Annotation of mandoc/validate.c, Revision 1.10
1.10 ! kristaps 1: /* $Id: validate.c,v 1.9 2008/12/30 18:15:26 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>
1.8 kristaps 20: #include <stdlib.h>
1.1 kristaps 21:
22: #include "private.h"
23:
1.2 kristaps 24:
1.9 kristaps 25: typedef int (*v_sz)(struct mdoc *, int, int, int);
26: typedef int (*v_extra)(struct mdoc *, int, int, int,
27: const char *[], int, const struct mdoc_arg *);
1.1 kristaps 28:
1.9 kristaps 29: static int assert_eq0(struct mdoc *, int, int, int);
30: static int assert_le1(struct mdoc *, int, int, int);
31: static int need_eq0(struct mdoc *, int, int, int);
32: static int need_eq1(struct mdoc *, int, int, int);
33: static int need_ge1(struct mdoc *, int, int, int);
34: static int need_le2(struct mdoc *, int, int, int);
35: static int want_eq0(struct mdoc *, int, int, int);
36: static int want_ge1(struct mdoc *, int, int, int);
37: static int v_Sh(struct mdoc *, int, int, int,
38: const char *[], int, const struct mdoc_arg *);
39: static int v_Bd(struct mdoc *, int, int, int,
40: const char *[], int, const struct mdoc_arg *);
41: static int v_At(struct mdoc *, int, int, int,
1.8 kristaps 42: const char *[], int, const struct mdoc_arg *);
1.9 kristaps 43:
44: struct valids {
45: v_sz sz;
46: v_extra extra;
47: };
48:
49:
50: const struct valids mdoc_valids[MDOC_MAX] = {
51: { NULL, NULL }, /* \" */
52: { NULL, NULL }, /* Dd */
53: { NULL, NULL }, /* Dt */
54: { NULL, NULL }, /* Os */
55: { need_ge1, v_Sh }, /* Sh */
56: { need_ge1, NULL }, /* Ss */
57: { want_eq0, NULL }, /* Pp */
58: { NULL, NULL }, /* D1 */
59: { NULL, NULL }, /* Dl */
60: { NULL, v_Bd }, /* Bd */
61: { NULL, NULL }, /* Ed */
62: { NULL, NULL }, /* Bl */
63: { NULL, NULL }, /* El */
64: { NULL, NULL }, /* It */
65: { need_ge1, NULL }, /* Ad */
66: { NULL, NULL }, /* An */
67: { NULL, NULL }, /* Ar */
1.10 ! kristaps 68: { need_ge1, NULL }, /* Cd */
1.9 kristaps 69: { NULL, NULL }, /* Cm */
70: { need_ge1, NULL }, /* Dv */
71: { need_ge1, NULL }, /* Er */
72: { need_ge1, NULL }, /* Ev */
73: { NULL, NULL }, /* Ex */
74: { need_ge1, NULL }, /* Fa */
75: { NULL, NULL }, /* Fd */
76: { NULL, NULL }, /* Fl */
1.10 ! kristaps 77: { need_ge1, NULL }, /* Fn */
1.9 kristaps 78: { want_ge1, NULL }, /* Ft */
79: { need_ge1, NULL }, /* Ic */
80: { NULL, NULL }, /* In */
81: { want_ge1, NULL }, /* Li */
82: { want_ge1, NULL }, /* Nd */
83: { NULL, NULL }, /* Nm */
84: { NULL, NULL }, /* Op */
85: { NULL, NULL }, /* Ot */
86: { want_ge1, NULL }, /* Pa */
87: { NULL, NULL }, /* Rv */
88: { NULL, NULL }, /* St */
89: { need_ge1, NULL }, /* Va */
90: { need_ge1, NULL }, /* Vt */
91: { NULL, NULL }, /* Xr */
92: { NULL, NULL }, /* %A */
93: { NULL, NULL }, /* %B */
94: { NULL, NULL }, /* %D */
95: { NULL, NULL }, /* %I */
96: { NULL, NULL }, /* %J */
97: { NULL, NULL }, /* %N */
98: { NULL, NULL }, /* %O */
99: { NULL, NULL }, /* %P */
100: { NULL, NULL }, /* %R */
101: { NULL, NULL }, /* %T */
102: { NULL, NULL }, /* %V */
103: { NULL, NULL }, /* Ac */
104: { NULL, NULL }, /* Ao */
105: { NULL, NULL }, /* Aq */
106: { need_le2, v_At }, /* At */
