2011-09-08 20:55:50 +04:00
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/*jslint sloppy: true, nomen: true */
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/*global window:true,phantom:true,fs:true */
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/*
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This file is part of the PhantomJS project from Ofi Labs.
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Copyright (C) 2011 Ivan De Marino <ivan.de.marino@gmail.com>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the <organization> nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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function require (name) {
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var exports;
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if (name === 'fs') {
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exports = phantom.createFilesystem();
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// JavaScript "shim" to throw exceptions in case a critical operation fails.
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/** Open and return a "file" object.
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* It will throw exception if it fails.
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*
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* @param path Path of the file to open
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* @param mode Open Mode. A string made of 'r', 'w', 'a/+' characters.
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* @return "file" object
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*/
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exports.open = function (path, mode) {
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var file = exports._open(path, mode);
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if (file) {
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return file;
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}
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throw "Unable to open file '" + path + "'";
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};
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/** Open, read and return content of a file.
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* It will throw an exception if it fails.
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*
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* @param path Path of the file to read from
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* @return file content
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*/
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exports.read = function (path) {
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var f = fs.open(path, 'r'),
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content = f.read();
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f.close();
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return content;
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};
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/** Open and write content to a file
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* It will throw an exception if it fails.
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*
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* @param path Path of the file to read from
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* @param content Content to write to the file
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* @param mode Open Mode. A string made of 'w' or 'a / +' characters.
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*/
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exports.write = function (path, content, mode) {
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var f = fs.open(path, mode);
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f.write(content);
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f.close();
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};
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/** Return the size of a file, in bytes.
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* It will throw an exception if it fails.
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*
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* @param path Path of the file to read the size of
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* @return File size in bytes
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*/
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exports.size = function (path) {
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var size = fs._size(path);
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if (size !== -1) {
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return size;
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}
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throw "Unable to read file '" + path + "' size";
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};
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/** Copy a file.
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* It will throw an exception if it fails.
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*
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* @param source Path of the source file
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* @param destination Path of the destination file
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*/
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exports.copy = function (source, destination) {
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2011-09-09 00:25:44 +04:00
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if (!fs._copy(source, destination)) {
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throw "Unable to copy file '" + source + "' at '" + destination + "'";
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}
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2011-09-08 20:55:50 +04:00
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};
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/** Copy a directory tree.
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* It will throw an exception if it fails.
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*
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* @param source Path of the source directory tree
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* @param destination Path of the destination directory tree
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*/
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exports.copyTree = function (source, destination) {
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2011-09-09 00:25:44 +04:00
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if (!fs._copyTree(source, destination)) {
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throw "Unable to copy directory tree '" + source + "' at '" + destination + "'";
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}
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2011-09-08 20:55:50 +04:00
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};
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/** Move a file.
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* It will throw an exception if it fails.
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*
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* @param source Path of the source file
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* @param destination Path of the destination file
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*/
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exports.move = function (source, destination) {
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2011-09-09 00:25:44 +04:00
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fs.copy(source, destination);
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fs.remove(source);
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2011-09-08 20:55:50 +04:00
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};
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/** Removes a file.
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* It will throw an exception if it fails.
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*
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* @param path Path of the file to remove
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*/
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exports.remove = function (path) {
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2011-09-09 00:25:44 +04:00
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if (!fs._remove(path)) {
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throw "Unable to remove file '" + path + "'";
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}
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2011-09-08 20:55:50 +04:00
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};
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/** Removes a directory.
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* It will throw an exception if it fails.
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*
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* @param path Path of the directory to remove
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*/
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exports.removeDirectory = function (path) {
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2011-09-09 00:25:44 +04:00
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if (!fs._removeDirectory(path)) {
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throw "Unable to remove directory '" + path + "'";
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}
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2011-09-08 20:55:50 +04:00
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};
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/** Removes a directory tree.
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* It will throw an exception if it fails.
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*
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* @param path Path of the directory tree to remove
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*/
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exports.removeTree = function (path) {
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2011-09-09 00:25:44 +04:00
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if (!fs._removeTree(path)) {
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throw "Unable to remove directory tree '" + path + "'";
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}
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2011-09-08 20:55:50 +04:00
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};
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exports.touch = function (path) {
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2011-09-09 00:25:44 +04:00
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fs.write(path, "", 'a');
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2011-09-08 20:55:50 +04:00
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};
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}
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if (typeof exports === 'undefined') {
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throw 'Unknown module ' + name + ' for require()';
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}
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return exports;
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}
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