Annotation of mandoc/mdoc.c, Revision 1.44
1.44 ! kristaps 1: /* $Id: mdoc.c,v 1.43 2009/01/20 20:56:21 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:
1.41 kristaps 29: /*
30: * Main caller in the libmdoc library. This begins the parsing routine,
31: * handles allocation of data, and so forth. Most of the "work" is done
32: * in macro.c, but this orchestrates who does what, when.
33: */
34:
1.1 kristaps 35: const char *const __mdoc_macronames[MDOC_MAX] = {
36: "\\\"", "Dd", "Dt", "Os",
37: "Sh", "Ss", "Pp", "D1",
38: "Dl", "Bd", "Ed", "Bl",
39: "El", "It", "Ad", "An",
40: "Ar", "Cd", "Cm", "Dv",
41: "Er", "Ev", "Ex", "Fa",
42: "Fd", "Fl", "Fn", "Ft",
43: "Ic", "In", "Li", "Nd",
44: "Nm", "Op", "Ot", "Pa",
45: "Rv", "St", "Va", "Vt",
46: /* LINTED */
47: "Xr", "\%A", "\%B", "\%D",
48: /* LINTED */
49: "\%I", "\%J", "\%N", "\%O",
50: /* LINTED */
51: "\%P", "\%R", "\%T", "\%V",
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",
65: "Fr", "Ud",
66: };
67:
68: const char *const __mdoc_argnames[MDOC_ARG_MAX] = {
69: "split", "nosplit", "ragged",
70: "unfilled", "literal", "file",
71: "offset", "bullet", "dash",
72: "hyphen", "item", "enum",
73: "tag", "diag", "hang",
74: "ohang", "inset", "column",
75: "width", "compact", "std",
76: "p1003.1-88", "p1003.1-90", "p1003.1-96",
77: "p1003.1-2001", "p1003.1-2004", "p1003.1",
78: "p1003.1b", "p1003.1b-93", "p1003.1c-95",
79: "p1003.1g-2000", "p1003.2-92", "p1387.2-95",
80: "p1003.2", "p1387.2", "isoC-90",
81: "isoC-amd1", "isoC-tcor1", "isoC-tcor2",
82: "isoC-99", "ansiC", "ansiC-89",
83: "ansiC-99", "ieee754", "iso8802-3",
84: "xpg3", "xpg4", "xpg4.2",
85: "xpg4.3", "xbd5", "xcu5",
86: "xsh5", "xns5", "xns5.2d2.0",
87: "xcurses4.2", "susv2", "susv3",
88: "svid4", "filled", "words",
1.14 kristaps 89: "emphasis", "symbolic",
1.1 kristaps 90: };
91:
1.41 kristaps 92: /* Central table of library: who gets parsed how. */
93:
1.1 kristaps 94: const struct mdoc_macro __mdoc_macros[MDOC_MAX] = {
95: { NULL, 0 }, /* \" */
1.39 kristaps 96: { macro_constant, MDOC_PROLOGUE }, /* Dd */
97: { macro_constant, MDOC_PROLOGUE }, /* Dt */
98: { macro_constant, MDOC_PROLOGUE }, /* Os */
1.13 kristaps 99: { macro_scoped, 0 }, /* Sh */
100: { macro_scoped, 0 }, /* Ss */
1.5 kristaps 101: { macro_text, 0 }, /* Pp */
1.19 kristaps 102: { macro_scoped_line, MDOC_PARSED }, /* D1 */
103: { macro_scoped_line, MDOC_PARSED }, /* Dl */
1.13 kristaps 104: { macro_scoped, MDOC_EXPLICIT }, /* Bd */
1.29 kristaps 105: { macro_scoped_close, MDOC_EXPLICIT }, /* Ed */
1.13 kristaps 106: { macro_scoped, MDOC_EXPLICIT }, /* Bl */
1.29 kristaps 107: { macro_scoped_close, MDOC_EXPLICIT }, /* El */
1.43 kristaps 108: { macro_scoped, MDOC_PARSED }, /* It */
1.19 kristaps 109: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ad */
1.32 kristaps 110: { macro_text, MDOC_PARSED }, /* An */
1.19 kristaps 111: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ar */
1.43 kristaps 112: { macro_constant, 0 }, /* Cd */
1.19 kristaps 113: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Cm */
114: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Dv */
115: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Er */
116: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ev */
1.13 kristaps 117: { macro_constant, 0 }, /* Ex */
1.43 kristaps 118: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fa */
1.13 kristaps 119: { macro_constant, 0 }, /* Fd */
