Annotation of mandoc/mdoc.c, Revision 1.34
1.34 ! kristaps 1: /* $Id: mdoc.c,v 1.33 2009/01/16 15:58:50 kristaps Exp $ */
1.1 kristaps 2: /*
3: * Copyright (c) 2008 Kristaps Dzonsons <kristaps@kth.se>
4: *
5: * Permission to use, copy, modify, and distribute this software for any
6: * purpose with or without fee is hereby granted, provided that the
7: * above copyright notice and this permission notice appear in all
8: * copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11: * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12: * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13: * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16: * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17: * PERFORMANCE OF THIS SOFTWARE.
18: */
19: #include <assert.h>
20: #include <ctype.h>
21: #include <err.h>
22: #include <stdarg.h>
23: #include <stdlib.h>
24: #include <stdio.h>
25: #include <string.h>
26:
27: #include "private.h"
28:
29: const char *const __mdoc_macronames[MDOC_MAX] = {
30: "\\\"", "Dd", "Dt", "Os",
31: "Sh", "Ss", "Pp", "D1",
32: "Dl", "Bd", "Ed", "Bl",
33: "El", "It", "Ad", "An",
34: "Ar", "Cd", "Cm", "Dv",
35: "Er", "Ev", "Ex", "Fa",
36: "Fd", "Fl", "Fn", "Ft",
37: "Ic", "In", "Li", "Nd",
38: "Nm", "Op", "Ot", "Pa",
39: "Rv", "St", "Va", "Vt",
40: /* LINTED */
41: "Xr", "\%A", "\%B", "\%D",
42: /* LINTED */
43: "\%I", "\%J", "\%N", "\%O",
44: /* LINTED */
45: "\%P", "\%R", "\%T", "\%V",
46: "Ac", "Ao", "Aq", "At",
47: "Bc", "Bf", "Bo", "Bq",
48: "Bsx", "Bx", "Db", "Dc",
49: "Do", "Dq", "Ec", "Ef",
50: "Em", "Eo", "Fx", "Ms",
51: "No", "Ns", "Nx", "Ox",
52: "Pc", "Pf", "Po", "Pq",
53: "Qc", "Ql", "Qo", "Qq",
54: "Re", "Rs", "Sc", "So",
55: "Sq", "Sm", "Sx", "Sy",
56: "Tn", "Ux", "Xc", "Xo",
57: "Fo", "Fc", "Oo", "Oc",
58: "Bk", "Ek", "Bt", "Hf",
59: "Fr", "Ud",
60: };
61:
62: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
63: "split", "nosplit", "ragged",
64: "unfilled", "literal", "file",
65: "offset", "bullet", "dash",
66: "hyphen", "item", "enum",
67: "tag", "diag", "hang",
68: "ohang", "inset", "column",
69: "width", "compact", "std",
70: "p1003.1-88", "p1003.1-90", "p1003.1-96",
71: "p1003.1-2001", "p1003.1-2004", "p1003.1",
72: "p1003.1b", "p1003.1b-93", "p1003.1c-95",
73: "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
74: "p1003.2", "p1387.2", "isoC-90",
75: "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
76: "isoC-99", "ansiC", "ansiC-89",
77: "ansiC-99", "ieee754", "iso8802-3",
78: "xpg3", "xpg4", "xpg4.2",
79: "xpg4.3", "xbd5", "xcu5",
80: "xsh5", "xns5", "xns5.2d2.0",
81: "xcurses4.2", "susv2", "susv3",
82: "svid4", "filled", "words",
1.14 kristaps 83: "emphasis", "symbolic",
1.1 kristaps 84: };
85:
86: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
87: { NULL, 0 }, /* \" */
1.24 kristaps 88: { macro_constant, MDOC_PROLOGUE }, /* Dd */
89: { macro_constant, MDOC_PROLOGUE }, /* Dt */
90: { macro_constant, MDOC_PROLOGUE }, /* Os */
1.13 kristaps 91: { macro_scoped, 0 }, /* Sh */
92: { macro_scoped, 0 }, /* Ss */
1.5 kristaps 93: { macro_text, 0 }, /* Pp */
1.19 kristaps 94: { macro_scoped_line, MDOC_PARSED }, /* D1 */
95: { macro_scoped_line, MDOC_PARSED }, /* Dl */
1.13 kristaps 96: { macro_scoped, MDOC_EXPLICIT }, /* Bd */
1.29 kristaps 97: { macro_scoped_close, MDOC_EXPLICIT }, /* Ed */
1.13 kristaps 98: { macro_scoped, MDOC_EXPLICIT }, /* Bl */
1.29 kristaps 99: { macro_scoped_close, MDOC_EXPLICIT }, /* El */
100: { macro_scoped, MDOC_PARSED | MDOC_TABSEP}, /* It */
1.19 kristaps 101: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
1.32 kristaps 102: { macro_text, MDOC_PARSED }, /* An */
1.19 kristaps 103: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.12 kristaps 104: { macro_constant, MDOC_QUOTABLE }, /* Cd */
1.19 kristaps 105: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
