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mitlib.pub/MITLIB/Utility/DbData.h

137 lines
3.9 KiB
C++

// DbData.h: interface for the CDbData class.
//
//////////////////////////////////////////////////////////////////////
#if !defined(AFX_DBDATA_H__0D0C1496_4FEC_4915_A5FA_704DFD037931__INCLUDED_)
#define AFX_DBDATA_H__0D0C1496_4FEC_4915_A5FA_704DFD037931__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
#ifdef BUILD_UTILITYDLL
#define UTILITYDLL __declspec(dllexport)
#else
#define UTILITYDLL __declspec(dllimport)
#endif
#pragma warning ( push )
#pragma warning ( disable : 4995)
// TODO: Find alternative to deprecated Dao
/**
* @class CDbData
*
* @brief An utility class to convert Ole variables to other values.
*
*/
class UTILITYDLL CDbData
{
public:
/**
* @enum DecimalFormatEnum
*
* @brief Values that represent the string value returned by the @ref GetValueInString function.
*
* @sa GetValueInString
*/
enum DecimalFormatEnum
{
/// Return float with one decimal (%.1f)
DECIMAL_PLACES_1 = 1,
/// Return float with two decimals (%.2f)
DECIMAL_PLACES_2,
/// Return float with 3 decimals (%.3f)
DECIMAL_PLACES_3,
/// Return float (%f)
DEFAULT_PLACES,
};
/**
* @enum BoolFormatEnum
*
* @brief Values that represent BoolFormatEnum value returned by the @ref GetValueInString function.
*
* @sa GetValueInString
*/
enum BoolFormatEnum
{
/// Return as OLE BOOL: AFX_OLE_TRUE(-1) and AFX_OLE_FALSE(0)
BOOL_IN_NUM = 0,
/// Return "Yes" for true and "No" for false
YES_NO,
/// Return "Enable" for true and "Disable" for false
ENABLE_DISABLE,
};
public:
static COleVariant ConvertToOleVariant(short nType, CString csValue);
static CString GetValueInString(short nType, COleVariant ovFieldValue,
DecimalFormatEnum iDecPlaces = CDbData::DECIMAL_PLACES_1,
BoolFormatEnum iBoolFormat = CDbData::BOOL_IN_NUM);
static CString GetBoolValueAsYesNo(COleVariant ovFieldValue);
/**
* get dbBoolean data in "Enable" or "Disable" Format.
*
* @param ovFieldValue The ov field value.
*
* @return Returns "Enable" for true and "Disable" for false.
*/
static CString GetBoolValueAsEnableDisable(COleVariant ovFieldValue);
#if _MSC_VER > 1200
#pragma deprecated(GetValueAsBOOl)
#endif
// get dbBoolean data in BOOL data type
static BOOL GetValueAsBOOl(COleVariant ovFieldValue);
// get dbBoolean data in BOOL data type
static BOOL GetValueAsBOOL(COleVariant ovFieldValue);
// get dbBoolean data as bool
static bool GetValueAsBool(COleVariant ovFieldValue);
// get dbByte data in BYTE data type
static BYTE GetValueAsBYTE(COleVariant ovFieldValue);
// get dbInteger data in BYTE data type
static int GetValueAsInt(COleVariant ovFieldValue);
// get dbLong data in long data type
static long GetValueAsLong(COleVariant ovFieldValue);
// get dbCurrency data in COleCurrent data type
static COleCurrency GetValueAsCOleCurrency(COleVariant ovFieldValue);
// get dbSingle data in Single data type
static float GetValueAsSingle(COleVariant ovFieldValue);
// get dbDouble data in double data type
static double GetValueAsDouble(COleVariant ovFieldValue);
// get dbDate data in COleDateTime data type
static COleDateTime GetValueAsCOleDateTime(COleVariant ovFieldValue);
// get dbText in CString data type
static CString GetValueAsString(COleVariant ovFieldValue);
static CString GetFieldData(CDaoRecordset &ExistPkgRS, CDaoFieldInfo daoFieldInfo);
private:
// default constructor
CDbData();
// default destructor
virtual ~CDbData();
};
#pragma warning( pop )
#endif // !defined(AFX_DBDATA_H__0D0C1496_4FEC_4915_A5FA_704DFD037931__INCLUDED_)