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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nahaddac <nahaddac@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/07/16 08:18:15 by nahaddac #+# #+# */
/* Updated: 2020/10/08 14:11:51 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "lexer.h"
// return token tag corresponding to string id
enum e_tok tok_assign_tag(char *content)
{
if (content[0] == ';')
return (TAG_END);
if (ft_strncmp(content, "&&", 2) == 0)
return (TAG_AND);
if (ft_strncmp(content, "||", 2) == 0)
return (TAG_OR);
if(content[0] == '|')
return (TAG_PIPE);
if (content[0] == '>')
return (TAG_REDIR_OUT);
if (content[0] == '<')
return (TAG_REDIR_IN);
if (ft_strncmp(content, ">>", 2) == 0)
return (TAG_REDIR_APPEND);
if (content[0] == '(')
return (TAG_PARENT_OPEN);
if (content[0] == ')')
return (TAG_PARENT_CLOSE);
return (0);
}
/*
** return tag
** le tag stick est rajouter si
** a la fin (char *)tk->tok ne figure pas d'espace.
*/
enum e_tok tok_assign_stick(t_tok_lst *tok)
{
int i;
i = ft_strlen(tok->content);
if (i > 0)
if (ft_isblank(tok->content[i - 1]))
return (tok->tag);
return (tok->tag | TAG_STICK);
}
/*
** return tag si
** la chaine de character est un str où '' où ''
** \note the loop after ft_strpbrk is to search again if the quote was escaped
*/
enum e_tok tok_assign_str(t_tok_lst *tok)
{
char *found;
found = ft_strpbrk(tok->content, "'\"");
while (found != NULL && found != tok->content && found[-1] == '\\')
found = ft_strpbrk(found + 1, "'\"");
if (found == NULL)
tok->tag = TAG_STR;
else if (*found == '\'')
tok->tag = TAG_STR_SINGLE;
else if (*found == '"')
tok->tag = TAG_STR_DOUBLE;
return (tok_assign_stick(tok));
}
// check is char is separator
int lexer_sep(char c)
{
return (ft_strchr(";&|><()", c) != NULL);
}
// number of starting space character
int lexer_space(char *input)
{
return (ft_strspn(input, " \t"));
}
int quote_len(char *input, int i)
{
char quote_type;
quote_type = input[i];
i++;
while (input[i] != quote_type && input[i] != '\0')
{
if (quote_type == '"' && input[i] == '\\')
i++;
i++;
}
while (ft_isblank(input[i + 1]))
i++;
return (i + 1);
}
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