node_modules/path-platform/path.js - cordova-js - Git at Google

 // Copyright Joyent, Inc. and other Node contributors.
 //
 // Permission is hereby granted, free of charge, to any person obtaining a
 // copy of this software and associated documentation files (the
 // "Software"), to deal in the Software without restriction, including
 // without limitation the rights to use, copy, modify, merge, publish,
 // distribute, sublicense, and/or sell copies of the Software, and to permit
 // persons to whom the Software is furnished to do so, subject to the
 // following conditions:
 //
 // The above copyright notice and this permission notice shall be included
 // in all copies or substantial portions of the Software.
 //
 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
 // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
 // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
 // USE OR OTHER DEALINGS IN THE SOFTWARE.


 var isWindows = process.platform === 'win32';
 var util = require('util');

 var _path = require('path');

 // we are new enough we already have this from the system, just export the
 // system then
 if (_path.posix) {
   module.exports = _path;
   return;
 }

 // resolves . and .. elements in a path array with directory names there
 // must be no slashes or device names (c:\) in the array
 // (so also no leading and trailing slashes - it does not distinguish
 // relative and absolute paths)
 function normalizeArray(parts, allowAboveRoot) {
   var res = [];
   for (var i = 0; i < parts.length; i++) {
     var p = parts[i];

     // ignore empty parts
     if (!p || p === '.')
       continue;

     if (p === '..') {
       if (res.length && res[res.length - 1] !== '..') {
         res.pop();
       } else if (allowAboveRoot) {
         res.push('..');
       }
     } else {
       res.push(p);
     }
   }

   return res;
 }

 // Regex to split a windows path into three parts: [*, device, slash,
 // tail] windows-only
 var splitDeviceRe =
     /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;

 // Regex to split the tail part of the above into [*, dir, basename, ext]
 var splitTailRe =
     /^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;

 var win32 = {};

 // Function to split a filename into [root, dir, basename, ext]
 function win32SplitPath(filename) {
   // Separate device+slash from tail
   var result = splitDeviceRe.exec(filename),
       device = (result[1] || '') + (result[2] || ''),
       tail = result[3] || '';
   // Split the tail into dir, basename and extension
   var result2 = splitTailRe.exec(tail),
       dir = result2[1],
       basename = result2[2],
       ext = result2[3];
   return [device, dir, basename, ext];
 }

 var normalizeUNCRoot = function(device) {
   return '\\\\' + device.replace(/^[\\\/]+/, '').replace(/[\\\/]+/g, '\\');
 };

 // path.resolve([from ...], to)
 win32.resolve = function() {
   var resolvedDevice = '',
       resolvedTail = '',
       resolvedAbsolute = false;

   for (var i = arguments.length - 1; i >= -1; i--) {
     var path;
     if (i >= 0) {
       path = arguments[i];
     } else if (!resolvedDevice) {
       path = process.cwd();
     } else {
       // Windows has the concept of drive-specific current working
       // directories. If we've resolved a drive letter but not yet an
       // absolute path, get cwd for that drive. We're sure the device is not
       // an unc path at this points, because unc paths are always absolute.
       path = process.env['=' + resolvedDevice];
       // Verify that a drive-local cwd was found and that it actually points
       // to our drive. If not, default to the drive's root.
       if (!path || path.substr(0, 3).toLowerCase() !==
           resolvedDevice.toLowerCase() + '\\') {
         path = resolvedDevice + '\\';
       }
     }

     // Skip empty and invalid entries
     if (!util.isString(path)) {
       throw new TypeError('Arguments to path.resolve must be strings');
     } else if (!path) {
       continue;
     }

     var result = splitDeviceRe.exec(path),
         device = result[1] || '',
         isUnc = device && device.charAt(1) !== ':',
         isAbsolute = win32.isAbsolute(path),
         tail = result[3];

     if (device &&
         resolvedDevice &&
         device.toLowerCase() !== resolvedDevice.toLowerCase()) {
       // This path points to another device so it is not applicable
       continue;
     }

     if (!resolvedDevice) {
       resolvedDevice = device;
     }
     if (!resolvedAbsolute) {
       resolvedTail = tail + '\\' + resolvedTail;
       resolvedAbsolute = isAbsolute;
     }

     if (resolvedDevice && resolvedAbsolute) {
       break;
     }
   }

   // Convert slashes to backslashes when `resolvedDevice` points to an UNC
   // root. Also squash multiple slashes into a single one where appropriate.
   if (isUnc) {
     resolvedDevice = normalizeUNCRoot(resolvedDevice);
   }