1.19 kristaps 120: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fl */
1.43 kristaps 121: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Fn */
122: { macro_text, MDOC_PARSED }, /* Ft */
1.19 kristaps 123: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Ic */
1.13 kristaps 124: { macro_constant, 0 }, /* In */
1.19 kristaps 125: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Li */
1.10 kristaps 126: { macro_constant, 0 }, /* Nd */
1.19 kristaps 127: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Nm */
128: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Op */
1.13 kristaps 129: { macro_obsolete, 0 }, /* Ot */
1.19 kristaps 130: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Pa */
1.13 kristaps 131: { macro_constant, 0 }, /* Rv */
1.22 kristaps 132: /* XXX - .St supposed to be (but isn't) callable. */
1.19 kristaps 133: { macro_constant_delimited, MDOC_PARSED }, /* St */
134: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Va */
135: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Vt */
136: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Xr */
1.43 kristaps 137: { macro_constant, 0 }, /* %A */
138: { macro_constant, 0 }, /* %B */
139: { macro_constant, 0 }, /* %D */
140: { macro_constant, 0 }, /* %I */
141: { macro_constant, 0 }, /* %J */
142: { macro_constant, 0 }, /* %N */
143: { macro_constant, 0 }, /* %O */
144: { macro_constant, 0 }, /* %P */
145: { macro_constant, 0 }, /* %R */
146: { macro_constant, 0 }, /* %T */
147: { macro_constant, 0 }, /* %V */
1.29 kristaps 148: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ac */
149: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Ao */
1.19 kristaps 150: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Aq */
1.34 kristaps 151: { macro_constant_delimited, 0 }, /* At */
1.29 kristaps 152: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Bc */
1.16 kristaps 153: { macro_scoped, MDOC_EXPLICIT }, /* Bf */
1.29 kristaps 154: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Bo */
1.19 kristaps 155: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Bq */
156: { macro_constant_delimited, MDOC_PARSED }, /* Bsx */
157: { macro_constant_delimited, MDOC_PARSED }, /* Bx */
1.13 kristaps 158: { macro_constant, 0 }, /* Db */
1.29 kristaps 159: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Dc */
160: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Do */
1.19 kristaps 161: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Dq */
1.29 kristaps 162: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Ec */
163: { macro_scoped_close, MDOC_EXPLICIT }, /* Ef */
1.19 kristaps 164: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Em */
1.29 kristaps 165: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Eo */
1.19 kristaps 166: { macro_constant_delimited, MDOC_PARSED }, /* Fx */
167: { macro_text, MDOC_PARSED }, /* Ms */
168: { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* No */
169: { macro_constant_delimited, MDOC_CALLABLE | MDOC_PARSED }, /* Ns */
170: { macro_constant_delimited, MDOC_PARSED }, /* Nx */
171: { macro_constant_delimited, MDOC_PARSED }, /* Ox */
1.29 kristaps 172: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Pc */
1.32 kristaps 173: { macro_constant_delimited, MDOC_PARSED }, /* Pf */
1.29 kristaps 174: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Po */
1.19 kristaps 175: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Pq */
