pwla_template.def

/* -*- mode: c -*- */

#include "pwla.h"

#include <stdio.h>

#include "ate_handle.h"
#include "ate_utilities.h"
#include "ate_errors.h"

#include "word_list_stack.h"

/**
 * @brief FAKE ACTION template
 */
int pwla_template(ARG_LIST *alist)
{
   const char *handle_name = NULL;
   const char *value_name = NULL;
   const char *array_name = NULL;
   const char *start_row_str = NULL;

   ARG_TARGET template_targets[] = {
      { "handle_name", AL_ARG, &handle_name},
      { "v",           AL_OPT, &value_name},
      { "a",           AL_OPT, &array_name},
      { "-s",          AL_ARG, &start_row_str},
      { NULL }
   };

   int retval;

   if ((retval = process_word_list_args(template_targets, alist, 0)))
       goto early_exit;

   // Gotta do this (with a couple of exceptions):
   // get the handle variable
   SHELL_VAR *handle_var;
   if ((retval = get_handle_var_by_name_or_fail(&handle_var,
                                                handle_name,
                                                "template")))
      goto early_exit;

   // For actions that return a discrete (single) value
   SHELL_VAR *value_var;
   if ((retval = create_var_by_given_or_default_name(&value_var,
                                                     value_name,
                                                     DEFAULT_VALUE_NAME,
                                                     "template")))
      goto early_exit;

   // For actions that return an array value
   SHELL_VAR *array_var;
   if ((retval = create_array_var_by_given_or_default_name(&array_var,
                                                           array_name,
                                                           DEFAULT_ARRAY_NAME,
                                                           "template")))
      goto early_exit;

   retval = EX_USAGE;

   // For actions that use a number-valued argument
   int start_row = -1;
   if (get_int_from_string(&start_row, start_row_str))
   {
      // validate the number
   }
   else
   {
      ate_register_not_an_int(start_row_str, "template");
      goto early_exit;
   }

   // For actions that create an array for callback functions
   SHELL_VAR *new_array = NULL;
   if ((retval = create_array_var_by_stem(&new_array, "ATE_USER_ARRAY_", "template")))
      goto early_exit;

   // Use the values aquired above

  early_exit:
   return retval;
}