public void SingleModel_Annotation_OnEntityType()
{
const string applicationCsdl =
@"<Schema Namespace=""bar"" xmlns=""http://docs.oasis-open.org/odata/ns/edm"">
<Term Name=""MoreTransformedPersonTerm"" Type=""bar.MoreTransformedPerson"" />
<Annotations Target=""bar.Person"">
<Annotation Term=""bar.MoreTransformedPersonTerm"">
<Record>
<PropertyValue Property=""Description"" String=""I know it!"" />
</Record>
</Annotation>
</Annotations>
<EntityType Name=""MoreTransformedPerson"" BaseType=""bar.TransformedPerson"">
<Property Name=""Description"" Type=""String"" />
</EntityType>
<EntityType Name=""TransformedPerson"">
<Property Name=""Age"" Type=""Int32"" Nullable=""false"" />
</EntityType>
<EntityType Name=""Person"">
<Key>
<PropertyRef Name=""Name"" />
</Key>
<Property Name=""Name"" Type=""String"" Nullable=""false"" />
</EntityType>
</Schema>";
IEdmModel applicationModel = this.Parse(applicationCsdl);
EdmExpressionEvaluator expressionEvaluator = new EdmExpressionEvaluator(null);
var term = applicationModel.FindTerm("bar.MoreTransformedPersonTerm");
var property = applicationModel.FindEntityType("bar.MoreTransformedPerson").FindProperty("Description");
var fakeContextValue = new EdmStructuredValue(new EdmEntityTypeReference(applicationModel.FindEntityType("bar.Person"), true), Enumerable.Empty <IEdmPropertyValue>());
IEdmValue valueOfAnnotation = applicationModel.GetPropertyValue(fakeContextValue, term, property, expressionEvaluator);
Assert.AreEqual("I know it!", ((IEdmStringValue)valueOfAnnotation).Value, "Annotation evaluated value.");
}
public void EvaluateUnboundTerms()
{
const string applicationCsdl =
@"<Schema Namespace=""bar"" xmlns=""http://docs.oasis-open.org/odata/ns/edm"">
<Annotations Target=""bar.Person"">
<Annotation Term=""bar.RandomTerm"" Path=""Extra"" />
</Annotations>
<EntityType Name=""Person"">
<Key>
<PropertyRef Name=""Name"" />
</Key>
<Property Name=""Name"" Type=""String"" Nullable=""false"" />
<Property Name=""Decoration"" Type=""bar.Decoration"">
<Annotation Term=""bar.DecorationTerm"" Qualifier=""Goodness"" String=""Excellent"" />
</Property>
</EntityType>
<ComplexType Name=""Decoration"">
<Property Name=""One"" Type=""Int32"" />
<Property Name=""Two"" Type=""Int32"" />
</ComplexType>
</Schema>";
IEdmModel applicationModel = this.Parse(applicationCsdl);
IEdmEntityType person = (IEdmEntityType)applicationModel.FindType("bar.Person");
IEdmProperty personDecoration = person.FindProperty("Decoration");
EdmToClrEvaluator evaluator = new EdmToClrEvaluator(null);
List <IEdmPropertyValue> decorationPropertyValues = new List <IEdmPropertyValue>();
decorationPropertyValues.Add(new EdmPropertyValue("One", new EdmIntegerConstant(1)));
decorationPropertyValues.Add(new EdmPropertyValue("Two", new EdmIntegerConstant(2)));
List <IEdmPropertyValue> propertyValues = new List <IEdmPropertyValue>();
propertyValues.Add(new EdmPropertyValue("Name", new EdmStringConstant("Goober")));
propertyValues.Add(new EdmPropertyValue("Decoration", new EdmStructuredValue(null, decorationPropertyValues)));
propertyValues.Add(new EdmPropertyValue("Extra", new EdmStringConstant("Extra value!")));
IEdmStructuredValue context = new EdmStructuredValue(new EdmEntityTypeReference(person, false), propertyValues);
string random = applicationModel.GetTermValue <string>(context, "bar.RandomTerm", evaluator);
Assert.AreEqual("Extra value!", random, "Annotation evaluated value.");
IEdmValue randomValue = applicationModel.GetTermValue(context, "bar.RandomTerm", evaluator);
Assert.AreEqual("Extra value!", ((IEdmStringValue)randomValue).Value, "Annotation evaluated value.");
string goodness = applicationModel.GetTermValue <string>(personDecoration, "bar.DecorationTerm", "Goodness", evaluator);
Assert.AreEqual("Excellent", goodness, "Annotation evaluated value.");
IEdmValue goodnessValue = applicationModel.GetTermValue(personDecoration, "bar.DecorationTerm", "Goodness", evaluator);
Assert.AreEqual("Excellent", ((IEdmStringValue)goodnessValue).Value, "Annotation evaluated value.");
IEdmVocabularyAnnotation randomTermAnnotation = applicationModel.FindVocabularyAnnotations <IEdmVocabularyAnnotation>(person, "bar.RandomTerm").Single();
random = evaluator.EvaluateToClrValue <string>(randomTermAnnotation.Value, context);
Assert.AreEqual("Extra value!", random, "Annotation evaluated value.");
}
private void SetupValues()
{
IEdmEntityType person = (IEdmEntityType)this.baseModel.FindType("foo.Person");
IEdmEntityType professional = (IEdmEntityType)this.baseModel.FindType("foo.Professional");
IEdmEntityType address = (IEdmEntityType)this.baseModel.FindType("foo.Address");
// ?? no EdmComplexValue
