#ifndef _GUITAR_REQUIREMENTS_HPP_
#define _GUITAR_REQUIREMENTS_HPP_
#ifndef _COMMON_ARRAY_HPP_
#include <common/array.hpp>
#endif
#ifndef _GUITAR_ORDERING_HPP_
#include <guitar/ordering.hpp>
#endif
#ifndef _GUITAR_NOTEPATH_HPP_
#include <guitar/notepath.hpp>
#endif
#ifndef _GUITAR_REQUIREMENT_HPP_
#include <guitar/requirement.hpp>
#endif

class Requirements : public Array<Requirement>
{
public:
  Requirements(void);
  Requirements(Block<Note> &notes);
	virtual ~Requirements();
  bool satisfyRequirements(NotePaths &notePaths);
	void setRequirements(Block<Note> &notes);
private:
  bool satisfyRequirement(NotePath &notePath);
  bool haveRequirement(const FrettedNote &frettedNote);
	bool isPositionAvailable(const FrettedNote &frettedNote,PtrRequirement &requirement);
};

inline
Requirements::Requirements(void)
{
}

inline
Requirements::Requirements(Block<Note> &notes)
{
  setRequirements(notes);
}

inline
Requirements::~Requirements()
{
}
#endif