/*
 * Copyright (c) 2019 Stefan Strobel <stefan.strobel@shimatta.net>
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

/**
 * @file    shellmatta_opt.c
 * @brief   option parser implementation of the shellmatta
 * @author  Stefan Strobel <stefan.strobel@shimatta.net>
 */

/**
 * @addtogroup shellmatta_opt
 * @{
 */

#include "shellmatta_opt.h"
#include "shellmatta_utils.h"
#include "shellmatta.h"
#include <string.h>

/**
 * @brief       scans the current input and parses options in getopt style
 * @param[in]   handle          shellmatta handle
 * @param[in]   optionString    option string e.g. "cd:e::"
 * @param[out]  option          pointer to store the detected option to
 * @param[out]  argument        pointer to store the argument string to (can be NULL)
 * @param[out]  argLen          pointer to store the argument lengh to (can be NULL)
 */
shellmatta_retCode_t shellmatta_opt(        shellmatta_handle_t handle,
                                            char                *optionString,
                                            char                *option,
                                            char                **argument,
                                            uint32_t            *argLen)
{
    shellmatta_retCode_t    ret     = SHELLMATTA_USE_FAULT;
    shellmatta_instance_t   *inst   = (shellmatta_instance_t*)handle;

    /** -# check parameters for plausibility  */
    if(     (NULL               != inst)
        &&  (SHELLMATTA_MAGIC   == inst->magic)
        &&  (NULL               != optionString)
        &&  (NULL               != option))
    {
        
    }

    (void)argument;
    (void)argLen;

    return ret;
}

/**
 * @brief       scans the current input and parses options in getopt_long style
 * @param[in]   handle          shellmatta handle
 * @param[in]   longOptions     option structure - pointer to array of type #shellmatta_opt_long_t
 * @param[out]  option          pointer to store the detected option to
 * @param[out]  argument        pointer to store the argument string to (can be NULL)
 * @param[out]  argLen          pointer to store the argument lengh to (can be NULL)
 */
shellmatta_retCode_t shellmatta_opt_long(   shellmatta_handle_t     handle,
                                            shellmatta_opt_long_t   *longOptions,
                                            char                    *option,
                                            char                    **argument,
                                            uint32_t                *argLen)
{
    shellmatta_retCode_t    ret     = SHELLMATTA_USE_FAULT;
    shellmatta_instance_t   *inst   = (shellmatta_instance_t*)handle;

    /** -# check parameters for plausibility  */
    if(     (NULL               != inst)
        &&  (SHELLMATTA_MAGIC   == inst->magic)
        &&  (NULL               != longOptions)
        &&  (NULL               != option))
    {
        
    }

    (void)argument;
    (void)argLen;

    return ret;
}

/**
 * @brief           initializes the option parser instance
 * @param[in, out]  inst    pointer to a shellmatta instance
 */
shellmatta_retCode_t shellmatta_opt_init(shellmatta_instance_t *inst)
{
    /*! -# initialize all relevant option parser variables */
    inst->optionParser.offset = 0u;

    return SHELLMATTA_OK;
}

/**
 * @}
 */