mirror of https://github.com/zulip/zulip.git
139 lines
4.7 KiB
JavaScript
139 lines
4.7 KiB
JavaScript
/*!
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* Casper is a navigation utility for PhantomJS.
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*
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* Documentation: http://casperjs.org/
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* Repository: http://github.com/n1k0/casperjs
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*
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* Copyright (c) 2011-2012 Nicolas Perriault
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*
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* Part of source code is Copyright Joyent, Inc. and other Node contributors.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*
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*/
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/*global CasperError console exports phantom require*/
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var system = require('system');
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var utils = require('utils');
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/**
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* Extracts, normalize ad organize PhantomJS CLI arguments in a dedicated
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* Object.
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*
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* @param array phantomArgs system.args value
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* @return Object
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*/
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exports.parse = function parse(phantomArgs) {
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"use strict";
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var extract = {
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args: [],
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options: {},
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raw: {
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args: [],
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options: {}
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},
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drop: function drop(what) {
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if (utils.isNumber(what)) {
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// deleting an arg by its position
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this.args = this.args.filter(function _filter(arg, index) {
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return index !== what;
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});
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} else if (utils.isString(what)) {
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// deleting an arg by its value
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this.args = this.args.filter(function _filter(arg) {
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return arg !== what;
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});
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// deleting an option by its name (key)
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var self = this;
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Object.keys(this.options).forEach(function _forEach(option) {
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if (option === what) {
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delete self.options[what];
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}
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});
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} else {
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throw new CasperError("cannot drop argument of type " + typeof what);
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}
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},
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has: function has(what) {
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if (utils.isNumber(what)) {
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return what in this.args;
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} else if (utils.isString(what)) {
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return what in this.options;
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} else {
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throw new CasperError("Unsupported cli arg tester " + typeof what);
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}
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},
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get: function get(what) {
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if (utils.isNumber(what)) {
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return this.args[what];
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} else if (utils.isString(what)) {
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return this.options[what];
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} else {
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throw new CasperError("Unsupported cli arg getter " + typeof what);
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}
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}
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};
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phantomArgs.forEach(function _forEach(arg) {
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if (arg.indexOf('--') === 0) {
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// named option
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var optionMatch = arg.match(/^--(.*?)=(.*)/i);
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if (optionMatch) {
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extract.options[optionMatch[1]] = castArgument(optionMatch[2]);
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extract.raw.options[optionMatch[1]] = optionMatch[2];
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} else {
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// flag
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var flagMatch = arg.match(/^--(.*)/);
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if (flagMatch) {
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extract.options[flagMatch[1]] = extract.raw.options[flagMatch[1]] = true;
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}
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}
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} else {
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// positional arg
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extract.args.push(castArgument(arg));
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extract.raw.args.push(castArgument(arg));
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}
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});
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extract.raw = utils.mergeObjects(extract.raw, {
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drop: extract.drop,
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has: extract.has,
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get: extract.get
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});
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return extract;
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};
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/**
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* Cast a string argument to its typed equivalent.
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*
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* @param String arg
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* @return Mixed
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*/
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function castArgument(arg) {
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"use strict";
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if (arg.match(/^-?\d+$/)) {
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return parseInt(arg, 10);
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} else if (arg.match(/^-?\d+\.\d+$/)) {
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return parseFloat(arg);
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} else if (arg.match(/^(true|false)$/i)) {
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return arg.trim().toLowerCase() === "true" ? true : false;
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} else {
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return arg;
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}
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}
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