notepad_filestore.h

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#ifndef __NOTEPAD_FILESTORE_H__
#define __NOTEPAD_FILESTORE_H__

/**
 * File Name  : notepad_filestore.h
 *
 * Description: open/close file and file generation abstraction
 */

/*
 * This file is part of notepad.
 *
 * notepad is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * notepad is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */

/**
 * Copyright (C) 2010 IREX Technologies B.V.
 * All rights reserved.
 */

#include <libermetadb/ermetadb.h>


namespace notepad
{
    // file (meta) handling
    // abstracts file creation and db file create/open interaction
    // collaborates with CNotepadDoc

    class CFileStore 
    {
        public: // lifecycle
            CFileStore ();
            virtual ~CFileStore ();
        private: // don'ts
            CFileStore(const CFileStore&);
            CFileStore  operator=(const CFileStore&);
        private:
            np_result   openDatabase(const gchar* folder, const gchar* filename);
            void        closeDatabase(void);
            np_result   createDatabase(const gchar* folder, const gchar* file, const char* title);
            np_result   renameDatabase(const gchar* srcdir, const gchar* srcfile, const gchar* destfile);
        public:
            np_result   createFile(const gchar* filename);
            np_result   openFile(const gchar* filename);
            void        closeFile();
            np_result   renameFile(const gchar* newfilename);
            gchar*      getFilename(void);
            erMetadb    getFile(void);
        public: // utility functions
            gchar*      getFileNameDirPart(void);       // caller takes ownership of returned object
            gchar*      getFileNameFilePart(void);      // caller takes ownership of returned object
            gchar*      getFileNameFilePartNoExt(void); // caller takes ownership of returned object
        private:
            gchar*      generateNewFilename(void);
            gchar*      noExt(const char* filename);
        private:
            // database actions
            gboolean    load_string(const char *key, gchar** value);
            gboolean    save_string(const char *key, const gchar* value);
        public:
            gint        get_last_read_location(void);
            gboolean    set_last_read_location(gint location);

        private:
            erMetadb    m_db;
            gchar*      m_dbfilename; 
    };
}


#endif // __NOTEPAD_FILESTORE_H__