-/* $Id: man_validate.c,v 1.10 2009/06/16 19:55:28 kristaps Exp $ */
+/* $Id: man_validate.c,v 1.48 2010/07/31 23:52:58 schwarze Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
+ * Copyright (c) 2008, 2009, 2010 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
#include <sys/types.h>
#include <assert.h>
#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
+#include <string.h>
+#include "mandoc.h"
#include "libman.h"
+#include "libmandoc.h"
-/* FIXME: validate text. */
-
-#define POSTARGS struct man *m, const struct man_node *n
+#define CHKARGS struct man *m, struct man_node *n
-typedef int (*v_post)(POSTARGS);
+typedef int (*v_check)(CHKARGS);
struct man_valid {
- v_post *posts;
+ v_check *pres;
+ v_check *posts;
};
-static int count(const struct man_node *);
-static int check_eq0(POSTARGS);
-static int check_ge1(POSTARGS);
-static int check_ge2(POSTARGS);
-static int check_le1(POSTARGS);
-static int check_le2(POSTARGS);
-static int check_le5(POSTARGS);
+static int check_bline(CHKARGS);
+static int check_eq0(CHKARGS);
+static int check_le1(CHKARGS);
+static int check_ge2(CHKARGS);
+static int check_le5(CHKARGS);
+static int check_par(CHKARGS);
+static int check_part(CHKARGS);
+static int check_root(CHKARGS);
+static int check_sec(CHKARGS);
+static int check_text(CHKARGS);
+static int check_title(CHKARGS);
-static v_post posts_le1[] = { check_le1, NULL };
-static v_post posts_le2[] = { check_le2, NULL };
-static v_post posts_ge1[] = { check_ge1, NULL };
-static v_post posts_eq0[] = { check_eq0, NULL };
-static v_post posts_ge2_le5[] = { check_ge2, check_le5, NULL };
+static v_check posts_eq0[] = { check_eq0, NULL };
+static v_check posts_th[] = { check_ge2, check_le5, check_title, NULL };
+static v_check posts_par[] = { check_par, NULL };
+static v_check posts_part[] = { check_part, NULL };
+static v_check posts_sec[] = { check_sec, NULL };
+static v_check posts_le1[] = { check_le1, NULL };
+static v_check pres_bline[] = { check_bline, NULL };
static const struct man_valid man_valids[MAN_MAX] = {
- { posts_eq0 }, /* br */
- { posts_ge2_le5 }, /* TH */
- { posts_ge1 }, /* SH */
- { posts_ge1 }, /* SS */
- { NULL }, /* TP */
- { posts_eq0 }, /* LP */
- { posts_eq0 }, /* PP */
- { posts_eq0 }, /* P */
- { posts_le2 }, /* IP */
- { posts_le1 }, /* HP */
- { NULL }, /* SM */
- { NULL }, /* SB */
- { NULL }, /* BI */
- { NULL }, /* IB */
- { NULL }, /* BR */
- { NULL }, /* RB */
- { NULL }, /* R */
- { NULL }, /* B */
- { NULL }, /* I */
- { NULL }, /* IR */
- { NULL }, /* RI */
- { posts_eq0 }, /* na */
- { NULL }, /* i */
