#include "stdafx.h"
#include "UIIVariantUtility.h"

CUIIVariantUtility::CUIIVariantUtility()
{

}

CUIIVariantUtility::~CUIIVariantUtility()
{

}

BOOL CUIIVariantUtility::Variant2String(const _variant_t& var, CString& sText)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		sText = (LPCTSTR)(_bstr_t)var;
		sText.TrimRight();
		sText.TrimLeft();
		return TRUE;
	}
	else
	{
		sText.Empty();
		return FALSE;
	}
}

BOOL CUIIVariantUtility::bstr_t2String(_bstr_t bstr,CString& sText)
{
	sText = (LPCTSTR)bstr;
	sText.TrimRight();
	sText.TrimLeft();
	return TRUE;
}

BOOL CUIIVariantUtility::DataTypeEnum2String(int nIndex,CString& sText)
{
	if(nIndex == 0)
	{
		sText = "adEmpty";
	}
	else if(nIndex == 16)
	{
		sText = "tinyint";
	}
	else if(nIndex == 2)
	{
		sText = "smallint";
	}
	else if(nIndex == 3)
	{
		sText = "integer";
	}
	else if(nIndex == 20)
	{
		sText = "bigint";
	}
	else if(nIndex == 131)
	{
		sText = "numeric";
	}
	else if(nIndex == 5)
	{
		sText = "double";
	}
	else if(nIndex == 11)
	{
		sText == "boolean";
	}
	else if(nIndex == 200)
	{
		sText = "varchar";
	}
	else if(nIndex == 201)
	{
		sText = "text";
	}
	else if(nIndex == 204)
	{
		sText = "varbinary";
	}
	else if(nIndex == 14)
	{
		sText = "float";
	}
	else if(nIndex == 133)
	{
		sText = "datetime";
	}
	return TRUE;
}

BOOL CUIIVariantUtility::Variant2Long(_variant_t& var, LONG& lValue)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		lValue = (LONG)var;
		return TRUE;
	}
	else
	{
		lValue = 0l;
		return FALSE;
	}
}

BOOL CUIIVariantUtility::Variant2Double(_variant_t& var, double& dValue)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		dValue = (double)var;
		return TRUE;
	}
	else
	{
		dValue = 0.0;
		return FALSE;
	}
}

BOOL CUIIVariantUtility::Variant2Float(_variant_t& var, float& fValue)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		fValue = (float)var;
		return TRUE;
	}
	else
	{
		fValue = 0.0f;
		return FALSE;
	}
}

BOOL CUIIVariantUtility::Variant2Int(_variant_t& var, int& iValue)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		iValue = (LONG)var;
		return TRUE;
	}
	else
	{
		iValue = 0;
		return FALSE;
	}
}

BOOL CUIIVariantUtility::Variant2Short(_variant_t& var, short& nValue)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		nValue = (short)var;
		return TRUE;
	}
	else
	{
		nValue = 0;
		return FALSE;
	}
}

BOOL CUIIVariantUtility::Variant2Bool(_variant_t& var, BOOL& bValue)
{
	if (var.vt != VT_EMPTY && var.vt != VT_NULL)
	{
		bValue = (bool)var;
		return TRUE;
	}
	else
	{
		bValue = FALSE;
		return FALSE;
	}
}