var zipMain = new EdmPropertyValue("Main", new EdmStringConstant("98052"));
var zipExtension = new EdmPropertyValue("Extension", new EdmStringConstant("0000"));
var zipValue = new EdmPropertyValue("Zip", new EdmStructuredValue(null, new EdmPropertyValue[] { zipMain, zipExtension }));
EdmPropertyValue address1Number = new EdmPropertyValue("Number", new EdmIntegerConstant(null, 1));
EdmPropertyValue address1Street = new EdmPropertyValue("Street", new EdmStringConstant(null, "Joey Ramone Place"));
EdmPropertyValue address1City = new EdmPropertyValue("City", new EdmStringConstant(null, "New York"));
EdmPropertyValue address1State = new EdmPropertyValue("State", new EdmStringConstant(null, "New York"));
EdmPropertyValue[] address1Properties = new EdmPropertyValue[] { address1Number, address1Street, address1City, address1State, zipValue };
EdmStructuredValue address1Value = new EdmStructuredValue(new EdmEntityTypeReference(address, true), address1Properties);
var phoneLocal = new EdmPropertyValue("Local", new EdmIntegerConstant(9991234));
var phoneValue = new EdmPropertyValue("WorkPhone", new EdmStructuredValue(null, new EdmPropertyValue[] { phoneLocal }));
var contactInfoValue = new EdmPropertyValue("ContactInfo", new EdmStructuredValue(null, new EdmPropertyValue[] { phoneValue }));
EdmPropertyValue person1Name = new EdmPropertyValue("Name", new EdmStringConstant(null, "Joey Ramone"));
EdmPropertyValue person1Birthday = new EdmPropertyValue("Birthday", new EdmDateTimeOffsetConstant(null, new DateTimeOffset(1951, 5, 19, 0, 0, 0, TimeSpan.Zero)));
EdmPropertyValue person1CoolnessIndex = new EdmPropertyValue("CoolnessIndex", new EdmIntegerConstant(null, Int32.MaxValue));
EdmPropertyValue person1Living = new EdmPropertyValue("Living", new EdmBooleanConstant(false));
EdmPropertyValue person1Famous = new EdmPropertyValue("Famous", new EdmBooleanConstant(null, true));
EdmPropertyValue person1Address = new EdmPropertyValue("Address", address1Value);
EdmPropertyValue[] person1Properties = new EdmPropertyValue[] { person1Name, person1Birthday, person1CoolnessIndex, person1Living, person1Famous, person1Address, contactInfoValue };
this.personValue = new EdmStructuredValue(new EdmEntityTypeReference(person, false), person1Properties);
this.professionalValue = new EdmStructuredValue(new EdmEntityTypeReference(professional, false), person1Properties);
}
public void ClrTypeMappingValueAnnotationRecordValueTypeTest()
{
var csdls = new List <XElement>();
csdls.Add(XElement.Parse(
@"<Schema Namespace='NS1' xmlns='http://docs.oasis-open.org/odata/ns/edm'>
<EntityType Name='Person'>
<Property Name='Id' Type='Int16' Nullable='false' />
<Property Name='FirstName' Type='String' Nullable='false' Unicode='true' />
<Property Name='LastName' Type='String' Nullable='false' Unicode='true' />
</EntityType>
<EntityType Name='DifferentPerson'>
<Property Name='Id' Type='Int16' Nullable='false' />
<Property Name='FirstName' Type='String' Nullable='false' Unicode='true' />
<Property Name='LastName' Type='String' Nullable='false' Unicode='true' />
</EntityType>
<Term Name='InspectedBy' Type='NS1.DifferentPerson' Nullable='false' />
<Annotations Target='NS1.Person'>
<Annotation Term=""NS1.InspectedBy"">
<Record>
<PropertyValue Property=""Id"" Int=""10"" />
<PropertyValue Property=""FirstName"">
<String>Young</String>
</PropertyValue>
<PropertyValue Property=""LastName"" String='Hong'>
</PropertyValue>
</Record>
</Annotation>
</Annotations>
</Schema>"
));
var edmModel = this.GetParserResult(csdls);
var person = edmModel.FindEntityType("NS1.Person");
var differentPerson = edmModel.FindEntityType("NS1.DifferentPerson");
EdmStructuredValue dummyPerson =
new EdmStructuredValue(
new EdmEntityTypeReference(person, false),
new EdmPropertyValue[3]
{
new EdmPropertyValue("Id", new EdmIntegerConstant(-1)),
new EdmPropertyValue("FirstName", new EdmStringConstant("Noman")),
new EdmPropertyValue("LastName", new EdmStringConstant("Nobody"))
});
var edmValue = edmModel.GetTermValue(dummyPerson, "NS1.InspectedBy", new EdmToClrEvaluator(null));
Assert.AreEqual(edmValue.Type.Definition, differentPerson, "The InspectedBy annotation's type should be same as type defined in the term.");
}
//[TestMethod, Variation(Id = 202, SkipReason = @"[EdmLib] Evaluator extension method assumes value is always EntityValue -- postponed")]
public void GetTermValueWithNonEntityTest()
{
const string annotatingModelCsdl =
@"<Schema Namespace=""foo"" xmlns=""http://docs.oasis-open.org/odata/ns/edm"">
<Term Name=""DistantAge"" Type=""Int32"" />
</Schema>";
var aValue = new EdmStructuredValue(null, new IEdmPropertyValue[]
{
