public ObjectQueryContext(Type type, ObjectQueryContext parentContext)
{
if (type == null)
{
throw new ArgumentNullException("type");
}
this.parentContext = parentContext;
foreach (var property_info in GetProperties(type, BindingFlags.DeclaredOnly))
{
foreach (var attribute in property_info.GetCustomAttributes(false))
{
if (ProcessElementAttribute(property_info, attribute as XmlElementAttribute))
{
break;
}
else if (ProcessAttributeAttribute(property_info, attribute as XmlAttributeAttribute))
{
break;
}
else if (ProcessArrayItemAttribute(property_info, attribute as XmlArrayItemAttribute))
{
break;
}
}
}
}
public ObjectQueryVisitor (ObjectQueryContext context, Object @object, Action<Object> consumer)
{
if (context == null) {
throw new ArgumentNullException ("context");
} else if (@object == null) {
throw new ArgumentNullException ("object");
} else if (consumer == null) {
throw new ArgumentNullException ("consumer");
}
this.context = context;
this.@object = @object;
this.consumer = consumer;
}
public void Element ()
{
var context = new ObjectQueryContext (typeof (ElementTestClass));
Assert.IsTrue (context.PropertyExists ("Foo", new ElementTestClass ()));
var foo = new ElementTestClass { Foo = "bar" };
Assert.IsTrue (context.PropertyExists ("Foo", foo));
Assert.IsFalse (context.PropertyExists ("Bar", foo));
var equality = false;
context.VisitProperty ("Foo", foo, value => equality = value.Equals ("bar"));
Assert.IsTrue (equality);
equality = false;
context.VisitProperty ("Foo", new ElementTestClass (), value => equality = value == null);
Assert.IsTrue (equality);
}
ObjectQueryContext GetQueryContext(Type type)
{
if (type == null)
{
return(null);
}
ObjectQueryContext context;
if (!queryContexts.TryGetValue(type, out context))
{
context = new ObjectQueryContext(type, GetQueryContext(type.BaseType));
queryContexts[type] = context;
}
return(context);
}
public ObjectQueryVisitor(ObjectQueryContext context, Object @object, Action <Object> consumer)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
else if (@object == null)
{
throw new ArgumentNullException("object");
}
else if (consumer == null)
{
throw new ArgumentNullException("consumer");
}
this.context = context;
this.@object = @object;
this.consumer = consumer;
}
public ObjectQueryContext (Type type, ObjectQueryContext parentContext)
{
if (type == null) {
throw new ArgumentNullException ("type");
}
this.parentContext = parentContext;
foreach (var property_info in GetProperties (type, BindingFlags.DeclaredOnly)) {
foreach (var attribute in property_info.GetCustomAttributes (false)) {
if (ProcessElementAttribute (property_info, attribute as XmlElementAttribute)) {
break;
} else if (ProcessAttributeAttribute (property_info, attribute as XmlAttributeAttribute)) {
break;
} else if (ProcessArrayItemAttribute (property_info, attribute as XmlArrayItemAttribute)) {
break;
}
}
}
}
public void NestedArrayTestClass ()
{
var context = new ObjectQueryContext (typeof (NestedArrayItemTestClass));
var attributes = new[] { "foo", "bar", "bat", "baz" };
var foos = new[] {
new AttributeTestClass { Foo = "foo" },
new AttributeTestClass { Foo = "bar" },
new AttributeTestClass { Foo = "bat" },
new AttributeTestClass { Foo = "baz" }
};
var test = new NestedArrayItemTestClass { Foo = foos };
var i = 0;
var inequality = false;
context.VisitProperty ("Foo@Foo", test, value => inequality |= !value.Equals (attributes[i++]));
Assert.IsFalse (inequality);
}
public void PrefixedElement ()
{
var context = new ObjectQueryContext (typeof (PrefixedElementTestClass));
Assert.IsTrue (context.PropertyExists ("bar:foo", new PrefixedElementTestClass ()));
}
public void NamedElement ()
{
var context = new ObjectQueryContext (typeof (NamedElementTestClass));
Assert.IsTrue (context.PropertyExists ("foo", new NamedElementTestClass ()));
}
public void OmitIfNullElement ()
{
var context = new ObjectQueryContext (typeof (OmitIfNullElementTestClass));
