* Added JSON library to parse LLSD fields in the login reply

* Added fields in Avatar to hold the parsed data from login
* CoarseLocationUpdate packets handled internally
* Added Network.LoginValues hashtable, removed second parameter from .Login()
* Updated examples to reflect LoginValues / Login() change

git-svn-id: http://libopenmetaverse.googlecode.com/svn/trunk@39 52acb1d6-8a22-11de-b505-999d5b087335

libsecondlife-cs/JSONlib/JSONUtils.cs

@@ -0,0 +1,69 @@
+using System;
+using System.Text;
+
+namespace Nii.JSON
+{  
+  /// <summary>
+  ///  Public Domain 2002 JSON.org
+  ///  @author JSON.org
+  ///  @version 0.1
+  ///  Ported to C# by Are Bjolseth, teleplan.no
+  /// </summary>
+	public sealed class JSONUtils
+	{
+		/// <summary>
+		/// Produce a string in double quotes with backslash sequences in all the right places.
+		/// </summary>
+		/// <param name="s">A String</param>
+		/// <returns>A String correctly formatted for insertion in a JSON message.</returns>
+		public static string Enquote(string s) 
+		{
+			if (s == null || s.Length == 0) 
+			{
+				return "\"\"";
+			}
+			char         c;
+			int          i;
+			int          len = s.Length;
+			StringBuilder sb = new StringBuilder(len + 4);
+			string       t;
+
+			sb.Append('"');
+			for (i = 0; i < len; i += 1) 
+			{
+				c = s[i];
+				if ((c == '\\') || (c == '"') || (c == '>'))
+				{
+					sb.Append('\\');
+					sb.Append(c);
+				}
+				else if (c == '\b')
+					sb.Append("\\b");
+				else if (c == '\t')
+					sb.Append("\\t");
+				else if (c == '\n')
+					sb.Append("\\n");
+				else if (c == '\f')
+					sb.Append("\\f");
+				else if (c == '\r')
+					sb.Append("\\r");
+				else
+				{
+					if (c < ' ') 
+					{
+						//t = "000" + Integer.toHexString(c);
+						string tmp = new string(c,1);
+						t = "000" + int.Parse(tmp,System.Globalization.NumberStyles.HexNumber);
+						sb.Append("\\u" + t.Substring(t.Length - 4));
+					} 
+					else 
+					{
+						sb.Append(c);
+					}
+				}
+			}
+			sb.Append('"');
+			return sb.ToString();
+		}
+	}
+}