public override Expression VisitConstant(ConstantExpression exp)
{
if (exp.Value is ClientObjectCollection && exp.Value is IQueryable)
{
Type elementType = ExpressionUtility.GetElementType(exp.Value.GetType());
Type type = typeof(EnumerableClientObjectCollection <>).MakeGenericType(new Type[]
{
elementType
});
object obj = Activator.CreateInstance(type, new object[]
{
exp.Value
});
Type type2 = typeof(EnumerableQuery <>).MakeGenericType(new Type[]
{
elementType
});
object value = Activator.CreateInstance(type2, new object[]
{
obj
});
return(Expression.Constant(value));
}
return(base.VisitConstant(exp));
}
IQueryable IQueryProvider.CreateQuery(Expression expression)
{
if (expression == null)
{
throw new ArgumentNullException("expression");
}
Type elementType = ExpressionUtility.GetElementType(expression.Type);
if (elementType == null)
{
return(null);
}
IQueryable result;
try
{
object obj = Activator.CreateInstance(typeof(ClientQueryable <>).MakeGenericType(new Type[]
{
elementType
}), new object[]
{
this,
expression
});
result = (IQueryable)obj;
}
catch (TargetInvocationException ex)
{
throw ex.InnerException;
}
return(result);
}
internal static Type GetElementType(Type seqType)
{
Type type = ExpressionUtility.FindIEnumerable(seqType);
if (type == null)
{
return(null);
}
//Edited for .NET Core
//return type.GetGenericArguments()[0];
return(type.GenericTypeArguments[0]);
}
private static void CheckSelectExpression(MethodCallExpression exp)
{
if (exp.Arguments.Count != 2)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
Expression expression = ExpressionUtility.StripQuotes(exp.Arguments[1]);
LambdaExpression lambdaExpression = expression as LambdaExpression;
if (lambdaExpression == null || lambdaExpression.Parameters.Count != 1)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
Expression expression2 = ExpressionUtility.StripConverts(ExpressionUtility.StripQuotes(lambdaExpression.Body));
ParameterExpression parameterExpression = expression2 as ParameterExpression;
if (parameterExpression == null || parameterExpression.Name != lambdaExpression.Parameters[0].Name)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
}
public static void WriteValueToXmlElement(XmlWriter writer, object objValue, SerializationContext serializationContext)
{
if (writer == null)
{
throw new ArgumentNullException("writer");
}
if (serializationContext == null)
{
throw new ArgumentNullException("serializationContext");
}
if (objValue == null)
{
writer.WriteAttributeString("Type", "Null");
return;
}
if (!(objValue is ClientObject))
{
if (objValue is ClientValueObject)
{
ClientValueObject clientValueObject = (ClientValueObject)objValue;
writer.WriteAttributeString("TypeId", clientValueObject.TypeId);
if (!clientValueObject.CustomWriteToXml(writer, serializationContext))
{
clientValueObject.WriteToXml(writer, serializationContext);
return;
}
}
else
{
if (objValue is Stream)
{
Stream stream = (Stream)objValue;
writer.WriteAttributeString("Type", "Binary");
writer.WriteStartElement(MtomGlobals.XopIncludeLocalName);
string text = "http://sharepoint.microsoft.com/" + serializationContext.Context.NextSequenceId.ToString(CultureInfo.InvariantCulture);
serializationContext.AddStream(new StreamInfo(text, stream));
writer.WriteAttributeString(MtomGlobals.XopIncludeHrefLocalName, "cid:" + text);
writer.WriteEndElement();
return;
}
DataConvert.WriteValueHandler writeValueHandler = null;
if (DataConvert.s_writeValueHandlers.TryGetValue(objValue.GetType(), out writeValueHandler))
{
writer.WriteAttributeString("Type", DataConvert.s_writeValueTypeNames[objValue.GetType()]);
writeValueHandler(writer, objValue);
