private bool IsInstanceOfTypeInternal(IValueNode literal)
{
if (literal is NullValueNode)
{
return(true);
}
if (_inputType.IsInstanceOfType(literal))
{
return(true);
}
if (literal is ListValueNode listValueLiteral)
{
foreach (IValueNode element in listValueLiteral.Items)
{
if (!_inputType.IsInstanceOfType(element))
{
return(false);
}
}
return(true);
}
return(false);
}
public bool IsInstanceOfType(IValueNode literal)
{
if (literal == null)
{
throw new ArgumentNullException(nameof(literal));
}
if (_isInputType)
{
if (literal is NullValueNode)
{
return(true);
}
if (literal is ListValueNode listValueLiteral)
{
if (listValueLiteral.Items.Any())
{
IValueNode value = listValueLiteral.Items.First();
if (!_inputType.IsInstanceOfType(value))
{
return(!ElementType.IsNonNullType() &&
value is NullValueNode);
}
return(true);
}
return(true);
}
return(false);
}
throw new InvalidOperationException(
"The specified type is not an input type.");
}
public static bool EndsWith(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?result)
{
object parsedValue = type.ParseLiteral(value);
if (parsedValue == null)
{
context.ReportError(
ErrorHelper.CreateNonNullError(operation, type, value, context));
result = null;
return(false);
}
if (operation.Type == typeof(string) &&
type.IsInstanceOfType(value))
{
Expression property = GetProperty(operation, context);
result = FilterExpressionBuilder.EndsWith(property, parsedValue);
return(true);
}
else
{
throw new InvalidOperationException();
}
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
out Expression expression)
{
if (operation.Type == typeof(string) &&
type.IsInstanceOfType(value))
{
object parsedValue = type.ParseLiteral(value);
Expression property = context.GetInstance();
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(
context.GetInstance(), operation.Property);
}
return(TryCreateExpression(
operation,
property,
parsedValue,
out expression));
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
out Expression expression)
{
if (operation.Type == typeof(bool) &&
type.IsInstanceOfType(value))
{
MemberExpression property =
Expression.Property(instance, operation.Property);
object parserValue = type.ParseLiteral(value);
switch (operation.Kind)
{
case FilterOperationKind.Equals:
expression = FilterExpressionBuilder.Equals(
property, parserValue);
return(true);
case FilterOperationKind.NotEquals:
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.Equals(
property, parserValue)
);
return(true);
}
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?expression)
{
if (operation.Type == typeof(bool) && type.IsInstanceOfType(value))
{
Expression property = context.GetInstance();
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(context.GetInstance(), operation.Property);
}
object parserValue = type.ParseLiteral(value);
switch (operation.Kind)
{
case FilterOperationKind.Equals:
expression = FilterExpressionBuilder.Equals(
property, parserValue);
return(true);
case FilterOperationKind.NotEquals:
expression = FilterExpressionBuilder.NotEquals(
property, parserValue);
return(true);
}
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
out Expression expression)
{
if (operation.Type == typeof(string) &&
type.IsInstanceOfType(value))
{
object parsedValue = type.ParseLiteral(value);
Expression property = instance;
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(instance, operation.Property);
}
return(TryCreateExpression(
operation,
property,
parsedValue,
out expression));
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
out Expression expression)
{
if (operation.Type == typeof(IComparable) &&
type.IsInstanceOfType(value))
{
MemberExpression property =
Expression.Property(instance, operation.Property);
var parsedValue = type.ParseLiteral(value);
if (operation.Property.PropertyType
.IsInstanceOfType(parsedValue))
{
parsedValue = converter.Convert(
typeof(object),
operation.Property.PropertyType,
parsedValue);
}
return(TryCreateExpression(
operation,
property,
parsedValue,
out expression));
}
expression = null;
return(false);
}
protected sealed override bool IsInstanceOfType(IValueNode literal)
{
if (literal is NullValueNode)
{
return(true);
}
IInputType inputType = InnerInputType !;
if (_namedType !.IsInstanceOfType(literal))
{
return(true);
}
if (_isNestedList)
{
if (literal is ListValueNode listValueLiteral)