107: { NULL, NULL }, /* Bc */
108: { NULL, NULL }, /* Bf */
109: { NULL, NULL }, /* Bo */
110: { NULL, NULL }, /* Bq */
111: { assert_le1, NULL }, /* Bsx */
112: { assert_le1, NULL }, /* Bx */
113: { NULL, NULL }, /* Db */
114: { NULL, NULL }, /* Dc */
115: { NULL, NULL }, /* Do */
116: { NULL, NULL }, /* Dq */
117: { NULL, NULL }, /* Ec */
118: { NULL, NULL }, /* Ef */
119: { need_ge1, NULL }, /* Em */
120: { NULL, NULL }, /* Eo */
121: { assert_le1, NULL }, /* Fx */
122: { want_ge1, NULL }, /* Ms */
123: { NULL, NULL }, /* No */
124: { NULL, NULL }, /* Ns */
125: { assert_le1, NULL }, /* Nx */
126: { assert_le1, NULL }, /* Ox */
127: { NULL, NULL }, /* Pc */
128: { NULL, NULL }, /* Pf */
129: { NULL, NULL }, /* Po */
130: { NULL, NULL }, /* Pq */
131: { NULL, NULL }, /* Qc */
132: { NULL, NULL }, /* Ql */
133: { NULL, NULL }, /* Qo */
134: { NULL, NULL }, /* Qq */
135: { NULL, NULL }, /* Re */
136: { NULL, NULL }, /* Rs */
137: { NULL, NULL }, /* Sc */
138: { NULL, NULL }, /* So */
139: { NULL, NULL }, /* Sq */
140: { NULL, NULL }, /* Sm */
141: { need_ge1, NULL }, /* Sx */
142: { need_ge1, NULL }, /* Sy */
143: { want_ge1, NULL }, /* Tn */
144: { assert_eq0, NULL }, /* Ux */
145: { NULL, NULL }, /* Xc */
146: { NULL, NULL }, /* Xo */
147: { NULL, NULL }, /* Fo */
148: { NULL, NULL }, /* Fc */
149: { NULL, NULL }, /* Oo */
150: { NULL, NULL }, /* Oc */
151: { NULL, NULL }, /* Bk */
152: { NULL, NULL }, /* Ek */
153: { need_eq0, NULL }, /* Bt */
154: { need_eq1, NULL }, /* Hf */
155: { NULL, NULL }, /* Fr */
156: { need_eq0, NULL }, /* Ud */
157: };
1.6 kristaps 158:
159:
160: static int
1.9 kristaps 161: need_le2(struct mdoc *mdoc, int tok, int pos, int sz)
1.6 kristaps 162: {
1.9 kristaps 163: if (sz > 2)
1.8 kristaps 164: return(1);
1.9 kristaps 165: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_LE2));
1.6 kristaps 166: }
167:
168:
169: static int
1.9 kristaps 170: want_ge1(struct mdoc *mdoc, int tok, int pos, int sz)
1.6 kristaps 171: {
1.9 kristaps 172: if (sz > 0)
1.8 kristaps 173: return(1);
1.9 kristaps 174: return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_GE1));
1.6 kristaps 175: }
1.1 kristaps 176:
177:
178: static int
1.9 kristaps 179: want_eq0(struct mdoc *mdoc, int tok, int pos, int sz)
1.1 kristaps 180: {
1.9 kristaps 181: if (sz == 0)
182: return(1);
183: return(mdoc_warn(mdoc, tok, pos, WARN_ARGS_EQ0));
1.1 kristaps 184: }
185:
186:
187: static int
1.9 kristaps 188: need_eq0(struct mdoc *mdoc, int tok, int pos, int sz)
1.1 kristaps 189: {
1.9 kristaps 190: if (sz == 0)
191: return(1);
192: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ0));
1.1 kristaps 193: }
194:
195:
196: static int
1.9 kristaps 197: assert_le1(struct mdoc *mdoc, int tok, int pos, int sz)
1.1 kristaps 198: {
1.8 kristaps 199:
1.9 kristaps 200: assert(sz <= 1);
1.8 kristaps 201: return(1);
202: }
1.1 kristaps 203:
204:
1.8 kristaps 205: static int
1.9 kristaps 206: assert_eq0(struct mdoc *mdoc, int tok, int pos, int sz)
1.8 kristaps 207: {
1.1 kristaps 208:
1.9 kristaps 209: assert(sz == 0);
1.1 kristaps 210: return(1);
211: }
212:
213:
1.8 kristaps 214: static int
