5 files changed, 175 insertions, 15 deletions

diff --git a/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs b/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs
index cc7885a..d7907e3 100644
--- a/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs
+++ b/OpenSim/Region/Framework/Interfaces/IJsonStoreModule.cs
@@ -31,6 +31,16 @@ using OpenMetaverse;
 
 namespace OpenSim.Region.Framework.Interfaces
 {
+    // these could be expanded at some point to provide more type information
+    // for now value accounts for all base types
+    public enum JsonStoreNodeType
+    {
+        Undefined = 0,
+        Object = 1,
+        Array = 2,
+        Value = 3
+    }
+    
     public delegate void TakeValueCallback(string s);
 
     public interface IJsonStoreModule
@@ -38,13 +48,18 @@ namespace OpenSim.Region.Framework.Interfaces
         bool AttachObjectStore(UUID objectID);
         bool CreateStore(string value, ref UUID result);
         bool DestroyStore(UUID storeID);
+
+        JsonStoreNodeType PathType(UUID storeID, string path);
         bool TestStore(UUID storeID);
         bool TestPath(UUID storeID, string path, bool useJson);
+
         bool SetValue(UUID storeID, string path, string value, bool useJson);
         bool RemoveValue(UUID storeID, string path);
         bool GetValue(UUID storeID, string path, bool useJson, out string value);
 
         void TakeValue(UUID storeID, string path, bool useJson, TakeValueCallback cback);
         void ReadValue(UUID storeID, string path, bool useJson, TakeValueCallback cback);
+
+        int ArrayLength(UUID storeID, string path);
     }
 }
diff --git a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStore.cs b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStore.cs
index 3bad06c..ca3989a 100644
--- a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStore.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStore.cs
@@ -68,14 +68,11 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         protected List<TakeValueCallbackClass> m_TakeStore;
         protected List<TakeValueCallbackClass> m_ReadStore;
         
-        // add separators for quoted paths
-        protected static Regex m_ParsePassOne = new Regex("{[^}]+}");
-
-        // add separators for array references
-        protected static Regex m_ParsePassTwo = new Regex("(\\[[0-9]+\\]|\\[\\+\\])");
+        // add separators for quoted paths and array references
+        protected static Regex m_ParsePassOne = new Regex("({[^}]+}|\\[[0-9]+\\]|\\[\\+\\])");
 
         // add quotes to bare identifiers which are limited to alphabetic characters
-        protected static Regex m_ParsePassThree = new Regex("\\.([a-zA-Z]+)");
+        protected static Regex m_ParsePassThree = new Regex("(?<!{[^}]*)\\.([a-zA-Z]+)(?=\\.)");
 
         // remove extra separator characters
         protected static Regex m_ParsePassFour = new Regex("\\.+");
@@ -84,7 +81,7 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         protected static Regex m_ValidatePath = new Regex("^\\.(({[^}]+}|\\[[0-9]+\\]|\\[\\+\\])\\.)*$");
 
         // expression used to match path components
-        protected static Regex m_PathComponent = new Regex("\\.({[^}]+}|\\[[0-9]+\\]|\\[\\+\\]+)");
+        protected static Regex m_PathComponent = new Regex("\\.({[^}]+}|\\[[0-9]+\\]|\\[\\+\\])");
 
         // extract the internals of an array reference
         protected static Regex m_SimpleArrayPattern = new Regex("\\[([0-9]+)\\]");
@@ -148,6 +145,34 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// 
         /// </summary>
         // -----------------------------------------------------------------
+        public JsonStoreNodeType PathType(string expr)
+        {
+            Stack<string> path;
+            if (! ParsePathExpression(expr,out path))
+                return JsonStoreNodeType.Undefined;
+            
+            OSD result = ProcessPathExpression(ValueStore,path);
+
+            if (result == null)
+                return JsonStoreNodeType.Undefined;
+            
+            if (result is OSDMap)
+                return JsonStoreNodeType.Object;
+            
+            if (result is OSDArray)
+                return JsonStoreNodeType.Array;
+            
+            if (OSDBaseType(result.Type))
+                return JsonStoreNodeType.Value;
+            
+            return JsonStoreNodeType.Undefined;
+        }
+        
+        // -----------------------------------------------------------------
+        /// <summary>
+        /// 
+        /// </summary>
+        // -----------------------------------------------------------------
         public bool TestPath(string expr, bool useJson)
         {
             Stack<string> path;
@@ -170,6 +195,27 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// 
         /// </summary>
         // -----------------------------------------------------------------
+        public int ArrayLength(string expr)
+        {
+            Stack<string> path;
+            if (! ParsePathExpression(expr,out path))
+                return -1;
+
+            OSD result = ProcessPathExpression(ValueStore,path);
+            if (result != null && result.Type == OSDType.Array)
+            {
+                OSDArray arr = result as OSDArray;
+                return arr.Count;
+            }
+
+            return -1;
+        }
+
+        // -----------------------------------------------------------------
+        /// <summary>
+        /// 
+        /// </summary>
+        // -----------------------------------------------------------------
         public bool GetValue(string expr, out string value, bool useJson)
         {
             Stack<string> path;
@@ -465,11 +511,8 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
             // add front and rear separators
             expr = "." + expr + ".";
             
-            // add separators for quoted exprs
-            expr = m_ParsePassOne.Replace(expr,".$0.",-1,0);
-                
-            // add separators for array references
-            expr = m_ParsePassTwo.Replace(expr,".$0.",-1,0);
+            // add separators for quoted exprs and array references
+            expr = m_ParsePassOne.Replace(expr,".$1.",-1,0);
                 
