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//
// IMLStream.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.IO;
using System.Reflection;
using System.Reflection.Emit;
using System.Threading;
using System.Xml.Serialization;
using System.Xml;
using System.Collections.Generic;
using System.Diagnostics;
namespace Crow
{
public class IMLStream : MemoryStream {
public string Path;
public Type RootType;
public IMLStream(string path) : base (){
Path = path;
using (Stream stream = Interface.GetStreamFromPath (path))
stream.CopyTo (this);
//RootType = Interface.GetTopContainerOfXMLStream (this);
}
public IMLStream(Byte[] b) : base (b){
//RootType = Interface.GetTopContainerOfXMLStream (this);
}
/// <summary>
/// Create a graphicObject instance from the this XML stream.
/// </summary>
public GraphicObject Instance {
get {
System.Globalization.CultureInfo savedCulture = Thread.CurrentThread.CurrentCulture;
Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
Seek (0, SeekOrigin.Begin);
GraphicObject tmp = null;//Interface.Load (this, this.RootType);
Thread.CurrentThread.CurrentCulture = savedCulture;
return tmp;
}
}
/// <summary>
/// Gets the xml source code as a string
/// </summary>
public string Source {
get {
Seek (0, SeekOrigin.Begin);
using (StreamReader sr = new StreamReader(this))
return sr.ReadToEnd();
}
}
}
public class ItemTemplate : IMLStream {
public EventHandler Expand;
public ItemTemplate(string path)
: base(path){}
public ItemTemplate(Byte[] b)
: base(b){}
public void CreateExpandDelegate (TemplatedControl host, string strDataType, string method){
Type dataType = Type.GetType(strDataType);
Type hostType = typeof(TemplatedControl);//not sure is the best place to put the dyn method
Type evtType = typeof(EventHandler);
Type listBoxType = typeof(ListBox);
MethodInfo evtInvoke = evtType.GetMethod ("Invoke");
ParameterInfo [] evtParams = evtInvoke.GetParameters ();
Type handlerArgsType = evtParams [1].ParameterType;
Type [] args = { typeof (object), typeof (object), handlerArgsType };
DynamicMethod dm = new DynamicMethod ("dyn_expand_" + method,
typeof (void),
args,
hostType);
#region IL generation
ILGenerator il = dm.GetILGenerator (256);
il.DeclareLocal(typeof(GraphicObject));
il.Emit (OpCodes.Ldarg_1);
MethodInfo miFindByName = typeof(GraphicObject).GetMethod("FindByName");
il.Emit(OpCodes.Ldstr, "List");
il.Emit (OpCodes.Callvirt, miFindByName);
il.Emit (OpCodes.Stloc_0);
FieldInfo fiTemplates = typeof(TemplatedControl).GetField("ItemTemplates");
il.Emit (OpCodes.Ldloc_0);
il.Emit (OpCodes.Ldarg_0);
il.Emit (OpCodes.Ldfld, fiTemplates);
il.Emit (OpCodes.Stfld, fiTemplates);
il.Emit (OpCodes.Ldloc_0);
il.Emit (OpCodes.Ldarg_1);
il.Emit (OpCodes.Callvirt, typeof(GraphicObject).GetProperty("DataSource").GetGetMethod ());
MethodInfo miGetDatas = dataType.GetMethod (method, new Type[] {});
il.Emit (OpCodes.Callvirt, miGetDatas);
il.Emit (OpCodes.Callvirt, listBoxType.GetProperty("Data").GetSetMethod ());
il.Emit (OpCodes.Ret);
#endregion
Expand = (EventHandler)dm.CreateDelegate (evtType, host);
}
}
}
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