Merge branch 'master' of ssh://opensimulator.org/var/git/opensim
Dan Lake
commit
3c55d2e776
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@ -1552,209 +1552,83 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
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return m_ScriptEngine.World.GetSimulatorVersion();
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}
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private Hashtable osdToHashtable(OSDMap map)
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{
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Hashtable result = new Hashtable();
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foreach (KeyValuePair<string, OSD> item in map) {
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result.Add(item.Key, osdToObject(item.Value));
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}
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return result;
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}
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private ArrayList osdToArray(OSDArray list)
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{
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ArrayList result = new ArrayList();
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foreach ( OSD item in list ) {
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result.Add(osdToObject(item));
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}
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return result;
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}
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private Object osdToObject(OSD decoded)
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{
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if ( decoded is OSDString ) {
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return (string) decoded.AsString();
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} else if ( decoded is OSDInteger ) {
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return (int) decoded.AsInteger();
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} else if ( decoded is OSDReal ) {
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return (float) decoded.AsReal();
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} else if ( decoded is OSDBoolean ) {
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return (bool) decoded.AsBoolean();
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} else if ( decoded is OSDMap ) {
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return osdToHashtable((OSDMap) decoded);
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} else if ( decoded is OSDArray ) {
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return osdToArray((OSDArray) decoded);
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} else {
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return null;
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}
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}
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public Object osParseJSONNew(string JSON)
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{
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CheckThreatLevel(ThreatLevel.None, "osParseJSON");
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m_host.AddScriptLPS(1);
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try
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{
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OSD decoded = OSDParser.DeserializeJson(JSON);
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return osdToObject(decoded);
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}
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catch(Exception e)
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{
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OSSLError("osParseJSONNew: Problems decoding JSON string " + JSON + " : " + e.Message) ;
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return null;
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}
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}
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public Hashtable osParseJSON(string JSON)
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{
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CheckThreatLevel(ThreatLevel.None, "osParseJSON");
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m_host.AddScriptLPS(1);
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// see http://www.json.org/ for more details on JSON
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Object decoded = osParseJSONNew(JSON);
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string currentKey = null;
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Stack objectStack = new Stack(); // objects in JSON can be nested so we need to keep a track of this
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Hashtable jsondata = new Hashtable(); // the hashtable to be returned
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int i = 0;
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try
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{
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// iterate through the serialised stream of tokens and store at the right depth in the hashtable
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// the top level hashtable may contain more nested hashtables within it each containing an objects representation
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for (i = 0; i < JSON.Length; i++)
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{
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// m_log.Debug(""+JSON[i]);
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switch (JSON[i])
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{
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case '{':
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// create hashtable and add it to the stack or array if we are populating one, we can have a lot of nested objects in JSON
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Hashtable currentObject = new Hashtable();
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if (objectStack.Count == 0) // the stack should only be empty for the first outer object
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{
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objectStack.Push(jsondata);
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}
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else if (objectStack.Peek().ToString() == "System.Collections.ArrayList")
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{
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// add it to the parent array
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((ArrayList)objectStack.Peek()).Add(currentObject);
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objectStack.Push(currentObject);
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}
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else
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{
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// add it to the parent hashtable
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((Hashtable)objectStack.Peek()).Add(currentKey,currentObject);
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objectStack.Push(currentObject);
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}
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// clear the key
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currentKey = null;
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break;
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case '}':
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// pop the hashtable off the stack
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objectStack.Pop();
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break;
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case '"':// string boundary
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string tokenValue = "";
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i++; // move to next char
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// just loop through until the next quote mark storing the string, ignore quotes with pre-ceding \
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while (JSON[i] != '"')
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{
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tokenValue += JSON[i];
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// handle escaped double quotes \"
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if (JSON[i] == '\\' && JSON[i+1] == '"')
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{
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tokenValue += JSON[i+1];
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i++;
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}
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i++;
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}
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// ok we've got a string, if we've got an array on the top of the stack then we store it
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if (objectStack.Peek().ToString() == "System.Collections.ArrayList")
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{
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((ArrayList)objectStack.Peek()).Add(tokenValue);
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}
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else if (currentKey == null) // no key stored and its not an array this must be a key so store it
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{
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currentKey = tokenValue;
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}
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else
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{
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// we have a key so lets store this value
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((Hashtable)objectStack.Peek()).Add(currentKey,tokenValue);
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// now lets clear the key, we're done with it and moving on
