static ListNode * detachAtIndex(List * list, int index)
{
ListNode * nodeToRemove, *previousNode, *nextNode;
if(list == NULL)
return NULL;
if(index < 0 || index >= List_getLength(list))
return NULL;
if(index == 0)
return detachFront(list);
if(index == (List_getLength(list) - 1))
return detachBack(list);
nodeToRemove = nodeAtIndex(list, index);
previousNode = nodeToRemove->previousNode;
nextNode = nodeToRemove->nextNode;
previousNode->nextNode = nextNode;
nextNode->previousNode = previousNode;
nodeToRemove->nextNode = NULL;
nodeToRemove->previousNode = NULL;
list->length--;
return nodeToRemove;
}
List * List_insertList(List * list, int position, List * insertList)
{
ListIterator * newIterator;
ListIterator * insertIterator;
void * data;
List * newList;
if(list == NULL || insertList == NULL)
return NULL;
if(position < 0 || position > List_getLength(list))
return NULL;
if(position == 0)
return List_prependList(list, insertList);
if(position == List_getLength(list))
return List_appendList(list, insertList);
newList = List_clone(list);
newIterator = ListIterator_create(newList);
insertIterator = ListIterator_create(insertList);
if(ListIterator_seekToPosition(newIterator, position) == NULL)
{
ListIterator_destroy(newIterator);
ListIterator_destroy(insertIterator);
List_destroy(newList);
return NULL;
}
data = ListIterator_seekToFirst(insertIterator);
while(data != NULL)
{
if(!ListIterator_insertValue(newIterator, data))
{
ListIterator_destroy(newIterator);
ListIterator_destroy(insertIterator);
List_destroy(newList);
return NULL;
}
ListIterator_nextItem(newIterator);
data = ListIterator_nextItem(insertIterator);
}
ListIterator_destroy(newIterator);
ListIterator_destroy(insertIterator);
return newList;
}
void test(){
/*
测试链表函数
测试结果:全部函数运行通过
*/
List A;
int a[]={1,2,3,4};
List B;
int b[]={5,6,7,8,9};
List_Init(&A);
List_Init(&B);
List_creat(&A,a,4);
List_creat(&B,b,5);
printf("\nA:");
List_printf(&A);
printf("\nB:");
List_printf(&B);
List_Insert(&A,1,2);
printf("\nA:");
List_printf(&A);
printf("\nA length:%d",List_getLength(&A));
List_clear(&B);
printf("\nB:");
List_printf(&B);
List_destroy(&B);
}
List * List_removeRange(List * list, int start, int end)
{
List * newList;
int length, i;
void * data;
ListIterator * iterator;
if(list == NULL)
return NULL;
if(start < 0 || start >= List_getLength(list))
return NULL;
if(end < 0 || end >= List_getLength(list))
return NULL;
if(end < start)
return NULL;
length = end - start;
newList = List_create();
iterator = ListIterator_create(list);
if(ListIterator_seekToPosition(iterator, start) == NULL)
{
ListIterator_destroy(iterator);
List_destroy(newList);
return NULL;
}
for(i = 0; i <= length; i++)
{
data = ListIterator_removeCurrent(iterator);
if(data == NULL)
{
ListIterator_destroy(iterator);
List_destroy(newList);
}
List_addBack(newList, data);
}
ListIterator_destroy(iterator);
return newList;
}
int List_positionOfSubListOffset(List * list, List * sublist, int (*isEqual)(void *, void*), int offset)
{
int i;
if(list == NULL || sublist == NULL || isEqual == NULL)
return false;
if(List_isEmpty(sublist))
return -1;
if(List_getLength(sublist) > List_getLength(list))
return -1;
if(offset < 0 || offset >= List_getLength(sublist))
return -1;
if(List_getLength(list) == List_getLength(sublist) && offset == 0)
{
if(List_isEqual(list, sublist, isEqual))
return 0;
else
return -1;
}
for(i = offset; i < List_getLength(list) - List_getLength(sublist) + 1; i++)
{
if(locationContainsSubList(list, sublist, isEqual, i))
return i;
}
return -1;
}
Boolean List_containsSubList(List * list, List * sublist, int (*isEqual)(void *, void*))
{
int i;
if(list == NULL || sublist == NULL || isEqual == NULL)
return false;
if(List_isEmpty(sublist))
return true;
if(List_getLength(sublist) > List_getLength(list))
return false;
if(List_getLength(list) == List_getLength(sublist))
return List_isEqual(list, sublist, isEqual);
for(i = 0; i < List_getLength(list) - List_getLength(sublist) + 1; i++)
{
if(locationContainsSubList(list, sublist, isEqual, i))
return true;
}
return false;
}
Boolean List_insertAtPosition(List * list, void * data, int index)
{
ListNode * nextNode, *previousNode, *newNode;
if(list == NULL || data == NULL)
return false;
if(index < 0 || index > List_getLength(list))
return false;
newNode = createNode(data);
if(newNode == NULL)
return false;
if(index == 0)
{
return List_addFront(list, newNode);
}
if(index == List_getLength(list))
{
return List_addBack(list, newNode);
}
nextNode = nodeAtIndex(list, index);
previousNode = nextNode->previousNode;
previousNode->nextNode = newNode;
newNode->nextNode = nextNode;
nextNode->previousNode = newNode;
newNode->previousNode = previousNode;
list->length++;
return true;
}
Boolean List_isEqual(List * list, List * secondList, int (*isEqual)(void *, void *))
{
ListIterator * first;
ListIterator * second;
void * firstData;
void * secondData;
if(list == NULL || secondList == NULL || isEqual == NULL)
return false;
if(List_getLength(list) != List_getLength(secondList))
return false;
first = ListIterator_create(list);
second = ListIterator_create(secondList);
firstData = ListIterator_seekToFirst(first);
secondData = ListIterator_seekToFirst(second);
while(firstData != NULL && secondData != NULL)
{
if(!isEqual(firstData, secondData))
{
ListIterator_destroy(first);
ListIterator_destroy(second);
return false;
}
firstData = ListIterator_nextItem(first);
secondData = ListIterator_nextItem(second);
}
ListIterator_destroy(first);
ListIterator_destroy(second);
return firstData == secondData;
}
void * List_removePosition(List * list, int index)
{
ListNode * nodeToRemove;
void * data;
if(list == NULL)
return NULL;
if(index < 0 || index >= List_getLength(list))
return NULL;
nodeToRemove = detachAtIndex(list, index);
if(nodeToRemove == NULL)
return NULL;
data = nodeToRemove->data;
destroyNode(nodeToRemove);
return data;
}
Boolean List_isEmpty(List * list)
{
return List_getLength(list) == 0;
}
bool Stack_getLength(Stack s, size_t *lgt){
return List_getLength((List)s, lgt);
}
