public override object Invoke(Bindings bindings, ELContext context, Type returnType, Type[] paramTypes, object[] paramValues)
{
object @base = property.Prefix.Eval(bindings, context);
if (@base == null)
{
throw new PropertyNotFoundException(LocalMessages.Get("error.property.base.null", property.Prefix));
}
object method = property.GetProperty(bindings, context);
if (method == null)
{
throw new PropertyNotFoundException(LocalMessages.Get("error.property.method.notfound", "null", @base));
}
string name = bindings.Convert <string>(method, typeof(string));
paramValues = (object[])@params.Eval(bindings, context);
context.PropertyResolved = false;
object result = context.ELResolver.Invoke(context, @base, name, paramTypes, paramValues);
if (!context.PropertyResolved)
{
throw new MethodNotFoundException(LocalMessages.Get("error.property.method.notfound", name, @base.GetType()));
}
// if (returnType != null && !returnType.isInstance(result)) { // should we check returnType for method invocations?
// throw new MethodNotFoundException(LocalMessages.get("error.property.method.notfound", name, base.getClass()));
// }
return(result);
}
public override object Invoke(Bindings bindings, ELContext context, Type returnType, Type[] paramTypes, object[] paramValues)
{
object @base = prefix.Eval(bindings, context);
if (@base == null)
{
throw new PropertyNotFoundException(LocalMessages.Get("error.property.base.null", prefix));
}
object property = GetProperty(bindings, context);
if (property == null && strict)
{
throw new PropertyNotFoundException(LocalMessages.Get("error.property.method.notfound", "null", @base));
}
string name = bindings.Convert <string>(property, typeof(string));
MethodInfo method = FindMethod(name, @base.GetType(), returnType, paramTypes);
try
{
return(method.Invoke(@base, paramValues));
}
catch (AccessViolationException)
{
throw new ELException(LocalMessages.Get("error.property.method.access", name, @base.GetType()));
}
catch (System.ArgumentException e)
{
throw new ELException(LocalMessages.Get("error.property.method.invocation", name, @base.GetType()), e);
}
catch (TargetInvocationException e)
{
throw new ELException(LocalMessages.Get("error.property.method.invocation", name, @base.GetType()), e.InnerException);
}
}
public override object Eval(Bindings bindings, ELContext context)
{
StringBuilder b = new StringBuilder(16);
for (int i = 0; i < Cardinality; i++)
{
b.Append(bindings.Convert <string>(nodes[i].Eval(bindings, context), typeof(string)));
}
return(b.ToString());
}
/// <summary>
/// evaluate and return the (optionally coerced) result.
/// </summary>
public object GetValue(Bindings bindings, ELContext context, Type type)
{
object value = Eval(bindings, context);
if (type != null)
{
value = bindings.Convert <object>(value, type);
}
return(value);
}
public override MethodInfo GetMethodInfo(Bindings bindings, ELContext context, Type returnType, Type[] paramTypes)
{
object @base = prefix.Eval(bindings, context);
if (@base == null)
{
throw new PropertyNotFoundException(LocalMessages.Get("error.property.base.null", prefix));
}
object property = GetProperty(bindings, context);
if (property == null && strict)
{
throw new PropertyNotFoundException(LocalMessages.Get("error.property.method.notfound", "null", @base));
}
string name = bindings.Convert <string>(property, typeof(string));
MethodInfo method = FindMethod(name, @base.GetType(), returnType, paramTypes);
//return new MethodInfo(method.Name, method.ReturnType, paramTypes);
return(method);
}
public override object Eval(Bindings bindings, ELContext context)
{
bool?value = bindings.Convert <bool>(question.Eval(bindings, context), typeof(Boolean));
return(value.Value ? yes.Eval(bindings, context) : no.Eval(bindings, context));
}
public virtual object Eval(Bindings bindings, ELContext context, AstNode left, AstNode right)
{
bool?l = bindings.Convert <bool>(left.Eval(bindings, context), typeof(Boolean));
return(true.Equals(l) && bindings.Convert <bool>(right.Eval(bindings, context), typeof(Boolean)));
}
public override object Invoke(Bindings bindings, ELContext context, Type returnType, Type[] paramTypes, object[] paramValues)
{
return(returnType == null ? value : bindings.Convert <string>(value, returnType));
}
/// <summary>
/// Invoke method. </summary>
/// <param name="bindings"> </param>
/// <param name="context"> </param>
/// <param name="base"> </param>
/// <param name="method"> </param>
/// <returns> method result </returns>
/// <exception cref="TargetInvocationException"> </exception>
/// <exception cref="AccessViolationException"> </exception>
protected internal virtual object Invoke(Bindings bindings, ELContext context, object @base, MethodInfo method)
{
Type[] types = method.GetParameters().Select(c => c.ParameterType).ToArray();
object[] @params = null;
if (types.Length > 0)
{
@params = new object[types.Length];
//if (varargs && method.GetParameters().Any())
if (method.ContainsGenericParameters && method.GetParameters().Any())
{
for (int i = 0; i < @params.Length - 1; i++)
{
object param = GetParam(i).Eval(bindings, context);
if (param != null || types[i].IsPrimitive)
{
@params[i] = bindings.Convert <object>(param, types[i]);
}
}
int varargIndex = types.Length - 1;
Type varargType = types[varargIndex];
int length = ParamCount - varargIndex;
object array = null;
if (length == 1)
{ // special: eventually use argument as is
object param = GetParam(varargIndex).Eval(bindings, context);
if (param != null && param.GetType().IsArray)
{
if (types[varargIndex].IsInstanceOfType(param))
{
array = param;
}
else
{ // coerce array elements
//length = Array.GetLength(param);
//array = Array.CreateInstance(varargType, length);
//for (int i = 0; i < length; i++)
//{
// object elem = Array.Get(param, i);
// if (elem != null || varargType.IsPrimitive)
// {
// ((System.Array)array).SetValue(bindings.Convert(elem, varargType), i);
// }
//}
}
}
else
{ // single element array
array = Array.CreateInstance(varargType, 1);
if (param != null || varargType.IsPrimitive)
{
((System.Array)array).SetValue(bindings.Convert <object>(param, varargType), 0);
}
}
}
else
{
array = Array.CreateInstance(varargType, length);
for (int i = 0; i < length; i++)
{
object param = GetParam(varargIndex + i).Eval(bindings, context);
if (param != null || varargType.IsPrimitive)
{
((System.Array)array).SetValue(bindings.Convert <object>(param, varargType), i);
}
}
}
@params[varargIndex] = array;
}
else
{
for (int i = 0; i < @params.Length; i++)
{
object param = GetParam(i).Eval(bindings, context);
if (param != null || types[i].IsPrimitive)
{
@params[i] = bindings.Convert <object>(param, types[i]);
}
}
}
}
return(method.Invoke(@base, @params));
}