public virtual void AddIPropertyDescriptorImplementation()
{
if (this.ImplementInterface(typeof(Interfaces.IPropertyDescriptor)) == false)
{
return;
}
{
var method = this.TypeBuilder.DefineMethod("GetAllPropertyTypes", MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig, typeof(Type[]), new Type[] { });
var il = method.GetILGenerator();
var overrideMethod = typeof(Interfaces.IPropertyDescriptor).GetMethod("GetAllPropertyTypes");
if (overrideMethod == null)
{
throw new Exception("Can not find Method 'GetAllPropertyTypes' in interface.");
}
var helper = new Helper.ILEmitter(this.TypeBuilder, this, il);
var allProperties = Properties.Select(s => s.Type).ToArray();
helper.EmitGetTypeArrayMethodIL(il, allProperties);
TypeBuilder.DefineMethodOverride(method, overrideMethod);
}
{
var method = this.TypeBuilder.DefineMethod("GetAllPropertyNames", MethodAttributes.Public | MethodAttributes.Virtual | MethodAttributes.HideBySig, typeof(string[]), new Type[] { });
var il = method.GetILGenerator();
var overrideMethod = typeof(Interfaces.IPropertyDescriptor).GetMethod("GetAllPropertyNames");
if (overrideMethod == null)
{
throw new Exception("Can not find Method 'GetAllPropertyNames' in interface.");
}
var helper = new Helper.ILEmitter(this.TypeBuilder, this, il);
var allProperties = Properties.Select(s => s.Name).ToArray();
helper.EmitGetStringArrayMethodIL(il, allProperties);
TypeBuilder.DefineMethodOverride(method, overrideMethod);
}
}
internal void WriteGetPropertyValueMethod(System.Reflection.Emit.ILGenerator il)
{
var helper = new Helper.ILEmitter(this.GetType(), this, il);
helper.DeclareLocal(typeof(bool));
helper.DeclareLocal(typeof(bool));
helper.DeclareLocal(typeof(object));
//bool flag = string.IsNullOrWhiteSpace(property);
//if (flag)
//{
// throw new EmptyOrNullPropertyNameException(base.GetType(), property);
//}
helper.Nop();
helper.Ldarg1();
helper.Call(typeof(string).GetMethod("IsNullOrWhiteSpace"));
//helper.Stloc0();
//helper.Ldloc0();
var label = helper.DefineLabel();
helper.BrFalse(label);
Label endlabel = helper.DefineLabel();
helper.Nop();
helper.Ldarg0();
helper.Call(typeof(object), "GetType");
helper.Ldarg1();
helper.Newobj(typeof(Exceptions.EmptyOrNullPropertyNameException), typeof(Type), typeof(string));
helper.Throw();
helper.MarkLabel(label);
var mcallStringEquals = typeof(string).GetMethod("Equals", System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static,
null, new[] { typeof(string), typeof(string) }, null);
var propertiesToImplement = Properties.Where(w => w.PropertyGetter != null).ToArray();
var pLabel = helper.DefineLabel();
foreach (var p in propertiesToImplement)
{
helper.MarkLabel(pLabel);
pLabel = helper.DefineLabel();
helper.Ldarg1();
helper.LdStr(p.Name);
helper.Call(mcallStringEquals);
//helper.Stloc1();
//helper.Ldloc1();
helper.BrFalse(pLabel);
helper.Nop();
helper.Ldarg0();
helper.Call(p.PropertyGetter);
if (p.Type.IsValueType)
{
helper.Box(p.Type);
}
//helper.Stloc2();
helper.Br(endlabel);
}
helper.MarkLabel(pLabel);
helper.Nop();
helper.Ldarg0();
helper.Callorvirt(typeof(object), "GetType");
helper.Ldarg1();
helper.Newobj(typeof(Exceptions.PropertyNotFoundException), typeof(Type), typeof(string));
helper.Throw();
helper.MarkLabel(endlabel);
helper.Ret();
}
internal void WriteSetPropertyValueMethod(System.Reflection.Emit.ILGenerator il)
{
var allProperties = Properties.Where(w => w.PropertySetter != null).ToArray();
var helper = new Helper.ILEmitter(this.GetType(), this.TypeBuilder, il);
il.DeclareLocal(typeof(bool));
for (int i = 0; i < allProperties.Length; i++)
{
il.DeclareLocal(typeof(bool));
}
helper.Nop();
helper.Ldarg1();
helper.Call(typeof(string), "IsNullOrWhiteSpace", typeof(string));
var label = helper.DefineLabel();
helper.BrFalse(label);
var endlabel = helper.DefineLabel();
helper.Nop();
helper.Ldarg0();
helper.Call(typeof(object), "GetType");
helper.Ldarg1();
helper.Newobj(typeof(Exceptions.EmptyOrNullPropertyNameException), typeof(Type), typeof(string));
helper.Throw();
helper.MarkLabel(label);
var mcallStringEquals = typeof(string).GetMethod("Equals", System.Reflection.BindingFlags.Public | System.Reflection.BindingFlags.Static,
null, new[] { typeof(string), typeof(string) }, null);
var plabel = helper.DefineLabel();
foreach (var p in allProperties)
{
helper.MarkLabel(plabel);
plabel = helper.DefineLabel();
helper.Ldarg1();
helper.LdStr(p.Name);
helper.Call(mcallStringEquals);
helper.BrFalse(plabel);
helper.Nop();
helper.Ldarg0();
helper.Ldarg2();
helper.CastOrUnBox(p.Type);
helper.Call(p.PropertySetter);
helper.Nop();
helper.Nop();
helper.Br(endlabel);
}
helper.MarkLabel(plabel);
helper.Nop();
helper.Ldarg0();
helper.Call(typeof(object), "GetType");
helper.Ldarg1();
helper.Newobj(typeof(Exceptions.PropertyNotFoundException), typeof(Type), typeof(string));
helper.Throw();
helper.MarkLabel(endlabel);
helper.Ret();
}