xooki.json.serialize = function()

in xookiEdit.js [99:174]

• 60 lines of code
• 22 McCabe index (conditional complexity)

xooki.json.serialize = function (o, indent) {
        // borrowed and adapted from dojo
    	// summary:
    	//		Create a JSON serialization of the object.
    	// return:
    	//		a String representing the serialized version of the passed object
    	if (!indent) {
    	   indent = "";
        }
		var objtype = typeof(o);
		if(objtype == "undefined"){
			return "undefined";
		}else if((objtype == "number")||(objtype == "boolean")){
			return o + "";
		}else if(o === null){
			return "null";
		}
		if (objtype == "string") { return xooki.string.escapeString(o); }
		if(objtype == "function"){
		    // do not encode functions
			return null;
		}
		// recurse
		var me = arguments.callee;
		// short-circuit for objects that support "json" serialization
		// if they return "self" then just pass-through...
		var newObj;
		// array
		if(objtype != "function" && typeof(o.length) == "number"){
			var res = [];
			for(var i = 0; i < o.length; i++){
				var val = me(o[i], indent+"  ");
				
				if(typeof(val) != "string"){
					val = "undefined";
				}
				res.push(val);
			}
			return " [\n" + res.join(",\n") + "\n"+indent+"]\n";
		}
		// generic object code path
		res = [];
		for (var k in o){
		    if ("meta" == k) {
		      continue;
            }
            // let a chance to the object to define its transient keys, using a meta.isTransient function
            if (typeof o.meta != 'undefined' 
                && typeof o.meta.isTransient == 'function'
                && o.meta.isTransient(k)) {
                continue;
            }
			var useKey;
			if (typeof(k) == "number"){
				useKey = '"' + k + '"';
			}else if (typeof(k) == "string"){
				useKey = xooki.string.escapeString(k);
			}else{
				// skip non-string or number keys
				continue;
			}
            val = o[k];
            // let a chance to the object to define its serialized value
            if (typeof o.meta != 'undefined' 
                && typeof o.meta.getSerializeValue == 'function') {
                val = o.meta.getSerializeValue(o, k);
            }
			val = me(val, indent+"    ");
			if(typeof(val) != "string"){
				// skip non-serializable values
				continue;
			}
			res.push(indent+"  "+useKey + ":" + val);
		}
		return indent+"{\n" + res.join(",\n") + indent+"}";
};