--- /dev/null
+function jsonT(self, rules) {
+ var T = {
+ output: false,
+ init: function() {
+ for (var rule in rules)
+ if (rule.substr(0,4) != "self")
+ rules["self."+rule] = rules[rule];
+ return this;
+ },
+ apply: function(expr) {
+ var trf = function(s){ return s.replace(/{([A-Za-z0-9_\$\.\[\]\'@\(\)]+)}/g,
+ function($0,$1){return T.processArg($1, expr);})},
+ x = expr.replace(/\[[0-9]+\]/g, "[*]"), res;
+ if (x in rules) {
+ if (typeof(rules[x]) == "string")
+ res = trf(rules[x]);
+ else if (typeof(rules[x]) == "function")
+ res = trf(rules[x](eval(expr)).toString());
+ }
+ else
+ res = T.eval(expr);
+ return res;
+ },
+ processArg: function(arg, parentExpr) {
+ var expand = function(a,e){return (e=a.replace(/^\$/,e)).substr(0,4)!="self" ? ("self."+e) : e; },
+ res = "";
+ T.output = true;
+ if (arg.charAt(0) == "@")
+ res = eval(arg.replace(/@([A-za-z0-9_]+)\(([A-Za-z0-9_\$\.\[\]\']+)\)/,
+ function($0,$1,$2){return "rules['self."+$1+"']("+expand($2,parentExpr)+")";}));
+ else if (arg != "$")
+ res = T.apply(expand(arg, parentExpr));
+ else
+ res = T.eval(parentExpr);
+ T.output = false;
+ return res;
+ },
+ eval: function(expr) {
+ var v = eval(expr), res = "";
+ if (typeof(v) != "undefined") {
+ if (v instanceof Array) {
+ for (var i=0; i<v.length; i++)
+ if (typeof(v[i]) != "undefined")
+ res += T.apply(expr+"["+i+"]");
+ }
+ else if (typeof(v) == "object") {
+ for (var m in v)
+ if (typeof(v[m]) != "undefined")
+ res += T.apply(expr+"."+m);
+ }
+ else if (T.output)
+ res += v;
+ }
+ return res;
+ }
+ };
+ return T.init().apply("self");
+}