// FilterHelper code copied from: https://github.com/dotnet/coreclr/blob/bc146608854d1db9cdbcc0b08029a87754e12b49/src/mscorlib/src/System/RtType.cs#L87
// Calculate prefixLookup, ignoreCase, and listType for use by GetXXXCandidates
private static void FilterHelper(
BindingFlags bindingFlags, ref string name, bool allowPrefixLookup, out bool prefixLookup,
out bool ignoreCase, out MemberListType listType)
{
prefixLookup = false;
ignoreCase = false;
if (name != null)
{
if ((bindingFlags & BindingFlags.IgnoreCase) != 0)
{
name = name.ToLowerInvariant();
ignoreCase = true;
listType = MemberListType.CaseInsensitive;
}
else
{
listType = MemberListType.CaseSensitive;
}
if (allowPrefixLookup && name.EndsWith("*", StringComparison.Ordinal))
{
// We set prefixLookup to true if name ends with a "*".
// We will also set listType to All so that all members are included in
// the candidates which are later filtered by FilterApplyPrefixLookup.
name = name.Substring(0, name.Length - 1);
prefixLookup = true;
listType = MemberListType.All;
}
}
else
{
listType = MemberListType.All;
}
}
RuntimeFieldInfo[] GetFields_internal(string name, BindingFlags bindingAttr, MemberListType listType, RuntimeType reflectedType)
{
var refh = new RuntimeTypeHandle(reflectedType);
using (var namePtr = new Mono.SafeStringMarshal(name))
using (var h = new Mono.SafeGPtrArrayHandle(GetFields_native(namePtr.Value, bindingAttr, listType))) {
int n = h.Length;
var a = new RuntimeFieldInfo[n];
for (int i = 0; i < n; i++)
{
var fh = new RuntimeFieldHandle(h[i]);
a[i] = (RuntimeFieldInfo)FieldInfo.GetFieldFromHandle(fh, refh);
}
return(a);
}
}
RuntimeEventInfo[] GetEvents_internal(string name, BindingFlags bindingAttr, MemberListType listType, RuntimeType reflectedType)
{
var refh = new RuntimeTypeHandle(reflectedType);
using (var namePtr = new Mono.SafeStringMarshal(name))
using (var h = new Mono.SafeGPtrArrayHandle(GetEvents_native(namePtr.Value, listType))) {
int n = h.Length;
var a = new RuntimeEventInfo[n];
for (int i = 0; i < n; i++)
{
var eh = new Mono.RuntimeEventHandle(h[i]);
#if NETCORE
a[i] = (RuntimeEventInfo)RuntimeEventInfo.GetEventFromHandle(eh, refh);
#else
a[i] = (RuntimeEventInfo)EventInfo.GetEventFromHandle(eh, refh);
#endif
}
return(a);
}
}
RuntimeType[] GetNestedTypes_internal(string displayName, BindingFlags bindingAttr, MemberListType listType)
{
string internalName = null;
#if NETCORE
if (displayName != null)
{
internalName = displayName;
}
#else
if (displayName != null)
{
internalName = TypeIdentifiers.FromDisplay(displayName).InternalName;
}
#endif
using (var namePtr = new Mono.SafeStringMarshal(internalName))
using (var h = new Mono.SafeGPtrArrayHandle(GetNestedTypes_native(namePtr.Value, bindingAttr, listType))) {
int n = h.Length;
var a = new RuntimeType [n];
for (int i = 0; i < n; i++)
{
var th = new RuntimeTypeHandle(h[i]);
a[i] = (RuntimeType)Type.GetTypeFromHandle(th);
}
return(a);
}
}
extern IntPtr GetNestedTypes_native(IntPtr name, BindingFlags bindingAttr, MemberListType listType);
extern IntPtr GetFields_native(IntPtr name, BindingFlags bindingAttr, MemberListType listType);
extern IntPtr GetEvents_native(IntPtr name, MemberListType listType);
RuntimePropertyInfo[] GetPropertiesByName(string name, BindingFlags bindingAttr, MemberListType listType, RuntimeType reflectedType)
{
var refh = new RuntimeTypeHandle(reflectedType);
using (var namePtr = new Mono.SafeStringMarshal(name))
using (var h = new Mono.SafeGPtrArrayHandle(GetPropertiesByName_native(namePtr.Value, bindingAttr, listType))) {
var n = h.Length;
var a = new RuntimePropertyInfo [n];
for (int i = 0; i < n; i++)
{
var ph = new Mono.RuntimePropertyHandle(h[i]);
a[i] = (RuntimePropertyInfo)RuntimePropertyInfo.GetPropertyFromHandle(ph, refh);
}
return(a);
}
}
extern IntPtr GetPropertiesByName_native(IntPtr name, BindingFlags bindingAttr, MemberListType listType);
internal RuntimeMethodInfo[] GetMethodsByName(string name, BindingFlags bindingAttr, MemberListType listType, RuntimeType reflectedType)
{
var refh = new RuntimeTypeHandle(reflectedType);
using (var namePtr = new Mono.SafeStringMarshal(name))
using (var h = new Mono.SafeGPtrArrayHandle(GetMethodsByName_native(namePtr.Value, bindingAttr, listType))) {
var n = h.Length;
var a = new RuntimeMethodInfo [n];
for (int i = 0; i < n; i++)
{
var mh = new RuntimeMethodHandle(h[i]);
a[i] = (RuntimeMethodInfo)RuntimeMethodInfo.GetMethodFromHandleNoGenericCheck(mh, refh);
}
return(a);
}
}
internal extern IntPtr GetMethodsByName_native(IntPtr namePtr, BindingFlags bindingAttr, MemberListType listType);
