Subversion Repositories w11

// $Id: RosPrintBvi.cpp 368 2011-03-12 09:58:53Z mueller $

//

// Copyright 2011- by Walter F.J. Mueller <W.F.J.Mueller@gsi.de>

//

// This program is free software; you may redistribute and/or modify it under

// the terms of the GNU General Public License as published by the Free

// Software Foundation, either version 2, or at your option any later version.

//

// This program is distributed in the hope that it will be useful, but

// WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY

// or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

// for complete details.

// 

// Revision History: 

// Date         Rev Version  Comment

// 2011-03-12   368   1.0.1  allow base=0, will print in hex,oct and bin

// 2011-03-05   366   1.0    Initial version

// ---------------------------------------------------------------------------

/*!

  \file

  \version $Id: RosPrintBvi.cpp 368 2011-03-12 09:58:53Z mueller $

  \brief   Implemenation of RosPrintBvi .

*/

#include <stdexcept>

#include "RosPrintBvi.hpp"

using namespace std;

using namespace Retro;

/*!

  \class Retro::RosPrintBvi

  \brief FIXME_docs.

*/

//------------------------------------------+-----------------------------------

//! Constructor. FIXME_docs

RosPrintBvi::RosPrintBvi(uint8_t val, size_t base, size_t nbit)

  : fVal((uint8_t)val),

    fBase(base),

    fNbit(nbit)

{

  if (base!=0 && base!=2 && base!=8 && base!=16)

    throw invalid_argument("RosPrintBvi::ctor: base must be 0,2,8, or 16");

  if (nbit<1 || nbit>8)

    throw invalid_argument("RosPrintBvi::ctor: nbit must be in 1,..,8");

}

//------------------------------------------+-----------------------------------

//! Constructor. FIXME_docs

RosPrintBvi::RosPrintBvi(uint16_t val, size_t base, size_t nbit)

  : fVal((uint16_t)val),

    fBase(base),

    fNbit(nbit)

{

  if (base!=0 && base!=2 && base!=8 && base!=16)

    throw invalid_argument("RosPrintBvi::ctor: base must be 0,2,8, or 16");

  if (nbit<1 || nbit>16)

    throw invalid_argument("RosPrintBvi::ctor: nbit must be in 1,..,16");

}

//------------------------------------------+-----------------------------------

//! Constructor. FIXME_docs

RosPrintBvi::RosPrintBvi(uint32_t val, size_t base, size_t nbit)

  : fVal(val),

    fBase(base),

    fNbit(nbit)

{

  if (base!=0 && base!=2 && base!=8 && base!=16)

    throw invalid_argument("RosPrintBvi::ctor: base must be 0,2,8, or 16");

  if (nbit<1 || nbit>32)

    throw invalid_argument("RosPrintBvi::ctor: nbit must be in 1,..,32");

}

//------------------------------------------+-----------------------------------

//! FIXME_docs

void RosPrintBvi::Print(std::ostream& os) const

{

  if (fBase == 0) {

    os << RosPrintBvi(fVal, 16, fNbit) << "  "

       << RosPrintBvi(fVal,  8, fNbit) << "  "

       << RosPrintBvi(fVal,  2, fNbit);

    return;

  }

  char buf[33];

  Convert(buf);

  os << buf;

  return;

}

//------------------------------------------+-----------------------------------

//! FIXME_docs

void RosPrintBvi::Print(std::string& os) const

{

  if (fBase == 0) {

    os << RosPrintBvi(fVal, 16, fNbit);

    os += "  ";

    os << RosPrintBvi(fVal,  8, fNbit);

    os += "  ";

    os << RosPrintBvi(fVal,  2, fNbit);

    return;

  }

  char buf[33];

  Convert(buf);

  os += buf;

  return;

}

//------------------------------------------+-----------------------------------

//! FIXME_docs

void RosPrintBvi::Convert(char* pbuf) const

{

  size_t nwidth = 1;

  if (fBase ==  8) nwidth = 3;

  if (fBase == 16) nwidth = 4;

  uint32_t nmask = (1<<nwidth)-1;

  size_t ndig = (fNbit+nwidth-1)/nwidth;

  for (size_t i=ndig; i>0; i--) {

    uint32_t nibble = ((fVal)>>((i-1)*nwidth)) & nmask;

    nibble += (nibble <= 9) ? '0' : ('a'-10);

    *pbuf++ = (char) nibble;

  }

  *pbuf++ = '\0';

  return;

}

//------------------------------------------+-----------------------------------

#if (defined(Retro_NoInline) || defined(Retro_RosPrintBvi_NoInline))

#define inline

#include "RosPrintBvi.ipp"

#undef  inline

#endif