return;
}
if (objValue.GetType().IsArray)
{
writer.WriteAttributeString("Type", "Array");
//Edited for .NET Core
//using (IEnumerator enumerator = ((Array)objValue).GetEnumerator())
IEnumerator enumerator = ((Array)objValue).GetEnumerator();
{
while (enumerator.MoveNext())
{
object current = enumerator.Current;
writer.WriteStartElement("Object");
DataConvert.WriteValueToXmlElement(writer, current, serializationContext);
writer.WriteEndElement();
}
return;
}
}
if (objValue is IDictionary)
{
writer.WriteAttributeString("Type", "Dictionary");
IDictionary dictionary = objValue as IDictionary;
IDictionaryEnumerator enumerator2 = dictionary.GetEnumerator();
while (enumerator2.MoveNext())
{
object value = enumerator2.Value;
if (DataConvert.CouldSerializeDictionaryEntry(value) && enumerator2.Key is string)
{
writer.WriteStartElement("Property");
writer.WriteAttributeString("Name", (string)enumerator2.Key);
DataConvert.WriteValueToXmlElement(writer, enumerator2.Value, serializationContext);
writer.WriteEndElement();
}
}
return;
}
//Edited for .NET Core
//if (typeof(IEnumerable).IsAssignableFrom(objValue.GetType()) && ExpressionUtility.GetElementType(objValue.GetType()) != null)
if (typeof(IEnumerable).GetTypeInfo().IsAssignableFrom(objValue.GetType()) && ExpressionUtility.GetElementType(objValue.GetType()) != null)
{
writer.WriteAttributeString("Type", "Array");
//Edited for .NET Core
//using (IEnumerator enumerator3 = ((IEnumerable)objValue).GetEnumerator())
IEnumerator enumerator3 = ((IEnumerable)objValue).GetEnumerator();
{
while (enumerator3.MoveNext())
{
object current2 = enumerator3.Current;
writer.WriteStartElement("Object");
DataConvert.WriteValueToXmlElement(writer, current2, serializationContext);
writer.WriteEndElement();
}
return;
}
}
Type type = objValue.GetType();
//Edited for .NET Core
//if (type.IsEnum)
if (type.GetTypeInfo().IsEnum)
{
writer.WriteAttributeString("Type", "Enum");
DataConvert.s_writeValueEnum(writer, objValue);
return;
}
writer.WriteAttributeString("Type", "Unspecified");
writer.WriteString(objValue.ToString());
}
return;
}
ClientObject clientObject = (ClientObject)objValue;
if (clientObject.Path == null)
{
throw new ClientRequestException(Resources.GetString("NoObjectPathAssociatedWithObject"));
}
ClientAction.CheckActionParameterInContext(serializationContext.Context, clientObject);
writer.WriteAttributeString("ObjectPathId", clientObject.Path.Id.ToString(CultureInfo.InvariantCulture));
serializationContext.AddClientObject(clientObject);
}
private static Type FindIEnumerable(Type seqType)
{
if (seqType == null || seqType == typeof(string))
{
return(null);
}
if (seqType.IsArray)
{
return(typeof(IEnumerable <>).MakeGenericType(new Type[]
{
seqType.GetElementType()
}));
}
//Edited for .NET Core
//if (seqType.IsGenericType)
if (seqType.GetTypeInfo().IsGenericType)
{
//Edited for .NET Core
//Type[] genericArguments = seqType.GetGenericArguments();
Type[] genericArguments = seqType.GenericTypeArguments.ToArray();
for (int i = 0; i < genericArguments.Length; i++)
{
Type type = genericArguments[i];
Type type2 = typeof(IEnumerable <>).MakeGenericType(new Type[]
{
type
});
//Edited for .NET Core
//if (type2.IsAssignableFrom(seqType))
if (type2.GetTypeInfo().IsAssignableFrom(seqType))
{
Type result = type2;
return(result);
}
}
}
//Edited for .NET Core
//Type[] interfaces = seqType.GetInterfaces();
Type[] interfaces = seqType.GetTypeInfo().GetInterfaces();
if (interfaces != null && interfaces.Length > 0)
{
Type[] array = interfaces;
for (int j = 0; j < array.Length; j++)
{
Type seqType2 = array[j];
Type type3 = ExpressionUtility.FindIEnumerable(seqType2);