+ { NULL, posts_eq0 }, /* br */
+ { pres_bline, posts_th }, /* TH */
+ { pres_bline, posts_sec }, /* SH */
+ { pres_bline, posts_sec }, /* SS */
+ { pres_bline, posts_par }, /* TP */
+ { pres_bline, posts_par }, /* LP */
+ { pres_bline, posts_par }, /* PP */
+ { pres_bline, posts_par }, /* P */
+ { pres_bline, posts_par }, /* IP */
+ { pres_bline, posts_par }, /* HP */
+ { NULL, NULL }, /* SM */
+ { NULL, NULL }, /* SB */
+ { NULL, NULL }, /* BI */
+ { NULL, NULL }, /* IB */
+ { NULL, NULL }, /* BR */
+ { NULL, NULL }, /* RB */
+ { NULL, NULL }, /* R */
+ { NULL, NULL }, /* B */
+ { NULL, NULL }, /* I */
+ { NULL, NULL }, /* IR */
+ { NULL, NULL }, /* RI */
+ { NULL, posts_eq0 }, /* na */ /* FIXME: should warn only. */
+ { NULL, NULL }, /* i */
+ { NULL, posts_le1 }, /* sp */ /* FIXME: should warn only. */
+ { pres_bline, posts_eq0 }, /* nf */
+ { pres_bline, posts_eq0 }, /* fi */
+ { NULL, NULL }, /* r */
+ { NULL, NULL }, /* RE */
+ { NULL, posts_part }, /* RS */
+ { NULL, NULL }, /* DT */
+ { NULL, NULL }, /* UC */
+ { NULL, NULL }, /* PD */
+ { NULL, posts_le1 }, /* Sp */ /* FIXME: should warn only. */
+ { pres_bline, posts_le1 }, /* Vb */ /* FIXME: should warn only. */
+ { pres_bline, posts_eq0 }, /* Ve */
+ { NULL, NULL }, /* AT */
+ { NULL, NULL }, /* in */
};
+int
+man_valid_pre(struct man *m, struct man_node *n)
+{
+ v_check *cp;
+
+ if (MAN_TEXT == n->type)
+ return(1);
+ if (MAN_ROOT == n->type)
+ return(1);
+
+ if (NULL == (cp = man_valids[n->tok].pres))
+ return(1);
+ for ( ; *cp; cp++)
+ if ( ! (*cp)(m, n))
+ return(0);
+ return(1);
+}
+
+
int
man_valid_post(struct man *m)
{
- v_post *cp;
+ v_check *cp;
if (MAN_VALID & m->last->flags)
return(1);
switch (m->last->type) {
case (MAN_TEXT):
- /* FALLTHROUGH */
+ return(check_text(m, m->last));
case (MAN_ROOT):
- return(1);
+ return(check_root(m, m->last));
default:
break;
}
}
-static inline int
-count(const struct man_node *n)
-{
- int i;
+static int
+check_root(CHKARGS)
+{
+
+ if (MAN_BLINE & m->flags)
+ return(man_nmsg(m, n, MANDOCERR_SCOPEEXIT));
+ if (MAN_ELINE & m->flags)
+ return(man_nmsg(m, n, MANDOCERR_SCOPEEXIT));
- for (i = 0; n; n = n->next, i++)
- /* Loop. */ ;
- return(i);
+ m->flags &= ~MAN_BLINE;
+ m->flags &= ~MAN_ELINE;
+
+ if (NULL == m->first->child) {
+ man_nmsg(m, n, MANDOCERR_NODOCBODY);
+ return(0);
+ } else if (NULL == m->meta.title) {
+ if ( ! man_nmsg(m, n, MANDOCERR_NOTITLE))
+ return(0);
+ /*
+ * If a title hasn't been set, do so now (by
+ * implication, date and section also aren't set).
+ *
+ * FIXME: this should be in man_action.c.
