shell_variables.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   shell_variables.c                                  :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dmdemirk <dmdemirk@student.42london.c      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/09/06 11:51:16 by dmdemirk          #+#    #+#             */
/*   Updated: 2024/09/09 12:41:39 by dmdemirk         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "shell.h"
#include "env.h"
#include "libft.h"
#include "tokens.h"
#include <stddef.h>
 
int     handle_add_set_shell_variable(t_env **shell_var, char *line);
int     handle_get_shell_variable(t_ms_data *data, const char *key);
int     handle_shell_variable(t_ast *node, t_ms_data *data);
void    shell_variable_update(t_ms_data *data, int status);
 
int handle_add_set_shell_variable(t_env **shell_var, char *line)
{
    char    *key;
    char    *value;
    char    *nq_value;
 
    key = NULL;
    value = NULL;
    nq_value = NULL;
    if (*shell_var == NULL)
        add_shell_var_node(shell_var, line);
    else
    {
        key = ft_strcdup(line, '=');
        value = ft_strchr(line, '=') + 1;
        nq_value = ft_remove_quotes(value, '\"');
        set_shell_var(shell_var, key, nq_value);
        free(nq_value);
        free(key);
    }
    return (0);
}
 
int handle_get_shell_variable(t_ms_data *data, const char *key)
{
    char    *value;
    t_env   *shell_var;
 
    shell_var = data->shell_variables;
    value = get_env(shell_var, key);
    if (value)
    {
        ft_putstr_fd(value, data->std_out);
        ft_putstr_fd("\n", data->std_out);
        free(value);
        return (0);
    }
    return (-1);
}
 
int handle_shell_variable(t_ast *node, t_ms_data *data)
{
    if (node->left && node->right == NULL)
        return (handle_get_shell_variable(data, node->args[0]));
    return (-1);
}
 
void    shell_variable_update(t_ms_data *data, int status)
{
    char    *status_str;
 
    data->exit_status = status;
    status_str = ft_itoa(status);
    set_shell_var(&data->shell_variables, "?", status_str);
    free(status_str);
}