/*Throws an exception if single method is not found.*/
private MethodInfo GetMethodInfoInClassOrParents([NotNull] string methodName,
[NotNull, ItemNotNull] Type[] parameterTypes)
{
StringBuilder errorMessage;
var matchedMethodInfos = new List <MethodInfo>();
MethodInfo findMethodInfoInType(Type type)
{
foreach (var methodInfo in type.GetMethods())
{
if (Helpers.IsMethodAMatch(methodInfo, methodName, parameterTypes) &&
methodInfo.ReturnType == ValueTypeInfo.Type)
{
return(methodInfo);
}
}
return(null);
}
void appendMethodParametersDescriptionOnInvalidSignature()
{
var parametersStrBldr = new StringBuilder();
parametersStrBldr.Append("Method parameters used for lookup are: ");
if (parameterTypes.Length == 0)
{
parametersStrBldr.AppendLine("no parameters.");
}
else
{
parametersStrBldr.AppendLine(string.Join(", ",
MethodSignatureElement.Parameters.Select(x => x.ValueTypeInfo.TypeCSharpFullName)));
}
errorMessage.AppendLine(parametersStrBldr.ToString());
errorMessage.AppendLine("Note, currently methods that use in, ref, out keywords are not considered.");
}
if (DeclaringTypeInfoInAttribute != null)
{
var matchedMethodInfo = findMethodInfoInType(DeclaringTypeInfoInAttribute.Type);
if (matchedMethodInfo != null)
{
return(matchedMethodInfo);
}
errorMessage = new StringBuilder();
errorMessage.AppendFormat("Method named '{0}', with return type '{1}' and the specified parameters was not found in interface '{2}', specified in attribute '{3}'.",
methodName, ValueTypeInfo.TypeCSharpFullName, DeclaringTypeInfoInAttribute.TypeCSharpFullName, ConfigurationFileAttributeNames.DeclaringInterface);
errorMessage.AppendLine();
appendMethodParametersDescriptionOnInvalidSignature();
errorMessage.AppendLine("Remove the attribute to look in auto-implemented interface, and all the base interfaces.");
throw new ConfigurationParseException(this, errorMessage.ToString());
}
void processType(Type type, ref bool stopProcessing2)
{
var methodInfo = findMethodInfoInType(type);
if (methodInfo != null)
{
matchedMethodInfos.Add(methodInfo);
if (type == ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.Type)
{
stopProcessing2 = true;
}
}
}
var stopProcessing = false;
TypeMemberLookupHelper.ProcessTypeImplementedInterfacesAndBaseTypes(
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.Type,
processType, ref stopProcessing);
if (matchedMethodInfos.Count == 1)
{
return(matchedMethodInfos[0]);
}
errorMessage = new StringBuilder();
errorMessage.AppendFormat("Method with name '{0}', with return type '{1}' and the specified parameters ",
methodName, ValueTypeInfo.TypeCSharpFullName);
if (matchedMethodInfos.Count == 0)
{
errorMessage.AppendFormat("was not found in auto-generated interface '{0}' or any of its parents.",
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.TypeCSharpFullName);
errorMessage.AppendLine();
appendMethodParametersDescriptionOnInvalidSignature();
}
else
{
errorMessage.AppendFormat("was not found in auto-generated interface '{0}', however a method with this name, signature, and return type occurs multiple times in parents of interface '{0}'.",
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.TypeCSharpFullName);
errorMessage.AppendLine();
errorMessage.AppendLine($"Please use attribute '{ConfigurationFileAttributeNames.DeclaringInterface}', to explicitly specify the type, where the auto-implemented method is declared.");
//--Example of proxy service--
errorMessage.AppendFormat($"Note, if necessary, you can use '{0}' to proxy the service '{1}'.",
ConfigurationFileElementNames.ProxyService, ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.TypeCSharpFullName);
errorMessage.AppendLine();
errorMessage.AppendLine(MessagesHelper.GenerateProxyServiceExample(matchedMethodInfos[0].DeclaringType,
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.Type));
// List of parent types
appendMethodParametersDescriptionOnInvalidSignature();
errorMessage.AppendLine(
string.Format("The following is the list of interfaces, where the method was found: {0}",
string.Join(", ", matchedMethodInfos.Select(x => x.DeclaringType.GetTypeNameInCSharpClass()))));
}
throw new ConfigurationParseException(this, errorMessage.ToString());
}
public ClassMemberData GetClassMemberData(IConfigurationFileElement configurationFileElement, string classMemberPath,
IEnumerable <IParameter> parameters)
{
ITypeInfo classInfo = null;
ITypeInfo memberTypeInfo;
string classMemberName = null;
Type[] parameterTypes = parameters.Select(x => x.ValueTypeInfo.Type).ToArray();
var allMatchedMemberInfos = new List <MemberInfo>();
var isStaticMember = true;
var classMemberCategory = ClassMemberCategory.Field;
var lastIndexofDot = classMemberPath.LastIndexOf('.');
if (lastIndexofDot > 0 && lastIndexofDot + 1 < classMemberPath.Length)
{
classMemberName = classMemberPath.Substring(lastIndexofDot + 1).Trim();
}
if (string.IsNullOrEmpty(classMemberName))
{
throw new ConfigurationParseException(configurationFileElement, $"No class member is specified in '{classMemberPath}'. {ExamplesOfValidClassPaths}");
}
var typeFullName = classMemberPath.Substring(0, lastIndexofDot).Trim();
if (typeFullName.Length == 0)
{
throw new ConfigurationParseException(configurationFileElement, $"No class name is provided in {classMemberPath}. {ExamplesOfValidClassPaths}");
}
INamedTypeDefinitionElement namedTypeDefinitionElement = null;
if (!typeFullName.Contains("."))