1.9 kristaps 215: need_eq1(struct mdoc *mdoc, int tok, int pos, int sz)
1.1 kristaps 216: {
1.9 kristaps 217: if (sz == 1)
218: return(1);
219: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_EQ1));
1.1 kristaps 220: }
221:
222:
1.9 kristaps 223: static int
224: need_ge1(struct mdoc *mdoc, int tok, int pos, int sz)
1.1 kristaps 225: {
1.9 kristaps 226: if (sz > 0)
227: return(1);
228: return(mdoc_err(mdoc, tok, pos, ERR_ARGS_GE1));
1.1 kristaps 229: }
230:
231:
1.9 kristaps 232: static int
233: v_Sh(struct mdoc *mdoc, int tok, int pos,
234: int sz, const char *args[],
235: int argc, const struct mdoc_arg *argv)
1.1 kristaps 236: {
1.9 kristaps 237: enum mdoc_sec sec;
1.2 kristaps 238:
1.9 kristaps 239: sec = mdoc_atosec((size_t)sz, args);
240: if (SEC_CUSTOM != sec && sec < mdoc->sec_lastn)
241: if ( ! mdoc_warn(mdoc, tok, pos, WARN_SEC_OO))
1.8 kristaps 242: return(0);
1.9 kristaps 243: if (SEC_BODY == mdoc->sec_last && SEC_NAME != sec)
244: return(mdoc_err(mdoc, tok, pos, ERR_SEC_NAME));
1.2 kristaps 245:
1.9 kristaps 246: return(1);
1.1 kristaps 247: }
248:
249:
1.9 kristaps 250: static int
251: v_At(struct mdoc *mdoc, int tok, int pos,
252: int sz, const char *args[],
253: int argc, const struct mdoc_arg *argv)
1.1 kristaps 254: {
1.9 kristaps 255: int i;
1.1 kristaps 256:
1.9 kristaps 257: if (0 == sz)
1.8 kristaps 258: return(1);
1.6 kristaps 259:
1.9 kristaps 260: i = 0;
261: if (ATT_DEFAULT == mdoc_atoatt(args[i]))
262: i++;
1.1 kristaps 263:
1.9 kristaps 264: for ( ; i < sz; i++) {
265: if ( ! mdoc_isdelim(args[i]))
266: continue;
267: return(mdoc_err(mdoc, tok, pos, ERR_SYNTAX_NOPUNCT));
1.8 kristaps 268: }
1.9 kristaps 269: return(1);
1.1 kristaps 270: }
271:
272:
1.9 kristaps 273: static int
274: v_Bd(struct mdoc *mdoc, int tok, int pos,
275: int sz, const char *args[],
276: int argc, const struct mdoc_arg *argv)
1.1 kristaps 277: {
1.9 kristaps 278: struct mdoc_node *node;
1.8 kristaps 279:
280: /*
1.9 kristaps 281: * We can't be nested within any other block displays (or really
282: * any other kind of display, although Bd is the only multi-line
283: * one that will show up).
1.8 kristaps 284: */
1.9 kristaps 285: assert(mdoc->last);
1.8 kristaps 286:
1.9 kristaps 287: /* LINTED */
288: for (node = mdoc->last->parent ; node; node = node->parent) {
289: if (node->type != MDOC_BLOCK)
290: continue;
291: if (node->data.block.tok != MDOC_Bd)
1.8 kristaps 292: continue;
293: break;
294: }
1.9 kristaps 295: if (NULL == node)
296: return(1);
297: return(mdoc_err(mdoc, tok, pos, ERR_SCOPE_NONEST));
1.8 kristaps 298: }
299:
300:
301: int
1.9 kristaps 302: mdoc_valid(struct mdoc *mdoc, int tok, int pos,
303: int sz, const char *args[],
304: int argc, const struct mdoc_arg *argv)
1.8 kristaps 305: {
306:
1.9 kristaps 307: assert(tok < MDOC_MAX);
308: if (mdoc_valids[tok].sz)
309: if ( ! (*mdoc_valids[tok].sz)(mdoc, tok, pos, sz))
1.5 kristaps 310: return(0);
1.8 kristaps 311:
1.9 kristaps 312: if (NULL == mdoc_valids[tok].extra)
313: return(1);
314: return(*mdoc_valids[tok].extra)(mdoc,
315: tok, pos, sz, args, argc, argv);
1.1 kristaps 316: }
317:
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