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#include <unistd.h>
#include <stdlib.h>
#include <stdarg.h>
#include "header.h"
#define ITOA_DEC(x) (ft_itoa_base(x, "0123456789"))
#define ITOA_HEX_LOWER(x) (ft_itoa_base(x, "0123456789abcdef"))
#define ITOA_HEX_UPPER(x) (ft_itoa_base(x, "0123456789ABCDEF"))
void ft_putstr(char *str)
{
while (*str)
write(STDOUT_FILENO, str++, 1);
}
char *convert_to_str(t_pformat *pformat, va_list ap)
{
char *str;
t_conversion conversion = pformat->conversion;
str = NULL;
if (pformat->min_width.wildcard.exist)
{
pformat->min_width.value = va_arg(ap, int);
if (pformat->min_width.value < 0)
{
pformat->left_adjusted = TRUE;
pformat->min_width.value *= -1;
}
}
if (pformat->precision.wildcard.exist)
pformat->precision.value = va_arg(ap, int);
if (conversion == CONVERSION_CHAR)
{
if ((str = ft_strnew(2)) == NULL)
return (NULL);
str[0] = (char)va_arg(ap, int);
}
else if (conversion == CONVERSION_STR)
str = ft_strdup(va_arg(ap, char*));
else if (conversion == CONVERSION_PTR)
{
// handle 0x with and without zero padding
ft_putstr("0x");
str = ft_strnew(2);
str[0] = 'b';
str[1] = 0;
str = ITOA_HEX_LOWER((long int)va_arg(ap, void*));
}
else if (conversion == CONVERSION_DECIMAL || conversion == CONVERSION_INT)
str = ITOA_DEC(va_arg(ap, int));
else if (conversion == CONVERSION_UINT)
str = ITOA_DEC(va_arg(ap, unsigned int));
else if (conversion == CONVERSION_HEX_LOWER)
str = ITOA_HEX_LOWER(va_arg(ap, unsigned int));
else if (conversion == CONVERSION_HEX_UPPER)
str = ITOA_HEX_UPPER(va_arg(ap, unsigned int));
else if (conversion == CONVERSION_PERCENT)
{
if ((str = ft_strnew(2)) == NULL)
return (NULL);
str[0] = '%';
}
handle_precision(pformat, str);
handle_padding(pformat, str);
return (str);
}
void handle_padding(t_pformat *pformat, char *str)
{
char *tmp;
int len;
int i;
if (pformat->min_width.value == -1)
return;
if ((len = ft_strlen(str)) >= pformat->min_width.value)
return;
tmp = (char*)malloc(sizeof(char) * (pformat->min_width.value + 1));
if (!pformat->left_adjusted)
{
i = 0;
while (i <= pformat->min_width.value - len)
tmp[i++] = pformat->zero_padding ? '0' : ' ';
ft_strcpy(tmp + i - 1, str);
ft_strcpy(str, tmp);
}
else
{
ft_strcpy(tmp, str);
i = len;
while (i < pformat->min_width.value)
tmp[i++] = ' ';
ft_strcpy(str, tmp);
}
free(tmp);
}
/* #include <stdio.h> */
void handle_precision(t_pformat *pformat, char *str)
{
int len;
char *tmp;
t_conversion conv;
/* printf("\n%d\n", pformat->precision.value); */
if (pformat->precision.value == -1)
return ;
len = ft_strlen(str);
conv = pformat->conversion;
if (conv == CONVERSION_STR)
str[pformat->precision.value] = '\0';
else if (conv == CONVERSION_DECIMAL || conv == CONVERSION_INT
|| conv == CONVERSION_UINT || conv == CONVERSION_HEX_LOWER
|| conv == CONVERSION_HEX_UPPER)
{
if (len >= pformat->precision.value)
return ;
tmp = (char*)malloc(sizeof(char) * (pformat->precision.value + 1));
ft_strcpy(tmp + pformat->precision.value - len, str);
/* printf("\n>%s< %d %d\n", str, len, pformat->precision); */
pformat->precision.value -= len;
while (pformat->precision.value-- > 0)
tmp[pformat->precision.value] = '0';
ft_strcpy(str, tmp);
free(tmp);
}
}
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