   // At this point the path should be resolved to a full absolute path,
   // but handle relative paths to be safe (might happen when process.cwd()
   // fails)

   // Normalize the tail path
   resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/),
                                 !resolvedAbsolute).join('\\');

   // If device is a drive letter, we'll normalize to lower case.
   if (resolvedDevice && resolvedDevice.charAt(1) === ':') {
     resolvedDevice = resolvedDevice[0].toLowerCase() +
         resolvedDevice.substr(1);
   }

   return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) ||
          '.';
 };


 win32.normalize = function(path) {
   var result = splitDeviceRe.exec(path),
       device = result[1] || '',
       isUnc = device && device.charAt(1) !== ':',
       isAbsolute = win32.isAbsolute(path),
       tail = result[3],
       trailingSlash = /[\\\/]$/.test(tail);

   // If device is a drive letter, we'll normalize to lower case.
   if (device && device.charAt(1) === ':') {
     device = device[0].toLowerCase() + device.substr(1);
   }

   // Normalize the tail path
   tail = normalizeArray(tail.split(/[\\\/]+/), !isAbsolute).join('\\');

   if (!tail && !isAbsolute) {
     tail = '.';
   }
   if (tail && trailingSlash) {
     tail += '\\';
   }

   // Convert slashes to backslashes when `device` points to an UNC root.
   // Also squash multiple slashes into a single one where appropriate.
   if (isUnc) {
     device = normalizeUNCRoot(device);
   }

   return device + (isAbsolute ? '\\' : '') + tail;
 };


 win32.isAbsolute = function(path) {
   var result = splitDeviceRe.exec(path),
       device = result[1] || '',
       isUnc = !!device && device.charAt(1) !== ':';
   // UNC paths are always absolute
   return !!result[2] || isUnc;
 };

 win32.join = function() {
   function f(p) {
     if (!util.isString(p)) {
       throw new TypeError('Arguments to path.join must be strings');
     }
     return p;
   }

   var paths = Array.prototype.filter.call(arguments, f);
   var joined = paths.join('\\');

   // Make sure that the joined path doesn't start with two slashes, because
   // normalize() will mistake it for an UNC path then.
   //
   // This step is skipped when it is very clear that the user actually
   // intended to point at an UNC path. This is assumed when the first
   // non-empty string arguments starts with exactly two slashes followed by
   // at least one more non-slash character.
   //
   // Note that for normalize() to treat a path as an UNC path it needs to
   // have at least 2 components, so we don't filter for that here.
   // This means that the user can use join to construct UNC paths from
   // a server name and a share name; for example:
   //   path.join('//server', 'share') -> '\\\\server\\share\')
   if (!/^[\\\/]{2}[^\\\/]/.test(paths[0])) {
     joined = joined.replace(/^[\\\/]{2,}/, '\\');
   }

   return win32.normalize(joined);
 };


 // path.relative(from, to)
 // it will solve the relative path from 'from' to 'to', for instance:
 // from = 'C:\\orandea\\test\\aaa'
 // to = 'C:\\orandea\\impl\\bbb'
 // The output of the function should be: '..\\..\\impl\\bbb'
 win32.relative = function(from, to) {
   from = win32.resolve(from);
   to = win32.resolve(to);

   // windows is not case sensitive
   var lowerFrom = from.toLowerCase();
   var lowerTo = to.toLowerCase();

   function trim(arr) {
     var start = 0;
     for (; start < arr.length; start++) {
       if (arr[start] !== '') break;
     }

     var end = arr.length - 1;
     for (; end >= 0; end--) {
       if (arr[end] !== '') break;
     }

     if (start > end) return [];
     return arr.slice(start, end + 1);
   }

   var toParts = trim(to.split('\\'));

   var lowerFromParts = trim(lowerFrom.split('\\'));
   var lowerToParts = trim(lowerTo.split('\\'));

   var length = Math.min(lowerFromParts.length, lowerToParts.length);
   var samePartsLength = length;
   for (var i = 0; i < length; i++) {
     if (lowerFromParts[i] !== lowerToParts[i]) {
       samePartsLength = i;
       break;
     }
   }

