-/* $Id: man_validate.c,v 1.1 2009/03/25 15:17:49 kristaps Exp $ */
+/* $OpenBSD$ */
/*
- * Copyright (c) 2008, 2009 Kristaps Dzonsons <kristaps@openbsd.org>
+ * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
+ * Copyright (c) 2010, 2012-2015 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 AUTHORS DISCLAIM ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS 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.
*/
+#include "config.h"
+
#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 "mandoc_aux.h"
+#include "mandoc.h"
+#include "roff.h"
+#include "man.h"
+#include "libmandoc.h"
+#include "roff_int.h"
#include "libman.h"
-/* FIXME: validate text. */
+#define CHKARGS struct roff_man *man, struct roff_node *n
-#define POSTARGS struct man *m, const struct man_node *n
+typedef void (*v_check)(CHKARGS);
-typedef int (*v_post)(POSTARGS);
+static void check_par(CHKARGS);
+static void check_part(CHKARGS);
+static void check_root(CHKARGS);
+static void check_text(CHKARGS);
-struct man_valid {
- v_post *posts;
-};
+static void post_AT(CHKARGS);
+static void post_IP(CHKARGS);
+static void post_vs(CHKARGS);
+static void post_fi(CHKARGS);
+static void post_ft(CHKARGS);
+static void post_nf(CHKARGS);
+static void post_OP(CHKARGS);
+static void post_TH(CHKARGS);
+static void post_UC(CHKARGS);
+static void post_UR(CHKARGS);
-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 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 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 */
+static v_check man_valids[MAN_MAX] = {
+ post_vs, /* br */
+ post_TH, /* TH */
+ NULL, /* SH */
+ NULL, /* SS */
+ NULL, /* TP */
+ check_par, /* LP */
+ check_par, /* PP */
+ check_par, /* P */
+ post_IP, /* IP */
+ NULL, /* HP */
+ NULL, /* SM */
+ NULL, /* SB */
+ NULL, /* BI */
+ NULL, /* IB */
+ NULL, /* BR */
+ NULL, /* RB */
+ NULL, /* R */
+ NULL, /* B */
+ NULL, /* I */
+ NULL, /* IR */
+ NULL, /* RI */
+ post_vs, /* sp */
+ post_nf, /* nf */
+ post_fi, /* fi */
+ NULL, /* RE */
+ check_part, /* RS */
+ NULL, /* DT */
+ post_UC, /* UC */
+ NULL, /* PD */
+ post_AT, /* AT */
+ NULL, /* in */
+ post_ft, /* ft */
+ post_OP, /* OP */
+ post_nf, /* EX */
+ post_fi, /* EE */
+ post_UR, /* UR */
+ NULL, /* UE */
+ NULL, /* ll */
};
-int
-man_valid_post(struct man *m)
+void
+man_valid_post(struct roff_man *man)
+{
+ struct roff_node *n;
+ v_check *cp;
+
+ n = man->last;
+ if (n->flags & MAN_VALID)
+ return;
+ n->flags |= MAN_VALID;
+
+ switch (n->type) {
+ case ROFFT_TEXT:
+ check_text(man, n);
+ break;
+ case ROFFT_ROOT:
+ check_root(man, n);
+ break;
+ case ROFFT_EQN:
+ case ROFFT_TBL:
+ break;
+ default:
+ cp = man_valids + n->tok;
+ if (*cp)
+ (*cp)(man, n);
+ break;
+ }
+}
+
+static void
+check_root(CHKARGS)
{
- v_post *cp;
- if (MAN_VALID & m->last->flags)
- return(1);
+ assert((man->flags & (MAN_BLINE | MAN_ELINE)) == 0);
- m->last->flags |= MAN_VALID;
+ if (NULL == man->first->child)
+ mandoc_msg(MANDOCERR_DOC_EMPTY, man->parse,
+ n->line, n->pos, NULL);
+ else
+ man->meta.hasbody = 1;
- switch (m->last->type) {
- case (MAN_TEXT):
- /* FALLTHROUGH */
- case (MAN_ROOT):
- return(1);
+ if (NULL == man->meta.title) {
+ mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse,
+ n->line, n->pos, NULL);
+
+ /*
+ * If a title hasn't been set, do so now (by
+ * implication, date and section also aren't set).
