126 lines
3.3 KiB
C
126 lines
3.3 KiB
C
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// SymbolTable.h: interface for the CSymbolTable class.
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//
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// (c) Copyright Schlumberger Technology Corp., unpublished work, created
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// 1999. This computer program includes Confidential, Proprietary
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// Information and is a Trade Secret of Schlumberger Technology Corp. All
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// use, disclosure, and/or reproduction is prohibited unless authorized
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// in writing. All Rights Reserved.
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//////////////////////////////////////////////////////////////////////
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#if !defined(SLBCCI_SYMBOLTABLE_H)
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#define SLBCCI_SYMBOLTABLE_H
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#include <memory> // for auto_ptr
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#include <string>
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#include <vector>
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#include <scuArrayP.h>
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#include "slbarch.h"
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namespace cci {
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class CSymbolTable
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{
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friend class CFreeBlock;
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public:
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CSymbolTable(iop::CSmartCard &rSmartCard,
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const std::string &rPath,
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unsigned short Offset);
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virtual ~CSymbolTable();
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std::string Find(SymbolID const &rsid);
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bool Find(std::string const &rsOrig,
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SymbolID *sid);
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SymbolID Add(std::string const &strNew, ShareMode mode=smShared);
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bool Remove(SymbolID const &rsid);
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void Replace(SymbolID const &rsid, std::string const &strUpd);
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unsigned short NumSymbols();
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unsigned short FirstFreeBlock();
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void FirstFreeBlock(unsigned short sFree);
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unsigned short TableSize();
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WORD Hash(std::string const &rstr);
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std::vector<std::string> CSymbolTable::EnumStrings();
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void Compress();
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void Reset();
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void DumpState();
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unsigned short FreeSpace();
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private:
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void
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ClearTableEntry(BYTE const &rsid);
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void
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UpdateTableEntry(BYTE const &rsid,
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WORD wNewHash,
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WORD wNewOffset,
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WORD wNewLength);
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BYTE RefCount(BYTE const &sidx);
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void GetSymbolTable();
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void SelectSymbolFile();
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void ReadSymbolFile(const WORD wOffset, const WORD wDataLength, BYTE* bDATA);
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void WriteSymbolFile(const WORD wOffset, const WORD wDataLength, const BYTE* bDATA);
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iop::CSmartCard &m_rSmartCard;
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unsigned short m_Offset;
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scu::AutoArrayPtr<std::string> m_aastrCachedStrings;
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scu::AutoArrayPtr<bool> m_aafCacheMask;
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scu::AutoArrayPtr<unsigned short> m_aasHashTable;
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scu::AutoArrayPtr<unsigned short> m_aasOffsetTable;
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scu::AutoArrayPtr<unsigned short> m_aasLengthTable;
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bool m_fSymbolTableLoaded;
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std::string m_Path;
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CArchivedValue<unsigned short> m_sMaxNumSymbols;
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CArchivedValue<unsigned short> m_sFirstFreeBlock;
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CArchivedValue<unsigned short> m_sTableSize;
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};
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class CFreeBlock
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{
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public:
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CFreeBlock(CSymbolTable *pSymTable, unsigned short sStartLocation);
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virtual ~CFreeBlock() {};
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std::auto_ptr<CFreeBlock>
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Next();
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void
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Update();
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unsigned short m_sStartLoc;
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unsigned short m_sBlockLength;
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unsigned short m_sNextBlock;
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private:
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CSymbolTable *m_pSymbolTable;
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};
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const unsigned short SymbNumSymbolLoc = 0; // Location of Number of symbols
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const unsigned short SymbFreeListLoc = 1; // Location of Free list
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const unsigned short SymbTableSizeLoc = 3; // Location of symbol table size
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const unsigned short SymbHashTableLoc = 5; // Location of hash table
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}
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#endif // !defined(SLBCCI_SYMBOLTABLE_H)
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