aboutsummaryrefslogtreecommitdiffstats
path: root/libparc/parc/algol/parc_BufferDictionary.c
diff options
context:
space:
mode:
Diffstat (limited to 'libparc/parc/algol/parc_BufferDictionary.c')
-rwxr-xr-xlibparc/parc/algol/parc_BufferDictionary.c146
1 files changed, 0 insertions, 146 deletions
diff --git a/libparc/parc/algol/parc_BufferDictionary.c b/libparc/parc/algol/parc_BufferDictionary.c
deleted file mode 100755
index c2438129..00000000
--- a/libparc/parc/algol/parc_BufferDictionary.c
+++ /dev/null
@@ -1,146 +0,0 @@
-/*
- * 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.
- */
-
-/**
- * The dictionary is implemented with the parc_HashCodeTable backend. This implementation
- * is inefficient for additions with duplicate keys, because the semantics of parc_HashCodeTable
- * are not the same as parc_BufferDictionary in returning values for Put and Remove.
- *
- */
-#include <config.h>
-
-#include <parc/assert/parc_Assert.h>
-
-#include <parc/algol/parc_BufferDictionary.h>
-
-#include <parc/algol/parc_Object.h>
-#include <parc/algol/parc_Memory.h>
-#include <parc/algol/parc_HashCodeTable.h>
-
-struct parc_buffer_dictionary {
- PARCHashCodeTable *hashtable;
-};
-
-// Wrapper to go from void * to PARCBuffer *
-static bool
-_parcBufferEquals(const void *a, const void *b)
-{
- return parcBuffer_Equals((const PARCBuffer *) a, (const PARCBuffer *) b);
-}
-
-// Wrapper to go from void * to PARCBuffer *
-static PARCHashCode
-_parcBufferHashCode(const void *a)
-{
- return parcBuffer_HashCode((const PARCBuffer *) a);
-}
-
-// Wrapper to go from void ** to PARCBuffer **
-static void
-_parcBufferRelease(void **bufferVoidPtr)
-{
- parcBuffer_Release((PARCBuffer **) bufferVoidPtr);
-}
-
-/*
- * Initialise a parcBufferDictionary instance.
- * @return The same pointer as `result`.
- */
-static PARCBufferDictionary *
-_init(PARCBufferDictionary *result)
-{
- result->hashtable = parcHashCodeTable_Create(_parcBufferEquals, _parcBufferHashCode, _parcBufferRelease, _parcBufferRelease);
- return result;
-}
-
-/**
- * Cleans up the internal memory of a PARCBufferDictionary
- *
- * @param [in] dictionaryPtr Double pointer to the dictionary to finalize
- */
-static void
-_destroy(PARCBufferDictionary **dictionaryPtr)
-{
- parcAssertNotNull(dictionaryPtr, "Double pointer dictionaryPtr must be non-NULL");
- parcAssertNotNull(*dictionaryPtr, "Double pointer dictionaryPtr must dereference to non-NULL");
-
- PARCBufferDictionary *dict = *dictionaryPtr;
-
- parcHashCodeTable_Destroy(&dict->hashtable);
-}
-
-
-parcObject_ExtendPARCObject(PARCBufferDictionary, _destroy, NULL, NULL, NULL, NULL, NULL, NULL);
-
-PARCBufferDictionary *
-parcBufferDictionary_Create(void)
-{
- PARCBufferDictionary *result = parcObject_CreateInstance(PARCBufferDictionary);
- if (result != NULL) {
- return _init(result);
- }
-
- return NULL;
-}
-
-parcObject_ImplementAcquire(parcBufferDictionary, PARCBufferDictionary);
-
-parcObject_ImplementRelease(parcBufferDictionary, PARCBufferDictionary);
-
-PARCBuffer *
-parcBufferDictionary_Put(PARCBufferDictionary *dictionary, PARCBuffer *key, PARCBuffer *value)
-{
- parcAssertNotNull(dictionary, "Parameter dictionary must be non-NULL");
- parcAssertNotNull(key, "Parameter key must be non-NULL");
- parcAssertNotNull(value, "Parameter value must be non-NULL");
-
- PARCBuffer *oldValue = NULL;
-
- // We use reference counted copyies of the supplied parameters
- PARCBuffer *key_copy = parcBuffer_Acquire(key);
- PARCBuffer *value_copy = parcBuffer_Acquire(value);
-
- if (!parcHashCodeTable_Add(dictionary->hashtable, key_copy, value_copy)) {
- // parcHashCodeTable_Del will free the referece, to make a copy of it
- PARCBuffer *original = (PARCBuffer *) parcHashCodeTable_Get(dictionary->hashtable, key_copy);
- oldValue = parcBuffer_Acquire(original);
- parcHashCodeTable_Del(dictionary->hashtable, key_copy);
- parcHashCodeTable_Add(dictionary->hashtable, key_copy, value_copy);
- }
-
- return oldValue;
-}
-
-PARCBuffer *
-parcBufferDictionary_Get(PARCBufferDictionary *dictionary, PARCBuffer *key)
-{
- parcAssertNotNull(dictionary, "Parameter dictionary must be non-NULL");
- parcAssertNotNull(key, "Parameter key must be non-NULL");
-
- return parcHashCodeTable_Get(dictionary->hashtable, key);
-}
-
-PARCBuffer *
-parcBufferDictionary_Remove(PARCBufferDictionary *dictionary, PARCBuffer *key)
-{
- parcAssertNotNull(dictionary, "Parameter dictionary must be non-NULL");
- parcAssertNotNull(key, "Parameter key must be non-NULL");
-
- // parcHashCodeTable_Del will free the referece, to make a copy of it
- PARCBuffer *original = (PARCBuffer *) parcHashCodeTable_Get(dictionary->hashtable, key);
- PARCBuffer *oldValue = parcBuffer_Acquire(original);
- parcHashCodeTable_Del(dictionary->hashtable, key);
- return oldValue;
-}