FileTraverser.h++

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/* ---------------------------------------------------------------------------
   commonc++ - A C++ Common Class Library
   Copyright (C) 2005-2014  Mark A Lindner

   This file is part of commonc++.

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   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 GNU
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public
   License along with this library; if not, write to the Free
   Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
   ---------------------------------------------------------------------------
*/

#ifndef __ccxx_FileTraverser_hxx
#define __ccxx_FileTraverser_hxx

#include <commonc++/FileName.h++>
#include <commonc++/IOException.h++>
#include <commonc++/RegExp.h++>
#include <commonc++/String.h++>

namespace ccxx {

class COMMONCPP_API FileTraverser
{
 public:

  FileTraverser(const String& basePath, bool depthFirst = true);

  virtual ~FileTraverser();

  inline void setPrunePattern(const RegExp& pattern)
  { _prunePattern = pattern; }

  bool traverse();

 protected:

  virtual bool processFile(const FileName& name, bool isDir, uint_t depth) = 0;

  virtual bool handleError(const FileName& name, const IOException& ex);

 private:

  bool _traverse(FileName& filename, uint_t depth);

  String _baseDir;
  bool _depthFirst;
  RegExp _prunePattern;
};

} // namespace ccxx

#endif // __ccxx_FileTraverser_hxx