Serious-Engine/Sources/Engine/Templates/NameTable.h
2016-03-11 15:57:17 +02:00

60 lines
1.7 KiB
C++

/* Copyright (c) 2002-2012 Croteam Ltd. All rights reserved. */
#if !defined(TYPE) || !defined(CNameTableSlot_TYPE) || !defined(CNameTable_TYPE)
#error
#endif
#include <Engine/Templates/StaticArray.h>
class CNameTableSlot_TYPE {
public:
ULONG nts_ulKey; // hashing key
TYPE *nts_ptElement; // the element inhere
CNameTableSlot_TYPE(void) { nts_ptElement = NULL; };
void Clear(void) { nts_ptElement = NULL; };
};
/*
* Template class for storing pointers to objects for fast access by name.
*/
class CNameTable_TYPE {
// implementation:
public:
INDEX nt_ctCompartments; // number of compartments in table
INDEX nt_ctSlotsPerComp; // number of slots in one compartment
INDEX nt_ctSlotsPerCompStep; // allocation step for number of slots in one compartment
CStaticArray<CNameTableSlot_TYPE > nt_antsSlots; // all slots are here
// internal finding
CNameTableSlot_TYPE *FindSlot(ULONG ulKey, const CTString &strName);
// expand the name table to next step
void Expand(void);
// interface:
public:
// default constructor
CNameTable_TYPE(void);
// destructor -- frees all memory
~CNameTable_TYPE(void);
// remove all slots, and reset the nametable to initial (empty) state
void Clear(void);
/* Set allocation parameters. */
void SetAllocationParameters(
INDEX ctCompartments, INDEX ctSlotsPerComp, INDEX ctSlotsPerCompStep);
// find an object by name
TYPE *Find(const CTString &strName);
// add a new object
void Add(TYPE *ptNew);
// remove an object
void Remove(TYPE *ptOld);
// remove all objects but keep slots
void Reset(void);
// get estimated efficiency of the nametable
CTString GetEfficiency(void);
};