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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 <stdint.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);
}
static uint16_t
p_count_args(const char word[], size_t start[])
{
char *ptr;
t_quote_mode mode;
uint16_t count;
ptr = (char *)word;
mode = Q_NONE;
count = 1;
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) &&
p_meet_whitespace((char*)word, ptr, mode) == TRUE)
{
ptr = p_skip_whitespace(ptr);
start[count] = (ptr - word);
if (*ptr != C_NUL)
count += 1;
ptr -= 1;
}
ptr++;
}
return (count);
/* TODO: quotes parse error */
}
static char
**p_split_words_no_rdr(const char word[])
{
char **words;
size_t start[512];
uint16_t argc;
uint16_t to_del;
argc = p_count_args(word, start);
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);
}
char
**p_split_args(char word[], int8_t redir)
{
char **words;
size_t i;
words = NULL;
if (redir == 0)
{
if ((words = p_split_words_no_rdr(word)) == NULL)
return (NULL);
return (words);
}
i = ft_strlen(word);
while (ft_ischarset("<>", word[i]) == FALSE)
i--;
i--;
while (redir > 0 && ft_isdigit(word[i]) == TRUE)
i--;
word[i] = C_NUL;
if ((words = p_split_words_no_rdr(word)) == NULL)
return (NULL);
return (words);
/* char **words; */
/* char *subst; */
/* size_t i; */
/* if (redir == 0) */
/* { */
/* if (!(words = ft_split(word, ' '))) */
/* return (NULL); */
/* return (words); */
/* } */
/* i = 0; */
/* while (word[i] && ft_ischarset("<>", word[i]) == FALSE) */
/* i++; */
/* while (redir > 0 && ft_isdigit(word[i]) == TRUE) */
/* i--; */
/* if (!(subst = ft_substr(word, 0, i))) */
/* return (NULL); */
/* if (!(words = ft_split(subst, ' '))) */
/* { */
/* ft_memdel((void*)&subst); */
/* return (NULL); */
/* } */
/* ft_memdel((void*)&subst); */
/* return (words); */
}
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