Fuck shell

1 files changed, 90 insertions, 1 deletions

diff --git a/src/p_args_escape.c b/src/p_args_escape.c
index 2a3a702..182ef2f 100644
--- a/src/p_args_escape.c
+++ b/src/p_args_escape.c
@@ -10,18 +10,105 @@
 /*                                                                            */
 /* ************************************************************************** */
 
+#include <libft.h>
 #include <stddef.h>
 
 #include "d_define.h"
+#include "u_utils.h"
+
+static t_quote_mode
+	p_escape_squote(char *ptr, char word[], t_quote_mode mode)
+{
+	if (mode == Q_NONE)
+	{
+		(void)ft_memmove(word + (ptr - word), ptr + 1,
+			(ft_strlen(ptr + 1) + 1) * sizeof(char));
+		return (Q_SINGLE);
+	}
+	else if (mode == Q_SINGLE)
+	{
+		(void)ft_memmove(word + (ptr - word), ptr + 1,
+			(ft_strlen(ptr + 1) + 1) * sizeof(char));
+		return (Q_NONE);
+	}
+	return (mode);
+}
+
+static t_quote_mode
+	p_escape_dquote(char *ptr, char word[], t_quote_mode mode)
+{
+	if (mode == Q_NONE)
+	{
+		if (u_is_true_quote(word, ptr) == TRUE)
+		{
+			(void)ft_memmove(word + (ptr - word), ptr + 1,
+				(ft_strlen(ptr + 1) + 1) * sizeof(char));
+		}
+		return (Q_DOUBLE);
+	}
+	else if (mode == Q_DOUBLE)
+	{
+		if (u_is_true_quote(word, ptr) == TRUE)
+		{
+			(void)ft_memmove(word + (ptr - word), ptr + 1,
+				(ft_strlen(ptr + 1) + 1) * sizeof(char));
+		}
+		return (Q_NONE);
+	}
+	return (mode);
+}
+
+static void
+	p_escape_bs(char *ptr, char word[], t_quote_mode mode)
+{
+	if (mode == Q_NONE)
+	{
+		(void)ft_memmove(word + (ptr - word), ptr + 1,
+			(ft_strlen(ptr + 1) + 1) * sizeof(char));
+	}
+	else if (mode == Q_DOUBLE)
+	{
+		if (*(ptr + 1) == C_BS)
+		{
+			(void)ft_memmove(word + (ptr - word), ptr + 1,
+				(ft_strlen(ptr + 1) + 1) * sizeof(char));
+			*(word + (ptr - word)) = 26;
+		}
+		else if (*(ptr + 1) == C_DQUOTE)
+		{
+			(void)ft_memmove(word + (ptr - word), ptr + 1,
+				(ft_strlen(ptr + 1) + 1) * sizeof(char));
+		}
+	}
+}
 
 static void
-	p_escape_arg(char *ptr)
+	p_escape_arg(char word[])
 {
+	char			*ptr;
 	t_quote_mode	mode;
 
+	ptr = word;
 	mode = Q_NONE;
 	while (*ptr != C_NULL)
 	{
+		if (*ptr == C_SQUOTE)
+			mode = p_escape_squote(ptr, word, mode);
+		else if (*ptr == C_DQUOTE)
+			mode = p_escape_dquote(ptr, word, mode);
+		if (*ptr == C_BS)
+			p_escape_bs(ptr, word, mode);
+		ptr++;
+	}
+}
+
+static void
+	p_replace_bs(char *ptr)
+{
+	while (*ptr != C_NULL)
+	{
+		if (*ptr == 26)
+			*ptr = C_BS;
 		ptr++;
 	}
 }
@@ -32,12 +119,14 @@ void
 	/* TODO: escape \ */
 	/* TODO: escape $# special vars */
 	/* TODO: escape my life */
+	/* TODO: comments */
 	char	**ptr;
 
 	ptr = words;
 	while (*ptr != NULL)
 	{
 		p_escape_arg(*ptr);
+		p_replace_bs(*ptr);
 		ptr++;
 	}
 }