if (type3 != null)
{
Type result = type3;
return(result);
}
}
}
//Edited for .NET Core
//if (seqType.BaseType != null && seqType.BaseType != typeof(object))
if (seqType.GetTypeInfo().BaseType != null && seqType.GetTypeInfo().BaseType != typeof(object))
{
//Edited for .NET Core
//return ExpressionUtility.FindIEnumerable(seqType.BaseType);
return(ExpressionUtility.FindIEnumerable(seqType.GetTypeInfo().BaseType));
}
return(null);
}
private static ClientQueryInternal ProcessClientQueryableMethodCallQueryExpression(
ClientQueryInternal rootQuery, ClientObject rootClientObject,
MethodCallExpression exp, bool leaf,
DataRetrieval.QueryProcessInfo queryInfo, DataRetrieval.QueryMethodAggregator aggregator)
{
//Edited for .NET Core
string name;
if ((name = exp.Method.Name) != null)
{
//Edited for .NET Core
// This was bugged when reflecting the source, wo it needs checking
var newDictionary = new Dictionary <string, int>(8)
{
{
"Where",
0
},
{
"OrderBy",
1
},
{
"OrderByDescending",
2
},
{
"ThenBy",
3
},
{
"ThenByDescending",
4
},
{
"Select",
5
},
{
"Take",
6
},
{
"OfType",
7
}
};
int num;
if (newDictionary.TryGetValue(name, out num))
{
ClientQueryInternal result;
switch (num)
{
case 0:
case 1:
case 2:
case 3:
case 4:
{
ClientQueryInternal clientQueryInternal = DataRetrieval.ProcessQueryExpression(rootQuery, rootClientObject, exp.Arguments[0], leaf, queryInfo, aggregator);
string name2;
if ((name2 = exp.Method.Name) != null)
{
if (!(name2 == "Where"))
{
if (!(name2 == "OrderBy"))
{
if (name2 == "OrderByDescending")
{
aggregator.OrderByDescending++;
}
}
else
{
aggregator.OrderBy++;
}
}
else
{
aggregator.Where++;
}
}
Expression expression = ExpressionUtility.StripQuotes(exp.Arguments[1]);
LambdaExpression lambdaExpression = expression as LambdaExpression;
if (lambdaExpression == null)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
ChunkStringBuilder chunkStringBuilder = new ChunkStringBuilder();
XmlWriter xmlWriter = chunkStringBuilder.CreateXmlWriter();
string name3;
if ((name3 = exp.Method.Name) != null)
{
if (!(name3 == "Where"))
{
if (!(name3 == "OrderBy"))
{
if (!(name3 == "OrderByDescending"))
{
if (!(name3 == "ThenBy"))
{
if (!(name3 == "ThenByDescending"))
{
goto IL_224;
}
xmlWriter.WriteStartElement("ThenByDescending");
}
else
{
xmlWriter.WriteStartElement("ThenBy");
}
}
else
{
xmlWriter.WriteStartElement("OrderByDescending");
}
}
else
{
xmlWriter.WriteStartElement("OrderBy");
}
}
else
{
xmlWriter.WriteStartElement("Where");
}
ClientQueryInternal.WriteFilterExpressionToXml(xmlWriter, clientQueryInternal.ChildItemQuery.ChildItemExpressionSerializationContext, lambdaExpression);
xmlWriter.WriteStartElement("Object");
ChunkStringBuilder chunkStringBuilder2 = null;
if (queryInfo.Expression.TryGetValue(clientQueryInternal.ChildItemQuery, out chunkStringBuilder2))
{
chunkStringBuilder2.WriteContentAsRawXml(xmlWriter);
}
else
{
xmlWriter.WriteStartElement("QueryableObject");
xmlWriter.WriteEndElement();
}
xmlWriter.WriteEndElement();
xmlWriter.WriteEndElement();
xmlWriter.Dispose();
queryInfo.Expression[clientQueryInternal.ChildItemQuery] = chunkStringBuilder;
result = clientQueryInternal;
break;
}
IL_224:
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
case 5:
{
DataRetrieval.CheckSelectExpression(exp);
ClientQueryInternal clientQueryInternal2 = DataRetrieval.ProcessQueryExpression(rootQuery, rootClientObject, exp.Arguments[0], leaf, queryInfo, aggregator);
aggregator.Select++;
result = clientQueryInternal2;
queryInfo.BySelect[clientQueryInternal2.ChildItemQuery.Id] = clientQueryInternal2.ChildItemQuery;
break;
}
case 6:
{