new EdmPropertyValue("P1", new EdmStringConstant("aStringValueOne")),
new EdmPropertyValue("P2", new EdmStringConstant("aStringValueTwo")),
});
var edmModel = this.GetParserResult(new XElement[] { XElement.Parse(annotatingModelCsdl) });
var evaluator = new EdmExpressionEvaluator(null);
edmModel.GetTermValue(aValue, edmModel.FindTerm("foo.DistantAge"), evaluator);
}
public void TestElementInterfaceCriticalEnumerableMustNotHaveNullElements()
{
var expectedErrors = new EdmLibTestErrors()
{
{ null, null, EdmErrorCode.InterfaceCriticalEnumerableMustNotHaveNullElements }
};
EdmPropertyValue personName = new EdmPropertyValue("Name", new EdmStringConstant("foo"));
EdmPropertyValue[] properties = new EdmPropertyValue[] { personName, null };
var structuralValue = new EdmStructuredValue(new EdmEntityTypeReference(new EdmEntityType("", ""), false), properties);
var actualErrors = structuralValue.Errors();
Assert.IsTrue(structuralValue.IsBad(), "Element is expected to be bad.");
this.CompareErrors(actualErrors, expectedErrors);
}
private static void RunPinningTest(StringBuilder builder, params object[] keyValues)
{
var compositeKey = keyValues.Select((k, i) => new { Name = "prop" + i, Value = k }).ToArray();
var allKeys = keyValues.Select(k => new[] { new { Name = "prop", Value = k } }).Concat(new[] { compositeKey });
foreach (var key in allKeys)
{
if (builder.Length > 0)
{
builder.AppendLine();
}
var properties = key.Select(p => new EdmPropertyValue(p.Name, EdmValueUtils.ConvertPrimitiveValue(p.Value, null).Value)).ToList();
var entityType = new EdmEntityType("Fake", "Fake");
entityType.AddKeys(properties.Select(p => new EdmStructuralProperty(entityType, p.Name, p.Value.Type)));
var entity = new EdmStructuredValue(new EdmEntityTypeReference(entityType, false), properties);
ODataConventionalUriBuilder uriBuilder = new ODataConventionalUriBuilder(new Uri("http://baseuri.org/"), UrlConvention.CreateWithExplicitValue(false));
var entityInstanceUri = uriBuilder.BuildEntityInstanceUri(new Uri("http://baseuri.org/Customers"), new Collection <KeyValuePair <string, object> >(properties.Select(p => new KeyValuePair <string, object>(p.Name, ((IEdmPrimitiveValue)p.Value).ToClrValue())).ToList()), entity.Type.FullName());
builder.Append(entityInstanceUri.OriginalString.Replace("http://baseuri.org/Customers", null).Replace("()", "%28%29"));
}
builder.AppendLine();
}
private IEdmValue Eval(IEdmExpression expression, IEdmStructuredValue context)
{
switch (expression.ExpressionKind)
{
case EdmExpressionKind.IntegerConstant:
return((IEdmIntegerConstantExpression)expression);
case EdmExpressionKind.StringConstant:
return((IEdmStringConstantExpression)expression);
case EdmExpressionKind.BinaryConstant:
return((IEdmBinaryConstantExpression)expression);
case EdmExpressionKind.BooleanConstant:
return((IEdmBooleanConstantExpression)expression);
case EdmExpressionKind.DateTimeConstant:
return((IEdmDateTimeConstantExpression)expression);
case EdmExpressionKind.DateTimeOffsetConstant:
return((IEdmDateTimeOffsetConstantExpression)expression);
case EdmExpressionKind.DecimalConstant:
return((IEdmDecimalConstantExpression)expression);
case EdmExpressionKind.FloatingConstant:
return((IEdmFloatingConstantExpression)expression);
case EdmExpressionKind.GuidConstant:
return((IEdmGuidConstantExpression)expression);
case EdmExpressionKind.TimeConstant:
return((IEdmTimeConstantExpression)expression);
case EdmExpressionKind.Null:
return((IEdmNullExpression)expression);
case EdmExpressionKind.Path:
{
EdmUtil.CheckArgumentNull(context, "context");
IEdmPathExpression pathExpression = (IEdmPathExpression)expression;
IEdmValue result = context;
foreach (string hop in pathExpression.Path)
{
result = this.FindProperty(hop, result);
if (result == null)
{
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnboundPath(hop));
}
}
return(result);
}
case EdmExpressionKind.FunctionApplication:
{
IEdmApplyExpression apply = (IEdmApplyExpression)expression;
IEdmExpression targetReference = apply.AppliedFunction;
IEdmFunctionReferenceExpression targetFunctionReference = targetReference as IEdmFunctionReferenceExpression;
if (targetFunctionReference != null)
{
IList <IEdmExpression> argumentExpressions = apply.Arguments.ToList();
IEdmValue[] arguments = new IEdmValue[argumentExpressions.Count()];
{
int argumentIndex = 0;
foreach (IEdmExpression argument in argumentExpressions)
{
arguments[argumentIndex++] = this.Eval(argument, context);
}
}
IEdmFunction target = targetFunctionReference.ReferencedFunction;
if (!target.IsBad())
{
//// Static validation will have checked that the number and types of arguments are correct,
//// so those checks are not performed dynamically.
