/* * 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_UUID_H_ #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_UUID_H_ #include "third_party/blink/renderer/platform/wtf/text/wtf_string.h" #include "third_party/blink/renderer/platform/wtf/wtf_export.h" namespace WTF { // 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. WTF_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. WTF_EXPORT bool IsValidUUID(const String& uuid); } // namespace WTF #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_WTF_UUID_H_