You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
641 lines
20 KiB
C#
641 lines
20 KiB
C#
using System.Collections;
|
|
using System.Collections.Generic;
|
|
using System;
|
|
using System.Linq;
|
|
using System.Reflection;
|
|
using System.ComponentModel;
|
|
using UnityEngine;
|
|
using ES3Types;
|
|
|
|
namespace ES3Internal
|
|
{
|
|
public static class ES3Reflection
|
|
{
|
|
public const string memberFieldPrefix = "m_";
|
|
public const string componentTagFieldName = "tag";
|
|
public const string componentNameFieldName = "name";
|
|
public static readonly string[] excludedPropertyNames = new string[]{"runInEditMode", "useGUILayout", "hideFlags"};
|
|
|
|
public static readonly Type serializableAttributeType = typeof(System.SerializableAttribute);
|
|
public static readonly Type serializeFieldAttributeType = typeof(SerializeField);
|
|
public static readonly Type obsoleteAttributeType = typeof(System.ObsoleteAttribute);
|
|
public static readonly Type nonSerializedAttributeType = typeof(System.NonSerializedAttribute);
|
|
public static readonly Type es3SerializableAttributeType = typeof(ES3Serializable);
|
|
public static readonly Type es3NonSerializableAttributeType = typeof(ES3NonSerializable);
|
|
|
|
public static Type[] EmptyTypes = new Type[0];
|
|
|
|
private static Assembly[] _assemblies = null;
|
|
private static Assembly[] Assemblies
|
|
{
|
|
get
|
|
{
|
|
if(_assemblies == null)
|
|
{
|
|
var assemblyNames = new ES3Settings().assemblyNames;
|
|
var assemblyList = new List<Assembly>();
|
|
|
|
for(int i=0; i<assemblyNames.Length; i++)
|
|
{
|
|
try
|
|
{
|
|
var assembly = Assembly.Load(new AssemblyName(assemblyNames[i]));
|
|
if(assembly != null)
|
|
assemblyList.Add(assembly);
|
|
}
|
|
catch{}
|
|
}
|
|
_assemblies = assemblyList.ToArray();
|
|
}
|
|
return _assemblies;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Gets the element type of a collection or array.
|
|
* Returns null if type is not a collection type.
|
|
*/
|
|
public static Type[] GetElementTypes(Type type)
|
|
{
|
|
if(IsGenericType(type))
|
|
return ES3Reflection.GetGenericArguments(type);
|
|
else if(type.IsArray)
|
|
return new Type[]{ES3Reflection.GetElementType(type)};
|
|
else
|
|
return null;
|
|
}
|
|
|
|
public static List<FieldInfo> GetSerializableFields(Type type, List<FieldInfo> serializableFields=null, bool safe=true, string[] memberNames=null, BindingFlags bindings = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly)
|
|
{
|
|
if (type == null)
|
|
return new List<FieldInfo>();
|
|
|
|
var fields = type.GetFields(bindings);
|
|
|
|
if(serializableFields == null)
|
|
serializableFields = new List<FieldInfo>();
|
|
|
|
foreach(var field in fields)
|
|
{
|
|
var fieldName = field.Name;
|
|
|
|
// If a members array was provided as a parameter, only include the field if it's in the array.
|
|
if(memberNames != null)
|
|
if(!memberNames.Contains(fieldName))
|
|
continue;
|
|
|
|
var fieldType = field.FieldType;
|
|
|
|
if (AttributeIsDefined(field, es3SerializableAttributeType))
|
|
{
|
|
serializableFields.Add(field);
|
|
continue;
|
|
}
|
|
|
|
if (AttributeIsDefined(field, es3NonSerializableAttributeType))
|
|
continue;
|
|
|
|
if (safe)
|
|
{
|
|
// If the field is private, only serialize it if it's explicitly marked as serializable.
|
|
if(!field.IsPublic && !AttributeIsDefined(field, serializeFieldAttributeType))
|
|
continue;
|
|
}
|
|
|
|
// Exclude const or readonly fields.
