42-CommonCore_10.2024_Libft/ft_split.c at main · MaximeJC/42-CommonCore_10.2024_Libft · GitHub

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#include "libft.h"

static int	ft_getnbstr(char const *s, char c);
static int	ft_settabstr(char const *s, char c, char **tab_str, int *i);
static int	ft_getstrlen(char const *s, char c, int j);

char	**ft_split(char const *s, char c)
{
	char	**tab_str;
	int		nb_str;
	int		params[2];

	params[0] = 0;
	params[1] = 0;
	nb_str = ft_getnbstr(s, c);
	tab_str = malloc(sizeof(char *) * (nb_str + 1));
	if (tab_str == NULL)
		return (NULL);
	while (params[0] < nb_str)
	{
		if (ft_settabstr(s, c, tab_str, params))
			return (NULL);
		params[0]++;
	}
	tab_str[params[0]] = NULL;
	return (tab_str);
}

static int	ft_getnbstr(char const *s, char c)
{
	int	i;
	int	nb;

	i = 0;
	if (s[0] == '\0')
		return (0);
	while (s[i] == c)
		i++;
	if (s[i] == '\0')
		return (0);
	nb = 1;
	while (s[i])
	{
		if (s[i] == c && s[i + 1] != '\0' && s[i + 1] != c)
			nb++;
		i++;
	}
	return (nb);
}

static int	ft_getstrlen(char const *s, char c, int j)
{
	int	i;

	i = 0;
	while (s[i + j] != c && s[i + j] != '\0')
		i++;
	return (i);
}

static int	ft_settabstr(char const *s, char c, char **tab_str, int *params)
{
	int	k;

	k = 0;
	while (s[params[1]] == c)
		params[1]++;
	tab_str[params[0]] = malloc(ft_getstrlen(s, c, params[1]) + 1);
	if (tab_str[params[0]] == NULL)
	{
		while (params[0]-- > 0)
			free(tab_str[params[0]]);
		free(tab_str);
		return (1);
	}
	while (s[params[1]] != c && s[params[1]] != '\0')
	{
		tab_str[params[0]][k] = s[params[1]];
		params[1]++;
		k++;
	}
	tab_str[params[0]][k] = '\0';
	return (0);
}