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UltimateZoneBuilder/Source/Types/TypesManager.cs

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#region ================== Copyright (c) 2007 Pascal vd Heiden
/*
* Copyright (c) 2007 Pascal vd Heiden, www.codeimp.com
* This program is released under GNU General Public License
*
* 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.
*
*/
#endregion
#region ================== Namespaces
using System;
using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Text;
using CodeImp.DoomBuilder.IO;
using CodeImp.DoomBuilder.Data;
using System.IO;
using System.Diagnostics;
using CodeImp.DoomBuilder.Config;
#endregion
namespace CodeImp.DoomBuilder.Types
{
internal class TypesManager : IDisposable
{
#region ================== Constants
#endregion
#region ================== Variables
// List of handler types
private Dictionary<int, TypeHandlerAttribute> handlertypes;
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// Disposing
private bool isdisposed = false;
#endregion
#region ================== Properties
public bool IsDisposed { get { return isdisposed; } }
#endregion
#region ================== Constructor / Disposer
// Constructor
public TypesManager()
{
// Initialize
handlertypes = new Dictionary<int, TypeHandlerAttribute>();
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// Go for all types in this assembly
Type[] types = General.ThisAssembly.GetTypes();
foreach(Type tp in types)
{
// Check if this type is a class
if(tp.IsClass && !tp.IsAbstract && !tp.IsArray)
{
// Check if class has an TypeHandler attribute
if(Attribute.IsDefined(tp, typeof(TypeHandlerAttribute), false))
{
// Add the type to the list
object[] attribs = tp.GetCustomAttributes(typeof(TypeHandlerAttribute), false);
TypeHandlerAttribute attr = (attribs[0] as TypeHandlerAttribute);
attr.Type = tp;
handlertypes.Add(attr.Index, attr);
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}
}
}
// We have no destructor
GC.SuppressFinalize(this);
}
// Disposer
public void Dispose()
{
// Not already disposed?
if(!isdisposed)
{
// Clean up
handlertypes.Clear();
// Done
isdisposed = true;
}
}
#endregion
#region ================== Methods
// This returns the type handler for the given argument
public TypeHandler GetArgumentHandler(ArgumentInfo arginfo)
{
Type t = typeof(NullHandler);
TypeHandlerAttribute ta = null;
// Do we have a handler type for this?
if(handlertypes.ContainsKey(arginfo.Type))
{
ta = handlertypes[arginfo.Type];
t = ta.Type;
}
// Create instance
TypeHandler th = (TypeHandler)General.ThisAssembly.CreateInstance(t.FullName);
th.SetupArgument(ta, arginfo);
return th;
}
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// This returns the type handler for a custom universal field
public TypeHandler GetFieldHandler(int type, object defaultsetting)
{
Type t = typeof(NullHandler);
TypeHandlerAttribute ta = null;
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// Do we have a handler type for this?
if(handlertypes.ContainsKey(type))
{
ta = handlertypes[type];
t = ta.Type;
}
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// Create instance
TypeHandler th = (TypeHandler)General.ThisAssembly.CreateInstance(t.FullName);
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th.SetupField(ta, null);
th.SetValue(defaultsetting);
return th;
}
// This returns the type handler for a given universal field
public TypeHandler GetFieldHandler(UniversalFieldInfo fieldinfo)
{
Type t = typeof(NullHandler);
TypeHandlerAttribute ta = null;
// Do we have a handler type for this?
if(handlertypes.ContainsKey(fieldinfo.Type))
{
ta = handlertypes[fieldinfo.Type];
t = ta.Type;
}
// Create instance
TypeHandler th = (TypeHandler)General.ThisAssembly.CreateInstance(t.FullName);
th.SetupField(ta, fieldinfo);
th.SetValue(fieldinfo.Default);
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return th;
}
// This returns all custom attributes
public TypeHandlerAttribute[] GetCustomUseAttributes()
{
List<TypeHandlerAttribute> attribs = new List<TypeHandlerAttribute>();
foreach(KeyValuePair<int, TypeHandlerAttribute> ta in handlertypes)
if(ta.Value.IsCustomUsable) attribs.Add(ta.Value);
return attribs.ToArray();
}
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// This returns the attribute with the give name
public TypeHandlerAttribute GetNamedAttribute(string name)
{
foreach(KeyValuePair<int, TypeHandlerAttribute> ta in handlertypes)
{
if(ta.Value.Name == name) return ta.Value;
}
// Nothing found
return null;
}
// This returns the attribute with the give type
public TypeHandlerAttribute GetAttribute(int type)
{
// Do we have a handler type for this?
if(handlertypes.ContainsKey(type)) return handlertypes[type];
else return null;
}
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#endregion
}
}