42/42_INT_03_ft_printf
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ecriture de la macro pour faire les tests, pas la partie detournement de stdout dans fichier

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Hugo LAMY
2020-02-25 16:44:32 +01:00
parent 0070661d1d
commit 0eb994b3aa
6 changed files with 213 additions and 206 deletions
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172
ft_printf.c
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@@ -1,167 +1,6 @@
#include "ft_printf.h"
/*
** -function that modify the string 'print' according to the precision flag :
** if length(s) < precision, add x '0' bfr nbr, but after '-' if negative
*/
char *precision_int(char *print, int precision)
{
int i;
char *tmp;
i = ft_strlen(print);
if (print[0] == '-')
precision++;
if (precision > i)
{
if (!(tmp = (char *)malloc(sizeof(char) * (precision + 1))))
return (NULL);
tmp[precision] = '\0';
if (print[0] == '-')
tmp[0] = '-';
while (i)
tmp[--precision] = print[--i];
if (print[0] == '-')
precision++;
while (precision)
tmp[--precision] = '0';
if (print[0] == '-')
tmp[0] = '-';
free(print);
print = tmp;
}
return (print);
}
/*
** -it first verify if there is a precision point, and if so, it execute a
** serie of action listed below, otherwise return print as it is
** ACTIONS :
** -look for a '.'
** -if followed by numbers, extract an int version of those numbers
** -if the '.' is alone, gives value '0' to the int
** -then removes the '.' and the numbers from the %string
** -if flag '0' is present in %string, removes it (actually turn each occurence
** in a '.')
** -and transform 'print' according to the precision :
** -1 if type is s: if length(s) > precision, removes end of 'print' to print
** only x chars, with x = precision
** -2 if type is "diouxX": call fonction 'precision_int' that return :
** if length(s) < precision, add x '0' bfr nbr, but after '-' if negative
** -3 if type is "aAeEfF": not covered
** -4 si type is "gG": not covered
** -5 else: error
*/
char *ft_precision(char *s, char *print, char *type)
{
char *tmp;
int precision;
int i;
if ((tmp = ft_strchr(s, '.')))
{
precision = ft_atoi(tmp + 1);
*tmp = '\0';
while (ft_strchr("#- +'0", *(++s)))
if (*s == '0')
*s = '.';
i = 0;
if (ft_strchr(type, 's'))
{
while (i < precision && print[i])
i++;
if (print[i])
print[i] = '\0';
}
if (ft_strchrset(type, "diouxX"))
print = precision_int(print, precision);
}
return (print);
}
/*
**
** if i = flag_w(s) | -width is caculated
** if flag_-(&s) | -if flag '-', rm '-' and width from s
** print = ft_rpadd() | -put extra width as ' ' to right,
** else if flag_0(&s) | -if flag '0', rm '0' and width from s
** print = ft_lpadd() | -put extra width as '0' to left
** else | -if just width
** print = ft_lpadd() | put extra width as ' ' to left
*/
char *ft_width(char *s, char *print)
{
char *tmp;
int i; ft_putstr("[");ft_putstr(s);ft_putstr("|");
tmp = s;
while (*tmp != '\0' && ft_strchr("%#- +'0.", *tmp))
tmp++;
i = ft_atoi(tmp); ft_putnbr(i);ft_putstr("|");
tmp[0] = '\0'; ft_putstr(s);ft_putstr("]");
if (i > ft_strlen(print))
{
if (!(tmp = (char *)malloc(sizeof(char) * (i + 1))))
return (NULL);
tmp[i] = '\0';
if (ft_strchr(s, '-'))
{
while (*print)
{
*tmp = *print;
tmp++;
print++;
i--;
}
while (i)
{
*tmp = ' ';
tmp++;
i--;
}
}
else if (ft_strchr(s, '0'))
{
i -= ft_strlen(print);
while (i)
{
*tmp = '0';
tmp++;
i--;
}
while (*print)
{
*tmp = *print;
tmp++;
print++;
}
}
else
{
i -= ft_strlen(print);
while (i)
{
*tmp = ' ';
tmp++;
i--;
}
while (*print)
{
*tmp = *print;
tmp++;
print++;
}
}
// ft_putstr(tmp);
print = tmp;
}
return (print);
}
/*
** FT_FLAG_TRANSFORM :
** if i = flag_p(&s) | -precision is calculated before width,
@@ -192,18 +31,9 @@ char *ft_width(char *s, char *print)
*/
char *ft_flag_transform(char *s, char *print, char *type)
{ ft_putstr("[");ft_putstr(s);ft_putstr("]");
{
print = ft_precision(s, print, type);
print = ft_width(s, print);
// if ((i = flag_w(s)))
// {
// if (flag_-(&s))
// print = ft_rpadd(i, print);
// else if (flag_0(&s))
// print = ft_lpadd(i, print, '0');
// else
// print = ft_lpadd(i, print, ' ');
// }
// if (flag_+(s)) //
// else if (flag_space(s)) //