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C Programming Starter Kit 2.0
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SamsPublishing-CProgrammingStarterKit-v2.0-Win31.iso
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bc45
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classinc.pak
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DICT.H
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1997-07-23
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/*------------------------------------------------------------------------*/
/* */
/* DICT.H */
/* */
/* Copyright (c) 1993, 1994 Borland International */
/* All Rights Reserved */
/* */
/*------------------------------------------------------------------------*/
#if !defined( CLASSLIB_DICT_H )
#define CLASSLIB_DICT_H
#if !defined( CLASSLIB_DEFS_H )
#include <classlib/defs.h>
#endif
#if !defined( CLASSLIB_SHDDEL_H )
#include <classlib/shddel.h>
#endif
#if !defined( CLASSLIB_HASHIMP_H )
#include <classlib/hashimp.h>
#endif
#pragma option -Vo-
#if defined( BI_CLASSLIB_NO_po )
#pragma option -po-
#endif
/*------------------------------------------------------------------------*/
/* */
/* template <class T,class A> class TMDictionaryAsHashTable */
/* template <class T,class A> class TMDictionaryAsHashTableIterator */
/* */
/* Managed dictionary and iterator */
/* */
/* Implements the dictionary container using a hash table. Assumes */
/* that T is of class TAssociation. */
/* */
/*------------------------------------------------------------------------*/
template <class T,class A> class TMDictionaryAsHashTableIterator;
template <class T,class A> class TMDictionaryAsHashTable :
public TShouldDelete
{
public:
friend class TMDictionaryAsHashTableIterator<T,A>;
TMDictionaryAsHashTable( unsigned size = DEFAULT_HASH_TABLE_SIZE ) :
HashTable(size)
{
}
int Add( const T& t )
{
return Find( t ) ? 0 : HashTable.Add( t );
}
int Detach( const T& t, DeleteType dt = DefDelete );
T *Find( const T& t )
{
return HashTable.Find( t );
}
void Flush( DeleteType dt = DefDelete );
void ForEach( void (*func)(T&, void *),
void *args )
{
HashTable.ForEach( func, args );
}
unsigned GetItemsInContainer() const
{
return HashTable.GetItemsInContainer();
}
int IsEmpty() const
{
return HashTable.IsEmpty();
}
protected:
TMHashTableImp<T,A> HashTable;
private:
static void DeleteElement( T& t, void * );
};
template <class T, class A>
int TMDictionaryAsHashTable<T,A>::Detach( const T& t,
DeleteType dt = DefDelete )
{
if( DelObj(dt) )
{
T *assoc = Find(t);
if( assoc )
assoc->DeleteElements();
}
return HashTable.Detach( t );
}
template <class T, class A>
void TMDictionaryAsHashTable<T,A>::Flush( DeleteType dt = DefDelete )
{
if( DelObj(dt) )
{
HashTable.ForEach( DeleteElement, 0 );
}
HashTable.Flush();
}
template <class T, class A>
void TMDictionaryAsHashTable<T,A>::DeleteElement( T& t, void * )
{
t.DeleteElements();
}
template <class T,class A>
class TMDictionaryAsHashTableIterator :
public TMHashTableIteratorImp<T,A>
{
public:
TMDictionaryAsHashTableIterator( const TMDictionaryAsHashTable<T,A>& t ) :
TMHashTableIteratorImp<T,A>( t.HashTable )
{
}
};
/*------------------------------------------------------------------------*/
/* */
/* template <class T> class TDictionaryAsHashTable */
/* template <class T> class TDictionaryAsHashTableIterator */
/* */
/* Standard dictionary and iterator */
/* */
/*------------------------------------------------------------------------*/
template <class T> class TDictionaryAsHashTable :
public TMDictionaryAsHashTable<T,TStandardAllocator>
{
public:
TDictionaryAsHashTable( unsigned size = DEFAULT_HASH_TABLE_SIZE ) :
TMDictionaryAsHashTable<T,TStandardAllocator>(size)
{
}
};
template <class T>
class TDictionaryAsHashTableIterator :
public TMDictionaryAsHashTableIterator<T,TStandardAllocator>
{
public:
