-/* $Id: man_validate.c,v 1.2 2009/03/25 21:46:24 kristaps Exp $ */
+/* $Id: man_validate.c,v 1.70 2011/07/08 09:34:06 kristaps Exp $ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010 Ingo Schwarze <schwarze@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
*
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * 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 <time.h>
+#include "man.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(POSTARGS);
-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_ft(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 void check_text(CHKARGS);
+
+static int post_AT(CHKARGS);
+static int post_vs(CHKARGS);
+static int post_fi(CHKARGS);
+static int post_nf(CHKARGS);
+static int post_TH(CHKARGS);
+static int post_UC(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_at[] = { post_AT, NULL };
+static v_check posts_br[] = { post_vs, check_eq0, NULL };
+static v_check posts_eq0[] = { check_eq0, NULL };
+static v_check posts_fi[] = { check_eq0, post_fi, NULL };
+static v_check posts_ft[] = { check_ft, NULL };
+static v_check posts_nf[] = { check_eq0, post_nf, 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[] = { post_vs, check_le1, NULL };
+static v_check posts_th[] = { check_ge2, check_le5, post_TH, NULL };
+static v_check posts_uc[] = { post_UC, NULL };
+static v_check pres_bline[] = { check_bline, NULL };
static const struct man_valid man_valids[MAN_MAX] = {
- { NULL }, /* __ */
- { posts_ge2_le5 }, /* TH */
- { posts_ge1 }, /* SH */
- { posts_ge1 }, /* SS */
- { posts_le1 }, /* 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, posts_br }, /* br */
+ { pres_bline, posts_th }, /* TH */
+ { pres_bline, posts_sec }, /* SH */
+ { pres_bline, posts_sec }, /* SS */
+ { pres_bline, NULL }, /* TP */
+ { pres_bline, posts_par }, /* LP */
+ { pres_bline, posts_par }, /* PP */
+ { pres_bline, posts_par }, /* P */
+ { pres_bline, NULL }, /* IP */
+ { pres_bline, NULL }, /* 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, posts_sp }, /* sp */ /* FIXME: should warn only. */
+ { pres_bline, posts_nf }, /* nf */
+ { pres_bline, posts_fi }, /* fi */
+ { NULL, NULL }, /* RE */
+ { NULL, posts_part }, /* RS */
+ { NULL, NULL }, /* DT */
+ { NULL, posts_uc }, /* UC */
+ { NULL, NULL }, /* PD */
+ { NULL, posts_at }, /* AT */
+ { NULL, NULL }, /* in */
+ { NULL, posts_ft }, /* ft */
};
+int
+man_valid_pre(struct man *m, struct man_node *n)
+{
+ v_check *cp;
+
+ switch (n->type) {
+ case (MAN_TEXT):
+ /* FALLTHROUGH */
+ case (MAN_ROOT):
+ /* FALLTHROUGH */
+ case (MAN_EQN):
+ /* FALLTHROUGH */
+ case (MAN_TBL):
+ return(1);
+ default:
+ break;
+ }
+
+ 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 */
+ check_text(m, m->last);
+ return(1);
case (MAN_ROOT):
+ return(check_root(m, m->last));
+ case (MAN_EQN):
+ /* FALLTHROUGH */
+ case (MAN_TBL):
return(1);
default:
break;
}
-static inline int
-count(POSTARGS)
-{
- int i;
+static int
+check_root(CHKARGS)
+{
+
+ if (MAN_BLINE & m->flags)
+ man_nmsg(m, n, MANDOCERR_SCOPEEXIT);
+ else if (MAN_ELINE & m->flags)
+ man_nmsg(m, n, MANDOCERR_SCOPEEXIT);
+
+ 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) {
+ man_nmsg(m, n, MANDOCERR_NOTITLE);
+
+ /*
+ * If a title hasn't been set, do so now (by
+ * implication, date and section also aren't set).
