/*****************************************************************************
 * Author:   Valient Gough <vgough@pobox.com>
 *
 *****************************************************************************
 * Copyright (c) 2004, Valient Gough
 *
 * This program is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.  
 *
 * This program 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _StreamNameIO_incl_
#define _StreamNameIO_incl_

#include "fs/NameIO.h"

namespace encfs {

class CipherV1;

class StreamNameIO : public NameIO
{
public:
    static Interface CurrentInterface();

    StreamNameIO( const Interface &iface,
	          const shared_ptr<CipherV1> &cipher);
    virtual ~StreamNameIO();

    virtual Interface interface() const;

    virtual int maxEncodedNameLen( int plaintextNameLen ) const;
    virtual int maxDecodedNameLen( int encodedNameLen ) const;

    // hack to help with static builds
    static bool Enabled();
protected:
    virtual int encodeName( const char *plaintextName, int length,
	                    uint64_t *iv, char *encodedName ) const;
    virtual int decodeName( const char *encodedName, int length,
	                    uint64_t *iv, char *plaintextName ) const;
private:
    int _interface;
    shared_ptr<CipherV1> _cipher;
};

}  // namespace encfs

#endif