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parse_red.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* parse_red.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: ggiannit <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/04/04 11:07:43 by ggiannit #+# #+# */
/* Updated: 2023/04/06 17:52:53 by ggiannit ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void ft_parse_red_if_2(char *line, t_prs *prs, char **newline)
{
prs->i = 2;
*newline = ft_linejoin(*newline, line, 2);
while (line[prs->i] == 32)
prs->i += 1;
}
static void ft_parse_red_if(char *line, char **newline, int n, t_prs *prs)
{
ft_parse_red_if_2(line, prs, newline);
while (line[prs->i])
{
while (line[prs->i + n] && line[prs->i + n] != SQUT
&& line[prs->i + n] != DQUT)
n++;
*newline = ft_linejoin(*newline, &line[prs->i], n);
prs->i += n;
if (line[prs->i] == SQUT)
{
prs->i++;
while (line[prs->i + n] && line[prs->i + n] != SQUT)
n++;
*newline = ft_linejoin(*newline, &line[prs->i], n);
prs->i += (n + 1);
}
else if (line[prs->i] == DQUT)
{
prs->i++;
while (line[prs->i + n] && line[prs->i + n] != DQUT)
n++;
*newline = ft_linejoin(*newline, &line[prs->i], n);
prs->i += (n + 1);
}
}
}
void ft_parse_red_else_dquot(char *line, t_mish *meta,
char **newline, t_prs *prs)
{
while (line[prs->i + prs->n] && line[prs->i + prs->n] != DQUT)
{
if (line[prs->i + prs->n] == '$' && line[prs->i + prs->n + 1] == '?')
{
*newline = ft_linejoin(*newline, &line[prs->i], prs->n);
prs->i += prs->n + 2;
prs->n = 0;
prs->value = ft_utoa(meta->exit_code);
*newline = ft_linejoin(*newline, prs->value, ft_strlen(prs->value));
ft_free((void **) &(prs->value));
}
else if (line[prs->i + prs->n] == '$'
&& ft_isenv(line[prs->i + prs->n + 1]))
{
*newline = ft_linejoin(*newline, &line[prs->i], prs->n);
prs->i += prs->n + 1;
prs->n = 0;
prs->value = ft_env_value(&line[prs->i], meta->env, meta, 0);
*newline = ft_linejoin(*newline, prs->value, ft_strlen(prs->value));
while (line[prs->i] && ft_isenv(line[prs->i]))
prs->i++;
}
else
prs->n++;
}
}
static void ft_parse_red_else(char *line, t_mish *meta,
char **newline, t_prs *prs)
{
prs->n = 0;
while (line[prs->i])
{
ft_parse_red_else_1(line, newline, prs);
if (line[prs->i] == '$' && line[prs->i + 1] == '?')
{
prs->value = ft_utoa(meta->exit_code);
*newline = ft_linejoin(*newline, prs->value, ft_strlen(prs->value));
ft_free((void **) &(prs->value));
prs->i += 2;
}
else if (line[prs->i] == '$' && ft_isenv(line[prs->i + 1]))
ft_parse_red_else_2(line, meta, newline, prs);
else if (line[prs->i] == SQUT)
ft_parse_red_else_3(line, newline, prs);
else if (line[prs->i] == DQUT)
{
prs->i++;
ft_parse_red_else_dquot(line, meta, newline, prs);
*newline = ft_linejoin(*newline, &line[prs->i], prs->n);
prs->i += (prs->n + 1);
}
}
}
char *ft_parse_red(char *line, t_mish *meta)
{
int n;
t_prs prs;
char *newline;
n = 0;
prs.i = 0;
newline = NULL;
if (line && line[0] == '<' && line[1] == '<')
ft_parse_red_if(line, &newline, n, &prs);
else
{
if (line[1] == '>')
prs.i = 2;
else
prs.i = 1;
newline = ft_linejoin(newline, line, prs.i);
while (line[prs.i] == 32)
(prs.i)++;
ft_parse_red_else(line, meta, &newline, &prs);
}
ft_free((void **) &line);
return (newline);
}