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using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.IO;
using System.Xml;
using libsecondlife;
namespace OpenSim.Framework
{
public class LLSDHelpers
{
public static string SerialiseLLSDReply(object obj)
{
StringWriter sw = new StringWriter();
XmlTextWriter writer = new XmlTextWriter(sw);
writer.Formatting = Formatting.None;
writer.WriteStartElement(String.Empty, "llsd", String.Empty);
LLSDHelpers.SerializeLLSDType(writer, obj);
writer.WriteEndElement();
writer.Close();
return sw.ToString();
}
public static void SerializeLLSDType(XmlTextWriter writer, object obj)
{
Type myType = obj.GetType();
LLSDType[] llsdattributes = (LLSDType[])myType.GetCustomAttributes(typeof(LLSDType), false);
if (llsdattributes.Length > 0)
{
switch (llsdattributes[0].ObjectType)
{
case "MAP":
writer.WriteStartElement(String.Empty, "map", String.Empty);
System.Reflection.FieldInfo[] fields = myType.GetFields();
for (int i = 0; i < fields.Length; i++)
{
object fieldValue = fields[i].GetValue(obj);
LLSDType[] fieldAttributes = (LLSDType[])fieldValue.GetType().GetCustomAttributes(typeof(LLSDType), false);
if (fieldAttributes.Length > 0)
{
writer.WriteStartElement(String.Empty, "key", String.Empty);
writer.WriteString(fields[i].Name);
writer.WriteEndElement();
SerializeLLSDType(writer, fieldValue);
}
else
{
//Console.WriteLine("LLSD field name" + fields[i].Name + " , " + fields[i].GetValue(obj).GetType());
writer.WriteStartElement(String.Empty, "key", String.Empty);
writer.WriteString(fields[i].Name);
writer.WriteEndElement();
LLSD.LLSDWriteOne(writer, fieldValue);
}
}
writer.WriteEndElement();
break;
case "ARRAY":
// LLSDArray arrayObject = obj as LLSDArray;
// ArrayList a = arrayObject.Array;
ArrayList a = (ArrayList)obj.GetType().GetField("Array").GetValue(obj);
writer.WriteStartElement(String.Empty, "array", String.Empty);
foreach (object item in a)
{
SerializeLLSDType(writer, item);
}
writer.WriteEndElement();
break;
}
}
else
{
LLSD.LLSDWriteOne(writer, obj);
}
}
public static object DeserialiseLLSDMap(Hashtable llsd, object obj)
{
Type myType = obj.GetType();
LLSDType[] llsdattributes = (LLSDType[])myType.GetCustomAttributes(typeof(LLSDType), false);
if (llsdattributes.Length > 0)
{
switch (llsdattributes[0].ObjectType)
{
case "MAP":
IDictionaryEnumerator enumerator = llsd.GetEnumerator();
while (enumerator.MoveNext())
{
System.Reflection.FieldInfo field = myType.GetField((string)enumerator.Key);
if (field != null)
{
field.SetValue(obj, enumerator.Value);
}
}
break;
}
}
return obj;
}
}
[LLSDType("MAP")]
public class LLSDMapLayer
{
public int Left = 0;
public int Right = 0;
public int Top = 0;
public int Bottom = 0;
public LLUUID ImageID = LLUUID.Zero;
public LLSDArray TestArray = new LLSDArray();
public LLSDMapLayer()
{
}
}
[LLSDType("ARRAY")]
public class LLSDArray
{
public ArrayList Array = new ArrayList();
public LLSDArray()
{
}
}
[LLSDType("MAP")]
public class LLSDMapRequest
{
public int Flags = 0;
public LLSDMapRequest()
{
}
}
[LLSDType("MAP")]
public class LLSDTest
{
public int Test1 = 20;
public int Test2 = 10;
public LLSDTest()
{
}
}
[AttributeUsage(AttributeTargets.Class)]
public class LLSDType : Attribute
{
private string myHandler;
public LLSDType(string type)
{
myHandler = type;
}
public string ObjectType
{
get
{
return myHandler;
}
}
}
}
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