marja@chromium.org | 9158ee0 | 2012-06-14 23:22:07 +0900 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "base/guid.h" |
| 6 | |
benchan | 71c45e9 | 2014-09-05 14:08:32 +0900 | [diff] [blame] | 7 | #include "base/strings/string_util.h" |
| 8 | |
marja@chromium.org | 9158ee0 | 2012-06-14 23:22:07 +0900 | [diff] [blame] | 9 | namespace base { |
| 10 | |
| 11 | bool IsValidGUID(const std::string& guid) { |
| 12 | const size_t kGUIDLength = 36U; |
| 13 | if (guid.length() != kGUIDLength) |
| 14 | return false; |
| 15 | |
benchan | 71c45e9 | 2014-09-05 14:08:32 +0900 | [diff] [blame] | 16 | for (size_t i = 0; i < guid.length(); ++i) { |
marja@chromium.org | 9158ee0 | 2012-06-14 23:22:07 +0900 | [diff] [blame] | 17 | char current = guid[i]; |
| 18 | if (i == 8 || i == 13 || i == 18 || i == 23) { |
| 19 | if (current != '-') |
| 20 | return false; |
| 21 | } else { |
benchan | 71c45e9 | 2014-09-05 14:08:32 +0900 | [diff] [blame] | 22 | if (!IsHexDigit(current)) |
marja@chromium.org | 9158ee0 | 2012-06-14 23:22:07 +0900 | [diff] [blame] | 23 | return false; |
| 24 | } |
| 25 | } |
| 26 | |
| 27 | return true; |
| 28 | } |
| 29 | |
vabr@chromium.org | dd88808 | 2013-09-27 17:52:29 +0900 | [diff] [blame] | 30 | } // namespace base |