|
|
if (field.IsLiteral || field.IsInitOnly)
|
|
continue;
|
|
|
|
// Don't store fields whose type is the same as the class the field is housed in unless it's stored by reference (to prevent cyclic references)
|
|
if (fieldType == type && !IsAssignableFrom(typeof(UnityEngine.Object), fieldType))
|
|
continue;
|
|
|
|
// If property is marked as obsolete or non-serialized, don't serialize it.
|
|
if(AttributeIsDefined(field, nonSerializedAttributeType) || AttributeIsDefined(field, obsoleteAttributeType))
|
|
continue;
|
|
|
|
if(!TypeIsSerializable(field.FieldType))
|
|
continue;
|
|
|
|
// Don't serialize member fields.
|
|
if(safe && fieldName.StartsWith(memberFieldPrefix))
|
|
continue;
|
|
|
|
serializableFields.Add(field);
|
|
}
|
|
|
|
var baseType = BaseType(type);
|
|
if (baseType != null && baseType != typeof(System.Object) && baseType != typeof(UnityEngine.Object))
|
|
GetSerializableFields(BaseType(type), serializableFields, safe, memberNames);
|
|
|
|
return serializableFields;
|
|
}
|
|
|
|
public static List<PropertyInfo> GetSerializableProperties(Type type, List<PropertyInfo> serializableProperties=null, bool safe=true, string[] memberNames=null, BindingFlags bindings = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Static | BindingFlags.DeclaredOnly)
|
|
{
|
|
bool isComponent = IsAssignableFrom(typeof(UnityEngine.Component), type);
|
|
|
|
// Only get private properties if we're not getting properties safely.
|
|
if(!safe)
|
|
bindings = bindings | BindingFlags.NonPublic;
|
|
|
|
var properties = type.GetProperties(bindings);
|
|
|
|
if(serializableProperties == null)
|
|
serializableProperties = new List<PropertyInfo>();
|
|
|
|
foreach(var p in properties)
|
|
{
|
|
if (AttributeIsDefined(p, es3SerializableAttributeType))
|
|
{
|
|
serializableProperties.Add(p);
|
|
continue;
|
|
}
|
|
|
|
if (AttributeIsDefined(p, es3NonSerializableAttributeType))
|
|
continue;
|
|
|
|
var propertyName = p.Name;
|
|
|
|
if (excludedPropertyNames.Contains(propertyName))
|
|
continue;
|
|
|
|
// If a members array was provided as a parameter, only include the property if it's in the array.
|
|
if(memberNames != null)
|
|
if(!memberNames.Contains(propertyName))
|
|
continue;
|
|
|
|
if(safe)
|
|
{
|
|
// If safe serialization is enabled, only get properties which are explicitly marked as serializable.
|
|
if(!AttributeIsDefined(p, serializeFieldAttributeType) && !AttributeIsDefined(p, es3SerializableAttributeType))
|
|
continue;
|
|
}
|
|
|
|
var propertyType = p.PropertyType;
|
|
|
|
// Don't store properties whose type is the same as the class the property is housed in unless it's stored by reference (to prevent cyclic references)
|
|
if(propertyType == type && !IsAssignableFrom(typeof(UnityEngine.Object), propertyType))
|
|
continue;
|
|
|
|
if(!p.CanRead || !p.CanWrite)
|
|
continue;
|
|
|
|
// Only support properties with indexing if they're an array.
|
|
if(p.GetIndexParameters().Length != 0 && !propertyType.IsArray)
|
|
continue;
|
|
|
|
// Check that the type of the property is one which we can serialize.
|
|
// Also check whether an ES3Type exists for it.
|
|
if(!TypeIsSerializable(propertyType))
|
|
continue;
|
|
|
|
// Ignore certain properties on components.
|
|
if(isComponent)
|
|
{
|
|
// Ignore properties which are accessors for GameObject fields.
|
|
if(propertyName == componentTagFieldName || propertyName == componentNameFieldName)
|
|
continue;
|
|
}
|
|
|
|
// If property is marked as obsolete or non-serialized, don't serialize it.
|
|
if(AttributeIsDefined(p, obsoleteAttributeType) || AttributeIsDefined(p, nonSerializedAttributeType))
|
|
continue;
|
|
|
|
// Don't serialize member propertes as these are usually unsafe in Unity classes.
