public void ReadElements(CircuitDiagramDocument document,
XElement elements,
ReaderContext context)
{
var components = from el in elements.Elements()
where el.Name == Ns.Document + "c"
select el;
foreach (var componentElement in components)
{
var typeAttr = componentElement.Attribute("tp");
if (typeAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, componentElement, "tp");
continue;
}
var componentType = context.GetComponentType(ParseType(typeAttr.Value));
if (componentType == null)
{
context.Log(ReaderErrorCodes.UnknownComponentType, typeAttr, typeAttr.Value);
continue;
}
Component component;
if (componentElement.Attribute("x") != null)
{
component = new PositionalComponent(componentType, null, new Point(0, 0));
// Layout
ReadLayout((PositionalComponent)component, componentElement, context);
}
else
{
component = new Component(componentType, null);
}
// Properties
var propertiesElement = componentElement.Elements(Ns.Document + "prs").SingleOrDefault();
var properties = propertiesElement != null
? from el in propertiesElement.Elements()
where el.Name == Ns.Document + "p"
select el
: new XElement[0];
foreach (var propertyElement in properties)
{
var keyAttr = propertyElement.Attribute("k");
if (keyAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, propertyElement, "k");
continue;
}
var valueAttr = propertyElement.Attribute("v");
if (valueAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, propertyElement, "v");
continue;
}
if (!component.Type.PropertyNames.Contains(keyAttr.Value))
{
component.Type.PropertyNames.Add(keyAttr.Value);
}
component.Properties[keyAttr.Value] = PropertyValue.Dynamic(valueAttr.Value);
}
// Connections
var connectionsElement = componentElement.Elements(Ns.Document + "cns").SingleOrDefault();
var connections = connectionsElement != null
? from el in connectionsElement.Elements()
where el.Name == Ns.Document + "cn"
select el
: new XElement[0];
foreach (var connectionElement in connections)
{
var idAttr = connectionElement.Attribute("id");
if (idAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, connectionElement, "id");
continue;
}
var pointAttr = connectionElement.Attribute("pt");
if (pointAttr == null)
{
context.Log(ReaderErrorCodes.MissingRequiredAttribute, connectionElement, "pt");
continue;
}
if (component.Connections.All(x => x.Value.Name.Value != pointAttr.Value))
{
// Add new connection definition to component type
component.Type.ConnectionNames.Add(new ConnectionName(pointAttr.Value));
}
context.ApplyConnection(idAttr.Value,
component.Connections.First(x => x.Value.Name.Value == pointAttr.Value).Value);
}
document.Elements.Add(component);
}
var wires = from el in elements.Elements()
where el.Name == Ns.Document + "w"
select el;
foreach (var wireElement in wires)
{
var wire = new Wire(new Point());
ReadLayout(wire, wireElement, context);
document.Elements.Add(wire);
}
}
private void ReadLayout(IPositionalElement positionalElement, XElement element, ReaderContext context)
{
int? x = element.GetIntAttribute("x", context);
int? y = element.GetIntAttribute("y", context);
int? size = element.GetIntAttribute("sz", context);
bool? flipped = element.GetBoolAttribute("flp", context);
Orientation?orientation = element.GetComponentOrientationAttribute("o", context);
if (!x.HasValue || !y.HasValue)
{
return;
}
positionalElement.Layout.Location = positionalElement.Layout.Location.WithNewX(x.Value);
positionalElement.Layout.Location = positionalElement.Layout.Location.WithNewY(y.Value);
positionalElement.Layout.Size = size ?? 0;
positionalElement.Layout.IsFlipped = flipped ?? false;
positionalElement.Layout.Orientation = orientation ?? Orientation.Horizontal;
}
