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Refactored some code that is used in two different dlls related to SOP rewriting. Also added some unit tests that relate to mantis #7514

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Diva Canto
2015-05-05 20:59:09 -07:00
parent 44b8b9fef6
commit 1abbad71b4
5 changed files with 323 additions and 210 deletions
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184
OpenSim/Framework/Serialization/External/ExternalRepresentationUtils.cs vendored
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@@ -125,7 +125,8 @@ namespace OpenSim.Framework.Serialization.External
/// <param name="userService">The service for retrieving user account information</param>
/// <param name="scopeID">The scope of the user account information (Grid ID)</param>
/// <returns>The SceneObjectPart represented in XML2</returns>
public static string RewriteSOP(string xml, string homeURL, IUserAccountService userService, UUID scopeID)
[Obsolete("This method is deprecated. Use RewriteSOP instead.")]
public static string RewriteSOP_Old(string xml, string homeURL, IUserAccountService userService, UUID scopeID)
{
if (xml == string.Empty || homeURL == string.Empty || userService == null)
return xml;
@@ -173,6 +174,187 @@ namespace OpenSim.Framework.Serialization.External
}
}
/// <summary>
/// Takes a XML representation of a SceneObjectPart and returns another XML representation
/// with creator data added to it.
/// </summary>
/// <param name="xml">The SceneObjectPart represented in XML2</param>
/// <param name="sceneName">An identifier for the component that's calling this function</param>
/// <param name="homeURL">The URL of the user agents service (home) for the creator</param>
/// <param name="userService">The service for retrieving user account information</param>
/// <param name="scopeID">The scope of the user account information (Grid ID)</param>
/// <returns>The SceneObjectPart represented in XML2</returns>
public static string RewriteSOP(string xmlData, string sceneName, string homeURL, IUserAccountService userService, UUID scopeID)
{
// Console.WriteLine("Input XML [{0}]", xmlData);
if (xmlData == string.Empty || homeURL == string.Empty || userService == null)
return xmlData;
using (StringWriter sw = new StringWriter())
using (XmlTextWriter writer = new XmlTextWriter(sw))
using (XmlTextReader wrappedReader = new XmlTextReader(xmlData, XmlNodeType.Element, null))
using (XmlReader reader = XmlReader.Create(wrappedReader, new XmlReaderSettings() { IgnoreWhitespace = true, ConformanceLevel = ConformanceLevel.Fragment }))
{
TransformXml(reader, writer, sceneName, homeURL, userService, scopeID);
// Console.WriteLine("Output: [{0}]", sw.ToString());
return sw.ToString();
}
}
protected static void TransformXml(XmlReader reader, XmlWriter writer, string sceneName, string homeURI, IUserAccountService userAccountService, UUID scopeID)
{
// m_log.DebugFormat("[HG ASSET MAPPER]: Transforming XML");
int sopDepth = -1;
UserAccount creator = null;
bool hasCreatorData = false;
while (reader.Read())
{
// Console.WriteLine("Depth: {0}, name {1}", reader.Depth, reader.Name);
switch (reader.NodeType)
{
case XmlNodeType.Attribute:
// Console.WriteLine("FOUND ATTRIBUTE {0}", reader.Name);
writer.WriteAttributeString(reader.Name, reader.Value);
break;
case XmlNodeType.CDATA:
writer.WriteCData(reader.Value);
break;
case XmlNodeType.Comment:
writer.WriteComment(reader.Value);
break;
case XmlNodeType.DocumentType:
writer.WriteDocType(reader.Name, reader.Value, null, null);
break;
case XmlNodeType.Element:
// m_log.DebugFormat("Depth {0} at element {1}", reader.Depth, reader.Name);
writer.WriteStartElement(reader.Prefix, reader.LocalName, reader.NamespaceURI);
if (reader.HasAttributes)
{
while (reader.MoveToNextAttribute())
writer.WriteAttributeString(reader.Name, reader.Value);
reader.MoveToElement();
}
if (reader.LocalName == "SceneObjectPart")
{
if (sopDepth < 0)
{
sopDepth = reader.Depth;
// m_log.DebugFormat("[HG ASSET MAPPER]: Set sopDepth to {0}", sopDepth);
}
}
else
{
if (sopDepth >= 0 && reader.Depth == sopDepth + 1)
{
if (reader.Name == "CreatorID")
{
reader.Read();
if (reader.NodeType == XmlNodeType.Element && reader.Name == "Guid" || reader.Name == "UUID")
{
reader.Read();
if (reader.NodeType == XmlNodeType.Text)
{
UUID uuid = UUID.Zero;
UUID.TryParse(reader.Value, out uuid);
creator = userAccountService.GetUserAccount(scopeID, uuid);
writer.WriteElementString("UUID", reader.Value);
reader.Read();
}
else
{
// If we unexpected run across mixed content in this node, still carry on
// transforming the subtree (this replicates earlier behaviour).
TransformXml(reader, writer, sceneName, homeURI, userAccountService, scopeID);
}
}
else
{
// If we unexpected run across mixed content in this node, still carry on
// transforming the subtree (this replicates earlier behaviour).
TransformXml(reader, writer, sceneName, homeURI, userAccountService, scopeID);
}
}
else if (reader.Name == "CreatorData")
{
reader.Read();
if (reader.NodeType == XmlNodeType.Text)
{
hasCreatorData = true;
writer.WriteString(reader.Value);
}
else
{
// If we unexpected run across mixed content in this node, still carry on
// transforming the subtree (this replicates earlier behaviour).
TransformXml(reader, writer, sceneName, homeURI, userAccountService, scopeID);
}
}
}
}
if (reader.IsEmptyElement)
{
// m_log.DebugFormat("[HG ASSET MAPPER]: Writing end for empty element {0}", reader.Name);
writer.WriteEndElement();
}
break;
case XmlNodeType.EndElement:
// m_log.DebugFormat("Depth {0} at EndElement", reader.Depth);
if (sopDepth == reader.Depth)
{
if (!hasCreatorData && creator != null)
writer.WriteElementString(reader.Prefix, "CreatorData", reader.NamespaceURI, string.Format("{0};{1} {2}", homeURI, creator.FirstName, creator.LastName));
// m_log.DebugFormat("[HG ASSET MAPPER]: Reset sopDepth");
sopDepth = -1;
creator = null;
hasCreatorData = false;
}
writer.WriteEndElement();
break;
case XmlNodeType.EntityReference:
writer.WriteEntityRef(reader.Name);
break;
case XmlNodeType.ProcessingInstruction:
writer.WriteProcessingInstruction(reader.Name, reader.Value);
break;
case XmlNodeType.Text:
writer.WriteString(reader.Value);
break;
case XmlNodeType.XmlDeclaration:
// For various reasons, not all serializations have xml declarations (or consistent ones)
// and as it's embedded inside a byte stream we don't need it anyway, so ignore.
break;
default:
m_log.WarnFormat(
"[HG ASSET MAPPER]: Unrecognized node {0} in asset XML transform in {1}",
reader.NodeType, sceneName);
break;
}
}
}
public static string CalcCreatorData(string homeURL, string name)
{
return homeURL + ";" + name;