From ec688b4723a041044226358bcd4dd6e2da39da49 Mon Sep 17 00:00:00 2001 From: Luca Muscariello Date: Thu, 23 Feb 2017 17:01:02 +0100 Subject: Initial commit: cframework. Longbow and Libparc Change-Id: I90378dbd30da6033b20fb1f829b3b822cf366c59 Signed-off-by: Luca Muscariello --- libparc/parc/algol/parc_KeyValue.c | 158 +++++++++++++++++++++++++++++++++++++ 1 file changed, 158 insertions(+) create mode 100755 libparc/parc/algol/parc_KeyValue.c (limited to 'libparc/parc/algol/parc_KeyValue.c') diff --git a/libparc/parc/algol/parc_KeyValue.c b/libparc/parc/algol/parc_KeyValue.c new file mode 100755 index 00000000..27b20f35 --- /dev/null +++ b/libparc/parc/algol/parc_KeyValue.c @@ -0,0 +1,158 @@ +/* + * 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 + +#include + +#include "parc_KeyValue.h" +#include "parc_Object.h" + +#include + +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) +{ + assertNotNull(key, "Key may not be null in a KeyValue element"); + + PARCKeyValue *keyValue = parcObject_CreateInstance(PARCKeyValue); + assertNotNull(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) +{ + assertNotNull(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) +{ + assertNotNull(keyValue, "Not a valid keyValue"); + PARCObject *oldKey = keyValue->key; + keyValue->key = parcObject_Acquire(key); + parcObject_Release(&oldKey); +} + +PARCObject * +parcKeyValue_GetValue(PARCKeyValue *keyValue) +{ + assertNotNull(keyValue, "Not a valid keyValue"); + return keyValue->value; +} + +PARCObject * +parcKeyValue_GetKey(PARCKeyValue *keyValue) +{ + assertNotNull(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); +} -- cgit 1.2.3-korg