Func <IEdmValue[], IEdmValue> functionEvaluator;
if (this.builtInFunctions.TryGetValue(target, out functionEvaluator))
{
return(functionEvaluator(arguments));
}
}
if (this.lastChanceFunctionApplier != null)
{
return(this.lastChanceFunctionApplier(target.FullName(), arguments));
}
}
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnboundFunction(targetFunctionReference != null ? targetFunctionReference.ReferencedFunction.ToTraceString() : string.Empty));
}
case EdmExpressionKind.If:
{
IEdmIfExpression ifExpression = (IEdmIfExpression)expression;
if (((IEdmBooleanValue)this.Eval(ifExpression.TestExpression, context)).Value)
{
return(this.Eval(ifExpression.TrueExpression, context));
}
return(this.Eval(ifExpression.FalseExpression, context));
}
case EdmExpressionKind.IsType:
{
IEdmIsTypeExpression isType = (IEdmIsTypeExpression)expression;
IEdmValue operand = this.Eval(isType.Operand, context);
IEdmTypeReference targetType = isType.Type;
return(new EdmBooleanConstant(MatchesType(targetType, operand)));
}
case EdmExpressionKind.AssertType:
{
IEdmAssertTypeExpression assertType = (IEdmAssertTypeExpression)expression;
IEdmValue operand = this.Eval(assertType.Operand, context);
IEdmTypeReference targetType = assertType.Type;
return(AssertType(targetType, operand));
}
case EdmExpressionKind.Record:
{
IEdmRecordExpression record = (IEdmRecordExpression)expression;
DelayedExpressionContext recordContext = new DelayedExpressionContext(this, context);
List <IEdmPropertyValue> propertyValues = new List <IEdmPropertyValue>();
//// Static validation will have checked that the set of supplied properties are appropriate
//// for the supplied type and have no duplicates, so those checks are not performed dynamically.
foreach (IEdmPropertyConstructor propertyConstructor in record.Properties)
{
propertyValues.Add(new DelayedRecordProperty(recordContext, propertyConstructor));
}
EdmStructuredValue result = new EdmStructuredValue(record.DeclaredType != null ? record.DeclaredType.AsStructured() : null, propertyValues);
return(result);
}
case EdmExpressionKind.Collection:
{
IEdmCollectionExpression collection = (IEdmCollectionExpression)expression;
DelayedExpressionContext collectionContext = new DelayedExpressionContext(this, context);
List <IEdmDelayedValue> elementValues = new List <IEdmDelayedValue>();
//// Static validation will have checked that the result types of the element expressions are
//// appropriate and so these checks are not performed dynamically.
