using System;
using System.Collections.Generic;
using System.Text;
using FormulaEditor.Interfaces;
namespace FormulaEditor
{
public class FieldSymbol : SimpleSymbol, IObjectOperation, IOperationAcceptor
{
static public readonly FieldSymbol Object = new FieldSymbol();
private IFieldSymbolFactory factory;
public FieldSymbol(FieldSymbol s)
: this(s.s)
{
}
public FieldSymbol(string name)
: base('f', (int)FormulaConstants.Field, true, name)
{
}
private FieldSymbol()
: base('f')
{
}
public IFieldSymbolFactory Factory
{
set
{
factory = value;
}
}
public override string ToString()
{
if (factory == null)
{
return base.ToString();
}
return factory.GetValue(this) + "";
}
public override object Clone()
{
return new FieldSymbol(s + "");
}
#region IObjectOperation Members
int IObjectOperation.Arity
{
get { return 0; }
}
object IObjectOperation.this[object[] x]
{
get
{
if (factory == null)
{
return this;
}
return factory.GetValue(this);
}
}
object IObjectOperation.ReturnType
{
get { return Object; }
}
bool IObjectOperation.IsPowered
{
get { return false; }
}
#endregion
#region IOperationAcceptor Members
IObjectOperation IOperationAcceptor.Accept(object type)
{
return this;
}
#endregion
}
}
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