///////////////////////////////////////////////////////////////////////////
//  Copyright (C) Wizardry and Steamworks 2011 - License: GNU GPLv3      //
//  Please see: http://www.gnu.org/licenses/gpl.html for legal details,  //
//  rights of fair usage, the disclaimer and warranty conditions.        //
///////////////////////////////////////////////////////////////////////////
 
string wasStAX_SetNodeValue(string xmlStream, string node, string value) {
    list stream = llParseString2List(xmlStream, [""], ["<", ">", "/"]);
    integer size = llGetListLength(stream);
    list StAX = [];
    integer ptr = 0;
    integer set = 0;
    do {
        string current = llList2String(stream, ptr);
        string lookback = llList2String(stream, ptr-1);
 
        if(current != "/" && lookback == "<") {
            StAX += current;
            jump next_tag;
        }
        if(lookback == "/") {
            StAX = llDeleteSubList(StAX, -1, -1);
            jump next_tag;
        }
        if(current != ">" && current != "/" && current != "<") 
            if(llList2String(StAX,llGetListLength(StAX)-1) == node) {
                if(!set) {
                    stream = llListReplaceList(stream, (list)value, ptr, ptr);
                    set = 1;
                    jump next_tag;
                }
                stream = llListReplaceList(stream, (list)"", ptr, ptr);
            }
@next_tag;
    } while(++ptr<size);
 
    if(llGetListLength(StAX) != 0) {
        llSay(DEBUG_CHANNEL, "The following tags may be unmatched: " + llDumpList2String(StAX, ",") + ". Please check your file.");
    }
    return llDumpList2String(stream, "");
}