Annotation of mandoc/mdoc.c, Revision 1.248
1.248 ! schwarze 1: /* $Id: mdoc.c,v 1.247 2015/04/19 13:50:26 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] = {
1.248 ! schwarze 39: "text",
1.82 kristaps 40: "Ap", "Dd", "Dt", "Os",
1.1 kristaps 41: "Sh", "Ss", "Pp", "D1",
42: "Dl", "Bd", "Ed", "Bl",
43: "El", "It", "Ad", "An",
44: "Ar", "Cd", "Cm", "Dv",
45: "Er", "Ev", "Ex", "Fa",
46: "Fd", "Fl", "Fn", "Ft",
47: "Ic", "In", "Li", "Nd",
48: "Nm", "Op", "Ot", "Pa",
49: "Rv", "St", "Va", "Vt",
1.114 kristaps 50: "Xr", "%A", "%B", "%D",
51: "%I", "%J", "%N", "%O",
52: "%P", "%R", "%T", "%V",
1.1 kristaps 53: "Ac", "Ao", "Aq", "At",
54: "Bc", "Bf", "Bo", "Bq",
55: "Bsx", "Bx", "Db", "Dc",
56: "Do", "Dq", "Ec", "Ef",
57: "Em", "Eo", "Fx", "Ms",
58: "No", "Ns", "Nx", "Ox",
59: "Pc", "Pf", "Po", "Pq",
60: "Qc", "Ql", "Qo", "Qq",
61: "Re", "Rs", "Sc", "So",
62: "Sq", "Sm", "Sx", "Sy",
63: "Tn", "Ux", "Xc", "Xo",
64: "Fo", "Fc", "Oo", "Oc",
65: "Bk", "Ek", "Bt", "Hf",
1.82 kristaps 66: "Fr", "Ud", "Lb", "Lp",
67: "Lk", "Mt", "Brq", "Bro",
1.114 kristaps 68: "Brc", "%C", "Es", "En",
69: "Dx", "%Q", "br", "sp",
1.248 ! schwarze 70: "%U", "Ta", "ll",
! 71: };
1.1 kristaps 72:
1.213 schwarze 73: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
1.1 kristaps 74: "split", "nosplit", "ragged",
1.213 schwarze 75: "unfilled", "literal", "file",
76: "offset", "bullet", "dash",
77: "hyphen", "item", "enum",
78: "tag", "diag", "hang",
79: "ohang", "inset", "column",
80: "width", "compact", "std",
1.52 kristaps 81: "filled", "words", "emphasis",
1.108 kristaps 82: "symbolic", "nested", "centered"
1.1 kristaps 83: };
84:
1.248 ! schwarze 85: const char * const *mdoc_macronames = __mdoc_macronames + 1;
1.1 kristaps 86: const char * const *mdoc_argnames = __mdoc_argnames;
87:
1.242 schwarze 88: static int mdoc_ptext(struct roff_man *, int, char *, int);
89: static int mdoc_pmacro(struct roff_man *, int, char *, int);
1.88 kristaps 90:
1.1 kristaps 91:
1.234 schwarze 92: void
1.242 schwarze 93: mdoc_endparse(struct roff_man *mdoc)
1.20 kristaps 94: {
95:
1.232 schwarze 96: mdoc_macroend(mdoc);
1.181 kristaps 97: }
98:
1.233 schwarze 99: void
1.242 schwarze 100: mdoc_addeqn(struct roff_man *mdoc, const struct eqn *ep)
1.181 kristaps 101: {
1.240 schwarze 102: struct roff_node *n;
1.181 kristaps 103:
1.248 ! schwarze 104: n = roff_node_alloc(mdoc, ep->ln, ep->pos, ROFFT_EQN, TOKEN_NONE);
1.181 kristaps 105: n->eqn = ep;
1.227 schwarze 106: if (ep->ln > mdoc->last->line)
107: n->flags |= MDOC_LINE;
1.247 schwarze 108: roff_node_append(mdoc, n);
1.242 schwarze 109: mdoc->next = ROFF_NEXT_SIBLING;
1.20 kristaps 110: }
111:
1.233 schwarze 112: void
1.242 schwarze 113: mdoc_addspan(struct roff_man *mdoc, const struct tbl_span *sp)
1.175 kristaps 114: {
1.240 schwarze 115: struct roff_node *n;
1.175 kristaps 116:
1.248 ! schwarze 117: n = roff_node_alloc(mdoc, sp->line, 0, ROFFT_TBL, TOKEN_NONE);
1.180 kristaps 118: n->span = sp;
1.247 schwarze 119: roff_node_append(mdoc, n);
120: mdoc_valid_post(mdoc);
1.242 schwarze 121: mdoc->next = ROFF_NEXT_SIBLING;
1.175 kristaps 122: }
123:
1.50 kristaps 124: /*
1.53 kristaps 125: * Main parse routine. Parses a single line -- really just hands off to
1.123 kristaps 126: * the macro (mdoc_pmacro()) or text parser (mdoc_ptext()).
