/// <summary>Raises the <see cref="BeginInvocation"/> event.</summary>
/// <param name="e">The <see cref="InvocationEventArgs"/> instance containing the event data.</param>
/// <autogeneratedoc />
/// TODO Edit XML Comment Template for OnBeginInvocation
// ReSharper disable once UnusedMember.Global
protected virtual void OnBeginInvocation(InvocationEventArgs e)
{
BeginInvocation?.Invoke(this, e);
}
/// <summary>Intercepts the specified invocation.</summary>
/// <param name="invocation">The invocation.</param>
/// <autogeneratedoc />
/// TODO Edit XML Comment Template for Intercept
public override void Intercept(IInvocation invocation)
{
Interlocked.Increment(ref _callDepth);
var x = _stack.Any( ) ? _stack.Peek( ) : null;
var myX = new StackInfo( );
_stack.Push(myX);
var writeLine = WriteLine;
if (x != null)
{
x.Written = true;
writeLine("");
}
var formatted = FormatInvocation(invocation, "");
var a = new InvocationEventArgs {
Formatted = formatted
};
DumpInvocation(invocation, _callDepth);
invocation.Proceed( );
try
{
DumpReturnValue(invocation, _callDepth, !myX.Written);
if (ProxyGenerator != null &&
invocation.ReturnValue != null &&
!invocation.ReturnValue.GetType( ).IsSealed &&
!(invocation.ReturnValue is IProxyTargetAccessor))
{
var r = invocation.ReturnValue;
if (r is XamlType typ)
{
var invoker =
( XamlTypeInvoker )ProxyGenerator.CreateClassProxyWithTarget(
typeof(
XamlTypeInvoker
)
, typ
.Invoker
, new[]
{
r
}
, this
);
object[] args = { typ.UnderlyingType, typ.SchemaContext, invoker };
invocation.ReturnValue =
ProxyGenerator.CreateClassProxyWithTarget(
r.GetType( )
, r
, args
, this
);
}
else if (r.GetType( ).IsGenericType &&
r.GetType( ).GetGenericTypeDefinition( )
== typeof(XamlValueConverter <object>)
.GetGenericTypeDefinition( ))
{
object[] args = null;
switch (r)
{
case XamlValueConverter <ValueSerializer> q: args = new object[] { q.ConverterType, q.TargetType, q.Name };
break;
case XamlValueConverter <TypeConverter> z: args = new object[] { z.ConverterType, z.TargetType, z.Name };
break;
}
if (args != null)
{
invocation.ReturnValue =
ProxyGenerator.CreateClassProxyWithTarget(
r.GetType( )
, r
, args
, this
);
}
}
else if (r.GetType( ).IsGenericType &&
r.GetType( ).GetGenericTypeDefinition( )
== typeof(ReadOnlyCollection <object>)
.GetGenericTypeDefinition( ))
{
var propInfo = r.GetType( )
.GetField(
"list"
, BindingFlags.NonPublic | BindingFlags.Instance
);
if (propInfo != null)
{
var args = new[] { propInfo.GetValue(r) };
invocation.ReturnValue =
ProxyGenerator.CreateClassProxyWithTarget(
r.GetType( )
, r
, args
, this
);
}
}
else
{
switch (r)
{
case XamlDirective d:
{
object[] args =
{
d.GetXamlNamespaces( ), d.Name, d.Type, d.TypeConverter
, d.AllowedLocation
};
invocation.ReturnValue =
ProxyGenerator.CreateClassProxyWithTarget(
r.GetType( )
, r
, args
, this
);
break;
}
case NamespaceDeclaration ns:
invocation.ReturnValue =
ProxyGenerator.CreateClassProxyWithTarget(
r.GetType( )
, r
, new object[]
{
ns.Namespace, ns.Prefix
}
, this
);
break;
default:
try
{
invocation.ReturnValue =
ProxyGenerator.CreateClassProxyWithTarget(
r.GetType( )
, r
, this
);
}
catch (InvalidProxyConstructorArgumentsException)
{
writeLine("Constructors for ⮜" + FormatTyp(r.GetType( )) + "⮞");
foreach (var constructorInfo in r.GetType( ).GetConstructors( ))
{
writeLine(
FormatTyp(constructorInfo.DeclaringType)
+ " ( "
+ string.Join(
" , "
, constructorInfo
.GetParameters( )
.Select(
(info, i)
=> FormatTyp(
info
.ParameterType
)
+ " "
+ info.Name
+ (info.HasDefaultValue
? " = "
+ info
.DefaultValue
: "")
)
)
);
}
}
break;
}
}
}
}
catch (Exception ex)
{
writeLine("--Exception--");
writeLine(ex.ToString( )); //.GetType ( ) ) ;
//Console.WriteLine ( ex.Message ) ;
writeLine("--End Exception--");
}
finally
{
_stack.Pop( );
Interlocked.Decrement(ref _callDepth);
}
}