   if (samePartsLength == 0) {
     return to;
   }

   var outputParts = [];
   for (var i = samePartsLength; i < lowerFromParts.length; i++) {
     outputParts.push('..');
   }

   outputParts = outputParts.concat(toParts.slice(samePartsLength));

   return outputParts.join('\\');
 };


 win32._makeLong = function(path) {
   // Note: this will *probably* throw somewhere.
   if (!util.isString(path))
     return path;

   if (!path) {
     return '';
   }

   var resolvedPath = win32.resolve(path);

   if (/^[a-zA-Z]\:\\/.test(resolvedPath)) {
     // path is local filesystem path, which needs to be converted
     // to long UNC path.
     return '\\\\?\\' + resolvedPath;
   } else if (/^\\\\[^?.]/.test(resolvedPath)) {
     // path is network UNC path, which needs to be converted
     // to long UNC path.
     return '\\\\?\\UNC\\' + resolvedPath.substring(2);
   }

   return path;
 };


 win32.dirname = function(path) {
   var result = win32SplitPath(path),
       root = result[0],
       dir = result[1];

   if (!root && !dir) {
     // No dirname whatsoever
     return '.';
   }

   if (dir) {
     // It has a dirname, strip trailing slash
     dir = dir.substr(0, dir.length - 1);
   }

   return root + dir;
 };


 win32.basename = function(path, ext) {
   var f = win32SplitPath(path)[2];
   // TODO: make this comparison case-insensitive on windows?
   if (ext && f.substr(-1 * ext.length) === ext) {
     f = f.substr(0, f.length - ext.length);
   }
   return f;
 };


 win32.extname = function(path) {
   return win32SplitPath(path)[3];
 };


 win32.format = function(pathObject) {
   if (!util.isObject(pathObject)) {
     throw new TypeError(
         "Parameter 'pathObject' must be an object, not " + typeof pathObject
     );
   }

   var root = pathObject.root || '';

   if (!util.isString(root)) {
     throw new TypeError(
         "'pathObject.root' must be a string or undefined, not " +
         typeof pathObject.root
     );
   }

   var dir = pathObject.dir;
   var base = pathObject.base || '';
   if (dir.slice(dir.length - 1, dir.length) === win32.sep) {
     return dir + base;
   }

   if (dir) {
     return dir + win32.sep + base;
   }

   return base;
 };


 win32.parse = function(pathString) {
   if (!util.isString(pathString)) {
     throw new TypeError(
         "Parameter 'pathString' must be a string, not " + typeof pathString
     );
   }
   var allParts = win32SplitPath(pathString);
   if (!allParts || allParts.length !== 4) {
     throw new TypeError("Invalid path '" + pathString + "'");
   }
   return {
     root: allParts[0],
     dir: allParts[0] + allParts[1].slice(0, allParts[1].length - 1),
     base: allParts[2],
     ext: allParts[3],
     name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
   };
 };


 win32.sep = '\\';
 win32.delimiter = ';';


 // Split a filename into [root, dir, basename, ext], unix version
 // 'root' is just a slash, or nothing.
 var splitPathRe =
     /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
 var posix = {};


 function posixSplitPath(filename) {
   return splitPathRe.exec(filename).slice(1);
 }


 // path.resolve([from ...], to)
 // posix version
 posix.resolve = function() {
   var resolvedPath = '',
       resolvedAbsolute = false;

   for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
     var path = (i >= 0) ? arguments[i] : process.cwd();

     // Skip empty and invalid entries
     if (!util.isString(path)) {
       throw new TypeError('Arguments to path.resolve must be strings');
     } else if (!path) {
       continue;
     }

     resolvedPath = path + '/' + resolvedPath;
     resolvedAbsolute = path.charAt(0) === '/';
   }

   // At this point the path should be resolved to a full absolute path, but
   // handle relative paths to be safe (might happen when process.cwd() fails)

   // Normalize the path
   resolvedPath = normalizeArray(resolvedPath.split('/'),
                                 !resolvedAbsolute).join('/');

   return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
 };

 // path.normalize(path)
 // posix version
 posix.normalize = function(path) {
   var isAbsolute = posix.isAbsolute(path),
       trailingSlash = path.substr(-1) === '/';

