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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* tokenizer.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/28 20:55:50 by chuhlig #+# #+# */
/* Updated: 2024/08/08 18:50:53 by chuhlig ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
#include "token.h"
void print_token(t_token *token)
{
if (DEBUG)
{
if (token->type == STRING_TOKEN)
{
printf("STRING_TOKEN: %s\n", token->content.string);
}
else if (token->type == REDIR_TOKEN)
{
printf("REDIR_TOKEN: %d\n", token->content.redir_type);
}
else if (token->type == PIPE_TOKEN)
{
printf("PIPE_TOKEN\n");
}
else if (token->type == NEWLINE_TOKEN)
{
printf("NEWLINE_TOKEN\n");
}
}
}
void conditional_print(char *string, int start_of_string, int i,
t_token **token_list)
{
char *line;
int len;
len = i - start_of_string + 1;
if (len > 0)
{
line = (char *)malloc(len + 1);
if (!line)
{
exit(EXIT_FAILURE);
}
ft_strncpy(line, string + start_of_string, len);
line[len] = '\0';
while (*line == ' ' || *line == '\t')
line++;
if (*line != '\0')
{
*token_list = new_str_token(line, *token_list, NULL);
print_token(*token_list);
}
}
}
void tokenizer(char *s, t_token **token_list)
{
char *quotes;
char quote_check;
int start_of_string;
int ignore_space;
int i;
quotes = "\"\'";
quote_check = '\0';
start_of_string = 0;
ignore_space = 0;
i = 0;
if (!s || !*s)
return ;
while (s[i])
{
if (!ignore_space && (s[i] == '|' || s[i] == '\n' || s[i] == '<' || s[i] == '>'))
{
conditional_print(s, start_of_string, i - 1, token_list);
if ((s[i] == '<' || s[i] == '>') && s[i + 1] == s[i])
{
if (s[i] == '<')
*token_list = new_redir_token(INPUT_LIMITER, *token_list, NULL);
else
*token_list = new_redir_token(OUTPUT_APPEND, *token_list, NULL);
i++;
}
else
{
if (s[i] == '<')
*token_list = new_redir_token(INPUT_FILE, *token_list, NULL);
else if (s[i] == '|')
*token_list = new_token(PIPE_TOKEN, *token_list, NULL);
else if (s[i] == '\n')
*token_list = new_token(NEWLINE_TOKEN, *token_list, NULL);
else
*token_list = new_redir_token(OUTPUT_OVERRIDE, *token_list, NULL);
}
print_token(*token_list);
start_of_string = i + 1;
}
else if (ignore_space && s[i] == quote_check)
{
quote_check = '\0';
ignore_space = 0;
}
else if (!ignore_space && ft_strchr(quotes, s[i]))
{
quote_check = s[i];
ignore_space = 1;
}
else if ((!ignore_space && (s[i] == ' ' || s[i] == '\t')) || i == ft_strlen(s) - 1)
{
conditional_print(s, start_of_string, i, token_list);
start_of_string = i + 1;
}
i++;
}
}
// Minishell $ |abc|cba
// PIPE_TOKEN
// STRING_TOKEN: abc
// PIPE_TOKEN
// STRING_TOKEN: cba
// Minishell $ ||abc a||cba
// PIPE_TOKEN
// PIPE_TOKEN
// STRING_TOKEN: abc
// STRING_TOKEN: a
// PIPE_TOKEN
// PIPE_TOKEN
// STRING_TOKEN: cba
// Minishell $
|
