/*

 * Copyright 2021 The OpenSSL Project Authors. All Rights Reserved.

 *

 * Licensed under the Apache License 2.0 (the "License").  You may not use

 * this file except in compliance with the License.  You can obtain a copy

 * in the file LICENSE in the source distribution or at

 * https://www.openssl.org/source/license.html

 */

#include "internal/propertyerr.h"

#include "internal/property.h"

#include "property_local.h"

static int property_idx_cmp(const void *keyp, const void *compare)

{

    OSSL_PROPERTY_IDX key = *(const OSSL_PROPERTY_IDX *)keyp;

    const OSSL_PROPERTY_DEFINITION *defn =

            (const OSSL_PROPERTY_DEFINITION *)compare;

    return key - defn->name_idx;

}

const OSSL_PROPERTY_DEFINITION *

ossl_property_find_property(const OSSL_PROPERTY_LIST *list,

                            OSSL_LIB_CTX *libctx, const char *name)

{

    OSSL_PROPERTY_IDX name_idx;

    if (list == NULL || name == NULL

        || (name_idx = ossl_property_name(libctx, name, 0)) == 0)

        return NULL;

    return ossl_bsearch(&name_idx, list->properties, list->num_properties,

                        sizeof(*list->properties), &property_idx_cmp, 0);

}

OSSL_PROPERTY_TYPE ossl_property_get_type(const OSSL_PROPERTY_DEFINITION *prop)

{

    return prop->type;

}

const char *ossl_property_get_string_value(OSSL_LIB_CTX *libctx,

                                           const OSSL_PROPERTY_DEFINITION *prop)

{

    const char *value = NULL;

    if (prop != NULL && prop->type == OSSL_PROPERTY_TYPE_STRING)

        value = ossl_property_value_str(libctx, prop->v.str_val);

    return value;

}

int64_t ossl_property_get_number_value(const OSSL_PROPERTY_DEFINITION *prop)

{

    int64_t value = 0;

    if (prop != NULL && prop->type == OSSL_PROPERTY_TYPE_NUMBER)

        value = prop->v.int_val;

    return value;

}

/* Does a property query have any optional clauses */

int ossl_property_has_optional(const OSSL_PROPERTY_LIST *query)

{

    return query->has_optional ? 1 : 0;

}

int ossl_property_is_enabled(OSSL_LIB_CTX *ctx,  const char *property_name,

                             const OSSL_PROPERTY_LIST *prop_list)

{

    const OSSL_PROPERTY_DEFINITION *prop;

    prop = ossl_property_find_property(prop_list, ctx, property_name);

    /* Do a separate check for override as it does not set type */

    if (prop == NULL || prop->optional || prop->oper == OSSL_PROPERTY_OVERRIDE)

        return 0;

    return (prop->type == OSSL_PROPERTY_TYPE_STRING

            && ((prop->oper == OSSL_PROPERTY_OPER_EQ

                     && prop->v.str_val == OSSL_PROPERTY_TRUE)

                 || (prop->oper == OSSL_PROPERTY_OPER_NE

                     && prop->v.str_val != OSSL_PROPERTY_TRUE)));

}