Source/cmUuid.h

   1 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
   2    file Copyright.txt or https://cmake.org/licensing for details.  */
   3 #pragma once
   4
   5 #include "cmConfigure.h" // IWYU pragma: keep
   6
   7 #include <string>
   8 #include <vector>
   9
  10 /** \class cmUuid
  11  * \brief Utility class to generate UUIDs as defined by RFC4122
  12  *
  13  */
  14 class cmUuid
  15 {
  16 public:
  17   std::string FromMd5(std::vector<unsigned char> const& uuidNamespace,
  18                       std::string const& name) const;
  19
  20   std::string FromSha1(std::vector<unsigned char> const& uuidNamespace,
  21                        std::string const& name) const;
  22
  23   bool StringToBinary(std::string const& input,
  24                       std::vector<unsigned char>& output) const;
  25
  26 private:
  27   std::string ByteToHex(unsigned char byte) const;
  28
  29   void CreateHashInput(std::vector<unsigned char> const& uuidNamespace,
  30                        std::string const& name,
  31                        std::vector<unsigned char>& output) const;
  32
  33   std::string FromDigest(const unsigned char* digest,
  34                          unsigned char version) const;
  35
  36   bool StringToBinaryImpl(std::string const& input,
  37                           std::vector<unsigned char>& output) const;
  38
  39   std::string BinaryToString(const unsigned char* input) const;
  40
  41   bool IntFromHexDigit(char input, char& output) const;
  42 };