// Licensed to the Software Freedom Conservancy (SFC) under one

// or more contributor license agreements. See the NOTICE file

// distributed with this work for additional information

// regarding copyright ownership. The SFC licenses this file

// to you under the Apache License, Version 2.0 (the

// "License"); you may not use this file except in compliance

// with the License. You may obtain a copy of the License at

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing,

// software distributed under the License is distributed on an

// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY

// KIND, either express or implied. See the License for the

// specific language governing permissions and limitations

// under the License.

goog.provide('fxdriver.error');

/**

* Converts an Error object to a JSON object compatible with WebDriver's remote

* wire protocol.

*

* @param {Error} ex The thrown error to convert.

* @return {Object} The converted object.

*/

fxdriver.error.toJSON = function(ex) {

var stackFrames = [];

var json = {

'message': ex.message ? ex.message : ex.toString(),

'stackTrace': stackFrames

};

if (ex.stack) {

var stack = ex.stack.replace(/\s*$/, '').split('\n');

for (var frame = stack.shift(); frame; frame = stack.shift()) {

var methodName;

var fileName;

var lineNumber;

var columnNumber;

var match = frame.match(/(.*):(\d+):(\d+)$/);

if (match) {

frame = match[1];

lineNumber = Number(match[2]);

columnNumber = Number(match[3]);

} else {

match = frame.match(/(.*):(\d+)$/);

frame = match[1];

lineNumber = Number(match[2]);

}

match = frame.match(/^([\w./<$]+)?(?:\(.*\))?@(.+)?$/);

if (match) {

stackFrames.push({

'methodName': match[1],

'fileName': match[2],

'lineNumber': lineNumber,

'columnNumber': columnNumber

});

} else {

stackFrames.push({

'methodName': frame,

'fileName': "?",

'lineNumber': "?",

'columnNumber': "?"

});

}

}

}

if (ex['additionalFields'] && ex.additionalFields.length) {

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

json[ex.additionalFields[i]] = ex[ex.additionalFields[i]];

}

}

return json;

};