/// <summary>
/// Updates the value of the scalar element identified by the given tag
/// or adds a new scalar element if one does not already exist.
/// </summary>
/// <param name="tag">The tag which identifies the scalar element to be updated.</param>
/// <param name="type">The physical type of the value contained in the scalar element.</param>
/// <param name="bytes">The value to be entered into the scalar element.</param>
/// <returns>The scalar element which was updated, or a new scalar element if one did not already exist.</returns>
public ScalarElement AddOrUpdateScalar(Guid tag, PhysicalType type, byte[] bytes)
{
ScalarElement scalarElement = GetOrAddScalar(tag);
scalarElement.TypeOfValue = type;
scalarElement.SetValue(bytes, 0);
return(scalarElement);
}
private int GetByteSize(ScalarElement scalar)
{
if ((object)scalar == null)
{
return(0);
}
return(scalar.TypeOfValue.GetByteSize());
}
// Reads a scalar element from the PQDIF file.
private ScalarElement ReadScalar(BinaryReader recordBodyReader, PhysicalType typeOfValue)
{
ScalarElement element = new ScalarElement()
{
TypeOfValue = typeOfValue
};
byte[] value = recordBodyReader.ReadBytes(typeOfValue.GetByteSize());
element.SetValue(value, 0);
return(element);
}
/// <summary>
/// Gets the scalar element identified by the given tag
/// or adds a new scalar element if one does not already exist.
/// </summary>
/// <param name="tag">The tag which identifies the scalar element to be retrieved.</param>
/// <returns>The scalar element identified by the tag, or a new scalar element if one did not already exist.</returns>
public ScalarElement GetOrAddScalar(Guid tag)
{
ScalarElement scalarElement = GetScalarByTag(tag);
if ((object)scalarElement == null)
{
scalarElement = new ScalarElement()
{
TagOfElement = tag
};
AddElement(scalarElement);
}
return(scalarElement);
}
private int GetByteSize(ScalarElement scalar)
{
if ((object)scalar == null)
return 0;
return scalar.TypeOfValue.GetByteSize();
}
private void WriteScalar(BinaryWriter writer, ScalarElement scalar)
{
writer.Write(scalar.GetValue());
}
// Reads a scalar element from the PQDIF file.
private ScalarElement ReadScalar(BinaryReader recordBodyReader, PhysicalType typeOfValue)
{
ScalarElement element = new ScalarElement()
{
TypeOfValue = typeOfValue
};
byte[] value = recordBodyReader.ReadBytes(typeOfValue.GetByteSize());
element.SetValue(value, 0);
return element;
}
private void WriteScalar(BinaryWriter writer, ScalarElement scalar)
{
writer.Write(scalar.GetValue());
}