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paypalPayResponseParser.js
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var qs = require('querystring')
;
var arrayRegExp = /^(\w+)\((\d+)\)$/;
//========================================================
// parse
//========================================================
exports.parse = function(response) {
var result = {};
var pieces = response.toString().split("&");
for (var i =0; i < pieces.length; i++) {
result = this.parseItem(qs.unescape(pieces[i]), result);
};
return result;
}
//========================================================
// parseItem
//========================================================
exports.parseItem = function(item, result) {
var pair = item.split('=').map(function (str) { return str.replace(/"/g, ''); });
return this.setObjVal(result, pair[0].split('.'), pair[1]);
}
//========================================================
// setObjVal
//========================================================
exports.setObjVal = function(obj, paths, val) {
var path;
var arrayInfo;
if (paths.length === 0) {
return val;
}
obj = obj || {};
path = paths.shift();
arrayInfo = path.match(arrayRegExp);
if (arrayInfo) {
path = arrayInfo[1];
if (!Array.isArray(obj[path])) {
obj[path] = [];
}
obj[path][arrayInfo[2]] = this.setObjVal(obj[path][arrayInfo[2]], paths, val);
} else {
obj[path] = this.setObjVal(obj[path], paths, val);
}
return obj;
}