|
|
if(safe && propertyName.StartsWith(memberFieldPrefix))
|
|
continue;
|
|
|
|
serializableProperties.Add(p);
|
|
}
|
|
|
|
var baseType = BaseType(type);
|
|
if (baseType != null && baseType != typeof(System.Object))
|
|
GetSerializableProperties(baseType, serializableProperties, safe, memberNames);
|
|
|
|
return serializableProperties;
|
|
}
|
|
|
|
public static bool TypeIsSerializable(Type type)
|
|
{
|
|
if(type == null)
|
|
return false;
|
|
|
|
if (AttributeIsDefined(type, es3NonSerializableAttributeType))
|
|
return false;
|
|
|
|
if(IsPrimitive(type) || IsValueType(type) || IsAssignableFrom(typeof(UnityEngine.Component), type) || IsAssignableFrom(typeof(UnityEngine.ScriptableObject), type))
|
|
return true;
|
|
|
|
var es3Type = ES3TypeMgr.GetOrCreateES3Type(type, false);
|
|
|
|
if(es3Type != null && !es3Type.isUnsupported)
|
|
return true;
|
|
|
|
if(TypeIsArray(type))
|
|
{
|
|
if(TypeIsSerializable(type.GetElementType()))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
var genericArgs = type.GetGenericArguments();
|
|
for(int i=0; i<genericArgs.Length; i++)
|
|
if(!TypeIsSerializable(genericArgs[i]))
|
|
return false;
|
|
|
|
if(HasParameterlessConstructor(type))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
public static System.Object CreateInstance(Type type)
|
|
{
|
|
if(IsAssignableFrom(typeof(UnityEngine.Component), type))
|
|
return ES3ComponentType.CreateComponent(type);
|
|
else if(IsAssignableFrom(typeof(ScriptableObject), type))
|
|
return ScriptableObject.CreateInstance(type);
|
|
return Activator.CreateInstance(type);
|
|
}
|
|
|
|
public static System.Object CreateInstance(Type type, params object[] args)
|
|
{
|
|
if(IsAssignableFrom(typeof(UnityEngine.Component), type))
|
|
return ES3ComponentType.CreateComponent(type);
|
|
else if(IsAssignableFrom(typeof(ScriptableObject), type))
|
|
return ScriptableObject.CreateInstance(type);
|
|
return Activator.CreateInstance(type, args);
|
|
}
|
|
|
|
public static Array ArrayCreateInstance(Type type, int length)
|
|
{
|
|
return Array.CreateInstance(type, new int[]{length});
|
|
}
|
|
|
|
public static Array ArrayCreateInstance(Type type, int[] dimensions)
|
|
{
|
|
return Array.CreateInstance(type, dimensions);
|
|
}
|
|
|
|
public static Type MakeGenericType(Type type, Type genericParam)
|
|
{
|
|
return type.MakeGenericType(genericParam);
|
|
}
|
|
|
|
public static ES3ReflectedMember[] GetSerializableMembers(Type type, bool safe=true, string[] memberNames=null)
|
|
{
|
|
if (type == null)
|
|
return new ES3ReflectedMember[0];
|
|
|
|
var fieldInfos = GetSerializableFields(type, new List<FieldInfo>(), safe, memberNames);
|
|
var propertyInfos = GetSerializableProperties(type, new List<PropertyInfo>(), safe, memberNames);
|
|
var reflectedFields = new ES3ReflectedMember[fieldInfos.Count + propertyInfos.Count];
|
|
|
|
for(int i=0; i<fieldInfos.Count; i++)
|
|
reflectedFields[i] = new ES3ReflectedMember(fieldInfos[i]);
|
|
for(int i=0; i<propertyInfos.Count; i++)
|
|
reflectedFields[i+fieldInfos.Count] = new ES3ReflectedMember(propertyInfos[i]);
|
|
|
|
return reflectedFields;
|
|
}
|
|
|
|
public static ES3ReflectedMember GetES3ReflectedProperty(Type type, string propertyName)
|
|
{
|
|
var propertyInfo = ES3Reflection.GetProperty(type, propertyName);
|
|
return new ES3ReflectedMember(propertyInfo);
|
|
}
|
|
|
|
public static ES3ReflectedMember GetES3ReflectedMember(Type type, string fieldName)
|
|
{
|
|
var fieldInfo = ES3Reflection.GetField(type, fieldName);
|
|
return new ES3ReflectedMember(fieldInfo);
|
|
}
|
|
|
|
/*
|
|
* Finds all classes of a specific type, and then returns an instance of each.
