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/* Author: Jim Kowalkowski
* Date: 7/96 */
#ifndef tsDLHashList_H
#define tsDLHashList_H
extern "C" {
#include "gpHash.h"
}
#include "tsDLList.h"
template <class T>
class tsHash
{
private:
void* hash_table;
// friend class tsDLHashIter<T>;
public:
tsHash(void)
{
hash_table=0;
gphInitPvt(&hash_table,2048); // 2048 is a guess
}
~tsHash(void)
{
gphFreeMem(hash_table);
}
int add(const char* key, T& item)
{
GPHENTRY* entry;
int rc;
entry=gphAdd(hash_table,(char*)key,hash_table);
if(entry==0)
rc=-1;
else
{
entry->userPvt=(void*)&item;
rc=0;
}
return rc;
}
int remove(const char* key,T*& item)
{
int rc;
if(find(key,item)<0)
rc=-1;
else
{
gphDelete(hash_table,(char*)key,hash_table);
rc=0;
}
return rc;
}
int find(const char* key, T*& item)
{
GPHENTRY* entry;
int rc;
entry=gphFind(hash_table,(char*)key,hash_table);
if(entry==0)
rc=-1;
else
{
item=(T*)entry->userPvt;
rc=0;
}
return rc;
}
};
template <class T>
class tsDLHashList : public tsDLList<T>
{
private:
tsHash<T> h;
// friend class tsDLHashIter<T>;
public:
tsDLHashList(void) { }
~tsDLHashList(void) { }
int add(const char* key, T& item)
{
int rc;
rc=h.add(key,item);
tsDLList<T>::add(item);
return rc;
}
int find(const char* key, T*& item)
{
int rc=0;
if(h.find(key,item)!=0)
rc=-1;
return rc;
}
int remove(const char* key,T*& item)
{
int rc=0;
if(h.find(key,item)==0)
{
h.remove(key,item);
tsDLList<T>::remove(*item);
}
else
rc=-1;
return rc;
}
};
template <class T>
class tsDLHashNode : public tsDLNode<T>
{
public:
T* getNext(void) { return tsDLNode<T>::getNext(); }
T* getPrev(void) { return tsDLNode<T>::getPrev(); }
};
#endif
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