1.50 kristaps 127: */
1.20 kristaps 128: int
1.242 schwarze 129: mdoc_parseln(struct roff_man *mdoc, int ln, char *buf, int offs)
1.1 kristaps 130: {
131:
1.239 schwarze 132: if (mdoc->last->type != ROFFT_EQN || ln > mdoc->last->line)
1.228 schwarze 133: mdoc->flags |= MDOC_NEWLINE;
1.153 schwarze 134:
135: /*
136: * Let the roff nS register switch SYNOPSIS mode early,
137: * such that the parser knows at all times
138: * whether this mode is on or off.
139: * Note that this mode is also switched by the Sh macro.
140: */
1.204 schwarze 141: if (roff_getreg(mdoc->roff, "nS"))
142: mdoc->flags |= MDOC_SYNOPSIS;
143: else
144: mdoc->flags &= ~MDOC_SYNOPSIS;
1.153 schwarze 145:
1.203 schwarze 146: return(roff_getcontrol(mdoc->roff, buf, &offs) ?
1.213 schwarze 147: mdoc_pmacro(mdoc, ln, buf, offs) :
148: mdoc_ptext(mdoc, ln, buf, offs));
1.1 kristaps 149: }
150:
1.232 schwarze 151: void
1.148 kristaps 152: mdoc_macro(MACRO_PROT_ARGS)
1.88 kristaps 153: {
1.248 ! schwarze 154: assert(tok > TOKEN_NONE && tok < MDOC_MAX);
1.122 kristaps 155:
1.223 schwarze 156: if (mdoc->flags & MDOC_PBODY) {
157: if (tok == MDOC_Dt) {
158: mandoc_vmsg(MANDOCERR_DT_LATE,
159: mdoc->parse, line, ppos,
160: "Dt %s", buf + *pos);
1.232 schwarze 161: return;
1.223 schwarze 162: }
163: } else if ( ! (mdoc_macros[tok].flags & MDOC_PROLOGUE)) {
164: if (mdoc->meta.title == NULL) {
165: mandoc_vmsg(MANDOCERR_DT_NOTITLE,
166: mdoc->parse, line, ppos, "%s %s",
167: mdoc_macronames[tok], buf + *pos);
168: mdoc->meta.title = mandoc_strdup("UNTITLED");
169: }
1.203 schwarze 170: if (NULL == mdoc->meta.vol)
171: mdoc->meta.vol = mandoc_strdup("LOCAL");
172: mdoc->flags |= MDOC_PBODY;
1.120 kristaps 173: }
1.232 schwarze 174: (*mdoc_macros[tok].fp)(mdoc, tok, line, ppos, pos, buf);
1.73 kristaps 175: }
176:
1.231 schwarze 177: void
1.242 schwarze 178: mdoc_tail_alloc(struct roff_man *mdoc, int line, int pos, int tok)
1.17 kristaps 179: {
1.240 schwarze 180: struct roff_node *p;
1.17 kristaps 181:
1.247 schwarze 182: p = roff_node_alloc(mdoc, line, pos, ROFFT_TAIL, tok);
183: roff_node_append(mdoc, p);
1.242 schwarze 184: mdoc->next = ROFF_NEXT_CHILD;
1.152 schwarze 185: }
186:
1.240 schwarze 187: struct roff_node *
1.242 schwarze 188: mdoc_endbody_alloc(struct roff_man *mdoc, int line, int pos, int tok,
1.240 schwarze 189: struct roff_node *body, enum mdoc_endbody end)
1.152 schwarze 190: {
1.240 schwarze 191: struct roff_node *p;
1.152 schwarze 192:
1.237 schwarze 193: body->flags |= MDOC_ENDED;
194: body->parent->flags |= MDOC_ENDED;
1.247 schwarze 195: p = roff_node_alloc(mdoc, line, pos, ROFFT_BODY, tok);
1.237 schwarze 196: p->body = body;
1.202 schwarze 197: p->norm = body->norm;
1.152 schwarze 198: p->end = end;
1.247 schwarze 199: roff_node_append(mdoc, p);
1.242 schwarze 200: mdoc->next = ROFF_NEXT_SIBLING;
1.235 schwarze 201: return(p);
1.1 kristaps 202: }
203:
1.240 schwarze 204: struct roff_node *
1.242 schwarze 205: mdoc_block_alloc(struct roff_man *mdoc, int line, int pos,
