log_stream.hpp

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/*****************************************************************************
** Ifdefs
*****************************************************************************/

#ifndef ECL_STREAMS_LOG_STREAM_HPP_
#define ECL_STREAMS_LOG_STREAM_HPP_

/*****************************************************************************
** Includes
*****************************************************************************/

#include <map>
#include <string>
#include <ecl/config/macros.hpp>
#include <ecl/devices/shared_file.hpp>
#include <ecl/exceptions/standard_exception.hpp>
#include <ecl/time/timestamp.hpp>
#include "text_stream.hpp"

/*****************************************************************************
** Macros
*****************************************************************************/

#define LOG(logStream,mode) \
  if ( !logStream.isModeEnabled(mode) ) {} \
  else logStream.log(mode)   // << rest of stream input will fill out here

#define FLUSH(logStream) \
  if ( !logStream.isEnabled() ) {} \
  else { logStream.flush(); }

/*****************************************************************************
** Namespaces
*****************************************************************************/

namespace ecl {

/*****************************************************************************
** Interface [LogStream]
*****************************************************************************/
class ECL_PUBLIC LogStream : public TextStream<SharedFile> {
public:
        LogStream() {};
        LogStream(const std::string &file_name, const WriteMode &mode = New) ecl_throw_decl(StandardException) :
                write_header(true),
                write_stamp(true)
        {
                ecl_try {
                        if ( !this->device().open(file_name, mode) ) {
                                error = this->device().error();
                        }
                } ecl_catch(StandardException &e) {
                        ecl_throw(StandardException(LOC,e));
                }
        }

        virtual ~LogStream() {};

    void enableHeader();
    void disableHeader();
    void enableTimeStamp();
    void disableTimeStamp();

    void enableMode(int mode, const std::string header = "");
    void disableMode(int mode);
    bool isEnabled();
    bool isModeEnabled(int mode);
    LogStream& log(int mode);

    using TextStream<SharedFile>::operator<<;

private:
    bool write_header;
    bool write_stamp;
    std::map<int,std::string> modes;
    TimeStamp timestamp;

};

} // namespace ecl

#endif /* ECL_STREAMS_LOG_STREAM_HPP_ */