JToken.hh

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#ifndef __JLANG__JTOKEN__
#define __JLANG__JTOKEN__

#include <string>


/**
 * \author mdejong
 */

namespace JLANG {}
namespace JPP { using namespace JLANG; }

namespace JLANG {

  /**
   * Wrapper class around string.
   *
   * The redirect operator <tt>istream::operator>>()</tt> will read until given template character
   * instead of the standard white space.
   */
  template<char sep>
  class JToken :
    public std::string
  {
  public:
    /**
     * Separator.
     */
    const static char SEPARATOR = sep;


    /**
     * Default constructor.
     */
    JToken() :
      std::string()
    {}


    /**
     * Read token from input stream.
     *
     * \param  in           input stream
     * \param  token        token
     * \return              input stream
     */
    friend inline std::istream& operator>>(std::istream& in, JToken& token)
    {
      token.clear();

      return getline(in, token, SEPARATOR);
    }


    /**
     * Write token to output stream.
     *
     * \param  out          output stream
     * \param  token        token
     * \return              output stream
     */
    friend inline std::ostream& operator<<(std::ostream& out, const JToken& token)
    {
      return out << static_cast<const std::string&>(token) << SEPARATOR; 
    }
  };
}

#endif