| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from path_util import AssertIsValid |
| |
| |
| _EXTENSION_TYPES = {'extensions': 'extension', 'apps': 'platform_app'} |
| |
| |
| def GetPlatforms(): |
| return ('apps', 'extensions') |
| |
| |
| def GetExtensionTypes(): |
| return ('platform_app', 'extension') |
| |
| |
| def ExtractPlatformFromURL(url): |
| '''Returns 'apps' or 'extensions' depending on the URL. |
| ''' |
| AssertIsValid(url) |
| platform = url.split('/', 1)[0] |
| if platform not in GetPlatforms(): |
| return None |
| return platform |
| |
| |
| def PluralToSingular(platform): |
| '''Converts 'apps' to 'app' and 'extensions' to 'extension'. |
| ''' |
| assert platform in GetPlatforms(), platform |
| return platform[:-1] |
| |
| |
| def PlatformToExtensionType(platform): |
| assert platform in GetPlatforms(), platform |
| return _EXTENSION_TYPES[platform] |
