48 lines
1.5 KiB
C#
48 lines
1.5 KiB
C#
//
|
|
// IcarusExpression.cs - the abstract base class from which all ICARUS expression implementations derive
|
|
//
|
|
// Author:
|
|
// Michael Becker <alcexhim@gmail.com>
|
|
//
|
|
// Copyright (c) 2011-2020 Mike Becker's Software
|
|
//
|
|
// This program is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
using System;
|
|
|
|
namespace UniversalEditor.ObjectModels.Icarus
|
|
{
|
|
/// <summary>
|
|
/// The abstract base class from which all ICARUS expression implementations derive.
|
|
/// </summary>
|
|
public abstract class IcarusExpression : ICloneable
|
|
{
|
|
public class IcarusExpressionCollection
|
|
: System.Collections.ObjectModel.Collection<IcarusExpression>
|
|
{
|
|
}
|
|
|
|
public abstract object Clone();
|
|
|
|
protected abstract bool GetValueInternal(ref object value);
|
|
public T GetValue<T>(T defaultValue = default(T))
|
|
{
|
|
object val = defaultValue;
|
|
bool ret = GetValueInternal(ref val);
|
|
if (ret) return (T)val;
|
|
return defaultValue;
|
|
}
|
|
}
|
|
}
|