mandoc/man_validate.c - diff

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Diff for /mandoc/man_validate.c between version 1.2 and 1.16

version 1.2, 2009/03/25 21:46:24

version 1.16, 2009/07/24 20:22:24

Line 1

/* $Id$ */

* Permission to use, copy, modify, and distribute this software for any

* purpose with or without fee is hereby granted, provided that the

* purpose with or without fee is hereby granted, provided that the above

* above copyright notice and this permission notice appear in all

* copyright notice and this permission notice appear in all copies.

* copies.

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL

* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

* WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED

* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

* WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE

* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

* AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL

* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR

* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER

* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR

* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

* PERFORMANCE OF THIS SOFTWARE.

#include <sys/types.h>

#include <assert.h>

#include <ctype.h>

#include <errno.h>

#include <limits.h>

#include <stdarg.h>

#include <stdlib.h>

#include "libman.h"

#include "libmandoc.h"

/* FIXME: validate text. */

#define POSTARGS struct man *m, const struct man_node *n

typedef int (*v_post)(POSTARGS);

Line 35 struct man_valid {

Line 34 struct man_valid {

v_post *posts;

};

static int count(POSTARGS);

static int check_eq0(POSTARGS);

static int check_eq1(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_root(POSTARGS);

static int check_sp(POSTARGS);

static int check_text(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_ge1[] = { check_ge1, NULL };

static v_post posts_ge2_le5[] = { check_ge2, check_le5, NULL };

static v_post posts_le1[] = { check_le1, NULL };

static v_post posts_le2[] = { check_le2, NULL };

static v_post posts_sp[] = { check_sp, NULL };

static const struct man_valid man_valids[MAN_MAX] = {

{ NULL }, /* __ */

{ posts_eq0 }, /* br */

{ posts_ge2_le5 }, /* TH */

{ posts_ge1 }, /* SH */

{ posts_ge1 }, /* SS */

{ posts_le1 }, /* TP */

{ NULL }, /* TP */

{ posts_eq0 }, /* LP */

{ posts_eq0 }, /* PP */

{ posts_eq0 }, /* P */

Line 70 static const struct man_valid man_valids[MAN_MAX] = {

Line 73 static const struct man_valid man_valids[MAN_MAX] = {

{ NULL }, /* B */

{ NULL }, /* I */

{ NULL }, /* IR */

{ NULL }, /* RI */

{ posts_eq0 }, /* na */

{ NULL }, /* i */

{ posts_sp }, /* sp */

};

Line 84 man_valid_post(struct man *m)

Line 91 man_valid_post(struct man *m)

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;

}

Line 101 man_valid_post(struct man *m)

Line 108 man_valid_post(struct man *m)

}

static inline int

static int

count(POSTARGS)

check_root(POSTARGS)

{

int i;

if (NULL == m->first->child)

return(man_nerr(m, n, WNODATA));

if (NULL == m->meta.title)

return(man_nerr(m, n, WNOTITLE));

for (i = 0; n; n = n->next, i++)

return(1);

/* Loop. */ ;

return(i);

}

static int

check_text(POSTARGS)

{

const char *p;

int pos, c;

assert(n->string);

for (p = n->string, pos = n->pos + 1; *p; p++, pos++) {

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)

return(man_pwarn(m, n->line, pos, WNPRINT));

return(man_perr(m, n->line, pos, WNPRINT));

}

return(1);

}

#define INEQ_DEFINE(x, ineq, name) \

static int \

check_##name(POSTARGS) \

{ \

int c; \

if (n->nchild ineq (x)) \

if ((c = count(m, n->child)) ineq (x)) \

return(1); \

return(man_vwarn(m, n->line, n->pos, \

return(man_verr(m, n->line, n->pos, \

"expected line arguments %s %d, have %d", \

#ineq, (x), c)); \

#ineq, (x), n->nchild)); \

}

INEQ_DEFINE(0, ==, eq0)

INEQ_DEFINE(1, ==, eq1)

INEQ_DEFINE(1, >=, ge1)

INEQ_DEFINE(2, >=, ge2)

INEQ_DEFINE(1, <=, le1)

INEQ_DEFINE(2, <=, le2)

INEQ_DEFINE(5, <=, le5)

static int

check_sp(POSTARGS)

{

long lval;

char *ep, *buf;

if (NULL == m->last->child)

return(1);

else if ( ! check_eq1(m, n))

return(0);

assert(MAN_TEXT == m->last->child->type);

buf = m->last->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, m->last->child, WNUMFMT));

if ((errno == ERANGE && (lval == LONG_MAX || lval == LONG_MIN)) ||

(lval > INT_MAX || lval < 0))

return(man_nerr(m, m->last->child, WNUMFMT));

return(1);

}

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