106: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
107: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
108: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.13 kristaps 109: { macro_constant, 0 }, /* Ex */
1.19 kristaps 110: { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fa */
1.13 kristaps 111: { macro_constant, 0 }, /* Fd */
1.19 kristaps 112: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
113: { macro_text, MDOC_CALLABLE | MDOC_QUOTABLE | MDOC_PARSED }, /* Fn */
1.32 kristaps 114: { macro_text, MDOC_PARSED | MDOC_QUOTABLE }, /* Ft */
1.19 kristaps 115: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */
1.13 kristaps 116: { macro_constant, 0 }, /* In */
1.19 kristaps 117: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */
1.10 kristaps 118: { macro_constant, 0 }, /* Nd */
1.19 kristaps 119: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
120: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.13 kristaps 121: { macro_obsolete, 0 }, /* Ot */
1.19 kristaps 122: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
1.13 kristaps 123: { macro_constant, 0 }, /* Rv */
1.22 kristaps 124: /* XXX - .St supposed to be (but isn't) callable. */
1.19 kristaps 125: { macro_constant_delimited, MDOC_PARSED }, /* St */
126: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
127: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
128: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.23 kristaps 129: { macro_constant, MDOC_QUOTABLE }, /* %A */
130: { macro_constant, MDOC_QUOTABLE }, /* %B */
1.13 kristaps 131: { macro_constant, MDOC_QUOTABLE }, /* %D */
1.23 kristaps 132: { macro_constant, MDOC_QUOTABLE }, /* %I */
133: { macro_constant, MDOC_QUOTABLE }, /* %J */
1.13 kristaps 134: { macro_constant, MDOC_QUOTABLE }, /* %N */
135: { macro_constant, MDOC_QUOTABLE }, /* %O */
136: { macro_constant, MDOC_QUOTABLE }, /* %P */
137: { macro_constant, MDOC_QUOTABLE }, /* %R */
1.23 kristaps 138: { macro_constant, MDOC_QUOTABLE }, /* %T */
1.13 kristaps 139: { macro_constant, MDOC_QUOTABLE }, /* %V */
1.29 kristaps 140: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
141: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */
1.19 kristaps 142: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
1.34 ! kristaps 143: { macro_constant_delimited, 0 }, /* At */
1.29 kristaps 144: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
1.16 kristaps 145: { macro_scoped, MDOC_EXPLICIT }, /* Bf */
1.29 kristaps 146: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */
1.19 kristaps 147: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */
148: { macro_constant_delimited, MDOC_PARSED }, /* Bsx */
149: { macro_constant_delimited, MDOC_PARSED }, /* Bx */
1.13 kristaps 150: { macro_constant, 0 }, /* Db */
1.29 kristaps 151: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
152: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */
1.19 kristaps 153: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
1.29 kristaps 154: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
155: { macro_scoped_close, MDOC_EXPLICIT }, /* Ef */
1.19 kristaps 156: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */
1.29 kristaps 157: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
1.19 kristaps 158: { macro_constant_delimited, MDOC_PARSED }, /* Fx */
159: { macro_text, MDOC_PARSED }, /* Ms */
160: { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */
161: { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */
162: { macro_constant_delimited, MDOC_PARSED }, /* Nx */
163: { macro_constant_delimited, MDOC_PARSED }, /* Ox */
1.29 kristaps 164: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
1.32 kristaps 165: { macro_constant_delimited, MDOC_PARSED }, /* Pf */
