Moved programs into the Programs folder
git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@1958 52acb1d6-8a22-11de-b505-999d5b087335
This commit is contained in:
John Hurliman
195
Programs/SLProxy/XmlRpcCS/XmlRpcDeserializer.cs
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195
Programs/SLProxy/XmlRpcCS/XmlRpcDeserializer.cs
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namespace Nwc.XmlRpc
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{
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using System;
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using System.Collections;
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using System.IO;
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using System.Xml;
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using System.Globalization;
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/// <summary>Parser context, we maintain contexts in a stack to avoiding recursion. </summary>
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struct Context
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{
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public String Name;
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public Object Container;
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}
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/// <summary>Basic XML-RPC data deserializer.</summary>
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/// <remarks>Uses <c>XmlTextReader</c> to parse the XML data. This level of the class
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/// only handles the tokens common to both Requests and Responses. This class is not useful in and of itself
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/// but is designed to be subclassed.</remarks>
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public class XmlRpcDeserializer : XmlRpcXmlTokens
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{
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private static DateTimeFormatInfo _dateFormat = new DateTimeFormatInfo();
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private Object _container;
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private Stack _containerStack;
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/// <summary>Protected reference to last text.</summary>
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protected String _text;
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/// <summary>Protected reference to last deserialized value.</summary>
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protected Object _value;
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/// <summary>Protected reference to last name field.</summary>
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protected String _name;
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/// <summary>Basic constructor.</summary>
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public XmlRpcDeserializer()
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{
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Reset();
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_dateFormat.FullDateTimePattern = ISO_DATETIME;
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}
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/// <summary>Static method that parses XML data into a response using the Singleton.</summary>
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/// <param name="xmlData"><c>StreamReader</c> containing an XML-RPC response.</param>
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/// <returns><c>Object</c> object resulting from the deserialization.</returns>
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virtual public Object Deserialize(TextReader xmlData)
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{
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return null;
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}
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/// <summary>Protected method to parse a node in an XML-RPC XML stream.</summary>
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/// <remarks>Method deals with elements common to all XML-RPC data, subclasses of
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/// this object deal with request/response spefic elements.</remarks>
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/// <param name="reader"><c>XmlTextReader</c> of the in progress parsing data stream.</param>
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protected void DeserializeNode(XmlTextReader reader)
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{
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switch (reader.NodeType)
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{
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case XmlNodeType.Element:
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if (Logger.Delegate != null)
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Logger.WriteEntry("START " + reader.Name, LogLevel.Information);
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switch (reader.Name)
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{
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case VALUE:
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_value = null;
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_text = null;
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break;
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case STRUCT:
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PushContext();
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_container = new Hashtable();
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break;
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case ARRAY:
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PushContext();
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_container = new ArrayList();
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break;
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}
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break;
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case XmlNodeType.EndElement:
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if (Logger.Delegate != null)
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Logger.WriteEntry("END " + reader.Name, LogLevel.Information);
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switch (reader.Name)
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{
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case BASE64:
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_value = Convert.FromBase64String(_text);
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break;
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case BOOLEAN:
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int val = Int16.Parse(_text);
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if (val == 0)
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_value = false;
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else if (val == 1)
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_value = true;
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break;
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case STRING:
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_value = _text;
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break;
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case DOUBLE:
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_value = Double.Parse(_text);
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break;
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case INT:
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case ALT_INT:
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_value = Int32.Parse(_text);
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break;
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case DATETIME:
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#if __MONO__
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_value = DateParse(_text);
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#else
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_value = DateTime.ParseExact(_text, "F", _dateFormat);
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#endif
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break;
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case NAME:
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_name = _text;
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break;
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case VALUE:
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if (_value == null)
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_value = _text; // some kits don't use <string> tag, they just do <value>
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if ((_container != null) && (_container is IList)) // in an array? If so add value to it.
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((IList)_container).Add(_value);
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break;
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case MEMBER:
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if ((_container != null) && (_container is IDictionary)) // in an struct? If so add value to it.
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((IDictionary)_container).Add(_name, _value);
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break;
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case ARRAY:
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case STRUCT:
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_value = _container;
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PopContext();
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break;
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}
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break;
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case XmlNodeType.Text:
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if (Logger.Delegate != null)
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Logger.WriteEntry("Text " + reader.Value, LogLevel.Information);
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_text = reader.Value;
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break;
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default:
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break;
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}
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}
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/// <summary>Static method that parses XML in a <c>String</c> into a
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/// request using the Singleton.</summary>
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/// <param name="xmlData"><c>String</c> containing an XML-RPC request.</param>
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/// <returns><c>XmlRpcRequest</c> object resulting from the parse.</returns>
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public Object Deserialize(String xmlData)
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{
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StringReader sr = new StringReader(xmlData);
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return Deserialize(sr);
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}
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/// <summary>Pop a Context of the stack, an Array or Struct has closed.</summary>
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private void PopContext()
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{
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Context c = (Context)_containerStack.Pop();
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_container = c.Container;
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_name = c.Name;
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}
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/// <summary>Push a Context on the stack, an Array or Struct has opened.</summary>
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private void PushContext()
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{
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Context context;
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context.Container = _container;
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context.Name = _name;
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_containerStack.Push(context);
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}
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/// <summary>Reset the internal state of the deserializer.</summary>
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protected void Reset()
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{
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_text = null;
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_value = null;
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_name = null;
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_container = null;
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_containerStack = new Stack();
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}
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#if __MONO__
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private DateTime DateParse(String str)
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{
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int year = Int32.Parse(str.Substring(0,4));
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int month = Int32.Parse(str.Substring(4,2));
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int day = Int32.Parse(str.Substring(6,2));
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int hour = Int32.Parse(str.Substring(9,2));
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int min = Int32.Parse(str.Substring(12,2));
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int sec = Int32.Parse(str.Substring(15,2));
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return new DateTime(year,month,day,hour,min,sec);
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}
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#endif
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}
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}
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