be_io_filelogcabinet.h

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/******************************************************************************
 * This software was developed at the National Institute of Standards and
 * Technology (NIST) by employees of the Federal Government in the course
 * of their official duties. Pursuant to title 17 Section 105 of the
 * United States Code, this software is not subject to copyright protection
 * and is in the public domain. NIST assumes no responsibility whatsoever for
 * its use by other parties, and makes no guarantees, expressed or implied,
 * about its quality, reliability, or any other characteristic.
 ******************************************************************************/
#ifndef __BE_IO_LOGCABINET_H
#define __BE_IO_LOGCABINET_H
 
 
#include <cstdint>
#include <memory>
#include <sstream>
#include <string>
#include <vector>
 
#include <be_error_exception.h>
#include <be_io_filelogsheet.h>
 
namespace BiometricEvaluation {
    namespace IO {
        class FileLogCabinet {
                public:
 
                        FileLogCabinet(
                            const std::string &pathname,
                            const std::string &description);
 
                        FileLogCabinet(
                            const std::string &pathname);
 
                        ~FileLogCabinet();
                        
                        std::shared_ptr<FileLogsheet> newLogsheet(
                            const std::string &name,
                            const std::string &description);
 
                        std::string getPathname();
 
                        std::string getDescription();
 
                        unsigned int getCount();
 
                private:
                         
                        /* The directory where the cabinet is rooted */
                        std::string _pathname;
 
                        /* A textual description of the cabinet. */
                        std::string _description;
 
                        /* Number of items in the cabinet */
                        unsigned int _count;
 
                        /* The current record position cursor */
                        int _cursor;
 
                        /*
                         * Return the full path of a file stored as part
                         * of the FileLogCabinet, typically _pathname + name.
                         */
                        std::string canonicalName(const std::string &name);
 
                        /* Read the contents of the common control file format
                         * for all FileLogCabinet.
                         */
                        void readControlFile();
 
                        /* Write the contents of the common control file format
                         * for all FileLogCabinet.
                         */
                        void writeControlFile();
 
                private:
                        /* Prevent copying of FileLogCabinet objects */
                        FileLogCabinet(const FileLogCabinet&);
                        FileLogCabinet& operator=(const FileLogCabinet&);
        };
    }
}
#endif  /* __BE_IO_LOGCABINET_H */