|
|
* Ignores classes which can't be instantiated (i.e. abstract classes).
|
|
*/
|
|
public static IList<T> GetInstances<T>()
|
|
{
|
|
var instances = new List<T>();
|
|
foreach (var assembly in Assemblies)
|
|
foreach (var type in assembly.GetTypes())
|
|
if (IsAssignableFrom (typeof(T), type) && ES3Reflection.HasParameterlessConstructor (type) && !ES3Reflection.IsAbstract (type))
|
|
instances.Add ((T)Activator.CreateInstance(type));
|
|
return instances;
|
|
}
|
|
|
|
public static IList<Type> GetDerivedTypes(Type derivedType)
|
|
{
|
|
return
|
|
(
|
|
from assembly in Assemblies
|
|
from type in assembly.GetTypes()
|
|
where IsAssignableFrom(derivedType, type)
|
|
select type
|
|
).ToList();
|
|
}
|
|
|
|
public static bool IsAssignableFrom(Type a, Type b)
|
|
{
|
|
return a.IsAssignableFrom(b);
|
|
}
|
|
|
|
public static Type GetGenericTypeDefinition(Type type)
|
|
{
|
|
return type.GetGenericTypeDefinition();
|
|
}
|
|
|
|
public static Type[] GetGenericArguments(Type type)
|
|
{
|
|
return type.GetGenericArguments();
|
|
}
|
|
|
|
public static int GetArrayRank(Type type)
|
|
{
|
|
return type.GetArrayRank();
|
|
}
|
|
|
|
public static string GetAssemblyQualifiedName(Type type)
|
|
{
|
|
return type.AssemblyQualifiedName;
|
|
}
|
|
|
|
public static ES3ReflectedMethod GetMethod(Type type, string methodName, Type[] genericParameters, Type[] parameterTypes)
|
|
{
|
|
return new ES3ReflectedMethod(type, methodName, genericParameters, parameterTypes);
|
|
}
|
|
|
|
public static bool TypeIsArray(Type type)
|
|
{
|
|
return type.IsArray;
|
|
}
|
|
|
|
public static Type GetElementType(Type type)
|
|
{
|
|
return type.GetElementType();
|
|
}
|
|
|
|
#if NETFX_CORE
|
|
public static bool IsAbstract(Type type)
|
|
{
|
|
return type.GetTypeInfo().IsAbstract;
|
|
}
|
|
|
|
public static bool IsInterface(Type type)
|
|
{
|
|
return type.GetTypeInfo().IsInterface;
|
|
}
|
|
|
|
public static bool IsGenericType(Type type)
|
|
{
|
|
return type.GetTypeInfo().IsGenericType;
|
|
}
|
|
|
|
public static bool IsValueType(Type type)
|
|
{
|
|
return type.GetTypeInfo().IsValueType;
|
|
}
|
|
|
|
public static bool IsEnum(Type type)
|
|
{
|
|
return type.GetTypeInfo().IsEnum;
|
|
}
|
|
|
|
public static bool HasParameterlessConstructor(Type type)
|
|
{
|
|
foreach (var cInfo in type.GetTypeInfo().DeclaredConstructors)
|
|
{
|
|
if (!cInfo.IsFamily && !cInfo.IsStatic && cInfo.GetParameters().Length == 0)
|
|
return true;
|
|
}
|
|
return false;
|
|
|
|
}
|
|
|
|
public static ConstructorInfo GetParameterlessConstructor(Type type)
|
|
{
|
|
foreach (var cInfo in type.GetTypeInfo().DeclaredConstructors)
|
|
{
|
|
if (!cInfo.IsFamily && cInfo.GetParameters().Length == 0)
|
|
return cInfo;
|
|
}
|
|
return null;
|
|
}
|
|
|
|
public static string GetShortAssemblyQualifiedName(Type type)
|
|
{
|
|
if (IsPrimitive (type))
|
|
return type.ToString ();
|
|
return type.FullName + "," + type.GetTypeInfo().Assembly.GetName().Name;
|
|
}
|
|
|
|
public static PropertyInfo GetProperty(Type type, string propertyName)
|
|
{
|
|
var property = type.GetTypeInfo().GetDeclaredProperty(propertyName);
|
|
if (property == null && type.BaseType != typeof(object))
|
|
return GetProperty(type.BaseType, propertyName);
|
|
return property;
|
|
}
|
|
|
|
public static FieldInfo GetField(Type type, string fieldName)
|
|
{
|
|
