/// <summary>
/// The AddBlock method adds an instance of a FIX component
/// block to the dictionary. If there is already an instance
/// of a component block with the same name, an operation is
/// not allowed and an ArgumentException is thrown.
/// </summary>
/// <param name="dxBlock">
/// The FIX component block definition that is to be added.
/// </param>
public void AddBlock(FixDxBlock dxBlock)
{
if (_mapBlocksByName.ContainsKey(dxBlock.Name))
{
string error = string.Format("Dictionary already contains a block named {0}.", dxBlock.Name);
throw new ArgumentException(error);
}
_mapBlocksByName.Add(dxBlock.Name, dxBlock);
_blkElements.Add(dxBlock);
}
/// <summary>
/// The CloneBlock method is invoked to create a copy of an
/// instance of a component block definition.
/// </summary>
/// <param name="source">
/// The component block to be duplicated.
/// </param>
/// <returns>
/// The resulting clone of the supplied block.
/// </returns>
private FixDxBlock CloneBlock(FixDxBlock source)
{
FixDxBlock result = new FixDxBlock(source.Name, source.Category, source.Field);
foreach (IFixDxElement dxElement in source.Elements)
{
result.Elements.Add(CloneElement(dxElement));
}
return result;
}
/// <summary>
/// The PopulateBlocks method populates the blocks section
/// of the supplied VFX dictionary with all of the blocks
/// that are defined in the supplied XML dictionary.
/// </summary>
/// <param name="source">
/// The source dictionary for the block elements.
/// </param>
/// <param name="target">
/// The target dictionary for the converted elements.
/// </param>
private static void PopulateBlocks(XmlDictionary source, FixDictionary target)
{
foreach (XmlFixDxBlock src in source.Blocks.Entries)
{
FixDxBlock dst = new FixDxBlock(src.Name);
dst.Type = (FixDxBlockTypes)Enum.Parse(typeof(FixDxBlockTypes), src.Type);
dst.Field = src.Field;
dst.Category = src.Category;
foreach (IFixDxElement element in TranslateElements(src.Elements))
{
dst.Elements.Add(element);
}
target.AddBlock(dst);
}
}