1.240 schwarze 206: int tok, struct mdoc_arg *args)
1.1 kristaps 207: {
1.240 schwarze 208: struct roff_node *p;
1.1 kristaps 209:
1.247 schwarze 210: p = roff_node_alloc(mdoc, line, pos, ROFFT_BLOCK, tok);
1.77 kristaps 211: p->args = args;
212: if (p->args)
1.53 kristaps 213: (args->refcnt)++;
1.172 kristaps 214:
215: switch (tok) {
1.213 schwarze 216: case MDOC_Bd:
1.172 kristaps 217: /* FALLTHROUGH */
1.213 schwarze 218: case MDOC_Bf:
1.172 kristaps 219: /* FALLTHROUGH */
1.213 schwarze 220: case MDOC_Bl:
1.217 schwarze 221: /* FALLTHROUGH */
222: case MDOC_En:
1.173 kristaps 223: /* FALLTHROUGH */
1.213 schwarze 224: case MDOC_Rs:
1.172 kristaps 225: p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
226: break;
227: default:
228: break;
229: }
1.247 schwarze 230: roff_node_append(mdoc, p);
1.242 schwarze 231: mdoc->next = ROFF_NEXT_CHILD;
1.231 schwarze 232: return(p);
1.1 kristaps 233: }
234:
1.231 schwarze 235: void
1.242 schwarze 236: mdoc_elem_alloc(struct roff_man *mdoc, int line, int pos,
1.240 schwarze 237: int tok, struct mdoc_arg *args)
1.1 kristaps 238: {
1.240 schwarze 239: struct roff_node *p;
1.1 kristaps 240:
1.247 schwarze 241: p = roff_node_alloc(mdoc, line, pos, ROFFT_ELEM, tok);
1.77 kristaps 242: p->args = args;
243: if (p->args)
1.53 kristaps 244: (args->refcnt)++;
1.172 kristaps 245:
246: switch (tok) {
1.213 schwarze 247: case MDOC_An:
1.172 kristaps 248: p->norm = mandoc_calloc(1, sizeof(union mdoc_data));
249: break;
250: default:
251: break;
252: }
1.247 schwarze 253: roff_node_append(mdoc, p);
1.242 schwarze 254: mdoc->next = ROFF_NEXT_CHILD;
1.175 kristaps 255: }
1.1 kristaps 256:
1.231 schwarze 257: void
1.242 schwarze 258: mdoc_word_alloc(struct roff_man *mdoc, int line, int pos, const char *p)
1.1 kristaps 259: {
1.240 schwarze 260: struct roff_node *n;
1.1 kristaps 261:
1.248 ! schwarze 262: n = roff_node_alloc(mdoc, line, pos, ROFFT_TEXT, TOKEN_NONE);
1.203 schwarze 263: n->string = roff_strdup(mdoc->roff, p);
1.247 schwarze 264: roff_node_append(mdoc, n);
265: mdoc_valid_post(mdoc);
1.242 schwarze 266: mdoc->next = ROFF_NEXT_SIBLING;
1.91 kristaps 267: }
268:
1.205 schwarze 269: void
1.242 schwarze 270: mdoc_word_append(struct roff_man *mdoc, const char *p)
1.205 schwarze 271: {
1.240 schwarze 272: struct roff_node *n;
1.205 schwarze 273: char *addstr, *newstr;
274:
275: n = mdoc->last;
276: addstr = roff_strdup(mdoc->roff, p);
1.210 schwarze 277: mandoc_asprintf(&newstr, "%s %s", n->string, addstr);
1.205 schwarze 278: free(addstr);
279: free(n->string);
280: n->string = newstr;
1.242 schwarze 281: mdoc->next = ROFF_NEXT_SIBLING;
1.205 schwarze 282: }
1.91 kristaps 283:
1.231 schwarze 284: void
1.242 schwarze 285: mdoc_node_relink(struct roff_man *mdoc, struct roff_node *p)
1.201 schwarze 286: {
287:
1.247 schwarze 288: roff_node_unlink(mdoc, p);
289: roff_node_append(mdoc, p);
1.1 kristaps 290: }
291:
1.53 kristaps 292: /*
293: * Parse free-form text, that is, a line that does not begin with the
294: * control character.
