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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* input_handling.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dkaiser <dkaiser@student.42heilbronn.de +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/04/12 17:31:49 by dkaiser #+# #+# */
/* Updated: 2024/04/12 18:49:38 by dkaiser ### ########.fr */
/* */
/* ************************************************************************** */
#include "push_swap.h"
static int is_nbr(char *str)
{
if (*str == '-')
str++;
while (*str)
{
if (ft_isdigit(*str))
str++;
else
return (0);
}
return (1);
}
static int is_input_only_nbrs(int argc, char *argv[])
{
while (argc-- > 1)
{
if (!is_nbr(argv[argc]))
return (0);
}
return (1);
}
static int are_numbers_unique(t_list *stack)
{
t_list *cmp_elem;
while (stack->next)
{
cmp_elem = stack->next;
while (cmp_elem->next)
{
if (*(int *)stack->content == *(int *)cmp_elem->content)
return (0);
cmp_elem = cmp_elem->next;
}
stack = stack->next;
}
return (1);
}
static t_list *get_stack_from_input(int argc, char *argv[])
{
t_list *result;
t_list *cur;
int *content;
result = NULL;
while (argc-- > 1)
{
content = malloc(sizeof(int));
if (content)
{
*content = ft_atoi(argv[argc]);
cur = ft_lstnew(content);
if (cur)
{
ft_lstadd_front(&result, cur);
continue ;
}
free(content);
}
ft_lstclear(&result, free);
return (NULL);
}
return (result);
}
t_list *create_stack(int argc, char *argv[])
{
t_list *result;
if (!is_input_only_nbrs(argc, argv))
return (NULL);
result = get_stack_from_input(argc, argv);
if (!result)
return (NULL);
if (!are_numbers_unique(result))
ft_lstclear(&result, free);
return (result);
}
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