1.29 kristaps 166: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */
1.19 kristaps 167: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
1.29 kristaps 168: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
1.19 kristaps 169: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
1.29 kristaps 170: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */
1.19 kristaps 171: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
1.29 kristaps 172: { macro_scoped_close, MDOC_EXPLICIT }, /* Re */
1.13 kristaps 173: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.29 kristaps 174: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
175: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */
1.19 kristaps 176: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */
1.13 kristaps 177: { macro_constant, 0 }, /* Sm */
1.19 kristaps 178: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
179: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
180: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
181: { macro_constant_delimited, MDOC_PARSED }, /* Ux */
1.29 kristaps 182: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
183: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.19 kristaps 184: /* XXX - .Fo supposed to be (but isn't) callable. */
185: { macro_scoped, MDOC_EXPLICIT | MDOC_PARSED }, /* Fo */
186: /* XXX - .Fc supposed to be (but isn't) callable. */
1.29 kristaps 187: { macro_scoped_close, MDOC_EXPLICIT | MDOC_PARSED }, /* Fc */
188: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */
189: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
1.17 kristaps 190: { macro_scoped, MDOC_EXPLICIT }, /* Bk */
1.29 kristaps 191: { macro_scoped_close, MDOC_EXPLICIT }, /* Ek */
1.9 kristaps 192: { macro_constant, 0 }, /* Bt */
1.10 kristaps 193: { macro_constant, 0 }, /* Hf */
1.12 kristaps 194: { macro_obsolete, 0 }, /* Fr */
1.9 kristaps 195: { macro_constant, 0 }, /* Ud */
1.1 kristaps 196: };
197:
198: const char * const *mdoc_macronames = __mdoc_macronames;
199: const char * const *mdoc_argnames = __mdoc_argnames;
200: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
201:
202:
203: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
204: static void argfree(size_t, struct mdoc_arg *);
205: static void argcpy(struct mdoc_arg *,
206: const struct mdoc_arg *);
207:
208: static void mdoc_node_freelist(struct mdoc_node *);
1.23 kristaps 209: static int mdoc_node_append(struct mdoc *,
1.1 kristaps 210: struct mdoc_node *);
211: static void mdoc_elem_free(struct mdoc_elem *);
212: static void mdoc_text_free(struct mdoc_text *);
213:
214:
215: const struct mdoc_node *
216: mdoc_result(struct mdoc *mdoc)
217: {
218:
219: return(mdoc->first);
220: }
221:
222:
223: void
1.34 ! kristaps 224: mdoc_meta_free(struct mdoc *mdoc)
! 225: {
! 226:
! 227: if (mdoc->meta.title)
! 228: free(mdoc->meta.title);
! 229: if (mdoc->meta.os)
! 230: free(mdoc->meta.os);
! 231: if (mdoc->meta.name)
! 232: free(mdoc->meta.name);
! 233: }
! 234:
! 235:
! 236: void
1.1 kristaps 237: mdoc_free(struct mdoc *mdoc)
238: {
239:
240: if (mdoc->first)
241: mdoc_node_freelist(mdoc->first);
242: if (mdoc->htab)
1.4 kristaps 243: mdoc_tokhash_free(mdoc->htab);
1.1 kristaps 244:
245: free(mdoc);
246: }
247:
248:
249: struct mdoc *
250: mdoc_alloc(void *data, const struct mdoc_cb *cb)
251: {
252: struct mdoc *p;
253:
254: p = xcalloc(1, sizeof(struct mdoc));
255:
256: p->data = data;
1.33 kristaps 257: if (cb)
258: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 259:
1.25 kristaps 260: p->last = xcalloc(1, sizeof(struct mdoc_node));
261: p->last->type = MDOC_ROOT;
262: p->first = p->last;
263:
264: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 265: p->htab = mdoc_tokhash_alloc();
1.25 kristaps 266:
1.1 kristaps 267: return(p);
268: }
269:
270:
271: int
