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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* p_args_escape.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rbousset <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/14 17:19:27 by rbousset #+# #+# */
/* Updated: 2020/02/14 17:19:29 by rbousset ### ########lyon.fr */
/* */
/* ************************************************************************** */
#include <libft.h>
#include <stddef.h>
#include "d_define.h"
#include "u_utils.h"
static t_quote_mode
p_escape_squote(char *ptr, char **p, char word[], t_quote_mode mode)
{
if (mode == Q_NONE)
{
if (u_is_not_escaped(word, ptr) == TRUE)
{
(void)ft_memmove(word + (ptr - word), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*(p) -= 1;
return (Q_SINGLE);
}
else
{
return (Q_NONE);
}
}
else if (mode == Q_SINGLE)
{
(void)ft_memmove(word + (ptr - word), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*(p) -= 1;
return (Q_NONE);
}
return (mode);
}
static t_quote_mode
p_escape_dquote(char *ptr, char **p, char word[], t_quote_mode mode)
{
if (mode == Q_NONE)
{
if (u_is_not_escaped(word, ptr) == TRUE)
{
(void)ft_memmove(word + (ptr - word), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*(p) -= 1;
return (Q_DOUBLE);
}
else
{
return (Q_NONE);
}
}
else if (mode == Q_DOUBLE && u_is_not_escaped(word, ptr) == TRUE)
{
(void)ft_memmove(word + (ptr - word), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*(p) -= 1;
return (Q_NONE);
}
return (mode);
}
static void
p_escape_bs(char *ptr, char **p, 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));
*(p) -= 1;
}
else if (mode == Q_DOUBLE)
{
if (*(ptr + 1) == C_BACKS)
{
(void)ft_memmove(word + (ptr - word), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*(p) -= 1;
}
else if (*(ptr + 1) == C_DQUOTE)
{
(void)ft_memmove(word + (ptr - word), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*(p) -= 1;
}
}
}
static void
p_escape_arg(char word[])
{
char *ptr;
t_quote_mode mode;
ptr = word;
mode = Q_NONE;
while (*ptr != C_NUL)
{
if (*ptr == C_SQUOTE)
mode = p_escape_squote(ptr, &ptr, word, mode);
if (*ptr == C_DQUOTE)
mode = p_escape_dquote(ptr, &ptr, word, mode);
if (*ptr == C_BACKS)
p_escape_bs(ptr, &ptr, word, mode);
ptr++;
}
}
static void
p_replace_bs(char *ptr)
{
char *head;
head = ptr;
while (*ptr != C_NUL)
{
if (*ptr == C_SUB && *(ptr + 1) == C_SUB)
{
(void)ft_memmove(head + (ptr - head), ptr + 1,
(ft_strlen(ptr + 1) + 1) * sizeof(char));
*ptr = C_BACKS;
}
ptr++;
}
}
void
p_args_escape_chars_and_quotes(char *words[])
{
/* TODO: escape \ */
/* TODO: escape $# special vars */
/* TODO: comments ################ */
/* TODO: escape my life */
char **ptr;
ptr = words;
while (*ptr != NULL)
{
p_escape_arg(*ptr);
p_replace_bs(*ptr);
ptr++;
}
}
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