   // Normalize the path
   path = normalizeArray(path.split('/'), !isAbsolute).join('/');

   if (!path && !isAbsolute) {
     path = '.';
   }
   if (path && trailingSlash) {
     path += '/';
   }

   return (isAbsolute ? '/' : '') + path;
 };

 // posix version
 posix.isAbsolute = function(path) {
   return path.charAt(0) === '/';
 };

 // posix version
 posix.join = function() {
   var path = '';
   for (var i = 0; i < arguments.length; i++) {
     var segment = arguments[i];
     if (!util.isString(segment)) {
       throw new TypeError('Arguments to path.join must be strings');
     }
     if (segment) {
       if (!path) {
         path += segment;
       } else {
         path += '/' + segment;
       }
     }
   }
   return posix.normalize(path);
 };


 // path.relative(from, to)
 // posix version
 posix.relative = function(from, to) {
   from = posix.resolve(from).substr(1);
   to = posix.resolve(to).substr(1);

   function trim(arr) {
     var start = 0;
     for (; start < arr.length; start++) {
       if (arr[start] !== '') break;
     }

     var end = arr.length - 1;
     for (; end >= 0; end--) {
       if (arr[end] !== '') break;
     }

     if (start > end) return [];
     return arr.slice(start, end + 1);
   }

   var fromParts = trim(from.split('/'));
   var toParts = trim(to.split('/'));

   var length = Math.min(fromParts.length, toParts.length);
   var samePartsLength = length;
   for (var i = 0; i < length; i++) {
     if (fromParts[i] !== toParts[i]) {
       samePartsLength = i;
       break;
     }
   }

   var outputParts = [];
   for (var i = samePartsLength; i < fromParts.length; i++) {
     outputParts.push('..');
   }

   outputParts = outputParts.concat(toParts.slice(samePartsLength));

   return outputParts.join('/');
 };


 posix._makeLong = function(path) {
   return path;
 };


 posix.dirname = function(path) {
   var result = posixSplitPath(path),
       root = result[0],
       dir = result[1];

   if (!root && !dir) {
     // No dirname whatsoever
     return '.';
   }

   if (dir) {
     // It has a dirname, strip trailing slash
     dir = dir.substr(0, dir.length - 1);
   }

   return root + dir;
 };


 posix.basename = function(path, ext) {
   var f = posixSplitPath(path)[2];
   // TODO: make this comparison case-insensitive on windows?
   if (ext && f.substr(-1 * ext.length) === ext) {
     f = f.substr(0, f.length - ext.length);
   }
   return f;
 };


 posix.extname = function(path) {
   return posixSplitPath(path)[3];
 };


 posix.format = function(pathObject) {
   if (!util.isObject(pathObject)) {
     throw new TypeError(
         "Parameter 'pathObject' must be an object, not " + typeof pathObject
     );
   }

   var root = pathObject.root || '';

   if (!util.isString(root)) {
     throw new TypeError(
         "'pathObject.root' must be a string or undefined, not " +
         typeof pathObject.root
     );
   }

   var dir = pathObject.dir ? pathObject.dir + posix.sep : '';
   var base = pathObject.base || '';
   return dir + base;
 };


 posix.parse = function(pathString) {
   if (!util.isString(pathString)) {
     throw new TypeError(
         "Parameter 'pathString' must be a string, not " + typeof pathString
     );
   }
   var allParts = posixSplitPath(pathString);
   if (!allParts || allParts.length !== 4) {
     throw new TypeError("Invalid path '" + pathString + "'");
   }
   allParts[1] = allParts[1] || '';
   allParts[2] = allParts[2] || '';
   allParts[3] = allParts[3] || '';

   return {
     root: allParts[0],
     dir: allParts[0] + allParts[1].slice(0, allParts[1].length - 1),
     base: allParts[2],
     ext: allParts[3],
     name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
   };
 };


 posix.sep = '/';
 posix.delimiter = ':';


 if (isWindows)
   module.exports = win32;
 else /* posix */
   module.exports = posix;

 module.exports.posix = posix;
 module.exports.win32 = win32;
	// Copyright Joyent, Inc. and other Node contributors.
	//
	// Permission is hereby granted, free of charge, to any person obtaining a
	// copy of this software and associated documentation files (the
	// "Software"), to deal in the Software without restriction, including
	// without limitation the rights to use, copy, modify, merge, publish,
	// distribute, sublicense, and/or sell copies of the Software, and to permit
	// persons to whom the Software is furnished to do so, subject to the
	// following conditions:
	//
	// The above copyright notice and this permission notice shall be included
	// in all copies or substantial portions of the Software.
	//
	// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
	// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
	// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
	// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	// USE OR OTHER DEALINGS IN THE SOFTWARE.


