// FilterAttribute
// This method will search for a member based upon the attribute passed in.
// filterCriteria -- an Int32 representing the attribute
private static bool FilterAttributeImpl(MemberInfo m, object filterCriteria)
{
// Check that the criteria object is an Integer object
if (filterCriteria == null)
{
throw new InvalidFilterCriteriaException(SR.InvalidFilterCriteriaException_CritInt);
}
switch (m.MemberType)
{
case MemberTypes.Constructor:
case MemberTypes.Method:
{
MethodAttributes criteria = 0;
try
{
int i = (int)filterCriteria;
criteria = (MethodAttributes)i;
}
catch
{
throw new InvalidFilterCriteriaException(SR.InvalidFilterCriteriaException_CritInt);
}
MethodAttributes attr;
if (m.MemberType == MemberTypes.Method)
{
attr = ((MethodInfo)m).Attributes;
}
else
{
attr = ((ConstructorInfo)m).Attributes;
}
if (((criteria & MethodAttributes.MemberAccessMask) != 0) && (attr & MethodAttributes.MemberAccessMask) != (criteria & MethodAttributes.MemberAccessMask))
{
return(false);
}
if (((criteria & MethodAttributes.Static) != 0) && (attr & MethodAttributes.Static) == 0)
{
return(false);
}
if (((criteria & MethodAttributes.Final) != 0) && (attr & MethodAttributes.Final) == 0)
{
return(false);
}
if (((criteria & MethodAttributes.Virtual) != 0) && (attr & MethodAttributes.Virtual) == 0)
{
return(false);
}
if (((criteria & MethodAttributes.Abstract) != 0) && (attr & MethodAttributes.Abstract) == 0)
{
return(false);
}
if (((criteria & MethodAttributes.SpecialName) != 0) && (attr & MethodAttributes.SpecialName) == 0)
{
return(false);
}
return(true);
}
case MemberTypes.Field:
{
FieldAttributes criteria = 0;
try
{
int i = (int)filterCriteria;
criteria = (FieldAttributes)i;
}
catch
{
throw new InvalidFilterCriteriaException(SR.InvalidFilterCriteriaException_CritInt);
}
FieldAttributes attr = ((FieldInfo)m).Attributes;
if (((criteria & FieldAttributes.FieldAccessMask) != 0) && (attr & FieldAttributes.FieldAccessMask) != (criteria & FieldAttributes.FieldAccessMask))
{
return(false);
}
if (((criteria & FieldAttributes.Static) != 0) && (attr & FieldAttributes.Static) == 0)
{
return(false);
}
if (((criteria & FieldAttributes.InitOnly) != 0) && (attr & FieldAttributes.InitOnly) == 0)
{
return(false);
}
if (((criteria & FieldAttributes.Literal) != 0) && (attr & FieldAttributes.Literal) == 0)
{
return(false);
}
if (((criteria & FieldAttributes.NotSerialized) != 0) && (attr & FieldAttributes.NotSerialized) == 0)
{
return(false);
}
if (((criteria & FieldAttributes.PinvokeImpl) != 0) && (attr & FieldAttributes.PinvokeImpl) == 0)
{
return(false);
}
return(true);
}
}
return(false);
}
public sealed override bool HasSameMetadataDefinitionAs(MemberInfo other) => HasSameMetadataDefinitionAsCore <RuntimeType> (other);
public virtual MemberInfo[] FindMembers(MemberTypes memberType, BindingFlags bindingAttr, MemberFilter filter, object filterCriteria)
{
// Define the work arrays
MethodInfo[] m = null;
ConstructorInfo[] c = null;
FieldInfo[] f = null;
PropertyInfo[] p = null;
EventInfo[] e = null;
Type[] t = null;
int i = 0;
int cnt = 0; // Total Matchs
// Check the methods
if ((memberType & MemberTypes.Method) != 0)
{
m = GetMethods(bindingAttr);
if (filter != null)
{
for (i = 0; i < m.Length; i++)
{
if (!filter(m[i], filterCriteria))
{
m[i] = null;
}
else
{
cnt++;
}
}
}
else
{
cnt += m.Length;
}
}
// Check the constructors
if ((memberType & MemberTypes.Constructor) != 0)
{
c = GetConstructors(bindingAttr);
if (filter != null)
{
for (i = 0; i < c.Length; i++)
