codexion/parser.c at main · codebit-hub/codexion · 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
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/* ************************************************************************** */
/*																			*/
/*														:::	  ::::::::   */
/*   parser.c										   :+:	  :+:	:+:   */
/*													+:+ +:+		 +:+	 */
/*   By: dporhomo <dporhomo@student.42prague.com	+#+  +:+	   +#+		*/
/*												+#+#+#+#+#+   +#+		   */
/*   Created: 2026/06/02 16:22:09 by dporhomo		  #+#	#+#			 */
/*   Updated: 2026/06/11 12:36:51 by dporhomo		 ###   ########.fr	   */
/*																			*/
/* ************************************************************************** */

/* Parses the CLI input string, validates it and sets up the prog variables*/

#include "codexion.h"

static int	validate_number(char *str)
{
	long long	res;
	int			i;

	i = 0;
	res = 0;
	if (str[i] == '+')
		i++;
	if (!str[i])
		return (0);
	while (str[i])
	{
		if (str[i] < '0' || str[i] > '9')
			return (0);
		res = res * 10 + (str[i] - '0');
		if (res > 2147483647)
			return (0);
		i++;
	}
	return (1);
}

static char	*join_args(int argc, char **argv)
{
	int		i;
	int		j;
	int		len;
	char	*str;

	len = 0;
	i = 1;
	while (i < argc)
		len += strlen(argv[i++]) + 1;
	str = malloc(len + 1);
	if (!str)
		return (NULL);
	memset(str, 0, len + 1);
	i = 1;
	len = 0;
	while (i < argc)
	{
		j = 0;
		while (argv[i][j])
			str[len++] = argv[i][j++];
		str[len++] = ' ';
		i++;
	}
	return (str);
}

static int	extract_tokens(char *str, char **tokens)
{
	int	count;
	int	in_word;

	count = 0;
	in_word = 0;
	while (*str)
	{
		if (*str == ' ' || *str == '\t')
		{
			*str = '\0';
			in_word = 0;
		}
		else if (!in_word)
		{
			if (count >= 8)
				return (-1);
			tokens[count++] = str;
			in_word = 1;
		}
		str++;
	}
	return (count);
}

static int	validate_and_populate(char **tokens, t_program *prog)
{
	int	i;

	i = -1;
	while (++i < 7)
	{
		if (!validate_number(tokens[i]))
			return (0);
	}
	prog->num_coders = atoi(tokens[0]);
	if (prog->num_coders <= 0)
		return (0);
	prog->t_burnout = atoi(tokens[1]);
	prog->t_compile = atoi(tokens[2]);
	prog->t_debug = atoi(tokens[3]);
	prog->t_refactor = atoi(tokens[4]);
	prog->req_compiles = atoi(tokens[5]);
	prog->cooldown = atoi(tokens[6]);
	if (strcmp(tokens[7], "fifo") == 0)
		prog->is_edf = 0;
	else if (strcmp(tokens[7], "edf") == 0)
		prog->is_edf = 1;
	else
		return (0);
	return (1);
}

int	parse_input(int argc, char **argv, t_program *prog)
{
	char	*joined;
	char	*tokens[8];
	int		status;

	if (argc < 2)
		return (0);
	joined = join_args(argc, argv);
	if (!joined)
		return (0);
	if (extract_tokens(joined, tokens) != 8)
	{
		free(joined);
		return (0);
	}
	status = validate_and_populate(tokens, prog);
	free(joined);
	return (status);
}