return type.GetTypeInfo().GetDeclaredField(fieldName);
|
|
}
|
|
|
|
public static bool IsPrimitive(Type type)
|
|
{
|
|
return (type.GetTypeInfo().IsPrimitive || type == typeof(string) || type == typeof(decimal));
|
|
}
|
|
|
|
public static bool AttributeIsDefined(MemberInfo info, Type attributeType)
|
|
{
|
|
var attributes = info.GetCustomAttributes(attributeType, true);
|
|
foreach(var attribute in attributes)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
public static bool AttributeIsDefined(Type type, Type attributeType)
|
|
{
|
|
var attributes = type.GetTypeInfo().GetCustomAttributes(attributeType, true);
|
|
foreach(var attribute in attributes)
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
public static bool ImplementsInterface(Type type, Type interfaceType)
|
|
{
|
|
return type.GetTypeInfo().ImplementedInterfaces.Contains(interfaceType);
|
|
}
|
|
|
|
public static Type BaseType(Type type)
|
|
{
|
|
return type.GetTypeInfo().BaseType;
|
|
}
|
|
#else
|
|
public static bool IsAbstract(Type type)
|
|
{
|
|
return type.IsAbstract;
|
|
}
|
|
|
|
public static bool IsInterface(Type type)
|
|
{
|
|
return type.IsInterface;
|
|
}
|
|
|
|
public static bool IsGenericType(Type type)
|
|
{
|
|
return type.IsGenericType;
|
|
}
|
|
|
|
public static bool IsValueType(Type type)
|
|
{
|
|
return type.IsValueType;
|
|
}
|
|
|
|
public static bool IsEnum(Type type)
|
|
{
|
|
return type.IsEnum;
|
|
}
|
|
|
|
public static bool HasParameterlessConstructor(Type type)
|
|
{
|
|
return type.GetConstructor (Type.EmptyTypes) != null || IsValueType(type);
|
|
}
|
|
|
|
public static ConstructorInfo GetParameterlessConstructor(Type type)
|
|
{
|
|
return type.GetConstructor (Type.EmptyTypes);
|
|
}
|
|
|
|
public static string GetShortAssemblyQualifiedName(Type type)
|
|
{
|
|
if (IsPrimitive (type))
|
|
return type.ToString ();
|
|
return type.FullName + "," + type.Assembly.GetName().Name;
|
|
}
|
|
|
|
public static PropertyInfo GetProperty(Type type, string propertyName)
|
|
{
|
|
var property = type.GetProperty(propertyName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
|
|
if (property == null && BaseType(type) != typeof(object))
|
|
return GetProperty(BaseType(type), propertyName);
|
|
return property;
|
|
}
|
|
|
|
public static FieldInfo GetField(Type type, string fieldName)
|
|
{
|
|
var field = type.GetField(fieldName, BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance);
|
|
if (field == null && BaseType(type) != typeof(object))
|
|
return GetField(BaseType(type), fieldName);
|
|
return field;
|
|
}
|
|
|
|
public static bool IsPrimitive(Type type)
|
|
{
|
|
return (type.IsPrimitive || type == typeof(string) || type == typeof(decimal));
|
|
}
|
|
|
|
public static bool AttributeIsDefined(MemberInfo info, Type attributeType)
|
|
{
|
|
return Attribute.IsDefined(info, attributeType, true);
|
|
}
|
|
|
|
public static bool AttributeIsDefined(Type type, Type attributeType)
|
|
{
|
|
return type.IsDefined(attributeType, true);
|
|
}
|
|
|
|
public static bool ImplementsInterface(Type type, Type interfaceType)
|
|
{
|
|
return (type.GetInterface(interfaceType.Name) != null);
|
|
}
|
|
|
|
public static Type BaseType(Type type)
|
|
{
|
|
return type.BaseType;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Allows us to use FieldInfo and PropertyInfo interchangably.
