128 lines
2.9 KiB
C
128 lines
2.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* parse.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angouleme.fr +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/03/27 13:44:38 by cchauvet #+# #+# */
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/* Updated: 2023/04/04 13:50:18 by alouis-j ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "./parse_private.h"
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static int ft_args_parse(char *cmd_str, t_cmd *cmd)
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{
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char **tab;
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size_t i;
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tab = ft_split_quoted(cmd_str, ' ');
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if (tab == NULL)
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return (1);
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i = 0;
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while (tab[i] != NULL)
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{
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ft_quote_remover(tab[i]);
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i++;
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}
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cmd->args = tab;
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return (0);
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}
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static int ft_executable_parse(t_data *data, t_cmd *cmd)
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{
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bool own;
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char *path;
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path = cmd->args[0];
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own = 0;
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if (cmd->args[0] == NULL)
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{
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ft_closer(cmd->fd_in);
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ft_closer(cmd->fd_out);
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}
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else if (ft_strcmp(cmd->args[0], "env") == 0 || (ft_strcmp(cmd->args[0],
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"export") == 0) || (ft_strcmp(cmd->args[0], "echo") == 0)
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|| (ft_strcmp(cmd->args[0], "unset") == 0) || (ft_strcmp(cmd->args[0],
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"exit") == 0) || (ft_strcmp(cmd->args[0], "pwd") == 0)
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|| (ft_strcmp(cmd->args[0], "cd") == 0))
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own = 1;
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else
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{
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path = ft_get_executable(data, cmd->args[0]);
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if (path == NULL)
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return (1);
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}
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cmd->own_cmd = own;
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cmd->executable = path;
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return (0);
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}
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int ft_cmd_adder(t_data *data, t_cmd *cmd)
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{
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t_list *element;
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element = ft_lstnew(cmd);
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if (element == NULL)
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{
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ft_cmddel(cmd);
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return (1);
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}
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ft_lstadd_back(data->cmds, element);
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return (0);
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}
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int ft_cmd_parser(t_data *data, char *cmd_str)
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{
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t_cmd *cmd;
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cmd = ft_calloc(sizeof(t_cmd), 1);
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if (cmd == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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return (1);
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}
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if (ft_redirection(data, cmd, cmd_str))
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{
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ft_cmddel(cmd);
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return (1);
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}
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if (ft_args_parse(cmd_str, cmd))
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{
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ft_cmddel(cmd);
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return (1);
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}
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ft_executable_parse(data, cmd);
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return (ft_cmd_adder(data, cmd));
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}
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int ft_cmds_parser(t_data *data, const char *line)
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{
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char **tab;
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ssize_t i;
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tab = ft_split_quoted(line, '|');
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if (tab == NULL)
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{
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ft_eprintf("minishell: malloc failed\n");
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return (1);
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}
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i = -1;
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while (tab[++i] != NULL)
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{
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if (ft_cmd_parser(data, tab[i]))
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{
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ft_freer_tab_ultimate(1, tab);
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return (1);
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}
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}
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if (*data->cmds != NULL)
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{
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ft_add_fd(((t_cmd *)(*data->cmds)->content)->fd_in, 0);
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ft_add_fd(((t_cmd *)(ft_lstlast(*data->cmds))->content)->fd_out, 1);
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}
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ft_freer_tab_ultimate(1, tab);
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return (0);
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}
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