foreach (IEdmExpression element in collection.Elements)
{
elementValues.Add(this.MapLabeledExpressionToDelayedValue(element, collectionContext, context));
}
EdmCollectionValue result = new EdmCollectionValue(collection.DeclaredType != null ? collection.DeclaredType.AsCollection() : null, elementValues);
return(result);
}
case EdmExpressionKind.LabeledExpressionReference:
{
return(this.MapLabeledExpressionToDelayedValue(((IEdmLabeledExpressionReferenceExpression)expression).ReferencedLabeledExpression, null, context).Value);
}
case EdmExpressionKind.Labeled:
return(this.MapLabeledExpressionToDelayedValue(expression, new DelayedExpressionContext(this, context), context).Value);
case EdmExpressionKind.ParameterReference:
case EdmExpressionKind.FunctionReference:
case EdmExpressionKind.PropertyReference:
case EdmExpressionKind.ValueTermReference:
case EdmExpressionKind.EntitySetReference:
case EdmExpressionKind.EnumMemberReference:
throw new InvalidOperationException("Not yet implemented: evaluation of " + expression.ExpressionKind.ToString() + " expressions.");
default:
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnrecognizedExpressionKind(((int)expression.ExpressionKind).ToString(System.Globalization.CultureInfo.InvariantCulture)));
}
}
public void TestStructuredValue()
{
var constant = new EdmStructuredValue(null, new List <IEdmPropertyValue>());
Assert.AreEqual(EdmValueKind.Structured, constant.ValueKind, "Invalid value kind.");
}
private IEdmValue Eval(IEdmExpression expression, IEdmStructuredValue context)
{
switch (expression.ExpressionKind)
{
case EdmExpressionKind.IntegerConstant:
return((IEdmIntegerConstantExpression)expression);
case EdmExpressionKind.StringConstant:
return((IEdmStringConstantExpression)expression);
case EdmExpressionKind.BinaryConstant:
return((IEdmBinaryConstantExpression)expression);
case EdmExpressionKind.BooleanConstant:
return((IEdmBooleanConstantExpression)expression);
case EdmExpressionKind.DateTimeOffsetConstant:
return((IEdmDateTimeOffsetConstantExpression)expression);
case EdmExpressionKind.DecimalConstant:
return((IEdmDecimalConstantExpression)expression);
case EdmExpressionKind.FloatingConstant:
return((IEdmFloatingConstantExpression)expression);
case EdmExpressionKind.GuidConstant:
return((IEdmGuidConstantExpression)expression);
case EdmExpressionKind.DurationConstant:
return((IEdmDurationConstantExpression)expression);
case EdmExpressionKind.DateConstant:
return((IEdmDateConstantExpression)expression);
case EdmExpressionKind.TimeOfDayConstant:
return((IEdmTimeOfDayConstantExpression)expression);
case EdmExpressionKind.Null:
return((IEdmNullExpression)expression);
case EdmExpressionKind.Path:
{
if (context == null)
{
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_NoContextPath);
}
IEdmPathExpression pathExpression = (IEdmPathExpression)expression;
IEdmValue result = context;
#if ORCAS
// [EdmLib] Need to handle paths that bind to things other than properties.
foreach (string hop in pathExpression.Path)
{
result = FindProperty(hop, result);
if (result == null)
{
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnboundPath(hop));
}
}
#else
// Only Support Annotation in EntityType or ComplexType or Property or NavigationProperty.
// Empty Path is not supported.
foreach (string hop in pathExpression.Path)
{
if (hop.Contains("@"))
{
var currentPathSegementInfos = hop.Split('@');
var propertyName = currentPathSegementInfos[0];
var termInfo = currentPathSegementInfos[1];
IEdmExpression termCastExpression = null;
if (!string.IsNullOrWhiteSpace(termInfo))
{
var termInfos = termInfo.Split('#');
if (termInfos.Length <= 2)
{
string termName = termInfos[0];
string qualifier = termInfos.Length == 2 ? termInfos[1] : null;
if (string.IsNullOrWhiteSpace(propertyName) && this.getAnnotationExpressionForType != null)
{
termCastExpression = this.getAnnotationExpressionForType(edmModel, context.Type.Definition, termName, qualifier);
}
else if (!string.IsNullOrWhiteSpace(propertyName) && this.getAnnotationExpressionForProperty != null)
{
termCastExpression = this.getAnnotationExpressionForProperty(edmModel, context.Type.Definition, propertyName, termName, qualifier);
}
}
}
if (termCastExpression == null)
{
result = null;
break;
}
result = this.Eval(termCastExpression, context);
}
else if (hop == "$count")
{
var edmCollectionValue = result as IEdmCollectionValue;
if (edmCollectionValue != null)
{
result = new EdmIntegerConstant(edmCollectionValue.Elements.Count());
}
else
{
result = null;
break;
}
}
else if (hop.Contains("."))
{
if (edmModel == null)
{
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_TypeCastNeedsEdmModel);
}
IEdmType typeSegmentClientType = this.resolveTypeFromName(hop, this.edmModel);
if (typeSegmentClientType == null)
{
result = null;
break;
}
IEdmTypeReference operandType = result.Type;
EdmValueKind operandKind = result.ValueKind;
if (operandKind == EdmValueKind.Collection)
{
List <IEdmDelayedValue> elementValues = new List <IEdmDelayedValue>();
var collection = result as IEdmCollectionValue;
foreach (IEdmDelayedValue element in collection.Elements)
{
if (element.Value.Type.Definition.IsOrInheritsFrom(typeSegmentClientType))
{
elementValues.Add(element);
}
}
result = new EdmCollectionValue(
new EdmCollectionTypeReference(new EdmCollectionType(typeSegmentClientType.GetTypeReference(false))),
elementValues);
}
else if (operandKind != EdmValueKind.Structured ||
(operandKind == EdmValueKind.Structured &&
!operandType.Definition.IsOrInheritsFrom(typeSegmentClientType)))
{
result = null;
break;
}
}
else
{
result = FindProperty(hop, result);
if (result == null)
{
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnboundPath(hop));
}
}
}
#endif
return(result);
}
case EdmExpressionKind.PropertyPath:
case EdmExpressionKind.NavigationPropertyPath:
{
EdmUtil.CheckArgumentNull(context, "context");
IEdmPathExpression pathExpression = (IEdmPathExpression)expression;
IEdmValue result = context;
// [EdmLib] Need to handle paths that bind to things other than properties.
