#ifndef PathLookup_First
#define PathLookup_First
#ifdef __GNUG__
#pragma interface
#endif

#include "Object.h"

class Iterator;
class OrdCollection;
class Symbol;

//---- PathLookup --------------------------------------------------------------

class PathLookup: public Object {
friend class PathIter;
protected:
	char *path;
	OrdCollection *paths;
	virtual void Scan();
public:
	MetaDef(PathLookup);
	PathLookup(const char *path);   // eg. "/bin:/tmp:/usr/bin"
	PathLookup(const Symbol &s);    // name in ETRC
	~PathLookup();
	bool Lookup(const char *file, char *buf, int access= 4);
		// returns in buf the path to file
	void Add(const char *path);
		// expands path and adds to list
};

#endif