private DictionaryAdapterMeta CreateAdapterMeta(Type type, TypeBuilder typeBuilder, PropertyDescriptor descriptor)
{
var binding = FieldAttributes.Public | FieldAttributes.Static;
var metaField = typeBuilder.DefineField("__meta", typeof(DictionaryAdapterMeta), binding);
var constructor = CreateAdapterConstructor(typeBuilder);
CreateAdapterFactoryMethod(typeBuilder, constructor);
object[] typeBehaviors;
var initializers = new PropertyDescriptor();
var propertyMap = GetPropertyDescriptors(type, initializers, out typeBehaviors);
if (descriptor != null)
{
#if DOTNET40
initializers.AddBehaviors(descriptor.MetaInitializers);
#else
initializers.AddBehaviors(descriptor.MetaInitializers.Cast <IDictionaryBehavior>());
#endif
typeBehaviors = typeBehaviors.Union(descriptor.Annotations).ToArray();
}
CreateMetaProperty(typeBuilder, AdapterGetMeta, metaField);
foreach (var property in propertyMap)
{
CreateAdapterProperty(typeBuilder, property.Value);
}
#if FEATURE_LEGACY_REFLECTION_API
var implementation = typeBuilder.CreateType();
var creator = (Func <DictionaryAdapterInstance, IDictionaryAdapter>)Delegate.CreateDelegate
(
typeof(Func <DictionaryAdapterInstance, IDictionaryAdapter>),
implementation,
"__Create"
);
#else
var implementation = typeBuilder.CreateTypeInfo().AsType();
var creator = (Func <DictionaryAdapterInstance, IDictionaryAdapter>)implementation
.GetTypeInfo().GetDeclaredMethod("__Create")
.CreateDelegate(typeof(Func <DictionaryAdapterInstance, IDictionaryAdapter>));
#endif
var meta = new DictionaryAdapterMeta(type, implementation, typeBehaviors,
initializers.MetaInitializers.ToArray(), initializers.Initializers.ToArray(),
propertyMap, this, creator);
#if FEATURE_LEGACY_REFLECTION_API
const BindingFlags metaBindings = BindingFlags.Public | BindingFlags.Static | BindingFlags.SetField;
implementation.InvokeMember("__meta", metaBindings, null, null, new[] { meta });
#else
const BindingFlags metaBindings = BindingFlags.Public | BindingFlags.Static;
var field = implementation.GetField("__meta", metaBindings);
field.SetValue(implementation, meta);
#endif
return(meta);
}
private static Dictionary <string, PropertyDescriptor> GetPropertyDescriptors(Type type, PropertyDescriptor initializers, out object[] typeBehaviors)
{
var propertyMap = new Dictionary <string, PropertyDescriptor>();
var interfaceBehaviors = typeBehaviors = ExpandBehaviors(InterfaceAttributeUtil.GetAttributes(type, true)).ToArray();
var defaultFetch = typeBehaviors.OfType <FetchAttribute>().Select(b => (bool?)b.Fetch).FirstOrDefault().GetValueOrDefault();
initializers.AddBehaviors(typeBehaviors.OfType <IDictionaryMetaInitializer>())
.AddBehaviors(typeBehaviors.OfType <IDictionaryInitializer>());
CollectProperties(type, (property, reflectedType) =>
{
var propertyBehaviors = ExpandBehaviors(property.GetCustomAttributes(false)).ToArray();
var propertyDescriptor = new PropertyDescriptor(property, propertyBehaviors)
.AddBehaviors(propertyBehaviors.OfType <IDictionaryBehavior>())
.AddBehaviors(interfaceBehaviors.OfType <IDictionaryBehavior>().Where(b => b is IDictionaryKeyBuilder == false));
var expandedBehaviors = ExpandBehaviors(InterfaceAttributeUtil
.GetAttributes(reflectedType, true))
.OfType <IDictionaryKeyBuilder>();
propertyDescriptor = propertyDescriptor.AddBehaviors(expandedBehaviors);
AddDefaultGetter(propertyDescriptor);
var propertyFetch = propertyBehaviors.OfType <FetchAttribute>().Select(b => (bool?)b.Fetch).FirstOrDefault();
propertyDescriptor.IfExists = propertyBehaviors.OfType <IfExistsAttribute>().Any();
propertyDescriptor.Fetch = propertyFetch.GetValueOrDefault(defaultFetch);
foreach (var descriptorInitializer in propertyDescriptor.Behaviors.OfType <IPropertyDescriptorInitializer>())
{
descriptorInitializer.Initialize(propertyDescriptor, propertyBehaviors);
}
initializers.AddBehaviors(propertyBehaviors.OfType <IDictionaryMetaInitializer>());
PropertyDescriptor existingDescriptor;
if (propertyMap.TryGetValue(property.Name, out existingDescriptor))
{
var existingProperty = existingDescriptor.Property;
if (existingProperty.PropertyType == property.PropertyType)
{
if (property.CanRead && property.CanWrite)
{
propertyMap[property.Name] = propertyDescriptor;
