/*
* Copyright (c) 2009 Lukas Mejdrech
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup net_app
* @{
*/
/** @file
* Generic command line arguments parsing functions.
*/
#ifndef __NET_APP_PARSE__
#define __NET_APP_PARSE__
/** Prints the parameter unrecognized message and the application help.
* @param[in] index The index of the parameter.
* @param[in] parameter The parameter name.
*/
void print_unrecognized( int index, const char * parameter );
/** Parses the next parameter as an integral number.
* The actual parameter is pointed by the index.
* Parses the offseted actual parameter value if the offset is set or the next one if not.
* @param[in] argc The total number of the parameters.
* @param[in] argv The parameters.
* @param[in,out] index The actual parameter index. The index is incremented by the number of processed parameters.
* @param[out] value The parsed parameter value.
* @param[in] name The parameter name to be printed on errors.
* @param[in] offset The value offset in the actual parameter. If not set, the next parameter is parsed instead.
* @returns EOK on success.
* @returns EINVAL if the parameter is missing.
* @returns EINVAL if the parameter is in wrong format.
*/
int parse_parameter_int( int argc, char ** argv, int * index, int * value, const char * name, int offset );
/** Parses the next parameter as a character string.
* The actual parameter is pointed by the index.
* Uses the offseted actual parameter value if the offset is set or the next one if not.
* Increments the actual index by the number of processed parameters.
* @param[in] argc The total number of the parameters.
* @param[in] argv The parameters.
* @param[in,out] index The actual parameter index. The index is incremented by the number of processed parameters.
* @param[out] value The parsed parameter value.
* @param[in] name The parameter name to be printed on errors.
* @param[in] offset The value offset in the actual parameter. If not set, the next parameter is parsed instead.
* @returns EOK on success.
* @returns EINVAL if the parameter is missing.
*/
int parse_parameter_string( int argc, char ** argv, int * index, char ** value, const char * name, int offset );
/** Parses the next named parameter as an integral number.
* The actual parameter is pointed by the index.
* Uses the offseted actual parameter if the offset is set or the next one if not.
* Translates the parameter using the parse_value function.
* Increments the actual index by the number of processed parameters.
* @param[in] argc The total number of the parameters.
* @param[in] argv The parameters.
* @param[in,out] index The actual parameter index. The index is incremented by the number of processed parameters.
* @param[out] value The parsed parameter value.
* @param[in] name The parameter name to be printed on errors.
* @param[in] offset The value offset in the actual parameter. If not set, the next parameter is parsed instead.
* @param[in] parse_value The translation function to parse the named value.
* @returns EOK on success.
* @returns EINVAL if the parameter is missing.
* @returns ENOENT if the parameter name has not been found.
*/
int parse_parameter_name_int( int argc, char ** argv, int * index, int * value, const char * name, int offset, int ( * parse_value )( const char * value ));
#endif
/** @}
*/