1.29 kristaps 176: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Qc */
1.19 kristaps 177: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Ql */
1.29 kristaps 178: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Qo */
1.19 kristaps 179: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Qq */
1.29 kristaps 180: { macro_scoped_close, MDOC_EXPLICIT }, /* Re */
1.13 kristaps 181: { macro_scoped, MDOC_EXPLICIT }, /* Rs */
1.29 kristaps 182: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Sc */
183: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* So */
1.19 kristaps 184: { macro_scoped_line, MDOC_CALLABLE | MDOC_PARSED }, /* Sq */
1.13 kristaps 185: { macro_constant, 0 }, /* Sm */
1.19 kristaps 186: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sx */
187: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Sy */
188: { macro_text, MDOC_CALLABLE | MDOC_PARSED }, /* Tn */
189: { macro_constant_delimited, MDOC_PARSED }, /* Ux */
1.29 kristaps 190: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Xc */
191: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Xo */
1.19 kristaps 192: /* XXX - .Fo supposed to be (but isn't) callable. */
1.43 kristaps 193: { macro_scoped, MDOC_EXPLICIT }, /* Fo */
1.19 kristaps 194: /* XXX - .Fc supposed to be (but isn't) callable. */
1.43 kristaps 195: { macro_scoped_close, MDOC_EXPLICIT }, /* Fc */
1.29 kristaps 196: { macro_constant_scoped, MDOC_CALLABLE | MDOC_PARSED | MDOC_EXPLICIT }, /* Oo */
197: { macro_scoped_close, MDOC_EXPLICIT | MDOC_CALLABLE | MDOC_PARSED }, /* Oc */
1.17 kristaps 198: { macro_scoped, MDOC_EXPLICIT }, /* Bk */
1.29 kristaps 199: { macro_scoped_close, MDOC_EXPLICIT }, /* Ek */
1.9 kristaps 200: { macro_constant, 0 }, /* Bt */
1.10 kristaps 201: { macro_constant, 0 }, /* Hf */
1.12 kristaps 202: { macro_obsolete, 0 }, /* Fr */
1.9 kristaps 203: { macro_constant, 0 }, /* Ud */
1.1 kristaps 204: };
205:
206: const char * const *mdoc_macronames = __mdoc_macronames;
207: const char * const *mdoc_argnames = __mdoc_argnames;
208: const struct mdoc_macro * const mdoc_macros = __mdoc_macros;
209:
210: static struct mdoc_arg *argdup(size_t, const struct mdoc_arg *);
211: static void argfree(size_t, struct mdoc_arg *);
212: static void argcpy(struct mdoc_arg *,
213: const struct mdoc_arg *);
214:
1.23 kristaps 215: static int mdoc_node_append(struct mdoc *,
1.1 kristaps 216: struct mdoc_node *);
217: static void mdoc_elem_free(struct mdoc_elem *);
218: static void mdoc_text_free(struct mdoc_text *);
219:
220:
221: const struct mdoc_node *
1.37 kristaps 222: mdoc_node(struct mdoc *mdoc)
1.1 kristaps 223: {
224:
225: return(mdoc->first);
226: }
227:
228:
1.37 kristaps 229: const struct mdoc_meta *
230: mdoc_meta(struct mdoc *mdoc)
231: {
232:
233: return(&mdoc->meta);
234: }
235:
236:
1.1 kristaps 237: void
1.38 kristaps 238: mdoc_free(struct mdoc *mdoc)
1.34 kristaps 239: {
240:
1.38 kristaps 241: if (mdoc->first)
242: mdoc_node_freelist(mdoc->first);
243: if (mdoc->htab)
244: mdoc_tokhash_free(mdoc->htab);
1.34 kristaps 245: if (mdoc->meta.title)
246: free(mdoc->meta.title);
247: if (mdoc->meta.os)
248: free(mdoc->meta.os);
249: if (mdoc->meta.name)
250: free(mdoc->meta.name);
251:
1.1 kristaps 252: free(mdoc);
253: }
254:
255:
256: struct mdoc *
257: mdoc_alloc(void *data, const struct mdoc_cb *cb)
258: {
259: struct mdoc *p;
260:
261: p = xcalloc(1, sizeof(struct mdoc));
262:
