117 lines
2.8 KiB
C
117 lines
2.8 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* cmds.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: cchauvet <cchauvet@student.42angoulem +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/15 14:17:26 by cchauvet #+# #+# */
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/* Updated: 2023/02/17 13:06:35 by cchauvet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "libftx/libftx.h"
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#include "minishell.h"
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static int ft_cmds_init(t_list **cmds, size_t len)
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{
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t_cmd *content;
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t_list *current;
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size_t i;
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*cmds = malloc(sizeof(t_list));
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current = *cmds;
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i = 0;
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while (i < len)
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{
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content = malloc(sizeof(t_cmd));
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if (content == NULL)
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{
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ft_lstclear(cmds, ft_cmddel);
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return (1);
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}
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content->args = NULL;
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content->executable = NULL;
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content->fd_in = -1;
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content->fd_out = -1;
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current->content = content;
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if (!((i + 1) < len))
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{
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current->next = NULL;
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return (0);
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}
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current->next = malloc(sizeof(t_list));
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if (current->next == NULL)
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ft_lstclear(cmds, ft_cmddel);
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current = current->next;
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i++;
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}
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return (0);
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}
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static int ft_cmds_prep(t_list **cmds, const char *line, int infile, int outfile)
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{
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size_t len;
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t_cmd *cmd;
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t_list *current;
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len = ft_seglen_quoted(line, '|');
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if (len == 0)
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return (0);
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if (ft_cmds_init(cmds, ft_seglen_quoted(line, '|')))
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{
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free(cmds);
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return (1);
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}
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cmd = (t_cmd *)(*cmds)->content;
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cmd->fd_in = infile;
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current = *cmds;
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while (current->next != NULL)
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current = current->next;
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cmd = (t_cmd *) current->content;
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cmd->fd_out = outfile;
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return (0);
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}
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static int ft_cmds_fill(t_list **cmds, t_list **env, const char *line)
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{
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char **tab;
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char **args;
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t_list *current;
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size_t i;
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tab = ft_split_quoted(line, '|');
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if (tab == NULL)
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return (1);
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i = 0;
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current = *cmds;
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while (tab[i] != NULL)
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{
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args = ft_split_quoted(tab[i], ' ');
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if (ft_cmd_filler(current, args, env) == 1)
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{
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ft_lstclear(cmds, ft_cmddel);
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ft_freer_tab_ultimate(2, args, tab);
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return (1);
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}
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current = current->next;
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i++;
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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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t_list **ft_parse_cmds(char *line, t_list **env)
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{
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int infile;
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int outfile;
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t_list **cmds;
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cmds = malloc(sizeof(t_list *));
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if (ft_cmds_prep(cmds, line, infile, outfile) == 1)
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return (NULL);
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if (ft_cmds_fill(cmds, env, line) == 1)
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return (NULL);
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return (cmds);
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}
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