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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_convert_base.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2019/07/08 16:16:53 by cacharle #+# #+# */
/* Updated: 2019/07/10 06:37:09 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
int check_base(char *base)
{
int i;
int j;
i = 0;
while (base[i])
{
if (base[i] == '-' || base[i] == '+' || base[i] == ' '
|| base[i] == '\t' || base[i] == '\n' || base[i] == '\v'
|| base[i] == '\f' || base[i] == '\r')
return (0);
j = 0;
while (base[j])
{
if (j != i && base[j] == base[i])
return (0);
j++;
}
i++;
}
if (i < 2)
return (0);
return (1);
}
int ft_pow(int base, int exponent)
{
int accumulator;
accumulator = 1;
while (exponent-- > 0)
accumulator *= base;
return (accumulator);
}
int position_in_base(char digit, char *base)
{
int i;
i = 0;
while (base[i] != digit)
i++;
return (i);
}
// CHECK THE STR NOT JUST THE BASE (you idiot)
int ft_atoi_base(char *str, char *base)
{
int radix;
int i;
int j;
int nb;
if (!check_base(base))
return (0);
nb = 0;
radix = 0;
while (base[radix])
radix++;
i = 0;
while (str[i])
i++;
j = 0;
while (--i >= 0)
{
nb += ft_pow(radix, i) * position_in_base(str[j], base);
j++;
}
return (nb);
}
int some_strlen(char *str)
{
int counter;
counter = 0;
while (str[counter])
counter++;
return (counter);
}
char *to_base(int nbr, char *base)
{
int radix;
int i;
unsigned int nbu;
char rev_digits[1024];
char *ret;
int j;
int is_negative;
/*if (!check_base(base))*/
/*return (NULL);*/
radix = some_strlen(base);
nbu = nbr;
is_negative = 0;
if (nbr < 0)
{
is_negative = 1;
nbu = -nbr;
}
i = 0;
printf("%d %s %d\n", radix, base, nbr);
while (nbu > 0)
{
printf("%u\n", nbu % radix);
rev_digits[i] = base[nbu % radix];
nbu /= radix;
i++;
}
ret = malloc(sizeof(char) * i + (is_negative ? 1 : 0));
j = 0;
if (is_negative)
{
ret[0] = '-';
j++;
}
while (i-- > 0)
ret[j++] = rev_digits[i];
ret[j] = '\0';
for (int i = 0; i < 4; i++)
printf("%c ", rev_digits[i]);
printf("\n");
for (int i = 0; i < 4; i++)
printf("%c ", ret[i]);
printf("\n");
return (ret);
}
char *ft_convert_base(char *nbr, char *base_from, char *base_to)
{
int converted_nb;
int nb;
return NULL;
}
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