/// <summary>
/// Initializes a new instance of the <see cref="ImpromptuRelayCommand"/> class.
/// </summary>
/// <param name="executeTarget">The execute target.</param>
/// <param name="executeName">Name of the execute.</param>
/// <param name="setup">The setup which has the on error event</param>
public ImpromptuRelayCommand(object executeTarget, String_OR_InvokeMemberName executeName, ISetupViewModel setup =null)
{
_executeTarget = executeTarget;
_setup = setup;
_executeInvoke = new CacheableInvocation(InvocationKind.InvokeMemberAction, executeName,1);
_executeInvokeNoArg = new CacheableInvocation(InvocationKind.InvokeMemberAction, executeName, 0);
}
/// <summary>
/// Initializes a new instance of the <see cref="ImpromptuRuntimePropertyInfo"/> class.
/// </summary>
/// <param name="declaringType">Type of the declaring.</param>
/// <param name="propertyName">Name of the property.</param>
public ImpromptuRuntimePropertyInfo(Type declaringType, string propertyName)
{
_declaringType = declaringType;
_propertyName = propertyName;
_cachedGet = new CacheableInvocation(InvocationKind.Get, propertyName);
_cachedSet = new CacheableInvocation(InvocationKind.Set, propertyName);
}
public override object InvokeMember(string name, BindingFlags invokeAttr, Binder binder, object target, object[] args, ParameterModifier[] modifiers, CultureInfo culture, string[] namedParameters)
{
object tContext = typeof(object);
InvocationKind tKind;
if ((BindingFlags.GetProperty & invokeAttr) != 0)
{
tKind = name.Equals(Invocation.IndexBinderName) ? InvocationKind.GetIndex : InvocationKind.Get;
}
else if ((BindingFlags.SetProperty & invokeAttr) != 0)
{
tKind = name.Equals(Invocation.IndexBinderName) ? InvocationKind.SetIndex : InvocationKind.Set;
}
else
{
tKind = InvocationKind.InvokeMemberUnknown;
}
if ((BindingFlags.NonPublic & invokeAttr) != 0)
{
tContext = target;
}
//Use cachedable invocation not because it's getting cached, but because the constructor matches the parameters better.
var tCachedInvocation = new CacheableInvocation(tKind, name, args.Length, namedParameters, tContext);
return(tCachedInvocation.Invoke(target, args));
}
/// <summary>
/// Initializes a new instance of the <see cref="ImpromptuRelayCommand"/> class.
/// </summary>
/// <param name="executeTarget">The execute target.</param>
/// <param name="executeName">Name of the execute method.</param>
/// <param name="canExecuteTarget">The can execute target.</param>
/// <param name="canExecuteName">Name of the can execute method.</param>
public ImpromptuRelayCommand(object executeTarget, String_OR_InvokeMemberName executeName, object canExecuteTarget, String_OR_InvokeMemberName canExecuteName, ISetupViewModel setup = null)
:this(executeTarget, executeName, setup)
{
_canExecuteTarget = canExecuteTarget;
_canExecuteInvoke = new CacheableInvocation(InvocationKind.InvokeMember, canExecuteName ,1);
_canExecuteInvokeGet = new CacheableInvocation(InvocationKind.Get,canExecuteName);
_canExecuteInvokeNoArg = new CacheableInvocation(InvocationKind.InvokeMember, canExecuteName);
}
/// <summary>
/// Initializes a new instance of the <see cref="ImpromptuRuntimePropertyInfo"/> class.
/// </summary>
/// <param name="declaringType">Type of the declaring.</param>
/// <param name="propertyName">Name of the property.</param>
public ImpromptuRuntimePropertyInfo(Type declaringType, string propertyName)
{
_declaringType = declaringType;
_propertyName = propertyName;
_cachedGet = new CacheableInvocation(InvocationKind.Get, propertyName);
_cachedSet = new CacheableInvocation(InvocationKind.Set, propertyName);
}
/// <summary>
/// Provides the implementation for operations that invoke an object. Classes derived from the <see cref="T:System.Dynamic.DynamicObject"/> class can override this method to specify dynamic behavior for operations such as invoking an object or a delegate.
