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//
// System.Xml.Serialization.ReflectionHelper
//
// Author:
// Lluis Sanchez Gual (lluis@ximian.com)
//
// Copyright (C) 2003 Ximian, Inc.
//
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Reflection;
using System.Collections;
namespace System.Xml.Serialization
{
internal class ReflectionHelper
{
Hashtable _clrTypes = new Hashtable ();
Hashtable _schemaTypes = new Hashtable ();
public void RegisterSchemaType (XmlTypeMapping map, string xmlType, string ns)
{
string mapKey = xmlType + "/" + ns;
if (!_schemaTypes.ContainsKey (mapKey))
_schemaTypes.Add (mapKey, map);
}
public XmlTypeMapping GetRegisteredSchemaType (string xmlType, string ns)
{
string mapKey = xmlType + "/" + ns;
return _schemaTypes[mapKey] as XmlTypeMapping;
}
public void RegisterClrType (XmlTypeMapping map, Type type, string ns)
{
if (type == typeof(object)) ns = "";
string mapKey = type.FullName + "/" + ns;
if (!_clrTypes.ContainsKey (mapKey))
_clrTypes.Add (mapKey, map);
}
public XmlTypeMapping GetRegisteredClrType (Type type, string ns)
{
if (type == typeof(object)) ns = "";
string mapKey = type.FullName + "/" + ns;
return _clrTypes[mapKey] as XmlTypeMapping;
}
public Exception CreateError (XmlTypeMapping map, string message)
{
return new InvalidOperationException ("There was an error reflecting '" + map.TypeFullName + "': " + message);
}
public static void CheckSerializableType (Type type, bool allowPrivateConstructors)
{
if (type.IsArray) return;
if (!allowPrivateConstructors && type.GetConstructor (Type.EmptyTypes) == null && !type.IsAbstract && !type.IsValueType)
throw new InvalidOperationException (type.FullName + " cannot be serialized because it does not have a default public constructor");
if (type.IsInterface && !TypeTranslator.GetTypeData (type).IsListType)
throw new InvalidOperationException (type.FullName + " cannot be serialized because it is an interface");
Type t = type;
Type oldt = null;
do {
if (!t.IsPublic && !t.IsNestedPublic)
throw new InvalidOperationException (type.FullName + " is inaccessible due to its protection level. Only public types can be processed");
oldt = t;
t = t.DeclaringType;
}
while (t != null && t != oldt);
}
public static string BuildMapKey (Type type)
{
return type.FullName + "::";
}
public static string BuildMapKey (MethodInfo method, string tag)
{
string res = method.DeclaringType.FullName + ":" + method.ReturnType.FullName + " " + method.Name + "(";
ParameterInfo[] pars = method.GetParameters ();
for (int n=0; n<pars.Length; n++)
{
if (n > 0) res += ", ";
res += pars[n].ParameterType.FullName;
}
res += ")";
if (tag != null)
res += ":" + tag;
return res;
}
}
}
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