107 lines
2.1 KiB
C++
107 lines
2.1 KiB
C++
#pragma once
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#include "DBFDef.h"
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#include "DBFFields.h"
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#include "DBTMemoFile.h"
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#include "FPTMemoFile.h"
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#include "SMTMemoFile.h"
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#include "DBFException.h"
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void TGSetFieldValue(DBF_CHAR* pRec, FIELD_REC* pFieldRec, const COleVariant& varValue);
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long TGGetFieldValue(DBF_CHAR* pRec, FIELD_REC* pFieldRec, COleVariant& varValue);
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// CDBFTableDef - a DBF TableDef
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class CDBFTableDef : public CObject
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{
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friend class CDBFRecordset;
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friend class CDBFCursorset;
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friend class CDBFMemCursorset;
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DECLARE_DYNAMIC(CDBFTableDef)
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// Constructors
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public:
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CDBFTableDef();
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BOOL Open(LPCTSTR lpszName, UINT nOpenFlag = TG_DBF_USE_EXCLUSIVE);
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void Close();
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// Attributes
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public:
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DBF_HEAD m_DBFHead;
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BOOL IsOpen() const;
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CTDbfString GetName();
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CTDbfString GetDBFilePath();
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CTime GetDateCreated();
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CTime GetDateLastUpdated();
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long GetRecordCount();
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// Overridables
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public:
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// Operations
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public:
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BOOL CreateTable(LPCTSTR lpszName);
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void ModifyTable();
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BOOL UpdateTable();
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void CancelUpdateTable();
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void AddField(FIELD_REC* pFieldRec);
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void InsertField(short nIndex, FIELD_REC* pFieldRec);
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void MoveField(short nIndex, short nNewIndex);
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void ModifyField(short nIndex, FIELD_REC* pFieldRec);
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void DeleteField(short nIndex);
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short GetFieldCount();
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// Implementation
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public:
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~CDBFTableDef();
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#ifdef _DEBUG
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virtual void AssertValid() const;
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virtual void Dump(CDumpContext& dc) const;
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#endif
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CDBFFields m_DBFFields;
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protected:
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BOOL ChangeOpenFlag(UINT nNewFlag);
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BOOL m_bOpen;
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BOOL m_bNew;
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UINT m_nOpenFlag;
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CFile m_DBFile;
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CMemoFile* m_pMemoFile;
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enum EditMode
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{
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noMode,
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modify,
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create
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};
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UINT m_nEditMode;
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BOOL ReadHeader();
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void WriteHeader();
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void ReadRecord(LONG_PTR lRecNumber, void* lpBuffer);
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void WriteRecord(long lRecNumber, void* lpBuffer);
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void ReadMemoRecord(DBF_ULONG lOffsetRec, DBF_LONG& nLen, CTDbfString& strMemo);
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void ReadMemoRecord(DBF_ULONG lOffsetRec, DBF_LONG& nLen, unsigned char** pMemoData);
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void WriteMemoRecord(DBF_ULONG& lOffsetRec, DBF_LONG& nLen, CTDbfString& strMemo);
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private:
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DBF_HEAD* m_pOldDBFHead;
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CDBFFields* m_pOldDBFFields;
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DBF_INT* m_pSwapFld;
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};
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