push_swap/checker.c at main · LuisPM24/push_swap · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   checker.c                                          :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: scamlett <scamlett@student.42malaga.com    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/05/24 16:45:44 by lupalomi          #+#    #+#             */
/*   Updated: 2026/05/24 19:35:36 by scamlett         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "push_swap.h"

static int	is_command(char *line)
{
	if (ft_strcmp(line, "sa\n") == 0 || ft_strcmp(line, "sb\n") == 0
		|| ft_strcmp(line, "ss\n") == 0 || ft_strcmp(line, "pa\n") == 0
		|| ft_strcmp(line, "pb\n") == 0 || ft_strcmp(line, "ra\n") == 0
		|| ft_strcmp(line, "rb\n") == 0 || ft_strcmp(line, "rr\n") == 0
		|| ft_strcmp(line, "rra\n") == 0 || ft_strcmp(line, "rrb\n") == 0
		|| ft_strcmp(line, "rrr\n") == 0)
		return (1);
	return (0);
}

static void	do_command(char *line, t_stack *stack_a, t_stack *stack_b)
{
	if (ft_strcmp(line, "sa\n") == 0)
		sa(stack_a);
	else if (ft_strcmp(line, "sb\n") == 0)
		sb(stack_b);
	else if (ft_strcmp(line, "ss\n") == 0)
		ss(stack_a, stack_b);
	else if (ft_strcmp(line, "pa\n") == 0)
		pa(stack_a, stack_b);
	else if (ft_strcmp(line, "pb\n") == 0)
		pb(stack_a, stack_b);
	else if (ft_strcmp(line, "ra\n") == 0)
		ra(stack_a);
	else if (ft_strcmp(line, "rb\n") == 0)
		rb(stack_b);
	else if (ft_strcmp(line, "rr\n") == 0)
		rr(stack_a, stack_b);
	else if (ft_strcmp(line, "rra\n") == 0)
		rra(stack_a);
	else if (ft_strcmp(line, "rrb\n") == 0)
		rrb(stack_b);
	else if (ft_strcmp(line, "rrr\n") == 0)
		rrr(stack_a, stack_b);
}

// Handles argument parsing for the checker. Splits numbers with spaces.
static char	**checker_args(int argc, char **argv)
{
	if (argc == 2)
		return (ft_split(argv[1], ' '));
	else
		return (&argv[1]);
}

// Reads commands from stdin, executes and checks if sorted.
static void	checker_algorithm(t_stack *stack_a, t_stack *stack_b)
{
	char	*line;

	line = get_next_line(0);
	while (line)
	{
		if (!is_command(line))
		{
			free_stack(stack_b);
			print_error(stack_a);
		}
		do_command(line, stack_a, stack_b);
		free(line);
		line = get_next_line(0);
	}
	if (disorder(stack_a) > 0 || stack_b->head != NULL)
		ft_printf("KO\n");
	else
		ft_printf("OK\n");
}

// Main function: Parses arguments, initializes stacks,
// starts the sorting algorithm, and cleans memory.
int	main(int argc, char **argv)
{
	t_stack	*stack_a;
	t_stack	*stack_b;
	char	**args;

	if (argc < 2)
		return (0);
	stack_a = init_stack('a');
	stack_a->printable = 0;
	args = checker_args(argc, argv);
	if (!validate_args(args, stack_a))
	{
		fsin(argc, argv, args);
		print_error(stack_a);
	}
	stack_b = init_stack('b');
	stack_b->printable = 0;
	checker_algorithm(stack_a, stack_b);
	fsin(argc, argv, args);
	free_stack(stack_a);
	free_stack(stack_b);
	return (0);
}