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* added test and implementation draft. Need to workaround fastmember I think * copied FastMember and applied necessary changes
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,48 @@ | ||
| using System.Collections; | ||
| using System.Runtime.CompilerServices; | ||
| using System; | ||
| using Microsoft.CSharp.RuntimeBinder; | ||
|
|
||
| namespace FastMember | ||
| { | ||
| internal static class CallSiteCache | ||
| { | ||
| private static readonly Hashtable getters = new Hashtable(), setters = new Hashtable(); | ||
|
|
||
| internal static object GetValue(string name, object target) | ||
| { | ||
| CallSite<Func<CallSite, object, object>> callSite = (CallSite<Func<CallSite, object, object>>)getters[name]; | ||
| if (callSite == null) | ||
| { | ||
| CallSite<Func<CallSite, object, object>> newSite = CallSite<Func<CallSite, object, object>>.Create(Binder.GetMember(CSharpBinderFlags.None, name, typeof(CallSiteCache), new CSharpArgumentInfo[] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null) })); | ||
| lock (getters) | ||
| { | ||
| callSite = (CallSite<Func<CallSite, object, object>>)getters[name]; | ||
| if (callSite == null) | ||
| { | ||
| getters[name] = callSite = newSite; | ||
| } | ||
| } | ||
| } | ||
| return callSite.Target(callSite, target); | ||
| } | ||
| internal static void SetValue(string name, object target, object value) | ||
| { | ||
| CallSite<Func<CallSite, object, object, object>> callSite = (CallSite<Func<CallSite, object, object, object>>)setters[name]; | ||
| if (callSite == null) | ||
| { | ||
| CallSite<Func<CallSite, object, object, object>> newSite = CallSite<Func<CallSite, object, object, object>>.Create(Binder.SetMember(CSharpBinderFlags.None, name, typeof(CallSiteCache), new CSharpArgumentInfo[] { CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.None, null), CSharpArgumentInfo.Create(CSharpArgumentInfoFlags.UseCompileTimeType, null) })); | ||
| lock (setters) | ||
| { | ||
| callSite = (CallSite<Func<CallSite, object, object, object>>)setters[name]; | ||
| if (callSite == null) | ||
| { | ||
| setters[name] = callSite = newSite; | ||
| } | ||
| } | ||
| } | ||
| callSite.Target(callSite, target, value); | ||
| } | ||
|
|
||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,150 @@ | ||
| using System; | ||
| using System.Collections.Generic; | ||
| using System.Linq; | ||
| using System.Reflection; | ||
|
|
||
| namespace FastMember | ||
| { | ||
| /// <summary> | ||
| /// Represents an abstracted view of the members defined for a type | ||
| /// </summary> | ||
| public sealed class MemberSet : IEnumerable<Member>, IList<Member> | ||
| { | ||
| Member[] members; | ||
| internal MemberSet(Type type) | ||
| { | ||
| const BindingFlags PublicInstance = BindingFlags.Public | BindingFlags.Instance; | ||
| members = type.GetTypeAndInterfaceProperties(PublicInstance).Cast<MemberInfo>().Concat(type.GetFields(PublicInstance).Cast<MemberInfo>()).OrderBy(x => x.Name) | ||
| .Select(member => new Member(member)).ToArray(); | ||
| } | ||
| /// <summary> | ||
| /// Return a sequence of all defined members | ||
| /// </summary> | ||
| public IEnumerator<Member> GetEnumerator() | ||
| { | ||
| foreach (var member in members) yield return member; | ||
| } | ||
| /// <summary> | ||
| /// Get a member by index | ||
| /// </summary> | ||
| public Member this[int index] | ||
| { | ||
| get { return members[index]; } | ||
| } | ||
| /// <summary> | ||
| /// The number of members defined for this type | ||
| /// </summary> | ||
| public int Count { get { return members.Length; } } | ||
| Member IList<Member>.this[int index] | ||
| { | ||
| get { return members[index]; } | ||
| set { throw new NotSupportedException(); } | ||
| } | ||