/// </summary>
/// <param name="binder">Provides information about the invoke operation.</param>
/// <param name="args">The arguments that are passed to the object during the invoke operation. For example, for the sampleObject(100) operation, where sampleObject is derived from the <see cref="T:System.Dynamic.DynamicObject"/> class, <paramref name="args[0]"/> is equal to 100.</param>
/// <param name="result">The result of the object invocation.</param>
/// <returns>
/// true if the operation is successful; otherwise, false. If this method returns false, the run-time binder of the language determines the behavior. (In most cases, a language-specific run-time exception is thrown.
/// </returns>
public override bool TryInvoke(InvokeBinder binder, object[] args, out object result)
{
var tNamedArgs = Util.NameArgsIfNecessary(binder.CallInfo, args);
var tNewArgs = _args.Concat(tNamedArgs).ToArray();
if (_totalArgCount.HasValue && (_totalArgCount - Args.Length - args.Length > 0))
//Not Done currying
{
result = new PartialApplyInvocation(Target, tNewArgs, MemberName,
TotalArgCount, InvocationKind);
return(true);
}
var tInvokeDirect = String.IsNullOrWhiteSpace(_memberName);
var tDel = _target as Delegate;
if (tInvokeDirect && binder.CallInfo.ArgumentNames.Count == 0 && _target is Delegate)
//Optimization for direct delegate calls
{
result = tDel.FastDynamicInvoke(tNewArgs);
return(true);
}
Invocation tInvocation;
if (binder.CallInfo.ArgumentNames.Count == 0) //If no argument names we can cache the callsite
{
CacheableInvocation tCacheableInvocation;
if (!_cacheableInvocation.TryGetValue(tNewArgs.Length, out tCacheableInvocation))
{
tCacheableInvocation = new CacheableInvocation(InvocationKind, _memberName, argCount: tNewArgs.Length, context: _target);
_cacheableInvocation[tNewArgs.Length] = tCacheableInvocation;
}
tInvocation = tCacheableInvocation;
}
else
{
tInvocation = new Invocation(InvocationKind, _memberName);
}
result = tInvocation.Invoke(_target, tNewArgs);
return(true);
}
public void TestCacheableSetTimed()
{
var tPoco = new PropPoco();
var tSetValue = "1";
var tCacheable = new CacheableInvocation(InvocationKind.Set, "Prop1");
var tWatch = TimeIt.Go(() => tCacheable.Invoke(tPoco, tSetValue), 500000);
var tPropertyInfo = tPoco.GetType().GetProperty("Prop1");
var tWatch2 = TimeIt.Go(() => tPropertyInfo.SetValue(tPoco, tSetValue, new object[] { }), 500000);
TestContext.WriteLine("Impromptu: " + tWatch.Elapsed);
TestContext.WriteLine("Refelection: " + tWatch2.Elapsed);
TestContext.WriteLine("Impromptu VS Reflection: {0:0.0} x faster", (double)tWatch2.Elapsed.Ticks / tWatch.Elapsed.Ticks);
Assert.Less(tWatch.Elapsed, tWatch2.Elapsed);
}
/// <summary>
/// Equalses the specified other.
