protected string StringFieldValue(Enum fieldOrdinal, int recordNumber, bool linkToPhrase = false, bool linkToWp = false)
{
StringBuilder sb = new StringBuilder(65536);
try
{
if (this.ModernRecordLength == null)
{
Definition databaseDefinition = LoadDatabaseDefinition(fieldOrdinal);
_carsonLib.ReadFieldValueString(_stream.SafeFileHandle, this.TableId, fieldOrdinal, _dataRecords[recordNumber - 1], sb, databaseDefinition.FieldType, _isClassic);
}
else
{
AVImarkDataType dataType = AVImarkDataType.AVImarkDynamicString;
if (linkToPhrase)
{
dataType = AVImarkDataType.AVImarkLinkToPhrase;
}
else if (linkToWp)
{
dataType = AVImarkDataType.AVImarkLinkToWp;
}
_carsonLib.ReadFieldValueString(_stream.SafeFileHandle, this.TableId, FieldOffset(fieldOrdinal), _dataRecords[recordNumber - 1], sb, dataType, RecordLength());
}
return(sb.ToString());
}
catch
{
return("");
}
}
private int ComputeFieldSize(AVImarkDataType dataType)
{
int fieldSize = 0;
switch (dataType)
{
case AVImarkDataType.AVImarkCharacter:
case AVImarkDataType.AVImarkBit:
case AVImarkDataType.AVImarkByte:
case AVImarkDataType.AVImarkBool:
fieldSize = 1;
break;
case AVImarkDataType.AVImarkDate:
case AVImarkDataType.AVImarkTime:
case AVImarkDataType.AVImarkWord:
case AVImarkDataType.AVImarkInteger:
fieldSize = 2;
break;
case AVImarkDataType.AVImarkSingle:
case AVImarkDataType.AVImarkDoubleWord:
case AVImarkDataType.AVImarkImpliedDecimal:
case AVImarkDataType.AVImarkImpliedDecimal2:
case AVImarkDataType.AVImarkSignedImpliedDecimal:
case AVImarkDataType.AVImarkLongInteger:
case AVImarkDataType.AVImarkLinkToPhrase:
case AVImarkDataType.AVImarkLinkToWp:
fieldSize = 4;
break;
case AVImarkDataType.AVImarkDouble:
fieldSize = 8;
break;
case AVImarkDataType.AVImarkDynamicString:
fieldSize = 0;
break;
default:
fieldSize = 0;
break;
}
return(fieldSize);
}
protected int IntegerFieldValue(Enum fieldOrdinal, int recordNumber)
{
int intValue = 0;
if (this.ModernRecordLength == null)
{
Definition databaseDefinition = LoadDatabaseDefinition(fieldOrdinal);
if (_carsonLib.ReadFieldValueDoubleWord(_stream.SafeFileHandle, this.TableId, fieldOrdinal, _dataRecords[recordNumber - 1], ref intValue, databaseDefinition.FieldType, _isClassic) != 0)
{
//fieldOrdinal 0 is always the 'ID' field in any object Enum. If this ever returns 0, the call to retrieve the data was not successful
if (Convert.ToInt32(fieldOrdinal) == 0)
{
throw new RecordLockedException();
}
}
}
else
{
//We need to determine if this is an autonumber if this is a manual
AVImarkDataType dataType = AVImarkDataType.AVImarkLongInteger;
if (Convert.ToInt32(fieldOrdinal) == -1)
{
dataType = AVImarkDataType.AVImarkAutoNumber;
}
if (_carsonLib.ReadFieldValueDoubleWord(_stream.SafeFileHandle, this.TableId, FieldOffset(fieldOrdinal), _dataRecords[recordNumber - 1], ref intValue, dataType, RecordLength()) != 0)
{
//fieldOrdinal 0 is always the 'ID' field in any object Enum. If this ever returns 0, the call to retrieve the data was not successful
if (Convert.ToInt32(fieldOrdinal) == 0)
{
throw new RecordLockedException();
}
}
}
return(intValue);
}
public int ReadFieldValueByte(SafeFileHandle fileHandle, TableInstance table, Enum fieldOrdinal, int recordNumber, ref byte dataPointer, AVImarkDataType dataType, int?fieldLength)
{
lock (_singleThread)
{
DatabaseHandles.Main = fileHandle;
return(_readFieldValueByte2(DatabaseHandles, table, Convert.ToInt32(fieldOrdinal), recordNumber, ref dataPointer, dataType, (int)fieldLength));
}
}
public int ReadFieldValueWord(SafeFileHandle fileHandle, TableInstance table, Enum fieldOrdinal, int recordNumber, ref ushort dataPointer, AVImarkDataType dataType, bool isClassic)
{
lock (_singleThread)
{
DatabaseHandles.Main = fileHandle;
return(_readFieldValueWord(DatabaseHandles, table, Convert.ToInt32(fieldOrdinal), recordNumber, ref dataPointer, dataType, isClassic));
}
}
public int ReadFieldValueFloat(SafeFileHandle fileHandle, TableInstance table, int fieldOrdinal, int recordNumber, ref float dataPointer, AVImarkDataType dataType, int?fieldLength)
{
lock (_singleThread)
{
DatabaseHandles.Main = fileHandle;
return(_readFieldValueFloat2(DatabaseHandles, table, fieldOrdinal, recordNumber, ref dataPointer, dataType, (int)fieldLength));
}
}
