#ifndef RIPDB_H_INCLUDED
#define RIPDB_H_INCLUDED

#ifndef IOHANDLER_H_INCLUDED
#include "iohandler.h"
#endif

#ifndef ISO_H_INCLUDED
#include "iso.h"
#endif

class RipDb;

class RipCursor {
protected:
	// Private types
	enum StatementType {
		InsertStatement,
		SelectStatement,
		ActionStatement
	};

	// Construction/destruction
	RipCursor();
	virtual ~RipCursor();
public:
	virtual void PrepareInsert(char *pszTable, unsigned nFields,
	                           char **ppszFieldNames, iso_char **ppszValues,
														 unsigned *pnMaxLengths);
	virtual void PrepareSelect(char *pszStatement);
  virtual void PrepareAction(char *pszStatement);
	virtual void DefineOutputColumn(unsigned nCol, char *pszVar,
	                                unsigned nMaxLen, bool *pbIsNull) = 0;
	virtual void Execute() = 0;
	virtual bool Fetch() = 0;
	virtual void Destroy();

protected:
	char *m_pszStatement;
	enum StatementType m_stType;

friend class RipDb;
};

class RipDb : public IOHandler {
public:
	// Construction/destruction
	RipDb(RipObject *pFile = NULL, RipDb *pMaster = NULL);

	// IOHandler Methods
  virtual IOHandler *Create(RipObject *pFile) = 0;
	virtual void Truncate();
	virtual void Open(char *pszMode);
	virtual void Add();
	virtual void CreateIndexes();
	virtual void Rewind();
	virtual bool ReadRecord();
	virtual void Close();

protected:
	// Implementation
	virtual void Execute(char *pszStatement);
	virtual RipCursor *CreateCursor() = 0;
	virtual void Disconnect() = 0;
	virtual void Destroy();
	void SetupForDb();
	virtual ~RipDb();

	RipDb *m_pMaster;
	RipCursor *m_pCursor;
	bool m_bBOF;
	bool m_bEOF;
	bool *m_pbIsNull;
};

#endif // ! defined(RIPDB_H_INCLUDED)