+ */
+ m->meta.title = mandoc_strdup("unknown");
+ m->meta.date = time(NULL);
+ m->meta.msec = mandoc_strdup("1");
+ }
+
+ return(1);
+}
+
+
+static int
+check_title(CHKARGS)
+{
+ const char *p;
+
+ assert(n->child);
+ /* FIXME: is this sufficient? */
+ if ('\0' == *n->child->string) {
+ man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT);
+ return(0);
+ }
+
+ for (p = n->child->string; '\0' != *p; p++)
+ if (isalpha((u_char)*p) && ! isupper((u_char)*p))
+ if ( ! man_nmsg(m, n, MANDOCERR_UPPERCASE))
+ return(0);
+
+ return(1);
+}
+
+
+static int
+check_text(CHKARGS)
+{
+ char *p;
+ int pos, c;
+ size_t sz;
+
+ for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
+ sz = strcspn(p, "\t\\");
+ p += (int)sz;
+
+ if ('\0' == *p)
+ break;
+
+ pos += (int)sz;
+
+ if ('\t' == *p) {
+ if (MAN_LITERAL & m->flags)
+ continue;
+ if (man_pmsg(m, n->line, pos, MANDOCERR_BADTAB))
+ continue;
+ return(0);
+ }
+
+ /* Check the special character. */
+
+ c = mandoc_special(p);
+ if (c) {
+ p += c - 1;
+ pos += c - 1;
+ continue;
+ }
+
+ c = man_pmsg(m, n->line, pos, MANDOCERR_BADESCAPE);
+ if ( ! (MAN_IGN_ESCAPE & m->pflags) && ! c)
+ return(c);
+ }
+
+ return(1);
}
#define INEQ_DEFINE(x, ineq, name) \
static int \
-check_##name(POSTARGS) \
+check_##name(CHKARGS) \
{ \
- int c; \
- if ((c = count(n->child)) ineq (x)) \
+ if (n->nchild ineq (x)) \
return(1); \
- return(man_verr(m, n->line, n->pos, \
- "expected line arguments %s %d, have %d", \
- #ineq, (x), c)); \
+ man_vmsg(m, MANDOCERR_SYNTARGCOUNT, n->line, n->pos, \
+ "line arguments %s %d (have %d)", \
+ #ineq, (x), n->nchild); \
+ return(0); \
}
INEQ_DEFINE(0, ==, eq0)
-INEQ_DEFINE(1, >=, ge1)
-INEQ_DEFINE(2, >=, ge2)
INEQ_DEFINE(1, <=, le1)
-INEQ_DEFINE(2, <=, le2)
+INEQ_DEFINE(2, >=, ge2)
INEQ_DEFINE(5, <=, le5)
+
+static int
+check_sec(CHKARGS)
+{
+
+ if (MAN_HEAD == n->type && 0 == n->nchild) {
+ man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT);
+ return(0);
+ } else if (MAN_BODY == n->type && 0 == n->nchild)
+ return(man_nmsg(m, n, MANDOCERR_NOBODY));
+
+ return(1);
+}
+
+
+static int
+check_part(CHKARGS)
+{
+
+ if (MAN_BODY == n->type && 0 == n->nchild)
+ return(man_nmsg(m, n, MANDOCERR_NOBODY));
+ return(1);
+}
+
+
+static int
+check_par(CHKARGS)
+{
+
+ if (MAN_BODY == n->type)
+ switch (n->tok) {
+ case (MAN_IP):
+ /* FALLTHROUGH */
+ case (MAN_HP):
+ /* FALLTHROUGH */
+ case (MAN_TP):
+ /* Body-less lists are ok. */
+ break;
+ default:
+ if (n->nchild)
+ break;
+ return(man_nmsg(m, n, MANDOCERR_NOBODY));
+ }
+ if (MAN_HEAD == n->type)
+ switch (n->tok) {
+ case (MAN_PP):
+ /* FALLTHROUGH */
+ case (MAN_P):
+ /* FALLTHROUGH */
+ case (MAN_LP):
+ if (0 == n->nchild)
+ break;
+ return(man_nmsg(m, n, MANDOCERR_ARGSLOST));
+ default:
+ if (n->nchild)
+ break;
+ return(man_nmsg(m, n, MANDOCERR_NOARGS));
+ }
+
+ return(1);
+}
+
+
+static int
+check_bline(CHKARGS)
+{
+
+ assert( ! (MAN_ELINE & m->flags));
+ if (MAN_BLINE & m->flags) {
+ man_nmsg(m, n, MANDOCERR_SYNTLINESCOPE);
+ return(0);
+ }
+
+ return(1);
+}
+
git.ckatri.com / mandoc.git / blobdiff