-/* $Id: man_validate.c,v 1.13 2009/06/22 10:40:04 kristaps Exp $ */
+/* $Id: man_validate.c,v 1.24 2009/08/22 09:10:38 kristaps Exp $ */
/*
* Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@kth.se>
*
#include <assert.h>
#include <ctype.h>
+#include <errno.h>
+#include <limits.h>
#include <stdarg.h>
#include <stdlib.h>
#include "libman.h"
+#include "libmandoc.h"
-#define POSTARGS struct man *m, const struct man_node *n
+#define CHKARGS struct man *m, const 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 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_text(POSTARGS);
+static int check_bline(CHKARGS);
+static int check_eq0(CHKARGS);
+static int check_eq1(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_sp(CHKARGS);
+static int check_text(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_ge2_le5[] = { check_ge2, check_le5, 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_sp[] = { check_sp, 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 */
+ { pres_bline, posts_eq0 }, /* br */
+ { pres_bline, posts_ge2_le5 }, /* 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 */
+ { pres_bline, posts_eq0 }, /* na */
+ { NULL, NULL }, /* i */
+ { pres_bline, posts_sp }, /* sp */
+ { 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 */
};
+int
+man_valid_pre(struct man *m, const 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);
case (MAN_TEXT):
return(check_text(m, m->last));
case (MAN_ROOT):
- /* FIXME: validate that TH has been invoked! */
- return(1);
+ return(check_root(m, m->last));
default:
break;
}
static int
-check_text(POSTARGS)
+check_root(CHKARGS)
+{
+
+ if (MAN_BLINE & m->flags)
+ return(man_nwarn(m, n, WEXITSCOPE));
+ if (MAN_ELINE & m->flags)
+ return(man_nwarn(m, n, WEXITSCOPE));
+
+ m->flags &= ~MAN_BLINE;
+ m->flags &= ~MAN_ELINE;
+
+ if (NULL == m->first->child)
+ return(man_nerr(m, n, WNODATA));
+ if (NULL == m->meta.title)
+ return(man_nerr(m, n, WNOTITLE));
+
+ return(1);
+}
+
+
+static int
+check_text(CHKARGS)
{
const char *p;
- int pos;
+ int pos, c;
assert(n->string);
for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {
- if ('\t' == *p || isprint((u_char)*p))
+ if ('\\' == *p) {
+ c = mandoc_special(p);
+ if (c) {
+ p += c - 1;
+ pos += c - 1;
+ continue;
+ }
+ if ( ! (MAN_IGN_ESCAPE & m->pflags))
+ return(man_perr(m, n->line, pos, WESCAPE));
+ if ( ! man_pwarn(m, n->line, pos, WESCAPE))
+ return(0);
+ continue;
+ }
+
+ if ('\t' == *p || isprint((u_char)*p))
continue;
if (MAN_IGN_CHARS & m->pflags)
#define INEQ_DEFINE(x, ineq, name) \
static int \
-check_##name(POSTARGS) \
+check_##name(CHKARGS) \
{ \
if (n->nchild ineq (x)) \
return(1); \
}
INEQ_DEFINE(0, ==, eq0)
-INEQ_DEFINE(1, >=, ge1)
+INEQ_DEFINE(1, ==, eq1)
INEQ_DEFINE(2, >=, ge2)
-INEQ_DEFINE(1, <=, le1)
-INEQ_DEFINE(2, <=, le2)
INEQ_DEFINE(5, <=, le5)
+
+static int
+check_sp(CHKARGS)
+{
+ long lval;
+ char *ep, *buf;
+
+ if (NULL == n->child)
+ return(1);
+ else if ( ! check_eq1(m, n))
+ return(0);
+
+ assert(MAN_TEXT == n->child->type);
+ buf = n->child->string;
+ assert(buf);
+
+ /* From OpenBSD's strtol(3). */
+
+ errno = 0;
+ lval = strtol(buf, &ep, 10);
+ if (buf[0] == '\0' || *ep != '\0')
+ return(man_nerr(m, n->child, WNUMFMT));
+
+ if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||
+ (lval > INT_MAX || lval < 0))
+ return(man_nerr(m, n->child, WNUMFMT));
+
+ return(1);
+}
+
+
+static int
+check_sec(CHKARGS)
+{
+
+ if (MAN_BODY == n->type && 0 == n->nchild)
+ return(man_nwarn(m, n, WBODYARGS));
+ if (MAN_HEAD == n->type && 0 == n->nchild)
+ return(man_nerr(m, n, WHEADARGS));
+ return(1);
+}
+
+
+static int
+check_part(CHKARGS)
+{
+
+ if (MAN_BODY == n->type && 0 == n->nchild)
+ return(man_nwarn(m, n, WBODYARGS));
+ 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_nwarn(m, n, WBODYARGS));
+ }
+ 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_nwarn(m, n, WNHEADARGS));
+ default:
+ if (n->nchild)
+ break;
+ return(man_nwarn(m, n, WHEADARGS));
+ }
+
+ return(1);
+}
+
+
+static int
+check_bline(CHKARGS)
+{
+
+ assert( ! (MAN_ELINE & m->flags));
+ if (MAN_BLINE & m->flags)
+ return(man_nerr(m, n, WLNSCOPE));
+ return(1);
+}
+