{
foreach (IValueNode element in listValueLiteral.Items)
{
if (element.Kind != SyntaxKind.ListValue ||
!inputType.IsInstanceOfType(element))
{
return(false);
}
}
return(true);
}
}
else
{
if (literal is ListValueNode listValueLiteral)
{
foreach (IValueNode element in listValueLiteral.Items)
{
if (!inputType.IsInstanceOfType(element))
{
return(false);
}
}
return(true);
}
}
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?expression)
{
if (operation.Type == typeof(IComparable) &&
type.IsInstanceOfType(value))
{
Expression property = context.GetInstance();
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(context.GetInstance(), operation.Property);
}
if (operation.Kind == FilterOperationKind.In)
{
expression = FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
ParseValue());
return(true);
}
if (operation.Kind == FilterOperationKind.NotIn)
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
ParseValue()));
return(true);
}
}
expression = null;
return(false);
object ParseValue()
{
var parsedValue = type.ParseLiteral(value);
Type elementType = type.ElementType().ToRuntimeType();
if (operation.Property.PropertyType != elementType)
{
Type listType = typeof(List <>).MakeGenericType(
operation.Property.PropertyType);
parsedValue = context.TypeConverter.Convert(
typeof(object),
listType,
parsedValue);
}
return(parsedValue);
}
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
out Expression expression)
{
if (operation.Type == typeof(IComparable) &&
type.IsInstanceOfType(value))
{
MemberExpression property =
Expression.Property(instance, operation.Property);
switch (operation.Kind)
{
case FilterOperationKind.In:
expression = FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
ParseValue());
return(true);
case FilterOperationKind.NotIn:
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
ParseValue())
);
return(true);
}
}
expression = null;
return(false);
object ParseValue()
{
var parsedValue = type.ParseLiteral(value);
Type elementType = type.ElementType().ToClrType();
if (operation.Property.PropertyType != elementType)
{
Type listType = typeof(List <>).MakeGenericType(
operation.Property.PropertyType);
parsedValue = converter.Convert(
typeof(object),
listType,
parsedValue);
}
return(parsedValue);
}
}
public bool IsInstanceOfType(IValueNode literal)
{
if (_isInputType)
{
if (literal is NullValueNode)
{
return(false);
}
return(_inputType.IsInstanceOfType(literal));
}
throw new InvalidOperationException(
TypeResources.NonNullType_NotAnInputType);
}
public bool IsInstanceOfType(IValueNode literal)
{
if (_isInputType)
{
if (literal is NullValueNode)
{
return(false);
}
return(_inputType.IsInstanceOfType(literal));
}
throw new InvalidOperationException(
"The specified type is not an input type.");
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
bool inMemory,
out Expression expression)
{
if (operation.Kind == FilterOperationKind.ArrayAny &&
type.IsInstanceOfType(value) &&
type.ParseLiteral(value) is bool parsedValue)
{
MemberExpression property =
Expression.Property(instance, operation.Property);
Type propertType = operation.Type;
if (operation.TryGetSimpleFilterBaseType(out Type baseType))
{
propertType = baseType;
}
if (parsedValue)
{
expression = FilterExpressionBuilder.Any(
propertType,
property);
}
else
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.Any(
propertType,
property));
}
if (inMemory)
{
expression = FilterExpressionBuilder.NotNullAndAlso(property, expression);
}
return(true);
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?expression)
{
if (operation.Kind == FilterOperationKind.ArrayAny &&
type.IsInstanceOfType(value) &&
context.InputParser.ParseLiteral(value, type) is bool parsedValue)
{
MemberExpression property =
Expression.Property(context.GetInstance(), operation.Property);
Type propertyType = operation.Type;
if (operation.TryGetSimpleFilterBaseType(out Type? baseType))
{
propertyType = baseType;
}
if (parsedValue)
{
expression = FilterExpressionBuilder.Any(
propertyType,
property);
}
else
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.Any(
propertyType,
property));
}
if (context.InMemory)
{
expression =
FilterExpressionBuilder.NotNullAndAlso(property, expression);
}
return(true);
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?expression)
{
if (operation.Type == typeof(IComparable) &&
