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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* tokenizer.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: chuhlig <chuhlig@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/06/28 20:55:50 by chuhlig #+# #+# */
/* Updated: 2024/06/28 21:58:38 by chuhlig ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
#include "token.h"
char *ft_strncpy(char *dst, char *src, size_t n)
{
char *start;
start = dst;
while (n-- > 0 && *src)
*dst++ = *src++;
if (n > 0)
ft_memset(dst, '\0', n);
return (start);
}
void print_token(t_token *token)
{
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");
}
}
void conditional_print(char *string, int start_of_string, int i, int offset, t_token **token_list)
{
char *trimmed_line;
char *line;
int len;
len = i + offset - start_of_string;
if (len > 0)
{
line = (char *)malloc(len + 1);
if (!line)
{
exit(EXIT_FAILURE);
}
ft_strncpy(line, string + start_of_string, len);
line[len] = '\0';
trimmed_line = line;
while (*trimmed_line == ' ' || *trimmed_line == '\t')
{
trimmed_line++;
}
if (*trimmed_line != '\0')
{
*token_list = new_str_token(trimmed_line, *token_list, NULL);
print_token(*token_list);
}
free(line);
}
}
void tokenizer(char *s, t_token **token_list)
{
char *quotes;
char quote_check;
char c;
int start_of_string;
int ignore_space;
int flag;
int i;
int skip;
quotes = "\"\'";
quote_check = '\0';
start_of_string = 0;
ignore_space = 0;
flag = 0;
i = 0;
skip = 0;
while (s[i])
{
c = s[i];
if (skip)
{
skip = 0;
i++;
continue ;
}
if (!ignore_space && (c == '|' || c == ';' || c == '<' || c == '>'))
{
conditional_print(s, start_of_string, i, 0, token_list);
if ((c == '<' || c == '>') && s[i + 1] == c)
{
if (c == '<')
{
*token_list = new_redir_token(INPUT_FILE,
*token_list, NULL);
print_token(*token_list);
}
else
{
*token_list = new_redir_token(OUTPUT_APPEND,
*token_list, NULL);
print_token(*token_list);
}
i++;
}
else
{
if (c == '<')
{
*token_list = new_redir_token(INPUT_FILE,
*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 && c == quote_check)
{
quote_check = '\0';
ignore_space = 0;
}
else if (!ignore_space && ft_strchr(quotes, c))
{
quote_check = c;
ignore_space = 1;
}
else if ((!ignore_space && (s[i] != ' ' || s[i] != '\t')) || s[i + 1] == '\0')
{
if (s[i + 1])
conditional_print(s, start_of_string, i, 1, token_list);
else
conditional_print(s, start_of_string, i, 0, token_list);
start_of_string = i + 1;
}
i++;
}
}
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