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