/**
* argparser – command line argument parser library
*
* Copyright © 2013 Mattias Andrée (maandree@member.fsf.org)
*
* This library 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
/**
* Option structure
*/
typedef struct
{
/**
* The type of the option, either of: `ARGUMENTLESS`, `ARGUMENTED`, `VARIADIC`
*/
long type;
/**
* Alterative option names
*/
char** alternatives;
/**
* Number of elements in `alternatives`
*/
long alternatives_count;
/**
* Standard option name
*/
char* standard;
/**
* Argument name, not for argumentless options
*/
char* argument;
/**
* Help text, multi-line
*/
char* help;
} args_Option;
/**
* char* to void* map structure
*/
typedef struct
{
/**
* Available keys
*/
char** keys;
/**
* The number of available keys
*/
long key_count;
/**
* Indefinite depth array with 17 elements per level, the last being the value at the position
*/
void** data;
} args_Map;
/**
* Array with associated length
*/
typedef struct
{
/**
* The values
*/
void** values;
/**
* The length of `values`
*/
long count;
} args_Array;
/**
* The name of the executed command
*/
char* args_program;
/**
* Short, single-line, description of the program
*/
char* args_description;
/**
* Formated, multi-line, usage text, `null` if none
*/
char* args_usage;
/**
* Long, multi-line, description of the program, `null` if none
*/
char* args_longdescription;
/**
* The error output stream
*/
FILE* args_out;
/**
* The passed arguments
*/
char** args_arguments;
/**
* The number of passed arguments
*/
long args_arguments_count;
/**
* The number of unrecognised arguments
*/
long args_unrecognised_count;
/**
* The concatination of `files` with blankspaces as delimiters, `null` if no files
*/
char* args_message;
/**
* The arguments passed that is not tied to an option
*/
char** args_files;
/**
* The number of elements in `args_files`
*/
long args_files_count;