OgdcBool OgdcFeatureMdb::GetValue( OgdcInt nIndex, OgdcVariant& varValue )
{
OgdcByte* pByte = m_fieldValues.GetAt(nIndex);
if (pByte == NULL)
{
varValue.Clear();
return TRUE;
}
OgdcInt nSize = m_fieldDefines.ElementAt(nIndex).m_nSize;
OgdcByte* pData /*= new OgdcByte[nSize]*/;
pData = m_fieldValues.GetAt(nIndex);
OgdcByte* pDataMirror = pData;
switch (m_fieldDefines.GetAt(nIndex).m_nType)
{
case OgdcFieldInfo::Boolean:
case OgdcFieldInfo::Byte:
{
OgdcByte* nValue = new OgdcByte[nSize];
memcpy(nValue, pDataMirror, nSize);
varValue = *nValue;
nValue = NULL;
}
break;
case OgdcFieldInfo::INT16:
{
OgdcShort* nValue = new OgdcShort;
memcpy(nValue, pDataMirror, nSize);
varValue = *nValue;
delete nValue;
nValue = NULL;
}
break;
case OgdcFieldInfo::INT32:
{
OgdcInt* nValue = new OgdcInt;
memcpy(nValue, pDataMirror, nSize);
varValue = *nValue;
delete nValue;
nValue = NULL;
}
break;
case OgdcFieldInfo::INT64:
{
OgdcLong* nValue = new OgdcLong;
memcpy(nValue, pDataMirror, nSize);
varValue = *nValue;
delete nValue;
nValue = NULL;
}
break;
case OgdcFieldInfo::Double:
{
OgdcDouble* dValue = new OgdcDouble;
memcpy(dValue, pDataMirror, nSize);
varValue = *dValue;
delete dValue;
dValue = NULL;
}
break;
case OgdcFieldInfo::Float:
{
OgdcFloat* dValue = new OgdcFloat;
memcpy(dValue, pDataMirror, nSize);
varValue = *dValue;
delete dValue;
dValue = NULL;
}
break;
case OgdcFieldInfo::Text:
case OgdcFieldInfo::Char:
case OgdcFieldInfo::NText:
{
OgdcString strTemp = OgdcString((OgdcChar*)pByte);
strTemp.SetCharset(GetCharset());
varValue = strTemp;
}
break;
case OgdcFieldInfo::Date:
case OgdcFieldInfo::Time:
case OgdcFieldInfo::TimeStamp:
{
OgdcDouble* dValue = new OgdcDouble[nSize];
memcpy(dValue, pDataMirror, nSize);
OgdcTime dateTime = *dValue;
varValue = dateTime;
dValue = NULL;
}
break;
case OgdcFieldInfo::LongBinary:
{
OgdcByte* pValues = new OgdcByte[nSize];
memcpy(pValues, pDataMirror, nSize);
varValue.Clear();
varValue.Set(pValues, nSize);
pValues = NULL;
}
break;
case OgdcFieldInfo::Geometry:
default:
{
varValue.Clear();
return FALSE;
}
break;
}
pData = NULL;
pDataMirror = NULL;
return TRUE;
}
OgdcBool OgdcFeatureMdb::SetValue( OgdcInt nIndex, const OgdcVariant& varValue )
{
if (nIndex >= m_fieldValues.GetSize())
{
return FALSE;
}
OgdcByte* pData = new OgdcByte[m_fieldDefines.ElementAt(nIndex).m_nSize];
OgdcByte* pDataMirror = pData;
switch (m_fieldDefines.ElementAt(nIndex).m_nType)
{
case OgdcFieldInfo::Boolean:
case OgdcFieldInfo::Byte:
{
OgdcByte nResult = (OgdcByte)varValue.ToInt();
memcpy(pDataMirror, &nResult,sizeof(OgdcByte));
break;
}
case OgdcFieldInfo::INT16:
{
OgdcShort nResult = (OgdcShort)varValue.ToInt();
memcpy(pDataMirror, &nResult,sizeof(OgdcShort));
break;
}
case OgdcFieldInfo::INT32:
{
OgdcInt nResult = varValue.ToInt();
memcpy(pDataMirror, &nResult, sizeof(OgdcInt));
break;
}
case OgdcFieldInfo::INT64:
{
OgdcLong nResult = varValue.ToLong();
memcpy(pDataMirror, &nResult, sizeof(OgdcLong));
break;
}
case OgdcFieldInfo::Float:
{
OgdcFloat fResult = (OgdcFloat)varValue.ToDouble();
memcpy(pDataMirror, &fResult, sizeof(OgdcFloat));
break;
}
case OgdcFieldInfo::Double:
{
OgdcDouble dResult = varValue.ToDouble();
memcpy(pDataMirror, &dResult, sizeof(OgdcDouble));
break;
}
case OgdcFieldInfo::Text:
case OgdcFieldInfo::Char:
case OgdcFieldInfo::NText:
{
OgdcString strTemp = varValue.ToString();
strTemp.SetCharset(m_nCharset);
OgdcInt nLength = strTemp.GetLength() + 1;
OgdcInt nByteSize = nLength * sizeof(OgdcChar);
OgdcByte* pByte1 = new OgdcByte[nByteSize];
memset(pByte1, 0, nByteSize);
strcpy((char*)pByte1, (char*)strTemp.Cstr());
m_fieldValues.SetAt(nIndex, pByte1);
delete pData;
pData = NULL;
pByte1 = NULL;
return TRUE;
}
case OgdcFieldInfo::Date:
case OgdcFieldInfo::Time:
case OgdcFieldInfo::TimeStamp:
{
if (varValue.GetType() == OgdcVariant::Time)
{
memcpy(pDataMirror, &varValue.GetValue().tmVal,sizeof(OgdcDouble));
}
break;
}
case OgdcFieldInfo::LongBinary:
{
if (varValue.GetType() == OgdcVariant::Binary)
{
OgdcInt nLength = varValue.m_value.binVal.nSize;
nLength = OGDCMIN(m_fieldDefines.ElementAt(nIndex).m_nSize, nLength);
memcpy(pDataMirror, varValue.m_value.binVal.pVal, nLength);
m_fieldValues.SetAt(nIndex, pData);
delete pData;
pData = NULL;
return TRUE;
}
break;
}
case OgdcFieldInfo::Geometry:
default:
return FALSE;
}
if (pData == NULL)
{
pData = new OgdcByte[m_fieldDefines.ElementAt(nIndex).m_nSize];
}
delete m_fieldValues.ElementAt(nIndex);
m_fieldValues.SetAt(nIndex, pData);
//!!这里不能删除，不然外面又没值
// delete pData;
pData = NULL;
pDataMirror = NULL;
return TRUE;
}