public static List <MemberInfo> GetFieldsAndProperties(Type type, PlayFab.Json.Utilities.BindingFlags bindingAttr)
{
List <MemberInfo> targetMembers = new List <MemberInfo>();
targetMembers.AddRange(GetFields(type, bindingAttr));
targetMembers.AddRange(GetProperties(type, bindingAttr));
// for some reason .NET returns multiple members when overriding a generic member on a base class
// http://forums.msdn.microsoft.com/en-US/netfxbcl/thread/b5abbfee-e292-4a64-8907-4e3f0fb90cd9/
// filter members to only return the override on the topmost class
// update: I think this is fixed in .NET 3.5 SP1 - leave this in for now...
List <MemberInfo> distinctMembers = new List <MemberInfo>(targetMembers.Count);
foreach (var groupedMember in targetMembers.GroupBy(m => m.Name))
{
int count = groupedMember.Count();
IList <MemberInfo> members = groupedMember.ToList();
if (count == 1)
{
distinctMembers.Add(members.First());
}
else
{
var resolvedMembers = members.Where(m => !IsOverridenGenericMember(m, bindingAttr) || m.Name == "Item");
distinctMembers.AddRange(resolvedMembers);
}
}
return(distinctMembers);
}
private static bool IsOverridenGenericMember(MemberInfo memberInfo, PlayFab.Json.Utilities.BindingFlags bindingAttr)
{
MemberTypes memberType = memberInfo.MemberType();
if (memberType != MemberTypes.Field && memberType != MemberTypes.Property)
{
throw new ArgumentException("Member must be a field or property.");
}
Type declaringType = memberInfo.DeclaringType;
if (!declaringType.IsGenericType())
{
return(false);
}
Type genericTypeDefinition = declaringType.GetGenericTypeDefinition();
if (genericTypeDefinition == null)
{
return(false);
}
MemberInfo[] members = genericTypeDefinition.GetMember(memberInfo.Name, bindingAttr);
if (members.Length == 0)
{
return(false);
}
Type memberUnderlyingType = GetMemberUnderlyingType(members[0]);
if (!memberUnderlyingType.IsGenericParameter)
{
return(false);
}
return(true);
}
public static IEnumerable <PropertyInfo> GetProperties(this Type type, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
IList <PropertyInfo> properties = (bindingFlags.HasFlag(PlayFab.Json.Utilities.BindingFlags.DeclaredOnly))
? type.GetTypeInfo().DeclaredProperties.ToList()
: type.GetTypeInfo().GetPropertiesRecursive();
return(properties.Where(p => TestAccessibility(p, bindingFlags)));
}
public static IEnumerable <FieldInfo> GetFields(Type targetType, PlayFab.Json.Utilities.BindingFlags bindingAttr)
{
ValidationUtils.ArgumentNotNull(targetType, "targetType");
List <MemberInfo> fieldInfos = new List <MemberInfo>(targetType.GetFields(bindingAttr));
return(fieldInfos.Cast <FieldInfo>());
}
public static IEnumerable <FieldInfo> GetFields(this Type type, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
IList <FieldInfo> fields = (bindingFlags.HasFlag(PlayFab.Json.Utilities.BindingFlags.DeclaredOnly))
? type.GetTypeInfo().DeclaredFields.ToList()
: type.GetTypeInfo().GetFieldsRecursive();
return(fields.Where(f => TestAccessibility(f, bindingFlags)).ToList());
}
private static bool TestAccessibility(MethodBase member, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
bool visibility = (member.IsPublic && bindingFlags.HasFlag(PlayFab.Json.Utilities.BindingFlags.Public)) ||
(!member.IsPublic && bindingFlags.HasFlag(PlayFab.Json.Utilities.BindingFlags.NonPublic));
bool instance = (member.IsStatic && bindingFlags.HasFlag(PlayFab.Json.Utilities.BindingFlags.Static)) ||
(!member.IsStatic && bindingFlags.HasFlag(PlayFab.Json.Utilities.BindingFlags.Instance));
return(visibility && instance);
}
public static ConstructorInfo GetDefaultConstructor(Type t, bool nonPublic)
{
PlayFab.Json.Utilities.BindingFlags bindingFlags = PlayFab.Json.Utilities.BindingFlags.Instance | PlayFab.Json.Utilities.BindingFlags.Public;
if (nonPublic)
{
bindingFlags = bindingFlags | PlayFab.Json.Utilities.BindingFlags.NonPublic;
}
return(t.GetConstructors(bindingFlags).SingleOrDefault(c => !c.GetParameters().Any()));
}
private static bool TestAccessibility(PropertyInfo member, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