	var isWindows = process.platform === 'win32';
	var util = require('util');

	var _path = require('path');

	// we are new enough we already have this from the system, just export the
	// system then
	if (_path.posix) {
	module.exports = _path;
	return;
	}

	// resolves . and .. elements in a path array with directory names there
	// must be no slashes or device names (c:\) in the array
	// (so also no leading and trailing slashes - it does not distinguish
	// relative and absolute paths)
	function normalizeArray(parts, allowAboveRoot) {
	var res = [];
	for (var i = 0; i < parts.length; i++) {
	var p = parts[i];

	// ignore empty parts
	if (!p \|\| p === '.')
	continue;

	if (p === '..') {
	if (res.length && res[res.length - 1] !== '..') {
	res.pop();
	} else if (allowAboveRoot) {
	res.push('..');
	}
	} else {
	res.push(p);
	}
	}

	return res;
	}

	// Regex to split a windows path into three parts: [*, device, slash,
	// tail] windows-only
	var splitDeviceRe =
	/^([a-zA-Z]:\|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;

	// Regex to split the tail part of the above into [*, dir, basename, ext]
	var splitTailRe =
	/^([\s\S]?)((?:\.{1,2}\|[^\\\/]+?\|)(\.[^.\/\\]\|))(?:[\\\/]*)$/;

	var win32 = {};

	// Function to split a filename into [root, dir, basename, ext]
	function win32SplitPath(filename) {
	// Separate device+slash from tail
	var result = splitDeviceRe.exec(filename),
	device = (result[1] \|\| '') + (result[2] \|\| ''),
	tail = result[3] \|\| '';
	// Split the tail into dir, basename and extension
	var result2 = splitTailRe.exec(tail),
	dir = result2[1],
	basename = result2[2],
	ext = result2[3];
	return [device, dir, basename, ext];
	}

	var normalizeUNCRoot = function(device) {
	return '\\\\' + device.replace(/^[\\\/]+/, '').replace(/[\\\/]+/g, '\\');
	};

	// path.resolve([from ...], to)
	win32.resolve = function() {
	var resolvedDevice = '',
	resolvedTail = '',
	resolvedAbsolute = false;

	for (var i = arguments.length - 1; i >= -1; i--) {
	var path;
	if (i >= 0) {
	path = arguments[i];
	} else if (!resolvedDevice) {
	path = process.cwd();
	} else {
	// Windows has the concept of drive-specific current working
	// directories. If we've resolved a drive letter but not yet an
	// absolute path, get cwd for that drive. We're sure the device is not
	// an unc path at this points, because unc paths are always absolute.
	path = process.env['=' + resolvedDevice];
	// Verify that a drive-local cwd was found and that it actually points
	// to our drive. If not, default to the drive's root.
	if (!path \|\| path.substr(0, 3).toLowerCase() !==
	resolvedDevice.toLowerCase() + '\\') {
	path = resolvedDevice + '\\';
	}
	}

	// Skip empty and invalid entries
	if (!util.isString(path)) {
	throw new TypeError('Arguments to path.resolve must be strings');
	} else if (!path) {
	continue;
	}

	var result = splitDeviceRe.exec(path),
	device = result[1] \|\| '',
	isUnc = device && device.charAt(1) !== ':',
	isAbsolute = win32.isAbsolute(path),
	tail = result[3];

	if (device &&
	resolvedDevice &&
	device.toLowerCase() !== resolvedDevice.toLowerCase()) {
	// This path points to another device so it is not applicable
	continue;
	}

	if (!resolvedDevice) {
	resolvedDevice = device;
	}
	if (!resolvedAbsolute) {
	resolvedTail = tail + '\\' + resolvedTail;
	resolvedAbsolute = isAbsolute;
	}

	if (resolvedDevice && resolvedAbsolute) {
	break;
	}
	}

	// Convert slashes to backslashes when `resolvedDevice` points to an UNC
	// root. Also squash multiple slashes into a single one where appropriate.
	if (isUnc) {
	resolvedDevice = normalizeUNCRoot(resolvedDevice);
	}

