JStreamAvailable.cc File Reference

Example program to test JLANG::JStreamAvailable class. More...

#include <iostream>
#include <iomanip>
#include <vector>
#include "JLang/JStreamAvailable.hh"
#include "JLang/JBool.hh"
#include "Jeep/JParser.hh"
#include "Jeep/JMessage.hh"

Go to the source code of this file.

Classes
struct	__A__
struct	__B__< T >
struct	__C__

Macros
#define	PRINT(OUT, CLASS)
	Print class parameters. More...

Functions
template<class T >
std::ostream &	operator<< (std::ostream &out, const __B__< T > &object)
	Write object to output. More...
std::istream &	operator>> (std::istream &in, std::vector< int > &object)
	Read std::vector<int> from input. More...
std::ostream &	operator<< (std::ostream &out, const std::vector< int > &object)
	Write std::vector<int> to output. More...
int	main (int argc, char **argv)

Detailed Description

Example program to test JLANG::JStreamAvailable class.

Author

mdejong

Definition in file JStreamAvailable.cc.

Macro Definition Documentation

#define PRINT	(		OUT,
			CLASS
	)

Value:

OUT << std::setw(12) << std::left << #CLASS << ' ' ;            \
  OUT << JStreamAvailable<CLASS>::has_istream << '/';           \
  OUT << JStreamAvailable<CLASS>::has_ostream << std::endl;

Print class parameters.

Parameters

OUT	output stream
CLASS	class

Definition at line 131 of file JStreamAvailable.cc.

Function Documentation

template<class T >

std::ostream& operator<< ( std::ostream &  out, const __B__< T > &  object  )

inline

Write object to output.

Parameters

out	output stream
object	object

Returns

output stream

Definition at line 39 of file JStreamAvailable.cc.

{
  return out << "__B__";
}

std::istream& operator>> ( std::istream &  in, std::vector< int > &  object  )

inline

Read std::vector<int> from input.

Parameters

in	input stream
object	object

Returns

input stream

Definition at line 55 of file JStreamAvailable.cc.

{
  for (int value; in >> value; ) {
    object.push_back(value);
  }
    
  return in;
}

std::ostream& operator<< ( std::ostream &  out, const std::vector< int > &  object  )

inline

Write std::vector<int> to output.

Parameters

out	output stream
object	object

Returns

output stream

Definition at line 72 of file JStreamAvailable.cc.

{
  for (std::vector<int>::const_iterator i = object.begin(); i != object.end(); ++i) {
    out << ' ' << *i;
  }
    
  return out;
}

int main	(	int	argc,
		char **	argv
	)

Definition at line 144 of file JStreamAvailable.cc.

{
  using namespace std;
  using namespace JPP;

  int            debug;

  try { 

    JParser<> zap("Example program to test availability of I/O stream redirection.");
    
    zap['d'] = make_field(debug)           = 3;

    zap(argc, argv);
  }
  catch(const exception &error) {
    FATAL(error.what() << endl);
  }


  cout.tie(&cerr);

  if (debug >= debug_t) {

    cout << setw(12) << left  << "class" << " I/O" << endl;
    cout << setw(12) << right << setfill('-') << "" << "+---" << setfill(' ') << endl;

    PRINT(cout, double);
    PRINT(cout, __A__);
    PRINT(cout, __B__<int>);
    PRINT(cout, __C__);
    PRINT(cout, vector<int>);
    
    print(cout, vector<int>(5, 1));
    print(cout, vector<double>(5, 1.0));

    __A__      a;
    __B__<int> b;
    __C__      c;

    cout << "STREAM << __A__: " << STREAM("?") << a << endl;
    cout << "STREAM << __B__: " << STREAM("?") << b << endl;
    cout << "STREAM << __C__: " << STREAM("?") << c << endl;
  }

  ASSERT( JStreamAvailable<__A__>::has_istream);
  ASSERT(!JStreamAvailable<__A__>::has_ostream);
  ASSERT(!JStreamAvailable< __B__<int> >::has_istream);
  ASSERT( JStreamAvailable< __B__<int> >::has_ostream);
  ASSERT(!JStreamAvailable<__C__>::has_istream);
  ASSERT(!JStreamAvailable<__C__>::has_ostream);
  ASSERT( JStreamAvailable< vector<int> >::has_istream);
  ASSERT( JStreamAvailable< vector<int> >::has_ostream);
  ASSERT(!JStreamAvailable< vector<double> >::has_istream);
  ASSERT(!JStreamAvailable< vector<double> >::has_ostream);

  return 0;
}