/// </summary>
/// <param name="other">The other.</param>
/// <returns></returns>
public bool Equals(CacheableInvocation other)
{
if (ReferenceEquals(null, other))
{
return(false);
}
if (ReferenceEquals(this, other))
{
return(true);
}
return(base.Equals(other) &&
other._argCount == _argCount &&
Equals(other._argNames, _argNames) &&
other._staticContext.Equals(_staticContext) &&
Equals(other._context, _context) &&
other._convertExplicit.Equals(_convertExplicit) &&
Equals(other._convertType, _convertType));
}
public void TestCacheableStaticDateTimeMethod()
{
object tDateDyn = "01/20/2009";
var tCachedInvoke = new CacheableInvocation(InvocationKind.InvokeMember, "Parse", 1,
context: typeof (DateTime).WithStaticContext());
var tDate = tCachedInvoke.Invoke(typeof(DateTime), tDateDyn);
Assert.AreEqual(new DateTime(2009, 1, 20), tDate);
}
public void TestCacheableIndexer()
{
var tStrings = new[] { "1", "2" };
var tCachedInvoke = new CacheableInvocation(InvocationKind.GetIndex, argCount: 1);
var tOut = (string)tCachedInvoke.Invoke(tStrings, 0);
Assert.AreEqual(tStrings[0], tOut);
var tOut2 = (string)tCachedInvoke.Invoke(tStrings, 1);
Assert.AreEqual(tStrings[1], tOut2);
var tInts = new int[] { 3, 4 };
var tOut3 = (int)tCachedInvoke.Invoke(tInts, 0);
Assert.AreEqual(tInts[0], tOut3);
var tOut4 = (int)tCachedInvoke.Invoke(tInts, 1);
Assert.AreEqual(tInts[1], tOut4);
var tList = new List<string> { "5", "6" };
var tOut5 = (string)tCachedInvoke.Invoke(tList, 0);
Assert.AreEqual(tList[0], tOut5);
var tOut6 = (string)tCachedInvoke.Invoke(tList, 0);
Assert.AreEqual(tList[0], tOut6);
}
/// <summary>
/// Provides the implementation for operations that invoke an object. Classes derived from the <see cref="T:System.Dynamic.DynamicObject"/> class can override this method to specify dynamic behavior for operations such as invoking an object or a delegate.
/// </summary>
/// <param name="binder">Provides information about the invoke operation.</param>
/// <param name="args">The arguments that are passed to the object during the invoke operation. For example, for the sampleObject(100) operation, where sampleObject is derived from the <see cref="T:System.Dynamic.DynamicObject"/> class, <paramref name="args[0]"/> is equal to 100.</param>
/// <param name="result">The result of the object invocation.</param>
/// <returns>
/// true if the operation is successful; otherwise, false. If this method returns false, the run-time binder of the language determines the behavior. (In most cases, a language-specific run-time exception is thrown.
/// </returns>
public override bool TryInvoke(InvokeBinder binder, object[] args, out object result)
{
var tNamedArgs = Util.NameArgsIfNecessary(binder.CallInfo, args);
var tNewArgs = _args.Concat(tNamedArgs).ToArray();
if (_totalArgCount.HasValue && (_totalArgCount - Args.Length - args.Length > 0))
//Not Done currying
{
result = new PartialApplyInvocation(Target, tNewArgs, MemberName,
TotalArgCount, InvocationKind);
return true;
}
var tInvokeDirect = String.IsNullOrWhiteSpace(_memberName);
var tDel = _target as Delegate;
if (tInvokeDirect && binder.CallInfo.ArgumentNames.Count == 0 && _target is Delegate)
//Optimization for direct delegate calls
{
result = tDel.FastDynamicInvoke(tNewArgs);
return true;
}
Invocation tInvocation;
if (binder.CallInfo.ArgumentNames.Count == 0) //If no argument names we can cache the callsite
{
CacheableInvocation tCacheableInvocation;
if (!_cacheableInvocation.TryGetValue(tNewArgs.Length, out tCacheableInvocation))
{
tCacheableInvocation = new CacheableInvocation(InvocationKind, _memberName, argCount: tNewArgs.Length, context: _target);
_cacheableInvocation[tNewArgs.Length] = tCacheableInvocation;
}
tInvocation = tCacheableInvocation;
}
else
{
tInvocation = new Invocation(InvocationKind, _memberName);
}
result = tInvocation.Invoke(_target, tNewArgs);
return true;
}
/// <summary>
/// Initializes a new instance of the <see cref="ImpromptuPropertyDescriptor"/> class.
