private void CheckForMetadataOverride(string key, TemplateRegistrationMetadata metadata)
{
if (false == _metadataMap.ContainsKey(key))
{
return;
}
TemplateRegistrationMetadata oldMetadata = _metadataMap[key];
oldMetadata.OverriddenBy = metadata;
oldMetadata.ShouldSkip = true;
oldMetadata.SkippedReason = SkippedRegistrationReason.Overridden;
oldMetadata.SkippedReasonDescription = "The registration was overridden by another registration.";
UpdateSkippedRegistrationComments(oldMetadata);
}
private void UpdateSkippedRegistrationComments(TemplateRegistrationMetadata metadata)
{
const string indent = Indentations.MemberIndent;
StringBuilder sb = new StringBuilder(metadata.MembersCommentBlock, metadata.MembersCommentBlock.Length + 500);
sb.Append(indent);
sb.Append("// Skip This Registration .............: ");
sb.Append(metadata.ShouldSkip);
sb.AppendLine();
sb.Append(indent);
sb.Append("// Skipped Reason .....................: ");
sb.Append(metadata.SkippedReason);
sb.AppendLine();
sb.Append(indent);
sb.Append("// Skipped Reason Description .........: ");
sb.Append(metadata.SkippedReasonDescription);
sb.AppendLine();
if (null != metadata.OverriddenBy)
{
sb.Append(indent);
sb.Append("// Overridden By Registration Index ...: ");
sb.Append(metadata.OverriddenBy.Index);
sb.AppendLine();
}
sb.Append(indent);
sb.Append("// ");
sb.Append(new string('-', 80));
sb.AppendLine();
sb.Append(indent);
sb.Append("// NOTE: There is no code generated for this skipped registration.");
sb.AppendLine();
sb.Append(indent);
sb.Append("// ");
sb.Append(new string('-', 80));
sb.AppendLine();
sb.AppendLine(); // Blank line to separate from next member
metadata.MembersCommentBlock = sb.ToString();
}
private string GenerateGetInstanceCodeGeneratorMethodKey(TemplateRegistrationMetadata metadata)
{
return string.Format("GetInstance|{0}", metadata.Registration.Lifetime);
}
private void ProcessRegistrations()
{
int registrationsCount = Registrations.Count;
_metadataList = new List<TemplateRegistrationMetadata>(registrationsCount);
_metadataMap = new Dictionary<string, TemplateRegistrationMetadata>(registrationsCount);
int index = -1;
foreach (IRegistration registration in Registrations)
{
index++;
ValidateRegistration(registration, index);
CheckRegistrationForAssembliesToBeReferenced(registration);
MethodNameGenerator methodNameGenerator = new MethodNameGenerator(index, registration);
string registrationKey = (registration.MappedType ?? registration.ConcreteType) + registration.Name;
Type typeKey = registration.MappedType ?? registration.ConcreteType;
TemplateRegistrationMetadata metadata =
new TemplateRegistrationMetadata(
methodNameGenerator,
_namedHandlerMapEntries,
_namedTypedHandlerMapEntries,
_namedHandlerSubMapEntries,
_namedTypedHandlerSubMapEntries)
{
Index = index,
InstanceFieldName = "Instance" + index,
RegistrationKey = registrationKey,
Registration = registration,
RegistrationType = RegistrationType.Explicit,
TypeKey = typeKey
};
_metadataList.Add(metadata);
var codeGenerationResult = GenerateGetInstanceCodeForRegistration(metadata);
if (codeGenerationResult != RegistrationCodeGenerationResult.Successful)
{
continue;
}
CheckForMetadataOverride(registrationKey, metadata);
_metadataMap[registrationKey] = metadata;
}
}
private RegistrationCodeGenerationResult GenerateGetInstanceCodeForRegistration(TemplateRegistrationMetadata metadata)
{
metadata.CodeGeneratorMethodKey = GenerateGetInstanceCodeGeneratorMethodKey(metadata);
Func<TemplateRegistrationMetadata, Type, IRegistrationCodeGenerator> func;
if (false == _codeGeneratorMethodMap.TryGetValue(metadata.CodeGeneratorMethodKey, out func))
{
metadata.ShouldSkip = true;
metadata.SkippedReason = SkippedRegistrationReason.NoCodeGenerator;
metadata.SkippedReasonDescription =
string.Format(
"The code generator delegate was not found for the CodeGeneratorMethodKey '{0}'."
, metadata.CodeGeneratorMethodKey);
UpdateSkippedRegistrationComments(metadata);
return RegistrationCodeGenerationResult.Skipped;
}
IRegistrationCodeGenerator codeGenerator = func(metadata, metadata.TypeKey);
codeGenerator.Generate();
return RegistrationCodeGenerationResult.Successful;
}