1.20 kristaps 272: mdoc_endparse(struct mdoc *mdoc)
273: {
274:
275: if (MDOC_HALT & mdoc->flags)
276: return(0);
277: if (NULL == mdoc->first)
278: return(1);
279:
280: assert(mdoc->last);
281: if ( ! macro_end(mdoc)) {
282: mdoc->flags |= MDOC_HALT;
283: return(0);
284: }
285: return(1);
286: }
287:
288:
289: int
290: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 291: {
292: int c, i;
293: char tmp[5];
294:
1.20 kristaps 295: if (MDOC_HALT & mdoc->flags)
296: return(0);
297:
1.5 kristaps 298: if ('.' != *buf) {
1.23 kristaps 299: if (SEC_PROLOGUE != mdoc->sec_lastn) {
1.26 kristaps 300: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
301: return(0);
1.23 kristaps 302: mdoc->next = MDOC_NEXT_SIBLING;
303: return(1);
304: }
1.31 kristaps 305: return(mdoc_perr(mdoc, line, 0, "text disallowed"));
1.1 kristaps 306: }
307:
308: if (buf[1] && '\\' == buf[1])
309: if (buf[2] && '\"' == buf[2])
310: return(1);
311:
312: i = 1;
313: while (buf[i] && ! isspace(buf[i]) && i < (int)sizeof(tmp))
314: i++;
315:
1.20 kristaps 316: if (i == (int)sizeof(tmp)) {
317: mdoc->flags |= MDOC_HALT;
1.31 kristaps 318: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 319: } else if (i <= 2) {
320: mdoc->flags |= MDOC_HALT;
1.31 kristaps 321: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 322: }
1.1 kristaps 323:
324: i--;
325:
1.2 kristaps 326: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 327: tmp[i++] = 0;
328:
1.20 kristaps 329: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
330: mdoc->flags |= MDOC_HALT;
1.31 kristaps 331: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 332: }
1.1 kristaps 333:
334: while (buf[i] && isspace(buf[i]))
335: i++;
336:
1.21 kristaps 337: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 338: mdoc->flags |= MDOC_HALT;
339: return(0);
340: }
341: return(1);
1.1 kristaps 342: }
343:
344:
345: void
1.31 kristaps 346: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 347: {
1.31 kristaps 348: char buf[256];
1.23 kristaps 349: va_list ap;
1.1 kristaps 350:
351: if (NULL == mdoc->cb.mdoc_msg)
352: return;
353:
354: va_start(ap, fmt);
1.31 kristaps 355: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 356: va_end(ap);
1.31 kristaps 357: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 358: }
359:
360:
361: int
1.31 kristaps 362: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
363: const char *fmt, ...)
1.1 kristaps 364: {
1.31 kristaps 365: char buf[256];
366: va_list ap;
1.1 kristaps 367:
368: if (NULL == mdoc->cb.mdoc_err)
369: return(0);
1.31 kristaps 370:
371: va_start(ap, fmt);
372: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
373: va_end(ap);
374: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 375: }
376:
377:
378: int
1.31 kristaps 379: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
380: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 381: {
1.31 kristaps 382: char buf[256];
383: va_list ap;
1.1 kristaps 384:
385: if (NULL == mdoc->cb.mdoc_warn)
386: return(0);
1.31 kristaps 387:
388: va_start(ap, fmt);
389: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
390: va_end(ap);
391: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 392: }
393:
394:
395: int
1.21 kristaps 396: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 397: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 398: {
399:
1.31 kristaps 400: assert(mdoc_macros[tok].fp);
401:
1.17 kristaps 402: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
1.13 kristaps 403: SEC_PROLOGUE == mdoc->sec_lastn)
1.31 kristaps 404: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 405: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 406: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 407: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 408: }
409:
410:
1.23 kristaps 411: static int
