| /* |
| * Copyright (C) 2010 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef UUID_h |
| #define UUID_h |
| |
| #include "platform/PlatformExport.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| // Creates a UUID that consists of 32 hexadecimal digits and returns its |
| // canonical form. The canonical form is displayed in 5 groups separated by |
| // hyphens, in the form 8-4-4-4-12 for a total of 36 characters. |
| // The hexadecimal values "a" through "f" are output as lower case characters. |
| // |
| // Note: for security reason, we should always generate version 4 UUID that use |
| // a scheme relying only on random numbers. This algorithm sets the version |
| // number as well as two reserved bits. All other bits are set using a random or |
| // pseudorandom data source. Version 4 UUIDs have the form |
| // xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx with hexadecimal digits for x and one of |
| // 8, 9, A, or B for y. |
| PLATFORM_EXPORT String createCanonicalUUIDString(); |
| |
| // Check that the UUID is a valid UUID. A valid UUID is a string made out of 5 |
| // groups of lower case hexadecimal characters separated by hyphens, in the form |
| // 8-4-4-4-12. |
| PLATFORM_EXPORT bool isValidUUID(const String& uuid); |
| |
| } // namespace blink |
| |
| #endif |
