public void Compose_should_select_first_result_in_GetService()
{
var value1 = new Exception();
var value2 = new Exception();
var sp1 = ServiceProvider.FromValue(value1);
var sp2 = ServiceProvider.FromValue(value2);
var sp = ServiceProvider.Compose(sp1, sp2);
Assert.Same(value1, sp.GetService(typeof(Exception)));
}
private void DoPropertyBind(PropertyTreeMetaObject target,
PropertyTreeNavigator navigator,
PropertyDefinition property)
{
object ancestor = null;
PropertyTreeMetaObject ancestorMeta = null;
if (property.IsExtender)
{
var ancestorType = property.DeclaringTreeDefinition.SourceClrType;
ancestorMeta = target.Ancestors.FirstOrDefault(
t => ancestorType.IsAssignableFrom(t.ComponentType));
if (ancestorMeta != null)
{
ancestor = ancestorMeta.Component;
}
}
var component = target.Component;
PropertyTreeMetaObject propertyTarget = target.CreateChild(property, navigator.QualifiedName, ancestorMeta);
var services = new PropertyBindContext(
component,
property,
ServiceProvider.Compose(ServiceProvider.FromValue(navigator), this))
{
LineNumber = navigator.LineNumber,
LinePosition = navigator.LinePosition,
};
try {
propertyTarget = Bind(propertyTarget, navigator, services);
target.BindSetMember(property, navigator.QualifiedName, propertyTarget, ancestorMeta, services);
} catch (NullReferenceException nre) {
// Normally a "critical" exception, consider it a conversion error
_errors.BinderConversionError(property.Name, target.ComponentType, nre, navigator.FileLocation);
} catch (ArgumentException a) {
_errors.BinderConversionError(property.Name, target.ComponentType, a, navigator.FileLocation);
} catch (PropertyTreeException) {
throw;
} catch (Exception ex) {
if (ex.IsCriticalException())
{
throw;
}
_errors.BinderConversionError(property.Name, target.ComponentType, ex, navigator.FileLocation);
}
}
private PropertyTreeMetaObject BindInitializeValue(PropertyTreeMetaObject target,
PropertyTreeNavigator navigator,
IServiceProvider serviceProvider,
Func <PropertyTreeMetaObject> thunk)
{
try {
return(thunk());
} catch (PropertyTreeException) {
throw;
} catch (Exception ex) {
var sp = ServiceProvider.Compose(ServiceProvider.FromValue(navigator), serviceProvider, this);
// Throw critical exceptions if they originate within PT; otherwise, allow
// callback to decide how to handle them.
if (ex.IsCriticalException())
{
throw;
}
var descriptor = serviceProvider.GetServiceOrDefault <IValueSerializerContext>();
string property = navigator.QualifiedName.ToString();
Type componentType;
if (descriptor == null || descriptor.Instance == null)
{
componentType = target.ComponentType;
}
else if (descriptor.Property == null)
{
componentType = descriptor.Instance.GetType();
}
else
{
property = descriptor.Property.Name;
componentType = descriptor.Property.DeclaringType;
}
FileLocation loc = navigator.FileLocation;
object value = navigator.Value;
_errors.BinderConversionError(property, componentType, ex, loc);
}
return(target);
}
public void Render(DomElement element, HxlWriter output)
{
var eti = new HxlElementTemplateInfo(element.Name, element.Attribute("class"));
var services = ServiceProvider.Compose(
ServiceProvider.Current,
ServiceProvider.FromValue(eti));
var template = output.TemplateContext.TemplateFactory.CreateTemplate(_name, _type, services);
if (template == null)
{
// TODO Missing line number
throw HxlFailure.CannotFindMatchingTemplate(_type, _name, -1, -1);
}
var context = output.TemplateContext.CreateChildContext(template);
context.Data.Add("element", element);
template.Transform(output.BaseWriter, context);
}
// IActivationFactory implementation
public virtual object CreateInstance(
Type type,
IEnumerable <KeyValuePair <string, object> > values = null,
IServiceProvider serviceProvider = null,
params Attribute[] attributes)
{
IServiceProvider actualServiceProvider;
if (serviceProvider == this)
{
actualServiceProvider = serviceProvider;
}
else if (serviceProvider == null)
{
actualServiceProvider = this;
}
else
{
actualServiceProvider = ServiceProvider.Compose(serviceProvider, this);
}
return(_activationFactory.CreateInstance(type, values, actualServiceProvider, attributes));
}
internal IServiceProvider GetBasicServices(PropertyTreeNavigator nav)
{
return(ServiceProvider.Compose(this,
ServiceProvider.FromValue(nav)));
}
public void Compose_should_return_null_on_null_instances()
{
var sp = ServiceProvider.Compose(null, null, null);
Assert.Same(ServiceProvider.Null, sp);
}
public void Compose_should_return_null_on_empty_list()
{
var sp = ServiceProvider.Compose(Enumerable.Empty <IServiceProvider>());
Assert.Same(ServiceProvider.Null, sp);
}