JPrint.hh

Go to the documentation of this file.

#ifndef __JEEP__JPRINT__
#define __JEEP__JPRINT__
 
#include <string>
#include <ostream>
#include <sstream>
#include <iomanip>
#include <functional>
 
 
/**
 * \file
 * I/O formatting auxiliaries.
 * \author mdejong
 */
namespace JEEP {}
namespace JPP { using namespace JEEP; }
 
 
namespace JEEP {
 
 
  /**
   * Get output C-string.
   *
   * Note that this method is needed to guarentee livetime of underlying std::string.
   *
   * \param  input     input
   * \return           C-string
   */
  inline const char* getCString(const std::string& input)
  {
    static std::string buffer;
 
    buffer = input;
 
    return buffer.c_str();
  }
}
 
 
/**
 * Make string.
 *
 * \param  A           std::ostream compatible construct
 * \return             std::string
 */
#define MAKE_STRING(A) std::invoke( [&]() { std::ostringstream out; out << A; return out.str(); } )
 
 
/**
 * Make C-string.
 *
 * \param  A           std::ostream compatible construct
 * \return             C-string
 */
#define MAKE_CSTRING(A) JEEP::getCString(MAKE_STRING(A))
 
#endif