295: */
296: static int
1.242 schwarze 297: mdoc_ptext(struct roff_man *mdoc, int line, char *buf, int offs)
1.1 kristaps 298: {
1.240 schwarze 299: struct roff_node *n;
1.142 kristaps 300: char *c, *ws, *end;
301:
1.203 schwarze 302: assert(mdoc->last);
303: n = mdoc->last;
1.142 kristaps 304:
305: /*
1.144 kristaps 306: * Divert directly to list processing if we're encountering a
1.239 schwarze 307: * columnar ROFFT_BLOCK with or without a prior ROFFT_BLOCK entry
308: * (a ROFFT_BODY means it's already open, in which case we should
1.144 kristaps 309: * process within its context in the normal way).
1.142 kristaps 310: */
311:
1.239 schwarze 312: if (n->tok == MDOC_Bl && n->type == ROFFT_BODY &&
1.238 schwarze 313: n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) {
1.144 kristaps 314: /* `Bl' is open without any children. */
1.203 schwarze 315: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 316: mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf);
317: return(1);
1.142 kristaps 318: }
319:
1.239 schwarze 320: if (n->tok == MDOC_It && n->type == ROFFT_BLOCK &&
1.213 schwarze 321: NULL != n->parent &&
322: MDOC_Bl == n->parent->tok &&
323: LIST_column == n->parent->norm->Bl.type) {
1.144 kristaps 324: /* `Bl' has block-level `It' children. */
1.203 schwarze 325: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 326: mdoc_macro(mdoc, MDOC_It, line, offs, &offs, buf);
327: return(1);
1.142 kristaps 328: }
1.124 kristaps 329:
1.137 schwarze 330: /*
331: * Search for the beginning of unescaped trailing whitespace (ws)
332: * and for the first character not to be output (end).
333: */
1.139 kristaps 334:
335: /* FIXME: replace with strcspn(). */
1.137 schwarze 336: ws = NULL;
337: for (c = end = buf + offs; *c; c++) {
338: switch (*c) {
339: case ' ':
340: if (NULL == ws)
341: ws = c;
342: continue;
343: case '\t':
344: /*
345: * Always warn about trailing tabs,
346: * even outside literal context,
347: * where they should be put on the next line.
348: */
349: if (NULL == ws)
350: ws = c;
351: /*
352: * Strip trailing tabs in literal context only;
353: * outside, they affect the next line.
354: */
1.203 schwarze 355: if (MDOC_LITERAL & mdoc->flags)
1.137 schwarze 356: continue;
357: break;
358: case '\\':
359: /* Skip the escaped character, too, if any. */
360: if (c[1])
361: c++;
362: /* FALLTHROUGH */
363: default:
364: ws = NULL;
365: break;
366: }
367: end = c + 1;
368: }
369: *end = '\0';
1.91 kristaps 370:
1.137 schwarze 371: if (ws)
1.218 schwarze 372: mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse,
373: line, (int)(ws-buf), NULL);
1.115 kristaps 374:
1.231 schwarze 375: if (buf[offs] == '\0' && ! (mdoc->flags & MDOC_LITERAL)) {
1.218 schwarze 376: mandoc_msg(MANDOCERR_FI_BLANK, mdoc->parse,
377: line, (int)(c - buf), NULL);
1.124 kristaps 378:
1.119 kristaps 379: /*
1.165 schwarze 380: * Insert a `sp' in the case of a blank line. Technically,
1.124 kristaps 381: * blank lines aren't allowed, but enough manuals assume this
382: * behaviour that we want to work around it.
1.119 kristaps 383: */
1.231 schwarze 384: mdoc_elem_alloc(mdoc, line, offs, MDOC_sp, NULL);
1.242 schwarze 385: mdoc->next = ROFF_NEXT_SIBLING;
1.230 schwarze 386: mdoc_valid_post(mdoc);
387: return(1);
1.119 kristaps 388: }
1.68 kristaps 389:
1.231 schwarze 390: mdoc_word_alloc(mdoc, line, offs, buf+offs);
1.91 kristaps 391:
1.231 schwarze 392: if (mdoc->flags & MDOC_LITERAL)
1.137 schwarze 393: return(1);
1.128 kristaps 394:
395: /*
396: * End-of-sentence check. If the last character is an unescaped
397: * EOS character, then flag the node as being the end of a
398: * sentence. The front-end will know how to interpret this.
