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words_expansions() complete

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+ TODO : need refactoring and fix to valgrind invalid read size
+ redirections() WIP
+ Generic ft_dup_2d_arr(), ft_split_quotes(), ft_strdup_quotes()
+ shell_loop() continue on error
+ various small fix
This commit is contained in:
LuckyLaszlo
2021-11-14 00:09:42 +01:00
parent 86707f9fc6
commit 106af37b58
15 changed files with 653 additions and 51 deletions
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33
srcs/parsing/expansions/expand_token.c
View File

@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/07 02:01:33 by lperrey #+# #+# */
/* Updated: 2021/11/07 04:36:12 by lperrey ### ########.fr */
/* Updated: 2021/11/11 21:04:41 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -21,9 +21,9 @@ enum e_in_quote_state
IN_DQUOTES = '\"'
};
static t_list *ret_parameter_expansion(t_token *t, int *i);
static t_list *ret_parameter_expansion(char *content, int *i);
t_list *expand_token(t_token *t)
t_list *expand_token(char *content)
{
int in_quotes;
int i;
@@ -35,11 +35,11 @@ t_list *expand_token(t_token *t)
i = 0;
head.next = NULL;
expand = &head;
while (t->content[i])
while (content[i])
{
if (t->content[i] == '$')
if (content[i] == '$')
{
expand->next = ret_parameter_expansion(t, &i);
expand->next = ret_parameter_expansion(content, &i);
expand = expand->next;
if (!expand)
{//todo wrap
@@ -49,7 +49,7 @@ t_list *expand_token(t_token *t)
}
else
{
expand->next = ft_lstnew_generic(sizeof(t_list), ft_strlen(&t->content[i]) + 1);
expand->next = ft_lstnew_generic(sizeof(t_list), ft_strlen(&content[i]) + 1);
expand = expand->next;
i_exp = 0;
if (!expand)
@@ -57,17 +57,17 @@ t_list *expand_token(t_token *t)
perror("expand_token() error");
return (ft_lstclear(&head.next, free));
}
while (t->content[i] && (t->content[i] != '$' || in_quotes == IN_QUOTES))
while (content[i] && (content[i] != '$' || in_quotes == IN_QUOTES))
{
// quoting
if (t->content[i] == '\'' && in_quotes != IN_DQUOTES)
if (content[i] == '\'' && in_quotes != IN_DQUOTES)
{
if (in_quotes == IN_QUOTES)
in_quotes = 0;
else
in_quotes = IN_QUOTES;
}
((char *)expand->content)[i_exp++] = t->content[i++];
((char *)expand->content)[i_exp++] = content[i++];
}
}
}
@@ -76,35 +76,34 @@ t_list *expand_token(t_token *t)
// a voir si je retourne pas plutot un "char *".
// Malloc la lst dans la fonction est peut-être un peu superflu et pas super clair.
// et aussi changer "t_token *t" en "char *content", inutile d'avoir le token entier.
static t_list *ret_parameter_expansion(t_token *t, int *i)
static t_list *ret_parameter_expansion(char *content, int *i)
{
t_list *expand;
char *tmp;
int i_tmp;
tmp = ft_calloc(ft_strlen(&t->content[*i]) + 1, 1);
tmp = ft_calloc(ft_strlen(&content[*i]) + 1, 1);
if (!tmp)
return (NULL);
expand = ft_lstnew(NULL);
if (!expand)
return (ft_retp_free(NULL, tmp, free));
(*i)++; // skip '$'
if (t->content[*i] == '?')
if (content[*i] == '?')
{
(*i)++;
expand->content = ft_itoa(g_all->last_exit_status);
return (ft_retp_free(expand, tmp, free));
}
else if (t->content[*i] != '_' && !ft_isalpha(t->content[*i]))
else if (content[*i] != '_' && !ft_isalpha(content[*i]))
{
tmp[0] = '$';
expand->content = tmp;
return (expand);
}
i_tmp = 0;
while (t->content[*i] == '_' || ft_isalnum(t->content[*i]))
tmp[i_tmp++] = t->content[(*i)++];
while (content[*i] == '_' || ft_isalnum(content[*i]))
tmp[i_tmp++] = content[(*i)++];
expand->content = getenv(tmp);
free(tmp);
if (expand->content)

