SplitFile.h

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#ifndef SPLIT_FILE
#define SPLIT_FILE

#include "icp_interfaces.h"

class SplitFile : public IFile, public ISIS::Base
{
private:
        FILE* m_file;
        size_t m_count;
        size_t m_current_bytes;
        static const size_t m_bytes_per_file;
        static const size_t m_files_per_sub_dir;

        int m_shflag;
        int m_mode;
        Poco::Path m_top_directory;
        bool m_toggle_readonly;
        SplitFile(const SplitFile&) { }
        void operator=(const SplitFile&) { m_file = NULL; }

public:
        SplitFile();
        int open(const std::string& path, IFile::Mode mode, int shflag)
        {
                return open(path, mode, shflag, false);
        }
        int open(const std::string& path, Mode mode, int shflag, bool toggle_readonly);
        size_t write(const void* data, size_t element_size, size_t nelement);
        size_t read(void* data, size_t element_size, size_t nelement);
        int close();
        int seek(int64_t offset, int whence);
        int tell(int64_t& offset);
        int discardContents();
        bool isOpen() const;
        int flush();
        ~SplitFile();
        static void removeFile(const std::string& path);

private:
        int open();
        std::string fileNamefromCount(size_t count) const;
        std::string getFileName() const;
        void nextFile();
        size_t countFromOffset(int64_t offset) const;
        void findFiles(std::set<std::string>& files) const;
        static void findFiles(const Poco::Path& path, std::set<std::string>& files);
        std::string openMode(const std::string& path) const;
};

#endif /* SPLIT_FILE */