	// At this point the path should be resolved to a full absolute path,
	// but handle relative paths to be safe (might happen when process.cwd()
	// fails)

	// Normalize the tail path
	resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/),
	!resolvedAbsolute).join('\\');

	// If device is a drive letter, we'll normalize to lower case.
	if (resolvedDevice && resolvedDevice.charAt(1) === ':') {
	resolvedDevice = resolvedDevice[0].toLowerCase() +
	resolvedDevice.substr(1);
	}

	return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) \|\|
	'.';
	};


	win32.normalize = function(path) {
	var result = splitDeviceRe.exec(path),
	device = result[1] \|\| '',
	isUnc = device && device.charAt(1) !== ':',
	isAbsolute = win32.isAbsolute(path),
	tail = result[3],
	trailingSlash = /[\\\/]$/.test(tail);

	// If device is a drive letter, we'll normalize to lower case.
	if (device && device.charAt(1) === ':') {
	device = device[0].toLowerCase() + device.substr(1);
	}

	// Normalize the tail path
	tail = normalizeArray(tail.split(/[\\\/]+/), !isAbsolute).join('\\');

	if (!tail && !isAbsolute) {
	tail = '.';
	}
	if (tail && trailingSlash) {
	tail += '\\';
	}

	// Convert slashes to backslashes when `device` points to an UNC root.
	// Also squash multiple slashes into a single one where appropriate.
	if (isUnc) {
	device = normalizeUNCRoot(device);
	}

	return device + (isAbsolute ? '\\' : '') + tail;
	};


	win32.isAbsolute = function(path) {
	var result = splitDeviceRe.exec(path),
	device = result[1] \|\| '',
	isUnc = !!device && device.charAt(1) !== ':';
	// UNC paths are always absolute
	return !!result[2] \|\| isUnc;
	};

	win32.join = function() {
	function f(p) {
	if (!util.isString(p)) {
	throw new TypeError('Arguments to path.join must be strings');
	}
	return p;
	}

	var paths = Array.prototype.filter.call(arguments, f);
	var joined = paths.join('\\');

	// Make sure that the joined path doesn't start with two slashes, because
	// normalize() will mistake it for an UNC path then.
	//
	// This step is skipped when it is very clear that the user actually
	// intended to point at an UNC path. This is assumed when the first
	// non-empty string arguments starts with exactly two slashes followed by
	// at least one more non-slash character.
	//
	// Note that for normalize() to treat a path as an UNC path it needs to
	// have at least 2 components, so we don't filter for that here.
	// This means that the user can use join to construct UNC paths from
	// a server name and a share name; for example:
	// path.join('//server', 'share') -> '\\\\server\\share\')
	if (!/^[\\\/]{2}[^\\\/]/.test(paths[0])) {
	joined = joined.replace(/^[\\\/]{2,}/, '\\');
	}

	return win32.normalize(joined);
	};


	// path.relative(from, to)
	// it will solve the relative path from 'from' to 'to', for instance:
	// from = 'C:\\orandea\\test\\aaa'
	// to = 'C:\\orandea\\impl\\bbb'
	// The output of the function should be: '..\\..\\impl\\bbb'
	win32.relative = function(from, to) {
	from = win32.resolve(from);
	to = win32.resolve(to);

	// windows is not case sensitive
	var lowerFrom = from.toLowerCase();
	var lowerTo = to.toLowerCase();

	function trim(arr) {
	var start = 0;
	for (; start < arr.length; start++) {
	if (arr[start] !== '') break;
	}

	var end = arr.length - 1;
	for (; end >= 0; end--) {
	if (arr[end] !== '') break;
	}

	if (start > end) return [];
	return arr.slice(start, end + 1);
	}

	var toParts = trim(to.split('\\'));

	var lowerFromParts = trim(lowerFrom.split('\\'));
	var lowerToParts = trim(lowerTo.split('\\'));

	var length = Math.min(lowerFromParts.length, lowerToParts.length);
	var samePartsLength = length;
	for (var i = 0; i < length; i++) {
	if (lowerFromParts[i] !== lowerToParts[i]) {
	samePartsLength = i;
	break;
	}
	}

