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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nahaddac <nahaddac@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/06/19 10:51:26 by nahaddac #+# #+# */
/* Updated: 2020/09/13 17:33:53 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef LEXER_H
# define LEXER_H
# include <stdlib.h>
# include "libft_lst.h"
# include "libft_str.h"
/*
** \brief token tags (type of token)
** \param TAG_AND &&
** \param TAG_END ;
** \param TAG_OR ||
** \param TAG_PIPE |
** \param TAG_REDIR_IN <
** \param TAG_REDIR_OUT >
** \param TAG_REDIR_APPEND >>
** \param TAG_PARENT_OPEN (
** \param TAG_PARENT_CLOSE )
** \param TAG_STR unquoted string
** \param TAG_STR_DOUBLE string quoted with "
** \param TAG_STR_SINGLE string quoted with '
** \param TAG_STICK token is sticked to the next one
** \param TAG_IS_STR all of string tags
** \param TAG_IS_REDIR all of redirection tags
** \param TAG_IS_SEP all of separator tags
*/
enum e_tok
{
TAG_AND = 1 << 0,
TAG_END = 1 << 1,
TAG_OR = 1 << 2,
TAG_PIPE = 1 << 3,
TAG_REDIR_IN = 1 << 4,
TAG_REDIR_OUT = 1 << 5,
TAG_REDIR_APPEND = 1 << 6,
TAG_PARENT_OPEN = 1 << 7,
TAG_PARENT_CLOSE = 1 << 8,
TAG_STR = 1 << 9,
TAG_STR_DOUBLE = 1 << 10,
TAG_STR_SINGLE = 1 << 11,
TAG_STICK = 1 << 12,
TAG_IS_STR = TAG_STR | TAG_STR_SINGLE | TAG_STR_DOUBLE,
TAG_IS_REDIR = TAG_REDIR_IN | TAG_REDIR_OUT | TAG_REDIR_APPEND,
TAG_IS_SEP = TAG_AND | TAG_END | TAG_OR | TAG_PIPE,
};
/*
** tok_lst.c
*/
/*
** \brief Token list struct
** \param content token string content
** \param next next token in the list (NULL if end)
** \param tag token tag
** \warning DO NOT change the order of the fields
** (they are in the same order as t_ftlst so
** that t_ftlst functions can be used on this struct aswell)
*/
typedef struct s_tok_lst
{
char *content;
struct s_tok_lst *next;
enum e_tok tag;
} t_tok_lst;
t_tok_lst *tok_lst_new(enum e_tok tag, char *content);
t_tok_lst *tok_lst_new_until(enum e_tok tag, char *content, size_t n);
void tok_lst_push_back(t_tok_lst **tokens, t_tok_lst *pushed);
t_tok_lst *tok_lst_push_front(t_tok_lst **tokens, t_tok_lst *pushed);
void *tok_lst_destroy(t_tok_lst **tokens, void (*del)(void*));
t_tok_lst *tok_lst_last(t_tok_lst *tokens);
t_tok_lst *tok_lst_uncons(t_tok_lst **tokens);
/*
** lexer.c
*/
int len_until_sep(char *input);
int tok_len(char *input);
t_tok_lst *create_token_list(char *input, t_tok_lst **lst);
t_tok_lst *lexer(char *input);
// int check_input_out(char *input);
/*
** utils.c
*/
enum e_tok tok_assign_tag(char *content);
enum e_tok tok_assign_stick(t_tok_lst *tok);
enum e_tok tok_assign_str(t_tok_lst *tok);
int lexer_sep(char input);
int lexer_space(char *input);
int quote_len(char *input, int i);
/*
** trim.c
*/
t_tok_lst *lexer_trim_out(t_tok_lst *lst);
#endif
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