headers/private/support/Uuid.h

   1 /*
   2  * Copyright 2013, Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  */
   5 #ifndef _UUID_H_
   6 #define _UUID_H_
   7
   8
   9 #include <String.h>
  10
  11
  12 namespace BPrivate {
  13
  14
  15 class BUuid {
  16 public:
  17                                                                 BUuid();
  18                                                                 BUuid(const BUuid& other);
  19                                                                 ~BUuid();
  20
  21                         bool                            IsNil() const;
  22
  23                         BUuid&                          SetToRandom();
  24
  25                         BString                         ToString() const;
  26
  27                         int                                     Compare(const BUuid& other) const;
  28
  29         inline  bool                            operator==(const BUuid& other) const;
  30         inline  bool                            operator!=(const BUuid& other) const;
  31
  32         inline  bool                            operator<(const BUuid& other) const;
  33         inline  bool                            operator>(const BUuid& other) const;
  34         inline  bool                            operator<=(const BUuid& other) const;
  35         inline  bool                            operator>=(const BUuid& other) const;
  36
  37                         BUuid&                          operator=(const BUuid& other);
  38
  39 private:
  40                         bool                            _SetToDevRandom();
  41                         void                            _SetToRandomFallback();
  42
  43 private:
  44                         uint8                           fValue[16];
  45 };
  46
  47
  48 inline bool
  49 BUuid::operator==(const BUuid& other) const
  50 {
  51         return Compare(other) == 0;
  52 }
  53
  54
  55 inline bool
  56 BUuid::operator!=(const BUuid& other) const
  57 {
  58         return Compare(other) != 0;
  59 }
  60
  61
  62 inline bool
  63 BUuid::operator<(const BUuid& other) const
  64 {
  65         return Compare(other) < 0;
  66 }
  67
  68
  69 inline bool
  70 BUuid::operator>(const BUuid& other) const
  71 {
  72         return Compare(other) > 0;
  73 }
  74
  75
  76 inline bool
  77 BUuid::operator<=(const BUuid& other) const
  78 {
  79         return Compare(other) <= 0;
  80 }
  81
  82
  83 inline bool
  84 BUuid::operator>=(const BUuid& other) const
  85 {
  86         return Compare(other) >= 0;
  87 }
  88
  89
  90 }       // namespace BPrivate
  91
  92
  93 using BPrivate::BUuid;
  94
  95
  96 #endif  // _UUID_H_