ValueFactory.cs

/*
XmlSceneDumper and associated classes, Copyright 2019 Jeff Skubick

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.

This program was inspired by SceneDumper.cs, copyright December 2010 by Yossarian King.
The original code can be obtained from http://wiki.unity3d.com/index.php/SceneDumper
*/
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using UnityEngine;
using UnityEditor;

namespace scenedump {
	/**	This class is necessary because, for some inane reason, Unity provides no way to get a generalized String representation of SerializedProperty values */
	public class SerializedPropertyValue {

		public static object parse(SerializedProperty property) {
			switch (property.propertyType) {
				case SerializedPropertyType.Integer: return property.intValue;
				case SerializedPropertyType.Boolean: return property.boolValue;
				case SerializedPropertyType.Float: return property.floatValue;
				case SerializedPropertyType.String: return property.stringValue;
				case SerializedPropertyType.Color: return property.colorValue;
				case SerializedPropertyType.ObjectReference: return property.objectReferenceValue;
				case SerializedPropertyType.Vector2: return property.vector2Value;
				case SerializedPropertyType.Vector3: return property.vector3Value;
				case SerializedPropertyType.Vector4: return property.vector4Value;
				case SerializedPropertyType.Rect: return property.rectValue;
				case SerializedPropertyType.ArraySize: return property.arraySize;
				case SerializedPropertyType.Character: return property.stringValue;
				case SerializedPropertyType.AnimationCurve: return property.animationCurveValue;
				case SerializedPropertyType.Bounds: return property.boundsValue;
				case SerializedPropertyType.Quaternion: return property.quaternionValue;
				case SerializedPropertyType.ExposedReference: return property.exposedReferenceValue;
				case SerializedPropertyType.FixedBufferSize: return property.fixedBufferSize;
				case SerializedPropertyType.Vector2Int: return property.vector2IntValue;
				case SerializedPropertyType.Vector3Int: return property.vector3IntValue;
				case SerializedPropertyType.RectInt: return property.rectIntValue;
				case SerializedPropertyType.BoundsInt: return property.boundsIntValue;

				case SerializedPropertyType.LayerMask: return (uint)property.longValue;

				case SerializedPropertyType.Enum: 
					if (property.enumValueIndex < 0) {
						return $"«error[enumValueIndex {property.enumValueIndex} is negative]»";
					}

					if (property.enumValueIndex > (property.enumDisplayNames.Length - 1))
						return $"«error[enumValueIndex={property.enumValueIndex} greater than size of enum ({property.enumDisplayNames.Length})]»";
					return property.enumDisplayNames[property.enumValueIndex];
				/*
					String[] names = property.enumDisplayNames;
					StringBuilder s = new StringBuilder($"{property.enumValueIndex} : ");
					foreach (String name in names)
						s.Append($"{name},");
					return s.ToString().Substring(0, s.ToString().Length - 1);
				*/
				case SerializedPropertyType.Generic:
					if (property.isArray) {
						var array = new object[property.arraySize];
						for (int x = 0; x < array.Length; x++) {
							array[x] = parse(property.GetArrayElementAtIndex(x));
						}
						return array;
					}
					break;
			}
			
			return new UnknownType($"«@ToDo:unknown-type[{property.propertyType.ToString()}]»");
		}
	}
}