type.IsInstanceOfType(value))
{
Expression property = context.GetInstance();
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(context.GetInstance(), operation.Property);
}
return(TryCreateExpression(
operation,
property,
ParseValue,
out expression));
}
expression = null;
return(false);
object ParseValue()
{
var parsedValue = type.ParseLiteral(value);
if (!operation.Property.PropertyType.IsInstanceOfType(parsedValue))
{
parsedValue = context.TypeConverter.Convert(
typeof(object),
operation.Property.PropertyType,
parsedValue);
}
return(parsedValue);
}
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
bool inMemory,
out Expression expression)
{
if (operation.Type == typeof(string) && type.IsInstanceOfType(value))
{
Expression property = instance;
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(instance, operation.Property);
}
var parsedValue = type.ParseLiteral(value);
switch (operation.Kind)
{
case FilterOperationKind.In:
expression = FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
parsedValue);
return(true);
case FilterOperationKind.NotIn:
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
parsedValue));
return(true);
}
}
expression = null;
return(false);
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?expression)
{
if (operation.Type == typeof(string) && type.IsInstanceOfType(value))
{
Expression property = context.GetInstance();
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(
context.GetInstance(), operation.Property);
}
object?parsedValue = type.ParseLiteral(value);
if (operation.Kind == FilterOperationKind.In)
{
expression = FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
parsedValue);
return(true);
}
if (operation.Kind == FilterOperationKind.NotIn)
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.In(
property,
operation.Property.PropertyType,
parsedValue));
return(true);
}
}
expression = null;
return(false);
}
public static bool NotEquals(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?result)
{
object parsedValue = type.ParseLiteral(value);
if (parsedValue == null)
{
context.ReportError(
ErrorHelper.CreateNonNullError(operation, type, value, context));
result = null;
return(false);
}
if (operation.Type == typeof(bool) &&
type.IsInstanceOfType(value) &&
parsedValue is bool)
{
Expression property = context.GetInstance();
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(context.GetInstance(), operation.Property);
}
result = FilterExpressionBuilder.NotEquals(property, parsedValue);
return(true);
}
else
{
throw new InvalidOperationException();
}
}
public bool TryHandle(
FilterOperation operation,
IInputType type,
IValueNode value,
Expression instance,
ITypeConversion converter,
out Expression expression)
{
if (operation.Kind == FilterOperationKind.ArrayAny &&
type.IsInstanceOfType(value) &&
type.ParseLiteral(value) is bool parsedValue)
{
Expression property = instance;
if (!operation.IsSimpleArrayType())
{
property = Expression.Property(instance, operation.Property);
}
if (parsedValue)
{
expression = FilterExpressionBuilder.Any(
operation.Type,
property);
}
else
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.Any(
operation.Type,
property));
}
return(true);
}
expression = null;
return(false);
}
public static bool ArrayAny(
FilterOperation operation,
IInputType type,
IValueNode value,
IQueryableFilterVisitorContext context,
[NotNullWhen(true)] out Expression?result)
{
object parsedValue = type.ParseLiteral(value);
if (parsedValue == null)
{
context.ReportError(
ErrorHelper.CreateNonNullError(operation, type, value, context));
result = null;
return(false);
}
if (operation.Kind == FilterOperationKind.ArrayAny &&
type.IsInstanceOfType(value) &&
parsedValue is bool parsedBool)
{
MemberExpression property =
Expression.Property(context.GetInstance(), operation.Property);
Type propertType = operation.Type;
if (operation.TryGetSimpleFilterBaseType(out Type? baseType))
{
propertType = baseType;
}
Expression expression;
if (parsedBool)
{
expression = FilterExpressionBuilder.Any(
propertType,
property);
}
else
{
expression = FilterExpressionBuilder.Not(
FilterExpressionBuilder.Any(
propertType,
property));
}
if (context.InMemory)
{
expression =
FilterExpressionBuilder.NotNullAndAlso(property, expression);
}
result = expression;
return(true);
}
else
{
throw new InvalidOperationException();
}
}
