only;
352: * outside, they affect the next line.
353: */
1.203 schwarze 354: if (MDOC_LITERAL & mdoc->flags)
1.137 schwarze 355: continue;
356: break;
357: case '\\':
358: /* Skip the escaped character, too, if any. */
359: if (c[1])
360: c++;
361: /* FALLTHROUGH */
362: default:
363: ws = NULL;
364: break;
365: }
366: end = c + 1;
367: }
368: *end = '\0';
1.91 kristaps 369:
1.137 schwarze 370: if (ws)
1.218 schwarze 371: mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse,
372: line, (int)(ws-buf), NULL);
1.115 kristaps 373:
1.231 schwarze 374: if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) {
1.218 schwarze 375: mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse,
376: line, (int)(c - buf), NULL);
1.124 kristaps 377:
1.119 kristaps 378: /*
1.165 schwarze 379: * Insert a `sp' in the case of a blank line. Technically,
1.124 kristaps 380: * blank lines aren't allowed, but enough manuals assume this
381: * behaviour that we want to work around it.
1.119 kristaps 382: */
1.231 schwarze 383: mdoc_elem_alloc(mdoc, line, offs, MDOC_sp, NULL);
1.242 schwarze 384: mdoc->next = ROFF_NEXT_SIBLING;
1.230 schwarze 385: mdoc_valid_post(mdoc);
386: return(1);
1.119 kristaps 387: }
1.68 kristaps 388:
1.231 schwarze 389: mdoc_word_alloc(mdoc, line, offs, buf+offs);
1.91 kristaps 390:
1.231 schwarze 391: if (mdoc->flags & MDOC_LITERAL)
1.137 schwarze 392: return(1);
1.128 kristaps 393:
394: /*
395: * End-of-sentence check. If the last character is an unescaped
396: * EOS character, then flag the node as being the end of a
397: * sentence. The front-end will know how to interpret this.
398: */
1.132 kristaps 399:
1.137 schwarze 400: assert(buf < end);
401:
1.207 schwarze 402: if (mandoc_eos(buf+offs, (size_t)(end-buf-offs)))
1.203 schwarze 403: mdoc->last->flags |= MDOC_EOS;
1.128 kristaps 404: return(1);
1.1 kristaps 405: }
406:
1.53 kristaps 407: /*
408: * Parse a macro line, that is, a line beginning with the control
409: * character.
410: */
1.155 kristaps 411: static int
1.242 schwarze 412: mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, int offs)
1.1 kristaps 413: {
1.240 schwarze 414: struct roff_node *n;
1.229 schwarze 415: const char *cp;
1.240 schwarze 416: int tok;
1.188 kristaps 417: int i, sv;
1.144 kristaps 418: char mac[5];
1.63 kristaps 419:
1.188 kristaps 420: sv = offs;
1.130 kristaps 421:
1.213 schwarze 422: /*
1.162 schwarze 423: * Copy the first word into a nil-terminated buffer.
1.229 schwarze 424: * Stop when a space, tab, escape, or eoln is encountered.
1.160 kristaps 425: */
1.1 kristaps 426:
1.188 kristaps 427: i = 0;
1.229 schwarze 428: while (i < 4 && strchr(" \t\\", buf[offs]) == NULL)
1.188 kristaps 429: mac[i++] = buf[offs++];
430:
431: mac[i] = '\0';
432:
1.214 schwarze 433: tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : MDOC_MAX;
1.1 kristaps 434:
1.229 schwarze 435: if (tok == MDOC_MAX) {
1.222 schwarze 436: mandoc_msg(MANDOCERR_MACRO, mdoc->parse,
437: ln, sv, buf + sv - 1);
1.58 kristaps 438: return(1);
1.53 kristaps 439: }
1.1 kristaps 440:
1.229 schwarze 441: /* Skip a leading escape sequence or tab. */
1.160 kristaps 442:
1.229 schwarze 443: switch (buf[offs]) {
444: case '\\':
445: cp = buf + offs + 1;
446: mandoc_escape(&cp, NULL, NULL);
447: offs = cp - buf;
448: break;
449: case '\t':
1.188 kristaps 450: offs++;
1.229 schwarze 451: break;
452: default:
453: break;
454: }
1.160 kristaps 455:
456: /* Jump to the next non-whitespace word. */
1.1 kristaps 457:
1.188 kristaps 458: while (buf[offs] && ' ' == buf[offs])
459: offs++;
1.1 kristaps 460:
1.213 schwarze 461: /*
1.125 kristaps 462: * Trailing whitespace. Note that tabs are allowed to be passed
463: * into the parser as "text", so we only warn about spaces here.
464: */
1.115 kristaps 465:
1.188 kristaps 466: if ('\0' == buf[offs] && ' ' == buf[offs - 1])
1.218 schwarze 467: mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse,
468: ln, offs - 1, NULL);
1.115 kristaps 469:
1.144 kristaps 470: /*
471: * If an initial macro or a list invocation, divert directly
472: * into macro processing.