263: p->data = data;
1.33 kristaps 264: if (cb)
265: (void)memcpy(&p->cb, cb, sizeof(struct mdoc_cb));
1.1 kristaps 266:
1.25 kristaps 267: p->last = xcalloc(1, sizeof(struct mdoc_node));
268: p->last->type = MDOC_ROOT;
269: p->first = p->last;
270:
271: p->next = MDOC_NEXT_CHILD;
1.4 kristaps 272: p->htab = mdoc_tokhash_alloc();
1.25 kristaps 273:
1.1 kristaps 274: return(p);
275: }
276:
277:
278: int
1.20 kristaps 279: mdoc_endparse(struct mdoc *mdoc)
280: {
281:
282: if (MDOC_HALT & mdoc->flags)
283: return(0);
284: if (NULL == mdoc->first)
285: return(1);
286:
287: assert(mdoc->last);
288: if ( ! macro_end(mdoc)) {
289: mdoc->flags |= MDOC_HALT;
290: return(0);
291: }
292: return(1);
293: }
294:
295:
296: int
297: mdoc_parseln(struct mdoc *mdoc, int line, char *buf)
1.1 kristaps 298: {
299: int c, i;
300: char tmp[5];
301:
1.20 kristaps 302: if (MDOC_HALT & mdoc->flags)
303: return(0);
304:
1.39 kristaps 305: mdoc->linetok = 0;
306:
1.5 kristaps 307: if ('.' != *buf) {
1.44 ! kristaps 308: if (SEC_PROLOGUE == mdoc->lastnamed)
! 309: return(mdoc_perr(mdoc, line, 0, "text disallowed in document prologue"));
1.39 kristaps 310: if ( ! mdoc_word_alloc(mdoc, line, 0, buf))
311: return(0);
312: mdoc->next = MDOC_NEXT_SIBLING;
313: return(1);
1.1 kristaps 314: }
315:
316: if (buf[1] && '\\' == buf[1])
317: if (buf[2] && '\"' == buf[2])
318: return(1);
319:
320: i = 1;
1.42 kristaps 321: while (buf[i] && ! isspace((int)buf[i]) && i < (int)sizeof(tmp))
1.1 kristaps 322: i++;
323:
1.20 kristaps 324: if (i == (int)sizeof(tmp)) {
325: mdoc->flags |= MDOC_HALT;
1.31 kristaps 326: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 327: } else if (i <= 2) {
328: mdoc->flags |= MDOC_HALT;
1.31 kristaps 329: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 330: }
1.1 kristaps 331:
332: i--;
333:
1.2 kristaps 334: (void)memcpy(tmp, buf + 1, (size_t)i);
1.1 kristaps 335: tmp[i++] = 0;
336:
1.20 kristaps 337: if (MDOC_MAX == (c = mdoc_find(mdoc, tmp))) {
338: mdoc->flags |= MDOC_HALT;
1.31 kristaps 339: return(mdoc_perr(mdoc, line, 1, "unknown macro"));
1.20 kristaps 340: }
1.1 kristaps 341:
1.42 kristaps 342: while (buf[i] && isspace((int)buf[i]))
1.1 kristaps 343: i++;
344:
1.21 kristaps 345: if ( ! mdoc_macro(mdoc, c, line, 1, &i, buf)) {
1.20 kristaps 346: mdoc->flags |= MDOC_HALT;
347: return(0);
348: }
349: return(1);
1.1 kristaps 350: }
351:
352:
353: void
1.31 kristaps 354: mdoc_vmsg(struct mdoc *mdoc, int ln, int pos, const char *fmt, ...)
1.1 kristaps 355: {
1.31 kristaps 356: char buf[256];
1.23 kristaps 357: va_list ap;
1.1 kristaps 358:
359: if (NULL == mdoc->cb.mdoc_msg)
360: return;
361:
362: va_start(ap, fmt);
1.31 kristaps 363: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
1.1 kristaps 364: va_end(ap);
1.31 kristaps 365: (*mdoc->cb.mdoc_msg)(mdoc->data, ln, pos, buf);
1.1 kristaps 366: }
367:
368:
369: int
1.31 kristaps 370: mdoc_verr(struct mdoc *mdoc, int ln, int pos,
371: const char *fmt, ...)
1.1 kristaps 372: {
1.31 kristaps 373: char buf[256];
374: va_list ap;
1.1 kristaps 375:
376: if (NULL == mdoc->cb.mdoc_err)
377: return(0);
1.31 kristaps 378:
379: va_start(ap, fmt);
380: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
381: va_end(ap);
382: return((*mdoc->cb.mdoc_err)(mdoc->data, ln, pos, buf));
1.1 kristaps 383: }
384:
385:
386: int
1.31 kristaps 387: mdoc_vwarn(struct mdoc *mdoc, int ln, int pos,
388: enum mdoc_warn type, const char *fmt, ...)