|
|
*/
|
|
public struct ES3ReflectedMember
|
|
{
|
|
// The FieldInfo or PropertyInfo for this field.
|
|
private FieldInfo fieldInfo;
|
|
private PropertyInfo propertyInfo;
|
|
public bool isProperty;
|
|
|
|
public bool IsNull { get{ return fieldInfo == null && propertyInfo == null; } }
|
|
public string Name { get{ return (isProperty ? propertyInfo.Name : fieldInfo.Name); } }
|
|
public Type MemberType { get{ return (isProperty ? propertyInfo.PropertyType : fieldInfo.FieldType); } }
|
|
public bool IsPublic { get{ return (isProperty ? (propertyInfo.GetGetMethod(true).IsPublic && propertyInfo.GetSetMethod(true).IsPublic) : fieldInfo.IsPublic); } }
|
|
public bool IsProtected { get{ return (isProperty ? (propertyInfo.GetGetMethod(true).IsFamily) : fieldInfo.IsFamily); } }
|
|
public bool IsStatic { get{ return (isProperty ? (propertyInfo.GetGetMethod(true).IsStatic) : fieldInfo.IsStatic); } }
|
|
|
|
public ES3ReflectedMember(System.Object fieldPropertyInfo)
|
|
{
|
|
if(fieldPropertyInfo == null)
|
|
{
|
|
this.propertyInfo = null;
|
|
this.fieldInfo = null;
|
|
isProperty = false;
|
|
return;
|
|
}
|
|
|
|
isProperty = ES3Reflection.IsAssignableFrom(typeof(PropertyInfo), fieldPropertyInfo.GetType());
|
|
if(isProperty)
|
|
{
|
|
this.propertyInfo = (PropertyInfo)fieldPropertyInfo;
|
|
this.fieldInfo = null;
|
|
}
|
|
else
|
|
{
|
|
this.fieldInfo = (FieldInfo)fieldPropertyInfo;
|
|
this.propertyInfo = null;
|
|
}
|
|
}
|
|
|
|
public void SetValue(System.Object obj, System.Object value)
|
|
{
|
|
if(isProperty)
|
|
propertyInfo.SetValue(obj, value, null);
|
|
else
|
|
fieldInfo.SetValue(obj, value);
|
|
}
|
|
|
|
public System.Object GetValue(System.Object obj)
|
|
{
|
|
if(isProperty)
|
|
return propertyInfo.GetValue(obj, null);
|
|
else
|
|
return fieldInfo.GetValue(obj);
|
|
}
|
|
}
|
|
|
|
public class ES3ReflectedMethod
|
|
{
|
|
private MethodInfo method;
|
|
|
|
public ES3ReflectedMethod(Type type, string methodName, Type[] genericParameters, Type[] parameterTypes)
|
|
{
|
|
MethodInfo nonGenericMethod = type.GetMethod(methodName, parameterTypes);
|
|
this.method = nonGenericMethod.MakeGenericMethod(genericParameters);
|
|
}
|
|
|
|
public ES3ReflectedMethod(Type type, string methodName, Type[] genericParameters, Type[] parameterTypes, BindingFlags bindingAttr)
|
|
{
|
|
MethodInfo nonGenericMethod = type.GetMethod(methodName, bindingAttr, null, parameterTypes, null);
|
|
this.method = nonGenericMethod.MakeGenericMethod(genericParameters);
|
|
}
|
|
|
|
public object Invoke(object obj, object[] parameters = null)
|
|
{
|
|
return method.Invoke(obj, parameters);
|
|
}
|
|
}
|
|
|
|
}
|
|
} |