public Injector <T> Parse <T>(Kernel kernel, ObjectDescription description, out List <DependencyProvider> groupDepProviders)
{
var ctorConfigItem = _configGroup.ConstructorInjectionConfigurationItem;
var ctorDepProviders = ctorConfigItem.CreateDependencyProviders(kernel, description, true);
InjectorEmitBody emitBody;
Type injectorType;
ConstructorInfo injectorTypeConstructor;
Injector <T> injector;
var ctorEmitBody = new ConstructorEmitBody(kernel.EmitInjectorManager, ctorConfigItem.Constructor, ctorDepProviders);
var memberConfigItems = _configGroup.MemberInjectionConfigurationItems;
if (memberConfigItems == null)
{
emitBody = new InjectorEmitBody(description.ContractType, ctorEmitBody, null);
injectorType = BuildDynamicInjectorType(kernel, emitBody);
injectorTypeConstructor = GetConstructorOfDynamicInjectorType(injectorType, ctorDepProviders, null);
injector = CreateDynamicInjector <T>(injectorTypeConstructor, ctorDepProviders, null);
groupDepProviders = ctorDepProviders == null ? null : new List <DependencyProvider>(ctorDepProviders);
return(injector);
}
List <DependencyProvider> allMemberDepProviders = null;
var methodEmitBodySet = new MethodEmitBody[memberConfigItems.Count];
for (int i = 0; i < memberConfigItems.Count; i++)
{
var memberConfigItem = memberConfigItems[i];
var memberDepProviders = memberConfigItem.CreateDependencyProviders(kernel, description, true);
if (memberDepProviders == null)
{
if (memberConfigItem.MemberKind == MemberKind.Property)
{
throw new ImpossibleException();
}
methodEmitBodySet[i] = new MethodEmitBody(memberConfigItem.InjectionMethod, null);
continue;
}
if (allMemberDepProviders == null)
{
allMemberDepProviders = new List <DependencyProvider>();
}
allMemberDepProviders.AddRange(memberDepProviders);
var paramEmitBodySet = new ParameterEmitBody[memberDepProviders.Length];
for (int j = 0; j < memberDepProviders.Length; j++)
{
paramEmitBodySet[j] = new ParameterEmitBody(memberDepProviders[j]);
}
methodEmitBodySet[i] = new MethodEmitBody(memberConfigItem.InjectionMethod, paramEmitBodySet);
}
emitBody = new InjectorEmitBody(description.ContractType, ctorEmitBody, methodEmitBodySet);
injectorType = BuildDynamicInjectorType(kernel, emitBody);
injectorTypeConstructor = GetConstructorOfDynamicInjectorType(injectorType, ctorDepProviders, allMemberDepProviders);
injector = CreateDynamicInjector <T>(injectorTypeConstructor, ctorDepProviders, allMemberDepProviders);
groupDepProviders = ctorDepProviders == null ? null : new List <DependencyProvider>(ctorDepProviders);
if (groupDepProviders == null)
{
if (allMemberDepProviders != null)
{
groupDepProviders = allMemberDepProviders;
}
}
else
{
if (allMemberDepProviders != null)
{
groupDepProviders.AddRange(allMemberDepProviders);
}
}
return(injector);
}
static Type BuildDynamicInjectorType(Kernel kernel, InjectorEmitBody emitBody)
{
var injectorManager = kernel.EmitInjectorManager;
return(injectorManager.GetOrCreateInjectorType(emitBody));
}
