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/* FILE IDENTIFICATION
**
** File Name: hashtable.h
** Author: Kevin Rosenberg
** Purpose: Header file for hash table library
** Date Started: Dec. 2000
**
** This is part of the CTSim program
** Copyright (c) 1983-2009 Kevin Rosenberg
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License (version 2) as
** published by the Free Software Foundation.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
** GNU General Public License for more details.
**
** You should have received a copy of the GNU General Public License
** along with this program; if not, write to the Free Software
** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
******************************************************************************/
#ifndef HASHTABLE_H
#define HASHTABLE_H
class KeywordCodeEntry
{
private:
std::string m_strKeyword;
int m_iCode;
class KeywordCodeEntry *m_pNext;
public:
KeywordCodeEntry (const char* const pszKeyword, int iCode);
const char* const getKeyword() const
{ return m_strKeyword.c_str(); }
bool matchesKeyword (const char* const pszMatch) const;
int getCode () const
{ return m_iCode; }
void setCode (int iCode)
{ m_iCode = iCode; }
void setNext (KeywordCodeEntry* pNext)
{ m_pNext = pNext; }
KeywordCodeEntry* getNext ()
{ return m_pNext; }
};
class KeywordCodeHashTable {
public:
enum {
HASHSIZE = 100,
};
KeywordCodeHashTable()
{ initTable(); }
~KeywordCodeHashTable()
{ freeTable(); }
void installKeywordCode (const char* const pszKeyword, int iCode);
KeywordCodeEntry* lookup (const char* const pszKeyword);
private:
KeywordCodeEntry* m_hashTable[HASHSIZE];
int hash (const char* s);
void initTable ();
void freeTable ();
};
#endif
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