diff options
Diffstat (limited to 'libparc/parc/algol/parc_Iterator.c')
-rwxr-xr-x | libparc/parc/algol/parc_Iterator.c | 159 |
1 files changed, 0 insertions, 159 deletions
diff --git a/libparc/parc/algol/parc_Iterator.c b/libparc/parc/algol/parc_Iterator.c deleted file mode 100755 index 5ef67bf4..00000000 --- a/libparc/parc/algol/parc_Iterator.c +++ /dev/null @@ -1,159 +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. - */ - -/** - */ -#include <config.h> - -#include <parc/algol/parc_Iterator.h> - -struct parc_iterator { - PARCObject *object; - void *(*init)(PARCObject *); - bool (*hasNext)(PARCObject *, void *); - void *(*next)(PARCObject *, void *); - void (*remove)(PARCObject *, void **); - void *(*element)(PARCObject *, void *); - void (*fini)(PARCObject *, void *); - void (*assertValid)(const void *); - bool initialized; - void *state; -}; - -static void -_parcIterator_Destroy(PARCIterator **iteratorPtr) -{ - PARCIterator *iterator = *iteratorPtr; - - parcObject_Release(&(iterator->object)); - - (iterator->fini(iterator->object, iterator->state)); -} - -parcObject_ExtendPARCObject(PARCIterator, _parcIterator_Destroy, NULL, NULL, NULL, NULL, NULL, NULL); - -static void * -_parcIterator_Init(PARCIterator *iterator) -{ - if (iterator->init) { - iterator->state = (iterator->init)(iterator->object); - } - - if (iterator->assertValid) { - (iterator->assertValid)(iterator->state); - } - - iterator->initialized = true; - return iterator->state; -} - -static void -_parcIteratorState_AssertValid(const PARCIterator *iterator) -{ - if (iterator->assertValid) { - (iterator->assertValid)(iterator->state); - } -} - -PARCIterator * -parcIterator_Create(PARCObject *object, - void *(*init)(PARCObject *), - bool (*hasNext)(PARCObject *, void *), - void *(*next)(PARCObject *, void *), - void (*remove)(PARCObject *, void **), - void *(*element)(PARCObject *, void *), - void (*fini)(PARCObject *, void *), - void (*assertValid)(const void *)) -{ - parcAssertNotNull(object, "PARCObject cannot be NULL."); - parcAssertNotNull(init, "'init' function cannot be NULL."); - parcAssertNotNull(hasNext, "'hasNext' function cannot be NULL."); - parcAssertNotNull(next, "'next' function cannot be NULL."); - parcAssertNotNull(element, "'element' function cannot be NULL."); - parcAssertNotNull(fini, "'fini' function cannot be NULL."); - - PARCIterator *result = parcObject_CreateInstance(PARCIterator); - - if (result != NULL) { - result->object = parcObject_Acquire(object); - result->init = init; - result->hasNext = hasNext; - result->next = next; - result->remove = remove; - result->element = element; - result->fini = fini; - result->assertValid = assertValid; - - result->initialized = false; - _parcIterator_Init(result); - } - - return result; -} - -bool -parcIterator_IsValid(const PARCIterator *iterator) -{ - bool result = false; - - if (iterator != NULL) { - if (parcObject_IsValid(iterator)) { - result = true; - } - } - - return result; -} - -void -parcIterator_AssertValid(const PARCIterator *iterator) -{ - parcAssertTrue(parcIterator_IsValid(iterator), "PARCIterator is not valid."); -} - -parcObject_ImplementAcquire(parcIterator, PARCIterator); - -parcObject_ImplementRelease(parcIterator, PARCIterator); - - -void * -parcIterator_Next(PARCIterator *iterator) -{ - parcIterator_OptionalAssertValid(iterator); - - iterator->state = (iterator->next)(iterator->object, iterator->state); - - _parcIteratorState_AssertValid(iterator); - - return (iterator->element)(iterator->object, iterator->state); -} - -bool -parcIterator_HasNext(const PARCIterator *iterator) -{ - parcIterator_OptionalAssertValid(iterator); - - return (iterator->hasNext)(iterator->object, iterator->state); -} - -void -parcIterator_Remove(PARCIterator *iterator) -{ - if (iterator->remove != NULL) { - (iterator->remove)(iterator->object, &iterator->state); - } - - _parcIteratorState_AssertValid(iterator); -} |