/// <summary>
/// Initializes a new instance of the <see cref="PropertyEmitter"/> class.
/// </summary>
/// <param name="parent">The parent.</param>
/// <param name="property">The property.</param>
public PropertyEmitter(TypeEmitter parent, PropertyReference property, bool isStatic = false)
{
BackingField = property.GetBackingField();
Parent = parent;
Target = property as PropertyDefinition ?? property.Resolve();
toStatic = isStatic;
if (Target.GetMethod != null)
{
getter = new MethodEmitter(parent, Target.GetMethod);
}
else
{
var existing = Parent.Target.GetMethod($"get_{Target.Name}", Target.PropertyType, new TypeReference[0], new GenericParameter[0]);
if (existing != null)
{
Target.GetMethod = existing.Resolve();
getter = new MethodEmitter(parent, Target.GetMethod);
}
}
if (Target.SetMethod != null)
{
setter = new MethodEmitter(parent, Target.SetMethod);
}
else
{
var existing = Parent.Target.GetMethod($"set_{Target.Name}", Target.Module.TypeSystem.Void, new[] { Target.PropertyType }, new GenericParameter[0]);
if (existing != null)
{
Target.SetMethod = existing.Resolve();
setter = new MethodEmitter(parent, Target.SetMethod);
}
}
}
private static void LoadSet <T>(T[] items, PropertyReference collectionProperty)
{
object backingField = collectionProperty.GetBackingField().GetValue(collectionProperty.Owner);
foreach (T item in items)
{
backingField.InvokeMethod("Add", item);
}
}
private static void LoadList <T>(T[] items, PropertyReference listProperty)
{
var backingField = (IList)listProperty.GetBackingField().GetValue(listProperty.Owner);
foreach (T item in items)
{
backingField.Add(item);
}
}
public static void LoadCollectionBackingField <T>(object target, string propertyName, T[] items)
{
var collectionProperty = new PropertyReference(target, propertyName);
if (!collectionProperty.HasBackingField())
{
return;
}
FieldInfo backingField = collectionProperty.GetBackingField();
if (backingField.FieldType.Equals(typeof(IList)))
{
LoadList(items, collectionProperty);
}
else if (backingField.FieldType.FullName == "Iesi.Collections.ISet")
{
LoadSet(items, collectionProperty);
}
}
