/***************************************************************************
 *   Copyright (C) 2008-2009 by Rajko Albrecht  ral@alwins-world.de        *
 *   http://kdesvn.alwins-world.de/                                        *
 *                                                                         *
 * 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 2.1 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 (in the file LGPL.txt); if not,         *
 * write to the Free Software Foundation, Inc., 51 Franklin St,            *
 * Fifth Floor, Boston, MA  02110-1301  USA                                *
 *                                                                         *
 * This software consists of voluntary contributions made by many          *
 * individuals.  For exact contribution history, see the revision          *
 * history and logs, available at http://kdesvn.alwins-world.de.           *
 ***************************************************************************/

#ifndef SVNQT_DIFF_DATA_H
#define SVNQT_DIFF_DATA_H

#include <svnqt/svnqt_defines.h>
#include <svnqt/pool.h>
#include <svnqt/path.h>
#include <svnqt/revision.h>
#include <svnqt/svnstream.h>

#include "helper.h"

struct apr_file_t;
struct svn_stream_t;

namespace svn
{
class Path;

class SVNQT_NOEXPORT DiffData
{
protected:
    Pool m_Pool;
#if SVN_API_VERSION >= SVN_VERSION_CHECK(1,8,0)
    stream::SvnByteStream *m_outStream;
    stream::SvnByteStream *m_errStream;
#else
    Path m_tmpPath;
    apr_file_t *m_outFile;
    apr_file_t *m_errFile;
    const char *m_outFileName;
    const char *m_errFileName;
#endif

    Path m_p1, m_p2;
    Revision m_r1, m_r2;

    bool m_working_copy_present, m_url_is_present;

    void init();
    void clean();
    void close();

public:
    DiffData(const Path &aTmpPath, const Path &, const Revision &, const Path &, const Revision &);
    ~DiffData();
    DiffData(const DiffData &) = delete;
    DiffData &operator=(const DiffData &) = delete;

#if SVN_API_VERSION >= SVN_VERSION_CHECK(1,8,0)
    svn_stream_t *outStream()
    {
        return *m_outStream;
    }
    svn_stream_t *errStream()
    {
        return *m_errStream;
    }
#else
    apr_file_t *outFile()
    {
        return m_outFile;
    }
    apr_file_t *errFile()
    {
        return m_errFile;
    }
#endif
    const Revision &r1()const
    {
        return m_r1;
    }
    const Revision &r2()const
    {
        return m_r2;
    }

    QByteArray content();
};
}

#endif