+ */
- for (i = 0; n; n = n->next, i++)
- /* Loop. */ ;
- return(i);
+ m->meta.title = mandoc_strdup("unknown");
+ m->meta.msec = mandoc_strdup("1");
+ m->meta.date = mandoc_normdate
+ (m->parse, NULL, n->line, n->pos);
+ }
+
+ return(1);
}
+static void
+check_text(CHKARGS)
+{
+ char *p, *pp, *cpp;
+ int pos;
+ size_t sz;
+
+ p = n->string;
+ pos = n->pos + 1;
+
+ while ('\0' != *p) {
+ sz = strcspn(p, "\t\\");
+
+ p += (int)sz;
+ pos += (int)sz;
+
+ if ('\t' == *p) {
+ if ( ! (MAN_LITERAL & m->flags))
+ man_pmsg(m, n->line, pos, MANDOCERR_BADTAB);
+ p++;
+ pos++;
+ continue;
+ } else if ('\0' == *p)
+ break;
+
+ pos++;
+ pp = ++p;
+
+ if (ESCAPE_ERROR == mandoc_escape
+ ((const char **)&pp, NULL, NULL)) {
+ man_pmsg(m, n->line, pos, MANDOCERR_BADESCAPE);
+ break;
+ }
+
+ cpp = p;
+ while (NULL != (cpp = memchr(cpp, ASCII_HYPH, pp - cpp)))
+ *cpp = '-';
+
+ pos += pp - p;
+ p = pp;
+ }
+}
#define INEQ_DEFINE(x, ineq, name) \
static int \
-check_##name(POSTARGS) \
+check_##name(CHKARGS) \
{ \
- int c; \
- if ((c = count(m, n->child)) ineq (x)) \
+ if (n->nchild ineq (x)) \
return(1); \
- return(man_vwarn(m, n->line, n->pos, \
- "expected line arguments %s %d, have %d", \
- #ineq, (x), c)); \
+ mandoc_vmsg(MANDOCERR_ARGCOUNT, m->parse, n->line, n->pos, \
+ "line arguments %s %d (have %d)", \
+ #ineq, (x), n->nchild); \
+ return(1); \
}
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_ft(CHKARGS)
+{
+ char *cp;
+ int ok;
+
+ if (0 == n->nchild)
+ return(1);
+
+ ok = 0;
+ cp = n->child->string;
+ switch (*cp) {
+ case ('1'):
+ /* FALLTHROUGH */
+ case ('2'):
+ /* FALLTHROUGH */
+ case ('3'):
+ /* FALLTHROUGH */
+ case ('4'):
+ /* FALLTHROUGH */
+ case ('I'):
+ /* FALLTHROUGH */
+ case ('P'):
+ /* FALLTHROUGH */
+ case ('R'):
+ if ('\0' == cp[1])
+ ok = 1;
+ break;
+ case ('B'):
+ if ('\0' == cp[1] || ('I' == cp[1] && '\0' == cp[2]))
+ ok = 1;
+ break;
+ case ('C'):
+ if ('W' == cp[1] && '\0' == cp[2])
+ ok = 1;
+ break;
+ default:
+ break;
+ }
+
+ if (0 == ok) {
+ mandoc_vmsg
+ (MANDOCERR_BADFONT, m->parse,
+ n->line, n->pos, "%s", cp);
+ *cp = '\0';
+ }
+
+ if (1 < n->nchild)
+ mandoc_vmsg
+ (MANDOCERR_ARGCOUNT, m->parse, n->line,
+ n->pos, "want one child (have %d)",
+ n->nchild);
+
+ return(1);
+}
+
+static int
+check_sec(CHKARGS)
+{
+
+ if ( ! (MAN_HEAD == n->type && 0 == n->nchild))
+ return(1);
+
+ man_nmsg(m, n, MANDOCERR_SYNTARGCOUNT);
+ return(0);
+}
+
+
+static int
+check_part(CHKARGS)
+{
+
+ if (MAN_BODY == n->type && 0 == n->nchild)
+ mandoc_msg(MANDOCERR_ARGCWARN, m->parse, n->line,
+ n->pos, "want children (have none)");
+
+ return(1);
+}
+
+
+static int
+check_par(CHKARGS)
+{
+
+ switch (n->type) {
+ case (MAN_BLOCK):
+ if (0 == n->body->nchild)
+ man_node_delete(m, n);
+ break;
+ case (MAN_BODY):
+ if (0 == n->nchild)
+ man_nmsg(m, n, MANDOCERR_IGNPAR);
+ break;
+ case (MAN_HEAD):
+ if (n->nchild)
+ man_nmsg(m, n, MANDOCERR_ARGSLOST);
+ break;
+ default:
+ break;
+ }
+
+ 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);
+}
+
+static int
+post_TH(CHKARGS)
+{
+ const char *p;
+ int line, pos;
+
+ if (m->meta.title)
+ free(m->meta.title);
+ if (m->meta.vol)
+ free(m->meta.vol);
+ if (m->meta.source)
+ free(m->meta.source);
+ if (m->meta.msec)
+ free(m->meta.msec);
+ if (m->meta.date)
+ free(m->meta.date);
