/** @file

    $Id$

    $Date$
    $Author$

    @copy © Marc Wäckerlin
    @license LGPL, see file <a href="license.html">COPYING</a>

    $Log$
    Revision 1.1  2005/01/07 00:31:38  marc
    initial version


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*/
#ifndef __MRW_FILE_HPP__
#define __MRW_FILE_HPP__

#include <mrw/exception.hpp>
#include <string>
#include <fstream>

namespace mrw {
  class File {
  public:
    static void copy(std::string from, std::string to) throw (std::exception) {
      std::ifstream is(from.c_str());
      if (!is)
        throw mrw::invalid_argument("Cannot read file: '"+from+"'");
      is.seekg(0, std::ios::end);
      int size(is.tellg());
      std::string contents(size, 0); // make buffer long enough to store all
      is.seekg(0, std::ios::beg);
      is.read(contents.begin().operator->(), size); // hack to get the buffer
      if (!is.good() && is.eof())
        throw mrw::invalid_argument("Cannot read file: '"+from+"'");
      std::ofstream os(to.c_str());
      os<<contents;
      if (!os) throw mrw::invalid_argument("Cannot write file: '"+to+"'");
    }
  };
}

#endif