{
namedTypeDefinitionElement = configurationFileElement.GetTypeDefinition(typeFullName);
if (namedTypeDefinitionElement != null)
{
classInfo = namedTypeDefinitionElement.ValueTypeInfo;
_pluginAssemblyTypeUsageValidator.Validate(configurationFileElement, classInfo);
}
}
if (classInfo == null)
{
classInfo = _typeHelper.GetTypeInfoFromTypeFullName(configurationFileElement, typeFullName);
}
if (classInfo.Type.IsEnum)
{
if (classInfo.Type.GetEnumNames().FirstOrDefault(x => classMemberName.Equals(x, StringComparison.Ordinal)) == null)
{
throw new ConfigurationParseException(configurationFileElement, $"Enumeration value '{classMemberName}' is not defined in enumeration '{classInfo.TypeCSharpFullName}'.");
}
allMatchedMemberInfos.Add(classInfo.Type.GetMember(classMemberName).First());
classMemberCategory = ClassMemberCategory.EnumValue;
isStaticMember = true;
memberTypeInfo = classInfo;
}
else
{
Type memberReturnType = null;
void processType(Type type, ref bool stopProcessingParam)
{
MemberInfo memberInfo = null;
try
{
if (parameterTypes.Length > 0)
{
// Lets try to find a method first.
var methodInfo = type.GetMethods().FirstOrDefault(x =>
Helpers.IsMethodAMatch(x, classMemberName, parameterTypes));
if (methodInfo != null)
{
memberInfo = methodInfo;
classMemberCategory = ClassMemberCategory.Method;
isStaticMember = methodInfo.IsStatic;
memberReturnType = methodInfo.ReturnType;
}
return;
}
var memberInfos = type.GetMembers().Where(x =>
classMemberName.Equals(x.Name, StringComparison.Ordinal)).ToList();
if (memberInfos.Count == 0)
{
return;
}
if (memberInfos[0] is MethodInfo)
{
var methodInfo = (MethodInfo)memberInfos.FirstOrDefault(x => x is MethodInfo methodInfo2 &&
methodInfo2.IsPublic &&
methodInfo2.GetParameters().Length == 0);
if (methodInfo == null)
{
return;
}
memberInfo = methodInfo;
classMemberCategory = ClassMemberCategory.Method;
isStaticMember = methodInfo.IsStatic;
memberReturnType = methodInfo.ReturnType;
}
else
{
memberInfo = memberInfos[0];
if (memberInfo is FieldInfo fieldInfo)
{
if (!fieldInfo.IsPublic)
{
return;
}
classMemberCategory = ClassMemberCategory.Field;
isStaticMember = fieldInfo.IsStatic || fieldInfo.IsLiteral;
memberReturnType = fieldInfo.FieldType;
}
else if (memberInfo is PropertyInfo propertyInfo)
{
var getMethod = propertyInfo.GetGetMethod();
if (!getMethod.IsPublic)
{
return;
}
classMemberCategory = ClassMemberCategory.Property;
isStaticMember = getMethod.IsStatic;
memberReturnType = getMethod.ReturnType;
}
}
}
finally
{
if (memberInfo != null)
{
allMatchedMemberInfos.Add(memberInfo);
if (type == classInfo.Type)
{
stopProcessingParam = true;
}
}
}
}
var stopProcessing = false;
_typeMemberLookupHelper.ProcessTypeImplementedInterfacesAndBaseTypes(classInfo.Type, processType, ref stopProcessing);
if (allMatchedMemberInfos.Count == 1)
{
memberTypeInfo = _typeHelper.GetTypeInfoFromType(configurationFileElement, memberReturnType);
}
else
{
var errorMessage = new StringBuilder();
errorMessage.AppendFormat("Member with name '{0}'", classMemberName);
if (parameterTypes.Length > 0)
{
errorMessage.AppendFormat(" and parameters of types: ({0})",
string.Join(",", parameters.Select(x => x.ValueTypeInfo.TypeCSharpFullName)));
}
else
{
errorMessage.Append(" and zero parameters");
}
if (allMatchedMemberInfos.Count == 0)
{
errorMessage.AppendFormat(" was not found in type '{0}' or any of its parents.", classInfo.TypeCSharpFullName);
errorMessage.AppendLine();
}
else
{
errorMessage.AppendFormat(" was not found in type '{0}', however a member with this name occurs multiple times in parents of type '{0}'.",
classInfo.TypeCSharpFullName);
errorMessage.AppendLine();
errorMessage.AppendLine("Please specify one of the parent types where the member is declared.");
errorMessage.AppendFormat($"Note, if necessary, you can use '{0}' to proxy the service '{1}'.",
ConfigurationFileElementNames.ProxyService, classInfo.TypeCSharpFullName);
errorMessage.AppendLine();
errorMessage.AppendLine(MessagesHelper.GenerateProxyServiceExample(allMatchedMemberInfos[0].DeclaringType, classInfo.Type));
