Use extra class for xml exception

Add handler class for xml errors
Fix testcases

VocaluxeLib/Xml/SFieldInfo.cs

@@ -0,0 +1,93 @@
+#region license
+// This file is part of Vocaluxe.
+// 
+// Vocaluxe 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.
+// 
+// Vocaluxe 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 Vocaluxe. If not, see <http://www.gnu.org/licenses/>.
+#endregion
+
+using System;
+using System.Reflection;
+
+namespace VocaluxeLib.Xml
+{
+    public struct SFieldInfo
+    {
+        private readonly FieldInfo _Field;
+        private readonly PropertyInfo _Property;
+
+        public Type Type
+        {
+            get { return _Field != null ? _Field.FieldType : _Property.PropertyType; }
+        }
+        public string Name;
+        public string AltName;
+        public object DefaultValue;
+        public bool HasDefaultValue;
+        public bool IsAttribute;
+        /// <summary>
+        ///     List with child elements (
+        ///     <List>
+        ///         <El /><El />
+        ///     </List>
+        ///     )
+        /// </summary>
+        public bool IsList;
+        /// <summary>
+        ///     List w/o child elements(<List /><List />)
+        /// </summary>
+        public bool IsEmbeddedList;
+        /// <summary>
+        ///     List where the element names are the keys
+        /// </summary>
+        public bool IsDictionary;
+        /// <summary>
+        ///     Byte arrays w/o XmlArrayAttribute are serialized as Base64-Encoded strings
+        /// </summary>
+        public bool IsByteArray;
+        public bool IsNullable;
+        public XmlRangedAttribute Ranged;
+        /// <summary>
+        ///     Type of subnodes (array/list elements or dictionary values)
+        /// </summary>
+        public Type SubType;
+        /// <summary>
+        ///     Name of the subnodes
+        /// </summary>
+        public string ArrayItemName;
+
+        public SFieldInfo(FieldInfo field)
+            : this()
+        {
+            _Field = field;
+        }
+
+        public SFieldInfo(PropertyInfo property)
+            : this()
+        {
+            _Property = property;
+        }
+
+        public void SetValue(object o, object value)
+        {
+            if (_Field != null)
+                _Field.SetValue(o, value);
+            else
+                _Property.SetValue(o, value, new object[] {});
+        }
+
+        public object GetValue(object o)
+        {
+            return (_Field != null) ? _Field.GetValue(o) : _Property.GetValue(o, new object[] {});
+        }
+    }
+}