186
srcs/parsing/expansions/ft_split_quotes.c Normal file
View File

@@ -0,0 +1,186 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_split_quotes.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/13 07:08:40 by lperrey #+# #+# */
/* Updated: 2021/11/13 22:35:34 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
enum e_in_quote_state
{
NOT_IN = 0,
IN_QUOTES = '\'',
IN_DQUOTES = '\"'
};
static size_t count_word(char const *s, char c);
static char **alloc_words(char const *s, char c, char **str_arr,
size_t words_count);
static void fill_arr(char const *s, char c, char **str_arr);
static int quote_state_change(int *quote_state, const char *s);
char **ft_split_quotes(char const *s, char c)
{
char **str_arr;
size_t words_count;
if (s == NULL)
return (NULL);
words_count = count_word(s, c);
str_arr = ft_calloc(words_count + 1, sizeof(char *));
if (!str_arr)
return (NULL);
if (!(alloc_words(s, c, str_arr, words_count)))
{
ft_free_2d_arr(str_arr);
return (NULL);
}
fill_arr(s, c, str_arr);
return (str_arr);
}
static size_t count_word(char const *s, char c)
{
unsigned int i;
size_t count;
int quote_state;
i = 0;
count = 0;
quote_state = 0;
while (s[i])
{
while (s[i] == c)
i++;
if (s[i])
count++;
while (s[i] && (s[i] != c || quote_state))
{
while (quote_state_change(&quote_state, &s[i]))
i++;
if (s[i] != c || quote_state)
i++;
}
}
return (count);
}
static char **alloc_words(char const *s, char c, char **str_arr,
size_t words_count)
{
unsigned int i;
size_t len;
unsigned int arr_i;
int quote_state;
i = 0;
arr_i = 0;
quote_state = 0;
while (arr_i < words_count)
{
len = 0;
while (s[i] == c)
i++;
while (s[i + len]
&& (quote_state_change(&quote_state, &s[i + len])
|| (s[i + len] != c || quote_state)))
len++;
i = i + len;
str_arr[arr_i] = ft_calloc(len + 1, 1);
if (!str_arr[arr_i])
return (NULL);
arr_i++;
}
return (str_arr);
}
// Plus clair, plus de 25 lignes :(
/* static char **alloc_words(char const *s, char c, char **str_arr,
size_t words_count)
{
unsigned int i;
size_t len;
unsigned int arr_i;
int quote_state;
i = 0;
arr_i = 0;
quote_state = 0;
while (arr_i < words_count)
{
len = 0;
while (s[i] == c)
i++;
while (s[i + len] && (s[i + len] != c || quote_state))
{
while (quote_state_change(&quote_state, &s[i + len]))
len++;
if (s[i + len] != c || quote_state)
len++;
}
i = i + len;
str_arr[arr_i] = ft_calloc(len + 1, 1);
if (!str_arr[arr_i])
return (NULL);
arr_i++;
}
return (str_arr);
} */
static void fill_arr(char const *s, char c, char **str_arr)
{
unsigned int i;
unsigned int arr_i;
unsigned int char_i;
int quote_state;
i = 0;
arr_i = 0;
quote_state = 0;
while (str_arr[arr_i])
{
while (s[i] == c)
i++;
char_i = 0;
while (s[i] && (s[i] != c || quote_state))
{
while (quote_state_change(&quote_state, &s[i]))
str_arr[arr_i][char_i++] = s[i++];
if (s[i] != c || quote_state)
str_arr[arr_i][char_i++] = s[i++];
}
str_arr[arr_i][char_i] = '\0'; //superflu si ft_calloc
arr_i++;
}
}
static int quote_state_change(int *quote_state, const char *s)
{
if (s[0] == '\'' && *quote_state != IN_DQUOTES)
{
if (*quote_state == IN_QUOTES)
*quote_state = 0;
else if (ft_strchr(&s[1], '\'')) // if closed quotes
*quote_state = IN_QUOTES;
else
return (0);
return (1);
}
else if (s[0] == '\"' && *quote_state != IN_QUOTES)
{
if (*quote_state == IN_DQUOTES)
*quote_state = 0;
else if (ft_strchr(&s[1], '\"')) // if closed quotes
*quote_state = IN_DQUOTES;
else
return (0);
return (1);
}
return (0);
}

