Clothe 'naked' values of an object by wrapping in " chars for postponed evaluation

ClothObjectValues.js

//clothe a hub file that has 'naked' expressions
//e.g. turn {key:$('body p')} into {key:"$('body p')"}
function clothe(contents){

    closers = /[\}\]\)\/"']/
    openers = /[\{\[\(\/"']/
    closing = {
        "{": "}",
        "[": "]",
        "(": ")",
        "/": "/",
        '"': '"',
        "'": "'"
    }

    contents = contents.split("");

    var beforeKey = true;
    var inKey = false;
    var beforeValue = false;
    var inValue = false;
    var inArray = false;
    var delimiterStack = [];

    function inDelimited(){
        return delimiterStack.length > 0;
    }

    function toggleDelimiter(d){
        if(openers.exec(d) && !closers.exec(d)){
            pushDelimiter(d);
        }else if(openers.exec(d) && closers.exec(d)){
            if(topDelimiter()){
                if(topDelimiter()==d){
                    popDelimiterIfValid(d);
                }else{
                    pushDelimiter(d);
                }
            }else{
                pushDelimiter(d);
            }
        }else if(closers.exec(d)){
            popDelimiterIfValid(d);
        }
    }

    function topDelimiter(){
        if(delimiterStack.length>=0){
            return delimiterStack[delimiterStack.length-1];
        }else{
            return undefined;
        }
    }

    function pushDelimiter(d){
        delimiterStack.push(d);
    }

    function popDelimiterIfValid(d){
        if(delimiterStack.length>0)
            if(closing[delimiterStack[delimiterStack.length-1]]==d)
                delimiterStack.pop(d);
    }

    function rTrimmedRightBound(rightBound){
        while(rightBound>0){
            if(!/\s/g.exec(contents[--rightBound])){
                return rightBound+1;
            }
        }
    }

    for(var i=0; i<contents.length; i++){

        function delimiterCheck(c){
            if(c=='"'){
                toggleDelimiter('"');
                contents.splice(i, 0, '\\');
                i++;
            }else if(openers.exec(c) || closers.exec(c)){
                toggleDelimiter(c)
            }
        }

        if(beforeKey){
            if(/[a-zA-Z0-9$_!]/.exec(contents[i])){
                beforeKey = false;
                inKey = true;
            }
        }else if(inKey){
            if(contents[i]==":"){
                inKey = false;
                beforeValue = true;
            }
        }else if(beforeValue){
            if(/[a-zA-Z0-9$_!'"\(\/]/.exec(contents[i])){
                contents.splice(i, 0, '"');
                i++;
                beforeValue = false;
                inValue = true;
                delimiterCheck(contents[i]);
            }else if(/\{/.exec(contents[i])){
                beforeKey = true;
                beforeValue = false;
            }else if(/\[/.exec(contents[i])){
                beforeValue = false;
                inArray = true;
            }
        }else if(inArray && !inValue){
            if(/[a-zA-Z0-9$_!'"\(\/]/.exec(contents[i])){
                contents.splice(i, 0, '"');
                i++;
                beforeValue = false;
                inValue = true;
                delimiterCheck(contents[i]);
            }
        }else if(inValue){
            if(!inDelimited() && /[\},\]]/.exec(contents[i])){
                contents.splice(rTrimmedRightBound(i), 0, '"');
                i++;
                inValue = false;
                if(/\]/.exec(contents[i])){
                    inArray = false;
                }
                beforeKey = !inArray;
            }else{
                delimiterCheck(contents[i]);
            }
        }
    }

    return contents.join("");
}