Xmi CodeDom Library, Part 2 - Using dynamic types to increase performance

/* 
 * Copyright 2006, Dustin Metzgar
 * 
 * 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.
 */

using System;
using System.CodeDom;
using System.Collections.Generic;

namespace XmiCodeDomLib.Version1_0
{
	[XmiParser("Foundation.Core.DataType")]
	public class XmiDataType : XmiBaseClass, IFoundationCoreModelElement, IFoundationCoreGeneralizableElement
	{
		#region Members
		
		private bool _IsSystemType = false;
		private Type _SystemType = null;

		[XmiIgnore]
		public bool IsSystemType
		{
			get { return _IsSystemType; }
		}
		
		[XmiIgnore]
		public Type SystemType
		{
			get { return _SystemType; }
		}
		
		private void EvaluateSystemType()
		{
			string name = XmiRoot.GetSafeName(Name);
			if (name != string.Empty)
			{
				_SystemType = Type.GetType("system." + name, false, true);
				_IsSystemType = _SystemType != null;
				if (!_IsSystemType)
				{
					switch (name.ToLower())
					{
						case "float":
							_SystemType = typeof(float);
							_IsSystemType = true;
							break;
						case "bool":
							_SystemType = typeof(bool);
							_IsSystemType = true;
							break;
						case "uint":
							goto case "int";
						case "int":
							_SystemType = typeof(int);
							_IsSystemType = true;
							break;
					}
				}
				_Name = name;
			}
		}
		
		#endregion
		
		#region IFoundationCoreModelElement Members

        private string _Name = string.Empty;
		private bool _IsSpecification;
        private string _Visibility = string.Empty;

		public string Name
		{
			get
			{
				return _Name;
			}
			set
			{
				_Name = value;
				EvaluateSystemType();
			}
		}

		public bool IsSpecification
		{
			get
			{
				return _IsSpecification;
			}
			set
			{
				_IsSpecification = value;
			}
		}

		public string Visibility
		{
			get
			{
				return _Visibility;
			}
			set
			{
				_Visibility = value;
			}
		}
        
        private XmiBaseClass _Namespace = null;
        
        public XmiBaseClass Namespace
        {
        	get { return _Namespace; }
        	set { _Namespace = value; }
        }

		#endregion

		#region IFoundationCoreGeneralizableElement Members

		private bool _IsRoot;
		private bool _IsLeaf;
		private bool _IsAbstract;

		public bool IsRoot
		{
			get
			{
				return _IsRoot;
			}
			set
			{
				_IsRoot = value;
			}
		}

		public bool IsLeaf
		{
			get
			{
				return _IsLeaf;
			}
			set
			{
				_IsLeaf = value;
			}
		}

		public bool IsAbstract
		{
			get
			{
				return _IsAbstract;
			}
			set
			{
				_IsAbstract = value;
			}
		}

		#endregion
 
		#region Methods for creating CodeDom graph
		
		public void AddToNamespace(CodeNamespace cn)
		{
			if (!_IsSystemType)
			{
				string name = XmiRoot.GetSafeName(Name);
				if (name != string.Empty)
				{
					CodeTypeDeclaration ctd = new CodeTypeDeclaration(name);
					cn.Types.Add(ctd);
					ctd.IsStruct = true;
				}
			}
		}
		
		#endregion
	}
}