33 lines
772 B
C++
33 lines
772 B
C++
|
// Copyright (c) 2012 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.
|
||
|
|
||
|
#include "base/guid.h"
|
||
|
|
||
|
#include "base/rand_util.h"
|
||
|
#include "base/strings/stringprintf.h"
|
||
|
|
||
|
namespace base {
|
||
|
|
||
|
bool IsValidGUID(const std::string& guid) {
|
||
|
const size_t kGUIDLength = 36U;
|
||
|
if (guid.length() != kGUIDLength)
|
||
|
return false;
|
||
|
|
||
|
std::string hexchars = "0123456789ABCDEF";
|
||
|
for (uint32 i = 0; i < guid.length(); ++i) {
|
||
|
char current = guid[i];
|
||
|
if (i == 8 || i == 13 || i == 18 || i == 23) {
|
||
|
if (current != '-')
|
||
|
return false;
|
||
|
} else {
|
||
|
if (hexchars.find(current) == std::string::npos)
|
||
|
return false;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return true;
|
||
|
}
|
||
|
|
||
|
} // namespace guid
|