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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/guid.h" | 5 #include "base/guid.h" |
6 | 6 |
7 #include "base/rand_util.h" | 7 #include "base/rand_util.h" |
8 #include "base/stringprintf.h" | 8 #include "base/stringprintf.h" |
9 | 9 |
10 namespace guid { | 10 namespace base { |
11 | 11 |
12 bool IsValidGUID(const std::string& guid) { | 12 bool IsValidGUID(const std::string& guid) { |
13 const size_t kGUIDLength = 36U; | 13 const size_t kGUIDLength = 36U; |
14 if (guid.length() != kGUIDLength) | 14 if (guid.length() != kGUIDLength) |
15 return false; | 15 return false; |
16 | 16 |
17 std::string hexchars = "0123456789ABCDEF"; | 17 std::string hexchars = "0123456789ABCDEF"; |
18 for (uint32 i = 0; i < guid.length(); ++i) { | 18 for (uint32 i = 0; i < guid.length(); ++i) { |
19 char current = guid[i]; | 19 char current = guid[i]; |
20 if (i == 8 || i == 13 || i == 18 || i == 23) { | 20 if (i == 8 || i == 13 || i == 18 || i == 23) { |
21 if (current != '-') | 21 if (current != '-') |
22 return false; | 22 return false; |
23 } else { | 23 } else { |
24 if (hexchars.find(current) == std::string::npos) | 24 if (hexchars.find(current) == std::string::npos) |
25 return false; | 25 return false; |
26 } | 26 } |
27 } | 27 } |
28 | 28 |
29 return true; | 29 return true; |
30 } | 30 } |
31 | 31 |
32 } // namespace guid | 32 } // namespace base |
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