412: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 413: {
1.30 kristaps 414: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 415:
1.25 kristaps 416: assert(mdoc->last);
417: assert(mdoc->first);
418: assert(MDOC_ROOT != p->type);
1.1 kristaps 419:
1.27 kristaps 420: if (MDOC_TEXT == mdoc->last->type)
421: on = "<text>";
422: else if (MDOC_ROOT == mdoc->last->type)
423: on = "<root>";
424: else
425: on = mdoc_macronames[mdoc->last->tok];
426:
1.30 kristaps 427: if (MDOC_TEXT == p->type)
428: nn = "<text>";
429: else if (MDOC_ROOT == p->type)
430: nn = "<root>";
431: else
432: nn = mdoc_macronames[p->tok];
433:
434: ot = mdoc_type2a(mdoc->last->type);
435: nt = mdoc_type2a(p->type);
1.1 kristaps 436:
1.13 kristaps 437: switch (mdoc->next) {
438: case (MDOC_NEXT_SIBLING):
1.6 kristaps 439: mdoc->last->next = p;
440: p->prev = mdoc->last;
1.13 kristaps 441: p->parent = mdoc->last->parent;
1.6 kristaps 442: act = "sibling";
1.1 kristaps 443: break;
1.13 kristaps 444: case (MDOC_NEXT_CHILD):
445: mdoc->last->child = p;
1.1 kristaps 446: p->parent = mdoc->last;
447: act = "child";
448: break;
449: default:
1.13 kristaps 450: abort();
451: /* NOTREACHED */
1.1 kristaps 452: }
453:
1.23 kristaps 454: if ( ! mdoc_valid_pre(mdoc, p))
455: return(0);
1.27 kristaps 456:
457: switch (p->type) {
458: case (MDOC_HEAD):
459: assert(MDOC_BLOCK == p->parent->type);
460: p->parent->data.block.head = p;
461: break;
462: case (MDOC_TAIL):
463: assert(MDOC_BLOCK == p->parent->type);
464: p->parent->data.block.tail = p;
465: break;
466: case (MDOC_BODY):
467: assert(MDOC_BLOCK == p->parent->type);
468: p->parent->data.block.body = p;
469: break;
470: default:
471: break;
472: }
473:
1.1 kristaps 474: mdoc->last = p;
1.30 kristaps 475: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
476: nt, nn, act, ot, on);
1.23 kristaps 477: return(1);
1.1 kristaps 478: }
479:
480:
1.23 kristaps 481: int
1.22 kristaps 482: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 483: {
484: struct mdoc_node *p;
485:
486: assert(mdoc->first);
487: assert(mdoc->last);
488:
489: p = xcalloc(1, sizeof(struct mdoc_node));
490:
1.22 kristaps 491: p->line = line;
492: p->pos = pos;
1.17 kristaps 493: p->type = MDOC_TAIL;
1.27 kristaps 494: p->tok = tok;
1.17 kristaps 495:
1.23 kristaps 496: return(mdoc_node_append(mdoc, p));
1.17 kristaps 497: }
498:
499:
1.23 kristaps 500: int
1.22 kristaps 501: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 502: {
503: struct mdoc_node *p;
504:
505: assert(mdoc->first);
506: assert(mdoc->last);
507:
508: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 509:
1.22 kristaps 510: p->line = line;
511: p->pos = pos;
1.1 kristaps 512: p->type = MDOC_HEAD;
1.27 kristaps 513: p->tok = tok;
1.1 kristaps 514:
1.23 kristaps 515: return(mdoc_node_append(mdoc, p));
1.1 kristaps 516: }
517:
518:
1.23 kristaps 519: int
1.22 kristaps 520: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 521: {
522: struct mdoc_node *p;
523:
524: assert(mdoc->first);
525: assert(mdoc->last);
526:
527: p = xcalloc(1, sizeof(struct mdoc_node));
528:
1.22 kristaps 529: p->line = line;
530: p->pos = pos;
1.1 kristaps 531: p->type = MDOC_BODY;
1.27 kristaps 532: p->tok = tok;
1.1 kristaps 533:
1.23 kristaps 534: return(mdoc_node_append(mdoc, p));
1.1 kristaps 535: }
536:
537:
1.23 kristaps 538: int
1.25 kristaps 539: mdoc_root_alloc(struct mdoc *mdoc)
540: {
541: struct mdoc_node *p;
542:
543: p = xcalloc(1, sizeof(struct mdoc_node));
544:
545: p->type = MDOC_ROOT;
546:
547: return(mdoc_node_append(mdoc, p));
548: }
549:
550:
551: int
1.22 kristaps 552: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
553: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 554: {
555: struct mdoc_node *p;
556:
557: p = xcalloc(1, sizeof(struct mdoc_node));
558:
1.22 kristaps 559: p->pos = pos;