foreach (string hop in pathExpression.Path)
{
result = FindProperty(hop, result);
if (result == null)
{
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnboundPath(hop));
}
}
return(result);
}
case EdmExpressionKind.OperationApplication:
{
IEdmApplyExpression apply = (IEdmApplyExpression)expression;
IEdmExpression targetReference = apply.AppliedOperation;
IEdmOperationReferenceExpression targetOperationReference = targetReference as IEdmOperationReferenceExpression;
if (targetOperationReference != null)
{
IList <IEdmExpression> argumentExpressions = apply.Arguments.ToList();
IEdmValue[] arguments = new IEdmValue[argumentExpressions.Count()];
{
int argumentIndex = 0;
foreach (IEdmExpression argument in argumentExpressions)
{
arguments[argumentIndex++] = this.Eval(argument, context);
}
}
IEdmOperation target = targetOperationReference.ReferencedOperation;
//// Static validation will have checked that the number and types of arguments are correct,
//// so those checks are not performed dynamically.
Func <IEdmValue[], IEdmValue> operationEvaluator;
if (this.builtInFunctions.TryGetValue(target, out operationEvaluator))
{
return(operationEvaluator(arguments));
}
if (this.lastChanceOperationApplier != null)
{
return(this.lastChanceOperationApplier(target.FullName(), arguments));
}
}
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnboundFunction(targetOperationReference != null ? targetOperationReference.ReferencedOperation.ToTraceString() : string.Empty));
}
case EdmExpressionKind.If:
{
IEdmIfExpression ifExpression = (IEdmIfExpression)expression;
if (((IEdmBooleanValue)this.Eval(ifExpression.TestExpression, context)).Value)
{
return(this.Eval(ifExpression.TrueExpression, context));
}
return(this.Eval(ifExpression.FalseExpression, context));
}
case EdmExpressionKind.IsType:
{
IEdmIsTypeExpression isType = (IEdmIsTypeExpression)expression;
IEdmValue operand = this.Eval(isType.Operand, context);
IEdmTypeReference targetType = isType.Type;
return(new EdmBooleanConstant(MatchesType(targetType, operand)));
}
case EdmExpressionKind.Cast:
{
IEdmCastExpression castType = (IEdmCastExpression)expression;
IEdmValue operand = this.Eval(castType.Operand, context);
IEdmTypeReference targetType = castType.Type;
return(Cast(targetType, operand));
}
case EdmExpressionKind.Record:
{
IEdmRecordExpression record = (IEdmRecordExpression)expression;
DelayedExpressionContext recordContext = new DelayedExpressionContext(this, context);
List <IEdmPropertyValue> propertyValues = new List <IEdmPropertyValue>();
//// Static validation will have checked that the set of supplied properties are appropriate
//// for the supplied type and have no duplicates, so those checks are not performed dynamically.
foreach (IEdmPropertyConstructor propertyConstructor in record.Properties)
{
propertyValues.Add(new DelayedRecordProperty(recordContext, propertyConstructor));
}
EdmStructuredValue result = new EdmStructuredValue(record.DeclaredType != null ? record.DeclaredType.AsStructured() : null, propertyValues);
return(result);
}
case EdmExpressionKind.Collection:
{
IEdmCollectionExpression collection = (IEdmCollectionExpression)expression;
DelayedExpressionContext collectionContext = new DelayedExpressionContext(this, context);
List <IEdmDelayedValue> elementValues = new List <IEdmDelayedValue>();
//// Static validation will have checked that the result types of the element expressions are
//// appropriate and so these checks are not performed dynamically.
