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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_quotes.h"
/* ================= */
/* TODO: DELETE THIS */
/* ================= */
static void
p_print(char *words[])
{
char **ptr;
ptr = words;
while (*ptr != NULL)
{
ft_printf("[%s]\n", *ptr);
ptr++;
}
}
/* ================== */
/* TODO: DELETE ABOVE */
/* ================== */
static char
*p_skip_delim(char *ptr, char c)
{
ptr++;
if (*ptr == c)
return (++ptr);
while (*ptr != C_NULL && *ptr != c)
{
ptr++;
if (*ptr == c && c == C_DQUOTE)
{
if (*(ptr - 1) == C_BACKSLASH)
{
if (*(ptr - 2) != C_BACKSLASH)
ptr++;
}
}
}
if (*ptr != C_NULL)
ptr++;
return (ptr);
}
static int32_t
p_skip_clean_arg(const char *head,
char **ptr,
uint16_t argc,
size_t start[])
{
while (*(*ptr) != C_NULL && ft_iswhitespace(*(*ptr)) == FALSE)
{
(*ptr)++;
if ((*(*ptr) == C_SQUOTE || *(*ptr) == C_DQUOTE) &&
*(*ptr - 1) != C_BACKSLASH)
{
(*ptr) += 1;
return (p_count_args(head, *ptr, argc, start));
}
if (ft_iswhitespace(*(*ptr)) == TRUE && *(*ptr - 1) == C_BACKSLASH &&
*(*ptr - 2) != C_BACKSLASH)
{
(*ptr) += 1;
return (-1);
}
}
return (0);
}
uint16_t
p_count_args(const char *head, char *ptr, uint16_t argc, size_t start[])
{
static int32_t preset = -1;
if (*ptr == C_NULL)
return (argc);
while (*ptr != C_NULL && ft_iswhitespace(*ptr) == TRUE)
ptr++;
if (preset != argc)
start[argc] = ptr - head;
preset = argc;
if (*ptr != C_SQUOTE && *ptr != C_DQUOTE && *ptr != C_NULL)
{
if (p_skip_clean_arg(head, &ptr, argc, start) == -1)
argc -= 1;
}
else if (*ptr == C_SQUOTE || *ptr == C_DQUOTE)
{
ptr = p_skip_delim(ptr, *ptr);
if (*ptr == C_NULL)
return (argc += 1);
else if (ft_iswhitespace(*ptr) == FALSE)
return (p_count_args(head, ptr, argc, start));
}
else if (*ptr == C_NULL)
return (argc);
return (p_count_args(head, ptr, argc + 1, start));
/* TODO: quotes parse error */
}
static char
**p_split_words_no_rdr(const char word[])
{
char **words;
char *ptr;
size_t start[512];
uint16_t argc;
uint16_t to_del;
ptr = (char*)word;
argc = p_count_args(word, ptr, 0, start);
ft_printf("argc: %hu\n", argc);
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_print(words);
p_escape_chars(words);
p_args_quotes(words);
return (words);
}
char
**p_split_args(const char word[], int8_t redir)
{
char **words;
words = NULL;
ft_printf("word at start: [%s]\n", word);
if (redir == 0)
{
if ((words = p_split_words_no_rdr(word)) == NULL)
return (NULL);
p_print(words);
exit(0);
return (words);
}
p_print(words);
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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