UNV_Utilities.hxx

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// Copyright (C) 2007-2023  CEA, EDF, OPEN CASCADE
//
// Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library 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
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
 
#ifndef UNV_Utilities_HeaderFile
#define UNV_Utilities_HeaderFile
 
#include "SMESH_DriverUNV.hxx"
 
#include <iostream>     
#include <sstream>      
#include <fstream>
#include <string>
#include <stdexcept>
#include <cassert>
#include <cstdlib>
 
namespace UNV {
 
  const size_t theMaxLineLen = 82; // 80 for text + 2 for "\r\n"
 
  class MESHDRIVERUNV_EXPORT PrefixPrinter{
    static int myCounter;
  public:
    PrefixPrinter();
    ~PrefixPrinter();
 
    static std::string GetPrefix();
  };
 
  inline bool beginning_of_dataset(std::istream& in_file, const std::string& ds_name)
  {
    assert (in_file.good());
    assert (!ds_name.empty());
 
    std::string olds, news;
 
    in_file.seekg(0);
    while(true)
    {
      in_file >> olds >> news;
      /*
       * a "-1" followed by a number means the beginning of a dataset
       * stop combing at the end of the file
       */
      while( ((olds != "-1") || (news == "-1")))
      {
        olds = news;
        in_file >> news;
 
        if ( in_file.eof() || in_file.fail() )
        {
          in_file.clear();
          return false;
        }
      }
      if (news == ds_name)
        return true;
 
      olds.clear();
    }
    // should never end up here
    return false;
  }
 
  inline double D_to_e(std::string& number)
  {
    /* find "D" in string, start looking at
     * 6th element, to improve speed.
     * We don't expect a "D" earlier
     */
    const size_t position = number.find("D",6);
    if ( position != std::string::npos )
      number.replace(position, 1, "e");
 
    return atof (number.c_str());
  }
 
  inline bool check_file(const std::string theFileName)
  {
    std::ifstream in_stream(theFileName.c_str());
    if (!in_stream)
      return false;
    std::string olds, news;
    while (!in_stream.eof()){
      olds = news;
      std::getline(in_stream, news, '\n');
    }
    return (olds == "    -1");
  }
 
  inline std::string read_line(std::ifstream& in_stream, const bool next=true)
  {
    std::string resLine;
    std::getline( in_stream, resLine );
    if ( next )
      std::getline( in_stream, resLine );
 
    if ( resLine.size() > 0 && resLine[ resLine.size()-1 ] == '\r' )
      resLine.resize( resLine.size()-1 );
    return resLine;
  }
}
 
 
#ifndef MESSAGE
 
#define MESSAGE(msg) std::cout<<__FILE__<<"["<<__LINE__<<"]::"<<msg<<endl;
 
#define BEGMSG(msg) std::cout<<UNV::PrefixPrinter::GetPrefix()<<msg
 
#define ADDMSG(msg) std::cout<<msg
 
#endif
 
 
#ifndef EXCEPTION
 
#define EXCEPTION(TYPE, MSG) {\
  std::ostringstream aStream;\
  aStream<<__FILE__<<"["<<__LINE__<<"]::"<<MSG;\
  throw TYPE(aStream.str());\
}
 
#endif
 
#endif