68
srcs/parsing/expansions/ft_strdup_quotes.c Normal file
View File

@@ -0,0 +1,68 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strdup_quotes.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/13 04:35:06 by lperrey #+# #+# */
/* Updated: 2021/11/13 10:18:51 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
enum e_in_quote_state
{
NOT_IN = 0,
IN_QUOTES = '\'',
IN_DQUOTES = '\"'
};
static int quote_state_change(int *quote_state, const char *s);
char *ft_strdup_quotes(const char *s)
{
unsigned int i;
unsigned int i_dup;
char *dup;
int quote_state;
dup = ft_calloc(ft_strlen(s) + 1, 1);
if (!dup)
return (NULL);
i = 0;
i_dup = 0;
quote_state = 0;
while (s[i])
{
while (quote_state_change(&quote_state, &s[i]))
i++;
dup[i_dup++] = s[i++];
}
return (dup);
}
static int quote_state_change(int *quote_state, const char *s)
{
if (s[0] == '\'' && *quote_state != IN_DQUOTES)
{
if (*quote_state == IN_QUOTES)
*quote_state = 0;
else if (ft_strchr(&s[1], '\'')) // if closed quotes
*quote_state = IN_QUOTES;
else
return (0);
return (1);
}
else if (s[0] == '\"' && *quote_state != IN_QUOTES)
{
if (*quote_state == IN_DQUOTES)
*quote_state = 0;
else if (ft_strchr(&s[1], '\"')) // if closed quotes
*quote_state = IN_DQUOTES;
else
return (0);
return (1);
}
return (0);
}

23
srcs/parsing/expansions/new_token_for_each_field.c
View File

@@ -27,16 +27,21 @@ int new_token_for_each_field(char **fields, t_token **t)
i = 0;
while (fields[i])
{
insert_lst->next = (t_token *)ft_lstnew_generic(sizeof(*insert_lst), 0);
insert_lst = insert_lst->next;
if (!insert_lst)
{//todo wrap
perror("insert_token_for_each_field() error");
ft_free_2d_arr(fields);
return ((int)ft_lstclear((t_list **)&head.next, NULL));
if (fields[i][0])
{
insert_lst->next = (t_token *)ft_lstnew_generic(sizeof(t_token), 0);
insert_lst = insert_lst->next;
if (!insert_lst)
{//todo wrap
perror("insert_token_for_each_field() error");
ft_free_2d_arr(fields);
return ((int)ft_lstclear((t_list **)&head.next, NULL));
}
insert_lst->content = fields[i];
insert_lst->id = T_WORD;
}
insert_lst->content = fields[i];
insert_lst->id = T_WORD;
else
free(fields[i]);
i++;
}
free(fields);

21
srcs/parsing/expansions/words_expansions.c
View File

@@ -6,7 +6,7 @@
/* By: lperrey <lperrey@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/11/07 02:01:33 by lperrey #+# #+# */
/* Updated: 2021/11/08 03:59:02 by lperrey ### ########.fr */
/* Updated: 2021/11/13 21:27:20 by lperrey ### ########.fr */
/* */
/* ************************************************************************** */
@@ -20,15 +20,18 @@ enum e_in_quote_state
};
t_list *ft_lstnew_generic(size_t lst_sizse, size_t content_size);
t_list *expand_token(t_token *t);
t_list *expand_token(char *content);
char *rejoin_after_expand(t_list *expand_lst);
char **ft_split_quotes(char const *s, char c); // Generic
char *ft_strdup_quotes(const char *s); // Generic
int new_token_for_each_field(char **fields, t_token **t);
// 1 - chaque bout dans un element d'une t_list
// (telle quelle si non expand, ou VARIABLE de env)
// 2 - strjoin() le tout
// 3 - split avec un ft_strplit() modifié (ne splitant pas dans les quotes)
// 4 - creer un token T_WORD pour chaque *string du **split_arr
// 4 - quotes removal, ft_strdup_quotes() le tableau split
// 5 - creer un token T_WORD pour chaque *string du **split_arr
// (ft_lstadd_front() sur le token original, puis set le token orignal à :
// t->id = 0 ; free(t->content) ; t->content = NULL ; pour qu'il soit ignoré sur la suite du parsing)
@@ -42,19 +45,25 @@ int words_expansions(t_token *t)
if (t->id == T_WORD)
{
// 1
tmp_expand = expand_token(t);
tmp_expand = expand_token(t->content);
if (!tmp_expand)
return (0);
// 2
tmp_expand = rejoin_after_expand(tmp_expand);
if (!tmp_expand)
return (0);
// 3 WIP PLACEHOLDER, MUST WRITE A ft_split_quoted() FOR NO SPLIT IN QUOTES
tmp_split = ft_split(tmp_expand, ' ');
// 3
tmp_split = ft_split_quotes(tmp_expand, ' ');
free(tmp_expand);
if (!tmp_split)
return (0);
// 4
tmp_expand = ft_dup_2d_arr(tmp_split, (t_dup_func)ft_strdup_quotes);
ft_free_2d_arr(tmp_split);
tmp_split = tmp_expand;
if (!tmp_split)
return (0);
// 5
if (!new_token_for_each_field(tmp_split, &t))
return (0);
}