+
+ line = n->line;
+ pos = n->pos;
+ m->meta.title = m->meta.vol = m->meta.date =
+ m->meta.msec = m->meta.source = NULL;
+
+ /* ->TITLE<- MSEC DATE SOURCE VOL */
+
+ n = n->child;
+ if (n && n->string) {
+ for (p = n->string; '\0' != *p; p++) {
+ /* Only warn about this once... */
+ if (isalpha((u_char)*p) && ! isupper((u_char)*p)) {
+ man_nmsg(m, n, MANDOCERR_UPPERCASE);
+ break;
+ }
+ }
+ m->meta.title = mandoc_strdup(n->string);
+ } else
+ m->meta.title = mandoc_strdup("");
+
+ /* TITLE ->MSEC<- DATE SOURCE VOL */
+
+ if (n)
+ n = n->next;
+ if (n && n->string)
+ m->meta.msec = mandoc_strdup(n->string);
+ else
+ m->meta.msec = mandoc_strdup("");
+
+ /* TITLE MSEC ->DATE<- SOURCE VOL */
+
+ if (n)
+ n = n->next;
+ if (n)
+ pos = n->pos;
+ m->meta.date = mandoc_normdate
+ (m->parse, n ? n->string : NULL, line, pos);
+
+ /* TITLE MSEC DATE ->SOURCE<- VOL */
+
+ if (n && (n = n->next))
+ m->meta.source = mandoc_strdup(n->string);
+
+ /* TITLE MSEC DATE SOURCE ->VOL<- */
+
+ if (n && (n = n->next))
+ m->meta.vol = mandoc_strdup(n->string);
+
+ /*
+ * Remove the `TH' node after we've processed it for our
+ * meta-data.
+ */
+ man_node_delete(m, m->last);
+ return(1);
+}
+
+static int
+post_nf(CHKARGS)
+{
+
+ if (MAN_LITERAL & m->flags)
+ man_nmsg(m, n, MANDOCERR_SCOPEREP);
+
+ m->flags |= MAN_LITERAL;
+ return(1);
+}
+
+static int
+post_fi(CHKARGS)
+{
+
+ if ( ! (MAN_LITERAL & m->flags))
+ man_nmsg(m, n, MANDOCERR_WNOSCOPE);
+
+ m->flags &= ~MAN_LITERAL;
+ return(1);
+}
+
+static int
+post_UC(CHKARGS)
+{
+ static const char * const bsd_versions[] = {
+ "3rd Berkeley Distribution",
+ "4th Berkeley Distribution",
+ "4.2 Berkeley Distribution",
+ "4.3 Berkeley Distribution",
+ "4.4 Berkeley Distribution",
+ };
+
+ const char *p, *s;
+
+ n = n->child;
+ n = m->last->child;
+
+ if (NULL == n || MAN_TEXT != n->type)
+ p = bsd_versions[0];
+ else {
+ s = n->string;
+ if (0 == strcmp(s, "3"))
+ p = bsd_versions[0];
+ else if (0 == strcmp(s, "4"))
+ p = bsd_versions[1];
+ else if (0 == strcmp(s, "5"))
+ p = bsd_versions[2];
+ else if (0 == strcmp(s, "6"))
+ p = bsd_versions[3];
+ else if (0 == strcmp(s, "7"))
+ p = bsd_versions[4];
+ else
+ p = bsd_versions[0];
+ }
+
+ if (m->meta.source)
+ free(m->meta.source);
+
+ m->meta.source = mandoc_strdup(p);
+ return(1);
+}
+
+static int
+post_AT(CHKARGS)
+{
+ static const char * const unix_versions[] = {
+ "7th Edition",
+ "System III",
+ "System V",
+ "System V Release 2",
+ };
+
+ const char *p, *s;
+ struct man_node *nn;
+
+ n = n->child;
+
+ if (NULL == n || MAN_TEXT != n->type)
+ p = unix_versions[0];
+ else {
+ s = n->string;
+ if (0 == strcmp(s, "3"))
+ p = unix_versions[0];
+ else if (0 == strcmp(s, "4"))
+ p = unix_versions[1];
+ else if (0 == strcmp(s, "5")) {
+ nn = n->next;
+ if (nn && MAN_TEXT == nn->type && nn->string[0])
+ p = unix_versions[3];
+ else
+ p = unix_versions[2];
+ } else
+ p = unix_versions[0];
+ }
+
+ if (m->meta.source)
+ free(m->meta.source);
+
+ m->meta.source = mandoc_strdup(p);
+ return(1);
+}
+
+static int
+post_vs(CHKARGS)
+{
+
+ /*
+ * Don't warn about this because it occurs in pod2man and would
+ * cause considerable (unfixable) warnage.
+ */
+ if (NULL == n->prev && MAN_ROOT == n->parent->type)
+ man_node_delete(m, n);
+
+ return(1);
+}