TDictionaryAsHashTableIterator( const TDictionaryAsHashTable<T>& t ) :
TMDictionaryAsHashTableIterator<T,TStandardAllocator>( t )
{
}
};
/*------------------------------------------------------------------------*/
/* */
/* template <class T,class A> class TMIDictionaryAsHashTable */
/* template <class T,class A> class TMIDictionaryAsHashTableIterator */
/* */
/* Managed indirect dictionary and iterator */
/* */
/*------------------------------------------------------------------------*/
template <class T,class A> class TMIDictionaryAsHashTableIterator;
template <class T,class A> class TMIDictionaryAsHashTable :
public TShouldDelete
{
public:
friend class TMIDictionaryAsHashTableIterator<T,A>;
TMIDictionaryAsHashTable( unsigned size = DEFAULT_HASH_TABLE_SIZE ) :
HashTable(size)
{
}
int Add( T *t )
{
return Find( t ) ? 0 : HashTable.Add( t );
}
int Detach( T *t, DeleteType dt = DefDelete );
T *Find( T *t )
{
return HashTable.Find( t );
}
void Flush( DeleteType dt = DefDelete );
void ForEach( void (*func)(T&, void *),
void *args )
{
HashTable.ForEach( func, args );
}
unsigned GetItemsInContainer() const
{
return HashTable.GetItemsInContainer();
}
int IsEmpty() const
{
return HashTable.IsEmpty();
}
protected:
TMIHashTableImp<T,A> HashTable;
private:
static void DeleteElement( T& t, void * );
};
template <class T, class A>
int TMIDictionaryAsHashTable<T,A>::Detach( T *t, DeleteType dt = DefDelete )
{
if( DelObj(dt) )
{
T *assoc = Find(t);
if( assoc )
assoc->DeleteElements();
}
return HashTable.Detach( t, DelObj(dt) );
}
template <class T, class A>
void TMIDictionaryAsHashTable<T,A>::Flush( DeleteType dt = DefDelete )
{
if( DelObj(dt) )
{
HashTable.ForEach( DeleteElement, 0 );
}
HashTable.Flush(DelObj(dt));
}
template <class T, class A>
void TMIDictionaryAsHashTable<T,A>::DeleteElement( T& t, void * )
{
t.DeleteElements();
}
template <class T,class A>
class TMIDictionaryAsHashTableIterator :
public TMIHashTableIteratorImp<T,A>
{
public:
TMIDictionaryAsHashTableIterator( const TMIDictionaryAsHashTable<T,A>& t ) :
TMIHashTableIteratorImp<T,A>( t.HashTable )
{
}
};
/*------------------------------------------------------------------------*/
/* */
/* template <class T> class TIDictionaryAsHashTable */
/* template <class T> class TIDictionaryAsHashTableIterator */
/* */
/* Standard indirect dictionary and iterator */
/* */
/*------------------------------------------------------------------------*/
template <class T> class TIDictionaryAsHashTableIterator;
template <class T> class TIDictionaryAsHashTable :
public TMIDictionaryAsHashTable<T,TStandardAllocator>
{
public:
friend class TIDictionaryAsHashTableIterator<T>;
TIDictionaryAsHashTable( unsigned size = DEFAULT_HASH_TABLE_SIZE ) :
TMIDictionaryAsHashTable<T,TStandardAllocator>(size)
{
}
};
template <class T> class TIDictionaryAsHashTableIterator :
public TMIDictionaryAsHashTableIterator<T,TStandardAllocator>
{
public:
TIDictionaryAsHashTableIterator( const TIDictionaryAsHashTable<T>& t ) :
TMIDictionaryAsHashTableIterator<T,TStandardAllocator>( t )
{
}
};
/*------------------------------------------------------------------------*/
/* */
/* template <class T> class TDictionary */
/* template <class T> class TDictionaryIterator */
/* */
/* Easy names for TDictionaryAsHashTable and */
/* TDictionaryAsHashTableIterator */
/* */
/*------------------------------------------------------------------------*/
template <class T> class TDictionary :
public TDictionaryAsHashTable<T>
{
public:
TDictionary( unsigned size = DEFAULT_HASH_TABLE_SIZE ) :
TDictionaryAsHashTable<T>( size )
{
}
};
template <class T> class TDictionaryIterator :
public TDictionaryAsHashTableIterator<T>
{
public:
TDictionaryIterator( const TDictionary<T>& a ) :
TDictionaryAsHashTableIterator<T>(a)
{
}
};
#if defined( BI_CLASSLIB_NO_po )
#pragma option -po.
#endif
#pragma option -Vo.
#endif // CLASSLIB_DICT_H