📄 hashtable.h
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/************************************************************************************
Copyright (c) 2000 Aaron O'Neil
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met:
1) Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
2) Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3) Redistributions in binary form must reproduce the above copyright notice on
program startup. Additional credits for program modification are acceptable
but original copyright and credits must be visible at startup.
4) You may charge a reasonable copying fee for any distribution of Mud Master.
You may charge any fee you choose for support of Mud Master. You may not
charge a fee for Mud Master itself.
THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
**************************************************************************************/
// Number of entries in the table.
#define HASH_NUM 256
// An emtpy index.
#define HASHITEM_EMPTY -1
struct HASHITEM
{
int nStart;
int nEnd;
};
class CHashTable
{
public:
CHashTable();
~CHashTable();
// Sets all items in the table to NULL.
void Clear();
BOOL SetAt(UINT nEntry, int nStart, int nEnd);
HASHITEM* GetAt(UINT nEntry);
HASHITEM* operator[](UINT nEntry);
private:
HASHITEM m_hiTable[HASH_NUM];
};
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