	if (samePartsLength == 0) {
	return to;
	}

	var outputParts = [];
	for (var i = samePartsLength; i < lowerFromParts.length; i++) {
	outputParts.push('..');
	}

	outputParts = outputParts.concat(toParts.slice(samePartsLength));

	return outputParts.join('\\');
	};


	win32._makeLong = function(path) {
	// Note: this will probably throw somewhere.
	if (!util.isString(path))
	return path;

	if (!path) {
	return '';
	}

	var resolvedPath = win32.resolve(path);

	if (/^[a-zA-Z]\:\\/.test(resolvedPath)) {
	// path is local filesystem path, which needs to be converted
	// to long UNC path.
	return '\\\\?\\' + resolvedPath;
	} else if (/^\\\\[^?.]/.test(resolvedPath)) {
	// path is network UNC path, which needs to be converted
	// to long UNC path.
	return '\\\\?\\UNC\\' + resolvedPath.substring(2);
	}

	return path;
	};


	win32.dirname = function(path) {
	var result = win32SplitPath(path),
	root = result[0],
	dir = result[1];

	if (!root && !dir) {
	// No dirname whatsoever
	return '.';
	}

	if (dir) {
	// It has a dirname, strip trailing slash
	dir = dir.substr(0, dir.length - 1);
	}

	return root + dir;
	};


	win32.basename = function(path, ext) {
	var f = win32SplitPath(path)[2];
	// TODO: make this comparison case-insensitive on windows?
	if (ext && f.substr(-1 * ext.length) === ext) {
	f = f.substr(0, f.length - ext.length);
	}
	return f;
	};


	win32.extname = function(path) {
	return win32SplitPath(path)[3];
	};


	win32.format = function(pathObject) {
	if (!util.isObject(pathObject)) {
	throw new TypeError(
	"Parameter 'pathObject' must be an object, not " + typeof pathObject
	);
	}

	var root = pathObject.root \|\| '';

	if (!util.isString(root)) {
	throw new TypeError(
	"'pathObject.root' must be a string or undefined, not " +
	typeof pathObject.root
	);
	}

	var dir = pathObject.dir;
	var base = pathObject.base \|\| '';
	if (dir.slice(dir.length - 1, dir.length) === win32.sep) {
	return dir + base;
	}

	if (dir) {
	return dir + win32.sep + base;
	}

	return base;
	};


	win32.parse = function(pathString) {
	if (!util.isString(pathString)) {
	throw new TypeError(
	"Parameter 'pathString' must be a string, not " + typeof pathString
	);
	}
	var allParts = win32SplitPath(pathString);
	if (!allParts \|\| allParts.length !== 4) {
	throw new TypeError("Invalid path '" + pathString + "'");
	}
	return {
	root: allParts[0],
	dir: allParts[0] + allParts[1].slice(0, allParts[1].length - 1),
	base: allParts[2],
	ext: allParts[3],
	name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
	};
	};


	win32.sep = '\\';
	win32.delimiter = ';';


	// Split a filename into [root, dir, basename, ext], unix version
	// 'root' is just a slash, or nothing.
	var splitPathRe =
	/^(\/?\|)([\s\S]?)((?:\.{1,2}\|[^\/]+?\|)(\.[^.\/]\|))(?:[\/]*)$/;
	var posix = {};


	function posixSplitPath(filename) {
	return splitPathRe.exec(filename).slice(1);
	}


	// path.resolve([from ...], to)
	// posix version
	posix.resolve = function() {
	var resolvedPath = '',
	resolvedAbsolute = false;

	for (var i = arguments.length - 1; i >= -1 && !resolvedAbsolute; i--) {
	var path = (i >= 0) ? arguments[i] : process.cwd();

	// Skip empty and invalid entries
	if (!util.isString(path)) {
	throw new TypeError('Arguments to path.resolve must be strings');
	} else if (!path) {
	continue;
	}

	resolvedPath = path + '/' + resolvedPath;
	resolvedAbsolute = path.charAt(0) === '/';
	}

	// At this point the path should be resolved to a full absolute path, but
	// handle relative paths to be safe (might happen when process.cwd() fails)

	// Normalize the path
	resolvedPath = normalizeArray(resolvedPath.split('/'),
	!resolvedAbsolute).join('/');

	return ((resolvedAbsolute ? '/' : '') + resolvedPath) \|\| '.';
	};