+ */
+
+ man->meta.title = mandoc_strdup("");
+ man->meta.msec = mandoc_strdup("");
+ man->meta.date = man->quick ? mandoc_strdup("") :
+ mandoc_normdate(man->parse, NULL, n->line, n->pos);
+ }
+}
+
+static void
+check_text(CHKARGS)
+{
+ char *cp, *p;
+
+ if (MAN_LITERAL & man->flags)
+ return;
+
+ cp = n->string;
+ for (p = cp; NULL != (p = strchr(p, '\t')); p++)
+ mandoc_msg(MANDOCERR_FI_TAB, man->parse,
+ n->line, n->pos + (p - cp), NULL);
+}
+
+static void
+post_OP(CHKARGS)
+{
+
+ if (n->nchild == 0)
+ mandoc_msg(MANDOCERR_OP_EMPTY, man->parse,
+ n->line, n->pos, "OP");
+ else if (n->nchild > 2) {
+ n = n->child->next->next;
+ mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
+ n->line, n->pos, "OP ... %s", n->string);
+ }
+}
+
+static void
+post_UR(CHKARGS)
+{
+
+ if (n->type == ROFFT_HEAD && n->child == NULL)
+ mandoc_vmsg(MANDOCERR_UR_NOHEAD, man->parse,
+ n->line, n->pos, "UR");
+ check_part(man, n);
+}
+
+static void
+post_ft(CHKARGS)
+{
+ char *cp;
+ int ok;
+
+ if (0 == n->nchild)
+ return;
+
+ ok = 0;
+ cp = n->child->string;
+ switch (*cp) {
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case 'I':
+ case 'P':
+ 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_FT_BAD, man->parse,
+ n->line, n->pos, "ft %s", cp);
+ *cp = '\0';
+ }
+}
+
+static void
+check_part(CHKARGS)
+{
+
+ if (n->type == ROFFT_BODY && n->child == NULL)
+ mandoc_msg(MANDOCERR_BLK_EMPTY, man->parse,
+ n->line, n->pos, man_macronames[n->tok]);
+}
+
+static void
+check_par(CHKARGS)
+{
+
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ if (0 == n->body->nchild)
+ roff_node_delete(man, n);
+ break;
+ case ROFFT_BODY:
+ if (0 == n->nchild)
+ mandoc_vmsg(MANDOCERR_PAR_SKIP,
+ man->parse, n->line, n->pos,
+ "%s empty", man_macronames[n->tok]);
+ break;
+ case ROFFT_HEAD:
+ if (n->nchild)
+ mandoc_vmsg(MANDOCERR_ARG_SKIP,
+ man->parse, n->line, n->pos,
+ "%s %s%s", man_macronames[n->tok],
+ n->child->string,
+ n->nchild > 1 ? " ..." : "");
+ break;
default:
break;
}
+}
- if (NULL == (cp = man_valids[m->last->tok].posts))
- return(1);
- for ( ; *cp; cp++)
- if ( ! (*cp)(m, m->last))
- return(0);
+static void
+post_IP(CHKARGS)
+{
- return(1);
+ switch (n->type) {
+ case ROFFT_BLOCK:
+ if (0 == n->head->nchild && 0 == n->body->nchild)
+ roff_node_delete(man, n);
+ break;
+ case ROFFT_BODY:
+ if (0 == n->parent->head->nchild && 0 == n->nchild)
+ mandoc_vmsg(MANDOCERR_PAR_SKIP,
+ man->parse, n->line, n->pos,
+ "%s empty", man_macronames[n->tok]);
+ break;
+ default:
+ break;
+ }
}
+static void
+post_TH(CHKARGS)
+{
+ struct roff_node *nb;
+ const char *p;
+
+ free(man->meta.title);
+ free(man->meta.vol);
+ free(man->meta.os);
+ free(man->meta.msec);
+ free(man->meta.date);
+
+ man->meta.title = man->meta.vol = man->meta.date =
+ man->meta.msec = man->meta.os = NULL;
+
+ nb = n;
+
+ /* ->TITLE<- MSEC DATE OS VOL */
+
+ n = n->child;
+ if (n && n->string) {
+ for (p = n->string; '\0' != *p; p++) {
+ /* Only warn about this once... */
+ if (isalpha((unsigned char)*p) &&
+ ! isupper((unsigned char)*p)) {
+ mandoc_vmsg(MANDOCERR_TITLE_CASE,
+ man->parse, n->line,
+ n->pos + (p - n->string),
+ "TH %s", n->string);
+ break;
+ }
+ }
+ man->meta.title = mandoc_strdup(n->string);
+ } else {
+ man->meta.title = mandoc_strdup("");
+ mandoc_msg(MANDOCERR_TH_NOTITLE, man->parse,
+ nb->line, nb->pos, "TH");
+ }
+
+ /* TITLE ->MSEC<- DATE OS VOL */
+
+ if (n)
+ n = n->next;
+ if (n && n->string)
+ man->meta.msec = mandoc_strdup(n->string);
+ else {
+ man->meta.msec = mandoc_strdup("");
+ mandoc_vmsg(MANDOCERR_MSEC_MISSING, man->parse,
+ nb->line, nb->pos, "TH %s", man->meta.title);
+ }
+
+ /* TITLE MSEC ->DATE<- OS VOL */
+
+ if (n)
+ n = n->next;
+ if (n && n->string && '\0' != n->string[0]) {
+ man->meta.date = man->quick ?