if (member.GetMethod != null && TestAccessibility(member.GetMethod, bindingFlags))
{
return(true);
}
if (member.SetMethod != null && TestAccessibility(member.SetMethod, bindingFlags))
{
return(true);
}
return(false);
}
public static MethodInfo GetMethod(this Type type, string name, PlayFab.Json.Utilities.BindingFlags bindingFlags, object placeHolder1, IList <Type> parameterTypes, object placeHolder2)
{
return(type.GetTypeInfo().DeclaredMethods.Where(m =>
{
if (name != null && m.Name != name)
{
return false;
}
if (!TestAccessibility(m, bindingFlags))
{
return false;
}
return m.GetParameters().Select(p => p.ParameterType).SequenceEqual(parameterTypes);
}).SingleOrDefault());
}
private static bool TestAccessibility(MemberInfo member, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
if (member is FieldInfo)
{
return(TestAccessibility((FieldInfo)member, bindingFlags));
}
else if (member is MethodBase)
{
return(TestAccessibility((MethodBase)member, bindingFlags));
}
else if (member is PropertyInfo)
{
return(TestAccessibility((PropertyInfo)member, bindingFlags));
}
throw new Exception("Unexpected member type.");
}
private static IEnumerable <ConstructorInfo> GetConstructors(this Type type, PlayFab.Json.Utilities.BindingFlags bindingFlags, IList <Type> parameterTypes)
{
return(type.GetTypeInfo().DeclaredConstructors.Where(c =>
{
if (!TestAccessibility(c, bindingFlags))
{
return false;
}
if (parameterTypes != null && !c.GetParameters().Select(p => p.ParameterType).SequenceEqual(parameterTypes))
{
return false;
}
return true;
}));
}
public static MemberInfo GetMemberInfoFromType(Type targetType, MemberInfo memberInfo)
{
const PlayFab.Json.Utilities.BindingFlags bindingAttr = PlayFab.Json.Utilities.BindingFlags.Instance | PlayFab.Json.Utilities.BindingFlags.Static | PlayFab.Json.Utilities.BindingFlags.Public | PlayFab.Json.Utilities.BindingFlags.NonPublic;
switch (memberInfo.MemberType())
{
case MemberTypes.Property:
PropertyInfo propertyInfo = (PropertyInfo)memberInfo;
Type[] types = propertyInfo.GetIndexParameters().Select(p => p.ParameterType).ToArray();
return(targetType.GetProperty(propertyInfo.Name, bindingAttr, null, propertyInfo.PropertyType, types, null));
default:
return(targetType.GetMember(memberInfo.Name, memberInfo.MemberType(), bindingAttr).SingleOrDefault());
}
}
private static void GetChildPrivateFields(IList <MemberInfo> initialFields, Type targetType, PlayFab.Json.Utilities.BindingFlags bindingAttr)
{
// fix weirdness with private FieldInfos only being returned for the current Type
// find base type fields and add them to result
if ((bindingAttr & PlayFab.Json.Utilities.BindingFlags.NonPublic) != 0)
{
// modify flags to not search for public fields
PlayFab.Json.Utilities.BindingFlags nonPublicBindingAttr = bindingAttr.RemoveFlag(PlayFab.Json.Utilities.BindingFlags.Public);
while ((targetType = targetType.BaseType()) != null)
{
// filter out protected fields
IEnumerable <MemberInfo> childPrivateFields =
targetType.GetFields(nonPublicBindingAttr).Where(f => f.IsPrivate).Cast <MemberInfo>();
initialFields.AddRange(childPrivateFields);
}
}
}
public static IEnumerable <PropertyInfo> GetProperties(Type targetType, PlayFab.Json.Utilities.BindingFlags bindingAttr)
{
ValidationUtils.ArgumentNotNull(targetType, "targetType");
List <PropertyInfo> propertyInfos = new List <PropertyInfo>(targetType.GetProperties(bindingAttr));
GetChildPrivateProperties(propertyInfos, targetType, bindingAttr);
// a base class private getter/setter will be inaccessable unless the property was gotten from the base class
for (int i = 0; i < propertyInfos.Count; i++)
{
PropertyInfo member = propertyInfos[i];
if (member.DeclaringType != targetType)
{
PropertyInfo declaredMember = (PropertyInfo)GetMemberInfoFromType(member.DeclaringType, member);
propertyInfos[i] = declaredMember;
}
}
return(propertyInfos);
}
public static PropertyInfo GetProperty(this Type type, string name, PlayFab.Json.Utilities.BindingFlags bindingFlags, object placeholder1, Type propertyType, IList <Type> indexParameters, object placeholder2)