	// path.normalize(path)
	// posix version
	posix.normalize = function(path) {
	var isAbsolute = posix.isAbsolute(path),
	trailingSlash = path.substr(-1) === '/';

	// Normalize the path
	path = normalizeArray(path.split('/'), !isAbsolute).join('/');

	if (!path && !isAbsolute) {
	path = '.';
	}
	if (path && trailingSlash) {
	path += '/';
	}

	return (isAbsolute ? '/' : '') + path;
	};

	// posix version
	posix.isAbsolute = function(path) {
	return path.charAt(0) === '/';
	};

	// posix version
	posix.join = function() {
	var path = '';
	for (var i = 0; i < arguments.length; i++) {
	var segment = arguments[i];
	if (!util.isString(segment)) {
	throw new TypeError('Arguments to path.join must be strings');
	}
	if (segment) {
	if (!path) {
	path += segment;
	} else {
	path += '/' + segment;
	}
	}
	}
	return posix.normalize(path);
	};


	// path.relative(from, to)
	// posix version
	posix.relative = function(from, to) {
	from = posix.resolve(from).substr(1);
	to = posix.resolve(to).substr(1);

	function trim(arr) {
	var start = 0;
	for (; start < arr.length; start++) {
	if (arr[start] !== '') break;
	}

	var end = arr.length - 1;
	for (; end >= 0; end--) {
	if (arr[end] !== '') break;
	}

	if (start > end) return [];
	return arr.slice(start, end + 1);
	}

	var fromParts = trim(from.split('/'));
	var toParts = trim(to.split('/'));

	var length = Math.min(fromParts.length, toParts.length);
	var samePartsLength = length;
	for (var i = 0; i < length; i++) {
	if (fromParts[i] !== toParts[i]) {
	samePartsLength = i;
	break;
	}
	}

	var outputParts = [];
	for (var i = samePartsLength; i < fromParts.length; i++) {
	outputParts.push('..');
	}

	outputParts = outputParts.concat(toParts.slice(samePartsLength));

	return outputParts.join('/');
	};


	posix._makeLong = function(path) {
	return path;
	};


	posix.dirname = function(path) {
	var result = posixSplitPath(path),
	root = result[0],
	dir = result[1];

	if (!root && !dir) {
	// No dirname whatsoever
	return '.';
	}

	if (dir) {
	// It has a dirname, strip trailing slash
	dir = dir.substr(0, dir.length - 1);
	}

	return root + dir;
	};


	posix.basename = function(path, ext) {
	var f = posixSplitPath(path)[2];
	// TODO: make this comparison case-insensitive on windows?
	if (ext && f.substr(-1 * ext.length) === ext) {
	f = f.substr(0, f.length - ext.length);
	}
	return f;
	};


	posix.extname = function(path) {
	return posixSplitPath(path)[3];
	};


	posix.format = function(pathObject) {
	if (!util.isObject(pathObject)) {
	throw new TypeError(
	"Parameter 'pathObject' must be an object, not " + typeof pathObject
	);
	}

	var root = pathObject.root \|\| '';

	if (!util.isString(root)) {
	throw new TypeError(
	"'pathObject.root' must be a string or undefined, not " +
	typeof pathObject.root
	);
	}

	var dir = pathObject.dir ? pathObject.dir + posix.sep : '';
	var base = pathObject.base \|\| '';
	return dir + base;
	};


	posix.parse = function(pathString) {
	if (!util.isString(pathString)) {
	throw new TypeError(
	"Parameter 'pathString' must be a string, not " + typeof pathString
	);
	}
	var allParts = posixSplitPath(pathString);
	if (!allParts \|\| allParts.length !== 4) {
	throw new TypeError("Invalid path '" + pathString + "'");
	}
	allParts[1] = allParts[1] \|\| '';
	allParts[2] = allParts[2] \|\| '';
	allParts[3] = allParts[3] \|\| '';

	return {
	root: allParts[0],
	dir: allParts[0] + allParts[1].slice(0, allParts[1].length - 1),
	base: allParts[2],
	ext: allParts[3],
	name: allParts[2].slice(0, allParts[2].length - allParts[3].length)
	};
	};


	posix.sep = '/';
	posix.delimiter = ':';


	if (isWindows)
	module.exports = win32;
	else /* posix */
	module.exports = posix;

	module.exports.posix = posix;
	module.exports.win32 = win32;