minishell/src/lexer/lexer_read_word.c
Quinten Mennen 75cbe896ce banner work
2025-02-06 13:37:12 +01:00

64 lines
2.0 KiB
C

/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* lexer_read_word.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: qmennen <qmennen@student.codam.nl> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2025/02/05 19:03:47 by qmennen #+# #+# */
/* Updated: 2025/02/05 19:28:17 by qmennen ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
static char *parse_quotes(t_lexer *lexer)
{
int start;
int len;
char qc;
char *word;
qc = lexer->current_char;
word = NULL;
ft_lexer_readchar(lexer);
start = lexer->pos;
while (lexer->current_char != '\0' && lexer->current_char != qc)
ft_lexer_readchar(lexer);
len = lexer->pos - start;
word = malloc(sizeof(char) * len + 1);
ft_strlcpy(word, lexer->input + start, len + 1);
if (lexer->current_char == qc)
ft_lexer_readchar(lexer);
else
{
free(word);
return (NULL);
}
return (word);
}
char *ft_lexer_readword(t_lexer *lexer)
{
int start;
int len;
char *word;
start = lexer->pos;
if (lexer->current_char == '"' || lexer->current_char == '\'')
{
return (parse_quotes(lexer));
}
while (ft_isprint(lexer->current_char) && lexer->current_char != '<'
&& lexer->current_char != '>' && lexer->current_char != '|'
&& lexer->current_char != '\0' && !ft_isspace(lexer->current_char)
&& lexer->current_char != '"' && lexer->current_char != '\'')
{
ft_lexer_readchar(lexer);
}
len = lexer->pos - start;
word = malloc(sizeof(char) * len + 1);
ft_strlcpy(word, lexer->input + start, len + 1);
return (word);
}