Added "Name" as an optional identifier for OSCADObjects

OSCADSharp/OSCADSharp/OSCADObject.cs

@@ -16,7 +16,7 @@ namespace OSCADSharp
     /// </summary>
     public abstract class OSCADObject
     {
-        #region Fields
+        #region Attributes
         private uint id = Ids.Get();
 
         /// <summary>
@@ -24,6 +24,11 @@ namespace OSCADSharp
         /// these values auto-increment
         /// </summary>
         public uint Id { get { return this.id; } }
+
+        /// <summary>
+        /// Name of this OSCADObject
+        /// </summary>
+        public string Name { get; set; } = null;
         #endregion
 
         #region Transforms
@@ -288,6 +293,16 @@ namespace OSCADSharp
             return allChildren;
         }
 
+        /// <summary>
+        /// Retrieves children that match the filtering predicate
+        /// </summary>
+        /// <param name="predicate">An expression like Linq's .Where() clause</param>
+        /// <returns></returns>
+        public IEnumerable<OSCADObject> Children(Func<OSCADObject, bool> predicate)
+        {
+            return this.Children().Where(predicate);
+        }
+
         /// <summary>
         /// Copies the transforms that have been applied to another OSCADObject, and applies
         /// the same transforms to this object. (Only pure transforms, like Translate, Rotate, Scale, Color)

OSCADSharp/OSCADSharp/Scripting/MultiBlockStatementObject.cs

@@ -42,7 +42,10 @@ namespace OSCADSharp.Scripting
                 childClones.Add(child.Clone());
             }
 
-            return new MultiBlockStatementObject(this.outerStatement, childClones);
+            return new MultiBlockStatementObject(this.outerStatement, childClones)
+            {
+                Name = this.Name
+            };
         }
 
         public override Vector3 Position()

OSCADSharp/OSCADSharp/Solids/Cube.cs

@@ -82,6 +82,7 @@ namespace OSCADSharp.Solids
         {
             return new Cube()
             {
+                Name = this.Name,
                 Size = this.Size,
                 Center = this.Center
             };

OSCADSharp/OSCADSharp/Solids/Cylinder.cs

@@ -138,6 +138,7 @@ namespace OSCADSharp.Solids
         {
             return new Cylinder()
             {
+                Name = this.Name,
                 Height = this.Height,
                 Radius1 = this.Radius1,
                 Radius2 = this.Radius2,

OSCADSharp/OSCADSharp/Solids/Sphere.cs

@@ -83,6 +83,7 @@ namespace OSCADSharp.Solids
         {
             return new Sphere()
             {
+                Name = this.Name,
                 Resolution = this.Resolution,
                 MinimumAngle = this.MinimumAngle,
                 MinimumFragmentSize = this.MinimumFragmentSize,

OSCADSharp/OSCADSharp/Solids/Text3D.cs

@@ -80,6 +80,7 @@ namespace OSCADSharp.Solids
         {
             return new Text3D()
             {
+                Name = this.Name,
                 Text = this.Text,
                 Size = this.Size,
                 Font = this.Font,

OSCADSharp/OSCADSharp/Transforms/ColoredObject.cs

@@ -44,7 +44,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new ColoredObject(this.obj.Clone(), this.ColorName, this.Opacity);
+            return new ColoredObject(this.obj.Clone(), this.ColorName, this.Opacity)
+            {
+                Name = this.Name
+            };
         }
 
         public OSCADObject MimicObject(OSCADObject obj)

OSCADSharp/OSCADSharp/Transforms/LinearExtrudedObject.cs

@@ -39,7 +39,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new LinearExtrudedObject(this.obj.Clone(), this.Height);
+            return new LinearExtrudedObject(this.obj.Clone(), this.Height)
+            {
+                Name = this.Name
+            };
         }
 
         public override string ToString()

OSCADSharp/OSCADSharp/Transforms/MirroredObject.cs

@@ -43,7 +43,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new MirroredObject(this.obj.Clone(), this.Normal);
+            return new MirroredObject(this.obj.Clone(), this.Normal)
+            {
+                Name = this.Name
+            };
         }
 
         public OSCADObject MimicObject(OSCADObject obj)

OSCADSharp/OSCADSharp/Transforms/ResizedObject.cs

@@ -42,7 +42,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new ResizedObject(this.obj.Clone(), this.Size);
+            return new ResizedObject(this.obj.Clone(), this.Size)
+            {
+                Name = this.Name
+            };
         }
 
         public OSCADObject MimicObject(OSCADObject obj)

OSCADSharp/OSCADSharp/Transforms/RotatedObject.cs

@@ -42,7 +42,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new RotatedObject(this.obj.Clone(), this.Angle);
+            return new RotatedObject(this.obj.Clone(), this.Angle)
+            {
+                Name = this.Name
+            };
         }
 
         public OSCADObject MimicObject(OSCADObject obj)

OSCADSharp/OSCADSharp/Transforms/ScaledObject.cs

@@ -42,7 +42,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new ScaledObject(this.obj.Clone(), this.ScaleFactor);
+            return new ScaledObject(this.obj.Clone(), this.ScaleFactor)
+            {
+                Name = this.Name
+            };
         }
 
         public OSCADObject MimicObject(OSCADObject obj)

OSCADSharp/OSCADSharp/Transforms/TranslatedObject.cs

@@ -39,7 +39,10 @@ namespace OSCADSharp.Transforms
 
         public override OSCADObject Clone()
         {
-            return new TranslatedObject(this.obj.Clone(), this.Vector);
+            return new TranslatedObject(this.obj.Clone(), this.Vector)
+            {
+                Name = this.Name
+            };
         }
 
         public OSCADObject MimicObject(OSCADObject obj)