/*
    Ousía
    Copyright (C) 2014, 2015  Benjamin Paaßen, Andreas Stöckel

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/


#ifndef _OUSIA_UTILS_H_
#define _OUSIA_UTILS_H_

#include <string>

namespace ousia {

class Utils {

public:

	/**
	 * Returns true if the given character is in [A-Za-z]
	 */
	static bool isAlphabetic(const char c)
	{
		return ((c >= 'A') && (c <= 'Z')) || ((c >= 'a') && (c <= 'z'));
	}

	/**
	 * Returns true if the given character is in [0-9]
	 */
	static bool isNumeric(const char c)
	{
		return (c >= '0') && (c <= '9');
	}

	/**
	 * Returns true if the given character is in [A-Za-z0-9]
	 */
	static bool isAlphanumeric(const char c)
	{
		return isAlphabetic(c) || isNumeric(c);
	}

	/**
	 * Returns true if the given character is in [A-Za-z_][A-Za-z0-9_-]*
	 */
	static bool isIdentifier(const std::string &name);

};

}

#endif /* _OUSIA_UTILS_H_ */