ClientQueryInternal clientQueryInternal3 = DataRetrieval.ProcessQueryExpression(rootQuery, rootClientObject, exp.Arguments[0], leaf, queryInfo, aggregator);
aggregator.Take++;
Expression expression2 = exp.Arguments[1];
expression2 = ExpressionEvaluator.PartialEvaluate(expression2, new Func <Expression, bool>(DataRetrieval.ExpectConstantExpression_CanExpressionBeEvaluated));
if (expression2.NodeType != ExpressionType.Constant || expression2.Type != typeof(int))
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
ConstantExpression constantExpression = (ConstantExpression)expression2;
int num2 = (int)constantExpression.Value;
if (num2 < 0)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
ChunkStringBuilder chunkStringBuilder3 = new ChunkStringBuilder();
XmlWriter xmlWriter2 = chunkStringBuilder3.CreateXmlWriter();
xmlWriter2.WriteStartElement("Take");
xmlWriter2.WriteAttributeString("Count", num2.ToString(CultureInfo.InvariantCulture));
ChunkStringBuilder chunkStringBuilder4 = null;
if (queryInfo.Expression.TryGetValue(clientQueryInternal3.ChildItemQuery, out chunkStringBuilder4))
{
chunkStringBuilder4.WriteContentAsRawXml(xmlWriter2);
}
else
{
xmlWriter2.WriteStartElement("QueryableObject");
xmlWriter2.WriteEndElement();
}
xmlWriter2.WriteEndElement();
xmlWriter2.Dispose();
queryInfo.Expression[clientQueryInternal3.ChildItemQuery] = chunkStringBuilder3;
result = clientQueryInternal3;
break;
}
case 7:
{
ClientQueryInternal clientQueryInternal4 = DataRetrieval.ProcessQueryExpression(rootQuery, rootClientObject, exp.Arguments[0], leaf, queryInfo, aggregator);
if (!exp.Method.IsGenericMethod || exp.Method.ContainsGenericParameters)
{
throw new InvalidQueryExpressionException(Resources.GetString("NotSupportedQueryExpressionWithExpressionValue", new object[]
{
exp.ToString()
}));
}
Type[] genericArguments = exp.Method.GetGenericArguments();
if (genericArguments == null || genericArguments.Length != 1)
{
throw new InvalidQueryExpressionException(Resources.GetString("NotSupportedQueryExpressionWithExpressionValue", new object[]
{
exp.ToString()
}));
}
string value = null;
string value2 = null;
DataConvert.GetTypeNameOrTypeId(genericArguments[0], out value, out value2);
if (string.IsNullOrEmpty(value) && string.IsNullOrEmpty(value2))
{
throw new InvalidQueryExpressionException(Resources.GetString("NotSupportedQueryExpressionWithExpressionValue", new object[]
{
exp.ToString()
}));
}
ChunkStringBuilder chunkStringBuilder5 = new ChunkStringBuilder();
XmlWriter xmlWriter3 = chunkStringBuilder5.CreateXmlWriter();
xmlWriter3.WriteStartElement("OfType");
if (!string.IsNullOrEmpty(value))
{
xmlWriter3.WriteAttributeString("Type", value);
}
else
{
xmlWriter3.WriteAttributeString("TypeId", value2);
}
ChunkStringBuilder chunkStringBuilder6 = null;
if (queryInfo.Expression.TryGetValue(clientQueryInternal4.ChildItemQuery, out chunkStringBuilder6))
{
chunkStringBuilder6.WriteContentAsRawXml(xmlWriter3);
}
else
{
xmlWriter3.WriteStartElement("QueryableObject");
xmlWriter3.WriteEndElement();
}
xmlWriter3.WriteEndElement();
xmlWriter3.Dispose();
queryInfo.Expression[clientQueryInternal4.ChildItemQuery] = chunkStringBuilder5;
result = clientQueryInternal4;
break;
}
default:
goto IL_5B7;
}
return(result);
}
}
IL_5B7:
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
private static ClientQueryInternal ProcessMethodCallQueryExpression(ClientQueryInternal rootQuery, ClientObject rootClientObject, MethodCallExpression exp, bool leaf, DataRetrieval.QueryProcessInfo queryInfo, DataRetrieval.QueryMethodAggregator aggregator)
{
ClientQueryInternal result;
