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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* p_args.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 <stdlib.h>
#include "d_define.h"
#include "p_args.h"
#include "p_args_next.h"
#include "p_args_escape.h"
#include "u_parse.h"
#include "u_utils.h"
static void p_meet_bs(char *ptr, t_quote_mode mode)
{
if (mode != Q_SINGLE)
{
if (*(ptr + 1) == C_BACKS)
{
*ptr = C_SUB;
*(ptr + 1) = C_SUB;
}
}
}
static t_bool p_meet_whitespace(char *head,
char *ptr,
t_quote_mode mode)
{
if (mode == Q_NONE && u_is_not_escaped(head, ptr) == TRUE)
{
return (TRUE);
}
return (FALSE);
}
static char *p_skip_whitespace(char *ptr)
{
while (*ptr != C_NUL && ft_iswhitespace(*ptr))
ptr++;
return (ptr);
}
/*
** TODO: quotes parse error
*/
static unsigned short p_count_args(const char word[],
size_t start[],
unsigned short count,
t_quote_mode mode)
{
char *ptr;
ptr = (char *)word;
ptr = p_skip_whitespace(ptr);
start[0] = (ptr - word);
while (*ptr != C_NUL)
{
if (*ptr == C_BACKS)
p_meet_bs(ptr, mode);
if (*ptr == C_DQUOTE)
mode = u_meet_dquote(word, ptr, mode);
else if (*ptr == C_SQUOTE)
mode = u_meet_squote(word, ptr, mode);
if (ft_iswhitespace(*ptr) == TRUE
&& p_meet_whitespace((char*)word, ptr, mode) == TRUE)
{
ptr = p_skip_whitespace(ptr);
start[count] = (ptr - word);
count += (*ptr != C_NUL) ? (1) : (0);
ptr -= 1;
}
ptr++;
}
return (count);
}
char **p_split_args(char word[])
{
size_t start[512];
char **words;
unsigned short argc;
unsigned short to_del;
words = NULL;
argc = p_count_args(word, start, 1, Q_NONE);
if ((words = (char**)malloc((argc + 1) * sizeof(char*))) == NULL)
return (NULL);
words[argc] = NULL;
if ((to_del = p_dup_words(words, word, argc, start)) != argc)
{
p_del_alloced_words(words, to_del);
return (NULL);
}
p_args_escape_chars_and_quotes(words);
return (words);
}
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