//
// XmlElementAttribute.cs: 
//
// Author:
//   John Donagher (john@webmeta.com)
//
// (C) 2002 John Donagher
//

using System.Xml.Schema;
using System;

namespace System.Xml.Serialization
{
	/// <summary>
	/// Summary description for XmlElementAttribute.
	/// </summary
	[AttributeUsage(AttributeTargets.Property | AttributeTargets.Field
		 | AttributeTargets.Parameter | AttributeTargets.ReturnValue, AllowMultiple=true)]
	public class XmlElementAttribute : Attribute
	{
		private string dataType;
		private string elementName;
		private XmlSchemaForm form;
		private string ns;
		private bool isNullable;
		private Type type;

		public XmlElementAttribute ()
		{	
		}
		public XmlElementAttribute (string elementName)
		{
			ElementName = elementName;
		}
		public XmlElementAttribute (Type type)
		{
			Type = type;
		}
		public XmlElementAttribute (string elementName, Type type)
		{
			ElementName = elementName;
			Type = type;
		}

		public string DataType {
			get {
				return dataType;
			}
			set {
				dataType = value;
			}
		}
		public string ElementName {
			get {
				return elementName;
			}
			set {
				elementName = value;
			}
		}
		public XmlSchemaForm Form {
			get {
				return form;
			}
			set {
				form = value;
			}
		}
		public string Namespace {
			get {
				return ns;
			}
			set {
				ns = value;
			}
		}
		public bool IsNullable {
			get {
				return isNullable;
			} 
			set {
				isNullable = value;
			}
		}
		public Type Type {
			get {
				return type;
			}
			set {
				type = value;
			}
		}
		
		internal void AddKeyHash (System.Text.StringBuilder sb)
		{
			sb.Append ("XEA ");
			KeyHelper.AddField (sb, 1, ns);
			KeyHelper.AddField (sb, 2, elementName);
			KeyHelper.AddField (sb, 3, form.ToString(), XmlSchemaForm.None.ToString());
			KeyHelper.AddField (sb, 4, dataType);
			KeyHelper.AddField (sb, 5, type);
			KeyHelper.AddField (sb, 6, isNullable);
			sb.Append ('|');
		}			
	}
}