/**
 * json-mask | (c) 2015 Yuriy Nemtsov | https://github.com/nemtsov/json-mask/blob/master/LICENSE
 * @license
 */
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.jsonMask=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var util=require("./util");var TERMINALS={",":1,"/":2,"(":3,")":4};module.exports=compile;function compile(text){if(!text)return null;return parse(scan(text))}function scan(text){var i=0;var len=text.length;var tokens=[];var name="";var ch;function maybePushName(){if(!name)return;tokens.push({tag:"_n",value:name});name=""}for(;i<len;i++){ch=text.charAt(i);if(TERMINALS[ch]){maybePushName();tokens.push({tag:ch})}else{name+=ch}}maybePushName();return tokens}function parse(tokens){return _buildTree(tokens,{},[])}function _buildTree(tokens,parent,stack){var props={};var token;var peek;while(token=tokens.shift()){if(token.tag==="_n"){token.type="object";token.properties=_buildTree(tokens,token,stack);peek=stack[stack.length-1];if(peek&&peek.tag==="/"){stack.pop();_addToken(token,props);return props}}else if(token.tag===","){return props}else if(token.tag==="("){stack.push(token);parent.type="array";continue}else if(token.tag===")"){stack.pop(token);return props}else if(token.tag==="/"){stack.push(token);continue}_addToken(token,props)}return props}function _addToken(token,props){props[token.value]={type:token.type};if(!util.isEmpty(token.properties)){props[token.value].properties=token.properties}}},{"./util":4}],2:[function(require,module,exports){var util=require("./util");module.exports=filter;function filter(obj,compiledMask){return util.isArray(obj)?_arrayProperties(obj,compiledMask):_properties(obj,compiledMask)}function _arrayProperties(arr,mask){var obj=_properties({_:arr},{_:{type:"array",properties:mask}});return obj&&obj._}function _properties(obj,mask){var maskedObj,key,value,ret,retKey,typeFunc;if(!obj||!mask)return obj;if(util.isArray(obj))maskedObj=[];else if(util.isObject(obj))maskedObj={};for(key in mask){if(!util.has(mask,key))continue;value=mask[key];ret=undefined;typeFunc=value.type==="object"?_object:_array;if(key==="*"){ret=_forAll(obj,value.properties,typeFunc);for(retKey in ret){if(!util.has(ret,retKey))continue;maskedObj[retKey]=ret[retKey]}}else{ret=typeFunc(obj,key,value.properties);if(typeof ret!=="undefined")maskedObj[key]=ret}}return maskedObj}function _forAll(obj,mask,fn){var ret={};var key;var value;for(key in obj){if(!util.has(obj,key))continue;value=fn(obj,key,mask);if(typeof value!=="undefined")ret[key]=value}return ret}function _object(obj,key,mask){var value=obj[key];if(util.isArray(value))return _array(obj,key,mask);return mask?_properties(value,mask):value}function _array(object,key,mask){var ret=[];var arr=object[key];var obj;var maskedObj;var i;var l;if(!util.isArray(arr))return _properties(arr,mask);if(util.isEmpty(arr))return arr;for(i=0,l=arr.length;i<l;i++){obj=arr[i];maskedObj=_properties(obj,mask);if(typeof maskedObj!=="undefined")ret.push(maskedObj)}return ret.length?ret:undefined}},{"./util":4}],3:[function(require,module,exports){var compile=require("./compiler");var filter=require("./filter");function mask(obj,mask){return filter(obj,compile(mask))||null}mask.compile=compile;mask.filter=filter;module.exports=mask},{"./compiler":1,"./filter":2}],4:[function(require,module,exports){var ObjProto=Object.prototype;exports.isEmpty=isEmpty;exports.isArray=Array.isArray||isArray;exports.isObject=isObject;exports.has=has;function isEmpty(obj){if(obj==null)return true;if(isArray(obj)||typeof obj==="string")return obj.length===0;for(var key in obj)if(has(obj,key))return false;return true}function isArray(obj){return ObjProto.toString.call(obj)==="[object Array]"}function isObject(obj){return typeof obj==="function"||typeof obj==="object"&&!!obj}function has(obj,key){return ObjProto.hasOwnProperty.call(obj,key)}},{}]},{},[3])(3)});