/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * 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 more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * Authors: Manuel Mausz (manuel@mausz.at)
 *          Christian Raschko (c.raschko@netcore.at)
 */

// Header
#include "wxbufferex.h"

//Libraries
#include <wx/txtstrm.h>

//------------------------------------------------------------------------------
// Hex dump on the stream.
void wxMemoryBufferEx::HexDump(wxOutputStream &strm)
{
  wxTextOutputStream out(strm);
  const size_t colums = 16;
  size_t size = GetDataLen();

  //print all data
  for(size_t i = 0; i < ((size % colums == 0) ? (size / colums) : (size / colums) + 1); i++)
  {
    //address
    out << wxString::Format(_T("%.4x "), i * colums);

    //print hex table
    for(size_t j = 0; j < colums; j++)
    {
      if(j == colums/2)
        out << _T(" ");

      if(j + i*colums >= size)
      {
        out << _T("   ");
      }
      else
      {
        wxByte *pos = static_cast<wxByte *>(GetData());
        pos += (j + i * colums);
        out << wxString::Format(_T(" %.2x"), *pos);
      }
    }

    //seperator
    out << _T("  ");

    //print ascii
    for(size_t j = 0; j < colums; j++)
    {
      if(j == colums/2)
        out << _T(" ");
      if(j + i*colums >= size)
      {
        out << _T("   ");
      }
      else
      {
        wxByte *pos = static_cast<wxByte *>(GetData());
        pos += ( j + i * colums);
        out << wxString::Format(_T("%c"), (wxIsprint(*pos) ? *pos : '.'));
      }
    }

    out << endl;
  }
}