Properties.cpp

/************************************************************************
 *
 *  This example demonstrates the Properties class.
 *
 ************************************************************************/

#include <jem/base/System.h>
#include <jem/io/Reader.h>
#include <jem/io/Writer.h>
#include <jem/util/Properties.h>


using namespace jem;
using namespace jem::io;
using namespace jem::util;


//-----------------------------------------------------------------------
//   run
//-----------------------------------------------------------------------


int run ( int argc, char** argv )
{
  Writer&     out = System::out ();
  Reader&     in  = System::in  ();

  Properties  persons;
  Properties  person;

  String      name;
  String      nickName;

  double      length;
  int         age;


  if ( argc < 2 )
  {
    print ( System::err(), "\nNo input file specified\n\n" );
    return 1;
  }

  persons.parseFile ( argv[1] );

  print ( out, endl );
  print ( out, persons );
  print ( out, endl );

  while ( true )
  {
    print ( out, "Enter a name : " );
    read  ( in, name );

    if ( name.size() == 0 )
    {
      return 0;
    }

    persons.get ( person, name );

    print ( out, "\nData for `", name, "\' :\n" );

    if ( person.find( nickName, "nickName" ) )
    {
      print ( out, "\n  nick name : ", nickName );
    }

    person.get ( age,    "age",    0,   200 );
    person.get ( length, "length", 0.0, 3.0 );

    print ( out, "\n  age       : ", age,    " years" );
    print ( out, "\n  length    : ", length, " m" );
    print ( out, "\n\n" );
  }

  return 0;
}


//-----------------------------------------------------------------------
//   main
//-----------------------------------------------------------------------


int main ( int argc, char** argv )
{
  return jem::System::exec ( & run, argc, argv );
}