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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nahaddac <nahaddac@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/07/16 08:18:15 by nahaddac #+# #+# */
/* Updated: 2020/09/13 17:23:29 by charles ### ########.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);
}
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);
}
enum e_tok tok_assign_str(t_tok_lst *tok)
{
int i;
// could use strchr to search ' or "
i = 0;
while (tok->content[i] != '\0')
{
if (tok->content[i] == '\'')
{
tok->tag = TAG_STR_SINGLE;
return (tok_assign_stick(tok));
}
if (tok->content[i] == '"')
{
tok->tag = TAG_STR_DOUBLE;
return (tok_assign_stick(tok));
}
else
{
tok->tag = TAG_STR;
return (tok_assign_stick(tok));
}
i++;
}
return (0);
}
// check is char is separator
// & alone could be considered a 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 (input[i] == '\\')
i++;
i++;
}
while (ft_isblank(input[i + 1]))
i++;
return (i + 1);
}
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