////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Get one record (index) of give mapInfo ID.
*/
public DataRowValue GetRecord(int mapInfoID)
{
int recordID = mapInfoID - 1;
if (mapInfoID < 1)
{
throw new IOException("MapInfo ID starts from 1");
}
DataReader.Seek(_reader, _offset + recordID * _recordSize);
string[] fieldValues = new string[_fields.Length];
int intValue;
int shortValue;
int stringID;
byte boolValue;
double doubleValue;
for (int i = 0; i < fieldValues.Length; i++)
{
switch (_fields[i].GetFieldType())
{
case DataField.TYPE_CHAR: //char
case DataField.TYPE_DATE: //date
stringID = DataReader.ReadInt(_reader);
fieldValues[i] = stringID.ToString();
break;
case DataField.TYPE_INTEGER: //int
intValue = DataReader.ReadInt(_reader);
fieldValues[i] = intValue.ToString();
break;
case DataField.TYPE_SMALLINT: //short
shortValue = DataReader.ReadShort(_reader);
fieldValues[i] = shortValue.ToString();
break;
case DataField.TYPE_DECIMAL: //short
case DataField.TYPE_FLOAT: //float
doubleValue = DataReader.ReadDouble(_reader);
fieldValues[i] = doubleValue.ToString();
break;
case DataField.TYPE_LOGICAL: //bool
boolValue = _reader.ReadByte();
fieldValues[i] = boolValue.ToString();
break;
}
}
//read string data.
for (int i = 0; i < fieldValues.Length; i++)
{
switch (_fields[i].GetFieldType())
{
case DataField.TYPE_CHAR: //char
case DataField.TYPE_DATE: //date
stringID = int.Parse(fieldValues[i]);
if (stringID != -1)
{
_stringIndex.GetRecord(stringID);
fieldValues[i] = _stringData.GetRecord(_stringIndex.RecordOffset);
}
else
{
fieldValues[i] = "";
}
break;
}
}
var ret = new DataRowValue(fieldValues);
return(ret);
}
////////////////////////////////////////////////////////////////////////////
//--------------------------------- REVISIONS ------------------------------
// Date Name Tracking # Description
// --------- ------------------- ------------- ----------------------
// 21JUN2009 James Shen Initial Creation
////////////////////////////////////////////////////////////////////////////
/**
* Get one record (index) of give mapInfo ID.
*/
public DataRowValue GetRecord(int mapInfoID)
{
int recordID = mapInfoID - 1;
if (mapInfoID < 1)
{
throw new IOException("MapInfo ID starts from 1");
}
DataReader.Seek(_reader, _offset + recordID * _recordSize);
string[] fieldValues = new string[_fields.Length];
int intValue;
int shortValue;
int stringID;
byte boolValue;
double doubleValue;
for (int i = 0; i < fieldValues.Length; i++)
{
switch (_fields[i].GetFieldType())
{
case DataField.TYPE_CHAR://char
case DataField.TYPE_DATE://date
stringID = DataReader.ReadInt(_reader);
fieldValues[i] = stringID.ToString();
break;
case DataField.TYPE_INTEGER://int
intValue = DataReader.ReadInt(_reader);
fieldValues[i] = intValue.ToString();
break;
case DataField.TYPE_SMALLINT://short
shortValue = DataReader.ReadShort(_reader);
fieldValues[i] = shortValue.ToString();
break;
case DataField.TYPE_DECIMAL://short
case DataField.TYPE_FLOAT://float
doubleValue = DataReader.ReadDouble(_reader);
fieldValues[i] = doubleValue.ToString();
break;
case DataField.TYPE_LOGICAL://bool
boolValue = _reader.ReadByte();
fieldValues[i] = boolValue.ToString();
break;
}
}
//read string data.
for (int i = 0; i < fieldValues.Length; i++)
{
switch (_fields[i].GetFieldType())
{
case DataField.TYPE_CHAR://char
case DataField.TYPE_DATE://date
stringID = int.Parse(fieldValues[i]);
if (stringID != -1)
{
_stringIndex.GetRecord(stringID);
fieldValues[i] = _stringData.GetRecord(_stringIndex.RecordOffset);
}
else
{
fieldValues[i] = "";
}
break;
}
}
var ret = new DataRowValue(fieldValues);
return ret;
}
