/* $NetBSD: prop_dictionary_util.c,v 1.1 2006/10/26 05:02:12 thorpej Exp $ */

/* $NetBSD: prop_dictionary_util.c,v 1.1 2006/10/26 05:02:12 thorpej Exp $ */

/*-
* Copyright (c) 2006 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/

/*
* Utility routines to make it more convenient to work with values
* stored in dictionaries.
*
* Note: There is no special magic going on here. We use the standard
* proplib(3) APIs to do all of this work. Any application could do
* exactly what we're doing here.
*/

#include <prop/proplib.h>
#include "prop_object_impl.h" /* only to hide kernel vs. not-kernel */

boolean_t
prop_dictionary_get_bool(prop_dictionary_t dict,
const char *key,
boolean_t *valp)
{
prop_bool_t b;

b = prop_dictionary_get(dict, key);
if (prop_object_type(b) != PROP_TYPE_BOOL)
return (FALSE);

*valp = prop_bool_true(b);

return (TRUE);
}

boolean_t
prop_dictionary_set_bool(prop_dictionary_t dict,
const char *key,
boolean_t val)
{
prop_bool_t b;
int rv;

b = prop_bool_create(val);
if (b == NULL)
return (FALSE);
rv = prop_dictionary_set(dict, key, b);
prop_object_release(b);

return (rv);
}

#define TEMPLATE(size) \
boolean_t \
prop_dictionary_get_int ## size (prop_dictionary_t dict, \
const char *key, \
int ## size ## _t *valp) \
{ \
prop_number_t num; \
\
num = prop_dictionary_get(dict, key); \
if (prop_object_type(num) != PROP_TYPE_NUMBER) \
return (FALSE); \
\
if (prop_number_unsigned(num) && \
prop_number_unsigned_integer_value(num) > \
/*CONSTCOND*/((size) == 8 ? INT8_MAX : \
(size) == 16 ? INT16_MAX : \
(size) == 32 ? INT32_MAX : INT64_MAX)) { \
return (FALSE); \
} \
\
if (prop_number_size(num) > (size)) \
return (FALSE); \
\
*valp = (int ## size ## _t) prop_number_integer_value(num); \
\
return (TRUE); \
} \
\
boolean_t \
prop_dictionary_get_uint ## size (prop_dictionary_t dict, \
const char *key, \
uint ## size ## _t *valp) \
{ \
prop_number_t num; \
\
num = prop_dictionary_get(dict, key); \
if (prop_object_type(num) != PROP_TYPE_NUMBER) \
return (FALSE); \
\
if (prop_number_unsigned(num) == FALSE && \
prop_number_integer_value(num) < 0) { \
return (FALSE); \
} \
\
if (prop_number_size(num) > (size)) \
return (FALSE); \
\
*valp = (uint ## size ## _t) \
prop_number_unsigned_integer_value(num); \
\
return (TRUE); \
} \
\
boolean_t \
prop_dictionary_set_int ## size (prop_dictionary_t dict, \
const char *key, \
int ## size ## _t val) \
{ \
prop_number_t num; \
int rv; \
\
num = prop_number_create_integer((int64_t) val); \
if (num == NULL) \
return (FALSE); \
rv = prop_dictionary_set(dict, key, num); \
prop_object_release(num); \
\
return (rv); \
} \
\
boolean_t \
prop_dictionary_set_uint ## size (prop_dictionary_t dict, \
const char *key, \
uint ## size ## _t val) \
{ \
prop_number_t num; \
int rv; \
\
num = prop_number_create_unsigned_integer((uint64_t) val); \
if (num == NULL) \
return (FALSE); \
rv = prop_dictionary_set(dict, key, num); \
prop_object_release(num); \
\
return (rv); \
}

TEMPLATE(8)
TEMPLATE(16)
TEMPLATE(32)
TEMPLATE(64)

#undef TEMPLATE

#define TEMPLATE(variant, qualifier) \
boolean_t \
prop_dictionary_get_cstring ## variant (prop_dictionary_t dict, \
const char *key, \
qualifier char **cpp) \
{ \
prop_string_t str; \
\
str = prop_dictionary_get(dict, key); \
if (prop_object_type(str) != PROP_TYPE_STRING) \
return (FALSE); \
\
*cpp = prop_string_cstring ## variant (str); \
\
return (*cpp == NULL ? FALSE : TRUE); \
} \
\
boolean_t \
prop_dictionary_set_cstring ## variant (prop_dictionary_t dict, \
const char *key, \
const char *cp) \
{ \
prop_string_t str; \
int rv; \
\
str = prop_string_create_cstring ## variant (cp); \
if (str == NULL) \
return (FALSE); \
rv = prop_dictionary_set(dict, key, str); \
prop_object_release(str); \
\
return (rv); \
}

TEMPLATE(,)
TEMPLATE(_nocopy,const)

#undef TEMPLATE