cet::nybbler Class Reference

#include <nybbler.h>

Public Member Functions
	nybbler ()
	nybbler (string const &s)
string	as_hex () const
string	as_char () const
nybbler &	operator<< (string const &)

Private Types
typedef unsigned char	uchar
typedef std::string	string

Static Private Member Functions
static uchar	msn (char ch)
static uchar	lsn (char ch)
static char	to_hex (uchar nyb)
static uchar	to_nyb (char hex)

Private Attributes
string	s_

Detailed Description

Definition at line 18 of file nybbler.h.

Member Typedef Documentation

typedef std::string cet::nybbler::string

private

Definition at line 20 of file nybbler.h.

typedef unsigned char cet::nybbler::uchar

private

Definition at line 19 of file nybbler.h.

Constructor & Destructor Documentation

cet::nybbler::nybbler ( )

inline

Definition at line 25 of file nybbler.h.

: s_("") {}

cet::nybbler::nybbler ( string const &  s )

inlineexplicit

Definition at line 26 of file nybbler.h.

: s_(s) {}

Member Function Documentation

string nybbler::as_char

(

)

const

Definition at line 31 of file nybbler.cc.

{
  string r(s_.size() / 2, 'x');

  string::const_iterator f = s_.begin();
  for (string::iterator t = r.begin(), e = r.end(); t != e; ++t) {
    *t = to_nyb(*f++) << 4;
    *t |= to_nyb(*f++);
  }

  return r;
}

string nybbler::as_hex

(

)

const

Definition at line 17 of file nybbler.cc.

{
  string r(s_.size() * 2, 'x');

  string::iterator t = r.begin();
  for (string::const_iterator b = s_.begin(), e = s_.end(); b != e; ++b) {
    *t++ = to_hex(msn(*b));
    *t++ = to_hex(lsn(*b));
  }

  return r;
}

uchar nybbler::lsn ( char  ch )

staticprivate

Definition at line 51 of file nybbler.cc.

{
  return uchar(ch) & 0xF;
}

uchar nybbler::msn ( char  ch )

staticprivate

Definition at line 45 of file nybbler.cc.

{
  return (uchar(ch) >> 4) & 0xF;
}

nybbler & nybbler::operator<<

(

string const &

s

)

Definition at line 118 of file nybbler.cc.

{
  s_ = s;
  return *this;
}

char nybbler::to_hex ( uchar  nyb )

staticprivate

Definition at line 57 of file nybbler.cc.

{
  switch (nyb) {
  case 0u:
  case 1u:
  case 2u:
  case 3u:
  case 4u:
  case 5u:
  case 6u:
  case 7u:
  case 8u:
  case 9u:
    return '0' + nyb;
  case 10u:
  case 11u:
  case 12u:
  case 13u:
  case 14u:
  case 15u:
    return 'A' + nyb - 10u;
  default:
    return '?';
  }
}

uchar nybbler::to_nyb ( char  hex )

staticprivate

Definition at line 84 of file nybbler.cc.

{
  switch (hex) {
  case '0':
  case '1':
  case '2':
  case '3':
  case '4':
  case '5':
  case '6':
  case '7':
  case '8':
  case '9':
    return hex - '0';
  case 'a':
  case 'b':
  case 'c':
  case 'd':
  case 'e':
  case 'f':
    return hex - 'a' + 10;
  case 'A':
  case 'B':
  case 'C':
  case 'D':
  case 'E':
  case 'F':
    return hex - 'A' + 10;
  default:
    return '?';
  }
}

Member Data Documentation

string cet::nybbler::s_

private

Definition at line 34 of file nybbler.h.

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

• cetlib/cetlib/nybbler.h
• cetlib/cetlib/nybbler.cc