/*
 * Copyright (c) 2008 Stephan Aßmus <superstippi@gmx.de>
 * All rights reserved. Distributed under the terms of the MIT license.
 */
#ifndef CHANGES_ITERATOR_H
#define CHANGES_ITERATOR_H

#include <HashMap.h>
#include <HashString.h>

#include "FileIterator.h"

class BEntry;
class BDirectory;
class Model;

class ChangesIterator : public FileIterator {
public:
                                                                ChangesIterator(const Model* model);
        virtual                                         ~ChangesIterator();

        virtual bool                            IsValid() const;
        virtual bool                            GetNextName(char* buffer);
        virtual bool                            NotifyNegatives() const;

public:
                        void                            EntryAdded(const char* path);
                        void                            EntryRemoved(const char* path);
                        void                            EntryChanged(const char* path);

                        bool                            IsEmpty() const;
                        void                            PrintToStream() const;

private:
        typedef HashMap<HashString, uint32> PathMap;
        enum {
                ENTRY_ADDED     = 0,
                ENTRY_REMOVED,
                ENTRY_CHANGED
        };

                        PathMap                         fPathMap;
                        int32                           fIteratorIndex;

                        bool                            fRecurseDirs : 1;
                        bool                            fRecurseLinks : 1;
                        bool                            fSkipDotDirs : 1;
                        bool                            fTextOnly : 1;
};

#endif // CHANGES_ITERATOR_H