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added object copying to MLEM.Data
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parent
d2f38e9fbf
commit
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2 changed files with 46 additions and 1 deletions
37
MLEM.Data/CopyExtensions.cs
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37
MLEM.Data/CopyExtensions.cs
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@ -0,0 +1,37 @@
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using System;
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using System.Reflection;
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namespace MLEM.Data {
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/// <summary>
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/// A set of extensions for dealing with copying objects.
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/// </summary>
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public static class CopyExtensions {
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/// <summary>
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/// Creates a shallow copy of the object and returns it.
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/// Note that, for this to work correctly, <typeparamref name="T"/> needs to contain a parameterless constructor.
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/// </summary>
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/// <param name="obj">The object to create a shallow copy of</param>
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/// <param name="flags">The binding flags for field searching</param>
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/// <typeparam name="T">The type of the object to copy</typeparam>
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/// <returns>A shallow copy of the object</returns>
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public static T Copy<T>(this T obj, BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic) {
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var copy = (T) typeof(T).GetConstructor(Type.EmptyTypes).Invoke(null);
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obj.CopyInto(copy, flags);
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return copy;
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}
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/// <summary>
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/// Copies the given object <paramref name="obj"/> into the given object <see cref="otherObj"/>.
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/// </summary>
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/// <param name="obj">The object to create a shallow copy of</param>
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/// <param name="otherObj">The object to copy into</param>
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/// <param name="flags">The binding flags for field searching</param>
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/// <typeparam name="T">The type of the object to copy</typeparam>
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public static void CopyInto<T>(this T obj, T otherObj, BindingFlags flags = BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic) {
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foreach (var field in typeof(T).GetFields(flags))
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field.SetValue(otherObj, field.GetValue(obj));
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}
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}
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}
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@ -96,6 +96,14 @@ namespace Sandbox {
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RectangleF = new RectangleF(4, 5, 6, 7).ToMlem(),
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Dir = Direction2.Left
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};
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Console.WriteLine(obj);
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var copy = obj.Copy();
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Console.WriteLine(copy);
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var intoCopy = new Test();
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obj.CopyInto(intoCopy);
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Console.WriteLine(intoCopy);
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var writer = new StringWriter();
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this.Content.GetJsonSerializer().Serialize(writer, obj);
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@ -208,7 +216,7 @@ namespace Sandbox {
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public Point Point;
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public Rectangle Rectangle;
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public MLEM.Misc.RectangleF RectangleF;
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public Direction2 Dir;
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public Direction2 Dir { get; set; }
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public override string ToString() {
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return $"{nameof(this.Vec)}: {this.Vec}, {nameof(this.Point)}: {this.Point}, {nameof(this.Rectangle)}: {this.Rectangle}, {nameof(this.RectangleF)}: {this.RectangleF}, {nameof(this.Dir)}: {this.Dir}";
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