399: */
1.132 kristaps 400:
1.137 schwarze 401: assert(buf < end);
402:
1.207 schwarze 403: if (mandoc_eos(buf+offs, (size_t)(end-buf-offs)))
1.203 schwarze 404: mdoc->last->flags |= MDOC_EOS;
1.128 kristaps 405: return(1);
1.1 kristaps 406: }
407:
1.53 kristaps 408: /*
409: * Parse a macro line, that is, a line beginning with the control
410: * character.
411: */
1.155 kristaps 412: static int
1.242 schwarze 413: mdoc_pmacro(struct roff_man *mdoc, int ln, char *buf, int offs)
1.1 kristaps 414: {
1.240 schwarze 415: struct roff_node *n;
1.229 schwarze 416: const char *cp;
1.240 schwarze 417: int tok;
1.188 kristaps 418: int i, sv;
1.144 kristaps 419: char mac[5];
1.63 kristaps 420:
1.188 kristaps 421: sv = offs;
1.130 kristaps 422:
1.213 schwarze 423: /*
1.162 schwarze 424: * Copy the first word into a nil-terminated buffer.
1.229 schwarze 425: * Stop when a space, tab, escape, or eoln is encountered.
1.160 kristaps 426: */
1.1 kristaps 427:
1.188 kristaps 428: i = 0;
1.229 schwarze 429: while (i < 4 && strchr(" \t\\", buf[offs]) == NULL)
1.188 kristaps 430: mac[i++] = buf[offs++];
431:
432: mac[i] = '\0';
433:
1.248 ! schwarze 434: tok = (i > 1 && i < 4) ? mdoc_hash_find(mac) : TOKEN_NONE;
1.1 kristaps 435:
1.248 ! schwarze 436: if (tok == TOKEN_NONE) {
1.222 schwarze 437: mandoc_msg(MANDOCERR_MACRO, mdoc->parse,
438: ln, sv, buf + sv - 1);
1.58 kristaps 439: return(1);
1.53 kristaps 440: }
1.1 kristaps 441:
1.229 schwarze 442: /* Skip a leading escape sequence or tab. */
1.160 kristaps 443:
1.229 schwarze 444: switch (buf[offs]) {
445: case '\\':
446: cp = buf + offs + 1;
447: mandoc_escape(&cp, NULL, NULL);
448: offs = cp - buf;
449: break;
450: case '\t':
1.188 kristaps 451: offs++;
1.229 schwarze 452: break;
453: default:
454: break;
455: }
1.160 kristaps 456:
457: /* Jump to the next non-whitespace word. */
1.1 kristaps 458:
1.188 kristaps 459: while (buf[offs] && ' ' == buf[offs])
460: offs++;
1.1 kristaps 461:
1.213 schwarze 462: /*
1.125 kristaps 463: * Trailing whitespace. Note that tabs are allowed to be passed
464: * into the parser as "text", so we only warn about spaces here.
465: */
1.115 kristaps 466:
1.188 kristaps 467: if ('\0' == buf[offs] && ' ' == buf[offs - 1])
1.218 schwarze 468: mandoc_msg(MANDOCERR_SPACE_EOL, mdoc->parse,
469: ln, offs - 1, NULL);
1.115 kristaps 470:
1.144 kristaps 471: /*
472: * If an initial macro or a list invocation, divert directly
473: * into macro processing.
474: */
475:
1.232 schwarze 476: if (NULL == mdoc->last || MDOC_It == tok || MDOC_El == tok) {
477: mdoc_macro(mdoc, tok, ln, sv, &offs, buf);
478: return(1);
479: }
1.144 kristaps 480:
1.203 schwarze 481: n = mdoc->last;
482: assert(mdoc->last);
1.144 kristaps 483:
484: /*
485: * If the first macro of a `Bl -column', open an `It' block
486: * context around the parsed macro.
487: */
488:
1.239 schwarze 489: if (n->tok == MDOC_Bl && n->type == ROFFT_BODY &&
1.238 schwarze 490: n->end == ENDBODY_NOT && n->norm->Bl.type == LIST_column) {
1.203 schwarze 491: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 492: mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf);
493: return(1);
1.144 kristaps 494: }
495:
496: /*
497: * If we're following a block-level `It' within a `Bl -column'
498: * context (perhaps opened in the above block or in ptext()),
499: * then open an `It' block context around the parsed macro.
