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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* trim.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: nahaddac <nahaddac@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/07/16 08:18:36 by nahaddac #+# #+# */
/* Updated: 2020/09/16 20:09:42 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "lexer.h"
#include <stdio.h>
void del_space(char *str)
{
int i;
i = ft_strlen(str);
if (ft_isblank(str[i - 1]))
{
i -= 1;
while (ft_isblank(str[i]))
{
if (str[i - 1] == '\\')
break ;
i--;
}
str[i + 1] = '\0';
}
}
int del_quote(char *str)
{
size_t i;
size_t quote_counter;
i = 0;
quote_counter = 1;
if (str[0] == '\'')
{
while (str[i++] != '\0')
{
if (str[i] == '\'')
{
quote_counter++;
break ;
}
}
}
else if (str[0] == '"')
{
while (str[i++] != '\0')
{
if (str[i] == '\\')
i += 2;
if (str[i] == '"')
{
quote_counter++;
break ;
}
}
}
if (quote_counter % 2 == 1)
{
errorf("unexpected EOF while looking for matching `%c'\n", str[0]);
return (1);
}
str[i] = '\0';
ft_memmove(str, str + 1, ft_strlen(str + 1) + 1);
return (0);
}
int lexer_trim(t_tok_lst *tokens)
{
int status;
while (tokens != NULL)
{
if (tokens->tag & (TAG_STR_DOUBLE | TAG_STR_SINGLE))
{
if ((status = del_quote(tokens->content)) != 0)
return (status);
if (tokens->next == NULL)
tokens->tag &= ~TAG_STICK;
}
else
{
del_space(tokens->content);
if (tokens->next == NULL)
tokens->tag &= ~TAG_STICK;
}
tokens = tokens->next;
}
return (0);
}
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