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//
// Node.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2016 jp
//
// 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;
using System.Reflection;
using System.Reflection.Emit;
using System.Collections.Generic;
namespace Crow.IML
{
/// <summary>
/// IML Node are defined with a type and the index in the parent,
/// </summary>
public struct Node
{
/// <summary> Current node type</summary>
public Type CrowType;
/// <summary> Index in parent, -1 for template</summary>
public int Index;
public Node (Type crowType, int _index = 0)
{
CrowType = crowType;
Index = _index;
}
public MethodInfo GetAddMethod(int childIdx){
if (typeof (Group).IsAssignableFrom (CrowType))
return CompilerServices.miAddChild;
if (typeof (Container).IsAssignableFrom (CrowType))
return CompilerServices.miSetChild;
if (typeof (TemplatedContainer).IsAssignableFrom (CrowType))
return childIdx < 0 ? CompilerServices.miLoadTmp : CompilerServices.piContent.GetSetMethod();
if (typeof (TemplatedGroup).IsAssignableFrom (CrowType))
return childIdx < 0 ? CompilerServices.miLoadTmp : CompilerServices.miAddItem;
if (typeof (TemplatedControl).IsAssignableFrom (CrowType))
return CompilerServices.miLoadTmp;
return null;
}
#region Equality Compare
public override bool Equals (object obj)
{
if (obj == null)
return false;
Node n = (Node)obj;
return CrowType == n.CrowType && Index == n.Index;
}
public override int GetHashCode ()
{
return CrowType.GetHashCode () ^ Index.GetHashCode ();
}
#endregion
public bool HasTemplate {
get { return typeof (TemplatedControl).IsAssignableFrom (CrowType);}
}
public static implicit operator string (Node sn)
{
return sn.ToString ();
}
public override string ToString ()
{
return string.Format ("{0}.{1}", CrowType.FullName, Index);
}
}
}
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