1.98 kristaps 500: */
1.144 kristaps 501:
1.239 schwarze 502: if (n->tok == MDOC_It && n->type == ROFFT_BLOCK &&
1.213 schwarze 503: NULL != n->parent &&
504: MDOC_Bl == n->parent->tok &&
505: LIST_column == n->parent->norm->Bl.type) {
1.203 schwarze 506: mdoc->flags |= MDOC_FREECOL;
1.232 schwarze 507: mdoc_macro(mdoc, MDOC_It, ln, sv, &sv, buf);
508: return(1);
1.144 kristaps 509: }
510:
511: /* Normal processing of a macro. */
512:
1.232 schwarze 513: mdoc_macro(mdoc, tok, ln, sv, &offs, buf);
1.208 schwarze 514:
515: /* In quick mode (for mandocdb), abort after the NAME section. */
516:
517: if (mdoc->quick && MDOC_Sh == tok &&
518: SEC_NAME != mdoc->last->sec)
519: return(2);
1.1 kristaps 520:
1.53 kristaps 521: return(1);
1.1 kristaps 522: }
1.100 kristaps 523:
1.186 kristaps 524: enum mdelim
525: mdoc_isdelim(const char *p)
526: {
527:
528: if ('\0' == p[0])
529: return(DELIM_NONE);
530:
531: if ('\0' == p[1])
532: switch (p[0]) {
1.213 schwarze 533: case '(':
1.186 kristaps 534: /* FALLTHROUGH */
1.213 schwarze 535: case '[':
1.186 kristaps 536: return(DELIM_OPEN);
1.213 schwarze 537: case '|':
1.186 kristaps 538: return(DELIM_MIDDLE);
1.213 schwarze 539: case '.':
1.186 kristaps 540: /* FALLTHROUGH */
1.213 schwarze 541: case ',':
1.186 kristaps 542: /* FALLTHROUGH */
1.213 schwarze 543: case ';':
1.186 kristaps 544: /* FALLTHROUGH */
1.213 schwarze 545: case ':':
1.186 kristaps 546: /* FALLTHROUGH */
1.213 schwarze 547: case '?':
1.186 kristaps 548: /* FALLTHROUGH */
1.213 schwarze 549: case '!':
1.186 kristaps 550: /* FALLTHROUGH */
1.213 schwarze 551: case ')':
1.186 kristaps 552: /* FALLTHROUGH */
1.213 schwarze 553: case ']':
1.186 kristaps 554: return(DELIM_CLOSE);
555: default:
556: return(DELIM_NONE);
557: }
558:
559: if ('\\' != p[0])
560: return(DELIM_NONE);
1.100 kristaps 561:
1.186 kristaps 562: if (0 == strcmp(p + 1, "."))
563: return(DELIM_CLOSE);
1.200 schwarze 564: if (0 == strcmp(p + 1, "fR|\\fP"))
1.186 kristaps 565: return(DELIM_MIDDLE);
566:
567: return(DELIM_NONE);
1.211 schwarze 568: }
569:
570: void
1.240 schwarze 571: mdoc_deroff(char **dest, const struct roff_node *n)
1.211 schwarze 572: {
573: char *cp;
574: size_t sz;
575:
1.239 schwarze 576: if (n->type != ROFFT_TEXT) {
1.211 schwarze 577: for (n = n->child; n; n = n->next)
578: mdoc_deroff(dest, n);
579: return;
580: }
581:
582: /* Skip leading whitespace. */
583:
584: for (cp = n->string; '\0' != *cp; cp++)
585: if (0 == isspace((unsigned char)*cp))
586: break;
587:
588: /* Skip trailing whitespace. */
589:
590: for (sz = strlen(cp); sz; sz--)
591: if (0 == isspace((unsigned char)cp[sz-1]))
592: break;
593:
594: /* Skip empty strings. */
595:
596: if (0 == sz)
597: return;
598:
599: if (NULL == *dest) {
600: *dest = mandoc_strndup(cp, sz);
601: return;
602: }
603:
604: mandoc_asprintf(&cp, "%s %*s", *dest, (int)sz, cp);
605: free(*dest);
606: *dest = cp;
1.186 kristaps 607: }
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