Assert.IsFalse (context.PropertyExists ("Foo", new OmitIfNullElementTestClass ()));
Assert.IsTrue (context.PropertyExists ("Foo", new OmitIfNullElementTestClass { Foo = "bar" }));
}
public void NamedAttribute ()
{
var context = new ObjectQueryContext (typeof (NamedAttributeTestClass));
Assert.IsTrue (context.PropertyExists ("@foo", new NamedAttributeTestClass ()));
}
public void NullableAttribute ()
{
var context = new ObjectQueryContext (typeof (NullableAttributeTestClass));
Assert.IsTrue (context.PropertyExists ("@Foo", new NullableAttributeTestClass { Foo = 42 }));
Assert.IsFalse (context.PropertyExists ("@Foo", new NullableAttributeTestClass ()));
}
public void SuperclassLookup ()
{
var superclass_context = new ObjectQueryContext (typeof (ElementTestClass));
var subclass_context = new ObjectQueryContext (typeof (ElementTestSubclass), superclass_context);
var test = new ElementTestSubclass ();
Assert.IsTrue (superclass_context.PropertyExists ("Foo", test));
Assert.IsFalse (superclass_context.PropertyExists ("Bar", test));
Assert.IsTrue (subclass_context.PropertyExists ("Foo", test));
Assert.IsTrue (subclass_context.PropertyExists ("Bar", test));
Assert.IsFalse (new ObjectQueryContext (typeof (ElementTestSubclass)).PropertyExists ("Foo", test));
}
public void PrefixedArrayItem ()
{
var context = new ObjectQueryContext (typeof (PrefixedArrayItemTestClass));
Assert.IsTrue (context.PropertyExists ("bar:foo", new PrefixedArrayItemTestClass { Foo = new[] { "bar" } }));
}
public void ArrayItem ()
{
var context = new ObjectQueryContext (typeof (ArrayItemTestClass));
Assert.IsFalse (context.PropertyExists ("Foo", new ArrayItemTestClass ()));
Assert.IsFalse (context.PropertyExists ("Foo", new ArrayItemTestClass { Foo = new string[0] }));
var foos = new[] { "foo", "bar", "bat", "baz" };
var test = new ArrayItemTestClass { Foo = foos };
Assert.IsTrue (context.PropertyExists ("Foo", test));
var i = 0;
var inequality = false;
context.VisitProperty ("Foo", test, value => inequality |= !value.Equals (foos[i++]));
Assert.IsFalse (inequality);
}
public void NestedElements ()
{
var context = new ObjectQueryContext (typeof (NestedTestClass));
var test = new NestedTestClass {
Attribute = new AttributeTestClass (),
OmitIfNullAttribute = new OmitIfNullAttributeTestClass (),
NamedAttribute = new NamedAttributeTestClass (),
PrefixedAttribute = new PrefixedAttributeTestClass (),
PrefixedNestedAttribute = new AttributeTestClass (),
PrefixedNestedPrefixedAttribute = new PrefixedAttributeTestClass ()
};
Assert.IsTrue (context.PropertyExists ("Attribute", test));
Assert.IsTrue (context.PropertyExists ("Attribute@Foo", test));
Assert.IsTrue (context.PropertyExists ("OmitIfNullAttribute", test));
Assert.IsFalse (context.PropertyExists ("OmitIfNullAttribute@Foo", test));
Assert.IsTrue (context.PropertyExists ("NamedAttribute", test));
Assert.IsTrue (context.PropertyExists ("NamedAttribute@foo", test));
Assert.IsTrue (context.PropertyExists ("PrefixedAttribute", test));
Assert.IsTrue (context.PropertyExists ("PrefixedAttribute@bar:foo", test));
Assert.IsTrue (context.PropertyExists ("bar:prefixedNestedAttribute", test));
Assert.IsTrue (context.PropertyExists ("bar:prefixedNestedAttribute@Foo", test));
Assert.IsTrue (context.PropertyExists ("bar:prefixedNestedPrefixedAttribute", test));
Assert.IsTrue (context.PropertyExists ("bar:prefixedNestedPrefixedAttribute@bar:foo", test));
test.OmitIfNullAttribute.Foo = "bar";
Assert.IsTrue (context.PropertyExists ("OmitIfNullAttribute@Foo", test));
var equality = false;
context.VisitProperty ("OmitIfNullAttribute@Foo", test, value => equality = value.Equals ("bar"));
Assert.IsTrue (equality);
}
public void PrefixedAttribute ()
{
var context = new ObjectQueryContext (typeof (PrefixedAttributeTestClass));
Assert.IsTrue (context.PropertyExists ("@bar:foo", new PrefixedAttributeTestClass ()));
}
