be_io_filelogsheet.h

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#ifndef __BE_IO_FILELOGSHEET_H__
#define __BE_IO_FILELOGSHEET_H__
 
#include <fstream>
#include <vector>
 
#include <be_io_logsheet.h>
 
namespace BiometricEvaluation
{
        namespace IO
        {
                class FileLogsheet : public IO::Logsheet
                {
                public:
 
                        FileLogsheet(
                            const std::string &url,
                            const std::string &description);
 
                        FileLogsheet(
                            const std::string &url);
 
                        ~FileLogsheet();
 
                        static void
                        mergeLogsheets(
                            std::vector<std::shared_ptr<FileLogsheet>>
                            &logsheets);
 
                        static const int32_t BE_FILELOGSHEET_SEQ_START = 1;
                        static const int32_t BE_FILELOGSHEET_SEQ_NEXT = 2;
                        
                        std::string
                        sequence(
                            bool allEntries = false,
                            bool trim = true,
                            int32_t cursor = BE_FILELOGSHEET_SEQ_NEXT);
 
                        static std::string
                        trim(
                            const std::string &entry);
 
 
                        /* Declare implementations of parent interface */
                        void write(const std::string &entry);
                        void writeComment(const std::string &entry);
                        void writeDebug(const std::string &entry);
                        void sync();
                        
                protected:
                        FileLogsheet(const FileLogsheet&);
                        FileLogsheet& operator=(const FileLogsheet&);
 
                        std::unique_ptr<std::fstream> _theLogFile;
 
                        void
                        updateCursor();
 
                        std::shared_ptr<std::fstream> _sequenceFile;
 
                        std::streamoff _cursor;
                };
        }
}
 
#endif  /* __BE_IO_FILELOGSHEET_H__ */