/// </summary>
/// <param name="name">The name.</param>
public ImpromptuPropertyDescriptor(string name) : base(name, null)
{
_invokeGet = new CacheableInvocation(InvocationKind.Get, name);
_invokeSet = new CacheableInvocation(InvocationKind.Set, name);
}
public void TestCacheableMethodDynamicPassVoid()
{
var tTest = "Wrong";
var tValue = "Correct";
dynamic tExpando = new ExpandoObject();
tExpando.Action = new Action<string>(it => tTest = it);
var tCachedInvoke = new CacheableInvocation(InvocationKind.InvokeMemberAction, "Action", argCount: 1);
tCachedInvoke.Invoke((object) tExpando, tValue);
Assert.AreEqual(tValue, tTest);
}
public void TestCacheableDynamicSetAndPocoSetAndSetNull()
{
dynamic tExpando = new ExpandoObject();
var tSetValueD = "4";
var tCachedInvoke = new CacheableInvocation(InvocationKind.Set, "Prop1");
tCachedInvoke.Invoke((object)tExpando, tSetValueD);
Assert.AreEqual(tSetValueD, tExpando.Prop1);
var tPoco = new PropPoco();
var tSetValue = "1";
tCachedInvoke.Invoke(tPoco, tSetValue);
Assert.AreEqual(tSetValue, tPoco.Prop1);
String tSetValue2 = null;
tCachedInvoke.Invoke(tPoco, tSetValue2);
Assert.AreEqual(tSetValue2, tPoco.Prop1);
}
public void TestCacheableConstruct()
{
var tCachedInvoke = new CacheableInvocation(InvocationKind.Constructor, argCount: 1);
dynamic tCast = tCachedInvoke.Invoke(typeof(List<object>), new object[]
{
new string[] {"one", "two", "three"}
});
Assert.AreEqual("two", tCast[1]);
}
public void TestCachedMethodStaticOverloadingPassAndGetValue()
{
var tPoco = new OverloadingMethPoco();
var tValue = 1;
var tCachedInvoke = new CacheableInvocation(InvocationKind.InvokeMember, "Func", argCount: 1);
var tOut = tCachedInvoke.Invoke(tPoco, tValue);
Assert.AreEqual("int", tOut);
Assert.AreEqual("int", (object)tOut); //should still be int because this uses runtime type
var tOut2 = tCachedInvoke.Invoke(tPoco, 1m);
Assert.AreEqual("object", tOut2);
var tOut3 = tCachedInvoke.Invoke(tPoco, new { Anon = 1 });
Assert.AreEqual("object", tOut3);
}
public void TestCacheableDynamicSubtractAssign()
{
var tDynamic = Build.NewObject(Prop2: 3, Event: null, OnEvent: new ThisAction<object, EventArgs>((@this, obj, args) => @this.Event(obj, args)));
var tDynamic2 = Build.NewObject(Event: 3);
bool tTest = false;
var tEvent = new EventHandler<EventArgs>((@object, args) => { tTest = true; });
var tCachedInvoke = new CacheableInvocation(InvocationKind.SubtractAssign, "Event");
tDynamic.Event += tEvent;
tCachedInvoke.Invoke((object) tDynamic, tEvent);
tDynamic.OnEvent(null, null);
Assert.AreEqual(false, tTest);
tCachedInvoke.Invoke((object)tDynamic2, 4);
Assert.AreEqual(-1, tDynamic2.Event);
}
public void TestConvertCacheable()
{
var tEl = new XElement("Test", "45");
var tCacheInvoke = new CacheableInvocation(InvocationKind.Convert, convertType: typeof (int),
convertExplicit: true);
var tCast = tCacheInvoke.Invoke(tEl);
Assert.AreEqual(typeof(int), tCast.GetType());
Assert.AreEqual(45, tCast);
}
public void TestCacheablePocoSubtractAssign()
{
var tPoco = new PocoEvent();
bool tTest = false;
var tEvent = new EventHandler<EventArgs>((@object, args) => { tTest = true; });
