/*
 * (C) Copyright 1996- ECMWF.
 *
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0.
 * In applying this licence, ECMWF does not waive the privileges and immunities
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */

// File Regex.h
// Baudouin Raoult - ECMWF Jan 98

#ifndef eckit_Regex_h
#define eckit_Regex_h

#include <regex.h>

#include "eckit/eckit.h"


//-----------------------------------------------------------------------------

namespace eckit {

//-----------------------------------------------------------------------------

class Regex {
public:

// -- Contructors

	Regex(const std::string& = ".*",bool shell = false, bool extended=true);
	Regex(const Regex&);

	~Regex();

// -- Methods

	Regex& operator=(const Regex&);

	bool match(const std::string& s) const;

	operator const std::string&() const  { return str_; }

	bool operator==(const Regex& other) const { return str_ == other.str_; }

protected: // methods

	void print(std::ostream&) const;

private: // members

	std::string str_;
	regex_t re_;
	bool extended_;

private: // methods

	void compile(const char*);

	friend std::ostream& operator<<(std::ostream& s,const Regex& p) { p.print(s); return s; }

};


//-----------------------------------------------------------------------------

} // namespace eckit

#endif
