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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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#ifndef X2C_DEPENDY_HXX
#define X2C_DEPENDY_HXX


#include <vector>
#include <map>
#include <set>
#include <../support/sistr.hxx>

class Service;
class ServiceInfo;

typedef std::vector< Simstr> 			StringVector;
typedef std::vector< ServiceInfo* > 	List_Implementations;
typedef std::map< Simstr, Service* >	Map_Services;

class Service
{
  public:
						Service(
							const char *		i_sName );

	ServiceInfo &		AddImplementation(
							const char *		i_sLibrary );	/// That is: module-name.

	const Simstr &		Name() const			{ return sName; }
	const ServiceInfo &	FirstImplementation() const
												{ return *aImplementations[0]; }

  private:
	Simstr				sName;
	List_Implementations
						aImplementations;
};

class ServiceInfo
{
  public:
	typedef StringVector List_NeededServices;

						ServiceInfo(
							const char *		i_sLibrary );

	void				AddDependency(
							const char *		i_sNeededService );

	const Simstr &		Library() const			{ return sImplementingLibrary; }
	const List_NeededServices &
						NeededServices() const	{ return aNeededServices; }


  private:
	Simstr				sImplementingLibrary;
	List_NeededServices	aNeededServices;
};


class DependencyFinder
{
  public:
						DependencyFinder();
						~DependencyFinder();

	void				GatherData(
							const char *		i_sSearchDirectory );

	void				FindNeededServices(
							StringVector &		o_rLibraries,
							StringVector &		o_rServices,
							const Simstr &		i_rService );
  private:
	void				ReadFile(
							const char * 		i_sFilename );
	void               	Add2Result(
							const Service &		i_rService );

	// Data
	Map_Services		aServices;

	// Temporary data
	std::set< Simstr >	aResult_Libraries;
	std::set< Simstr >	aResult_Services;
};



#endif


