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-rw-r--r--contexts/data/lib/closure-library/closure/goog/string/path.js146
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diff --git a/contexts/data/lib/closure-library/closure/goog/string/path.js b/contexts/data/lib/closure-library/closure/goog/string/path.js
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--- a/contexts/data/lib/closure-library/closure/goog/string/path.js
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@@ -1,146 +0,0 @@
-// Copyright 2010 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed 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.
-
-/**
- * @fileoverview Utilities for dealing with POSIX path strings. Based on
- * Python's os.path and posixpath.
- * @author nnaze@google.com (Nathan Naze)
- */
-
-goog.provide('goog.string.path');
-
-goog.require('goog.array');
-goog.require('goog.string');
-
-
-/**
- * Returns the final component of a pathname.
- * See http://docs.python.org/library/os.path.html#os.path.basename
- * @param {string} path A pathname.
- * @return {string} path The final component of a pathname, i.e. everything
- * after the final slash.
- */
-goog.string.path.basename = function(path) {
- var i = path.lastIndexOf('/') + 1;
- return path.slice(i);
-};
-
-
-/**
- * Returns the directory component of a pathname.
- * See http://docs.python.org/library/os.path.html#os.path.dirname
- * @param {string} path A pathname.
- * @return {string} The directory component of a pathname, i.e. everything
- * leading up to the final slash.
- */
-goog.string.path.dirname = function(path) {
- var i = path.lastIndexOf('/') + 1;
- var head = path.slice(0, i);
- // If the path isn't all forward slashes, trim the trailing slashes.
- if (!/^\/+$/.test(head)) {
- head = head.replace(/\/+$/, '');
- }
- return head;
-};
-
-
-/**
- * Joins one or more path components (e.g. 'foo/' and 'bar' make 'foo/bar').
- * An absolute component will discard all previous component.
- * See http://docs.python.org/library/os.path.html#os.path.join
- * @param {...string} var_args One of more path components.
- * @return {string} The path components joined.
- */
-goog.string.path.join = function(var_args) {
- var path = arguments[0];
-
- for (var i = 1; i < arguments.length; i++) {
- var arg = arguments[i];
- if (goog.string.startsWith(arg, '/')) {
- path = arg;
- } else if (path == '' || goog.string.endsWith(arg, '/')) {
- path += arg;
- } else {
- path += '/' + arg;
- }
- }
-
- return path;
-};
-
-
-/**
- * Normalizes a pathname by collapsing duplicate separators, parent directory
- * references ('..'), and current directory references ('.').
- * See http://docs.python.org/library/os.path.html#os.path.normpath
- * @param {string} path One or more path components.
- * @return {string} The path after normalization.
- */
-goog.string.path.normalizePath = function(path) {
- if (path == '') {
- return '.';
- }
-
- var initialSlashes = '';
- // POSIX will keep two slashes, but three or more will be collapsed to one.
- if (goog.string.startsWith(path, '/')) {
- initialSlashes = '/';
- if (goog.string.startsWith(path, '//') &&
- !goog.string.startsWith(path, '///')) {
- initialSlashes = '//';
- }
- }
-
- var parts = path.split('/');
- var newParts = [];
-
- for (var i = 0; i < parts.length; i++) {
- var part = parts[i];
-
- // '' and '.' don't change the directory, ignore.
- if (part == '' || part == '.') {
- continue;
- }
-
- // A '..' should pop a directory unless this is not an absolute path and
- // we're at the root, or we've travelled upwards relatively in the last
- // iteration.
- if (part != '..' ||
- (!initialSlashes && !newParts.length) ||
- goog.array.peek(newParts) == '..') {
- newParts.push(part);
- } else {
- newParts.pop();
- }
- }
-
- var returnPath = initialSlashes + newParts.join('/');
- return returnPath || '.';
-};
-
-
-/**
- * Splits a pathname into "dirname" and "basename" components, where "basename"
- * is everything after the final slash. Either part may return an empty string.
- * See http://docs.python.org/library/os.path.html#os.path.split
- * @param {string} path A pathname.
- * @return {!Array.<string>} An array of [dirname, basename].
- */
-goog.string.path.split = function(path) {
- var head = goog.string.path.dirname(path);
- var tail = goog.string.path.basename(path);
- return [head, tail];
-};
-
-// TODO(nnaze): Implement other useful functions from os.path