foreach (IEdmExpression element in collection.Elements)
{
elementValues.Add(this.MapLabeledExpressionToDelayedValue(element, collectionContext, context));
}
EdmCollectionValue result = new EdmCollectionValue(collection.DeclaredType != null ? collection.DeclaredType.AsCollection() : null, elementValues);
return(result);
}
case EdmExpressionKind.LabeledExpressionReference:
{
return(this.MapLabeledExpressionToDelayedValue(((IEdmLabeledExpressionReferenceExpression)expression).ReferencedLabeledExpression, null, context).Value);
}
case EdmExpressionKind.Labeled:
return(this.MapLabeledExpressionToDelayedValue(expression, new DelayedExpressionContext(this, context), context).Value);
case EdmExpressionKind.EnumMember:
IEdmEnumMemberExpression enumMemberExpression = (IEdmEnumMemberExpression)expression;
var enumMembers = enumMemberExpression.EnumMembers.ToList();
IEdmEnumType enumType = enumMembers.First().DeclaringType;
IEdmEnumTypeReference enumTypeReference = new EdmEnumTypeReference(enumType, false);
if (enumMembers.Count() == 1)
{
return(new EdmEnumValue(enumTypeReference, enumMemberExpression.EnumMembers.Single()));
}
else
{
if (!enumType.IsFlags || !EdmEnumValueParser.IsEnumIntergeType(enumType))
{
throw new InvalidOperationException(string.Format(CultureInfo.InvariantCulture, "Type {0} cannot be assigned with multi-values.", enumType.FullName()));
}
long result = 0;
foreach (var enumMember in enumMembers)
{
long value = (enumMember.Value as EdmIntegerConstant).Value;
result |= value;
}
return(new EdmEnumValue(enumTypeReference, new EdmIntegerConstant(result)));
}
case EdmExpressionKind.EnumMemberReference:
IEdmEnumMemberReferenceExpression enumMemberReferenceExpression = (IEdmEnumMemberReferenceExpression)expression;
var referencedEnumMember = enumMemberReferenceExpression.ReferencedEnumMember;
IEdmEnumTypeReference referencedEnumTypeReference = new EdmEnumTypeReference(referencedEnumMember.DeclaringType, false);
return(new EdmEnumValue(referencedEnumTypeReference, enumMemberReferenceExpression.ReferencedEnumMember));
case EdmExpressionKind.ParameterReference:
case EdmExpressionKind.OperationReference:
case EdmExpressionKind.PropertyReference:
case EdmExpressionKind.ValueTermReference:
case EdmExpressionKind.EntitySetReference:
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnrecognizedExpressionKind(((int)expression.ExpressionKind).ToString(System.Globalization.CultureInfo.InvariantCulture)));
default:
throw new InvalidOperationException(Edm.Strings.Edm_Evaluator_UnrecognizedExpressionKind(((int)expression.ExpressionKind).ToString(System.Globalization.CultureInfo.InvariantCulture)));
}
}
private IEdmValue Eval(IEdmExpression expression, IEdmStructuredValue context)
{
Func <IEdmValue[], IEdmValue> func = null;
IEdmStructuredTypeReference edmStructuredTypeReference;
IEdmCollectionTypeReference edmCollectionTypeReference;
object traceString;
EdmExpressionKind expressionKind = expression.ExpressionKind;
switch (expressionKind)
{
case EdmExpressionKind.BinaryConstant:
{
return((IEdmBinaryConstantExpression)expression);
}
case EdmExpressionKind.BooleanConstant:
{
return((IEdmBooleanConstantExpression)expression);
}
case EdmExpressionKind.DateTimeConstant:
{
return((IEdmDateTimeConstantExpression)expression);
}
case EdmExpressionKind.DateTimeOffsetConstant:
{
return((IEdmDateTimeOffsetConstantExpression)expression);
}
case EdmExpressionKind.DecimalConstant:
{
return((IEdmDecimalConstantExpression)expression);
}
case EdmExpressionKind.FloatingConstant:
{
return((IEdmFloatingConstantExpression)expression);
}
case EdmExpressionKind.GuidConstant:
{
return((IEdmGuidConstantExpression)expression);
}
case EdmExpressionKind.IntegerConstant:
{
return((IEdmIntegerConstantExpression)expression);
}
case EdmExpressionKind.StringConstant:
{
return((IEdmStringConstantExpression)expression);
}
case EdmExpressionKind.TimeConstant:
{
return((IEdmTimeConstantExpression)expression);
}
case EdmExpressionKind.Null:
{
return((IEdmNullExpression)expression);
}
case EdmExpressionKind.Record:
{
IEdmRecordExpression edmRecordExpression = (IEdmRecordExpression)expression;
EdmExpressionEvaluator.DelayedExpressionContext delayedExpressionContext = new EdmExpressionEvaluator.DelayedExpressionContext(this, context);
List <IEdmPropertyValue> edmPropertyValues = new List <IEdmPropertyValue>();
foreach (IEdmPropertyConstructor property in edmRecordExpression.Properties)
{
edmPropertyValues.Add(new EdmExpressionEvaluator.DelayedRecordProperty(delayedExpressionContext, property));
}
if (edmRecordExpression.DeclaredType != null)
{
edmStructuredTypeReference = edmRecordExpression.DeclaredType.AsStructured();
}
else
{
edmStructuredTypeReference = null;
