From be41ba66700e46503001dfb4c2c87f9b2aad21c6 Mon Sep 17 00:00:00 2001
From: Melanie <melanie@t-data.com>
Date: Sun, 27 Dec 2009 21:46:16 +0000
Subject: [PATCH] Allow lists to be embedded in query strings

---
 OpenSim/Server/Base/ServerUtils.cs | 65 +++++++++++++++++++++++++-----
 1 file changed, 54 insertions(+), 11 deletions(-)

diff --git a/OpenSim/Server/Base/ServerUtils.cs b/OpenSim/Server/Base/ServerUtils.cs
index 413a078063..a5d28a413d 100644
--- a/OpenSim/Server/Base/ServerUtils.cs
+++ b/OpenSim/Server/Base/ServerUtils.cs
@@ -180,7 +180,31 @@ namespace OpenSim.Server.Base
                 if (elems.Length > 1)
                     value = System.Web.HttpUtility.UrlDecode(elems[1]);
 
-                result[name] = value;
+                if (name.EndsWith("[]"))
+                {
+                    if (result.ContainsKey(name))
+                    {
+                        if (!(result[name] is List<string>))
+                            continue;
+
+                        List<string> l = (List<string>)result[name];
+
+                        l.Add(value);
+                    }
+                    else
+                    {
+                        List<string> newList = new List<string>();
+
+                        newList.Add(value);
+
+                        result[name] = newList;
+                    }
+                }
+                else
+                {
+                    if (!result.ContainsKey(name))
+                        result[name] = value;
+                }
             }
 
             return result;
@@ -190,23 +214,42 @@ namespace OpenSim.Server.Base
         {
             string qstring = String.Empty;
 
+            string part;
+
             foreach (KeyValuePair<string, object> kvp in data)
             {
-                string part;
-                if (kvp.Value.ToString() != String.Empty)
+                if (kvp.Value is List<string>)
                 {
-                    part = System.Web.HttpUtility.UrlEncode(kvp.Key) +
-                            "=" + System.Web.HttpUtility.UrlEncode(kvp.Value.ToString());
+                    List<string> l = (List<String>)kvp.Value;
+
+                    foreach (string s in l)
+                    {
+                        part = System.Web.HttpUtility.UrlEncode(kvp.Key) +
+                                "[]=" + System.Web.HttpUtility.UrlEncode(s);
+
+                        if (qstring != String.Empty)
+                            qstring += "&";
+
+                        qstring += part;
+                    }
                 }
                 else
                 {
-                    part = System.Web.HttpUtility.UrlEncode(kvp.Key);
+                    if (kvp.Value.ToString() != String.Empty)
+                    {
+                        part = System.Web.HttpUtility.UrlEncode(kvp.Key) +
+                                "=" + System.Web.HttpUtility.UrlEncode(kvp.Value.ToString());
+                    }
+                    else
+                    {
+                        part = System.Web.HttpUtility.UrlEncode(kvp.Key);
+                    }
+
+                    if (qstring != String.Empty)
+                        qstring += "&";
+
+                    qstring += part;
                 }
-
-                if (qstring != String.Empty)
-                    qstring += "&";
-
-                qstring += part;
             }
 
             return qstring;