JPrint.hh

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#ifndef __JEEP__JPRINT__
#define __JEEP__JPRINT__
 
#include <string>
#include <ostream>
#include <sstream>
#include <iomanip>
 
 
/**
 * \file
 * I/O formatting auxiliaries.
 * \author mdejong
 */
namespace JEEP {}
namespace JPP { using namespace JEEP; }
 
 
namespace JEEP {
 
  /**
   * Get output stream for conversion to std::string.
   *
   * Note that the stream is emptied before use.
   * 
   * \return           output stream
   */
  inline std::ostream& getOstream()
  {
    static std::ostringstream buffer;
 
    buffer.str("");
 
    return buffer;
  }
 
 
  /**
   * 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) (static_cast<std::ostringstream&>(JEEP::getOstream() << A << std::flush)).str()
 
 
/**
 * Make C-string.
 *
 * \param  A           std::ostream compatible construct
 * \return             C-string
 */
#define MAKE_CSTRING(A) JEEP::getCString(MAKE_STRING(A))
 
#endif