}
EdmStructuredValue edmStructuredValue = new EdmStructuredValue(edmStructuredTypeReference, edmPropertyValues);
return(edmStructuredValue);
}
case EdmExpressionKind.Collection:
{
IEdmCollectionExpression edmCollectionExpression = (IEdmCollectionExpression)expression;
EdmExpressionEvaluator.DelayedExpressionContext delayedExpressionContext1 = new EdmExpressionEvaluator.DelayedExpressionContext(this, context);
List <IEdmDelayedValue> edmDelayedValues = new List <IEdmDelayedValue>();
foreach (IEdmExpression element in edmCollectionExpression.Elements)
{
edmDelayedValues.Add(this.MapLabeledExpressionToDelayedValue(element, delayedExpressionContext1, context));
}
if (edmCollectionExpression.DeclaredType != null)
{
edmCollectionTypeReference = edmCollectionExpression.DeclaredType.AsCollection();
}
else
{
edmCollectionTypeReference = null;
}
EdmCollectionValue edmCollectionValue = new EdmCollectionValue(edmCollectionTypeReference, edmDelayedValues);
return(edmCollectionValue);
}
case EdmExpressionKind.Path:
{
EdmUtil.CheckArgumentNull <IEdmStructuredValue>(context, "context");
IEdmPathExpression edmPathExpression = (IEdmPathExpression)expression;
IEdmValue edmValue = context;
foreach (string path in edmPathExpression.Path)
{
edmValue = this.FindProperty(path, edmValue);
if (edmValue != null)
{
continue;
}
throw new InvalidOperationException(Strings.Edm_Evaluator_UnboundPath(path));
}
return(edmValue);
}
case EdmExpressionKind.ParameterReference:
case EdmExpressionKind.FunctionReference:
case EdmExpressionKind.PropertyReference:
case EdmExpressionKind.ValueTermReference:
case EdmExpressionKind.EntitySetReference:
case EdmExpressionKind.EnumMemberReference:
{
throw new InvalidOperationException(string.Concat("Not yet implemented: evaluation of ", expression.ExpressionKind.ToString(), " expressions."));
}
case EdmExpressionKind.If:
{
IEdmIfExpression edmIfExpression = (IEdmIfExpression)expression;
if (!((IEdmBooleanValue)this.Eval(edmIfExpression.TestExpression, context)).Value)
{
return(this.Eval(edmIfExpression.FalseExpression, context));
}
else
{
return(this.Eval(edmIfExpression.TrueExpression, context));
}
}
case EdmExpressionKind.AssertType:
{
IEdmAssertTypeExpression edmAssertTypeExpression = (IEdmAssertTypeExpression)expression;
IEdmValue edmValue1 = this.Eval(edmAssertTypeExpression.Operand, context);
IEdmTypeReference type = edmAssertTypeExpression.Type;
return(EdmExpressionEvaluator.AssertType(type, edmValue1));
}
case EdmExpressionKind.IsType:
{
IEdmIsTypeExpression edmIsTypeExpression = (IEdmIsTypeExpression)expression;
IEdmValue edmValue2 = this.Eval(edmIsTypeExpression.Operand, context);
IEdmTypeReference edmTypeReference = edmIsTypeExpression.Type;
return(new EdmBooleanConstant(EdmExpressionEvaluator.MatchesType(edmTypeReference, edmValue2)));
}
case EdmExpressionKind.FunctionApplication:
{
IEdmApplyExpression edmApplyExpression = (IEdmApplyExpression)expression;
IEdmExpression appliedFunction = edmApplyExpression.AppliedFunction;
IEdmFunctionReferenceExpression edmFunctionReferenceExpression = appliedFunction as IEdmFunctionReferenceExpression;
if (edmFunctionReferenceExpression != null)
{
IList <IEdmExpression> list = edmApplyExpression.Arguments.ToList <IEdmExpression>();
IEdmValue[] edmValueArray = new IEdmValue[list.Count <IEdmExpression>()];
int num = 0;
foreach (IEdmExpression edmExpression in list)
{
int num1 = num;
num = num1 + 1;
edmValueArray[num1] = this.Eval(edmExpression, context);
}
IEdmFunction referencedFunction = edmFunctionReferenceExpression.ReferencedFunction;
if (referencedFunction.IsBad() || !this.builtInFunctions.TryGetValue(referencedFunction, out func))
{
if (this.lastChanceFunctionApplier != null)
{
return(this.lastChanceFunctionApplier(referencedFunction.FullName(), edmValueArray));
}
}
else
{
return(func(edmValueArray));
}
}
if (edmFunctionReferenceExpression != null)
{
traceString = edmFunctionReferenceExpression.ReferencedFunction.ToTraceString();
}
else
{
traceString = string.Empty;
}
throw new InvalidOperationException(Strings.Edm_Evaluator_UnboundFunction(traceString));
}
case EdmExpressionKind.LabeledExpressionReference:
{
return(this.MapLabeledExpressionToDelayedValue(((IEdmLabeledExpressionReferenceExpression)expression).ReferencedLabeledExpression, null, context).Value);
}
case EdmExpressionKind.Labeled:
{
return(this.MapLabeledExpressionToDelayedValue(expression, new EdmExpressionEvaluator.DelayedExpressionContext(this, context), context).Value);
}
}
int expressionKind1 = (int)expression.ExpressionKind;
throw new InvalidOperationException(Strings.Edm_Evaluator_UnrecognizedExpressionKind(expressionKind1.ToString(CultureInfo.InvariantCulture)));
}
