another synce with SH

This commit is contained in:
Borja Ferrer 2006-01-24 22:51:29 +00:00
parent 7c7422a553
commit 82653094fb
2 changed files with 579 additions and 541 deletions

View File

@ -17,6 +17,28 @@
//namespace SourceHook
//{
//This class is from CSDM for AMX Mod X
/*
A circular, doubly-linked list with one sentinel node
Empty:
m_Head = sentinel
m_Head->next = m_Head;
m_Head->prev = m_Head;
One element:
m_Head = sentinel
m_Head->next = node1
m_Head->prev = node1
node1->next = m_Head
node1->prev = m_Head
Two elements:
m_Head = sentinel
m_Head->next = node1
m_Head->prev = node2
node1->next = node2
node1->prev = m_Head
node2->next = m_Head
node2->prev = node1
*/
template <class T>
class List
{
@ -33,11 +55,13 @@ public:
ListNode *prev;
};
private:
// Initializes the sentinel node.
// BAIL used malloc instead of new in order to bypass the need for a constructor.
ListNode *_Initialize()
{
ListNode *n = (ListNode *)malloc(sizeof(ListNode));
n->next = NULL;
n->prev = NULL;
n->next = n;
n->prev = n;
return n;
}
public:
@ -53,6 +77,8 @@ public:
~List()
{
clear();
// Don't forget to free the sentinel
if (m_Head)
{
free(m_Head);
@ -63,32 +89,27 @@ public:
{
ListNode *node = new ListNode(obj);
if (!m_Head->prev)
{
//link in the node as the first item
node->next = m_Head;
node->prev = m_Head;
m_Head->prev = node;
m_Head->next = node;
} else {
node->prev = m_Head->prev;
node->next = m_Head;
m_Head->prev->next = node;
m_Head->prev = node;
}
node->prev = m_Head->prev;
node->next = m_Head;
m_Head->prev->next = node;
m_Head->prev = node;
m_Size++;
}
size_t size()
{
return m_Size;
}
void clear()
{
ListNode *node = m_Head->next;
ListNode *temp;
m_Head->next = NULL;
m_Head->prev = NULL;
while (node && node != m_Head)
m_Head->next = m_Head;
m_Head->prev = m_Head;
// Iterate through the nodes until we find g_Head (the sentinel) again
while (node != m_Head)
{
temp = node->next;
delete node;
@ -98,7 +119,7 @@ public:
}
bool empty()
{
return (m_Head->next == NULL);
return (m_Size == 0);
}
T & back()
{
@ -110,7 +131,7 @@ private:
public:
class iterator
{
friend class List;
friend class List;
public:
iterator()
{
@ -191,10 +212,7 @@ public:
public:
iterator begin() const
{
if (m_Size)
return iterator(m_Head->next);
else
return iterator(m_Head);
return iterator(m_Head->next);
}
iterator end() const
{
@ -206,30 +224,34 @@ public:
iterator iter(where);
iter++;
//If we are both the head and tail...
if (m_Head->next == pNode && m_Head->prev == pNode)
{
m_Head->next = NULL;
m_Head->prev = NULL;
} else if (m_Head->next == pNode) {
//we are only the first
pNode->next->prev = m_Head;
m_Head->next = pNode->next;
} else if (m_Head->prev == pNode) {
//we are the tail
pNode->prev->next = m_Head;
m_Head->prev = pNode->prev;
} else {
//middle unlink
pNode->prev->next = pNode->next;
pNode->next->prev = pNode->prev;
}
// Works for all cases: empty list, erasing first element, erasing tail, erasing in the middle...
pNode->prev->next = pNode->next;
pNode->next->prev = pNode->prev;
delete pNode;
m_Size--;
return iter;
}
iterator insert(iterator where, const T &obj)
{
// Insert obj right before where
ListNode *node = new ListNode(obj);
ListNode *pWhereNode = where.m_This;
pWhereNode->prev->next = node;
node->prev = pWhereNode->prev;
pWhereNode->prev = node;
node->next = pWhereNode;
m_Size++;
return iterator(node);
}
public:
void remove(const T & obj)
{
@ -254,7 +276,7 @@ public:
}
return end();
}
List & operator =(List &src)
List & operator =(const List &src)
{
clear();
iterator iter;

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