1.1 kristaps 389: {
1.31 kristaps 390: char buf[256];
391: va_list ap;
1.1 kristaps 392:
393: if (NULL == mdoc->cb.mdoc_warn)
394: return(0);
1.31 kristaps 395:
396: va_start(ap, fmt);
397: (void)vsnprintf(buf, sizeof(buf) - 1, fmt, ap);
398: va_end(ap);
399: return((*mdoc->cb.mdoc_warn)(mdoc->data, ln, pos, type, buf));
1.1 kristaps 400: }
401:
402:
403: int
1.21 kristaps 404: mdoc_macro(struct mdoc *mdoc, int tok,
1.23 kristaps 405: int ln, int ppos, int *pos, char *buf)
1.1 kristaps 406: {
407:
1.31 kristaps 408: assert(mdoc_macros[tok].fp);
409:
1.44 ! kristaps 410: if (MDOC_PROLOGUE & mdoc_macros[tok].flags &&
! 411: SEC_PROLOGUE != mdoc->lastnamed)
! 412: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document body"));
! 413: if ( ! (MDOC_PROLOGUE & mdoc_macros[tok].flags) &&
! 414: SEC_PROLOGUE == mdoc->lastnamed)
! 415: return(mdoc_perr(mdoc, ln, ppos, "macro disallowed in document prologue"));
1.23 kristaps 416: if (1 != ppos && ! (MDOC_CALLABLE & mdoc_macros[tok].flags))
1.31 kristaps 417: return(mdoc_perr(mdoc, ln, ppos, "macro not callable"));
1.23 kristaps 418: return((*mdoc_macros[tok].fp)(mdoc, tok, ln, ppos, pos, buf));
1.1 kristaps 419: }
420:
421:
1.23 kristaps 422: static int
423: mdoc_node_append(struct mdoc *mdoc, struct mdoc_node *p)
1.1 kristaps 424: {
1.30 kristaps 425: const char *nn, *nt, *on, *ot, *act;
1.1 kristaps 426:
1.25 kristaps 427: assert(mdoc->last);
428: assert(mdoc->first);
429: assert(MDOC_ROOT != p->type);
1.1 kristaps 430:
1.39 kristaps 431: /* See if we exceed the suggest line-max. */
432:
433: switch (p->type) {
434: case (MDOC_TEXT):
435: /* FALLTHROUGH */
436: case (MDOC_ELEM):
437: /* FALLTHROUGH */
438: case (MDOC_BLOCK):
439: mdoc->linetok++;
440: break;
441: default:
442: break;
443: }
444:
1.40 kristaps 445: /* This sort-of works (re-opening of text macros...). */
1.39 kristaps 446: if (mdoc->linetok > MDOC_LINEARG_SOFTMAX)
447: if ( ! mdoc_nwarn(mdoc, p, WARN_COMPAT,
448: "suggested %d tokens per line exceeded (has %d)",
449: MDOC_LINEARG_SOFTMAX, mdoc->linetok))
450: return(0);
451:
1.27 kristaps 452: if (MDOC_TEXT == mdoc->last->type)
453: on = "<text>";
454: else if (MDOC_ROOT == mdoc->last->type)
455: on = "<root>";
456: else
457: on = mdoc_macronames[mdoc->last->tok];
458:
1.30 kristaps 459: if (MDOC_TEXT == p->type)
460: nn = "<text>";
461: else if (MDOC_ROOT == p->type)
462: nn = "<root>";
463: else
464: nn = mdoc_macronames[p->tok];
465:
466: ot = mdoc_type2a(mdoc->last->type);
467: nt = mdoc_type2a(p->type);
1.1 kristaps 468:
1.13 kristaps 469: switch (mdoc->next) {
470: case (MDOC_NEXT_SIBLING):
1.6 kristaps 471: mdoc->last->next = p;
472: p->prev = mdoc->last;
1.13 kristaps 473: p->parent = mdoc->last->parent;
1.6 kristaps 474: act = "sibling";
1.1 kristaps 475: break;
1.13 kristaps 476: case (MDOC_NEXT_CHILD):
477: mdoc->last->child = p;
1.1 kristaps 478: p->parent = mdoc->last;
479: act = "child";
480: break;
481: default:
1.13 kristaps 482: abort();
483: /* NOTREACHED */
1.1 kristaps 484: }
485:
1.23 kristaps 486: if ( ! mdoc_valid_pre(mdoc, p))
487: return(0);
1.27 kristaps 488:
489: switch (p->type) {
490: case (MDOC_HEAD):
491: assert(MDOC_BLOCK == p->parent->type);
492: p->parent->data.block.head = p;
493: break;
494: case (MDOC_TAIL):
495: assert(MDOC_BLOCK == p->parent->type);
496: p->parent->data.block.tail = p;
497: break;
498: case (MDOC_BODY):