+ mandoc_strdup(n->string) :
+ mandoc_normdate(man->parse, n->string,
+ n->line, n->pos);
+ } else {
+ man->meta.date = mandoc_strdup("");
+ mandoc_msg(MANDOCERR_DATE_MISSING, man->parse,
+ n ? n->line : nb->line,
+ n ? n->pos : nb->pos, "TH");
+ }
+
+ /* TITLE MSEC DATE ->OS<- VOL */
-static inline int
-count(POSTARGS)
-{
- int i;
+ if (n && (n = n->next))
+ man->meta.os = mandoc_strdup(n->string);
+ else if (man->defos != NULL)
+ man->meta.os = mandoc_strdup(man->defos);
- for (i = 0; n; n = n->next, i++)
- /* Loop. */ ;
- return(i);
+ /* TITLE MSEC DATE OS ->VOL<- */
+ /* If missing, use the default VOL name for MSEC. */
+
+ if (n && (n = n->next))
+ man->meta.vol = mandoc_strdup(n->string);
+ else if ('\0' != man->meta.msec[0] &&
+ (NULL != (p = mandoc_a2msec(man->meta.msec))))
+ man->meta.vol = mandoc_strdup(p);
+
+ if (n != NULL && (n = n->next) != NULL)
+ mandoc_vmsg(MANDOCERR_ARG_EXCESS, man->parse,
+ n->line, n->pos, "TH ... %s", n->string);
+
+ /*
+ * Remove the `TH' node after we've processed it for our
+ * meta-data.
+ */
+ roff_node_delete(man, man->last);
}
+static void
+post_nf(CHKARGS)
+{
-#define INEQ_DEFINE(x, ineq, name) \
-static int \
-check_##name(POSTARGS) \
-{ \
- int c; \
- if ((c = count(m, n->child)) ineq (x)) \
- return(1); \
- return(man_vwarn(m, n->line, n->pos, \
- "expected line arguments %s %d, have %d", \
- #ineq, (x), c)); \
+ if (man->flags & MAN_LITERAL)
+ mandoc_msg(MANDOCERR_NF_SKIP, man->parse,
+ n->line, n->pos, "nf");
+
+ man->flags |= MAN_LITERAL;
}
-INEQ_DEFINE(0, ==, eq0)
-INEQ_DEFINE(1, >=, ge1)
-INEQ_DEFINE(2, >=, ge2)
-INEQ_DEFINE(1, <=, le1)
-INEQ_DEFINE(2, <=, le2)
-INEQ_DEFINE(5, <=, le5)
+static void
+post_fi(CHKARGS)
+{
+
+ if ( ! (MAN_LITERAL & man->flags))
+ mandoc_msg(MANDOCERR_FI_SKIP, man->parse,
+ n->line, n->pos, "fi");
+ man->flags &= ~MAN_LITERAL;
+}
+
+static void
+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;
+
+ if (n == NULL || n->type != ROFFT_TEXT)
+ 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];
+ }
+
+ free(man->meta.os);
+ man->meta.os = mandoc_strdup(p);
+}
+
+static void
+post_AT(CHKARGS)
+{
+ static const char * const unix_versions[] = {
+ "7th Edition",
+ "System III",
+ "System V",
+ "System V Release 2",
+ };
+
+ struct roff_node *nn;
+ const char *p, *s;
+
+ n = n->child;
+
+ if (n == NULL || n->type != ROFFT_TEXT)
+ 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 != NULL &&
+ nn->type == ROFFT_TEXT &&
+ nn->string[0] != '\0')
+ p = unix_versions[3];
+ else
+ p = unix_versions[2];
+ } else
+ p = unix_versions[0];
+ }
+
+ free(man->meta.os);
+ man->meta.os = mandoc_strdup(p);
+}
+
+static void
+post_vs(CHKARGS)
+{
+
+ if (NULL != n->prev)
+ return;
+
+ switch (n->parent->tok) {
+ case MAN_SH:
+ case MAN_SS:
+ mandoc_vmsg(MANDOCERR_PAR_SKIP, man->parse, n->line, n->pos,
+ "%s after %s", man_macronames[n->tok],
+ man_macronames[n->parent->tok]);
+ /* FALLTHROUGH */
+ case TOKEN_NONE:
+ /*
+ * Don't warn about this because it occurs in pod2man
+ * and would cause considerable (unfixable) warnage.
+ */
+ roff_node_delete(man, n);
+ break;
+ default:
+ break;
+ }
+}