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82 lines
2.2 KiB
C++
82 lines
2.2 KiB
C++
#ifndef _HASHCLASS_INCLUDED
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#define _HASHCLASS_INCLUDED
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#include "JudyIncludes.h"
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#include "CBaseMap.h"
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//#include <JudyHS.h>
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class Hashtable: public CBaseMap
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{
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private:
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Pvoid_t Table;
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public:
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Hashtable() { Table = NULL; }
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~Hashtable() { Clear(); }
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void Remove() { delete this; }
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Word_t Clear() { return JudyHSFreeArray(&Table, PJE0); }
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Word_t MemoryUsed() { return JudyLMemUsed(Table); }
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int Delete(char* Key) { return JudyHSDel(&Table, Key, strlen(Key), PJE0 ); }
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void Set(char* Index, Pvoid_t value, bool disable_check)
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{
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int Len = strlen(Index) + 1;
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PPvoid_t PValue = JudyHSIns(&Table, Index, Len, PJE0);
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*PValue = value;
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}
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Pvoid_t Get(char* Index, bool disable_check = false)
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{
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PPvoid_t PValue = JudyHSGet(Table, Index, strlen(Index)+1);
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if(PValue == NULL) { ThrowIndexError(Index, disable_check); return NULL; }
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return *PValue;
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}
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template <class Type>
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void Set(char* Index, Type value)
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{
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int Len = strlen(Index) + 1;
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PPvoid_t PValue = JudyHSIns(&Table, Index, Len, PJE0);
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*PValue = reinterpret_cast<void*>(value);
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}
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template <class Type>
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Type Get(char* Index, Type example, bool disable_check = false)
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{
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PPvoid_t PValue = JudyHSGet(Table, Index, strlen(Index)+1);
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if(PValue == NULL) { ThrowIndexError(Index, disable_check); return (Type)NULL; }
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return (Type)(*PValue);
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}
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char* First( char* Start = "") { ThrowSearchError(); return (char*)NULL; }
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char* Next( char* Start = "") { ThrowSearchError(); return (char*)NULL; }
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char* Prev( char* Start) { ThrowSearchError(); return (char*)NULL; }
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char* Last( char* Start) { ThrowSearchError(); return (char*)NULL; }
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bool IsFilled(char* Index) { return ( (Get(Index,(PPvoid_t)(NULL), true ) != NULL) ? true : false);}
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bool IsEmpty(char* Index) { return ( (Get(Index,(PPvoid_t)(NULL), true ) == NULL) ? true : false);}
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protected:
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void ThrowIndexError( char* index, bool disable_check = false )
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{
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if(disable_check == true) return;
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char value[100];
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sprintf(value,"Function attempted to read non existant index %s", index );
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throw JudyEx(value, true);
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}
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void ThrowSearchError( void )
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{
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char value[50];
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sprintf(value,"Function attempted to search HashTable!: Invalid action!");
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throw JudyEx(value,true);
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}
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};
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#endif |