/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield 
 *
 * This library is open source and may be redistributed and/or modified under  
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or 
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 * 
 * This library 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 
 * OpenSceneGraph Public License for more details.
*/

#ifndef OSGDB_DATABASEREVISIONS
#define OSGDB_DATABASEREVISIONS 1

#include <osg/Node>

#include <osgDB/ReaderWriter>

#include <set>

namespace osgDB {


class OSGDB_EXPORT DatabaseRevision : public osg::Object
{
    public:

        DatabaseRevision();
        DatabaseRevision(const DatabaseRevision& revision, const osg::CopyOp=osg::CopyOp::SHALLOW_COPY);

        META_Object(osgDB, DatabaseRevision)

        typedef std::set<std::string> FileNames;

        FileNames& getFilesAdded() { return _filesAdded; }
        FileNames& getFilesRemoved() { return _filesRemoved; }
        FileNames& getFilesModified() { return _filesModified; }

        bool isFileBlackListed(const std::string& filename) const;

    protected:

        virtual ~DatabaseRevision();

        FileNames _filesAdded;
        FileNames _filesRemoved;
        FileNames _filesModified;
};

class OSGDB_EXPORT DatabaseRevisions : public osg::Object
{
    public:

        DatabaseRevisions();
        DatabaseRevisions(const DatabaseRevisions& revisions, const osg::CopyOp=osg::CopyOp::SHALLOW_COPY);

        META_Object(osgDB, DatabaseRevisions)

        typedef std::vector< osg::ref_ptr<DatabaseRevision> > DatabaseRevisionList;

        DatabaseRevisionList& getDatabaseRevisionList() { return _revisionList; }

        bool isFileBlackListed(const std::string& filename) const;

    protected:

        virtual ~DatabaseRevisions();

        DatabaseRevisionList _revisionList;
};

}

#endif