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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#pragma once
#include "cmConfigure.h" // IWYU pragma: keep
#include <string>
#include <vector>
#include <cm/string_view>
/** \class cmUuid
* \brief Utility class to generate UUIDs as defined by RFC4122
*
*/
class cmUuid
{
public:
std::string FromMd5(std::vector<unsigned char> const& uuidNamespace,
cm::string_view name) const;
std::string FromSha1(std::vector<unsigned char> const& uuidNamespace,
cm::string_view name) const;
bool StringToBinary(cm::string_view input,
std::vector<unsigned char>& output) const;
private:
std::string ByteToHex(unsigned char byte) const;
void CreateHashInput(std::vector<unsigned char> const& uuidNamespace,
cm::string_view name,
std::vector<unsigned char>& output) const;
std::string FromDigest(unsigned char const* digest,
unsigned char version) const;
bool StringToBinaryImpl(cm::string_view input,
std::vector<unsigned char>& output) const;
std::string BinaryToString(unsigned char const* input) const;
bool IntFromHexDigit(char input, char& output) const;
};
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