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currentKey = null;
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}
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break;
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case ':':// key : value separator
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// just ignore
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break;
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case ' ':// spaces
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// just ignore
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break;
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case '[': // array start
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ArrayList currentArray = new ArrayList();
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if (objectStack.Peek().ToString() == "System.Collections.ArrayList")
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{
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((ArrayList)objectStack.Peek()).Add(currentArray);
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}
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else
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{
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((Hashtable)objectStack.Peek()).Add(currentKey,currentArray);
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// clear the key
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currentKey = null;
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}
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objectStack.Push(currentArray);
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break;
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case ',':// seperator
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// just ignore
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break;
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case ']'://Array end
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// pop the array off the stack
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objectStack.Pop();
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break;
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case 't': // we've found a character start not in quotes, it must be a boolean true
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if (objectStack.Peek().ToString() == "System.Collections.ArrayList")
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{
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((ArrayList)objectStack.Peek()).Add(true);
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}
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else
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{
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((Hashtable)objectStack.Peek()).Add(currentKey,true);
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currentKey = null;
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}
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//advance the counter to the letter 'e'
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i = i + 3;
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break;
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case 'f': // we've found a character start not in quotes, it must be a boolean false
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if (objectStack.Peek().ToString() == "System.Collections.ArrayList")
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{
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((ArrayList)objectStack.Peek()).Add(false);
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}
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else
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{
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((Hashtable)objectStack.Peek()).Add(currentKey,false);
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currentKey = null;
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}
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//advance the counter to the letter 'e'
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i = i + 4;
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break;
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case '\n':// carriage return
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// just ignore
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break;
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case '\r':// carriage return
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// just ignore
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break;
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default:
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// ok here we're catching all numeric types int,double,long we might want to spit these up mr accurately
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// but for now we'll just do them as strings
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string numberValue = "";
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// just loop through until the next known marker quote mark storing the string
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while (JSON[i] != '"' && JSON[i] != ',' && JSON[i] != ']' && JSON[i] != '}' && JSON[i] != ' ')
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{
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numberValue += "" + JSON[i++];
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}
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i--; // we want to process this caracter that marked the end of this string in the main loop
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// ok we've got a string, if we've got an array on the top of the stack then we store it
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if (objectStack.Peek().ToString() == "System.Collections.ArrayList")
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{
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((ArrayList)objectStack.Peek()).Add(numberValue);
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}
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else
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{
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// we have a key so lets store this value
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((Hashtable)objectStack.Peek()).Add(currentKey,numberValue);
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// now lets clear the key, we're done with it and moving on
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currentKey = null;
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}
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break;
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}
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if ( decoded is Hashtable ) {
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return (Hashtable) decoded;
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} else if ( decoded is ArrayList ) {
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ArrayList decoded_list = (ArrayList) decoded;
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Hashtable fakearray = new Hashtable();
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int i = 0;
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for ( i = 0; i < decoded_list.Count ; i++ ) {
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fakearray.Add(i, decoded_list[i]);
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}
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return fakearray;
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} else {
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OSSLError("osParseJSON: unable to parse JSON string " + JSON);
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return null;
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}
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catch(Exception)
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{
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OSSLError("osParseJSON: The JSON string is not valid " + JSON) ;
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}
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return jsondata;
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}
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/// <summary>
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@ -25,6 +25,7 @@
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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using System;
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using System.Collections;
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using OpenSim.Region.ScriptEngine.Interfaces;
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@ -140,6 +141,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api.Interfaces
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string osGetScriptEngineName();
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string osGetSimulatorVersion();
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Object osParseJSONNew(string JSON);
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Hashtable osParseJSON(string JSON);
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void osMessageObject(key objectUUID,string message);
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@ -397,6 +397,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.ScriptBase
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return m_OSSL_Functions.osParseJSON(JSON);
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}
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public Object osParseJSONNew(string JSON)
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{
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return m_OSSL_Functions.osParseJSONNew(JSON);
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}
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public void osMessageObject(key objectUUID,string message)
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{
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m_OSSL_Functions.osMessageObject(objectUUID,message);
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