{
if (!filter(c[i], filterCriteria))
{
c[i] = null;
}
else
{
cnt++;
}
}
}
else
{
cnt += c.Length;
}
}
// Check the fields
if ((memberType & MemberTypes.Field) != 0)
{
f = GetFields(bindingAttr);
if (filter != null)
{
for (i = 0; i < f.Length; i++)
{
if (!filter(f[i], filterCriteria))
{
f[i] = null;
}
else
{
cnt++;
}
}
}
else
{
cnt += f.Length;
}
}
// Check the Properties
if ((memberType & MemberTypes.Property) != 0)
{
p = GetProperties(bindingAttr);
if (filter != null)
{
for (i = 0; i < p.Length; i++)
{
if (!filter(p[i], filterCriteria))
{
p[i] = null;
}
else
{
cnt++;
}
}
}
else
{
cnt += p.Length;
}
}
// Check the Events
if ((memberType & MemberTypes.Event) != 0)
{
e = GetEvents(bindingAttr);
if (filter != null)
{
for (i = 0; i < e.Length; i++)
{
if (!filter(e[i], filterCriteria))
{
e[i] = null;
}
else
{
cnt++;
}
}
}
else
{
cnt += e.Length;
}
}
// Check the Types
if ((memberType & MemberTypes.NestedType) != 0)
{
t = GetNestedTypes(bindingAttr);
if (filter != null)
{
for (i = 0; i < t.Length; i++)
{
if (!filter(t[i], filterCriteria))
{
t[i] = null;
}
else
{
cnt++;
}
}
}
else
{
cnt += t.Length;
}
}
// Allocate the Member Info
MemberInfo[] ret = new MemberInfo[cnt];
// Copy the Methods
cnt = 0;
if (m != null)
{
for (i = 0; i < m.Length; i++)
{
if (m[i] != null)
{
ret[cnt++] = m[i];
}
}
}
// Copy the Constructors
if (c != null)
{
for (i = 0; i < c.Length; i++)
{
if (c[i] != null)
{
ret[cnt++] = c[i];
}
}
}
// Copy the Fields
if (f != null)
{
for (i = 0; i < f.Length; i++)
{
if (f[i] != null)
{
ret[cnt++] = f[i];
}
}
}
// Copy the Properties
if (p != null)
{
for (i = 0; i < p.Length; i++)
{
if (p[i] != null)
{
ret[cnt++] = p[i];
}
}
}
// Copy the Events
if (e != null)
{
for (i = 0; i < e.Length; i++)
{
if (e[i] != null)
{
ret[cnt++] = e[i];
}
}
}
// Copy the Types
if (t != null)
{
for (i = 0; i < t.Length; i++)
{
if (t[i] != null)
{
ret[cnt++] = t[i];
}
}
}
return(ret);
}
public static bool IsDefined(MemberInfo element, Type attributeType)
{
return(IsDefined(element, attributeType, true));
}
public static Attribute GetCustomAttribute(MemberInfo element, Type attributeType)
{
return(GetCustomAttribute(element, attributeType, true));
}
private object GetValue(MemberInfo memberInfo)
=> memberInfo switch
{
public static Attribute[] GetCustomAttributes(MemberInfo element)
{
return(GetCustomAttributes(element, true));
}
public static Attribute[] GetCustomAttributes(MemberInfo element, Type attributeType, bool inherit) => (Attribute[])CustomAttribute.GetCustomAttributes((ICustomAttributeProvider)element, attributeType, inherit);
public static bool IsDefined(MemberInfo element, Type attributeType, bool inherit) => CustomAttribute.IsDefined((ICustomAttributeProvider)element, attributeType, inherit);
public static Attribute[] GetCustomAttributes(MemberInfo element, Type attributeType) => (Attribute[])CustomAttribute.GetCustomAttributes((ICustomAttributeProvider)element, attributeType, true);
public static Attribute[] GetCustomAttributes(MemberInfo element, bool inherit) => (Attribute[])CustomAttribute.GetCustomAttributes(element, inherit);
public static Attribute[] GetCustomAttributes(MemberInfo element) => (Attribute[])CustomAttribute.GetCustomAttributes(element, true);
public static Attribute?GetCustomAttribute(MemberInfo element, Type attributeType, bool inherit) => GetAttr(element, attributeType, inherit);
public static Attribute?GetCustomAttribute(MemberInfo element, Type attributeType) => GetAttr(element, attributeType, true);