// -*- mode: c++; c-basic-offset:4 -*-

// This file is part of libdap, A C++ implementation of the OPeNDAP Data

// Access Protocol.

// Copyright (c) 2014 OPeNDAP, Inc.

// Author: James Gallagher <jgallagher@opendap.org>

//

// This library is free software; you can redistribute it and/or

// modify it under the terms of the GNU Lesser General Public

// License as published by the Free Software Foundation; either

// version 2.1 of the License, or (at your option) any later version.

//

// This library 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

// Lesser General Public License for more details.

//

// You should have received a copy of the GNU Lesser General Public

// License along with this library; if not, write to the Free Software

// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

//

// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

#ifndef PARSER_UTIL_H_

#define PARSER_UTIL_H_

namespace libdap {

/** Given a string (<tt>const char *src</tt>), save it to the

    temporary variable pointed to by <tt>dst</tt>. If the string is

    longer than <tt>ID_MAX</tt>, generate and error indicating that

    <tt>src</tt> was truncated to <tt>ID_MAX</tt> characters during

    the copy operation. There are two versions of this function; one

    calls the version of <tt>parser_error()</tt> which writes to

    stderr. The version which accepts the <tt>parser_arg *arg</tt>

    argument calls the version of <tt>parser_error()</tt> which

    generates and Error object.

    @return void

    @brief Save a string to a temporary variable during the parse.

    */

void save_str(char *dst, const char *src, const int line_num);

void save_str(string &dst, const char *src, const int);

bool is_keyword(string id, const string &keyword);

/**

 * @defgroup check_type

 * @{

 * @brief Can the given string be converted into a byte, ...?

 */

int check_byte(const char *val);

int check_int16(const char *val);

int check_uint16(const char *val);

int check_int32(const char *val);

int check_uint32(const char *val);

int check_int64(const char *val);

int check_uint64(const char *val);

int check_float32(const char *val);

int check_float64(const char *val);

/** Currently this function always returns true.

    @brief Is the value a valid URL? */

int check_url(const char *val);

/** @} */

/**

 * @defgroup get_type

 * @{

 * @brief Convert the string to a value; throw if the conversion fails.

 */

long long get_int64(const char *val);

unsigned long long get_uint64(const char *val);

double get_float64(const char *val);

/** @} */

} // namespace libdap

#endif /* PARSER_UTIL_H_ */