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//
// Interface.cs
//
// Author:
// Jean-Philippe Bruyère <jp.bruyere@hotmail.com>
//
// Copyright (c) 2015 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.Xml.Serialization;
using System.IO;
using System.Reflection;
using System.Diagnostics;
using System.Collections.Generic;
using System.Xml;
using System.Linq;
namespace go
{
public static class Interface
{
public static int TabSize = 4;
public static string LineBreak = "\r\n";
public static bool ReplaceTabsWithSpace = false;
public static bool DesignerMode = false;
/// <summary>
/// Graphic objects References use in dynamic delegates for binding
/// </summary>
public static List<object> References = new List<object>();
public static LayoutingQueue LayoutingQueue = new LayoutingQueue();
#region Load/Save
internal static Stack<List<DynAttribute>> GOMLResolutionStack = new Stack<List<DynAttribute>>();
internal static List<DynAttribute> GOMLResolver
{
get { return GOMLResolutionStack.Peek ();}
}
//internal static List<DynAttribute> Bindings;
public static void Save<T>(string file, T graphicObject)
{
XmlSerializerNamespaces xn = new XmlSerializerNamespaces();
xn.Add("", "");
XmlSerializer xs = new XmlSerializer(typeof(T));
xs = new XmlSerializer(typeof(T));
using (Stream s = new FileStream(file, FileMode.Create))
{
xs.Serialize(s, graphicObject, xn);
}
}
public static Stream GetStreamFromPath(string path)
{
Stream stream = null;
if (path.StartsWith ("#")) {
string resId = path.Substring (1);
stream = System.Reflection.Assembly.GetEntryAssembly().GetManifestResourceStream(resId);
if (stream == null)//try to find ressource in golib assembly
stream = System.Reflection.Assembly.GetExecutingAssembly().GetManifestResourceStream(resId);
if (stream == null)
return null;
} else {
if (!File.Exists (path))
return null;
stream = new FileStream (path, FileMode.Open);
}
return stream;
}
public static GraphicObject Load(string path, object hostClass = null)
{
string root = "Object";
Stream stream = GetStreamFromPath (path);
if (stream == null)
throw new FileNotFoundException ("GOML file not found", path);
using (XmlReader reader = XmlReader.Create (stream)) {
while (reader.Read()) {
// first element is the root element
if (reader.NodeType == XmlNodeType.Element) {
root = reader.Name;
break;
}
}
}
Type t = Type.GetType("go." + root);
//var go = Activator.CreateInstance(t);
stream.Seek(0,SeekOrigin.Begin);
GraphicObject tmp = Load(stream, t, hostClass);
stream.Dispose ();
return tmp;
}
public static void Load<T>(string file, out T result, object hostClass = null)
{
//result = (T)(Load (file, hostClass) as object);
GOMLResolutionStack.Push(new List<DynAttribute>());
XmlSerializerNamespaces xn = new XmlSerializerNamespaces();
xn.Add("", "");
XmlSerializer xs = new XmlSerializer(typeof(T));
using (Stream s = new FileStream(file, FileMode.Open))
{
result = (T)xs.Deserialize(s);
}
if (hostClass == null)
return;
resolveGOML (hostClass);
// while (Bindings.Count > 0) {
// DynAttribute binding = Bindings [0];
// Bindings.RemoveAt (0);
// CompilerServices.ResolveBinding (binding, hostClass);
// }
// foreach (DynAttribute binding in Bindings) {
//// Type tSource = binding.Source.GetType ();
//// if (!tSource.GetInterfaces ().Any (i => i.Name == "IValueChange")){
//// Debug.WriteLine ("Binding source does not implement IValueChange.");
//// continue;
//// }
// //MemberInfo mi = binding.Source.GetType ().GetMember (binding.MemberName);
// CompilerServices.CreateBinding (binding, hostClass);
// }
// Bindings.Clear ();
}
public static GraphicObject Load(Stream stream, Type type, object hostClass = null)
{
GraphicObject result;
GOMLResolutionStack.Push(new List<DynAttribute>());
XmlSerializerNamespaces xn = new XmlSerializerNamespaces();
xn.Add("", "");
XmlSerializer xs = new XmlSerializer(type);
result = (GraphicObject)xs.Deserialize(stream);
if (hostClass == null) {
GOMLResolutionStack.Pop ();
return result;
}
resolveGOML (hostClass);
// while (Bindings.Count > 0) {
// DynAttribute binding = Bindings [0];
// Bindings.RemoveAt (0);
// CompilerServices.ResolveBinding (binding, hostClass);
// }
// foreach (DynAttribute binding in Bindings) {
// // Type tSource = binding.Source.GetType ();
// // if (!tSource.GetInterfaces ().Any (i => i.Name == "IValueChange")){
// // Debug.WriteLine ("Binding source does not implement IValueChange.");
// // continue;
// // }
// //MemberInfo mi = binding.Source.GetType ().GetMember (binding.MemberName);
// CompilerServices.CreateBinding (binding, hostClass);
// }
// Bindings.Clear ();
return result;
}
static void resolveGOML(object hostClass)
{
foreach (DynAttribute es in GOMLResolver)
{
if (string.IsNullOrEmpty(es.Value))
continue;
Type dstType = es.Source.GetType ();
MemberInfo miTarget = dstType.GetMember (es.MemberName).FirstOrDefault();
if (miTarget == null) {
Debug.WriteLine ("'{0}' Member not found in '{1}' type.", es.MemberName, dstType.ToString ());
continue;
}
if (miTarget.MemberType == MemberTypes.Event) {
if (es.Value.StartsWith ("{")) {
CompilerServices.CompileEventSource (es);
} else {
MethodInfo mi = hostClass.GetType ().GetMethod (es.Value, BindingFlags.NonPublic | BindingFlags.Public
| BindingFlags.Instance);
if (mi == null) {
Debug.WriteLine ("Handler Method not found: " + es.Value);
continue;
}
EventInfo ei = es.Source.GetType ().GetEvent (es.MemberName);
MethodInfo addHandler = ei.GetAddMethod ();
Delegate del = Delegate.CreateDelegate (ei.EventHandlerType, hostClass, mi);
addHandler.Invoke(es.Source, new object[] {del});
}
} else {
CompilerServices.ResolveBinding (es, hostClass);
}
}
GOMLResolutionStack.Pop();
}
#endregion
}
}
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