499: assert(MDOC_BLOCK == p->parent->type);
500: p->parent->data.block.body = p;
501: break;
502: default:
503: break;
504: }
505:
1.1 kristaps 506: mdoc->last = p;
1.30 kristaps 507: mdoc_msg(mdoc, "parse: %s `%s' %s of %s `%s'",
508: nt, nn, act, ot, on);
1.23 kristaps 509: return(1);
1.1 kristaps 510: }
511:
512:
1.23 kristaps 513: int
1.22 kristaps 514: mdoc_tail_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.17 kristaps 515: {
516: struct mdoc_node *p;
517:
518: assert(mdoc->first);
519: assert(mdoc->last);
520:
521: p = xcalloc(1, sizeof(struct mdoc_node));
522:
1.22 kristaps 523: p->line = line;
524: p->pos = pos;
1.17 kristaps 525: p->type = MDOC_TAIL;
1.27 kristaps 526: p->tok = tok;
1.17 kristaps 527:
1.23 kristaps 528: return(mdoc_node_append(mdoc, p));
1.17 kristaps 529: }
530:
531:
1.23 kristaps 532: int
1.22 kristaps 533: mdoc_head_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 534: {
535: struct mdoc_node *p;
536:
537: assert(mdoc->first);
538: assert(mdoc->last);
539:
540: p = xcalloc(1, sizeof(struct mdoc_node));
1.13 kristaps 541:
1.22 kristaps 542: p->line = line;
543: p->pos = pos;
1.1 kristaps 544: p->type = MDOC_HEAD;
1.27 kristaps 545: p->tok = tok;
1.1 kristaps 546:
1.23 kristaps 547: return(mdoc_node_append(mdoc, p));
1.1 kristaps 548: }
549:
550:
1.23 kristaps 551: int
1.22 kristaps 552: mdoc_body_alloc(struct mdoc *mdoc, int line, int pos, int tok)
1.1 kristaps 553: {
554: struct mdoc_node *p;
555:
556: assert(mdoc->first);
557: assert(mdoc->last);
558:
559: p = xcalloc(1, sizeof(struct mdoc_node));
560:
1.22 kristaps 561: p->line = line;
562: p->pos = pos;
1.1 kristaps 563: p->type = MDOC_BODY;
1.27 kristaps 564: p->tok = tok;
1.1 kristaps 565:
1.23 kristaps 566: return(mdoc_node_append(mdoc, p));
1.1 kristaps 567: }
568:
569:
1.23 kristaps 570: int
1.25 kristaps 571: mdoc_root_alloc(struct mdoc *mdoc)
572: {
573: struct mdoc_node *p;
574:
575: p = xcalloc(1, sizeof(struct mdoc_node));
576:
577: p->type = MDOC_ROOT;
578:
579: return(mdoc_node_append(mdoc, p));
580: }
581:
582:
583: int
1.22 kristaps 584: mdoc_block_alloc(struct mdoc *mdoc, int line, int pos,
585: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 586: {
587: struct mdoc_node *p;
588:
589: p = xcalloc(1, sizeof(struct mdoc_node));
590:
1.22 kristaps 591: p->pos = pos;
592: p->line = line;
1.1 kristaps 593: p->type = MDOC_BLOCK;
1.27 kristaps 594: p->tok = tok;
1.1 kristaps 595: p->data.block.argc = argsz;
596: p->data.block.argv = argdup(argsz, args);
597:
1.23 kristaps 598: return(mdoc_node_append(mdoc, p));
1.1 kristaps 599: }
600:
601:
1.23 kristaps 602: int
1.22 kristaps 603: mdoc_elem_alloc(struct mdoc *mdoc, int line, int pos,
604: int tok, size_t argsz, const struct mdoc_arg *args)
1.1 kristaps 605: {
606: struct mdoc_node *p;
607:
608: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 609:
610: p->line = line;
611: p->pos = pos;
1.1 kristaps 612: p->type = MDOC_ELEM;
1.27 kristaps 613: p->tok = tok;
1.1 kristaps 614: p->data.elem.argc = argsz;
615: p->data.elem.argv = argdup(argsz, args);
616:
1.23 kristaps 617: return(mdoc_node_append(mdoc, p));
1.1 kristaps 618: }
619:
620:
1.23 kristaps 621: int
1.22 kristaps 622: mdoc_word_alloc(struct mdoc *mdoc,
623: int line, int pos, const char *word)
1.1 kristaps 624: {
625: struct mdoc_node *p;
626:
627: p = xcalloc(1, sizeof(struct mdoc_node));