560: p->line = line;
1.1 kristaps 561: p->type = MDOC_BLOCK;
1.27 kristaps 562: p->tok = tok;
1.1 kristaps 563: p->data.block.argc = argsz;
564: p->data.block.argv = argdup(argsz, args);
565:
1.23 kristaps 566: return(mdoc_node_append(mdoc, p));
1.1 kristaps 567: }
568:
569:
1.23 kristaps 570: int
1.22 kristaps 571: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
572: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 573: {
574: struct mdoc_node *p;
575:
576: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 577:
578: p->line = line;
579: p->pos = pos;
1.1 kristaps 580: p->type = MDOC_ELEM;
1.27 kristaps 581: p->tok = tok;
1.1 kristaps 582: p->data.elem.argc = argsz;
583: p->data.elem.argv = argdup(argsz, args);
584:
1.23 kristaps 585: return(mdoc_node_append(mdoc, p));
1.1 kristaps 586: }
587:
588:
1.23 kristaps 589: int
1.22 kristaps 590: mdoc_word_alloc(struct mdoc *mdoc,
591: int line, int pos, const char *word)
1.1 kristaps 592: {
593: struct mdoc_node *p;
594:
595: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 596: p->line = line;
597: p->pos = pos;
1.1 kristaps 598: p->type = MDOC_TEXT;
599: p->data.text.string = xstrdup(word);
600:
1.23 kristaps 601: return(mdoc_node_append(mdoc, p));
1.1 kristaps 602: }
603:
604:
605: static void
606: argfree(size_t sz, struct mdoc_arg *p)
607: {
1.2 kristaps 608: int i, j;
1.1 kristaps 609:
610: if (0 == sz)
611: return;
612:
613: assert(p);
1.2 kristaps 614: /* LINTED */
615: for (i = 0; i < (int)sz; i++)
1.1 kristaps 616: if (p[i].sz > 0) {
617: assert(p[i].value);
1.2 kristaps 618: /* LINTED */
619: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 620: free(p[i].value[j]);
1.19 kristaps 621: free(p[i].value);
1.1 kristaps 622: }
623: free(p);
624: }
625:
626:
627: static void
628: mdoc_elem_free(struct mdoc_elem *p)
629: {
630:
631: argfree(p->argc, p->argv);
632: }
633:
634:
635: static void
636: mdoc_block_free(struct mdoc_block *p)
637: {
638:
639: argfree(p->argc, p->argv);
640: }
641:
642:
643: static void
644: mdoc_text_free(struct mdoc_text *p)
645: {
646:
647: if (p->string)
648: free(p->string);
649: }
650:
651:
652: void
653: mdoc_node_free(struct mdoc_node *p)
654: {
655:
656: switch (p->type) {
657: case (MDOC_TEXT):
658: mdoc_text_free(&p->data.text);
659: break;
660: case (MDOC_ELEM):
661: mdoc_elem_free(&p->data.elem);
662: break;
663: case (MDOC_BLOCK):
664: mdoc_block_free(&p->data.block);
665: break;
666: default:
667: break;
668: }
669:
670: free(p);
671: }
672:
673:
674: static void
675: mdoc_node_freelist(struct mdoc_node *p)
676: {
677:
678: if (p->child)
679: mdoc_node_freelist(p->child);
680: if (p->next)
681: mdoc_node_freelist(p->next);
682:
683: mdoc_node_free(p);
684: }
685:
686:
687: int
688: mdoc_find(const struct mdoc *mdoc, const char *key)
689: {
690:
1.4 kristaps 691: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 692: }
693:
694:
695: static void
696: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
697: {
1.2 kristaps 698: int i;
1.1 kristaps 699:
1.26 kristaps 700: dst->line = src->line;
701: dst->pos = src->pos;
1.1 kristaps 702: dst->arg = src->arg;
703: if (0 == (dst->sz = src->sz))
704: return;
705: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 706: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 707: dst->value[i] = xstrdup(src->value[i]);
708: }
709:
710:
711: static struct mdoc_arg *
712: argdup(size_t argsz, const struct mdoc_arg *args)
713: {
714: struct mdoc_arg *pp;
1.2 kristaps 715: int i;
1.1 kristaps 716:
717: if (0 == argsz)
718: return(NULL);
719:
720: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 721: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 722: argcpy(&pp[i], &args[i]);
723:
724: return(pp);
725: }
726:
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