errorMessage.AppendLine(
string.Format("The following is the list of types, where the member named '{0}' was found: {1}",
classMemberName,
string.Join(", ", allMatchedMemberInfos.Select(x => x.DeclaringType.GetTypeNameInCSharpClass()))));
}
throw new ConfigurationParseException(configurationFileElement, errorMessage.ToString());
}
}
return(new ClassMemberData(classInfo, memberTypeInfo, allMatchedMemberInfos[0], parameters, !isStaticMember, classMemberCategory));
}
/*Throws an exception if single method is not found.*/
private PropertyInfo GetPropertyInfoInClassOrParents([NotNull] string propertyName)
{
StringBuilder errorMessage;
var matchedPropertyInfos = new List <PropertyInfo>();
PropertyInfo findPropertyInfoInType(Type type)
{
foreach (var propertyInfo in type.GetProperties())
{
if (!propertyInfo.Name.Equals(propertyName, StringComparison.Ordinal))
{
continue;
}
var getMethodInfo = propertyInfo.GetMethod;
if (getMethodInfo != null && getMethodInfo.IsPublic && getMethodInfo.ReturnType == ValueTypeInfo.Type)
{
return(propertyInfo);
}
}
return(null);
}
if (DeclaringTypeInfoInAttribute != null)
{
var matchedPropertyInfo = findPropertyInfoInType(DeclaringTypeInfoInAttribute.Type);
if (matchedPropertyInfo != null)
{
return(matchedPropertyInfo);
}
errorMessage = new StringBuilder();
errorMessage.AppendFormat("Property named '{0}', and with return type '{1}' was not found in interface '{2}', specified in attribute '{3}'.",
propertyName, ValueTypeInfo.TypeCSharpFullName, DeclaringTypeInfoInAttribute.TypeCSharpFullName, ConfigurationFileAttributeNames.DeclaringInterface);
errorMessage.AppendLine();
errorMessage.AppendLine("Remove the attribute to look in auto-implemented interface, and all the base interfaces.");
throw new ConfigurationParseException(this, errorMessage.ToString());
}
void processType(Type type, ref bool stopProcessing2)
{
var propertyInfo = findPropertyInfoInType(type);
if (propertyInfo != null)
{
matchedPropertyInfos.Add(propertyInfo);
if (type == ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.Type)
{
stopProcessing2 = true;
}
}
}
var stopProcessing = false;
TypeMemberLookupHelper.ProcessTypeImplementedInterfacesAndBaseTypes(
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.Type,
processType, ref stopProcessing);
if (matchedPropertyInfos.Count == 1)
{
return(matchedPropertyInfos[0]);
}
errorMessage = new StringBuilder();
errorMessage.AppendFormat("Property with name '{0}', and with return type '{1}' ",
propertyName, ValueTypeInfo.TypeCSharpFullName);
if (matchedPropertyInfos.Count == 0)
{
errorMessage.AppendFormat("was not found in auto-generated interface '{0}' or any of its parents.",
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.TypeCSharpFullName);
errorMessage.AppendLine();
}
else
{
errorMessage.AppendFormat("was not found in auto-generated interface '{0}', however a property with this name and return type occurs multiple times in parents of interface '{0}'.",
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.TypeCSharpFullName);
errorMessage.AppendLine();
errorMessage.AppendLine($"Please use attribute '{ConfigurationFileAttributeNames.DeclaringInterface}', to explicitly specify the type, where the auto-implemented property is declared.");
//--Example of proxy service--
errorMessage.AppendFormat($"Note, if necessary, you can use '{0}' to proxy the service '{1}'.",
ConfigurationFileElementNames.ProxyService, ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.TypeCSharpFullName);
errorMessage.AppendLine();
errorMessage.AppendLine(MessagesHelper.GenerateProxyServiceExample(matchedPropertyInfos[0].DeclaringType,
ParentAutoGeneratedServiceElement.ImplementedInterfaceTypeInfo.Type));
// List of parent types
errorMessage.AppendLine(
string.Format("The following is the list of interfaces, where the property was found: {0}",
string.Join(", ", matchedPropertyInfos.Select(x => x.DeclaringType.GetTypeNameInCSharpClass()))));
}
throw new ConfigurationParseException(this, errorMessage.ToString());
}