offline_poolCopy_v5::Guid Class Reference

#include <POOLCore/Guid.h>

Collaboration diagram for offline_poolCopy_v5::Guid:

Public Member Functions
	Guid ()
	Standard constructor (No initialization of data for performance reasons) More...
	Guid (bool assign)
	Standard constructor (With possible initialization) More...
	Guid (const char *s)
	Constructor for Guid from char*. More...
	Guid (const std::string &s)
	Constructor for Guid from string. More...
	Guid (const Guid &c)
	Copy constructor. More...
Guid &	operator= (const Guid &g)
	Assignment operator. More...
bool	operator< (const Guid &g) const
	Smaller operator. More...
bool	operator== (const Guid &g) const
	Equality operator. More...
bool	operator!= (const Guid &g) const
	Non-equality operator. More...
const std::string	toString () const
	Automatic conversion from string reprentation. More...
const Guid &	fromString (const std::string &s)
	Automatic conversion to string representation. More...

Static Public Member Functions
static const Guid &	null ()
	NULL-Guid: static class method. More...
static void	create (Guid &guid)
	Create a new Guid. More...

Public Attributes
unsigned int	Data1
unsigned short	Data2
unsigned short	Data3
unsigned char	Data4 [8]

Detailed Description

Description:

Encapsulation of a GUID/UUID/CLSID/IID data structure (128 bit number). Note: This class may not have a virual destructor

Author

M.Frank Initial version using COM on WIN32

Zhen Xie Include DCE implementation for linux

Version

1.1

Date

03/09/2002

Definition at line 33 of file v5_Guid.h.

Constructor & Destructor Documentation

Guid() [1/5]

offline_poolCopy_v5::Guid::Guid ( )

inline

Standard constructor (No initialization of data for performance reasons)

Definition at line 41 of file v5_Guid.h.

{                                 }

Guid() [2/5]

offline_poolCopy_v5::Guid::Guid ( bool  assign )

inlineexplicit

Standard constructor (With possible initialization)

Definition at line 43 of file v5_Guid.h.

{ if ( assign ) create(*this);    }

Guid() [3/5]

offline_poolCopy_v5::Guid::Guid ( const char *  s )

inlineexplicit

Constructor for Guid from char*.

Definition at line 45 of file v5_Guid.h.

{ fromString(s);          }

Guid() [4/5]

offline_poolCopy_v5::Guid::Guid ( const std::string &  s )

inlineexplicit

Constructor for Guid from string.

Definition at line 47 of file v5_Guid.h.

{ fromString(s);          }

Guid() [5/5]

offline_poolCopy_v5::Guid::Guid ( const Guid &  c )

inline

Copy constructor.

Definition at line 49 of file v5_Guid.h.

{ *this = c;              }

Member Function Documentation

create()

void Guid::create ( Guid &  guid )

static

Create a new Guid.

Definition at line 36 of file v5_Guid.cxx.

                                                 {
  uuid_t me_;
  ::uuid_generate_time(me_);
  unsigned int  *d1=(unsigned int*)me_;
  unsigned short *d2=(unsigned short*)(me_+4);
  unsigned short *d3=(unsigned short*)(me_+6);
  guid.Data1 = *d1;
  guid.Data2 = *d2;
  guid.Data3 = *d3;
  for (int i=0; i<8; i++){
      guid.Data4[i]=me_[i+8];
  }
}

fromString()

const offline_poolCopy_v5::Guid & Guid::fromString

(

const std::string &

s

)

Automatic conversion to string representation.

Definition at line 60 of file v5_Guid.cxx.

                                                                                             {
  // Note: This looks funny, but the specs for sscanf formats say
  //       that the space of a pointer in the ellipsis may only be
  //       integer or short. Hence one has to reserve a bit more space
  //       otherwise the stack gets corrupted.
  unsigned char d[8];
  long unsigned int xData1;
  ::sscanf( source.c_str(), fmt_Guid, &xData1, &Data2, &Data3, 
            &Data4[0], &Data4[1], &Data4[2], &Data4[3], &d[0], &d[1], &d[2], &d[3]);
  Data1 = xData1;
  //*(int*)&Data4[4] = *(int*)d;
  ::memcpy(Data4+4, d, 4);
  return *this;
}

null()

const offline_poolCopy_v5::Guid & Guid::null ( )

static

NULL-Guid: static class method.

Definition at line 31 of file v5_Guid.cxx.

                                                               {
  return clid_null;
}

operator!=()

bool offline_poolCopy_v5::Guid::operator!= ( const Guid &  g ) const

inline

Non-equality operator.

Definition at line 77 of file v5_Guid.h.

                                           {
      return !(this->operator==(g));
    }

operator<()

bool Guid::operator<

(

const Guid &

g

)

const

Smaller operator.

Definition at line 75 of file v5_Guid.cxx.

                                                               {
  return ::memcmp(&g.Data1, &Data1, 16) < 0;
}

operator=()

Guid& offline_poolCopy_v5::Guid::operator= ( const Guid &  g )

inline

Assignment operator.

Definition at line 51 of file v5_Guid.h.

                                      {
      if ( this != &g )  {
        Data1 = g.Data1;
        Data2 = g.Data2;
        Data3 = g.Data3;
        for (size_t i = 0; i < 8; i++) {
          Data4[i] = g.Data4[i];
        }
      }
      return *this;
    }

operator==()

bool offline_poolCopy_v5::Guid::operator== ( const Guid &  g ) const

inline

Equality operator.

Definition at line 65 of file v5_Guid.h.

                                           {
      if ( this != & g )  {
        if (Data1 != g.Data1 ) return false;
        if (Data2 != g.Data2 ) return false;
        if (Data3 != g.Data3 ) return false;
        const unsigned int *p = (const unsigned int*)&Data4[0], 
                            *q = (const unsigned int*)&g.Data4[0];
        return *p++ == *q++ && *p == *q;
      }
      return true;
    }

toString()

const std::string Guid::toString

(

)

const

Automatic conversion from string reprentation.

Definition at line 50 of file v5_Guid.cxx.

                                                            {
  char text[128];
  ::snprintf(text, 128, fmt_Guid,
            static_cast<long unsigned int>(Data1),
            Data2, Data3, 
            Data4[0], Data4[1], Data4[2], Data4[3], 
            Data4[4], Data4[5], Data4[6], Data4[7]);
  return text;
}

Member Data Documentation

Data1

unsigned int offline_poolCopy_v5::Guid::Data1

Definition at line 35 of file v5_Guid.h.

Data2

unsigned short offline_poolCopy_v5::Guid::Data2

Definition at line 36 of file v5_Guid.h.

Data3

unsigned short offline_poolCopy_v5::Guid::Data3

Definition at line 37 of file v5_Guid.h.

Data4

unsigned char offline_poolCopy_v5::Guid::Data4[8]

Definition at line 38 of file v5_Guid.h.

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The documentation for this class was generated from the following files:

• v5_Guid.h
• v5_Guid.cxx