protected virtual void OnRead(IXmlCodeReader reader, XmlNode node)
{
//get local variable from method component list based on _memberId
XmlNode varNode = DesignUtil.GetMethodVariableNode(node.OwnerDocument.DocumentElement, _memberId);
if (varNode == null)
{
LocalVariable v = LocalVariable.GetUnsavedLocalVariable(_classId, _memberId);
if (v == null)
{
//it can be a variable in an exception handler
//get method id
UInt32 methodId = 0;
XmlNode mn = node;
while (mn != null)
{
methodId = XmlUtil.GetAttributeUInt(mn, XmlTags.XMLATT_ScopeId);
if (methodId != 0)
{
break;
}
mn = mn.ParentNode;
}
if (methodId != 0)
{
ClassPointer root = ((XmlObjectReader)reader).ObjectList.GetTypedData <ClassPointer>();
MethodClass mc = root.GetCustomMethodById(methodId);
if (mc != null)
{
v = mc.GetLocalVariable(_memberId);
}
}
else
{
DesignUtil.WriteToOutputWindowAndLog("Error reading local variable. Variable node not found [{0},{1}]", _classId, _memberId);
}
}
if (v != null)
{
_name = v.Name;
_type = v.ClassType;
_owner = v._owner;
_instance = v._instance;
_nameChecker = v._nameChecker;
_debug = v._debug;
}
}
else
{
_name = XmlUtil.GetNameAttribute(varNode);
Type t = XmlUtil.GetLibTypeAttribute(varNode);
if (t != null)
{
if (t.Equals(typeof(ParameterClass)))
{
MethodClass mc = _owner as MethodClass;
if (mc != null)
{
_type = (DataTypePointer)Activator.CreateInstance(t, mc);
}
}
else
{
_type = (DataTypePointer)Activator.CreateInstance(t);
}
reader.ReadObjectFromXmlNode(varNode, _type, t, this);
}
else
{
UInt32 id = XmlUtil.GetAttributeUInt(node, XmlTags.XMLATT_ComponentID);
if (id != 0)
{
//try to get it from exception handler of a method
ClassPointer root = ClassPointer.CreateClassPointer(((XmlObjectReader)reader).ObjectList);
LocalVariable v = root.GetLocalVariable(id);
if (v != null)
{
_name = v.Name;
_type = v.ClassType;
_owner = v._owner;
_instance = v._instance;
_nameChecker = v._nameChecker;
_debug = v._debug;
}
}
else
{
#if DEBUG
throw new DesignerException("Error reading local variable from class [{0}]. XPath:[{1}]", reader.ClassId, XmlUtil.GetPath(node));
#endif
}
}
}
}