473: */
474:
1.232 schwarze 475: if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) {
476: mdoc_macro(mdoc, tok, ln, sv, &offs, buf);
477: return(1);
478: }
1.144 kristaps 479:
1.203 schwarze 480: n = mdoc->last;
481: assert(mdoc->last);
1.144 kristaps 482:
483: /*
484: * If the first macro of a `Bl -column', open an `It' block
485: * context around the parsed macro.
486: */
487:
1.239 schwarze 488: if (n->tok == MDOC_Bl && n->type == ROFFT_BODY &&
1.238 schwarze 489: n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) {
1.203 schwarze 490: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 491: mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf);
492: return(1);
1.144 kristaps 493: }
494:
495: /*
496: * If we're following a block-level `It' within a `Bl -column'
497: * context (perhaps opened in the above block or in ptext()),
498: * then open an `It' block context around the parsed macro.
1.98 kristaps 499: */
1.144 kristaps 500:
1.239 schwarze 501: if (n->tok == MDOC_It && n->type == ROFFT_BLOCK &&
1.213 schwarze 502: NULL != n->parent &&
503: MDOC_Bl == n->parent->tok &&
504: LIST_column == n->parent->norm->Bl.type) {
1.203 schwarze 505: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 506: mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf);
507: return(1);
1.144 kristaps 508: }
509:
510: /* Normal processing of a macro. */
511:
1.232 schwarze 512: mdoc_macro(mdoc, tok, ln, sv, &offs, buf);
1.208 schwarze 513:
514: /* In quick mode (for mandocdb), abort after the NAME section. */
515:
516: if (mdoc->quick && MDOC_Sh == tok &&
517: SEC_NAME != mdoc->last->sec)
518: return(2);
1.1 kristaps 519:
1.53 kristaps 520: return(1);
1.1 kristaps 521: }
1.100 kristaps 522:
1.186 kristaps 523: enum mdelim
524: mdoc_isdelim(const char *p)
525: {
526:
527: if ('\0' == p[0])
528: return(DELIM_NONE);
529:
530: if ('\0' == p[1])
531: switch (p[0]) {
1.213 schwarze 532: case '(':
1.186 kristaps 533: /* FALLTHROUGH */
1.213 schwarze 534: case '[':
1.186 kristaps 535: return(DELIM_OPEN);
1.213 schwarze 536: case '|':
1.186 kristaps 537: return(DELIM_MIDDLE);
1.213 schwarze 538: case '.':
1.186 kristaps 539: /* FALLTHROUGH */
1.213 schwarze 540: case ',':
1.186 kristaps 541: /* FALLTHROUGH */
1.213 schwarze 542: case ';':
1.186 kristaps 543: /* FALLTHROUGH */
1.213 schwarze 544: case ':':
1.186 kristaps 545: /* FALLTHROUGH */
1.213 schwarze 546: case '?':
1.186 kristaps 547: /* FALLTHROUGH */
1.213 schwarze 548: case '!':
1.186 kristaps 549: /* FALLTHROUGH */
1.213 schwarze 550: case ')':
1.186 kristaps 551: /* FALLTHROUGH */
1.213 schwarze 552: case ']':
1.186 kristaps 553: return(DELIM_CLOSE);
554: default:
555: return(DELIM_NONE);
556: }
557:
558: if ('\\' != p[0])
559: return(DELIM_NONE);
1.100 kristaps 560:
1.186 kristaps 561: if (0 == strcmp(p + 1, "."))
562: return(DELIM_CLOSE);
1.200 schwarze 563: if (0 == strcmp(p + 1, "fR|\\fP"))
1.186 kristaps 564: return(DELIM_MIDDLE);
565:
566: return(DELIM_NONE);
1.211 schwarze 567: }
568:
569: void
1.240 schwarze 570: mdoc_deroff(char **dest, const struct roff_node *n)
1.211 schwarze 571: {
572: char *cp;
573: size_t sz;
574:
1.239 schwarze 575: if (n->type != ROFFT_TEXT) {
1.211 schwarze 576: for (n = n->child; n; n = n->next)
577: mdoc_deroff(dest, n);
578: return;
579: }
580:
581: /* Skip leading whitespace. */
582:
583: for (cp = n->string; '\0' != *cp; cp++)
584: if (0 == isspace((unsigned char)*cp))
585: break;
586:
587: /* Skip trailing whitespace. */
588:
589: for (sz = strlen(cp); sz; sz--)
590: if (0 == isspace((unsigned char)cp[sz-1]))
591: break;
592:
593: /* Skip empty strings. */
594:
595: if (0 == sz)
596: return;
597:
598: if (NULL == *dest) {
599: *dest = mandoc_strndup(cp, sz);
600: return;
601: }
602:
603: mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
604: free(*dest);
605: *dest = cp;
1.186 kristaps 606: }
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