main.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   main.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: rmikhayl <marvin@42.fr>                    +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/05 13:23:26 by rmikhayl          #+#    #+#             */
/*   Updated: 2024/11/08 15:32:55 by dmdemirk         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "tokens.h"
#include "execute.h"
#include "shell.h"
#include "pipe.h"
#include "signals.h"
#include "exit_status.h"
#include "builtins.h"
 
void    main_loop(t_ms_data *data, t_loop_data *loop_data);
int     main(int argc, char **argv, char **envp);
 
void    process_command(t_ms_data *data, \
                t_loop_data *loop_data, t_token *tokens_head)
{
    int status;
 
    if (!data || !loop_data || !tokens_head || !loop_data->tree)
        return ;
    status = execute_ast(loop_data->tree, data);
    data->exit_status = status;
    set_shell_var_handler(data);
    if (status == WAIT_NEXT_COMMAND)
    {
        loop_cleanup(loop_data, tokens_head);
        return ;
    }
    handle_io_fd(data);
    loop_cleanup(loop_data, tokens_head);
}
 
void    main_loop(t_ms_data *data, t_loop_data *loop_data)
{
    t_token *tokens_start;
 
    while (1)
    {
        set_signals_interactive(data);
        set_signals_noninteractive();
        loop_data->input = readline("🌴 maxishell> ");
        if (loop_data->input && loop_data->input[0] == '\0')
            continue ;
        if (!loop_data->input || !ft_strncmp(loop_data->input, "exit", 4))
        {
            data->args = ft_split(loop_data->input, ' ');
            builtin_exit(data);
        }
        make_history(loop_data->input);
        loop_data->trimmed_input = trim_input(loop_data->input);
        if (input_error_checks(loop_data))
            continue ;
        loop_data->tokens = tokenise(loop_data->trimmed_input);
        tokens_start = loop_data->tokens;
        loop_data->tree = parse_tokens(&loop_data->tokens, data);
        process_command(data, loop_data, tokens_start);
    }
    clear_history_file();
}
 
int main(int argc, char **argv, char **envp)
{
    t_ms_data       data;
    t_loop_data     loop_data;
 
    print_maxishell();
    init_ms_data(&data, argv, envp);
    initialise(argc, argv);
    main_loop(&data, &loop_data);
    free_ms_data(&data);
    clear_history_file();
    return (0);
}