cmd_array_fill_argv()

srcs/parsing/cmd_array.c

@@ -0,0 +1,95 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   cmd_array.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lperrey <lperrey@student.42.fr>            +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/11/02 22:46:23 by lperrey           #+#    #+#             */
+/*   Updated: 2021/11/14 12:24:39 by lperrey          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "minishell.h"
+
+static size_t	cmd_words_count(t_token *t);
+
+size_t	count_pipes(t_token *t)
+{
+	size_t	count;
+
+	count = 0;
+	while (t)
+	{
+		if (t->id == T_PIPE)
+			count++;
+		t = t->next;
+	}
+	return (count);
+}
+
+t_cmd	**cmd_array_alloc(size_t cmd_nbr)
+{
+	t_cmd	**cmd_arr;
+	size_t	i;
+
+	cmd_arr = ft_calloc(cmd_nbr + 1, sizeof (void *));
+	if (!cmd_arr)
+		return (ft_retp_perror(NULL, "cmd_array_alloc()"));
+	i = 0;
+	while (i < cmd_nbr)
+	{
+		cmd_arr[i] = ft_calloc(1, sizeof (*cmd_arr[i]));
+		if (!cmd_arr[i])
+		{
+			ft_free_2d_arr(cmd_arr);
+			return (ft_retp_perror(NULL, "cmd_array_alloc()"));
+		}
+		cmd_arr[i]->fd_in = STDIN_FILENO;
+		cmd_arr[i]->fd_out = STDOUT_FILENO;
+		i++;
+	}
+	return (cmd_arr);
+}
+
+int	cmd_array_fill_argv(t_token *t, t_cmd **cmd_arr)
+{
+	size_t	i;
+	size_t	arg_i;
+
+	i = 0;
+	while (cmd_arr[i])
+	{
+		cmd_arr[i]->argv = ft_calloc(cmd_words_count(t) + 1, sizeof (char *));
+		if (!cmd_arr[i]->argv)
+			return (ft_reti_perror(0, "cmd_array_fill_argv()"));
+		arg_i = 0;
+		while (t && t->id != '|')
+		{
+			if (t->id == T_WORD)
+			{
+				cmd_arr[i]->argv[arg_i++] = t->content;
+				t->content = NULL;
+			}
+			t = t->next;
+		}
+		if (t && t->id == '|')
+			t = t->next;
+		i++;
+	}
+	return (1);
+}
+
+static size_t	cmd_words_count(t_token *t)
+{
+	size_t	count;
+
+	count = 0;
+	while (t && t->id != '|')
+	{
+		if (t->id == T_WORD)
+			count++;
+		t = t->next;
+	}
+	return (count);
+}