static internal object[] GetCustomAttributes(CustomAttributeProvider attrProvider, Type attrType, bool inherit)
{
try
{
return(attrProvider.GetCustomAttributes(attrType, inherit) ?? Array.Empty <object>());
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
// where the exception is CustomAttributeFormatException and the InnerException is a TargetInvocationException,
// drill into the InnerException as this will provide a better error experience (fewer nested InnerExceptions)
// CustomerAttributeFormatException only exists from .Net Standard 1.7, so using base type FormatException instead.
if (e is FormatException && e.InnerException != null)
{
e = e.InnerException;
if (e is TargetInvocationException && e.InnerException != null)
{
e = e.InnerException;
}
}
TypeInfo typeInfo = attrProvider.TypeInfo;
MethodInfo method = attrProvider.MethodInfo;
//ParameterInfo param = attrProvider as ParameterInfo;
// there is no good way to know if this is a return type attribute
if (typeInfo != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnType2, attrType.Name, typeInfo.Name), e));
}
else if (method != null)
{
// Changed ReflectedType to DeclaringType as ReflectedType isn't available until .Net standard 1.7
// TODO: Consider changing back if project is changed to target .Net standard 1.7 or later
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnMethod3,
attrType.Name, method.Name, method.DeclaringType.Name), e));
}
//else if (param != null)
//{
// method = param.Member as MethodInfo;
// if (method != null)
// {
// throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
// SR.Format(SR.SFxErrorReflectingOnParameter4,
// attrType.Name, param.Name, method.Name, method.ReflectedType.Name), e));
// }
//}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectionOnUnknown1, attrType.Name), e));
}
}
internal static T GetRequiredSingleAttribute <T>(CustomAttributeProvider attrProvider, Type[] attrTypeGroup)
where T : class
{
T result = GetSingleAttribute <T>(attrProvider, attrTypeGroup);
if (result == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.couldnTFindRequiredAttributeOfTypeOn2, typeof(T), attrProvider.ToString())));
}
return(result);
}
internal static object[] GetCustomAttributes(CustomAttributeProvider attrProvider, Type attrType, bool inherit)
{
try
{
return(attrProvider.GetCustomAttributes(attrType, inherit) ?? Array.Empty <object>());
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
// where the exception is CustomAttributeFormatException and the InnerException is a TargetInvocationException,
// drill into the InnerException as this will provide a better error experience (fewer nested InnerExceptions)
if (e is CustomAttributeFormatException && e.InnerException != null)
{
e = e.InnerException;
if (e is TargetInvocationException && e.InnerException != null)
{
e = e.InnerException;
}
}
TypeInfo typeInfo = attrProvider.TypeInfo;
MethodInfo method = attrProvider.MethodInfo;
ParameterInfo param = attrProvider.ParameterInfo;
// there is no good way to know if this is a return type attribute
if (typeInfo != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnType2, attrType.Name, typeInfo.Name), e));
}
else if (method != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnMethod3,
attrType.Name, method.Name, method.ReflectedType.Name), e));
}
else if (param != null)
{
method = param.Member as MethodInfo;
if (method != null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectingOnParameter4,
attrType.Name, param.Name, method.Name, method.ReflectedType.Name), e));
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(
SR.Format(SR.SFxErrorReflectionOnUnknown1, attrType.Name), e));
}
}
internal MessagePartDescription(MessagePartDescription other)
{
name = other.name;
ns = other.ns;
index = other.index;
type = other.type;
serializationPosition = other.serializationPosition;
this.hasProtectionLevel = other.hasProtectionLevel;
this.protectionLevel = other.protectionLevel;
memberInfo = other.memberInfo;
multiple = other.multiple;
additionalAttributesProvider = other.additionalAttributesProvider;
//this.baseType = other.baseType;
//this.uniquePartName = other.uniquePartName;
}
internal static T GetFirstAttribute <T>(CustomAttributeProvider attrProvider)
where T : class
{
Type attrType = typeof(T);
object[] attrs = GetCustomAttributes(attrProvider, attrType);
if (attrs.Length == 0)
{
return(null);
}
else
{
return(attrs[0] as T);
}
}
internal MessagePartDescription(MessagePartDescription other)
{
XmlName = other.XmlName;
Namespace = other.Namespace;
Index = other.Index;
Type = other.Type;
SerializationPosition = other.SerializationPosition;
_hasProtectionLevel = other._hasProtectionLevel;
_protectionLevel = other._protectionLevel;
MemberInfo = other.MemberInfo;
Multiple = other.Multiple;
_additionalAttributesProvider = other._additionalAttributesProvider;
//this.baseType = other.baseType;
//this.uniquePartName = other.uniquePartName;
}
internal static T GetSingleAttribute <T>(CustomAttributeProvider attrProvider) where T : class
{
Type attrType = typeof(T);
object[] attrs = GetCustomAttributes(attrProvider, attrType);
if (attrs.Length == 0)
{
return(null);
}
else if (attrs.Length > 1)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.tooManyAttributesOfTypeOn2, attrType, attrProvider.ToString())));
}
else
{
return(attrs[0] as T);
}
}
internal static T GetSingleAttribute <T>(CustomAttributeProvider attrProvider, Type[] attrTypeGroup)
where T : class
{
T result = GetSingleAttribute <T>(attrProvider);
if (result != null)
{
Type attrType = typeof(T);
foreach (Type otherType in attrTypeGroup)
{
if (otherType == attrType)
{
continue;
}
object[] attrs = GetCustomAttributes(attrProvider, otherType);
if (attrs != null && attrs.Length > 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.SFxDisallowedAttributeCombination, attrProvider, attrType.FullName, otherType.FullName)));
}
}
}
return(result);
}
internal static object[] GetCustomAttributes(CustomAttributeProvider attrProvider, Type attrType)
{
return(GetCustomAttributes(attrProvider, attrType, false));
}
