From 57a3b88e09a014c76aba338d6eca04be8bcb85bc Mon Sep 17 00:00:00 2001
From: Charles <sircharlesaze@gmail.com>
Date: Sun, 13 Oct 2019 10:45:02 +0200
Subject: Min width, zero filled, left adjusted

Conversion of arg in a string, the padding is computed based on the
length of the string.
---
 printer.c | 188 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 188 insertions(+)

(limited to 'printer.c')

diff --git a/printer.c b/printer.c
index 787cd0a..04f93d4 100644
--- a/printer.c
+++ b/printer.c
@@ -1,4 +1,6 @@
 #include <unistd.h>
+#include <stdlib.h>
+#include <stdarg.h>
 #include "header.h"
 
 void	ft_putchar(char c)
@@ -40,3 +42,189 @@ void	ft_putunbr(unsigned int n)
 		ft_putunbr(n / 10);
 	ft_putchar(n % 10 + '0');
 }
+
+int	nbrlen(int nbr)
+{
+	int				counter;
+	unsigned int	u_nbr;
+
+	if (nbr == 0)
+		return (1);
+	counter = 0;
+	u_nbr = nbr;
+	if (nbr < 0)
+	{
+		counter++;
+		u_nbr = -nbr;
+	}
+	while (u_nbr > 0)
+	{
+		u_nbr /= 10;
+		counter++;
+	}
+	return (counter);
+}
+
+char		*ft_itoa(int n)
+{
+	char			*str;
+	int				len;
+	int				is_negative;
+	unsigned int	u_nbr;
+
+	len = nbrlen(n);
+	if ((str = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+		return (NULL);
+	str[len] = '\0';
+	is_negative = 0;
+	u_nbr = n;
+	if (n < 0)
+	{
+		is_negative = 1;
+		str[0] = '-';
+		u_nbr = -n;
+	}
+	len--;
+	while (len >= (is_negative ? 1 : 0))
+	{
+		str[len] = u_nbr % 10 + '0';
+		u_nbr /= 10;
+		len--;
+	}
+	return (str);
+}
+
+char	*ft_strnew(int size)
+{
+	char	*str;
+
+	if ((str = (char*)malloc(sizeof(char) * (size + 1))) == NULL)
+		return (NULL);
+	str[size] = '\0';
+	while (size-- > 0)
+		str[size] = '\0';
+	return (str);
+}
+
+char	*ft_strdup(char *s)
+{
+	char	*clone;
+	size_t	i;
+	size_t	len;
+
+	len = ft_strlen(s);
+	if ((clone = (char*)malloc(sizeof(char) * (len + 1))) == NULL)
+		return (NULL);
+	i = 0;
+	while (i < len)
+	{
+		clone[i] = s[i];
+		i++;
+	}
+	clone[i] = '\0';
+	return (clone);
+}
+
+char	*ft_strcpy(char *dest, const char *src)
+{
+	int i;
+
+	i = 0;
+	while (src[i])
+	{
+		dest[i] = src[i];
+		i++;
+	}
+	dest[i] = '\0';
+	return (dest);
+}
+
+char	*convert_to_str(t_pformat *pformat, va_list ap)
+{
+	char	*str;
+	t_conversion conversion = pformat->conversion;
+
+	str = NULL;
+	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) */
+	/* { */
+	/* 	ft_putstr("0x"); */
+	/* 	PUTXNBR(va_arg(ap, long unsigned int)); */
+	/* } */
+	else if (conversion == CONVERSION_DECIMAL || conversion == CONVERSION_INT)
+		str = ft_itoa(va_arg(ap, int));
+	/* else if (conversion == CONVERSION_UINT) */
+	/* 	ft_putunbr(va_arg(ap, unsigned int)); */
+	/* else if (conversion == CONVERSION_HEX_LOWER) */
+	/* 	PUTXNBR(va_arg(ap, unsigned int)); */
+	/* else if (conversion == CONVERSION_HEX_UPPER) */
+	/* 	PUTXMAJNBR(va_arg(ap, unsigned int)); */
+	else if (conversion == CONVERSION_PERCENT)
+	{
+		if ((str = ft_strnew(2)) == NULL)
+			return (NULL);
+		str[0] = '%';
+	}
+	add_padding(pformat, str);
+	return (str);
+}
+
+void	add_padding(t_pformat *pformat, char *str)
+{
+	char	*tmp;
+	int		len;
+	int		i;
+
+	if (pformat->min_field_width == -1)
+		return;
+	if ((len = ft_strlen(str)) >= pformat->min_field_width)
+		return;
+	tmp = (char*)malloc(sizeof(char) * (pformat->min_field_width + 1));
+	if (!pformat->left_adjusted)
+	{
+		i = 0;
+		while (i <= pformat->min_field_width - 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_field_width)
+			tmp[i++] = ' ';
+		ft_strcpy(str, tmp);
+	}
+	free(tmp);
+}
+
+void	print_conversion(t_conversion conversion, va_list ap)
+{
+	if (conversion == CONVERSION_CHAR)
+		ft_putchar((char)va_arg(ap, int));
+	else if (conversion == CONVERSION_STR)
+		ft_putstr(va_arg(ap, char*));
+	else if (conversion == CONVERSION_PTR)
+	{
+		ft_putstr("0x");
+		PUTXNBR(va_arg(ap, long unsigned int));
+	}
+	else if (conversion == CONVERSION_DECIMAL || conversion == CONVERSION_INT)
+		ft_putnbr(va_arg(ap, int));
+	else if (conversion == CONVERSION_UINT)
+		ft_putunbr(va_arg(ap, unsigned int));
+	else if (conversion == CONVERSION_HEX_LOWER)
+		PUTXNBR(va_arg(ap, unsigned int));
+	else if (conversion == CONVERSION_HEX_UPPER)
+		PUTXMAJNBR(va_arg(ap, unsigned int));
+	else if (conversion == CONVERSION_PERCENT)
+		ft_putchar('%');
+}
-- 
cgit