var tCachedInvoke = new CacheableInvocation(InvocationKind.SubtractAssign, "Event");
tPoco.Event += tEvent;
tCachedInvoke.Invoke(tPoco, tEvent);
tPoco.OnEvent(null, null);
Assert.AreEqual(false, tTest);
tCachedInvoke.Invoke(tPoco, tEvent);//Test Second Time
var tPoco2 = new PropPoco() { Event = 3 };
tCachedInvoke.Invoke(tPoco2, 4);
Assert.AreEqual(-1, tPoco2.Event);
}
public void TestCacheablePocoAddAssign()
{
var tPoco = new PocoEvent();
bool tTest = false;
var tCachedInvoke = new CacheableInvocation(InvocationKind.AddAssign, "Event");
tCachedInvoke.Invoke(tPoco, new EventHandler<EventArgs>((@object, args) => { tTest = true; }));
tPoco.OnEvent(null, null);
Assert.AreEqual(true, tTest);
var tPoco2 = new PropPoco() { Event = 3 };
tCachedInvoke.Invoke(tPoco2, 4);
Assert.AreEqual(7L, tPoco2.Event);
}
public void TestCacheableIsEventAndIsNotEvent()
{
object tPoco = new PocoEvent();
var tCachedInvoke = new CacheableInvocation(InvocationKind.IsEvent, "Event");
var tResult = tCachedInvoke.Invoke(tPoco);
Assert.AreEqual(true, tResult);
dynamic tDynamic = new ImpromptuDictionary();
tDynamic.Event = null;
var tResult2 = tCachedInvoke.Invoke((object) tDynamic);
Assert.AreEqual(false, tResult2);
}
public void TestCacheableSetIndexer()
{
dynamic tSetValue = "3";
var tList = new List<string> { "1", "2" };
var tCachedInvoke = new CacheableInvocation(InvocationKind.SetIndex, argCount:2);
tCachedInvoke.Invoke(tList, 0, tSetValue);
Assert.AreEqual(tSetValue, tList[0]);
}
public void TestCacheableConstructOptional()
{
var tCachedInvoke = new CacheableInvocation(InvocationKind.Constructor, argCount: 1, argNames:new[]{"three"});
var tCast = (PocoOptConstructor)tCachedInvoke.Invoke(typeof(PocoOptConstructor), "3");
Assert.AreEqual("-1", tCast.One);
Assert.AreEqual("-2", tCast.Two);
Assert.AreEqual("3", tCast.Three);
}
public void TestCacheableMethodDynamicPassAndGetValue()
{
dynamic tExpando = new ExpandoObject();
tExpando.Func = new Func<int, string>(it => it.ToString());
var tValue = 1;
var tCachedInvoke = new CacheableInvocation(InvocationKind.InvokeMember, "Func", 1);
var tOut = tCachedInvoke.Invoke((object) tExpando, tValue);
Assert.AreEqual(tValue.ToString(), tOut);
}
public void TestCacheableStaticGet()
{
var tCached = new CacheableInvocation(InvocationKind.Get, "Today", context: typeof(DateTime).WithStaticContext());
var tDate = tCached.Invoke(typeof(DateTime));
Assert.AreEqual(DateTime.Today, tDate);
}
public void TestCacheableMethodPocoOverloadingPassAndGetValueArgOptional()
{
var tPoco = new OverloadingMethPoco();
var tValue = 1;
var tCachedIvnocation = new CacheableInvocation(InvocationKind.InvokeMember, "Func", argCount: 1,
argNames: new[] {"two"});
var tOut = tCachedIvnocation.Invoke(tPoco, tValue);
Assert.AreEqual("object named", tOut);
Assert.AreEqual("object named", (object)tOut);
}
public void TestCacheableConstructValueType()
{
var tCachedInvoke = new CacheableInvocation(InvocationKind.Constructor, argCount: 3);
dynamic tCast = tCachedInvoke.Invoke(typeof(DateTime), 2009, 1, 20);
Assert.AreEqual(20, tCast.Day);
}
public void TestCacheableMethodDynamicUnknowns()
{
var tTest = "Wrong";
var tValue = "Correct";
dynamic tExpando = new ExpandoObject();
