/// <summary>
/// Create Raw Read operations for Array Elements
/// </summary>
private void HandleArray(int offset, PlcArray array, KeyValuePair <string, Tuple <int, PlcObject> > item, PlcRawData pred, string dimension = "")
{
var arrayOffset = offset;
for (var i = array.From; i <= array.To; i++)
{
var index = $"[{i}]";
var element = array.ArrayType is PlcStruct
? new PlcObjectRef(index, array.ArrayType)
: PlcObjectFactory.CreatePlcObjectForArrayIndex(array.ArrayType, i, array.From);
var name = $"{item.Key}{index}";
var elemName = string.IsNullOrWhiteSpace(dimension) ? name : $"{dimension}{index}";
if (element is PlcArray)
{
pred.AddReference(elemName, arrayOffset, element);
HandleArray(arrayOffset, element as PlcArray, item, pred, name);
arrayOffset += array.ArrayType.Size.Bytes;
}
else
{
pred.AddReference(elemName, arrayOffset, element);
arrayOffset += array.ArrayType.Size.Bytes;
}
}
}
/// <summary>
/// Create Raw Read operations for Array Elements
/// </summary>
private void HandleArray(int offset, PlcArray array, KeyValuePair <string, Tuple <int, PlcObject> > item, PlcRawData pred, string dimension = "")
{
var arrayOffset = offset;
for (var i = array.From; i <= array.To; i++)
{
var element = array.ArrayType is PlcStruct
? new PlcObjectRef(string.Format("[{0}]", i), array.ArrayType)
: PlcObjectFactory.CreatePlcObjectForArrayIndex(array.ArrayType, i, array.From);
if (element is PlcArray)
{
var elemName = string.IsNullOrWhiteSpace(dimension) ? string.Format("{0}[{1}]", item.Key, i) : dimension + string.Format("[{0}]", i);
pred.AddReference(elemName, arrayOffset, element);
HandleArray(arrayOffset, element as PlcArray, item, pred, string.Format("{0}[{1}]", item.Key, i));
arrayOffset += array.ArrayType.Size.Bytes;
}
else
{
var elemName = string.IsNullOrWhiteSpace(dimension) ? string.Format("{0}[{1}]", item.Key, i) : dimension + string.Format("[{0}]", i);
pred.AddReference(elemName, arrayOffset, element);
arrayOffset += array.ArrayType.Size.Bytes;
}
}
}
/// <summary>
/// Try to get Meta data from MetaTree. If the data are not in the tree, try to create and add it.
/// All the calculation of the offsets will be made in this method. the tree has two parts, one for MetaData and one for The Mappings.
/// The mappings have only a Reference of the Meta data, so you shouldn't change the Offsets while using.
/// </summary>
private static PlcObject GetMetaData(ITree tree, Type t)
{
var nodePathStack = new Stack <string>();
var name = NormalizeTypeName(t.FullName);
nodePathStack.Push(RootNodeName);
nodePathStack.Push(MetaDataNodeName);
nodePathStack.Push(name);
var path = PlcMetaDataTreePath.CreateAbsolutePath(nodePathStack.Reverse().ToArray());
var offset = 0;
if (!tree.TryGet(path, ref offset, out var obj))
{
var byteOffset = 0;
var bitOffset = 0;
nodePathStack.Pop();
var parent = new PlcStruct(name, t);
PlcObject.AddPlcObjectToTree(parent, tree, PlcMetaDataTreePath.CreateAbsolutePath(nodePathStack.Reverse().ToArray()));
nodePathStack.Push(parent.Name);
PlcObject pred = null;
DebugOutPut("{0}{{", name);
foreach (var pi in t.GetTypeInfo().DeclaredProperties)
{
var plcObject = PlcObjectFactory.CreatePlcObject(pi);
if (plcObject is PlcArray plcObjectArray && (plcObjectArray.LeafElementType ?? plcObjectArray.ArrayType) is PlcStruct)
{
plcObjectArray.ArrayType = GetMetaData(tree, plcObjectArray.ElemenType);
}
else if (plcObject is PlcStruct)
{
plcObject = new PlcObjectRef(plcObject.Name, GetMetaData(tree, pi.PropertyType));
}
var hasCustomOffset = PlcObjectFactory.GetOffsetFromAttribute(pi, ref byteOffset, ref bitOffset);
AddPlcObject(tree, pred, plcObject, nodePathStack, ref byteOffset, ref bitOffset, hasCustomOffset);
pred = plcObject;
}