}
return;
}
}
propertyMap.Add(property.Name, propertyDescriptor);
});
return(propertyMap);
}
private DictionaryAdapterMeta CreateAdapterMeta(
Type type,
TypeBuilder typeBuilder,
PropertyDescriptor descriptor
)
{
var binding = FieldAttributes.Public | FieldAttributes.Static;
var metaField = typeBuilder.DefineField(
"__meta",
typeof(DictionaryAdapterMeta),
binding
);
var constructor = CreateAdapterConstructor(typeBuilder);
CreateAdapterFactoryMethod(typeBuilder, constructor);
object[] typeBehaviors;
var initializers = new PropertyDescriptor();
var propertyMap = GetPropertyDescriptors(type, initializers, out typeBehaviors);
if (descriptor != null)
{
initializers.AddBehaviors(descriptor.MetaInitializers);
typeBehaviors = typeBehaviors.Union(descriptor.Annotations).ToArray();
}
CreateMetaProperty(typeBuilder, AdapterGetMeta, metaField);
foreach (var property in propertyMap)
{
CreateAdapterProperty(typeBuilder, property.Value);
}
var implementation = typeBuilder.CreateTypeInfo();
var creator =
(Func <DictionaryAdapterInstance, IDictionaryAdapter>)implementation
.GetDeclaredMethod("__Create")
.CreateDelegate(typeof(Func <DictionaryAdapterInstance, IDictionaryAdapter>));
var meta = new DictionaryAdapterMeta(
type,
implementation,
typeBehaviors,
initializers.MetaInitializers.ToArray(),
initializers.Initializers.ToArray(),
propertyMap,
this,
creator
);
const BindingFlags metaBindings = BindingFlags.Public | BindingFlags.Static;
var field = implementation.GetField("__meta", metaBindings);
field.SetValue(implementation, meta);
return(meta);
}
private static Dictionary <String, PropertyDescriptor> GetPropertyDescriptors(Type type, PropertyDescriptor initializers, out object[] typeBehaviors)
{
var propertyMap = new Dictionary <String, PropertyDescriptor>();
var interfaceBehaviors = typeBehaviors = ExpandBehaviors(AttributesUtil.GetInterfaceAttributes(type)).ToArray();
var defaultFetch = typeBehaviors.OfType <FetchAttribute>().Select(b => b.Fetch).FirstOrDefault();
#if DOTNET40
initializers.AddBehaviors(typeBehaviors.OfType <IDictionaryMetaInitializer>())
.AddBehaviors(typeBehaviors.OfType <IDictionaryInitializer>());
#else
initializers.AddBehaviors(typeBehaviors.OfType <IDictionaryMetaInitializer>().Cast <IDictionaryBehavior>())
.AddBehaviors(typeBehaviors.OfType <IDictionaryInitializer> ().Cast <IDictionaryBehavior>());
#endif
CollectProperties(type, property =>
{
var propertyBehaviors = ExpandBehaviors(AttributesUtil.GetAttributes <object>(property)).ToArray();
var propertyDescriptor = new PropertyDescriptor(property, propertyBehaviors)
.AddBehaviors(propertyBehaviors.OfType <IDictionaryBehavior>())
.AddBehaviors(interfaceBehaviors.OfType <IDictionaryBehavior>().Where(b => b is IDictionaryKeyBuilder == false))
#if DOTNET40
.AddBehaviors(ExpandBehaviors(AttributesUtil
.GetInterfaceAttributes(property.ReflectedType))
.OfType <IDictionaryKeyBuilder>());
#else
.AddBehaviors(ExpandBehaviors(AttributesUtil
.GetInterfaceAttributes(property.ReflectedType))
.OfType <IDictionaryKeyBuilder>()
.Cast <IDictionaryBehavior>());
#endif
AddDefaultGetter(propertyDescriptor);
bool?propertyFetch = (from b in propertyBehaviors.OfType <FetchAttribute>() select b.Fetch).FirstOrDefault();
propertyDescriptor.IfExists = propertyBehaviors.OfType <IfExistsAttribute>().Any();
propertyDescriptor.Fetch = propertyFetch.GetValueOrDefault(defaultFetch);
foreach (var descriptorInitializer in propertyDescriptor.Behaviors.OfType <IPropertyDescriptorInitializer>())
{
descriptorInitializer.Initialize(propertyDescriptor, propertyBehaviors);
}
#if DOTNET40
initializers.AddBehaviors(propertyBehaviors.OfType <IDictionaryMetaInitializer>());
#else
initializers.AddBehaviors(propertyBehaviors.OfType <IDictionaryMetaInitializer>().Cast <IDictionaryBehavior>());
#endif
PropertyDescriptor existingDescriptor;
if (propertyMap.TryGetValue(property.Name, out existingDescriptor))
{
var existingProperty = existingDescriptor.Property;
if (existingProperty.PropertyType == property.PropertyType)
{
if (property.CanRead && property.CanWrite)
{
propertyMap[property.Name] = propertyDescriptor;
}
return;
}
}
propertyMap.Add(property.Name, propertyDescriptor);
});