tExpando.Action = new Action<string>(it => tTest = it);
tExpando.Func = new Func<string,string>(it => it);
var tCachedInvoke = new CacheableInvocation(InvocationKind.InvokeMemberUnknown, "Action", argCount: 1);
tCachedInvoke.Invoke((object)tExpando, tValue);
Assert.AreEqual(tValue, tTest);
var tCachedInvoke2 = new CacheableInvocation(InvocationKind.InvokeMemberUnknown, "Func", argCount: 1);
var Test2 =tCachedInvoke2.Invoke((object)tExpando, tValue);
Assert.AreEqual(tValue, Test2);
}
public void TestCacheablePrimativeDateTimeObjectNullableAndGuidNoParams()
{
var tCachedInvoke = new CacheableInvocation(InvocationKind.Constructor);
dynamic tCast = tCachedInvoke.Invoke(typeof(Int32));
Assert.AreEqual(default(Int32), tCast);
tCast = tCachedInvoke.Invoke(typeof(DateTime));
Assert.AreEqual(default(DateTime), tCast);
tCast = tCachedInvoke.Invoke(typeof(List<string>));
Assert.AreEqual(typeof(List<string>), tCast.GetType());
tCast = tCachedInvoke.Invoke(typeof(object));
Assert.AreEqual(typeof(object), tCast.GetType());
tCast = tCachedInvoke.Invoke(typeof(Nullable<Int32>));
Assert.AreEqual(null, tCast);
tCast = tCachedInvoke.Invoke(typeof(Guid));
Assert.AreEqual(default(Guid), tCast);
}
public void TestCacheableGetDynamic()
{
var tSetValue = "1";
dynamic tExpando = new ExpandoObject();
tExpando.Test = tSetValue;
var tCached = new CacheableInvocation(InvocationKind.Get, "Test");
var tOut = tCached.Invoke((object) tExpando);
Assert.AreEqual(tSetValue, tOut);
}
public void TestCacheableStaticCall()
{
var tCached = new CacheableInvocation(InvocationKind.InvokeMember, "Create".WithGenericArgs(typeof (bool)), argCount: 1,
context: typeof (StaticType).WithStaticContext());
var tOut = tCached.Invoke(typeof(StaticType), 1);
Assert.AreEqual(false, tOut);
}
/// <summary>
/// Initializes a new instance of the <see cref="BinderEventHandlerMemberName"/> class.
/// </summary>
/// <param name="name">The name.</param>
public BinderEventHandlerMemberName(string name)
{
_invocation = new CacheableInvocation(InvocationKind.InvokeMemberAction, name, 2);
}
public void TestCacheableGet()
{
var tCached =new CacheableInvocation(InvocationKind.Get, "Prop1");
var tSetValue = "1";
var tAnon = new PropPoco{ Prop1 = tSetValue };
var tOut = tCached.Invoke(tAnon);
Assert.AreEqual(tSetValue, tOut);
var tSetValue2 = "2";
tAnon = new PropPoco { Prop1 = tSetValue2 };
var tOut2 = tCached.Invoke(tAnon);
Assert.AreEqual(tSetValue2, tOut2);
}
public void TestOptionalArgumentActivationNoneAndCacheable()
{
AssertException<MissingMethodException>(() => Activator.CreateInstance<ImpromptuList>());
var tList= Impromptu.InvokeConstructor(typeof (ImpromptuList));
Assert.AreEqual(typeof(ImpromptuList),tList.GetType());
var tCachedInvoke = new CacheableInvocation(InvocationKind.Constructor);
var tList1 = tCachedInvoke.Invoke(typeof(ImpromptuList));
Assert.AreEqual(typeof(ImpromptuList), tList1.GetType());
}
public void TestCacheableStaticSet()
{
int tValue = 12;
var tCachedInvoke = new CacheableInvocation(InvocationKind.Set, "TestSet",
context: typeof (StaticType).WithStaticContext());
tCachedInvoke.Invoke(typeof(StaticType), tValue);
Assert.AreEqual(tValue, StaticType.TestSet);
}