             // add quotes to bare identifier
             expr = m_ParsePassThree.Replace(expr,".{$1}",-1,0);
diff --git a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs
index cc13661..eec86ef 100644
--- a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreModule.cs
@@ -270,6 +270,38 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// 
         /// </summary>
         // -----------------------------------------------------------------
+        public JsonStoreNodeType PathType(UUID storeID, string path)
+        {
+            if (! m_enabled) return JsonStoreNodeType.Undefined;
+
+            JsonStore map = null;
+            lock (m_JsonValueStore)
+            {
+                if (! m_JsonValueStore.TryGetValue(storeID,out map))
+                {
+                    m_log.InfoFormat("[JsonStore] Missing store {0}",storeID);
+                    return JsonStoreNodeType.Undefined;
+                }
+            }
+            
+            try
+            {
+                lock (map)
+                    return map.PathType(path);
+            }
+            catch (Exception e)
+            {
+                m_log.Error(string.Format("[JsonStore]: Path test failed for {0} in {1}", path, storeID), e);
+            }
+
+            return JsonStoreNodeType.Undefined;
+        }
+
+        // -----------------------------------------------------------------
+        /// <summary>
+        /// 
+        /// </summary>
+        // -----------------------------------------------------------------
         public bool TestPath(UUID storeID, string path, bool useJson)
         {
             if (! m_enabled) return false;
@@ -375,6 +407,37 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// 
         /// </summary>
         // -----------------------------------------------------------------
+        public int ArrayLength(UUID storeID, string path)
+        {
+            if (! m_enabled) return -1;
+
+            JsonStore map = null;
+            lock (m_JsonValueStore)
+            {
+                if (! m_JsonValueStore.TryGetValue(storeID,out map))
+                    return -1;
+            }
+
+            try
+            {
+                lock (map)
+                {
+                    return map.ArrayLength(path);
+                }
+            }
+            catch (Exception e)
+            {
+                m_log.Error("[JsonStore]: unable to retrieve value", e);
+            }
+            
+            return -1;
+        }
+
+        // -----------------------------------------------------------------
+        /// <summary>
+        /// 
+        /// </summary>
+        // -----------------------------------------------------------------
         public bool GetValue(UUID storeID, string path, bool useJson, out string value)
         {
             value = String.Empty;
diff --git a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs
index e436304..3955bff 100644
--- a/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs
+++ b/OpenSim/Region/OptionalModules/Scripting/JsonStore/JsonStoreScriptModule.cs
@@ -167,7 +167,8 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
                 try
                 {
                     m_comms.RegisterScriptInvocations(this);
-
+                    m_comms.RegisterConstants(this);
+        
                     // m_comms.RegisterScriptInvocation(this, "JsonCreateStore");
                     // m_comms.RegisterScriptInvocation(this, "JsonAttachObjectStore");
                     // m_comms.RegisterScriptInvocation(this, "JsonDestroyStore");
@@ -214,6 +215,22 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
 
 #endregion
 
+#region ScriptConstantInteface
+
+        [ScriptConstant]
+        public static readonly int JSONTYPEUNDEF = (int)JsonStoreNodeType.Undefined;
+
+        [ScriptConstant]
+        public static readonly int JSONTYPEOBJECT = (int)JsonStoreNodeType.Object;
+
+        [ScriptConstant]
+        public static readonly int JSONTYPEARRAY = (int)JsonStoreNodeType.Array;
+
+        [ScriptConstant]
+        public static readonly int JSONTYPEVALUE = (int)JsonStoreNodeType.Value;
+
+#endregion
+
 #region ScriptInvocationInteface
         // -----------------------------------------------------------------
         /// <summary>
@@ -319,6 +336,12 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// </summary>
         // -----------------------------------------------------------------
         [ScriptInvocation]
+        public int JsonPathType(UUID hostID, UUID scriptID, UUID storeID, string path)
+        {
+            return (int)m_store.PathType(storeID,path);
+        }
+
+        [ScriptInvocation]
         public int JsonTestPath(UUID hostID, UUID scriptID, UUID storeID, string path)
         {
             return m_store.TestPath(storeID,path,false) ? 1 : 0;
@@ -364,6 +387,17 @@ namespace OpenSim.Region.OptionalModules.Scripting.JsonStore
         /// </summary>
         // -----------------------------------------------------------------
         [ScriptInvocation]
+        public int JsonArrayLength(UUID hostID, UUID scriptID, UUID storeID, string path)
+        {
+            return m_store.ArrayLength(storeID,path);
+        }
+        
+        // -----------------------------------------------------------------
+        /// <summary>
+        /// 
+        /// </summary>
+        // -----------------------------------------------------------------
+        [ScriptInvocation]
         public string JsonGetValue(UUID hostID, UUID scriptID, UUID storeID, string path)
         {
             string value = String.Empty;
diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index f9ee590..4c6950d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -4888,6 +4888,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     }
                 }
             }
+
             if (pushAllowed)
             {
                 float distance = (PusheePos - m_host.AbsolutePosition).Length();
@@ -4917,17 +4918,21 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     applied_linear_impulse *= scaling_factor;
 
                 }
+
                 if (pusheeIsAvatar)
                 {
                     if (pusheeav != null)
                     {
-                        if (pusheeav.PhysicsActor != null)
+                        PhysicsActor pa = pusheeav.PhysicsActor;
+
+                        if (pa != null)
                         {
                             if (local != 0)
                             {
                                 applied_linear_impulse *= m_host.GetWorldRotation();
                             }
-                            pusheeav.PhysicsActor.AddForce(applied_linear_impulse, true);
+
+                            pa.AddForce(applied_linear_impulse, true);
                         }
                     }
                 }