{
return(type.GetTypeInfo().DeclaredProperties.Where(p =>
{
if (name != null && name != p.Name)
{
return false;
}
if (propertyType != null && propertyType != p.PropertyType)
{
return false;
}
if (indexParameters != null)
{
if (!p.GetIndexParameters().Select(ip => ip.ParameterType).SequenceEqual(indexParameters))
{
return false;
}
}
return true;
}).SingleOrDefault());
}
public static PropertyInfo GetProperty(this Type type, string name, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetTypeInfo().GetDeclaredProperty(name));
}
public static IEnumerable <ConstructorInfo> GetConstructors(this Type type, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetConstructors(bindingFlags, null));
}
public static IEnumerable <MemberInfo> GetMember(this Type type, string name, MemberTypes memberType, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetTypeInfo().GetMembersRecursive().Where(m =>
{
if (name != null && name != m.Name)
{
return false;
}
if (m.MemberType() != memberType)
{
return false;
}
if (!TestAccessibility(m, bindingFlags))
{
return false;
}
return true;
}));
}
public static ConstructorInfo GetConstructor(this Type type, PlayFab.Json.Utilities.BindingFlags bindingFlags, object placeholder1, IList <Type> parameterTypes, object placeholder2)
{
return(type.GetConstructors(bindingFlags, parameterTypes).SingleOrDefault());
}
public static MemberInfo[] GetMember(this Type type, string member, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetTypeInfo().GetMembersRecursive().Where(m => m.Name == member && TestAccessibility(m, bindingFlags)).ToArray());
}
public static MemberInfo GetField(this Type type, string member, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetTypeInfo().GetDeclaredField(member));
}
public static IEnumerable <MethodInfo> GetMethods(this Type type, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetTypeInfo().DeclaredMethods);
}
public static PlayFab.Json.Utilities.BindingFlags RemoveFlag(this PlayFab.Json.Utilities.BindingFlags bindingAttr, PlayFab.Json.Utilities.BindingFlags flag)
{
return(((bindingAttr & flag) == flag)
? bindingAttr ^ flag
: bindingAttr);
}
private static void GetChildPrivateProperties(IList <PropertyInfo> initialProperties, Type targetType, PlayFab.Json.Utilities.BindingFlags bindingAttr)
{
// fix weirdness with private PropertyInfos only being returned for the current Type
// find base type properties and add them to result
// also find base properties that have been hidden by subtype properties with the same name
while ((targetType = targetType.BaseType()) != null)
{
foreach (PropertyInfo propertyInfo in targetType.GetProperties(bindingAttr))
{
PropertyInfo subTypeProperty = propertyInfo;
if (!IsPublic(subTypeProperty))
{
// have to test on name rather than reference because instances are different
// depending on the type that GetProperties was called on
int index = initialProperties.IndexOf(p => p.Name == subTypeProperty.Name);
if (index == -1)
{
initialProperties.Add(subTypeProperty);
}
else
{
// replace nonpublic properties for a child, but gotten from
// the parent with the one from the child
// the property gotten from the child will have access to private getter/setter
initialProperties[index] = subTypeProperty;
}
}
else
{
if (!subTypeProperty.IsVirtual())
{
int index = initialProperties.IndexOf(p => p.Name == subTypeProperty.Name &&
p.DeclaringType == subTypeProperty.DeclaringType);
if (index == -1)
{
initialProperties.Add(subTypeProperty);
}
}
else
{
int index = initialProperties.IndexOf(p => p.Name == subTypeProperty.Name &&
p.IsVirtual() &&
p.GetBaseDefinition() != null &&
p.GetBaseDefinition().DeclaringType.IsAssignableFrom(subTypeProperty.DeclaringType));
if (index == -1)
{
initialProperties.Add(subTypeProperty);
}
}
}
}
}
}
public static MethodInfo GetMethod(this Type type, string name, PlayFab.Json.Utilities.BindingFlags bindingFlags)
{
return(type.GetTypeInfo().GetDeclaredMethod(name));
}