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authorMW2007-07-22 11:44:36 +0000
committerMW2007-07-22 11:44:36 +0000
commit70fa30204272e874b8e3acccdc2e22cd4e42b2b2 (patch)
tree2f6c3c0f3b3bd60d5972f8dea6b3abeae4dc9065 /OpenSim/Framework/Communications/Capabilities/LLSDHelpers.cs
parent* Aerobic erosion now uses Navier Stokes algorithms for wind calculations. (diff)
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* Some work in progress code: Inventory cache, start of inventory server/service, userprofile cache, inventory handling. (non of it is enabled yet (or at least it shouldn't be).
* Fixed some of the problems with crossing regions when flying: you should no longer sink to ground level when crossing (should keep roughly your right height). Should no longer sometimes get sent back to the centre of the current region when attempting to border cross. But instead sometimes you will find you avatar stop at the edge of region and you will need to start moving again to retry the crossing (which should then work). This code is partly based on Babblefrog's issue #212 patch. [I think I have some ideas of how to solve the stopping at edges problem, just want to get the inventory code done first] * Capabilities code has now been moved to the OpenSim.Framework.Communications project as some of the caps code will be tightly tied to inventory/asset handling and it was causing a two way reference problem when it was in its own project/dll. This is a Big commit as I was going to keep my inventory work local until I had it in a working state, in case it brakes anything, but its getting harder to keep in sync with svn.
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1/*
2* Copyright (c) Contributors, http://www.openmetaverse.org/
3* See CONTRIBUTORS.TXT for a full list of copyright holders.
4*
5* Redistribution and use in source and binary forms, with or without
6* modification, are permitted provided that the following conditions are met:
7* * Redistributions of source code must retain the above copyright
8* notice, this list of conditions and the following disclaimer.
9* * Redistributions in binary form must reproduce the above copyright
10* notice, this list of conditions and the following disclaimer in the
11* documentation and/or other materials provided with the distribution.
12* * Neither the name of the OpenSim Project nor the
13* names of its contributors may be used to endorse or promote products
14* derived from this software without specific prior written permission.
15*
16* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS AND ANY
17* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26*
27*/
28using System;
29using System.Collections;
30using System.IO;
31using System.Reflection;
32using System.Xml;
33using libsecondlife;
34
35namespace OpenSim.Region.Capabilities
36{
37 public class LLSDHelpers
38 {
39 public static string SerialiseLLSDReply(object obj)
40 {
41 StringWriter sw = new StringWriter();
42 XmlTextWriter writer = new XmlTextWriter(sw);
43 writer.Formatting = Formatting.None;
44 writer.WriteStartElement(String.Empty, "llsd", String.Empty);
45 SerializeLLSDType(writer, obj);
46 writer.WriteEndElement();
47 writer.Close();
48 return sw.ToString();
49 }
50
51 public static void SerializeLLSDType(XmlTextWriter writer, object obj)
52 {
53 Type myType = obj.GetType();
54 LLSDType[] llsdattributes = (LLSDType[])myType.GetCustomAttributes(typeof(LLSDType), false);
55 if (llsdattributes.Length > 0)
56 {
57 switch (llsdattributes[0].ObjectType)
58 {
59 case "MAP":
60 writer.WriteStartElement(String.Empty, "map", String.Empty);
61 FieldInfo[] fields = myType.GetFields();
62 for (int i = 0; i < fields.Length; i++)
63 {
64 object fieldValue = fields[i].GetValue(obj);
65 LLSDType[] fieldAttributes = (LLSDType[])fieldValue.GetType().GetCustomAttributes(typeof(LLSDType), false);
66 if (fieldAttributes.Length > 0)
67 {
68 writer.WriteStartElement(String.Empty, "key", String.Empty);
69 writer.WriteString(fields[i].Name);
70 writer.WriteEndElement();
71 SerializeLLSDType(writer, fieldValue);
72 }
73 else
74 {
75 writer.WriteStartElement(String.Empty, "key", String.Empty);
76 writer.WriteString(fields[i].Name);
77 writer.WriteEndElement();
78 LLSD.LLSDWriteOne(writer, fieldValue);
79 }
80 }
81 writer.WriteEndElement();
82 break;
83 case "ARRAY":
84 // LLSDArray arrayObject = obj as LLSDArray;
85 // ArrayList a = arrayObject.Array;
86 ArrayList a = (ArrayList)obj.GetType().GetField("Array").GetValue(obj);
87 if (a != null)
88 {
89 writer.WriteStartElement(String.Empty, "array", String.Empty);
90 foreach (object item in a)
91 {
92 SerializeLLSDType(writer, item);
93 }
94 writer.WriteEndElement();
95 }
96 break;
97 }
98 }
99 else
100 {
101 LLSD.LLSDWriteOne(writer, obj);
102 }
103 }
104
105 public static object DeserialiseLLSDMap(Hashtable llsd, object obj)
106 {
107 Type myType = obj.GetType();
108 LLSDType[] llsdattributes = (LLSDType[])myType.GetCustomAttributes(typeof(LLSDType), false);
109 if (llsdattributes.Length > 0)
110 {
111 switch (llsdattributes[0].ObjectType)
112 {
113 case "MAP":
114 IDictionaryEnumerator enumerator = llsd.GetEnumerator();
115 while (enumerator.MoveNext())
116 {
117 FieldInfo field = myType.GetField((string)enumerator.Key);
118 if (field != null)
119 {
120 if (enumerator.Value is Hashtable)
121 {
122 object fieldValue = field.GetValue(obj);
123 DeserialiseLLSDMap((Hashtable) enumerator.Value, fieldValue);
124 }
125 else if (enumerator.Value is ArrayList)
126 {
127 object fieldValue = field.GetValue(obj);
128 fieldValue.GetType().GetField("Array").SetValue(fieldValue, enumerator.Value);
129 //TODO
130 // the LLSD map/array types in the array need to be deserialised
131 // but first we need to know the right class to deserialise them into.
132 }
133 else
134 {
135 field.SetValue(obj, enumerator.Value);
136 }
137 }
138 }
139 break;
140 }
141 }
142 return obj;
143 }
144 }
145
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164}
generated by cgit v1.1 at 2024-12-25 02:02:30 +0000