public override IValue GetPropValue(int propNum)
{
var prop = _props[propNum];
var dispId = prop.DispatchId;
try
{
try
{
var result = DispatchUtility.Invoke(Instance, dispId, null);
return(CreateIValue(result));
}
catch (System.Reflection.TargetInvocationException e)
{
throw e.InnerException ?? e;
}
}
catch (System.MissingMemberException)
{
throw RuntimeException.PropNotFoundException(prop.Name);
}
catch (System.MemberAccessException)
{
throw RuntimeException.PropIsNotReadableException(prop.Name);
}
}
public override IValue GetIndexedValue(IValue index)
{
if (index.DataType != DataType.String)
{
throw RuntimeException.InvalidArgumentType();
}
var n = FindProperty(index.AsString());
if (IsPropReadable(n))
{
return(GetPropValue(n));
}
else
{
throw RuntimeException.PropIsNotReadableException(index.AsString());
}
}
public override IValue GetPropValue(int propNum)
{
try
{
try
{
var result = DispatchUtility.Invoke(_instance, propNum, null);
return(CreateIValue(result));
}
catch (System.Reflection.TargetInvocationException e)
{
throw e.InnerException;
}
}
catch (System.MissingMemberException)
{
throw RuntimeException.PropNotFoundException("dispid[" + propNum.ToString() + "]");
}
catch (System.MemberAccessException)
{
throw RuntimeException.PropIsNotReadableException("dispid[" + propNum.ToString() + "]");
}
}
public PropertyTarget(PropertyInfo propInfo)
{
var attrib = (ContextPropertyAttribute)propInfo.GetCustomAttributes(typeof(ContextPropertyAttribute), false)[0];
_name = attrib.GetName();
_alias = attrib.GetAlias();
Func <TInstance, IValue> cantReadAction = (inst) => { throw RuntimeException.PropIsNotReadableException(_name); };
Action <TInstance, IValue> cantWriteAction = (inst, val) => { throw RuntimeException.PropIsNotWritableException(_name); };
this.CanRead = attrib.CanRead;
this.CanWrite = attrib.CanWrite;
if (attrib.CanRead)
{
var getMethodInfo = propInfo.GetGetMethod();
if (getMethodInfo == null)
{
_getter = cantReadAction;
}
else
{
var genericGetter = typeof(PropertyTarget <TInstance>).GetMembers(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)
.Where(x => x.MemberType == System.Reflection.MemberTypes.Method && x.Name == "CreateGetter")
.Select(x => (System.Reflection.MethodInfo)x)
.First();
var resolvedGetter = genericGetter.MakeGenericMethod(new Type[] { propInfo.PropertyType });
_getter = (Func <TInstance, IValue>)resolvedGetter.Invoke(this, new object[] { getMethodInfo });
}
}
else
{
_getter = cantReadAction;
}
if (attrib.CanWrite)
{
var setMethodInfo = propInfo.GetSetMethod();
if (setMethodInfo == null)
{
_setter = cantWriteAction;
}
else
{
var genericSetter = typeof(PropertyTarget <TInstance>).GetMembers(System.Reflection.BindingFlags.NonPublic | System.Reflection.BindingFlags.Instance)
.Where(x => x.MemberType == System.Reflection.MemberTypes.Method && x.Name == "CreateSetter")
.Select(x => (System.Reflection.MethodInfo)x)
.First();
var resolvedSetter = genericSetter.MakeGenericMethod(new Type[] { propInfo.PropertyType });
_setter = (Action <TInstance, IValue>)resolvedSetter.Invoke(this, new object[] { setMethodInfo });
}
}
else
{
_setter = cantWriteAction;
}
}
