#include "Platform.h"
#include <string>
#include <set>

class dir_reader {
public:

  typedef std::set<std::string>::const_iterator iterator;

  dir_reader();
  virtual ~dir_reader() {}

  virtual void read(const std::string& dir) = 0;

  virtual const std::set<std::string>& files();
  virtual const std::set<std::string>& dirs();

  virtual void exclude(const std::string& spec);
  virtual void exclude(const std::set<std::string>& specs);

  static bool matches(const std::string& name, const std::string& spec);

protected:

  virtual void add_file(const std::string& file);
  virtual void add_dir(const std::string& dir);

  virtual bool is_excluded(const std::string& name) const;

private:

  std::set<std::string> m_excluded;
  std::set<std::string> m_wildcard_excluded;

  std::set<std::string> m_files;
  std::set<std::string> m_dirs;

};

dir_reader* new_dir_reader();