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/*
* Copyright (c) 2017 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
*
*/
#include <config.h>
#include <string.h>
#include "parc_KeyValue.h"
#include "parc_Object.h"
#include <parc/assert/parc_Assert.h>
struct parc_key_value {
PARCObject *key;
PARCObject *value;
};
static void
_parcKeyValue_Destroy(PARCKeyValue **keyValuePointer)
{
PARCKeyValue *keyValue = *keyValuePointer;
parcObject_Release(&keyValue->key);
if (keyValue->value != NULL) {
parcObject_Release(&keyValue->value);
}
}
parcObject_ExtendPARCObject(PARCKeyValue, _parcKeyValue_Destroy, parcKeyValue_Copy, NULL, parcKeyValue_Equals,
parcKeyValue_Compare, parcKeyValue_HashCode, NULL);
parcObject_ImplementAcquire(parcKeyValue, PARCKeyValue);
parcObject_ImplementRelease(parcKeyValue, PARCKeyValue);
PARCKeyValue *
parcKeyValue_Create(const PARCObject *key,
const PARCObject *value)
{
parcAssertNotNull(key, "Key may not be null in a KeyValue element");
PARCKeyValue *keyValue = parcObject_CreateInstance(PARCKeyValue);
parcAssertNotNull(keyValue, "parcMemory_Allocate(%zu) returned NULL", sizeof(PARCKeyValue));
keyValue->key = parcObject_Acquire(key);
keyValue->value = NULL;
if (value != NULL) {
keyValue->value = parcObject_Acquire(value);
}
return keyValue;
}
PARCKeyValue *
parcKeyValue_Copy(const PARCKeyValue *source)
{
PARCKeyValue *newKV = parcObject_CreateInstance(PARCKeyValue);
newKV->key = parcObject_Copy(source->key);
newKV->value = NULL;
if (source->value != NULL) {
newKV->value = parcObject_Copy(source->value);
}
return newKV;
}
void
parcKeyValue_SetValue(PARCKeyValue *keyValue, PARCObject *value)
{
parcAssertNotNull(keyValue, "Not a valid keyValue");
PARCObject *oldValue = keyValue->value;
if (value != NULL) {
keyValue->value = parcObject_Acquire(value);
} else {
keyValue->value = NULL;
}
if (oldValue != NULL) {
parcObject_Release(&oldValue);
}
}
void
parcKeyValue_SetKey(PARCKeyValue *keyValue, PARCObject *key)
{
parcAssertNotNull(keyValue, "Not a valid keyValue");
PARCObject *oldKey = keyValue->key;
keyValue->key = parcObject_Acquire(key);
parcObject_Release(&oldKey);
}
PARCObject *
parcKeyValue_GetValue(PARCKeyValue *keyValue)
{
parcAssertNotNull(keyValue, "Not a valid keyValue");
return keyValue->value;
}
PARCObject *
parcKeyValue_GetKey(PARCKeyValue *keyValue)
{
parcAssertNotNull(keyValue, "Not a valid keyValue");
return keyValue->key;
}
bool
parcKeyValue_Equals(const PARCKeyValue *a, const PARCKeyValue *b)
{
bool result = parcObject_Equals(a->key, b->key);
if ((a->value == NULL) || (b->value == NULL)) {
result &= (a->value == b->value); // Only true if both are NULL
} else {
result &= parcObject_Equals(a->value, b->value);
}
return result;
}
int
parcKeyValue_Compare(const PARCKeyValue *a, const PARCKeyValue *b)
{
if (a == NULL && b == NULL) {
return 0;
}
if (a != NULL && b == NULL) {
return 1;
}
if (a == NULL && b != NULL) {
return -1;
} else {
return parcObject_Compare(a->key, b->key);
}
}
PARCHashCode
parcKeyValue_HashCode(const PARCKeyValue *keyValue)
{
return parcObject_HashCode(keyValue->key);
}
bool
parcKeyValue_EqualKeys(const PARCKeyValue *a, const PARCKeyValue *b)
{
return parcObject_Equals(a->key, b->key);
}
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