if (exp.Method.IsGenericMethod && (exp.Method.DeclaringType == typeof(Enumerable) || exp.Method.DeclaringType == typeof(System.Linq.Queryable)))
{
result = DataRetrieval.ProcessClientQueryableMethodCallQueryExpression(rootQuery, rootClientObject, exp, leaf, queryInfo, aggregator);
}
else if (exp.Method.IsGenericMethod && exp.Method.DeclaringType == typeof(ClientObjectQueryableExtension) && (exp.Method.Name == "Include" || exp.Method.Name == "IncludeWithDefaultProperties"))
{
if (exp.Arguments.Count != 2)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
IEnumerable <Expression> enumerable = null;
NewArrayExpression newArrayExpression = exp.Arguments[1] as NewArrayExpression;
if (newArrayExpression == null)
{
Expression expression = ExpressionEvaluator.PartialEvaluate(exp.Arguments[1], new Func <Expression, bool>(DataRetrieval.ExpectConstantExpression_CanExpressionBeEvaluated));
if (expression.NodeType == ExpressionType.Constant)
{
ConstantExpression constantExpression = (ConstantExpression)expression;
enumerable = (constantExpression.Value as IEnumerable <Expression>);
}
if (enumerable == null)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
}
else
{
enumerable = newArrayExpression.Expressions;
}
ClientQueryInternal clientQueryInternal = DataRetrieval.ProcessQueryExpression(rootQuery, rootClientObject, exp.Arguments[0], false, queryInfo, aggregator);
aggregator.Include++;
if (clientQueryInternal == null)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
queryInfo.ByInclude[clientQueryInternal.ChildItemQuery.Id] = clientQueryInternal.ChildItemQuery;
ClientQueryInternal childItemQuery = clientQueryInternal.ChildItemQuery;
if (exp.Method.Name == "IncludeWithDefaultProperties")
{
childItemQuery.SelectAllProperties();
}
foreach (Expression current in enumerable)
{
Expression expression2 = ExpressionUtility.StripQuotes(current);
LambdaExpression lambdaExpression = expression2 as LambdaExpression;
if (lambdaExpression == null)
{
expression2 = ExpressionEvaluator.PartialEvaluate(expression2, new Func <Expression, bool>(DataRetrieval.ExpectConstantExpression_CanExpressionBeEvaluated));
ConstantExpression constantExpression2 = expression2 as ConstantExpression;
if (constantExpression2 != null)
{
lambdaExpression = (constantExpression2.Value as LambdaExpression);
}
if (lambdaExpression == null)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(expression2);
}
}
Expression exp2 = lambdaExpression.Body;
exp2 = ExpressionUtility.StripConverts(exp2);
DataRetrieval.QueryMethodAggregator queryMethodAggregator = new DataRetrieval.QueryMethodAggregator(current);
DataRetrieval.ProcessQueryExpression(childItemQuery, null, exp2, true, queryInfo, queryMethodAggregator);
queryMethodAggregator.Check();
}
result = clientQueryInternal;
}
else
{
if (!ExpressionUtility.IsGetFieldValueMethod(exp.Method))
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
ClientQueryInternal clientQueryInternal2 = DataRetrieval.ProcessQueryExpression(rootQuery, rootClientObject, exp.Object, false, queryInfo, aggregator);
aggregator.Member++;
if (clientQueryInternal2 == null)
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
Expression expression3 = exp.Arguments[0];
expression3 = ExpressionEvaluator.PartialEvaluate(expression3, new Func <Expression, bool>(DataRetrieval.ExpectConstantExpression_CanExpressionBeEvaluated));
if (expression3.NodeType != ExpressionType.Constant || expression3.Type != typeof(string))
{
throw DataRetrieval.CreateInvalidQueryExpressionException(exp);
}
ConstantExpression constantExpression3 = (ConstantExpression)expression3;
clientQueryInternal2.Select((string)constantExpression3.Value);
result = null;
}
return(result);
}
