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-rw-r--r--toolkit/jetpack/sdk/fs/path.js500
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diff --git a/toolkit/jetpack/sdk/fs/path.js b/toolkit/jetpack/sdk/fs/path.js
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+// 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.
+
+// Adapted version of:
+// https://github.com/joyent/node/blob/v0.11.3/lib/path.js
+
+// Shim process global from node.
+var process = Object.create(require('../system'));
+process.cwd = process.pathFor.bind(process, 'CurProcD');
+
+// Update original check in node `process.platform === 'win32'` since in SDK it's `winnt`.
+var isWindows = process.platform.indexOf('win') === 0;
+
+
+
+// resolves . and .. elements in a path array with directory names there
+// must be no slashes, empty elements, 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) {
+ // if the path tries to go above the root, `up` ends up > 0
+ var up = 0;
+ for (var i = parts.length - 1; i >= 0; i--) {
+ var last = parts[i];
+ if (last === '.') {
+ parts.splice(i, 1);
+ } else if (last === '..') {
+ parts.splice(i, 1);
+ up++;
+ } else if (up) {
+ parts.splice(i, 1);
+ up--;
+ }
+ }
+
+ // if the path is allowed to go above the root, restore leading ..s
+ if (allowAboveRoot) {
+ for (; up--; up) {
+ parts.unshift('..');
+ }
+ }
+
+ return parts;
+}
+
+
+if (isWindows) {
+ // Regex to split a windows path into three parts: [*, device, slash,
+ // tail] windows-only
+ var splitDeviceRe =
+ /^([a-zA-Z]:|[\\\/]{2}[^\\\/]+[\\\/]+[^\\\/]+)?([\\\/])?([\s\S]*?)$/;
+
+ // Regex to split the tail part of the above into [*, dir, basename, ext]
+ var splitTailRe =
+ /^([\s\S]*?)((?:\.{1,2}|[^\\\/]+?|)(\.[^.\/\\]*|))(?:[\\\/]*)$/;
+
+ // Function to split a filename into [root, dir, basename, ext]
+ // windows version
+ var splitPath = function(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)
+ // windows version
+ exports.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 (typeof path !== 'string') {
+ 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 = exports.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
+
+ function f(p) {
+ return !!p;
+ }
+
+ resolvedTail = normalizeArray(resolvedTail.split(/[\\\/]+/).filter(f),
+ !resolvedAbsolute).join('\\');
+
+ return (resolvedDevice + (resolvedAbsolute ? '\\' : '') + resolvedTail) ||
+ '.';
+ };
+
+ // windows version
+ exports.normalize = function(path) {
+ var result = splitDeviceRe.exec(path),
+ device = result[1] || '',
+ isUnc = device && device.charAt(1) !== ':',
+ isAbsolute = exports.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(/[\\\/]+/).filter(function(p) {
+ return !!p;
+ }), !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;
+ };
+
+ // windows version
+ exports.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;
+ };
+
+ // windows version
+ exports.join = function() {
+ function f(p) {
+ if (typeof p !== 'string') {
+ 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 exports.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'
+ // windows version
+ exports.relative = function(from, to) {
+ from = exports.resolve(from);
+ to = exports.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 - start + 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('\\');
+ };
+
+ exports.sep = '\\';
+ exports.delimiter = ';';
+
+} else /* posix */ {
+
+ // Split a filename into [root, dir, basename, ext], unix version
+ // 'root' is just a slash, or nothing.
+ var splitPathRe =
+ /^(\/?|)([\s\S]*?)((?:\.{1,2}|[^\/]+?|)(\.[^.\/]*|))(?:[\/]*)$/;
+ var splitPath = function(filename) {
+ return splitPathRe.exec(filename).slice(1);
+ };
+
+ // path.resolve([from ...], to)
+ // posix version
+ exports.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 (typeof path !== 'string') {
+ 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('/').filter(function(p) {
+ return !!p;
+ }), !resolvedAbsolute).join('/');
+
+ return ((resolvedAbsolute ? '/' : '') + resolvedPath) || '.';
+ };
+
+ // path.normalize(path)
+ // posix version
+ exports.normalize = function(path) {
+ var isAbsolute = exports.isAbsolute(path),
+ trailingSlash = path.substr(-1) === '/';
+
+ // Normalize the path
+ path = normalizeArray(path.split('/').filter(function(p) {
+ return !!p;
+ }), !isAbsolute).join('/');
+
+ if (!path && !isAbsolute) {
+ path = '.';
+ }
+ if (path && trailingSlash) {
+ path += '/';
+ }
+
+ return (isAbsolute ? '/' : '') + path;
+ };
+
+ // posix version
+ exports.isAbsolute = function(path) {
+ return path.charAt(0) === '/';
+ };
+
+ // posix version
+ exports.join = function() {
+ var paths = Array.prototype.slice.call(arguments, 0);
+ return exports.normalize(paths.filter(function(p, index) {
+ if (typeof p !== 'string') {
+ throw new TypeError('Arguments to path.join must be strings');
+ }
+ return p;
+ }).join('/'));
+ };
+
+
+ // path.relative(from, to)
+ // posix version
+ exports.relative = function(from, to) {
+ from = exports.resolve(from).substr(1);
+ to = exports.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 - start + 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('/');
+ };
+
+ exports.sep = '/';
+ exports.delimiter = ':';
+}
+
+exports.dirname = function(path) {
+ var result = splitPath(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;
+};
+
+
+exports.basename = function(path, ext) {
+ var f = splitPath(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;
+};
+
+
+exports.extname = function(path) {
+ return splitPath(path)[3];
+};
+
+if (isWindows) {
+ exports._makeLong = function(path) {
+ // Note: this will *probably* throw somewhere.
+ if (typeof path !== 'string')
+ return path;
+
+ if (!path) {
+ return '';
+ }
+
+ var resolvedPath = exports.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;
+ };
+} else {
+ exports._makeLong = function(path) {
+ return path;
+ };
+} \ No newline at end of file