|
|
||
| System.Collections.IEnumerator System.Collections.IEnumerable.GetEnumerator() { return GetEnumerator(); } | ||
| bool ICollection<Member>.Remove(Member item) { throw new NotSupportedException(); } | ||
| void ICollection<Member>.Add(Member item) { throw new NotSupportedException(); } | ||
| void ICollection<Member>.Clear() { throw new NotSupportedException(); } | ||
| void IList<Member>.RemoveAt(int index) { throw new NotSupportedException(); } | ||
| void IList<Member>.Insert(int index, Member item) { throw new NotSupportedException(); } | ||
|
|
||
| bool ICollection<Member>.Contains(Member item) => members.Contains(item); | ||
| void ICollection<Member>.CopyTo(Member[] array, int arrayIndex) { members.CopyTo(array, arrayIndex); } | ||
| bool ICollection<Member>.IsReadOnly { get { return true; } } | ||
| int IList<Member>.IndexOf(Member member) { return Array.IndexOf<Member>(members, member); } | ||
|
|
||
| } | ||
| /// <summary> | ||
| /// Represents an abstracted view of an individual member defined for a type | ||
| /// </summary> | ||
| public sealed class Member | ||
| { | ||
| private readonly MemberInfo member; | ||
| internal Member(MemberInfo member) | ||
| { | ||
| this.member = member; | ||
| } | ||
| /// <summary> | ||
| /// The ordinal of this member among other members. | ||
| /// Returns -1 in case the ordinal is not set. | ||
| /// </summary> | ||
| public int Ordinal | ||
| { | ||
| get | ||
| { | ||
| var ordinalAttr = member.CustomAttributes.FirstOrDefault(p => p.AttributeType == typeof(OrdinalAttribute)); | ||
|
|
||
| if (ordinalAttr == null) | ||
| { | ||
| return -1; | ||
| } | ||
|
|
||
| // OrdinalAttribute class must have only one constructor with a single argument. | ||
| return Convert.ToInt32(ordinalAttr.ConstructorArguments.Single().Value); | ||
| } | ||
| } | ||
| /// <summary> | ||
| /// The name of this member | ||
| /// </summary> | ||
| public string Name { get { return member.Name; } } | ||
| /// <summary> | ||
| /// The type of value stored in this member | ||
| /// </summary> | ||
| public Type Type | ||
| { | ||
| get | ||
| { | ||
| if(member is FieldInfo) return ((FieldInfo)member).FieldType; | ||
| if (member is PropertyInfo) return ((PropertyInfo)member).PropertyType; | ||
| throw new NotSupportedException(member.GetType().Name); | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Is the attribute specified defined on this type | ||
| /// </summary> | ||
| public bool IsDefined(Type attributeType) | ||
| { | ||
| if (attributeType == null) throw new ArgumentNullException(nameof(attributeType)); | ||
| return Attribute.IsDefined(member, attributeType); | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Getting Attribute Type | ||
| /// </summary> | ||
| public Attribute GetAttribute(Type attributeType, bool inherit) | ||
| => Attribute.GetCustomAttribute(member, attributeType, inherit); | ||
|
|
||
| /// <summary> | ||
| /// Property Can Write | ||
| /// </summary> | ||
| public bool CanWrite | ||
| { | ||
| get | ||
| { | ||
| switch (member.MemberType) | ||
| { | ||
| case MemberTypes.Field: return true; | ||
| case MemberTypes.Property: return ((PropertyInfo)member).CanWrite; | ||
| default: throw new NotSupportedException(member.MemberType.ToString()); | ||
| } | ||
| } | ||
| } | ||
|
|
||
| /// <summary> | ||
| /// Property Can Read | ||
| /// </summary> | ||
| public bool CanRead | ||
| { | ||
| get | ||
| { | ||
| switch (member.MemberType) | ||
| { | ||
| case MemberTypes.Field: return true; | ||
| case MemberTypes.Property: return ((PropertyInfo)member).CanRead; | ||
| default: throw new NotSupportedException(member.MemberType.ToString()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } |
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