1.22 kristaps 628: p->line = line;
629: p->pos = pos;
1.1 kristaps 630: p->type = MDOC_TEXT;
631: p->data.text.string = xstrdup(word);
632:
1.23 kristaps 633: return(mdoc_node_append(mdoc, p));
1.1 kristaps 634: }
635:
636:
637: static void
638: argfree(size_t sz, struct mdoc_arg *p)
639: {
1.2 kristaps 640: int i, j;
1.1 kristaps 641:
642: if (0 == sz)
643: return;
644:
645: assert(p);
1.2 kristaps 646: /* LINTED */
647: for (i = 0; i < (int)sz; i++)
1.1 kristaps 648: if (p[i].sz > 0) {
649: assert(p[i].value);
1.2 kristaps 650: /* LINTED */
651: for (j = 0; j < (int)p[i].sz; j++)
1.1 kristaps 652: free(p[i].value[j]);
1.19 kristaps 653: free(p[i].value);
1.1 kristaps 654: }
655: free(p);
656: }
657:
658:
659: static void
660: mdoc_elem_free(struct mdoc_elem *p)
661: {
662:
663: argfree(p->argc, p->argv);
664: }
665:
666:
667: static void
668: mdoc_block_free(struct mdoc_block *p)
669: {
670:
671: argfree(p->argc, p->argv);
672: }
673:
674:
675: static void
676: mdoc_text_free(struct mdoc_text *p)
677: {
678:
679: if (p->string)
680: free(p->string);
681: }
682:
683:
684: void
685: mdoc_node_free(struct mdoc_node *p)
686: {
687:
688: switch (p->type) {
689: case (MDOC_TEXT):
690: mdoc_text_free(&p->data.text);
691: break;
692: case (MDOC_ELEM):
693: mdoc_elem_free(&p->data.elem);
694: break;
695: case (MDOC_BLOCK):
696: mdoc_block_free(&p->data.block);
697: break;
698: default:
699: break;
700: }
701:
702: free(p);
703: }
704:
705:
1.37 kristaps 706: void
1.1 kristaps 707: mdoc_node_freelist(struct mdoc_node *p)
708: {
709:
710: if (p->child)
711: mdoc_node_freelist(p->child);
712: if (p->next)
713: mdoc_node_freelist(p->next);
714:
715: mdoc_node_free(p);
716: }
717:
718:
719: int
720: mdoc_find(const struct mdoc *mdoc, const char *key)
721: {
722:
1.4 kristaps 723: return(mdoc_tokhash_find(mdoc->htab, key));
1.1 kristaps 724: }
725:
726:
727: static void
728: argcpy(struct mdoc_arg *dst, const struct mdoc_arg *src)
729: {
1.2 kristaps 730: int i;
1.1 kristaps 731:
1.26 kristaps 732: dst->line = src->line;
733: dst->pos = src->pos;
1.1 kristaps 734: dst->arg = src->arg;
735: if (0 == (dst->sz = src->sz))
736: return;
737: dst->value = xcalloc(dst->sz, sizeof(char *));
1.2 kristaps 738: for (i = 0; i < (int)dst->sz; i++)
1.1 kristaps 739: dst->value[i] = xstrdup(src->value[i]);
740: }
741:
742:
743: static struct mdoc_arg *
744: argdup(size_t argsz, const struct mdoc_arg *args)
745: {
746: struct mdoc_arg *pp;
1.2 kristaps 747: int i;
1.1 kristaps 748:
749: if (0 == argsz)
750: return(NULL);
751:
752: pp = xcalloc((size_t)argsz, sizeof(struct mdoc_arg));
1.2 kristaps 753: for (i = 0; i < (int)argsz; i++)
1.1 kristaps 754: argcpy(&pp[i], &args[i]);
755:
756: return(pp);
757: }
758:
1.35 kristaps 759:
1.36 kristaps 760: /* FIXME: deprecate. */
1.35 kristaps 761: char *
762: mdoc_node2a(struct mdoc_node *node)
763: {
764: static char buf[64];
765:
766: assert(node);
767:
768: buf[0] = 0;
769: (void)xstrlcat(buf, mdoc_type2a(node->type), 64);
770: if (MDOC_ROOT == node->type)
771: return(buf);
772: (void)xstrlcat(buf, " `", 64);
773: if (MDOC_TEXT == node->type)
774: (void)xstrlcat(buf, node->data.text.string, 64);
775: else
776: (void)xstrlcat(buf, mdoc_macronames[node->tok], 64);
1.36 kristaps 777: (void)xstrlcat(buf, "'", 64);
1.35 kristaps 778:
779: return(buf);
780: }
781:
782:
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