Add most of parse_cmd

1 files changed, 109 insertions, 0 deletions

diff --git a/src/parse_cmd.c b/src/parse_cmd.c
new file mode 100644
index 0000000..981bbbb
--- /dev/null
+++ b/src/parse_cmd.c
@@ -0,0 +1,109 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   parse_cmd.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dkaiser <dkaiser@student.42heilbronn.de    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/07/08 15:06:25 by dkaiser           #+#    #+#             */
+/*   Updated: 2024/07/08 17:29:22 by dkaiser          ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+#include "minishell.h"
+#include "token.h"
+#include <stdlib.h>
+#include <string.h>
+
+static t_redirection	**collect_redirs(t_token **tokens);
+static t_assign			**collect_assigns(t_token **tokens);
+static char				**collect_args(t_token **tokens);
+static t_assign			*to_assign(char *str);
+
+t_node	*parse_cmd(t_token *tokens)
+{
+	char			**args;
+	t_assign		**assigns;
+	t_redirection	redirs[2];
+
+	redirs = collect_redirs(&tokens);
+	assigns = collect_assigns(&tokens);
+	args = collect_args(&tokens);
+	return (new_cmd_node(args, assigns, redirs));
+}
+
+static t_redirection	**collect_redirs(t_token **tokens)
+{
+	return (NULL);
+}
+
+static t_assign	**collect_assigns(t_token **tokens)
+{
+	int			i;
+	t_assign	**result;
+
+	i = 0;
+	while (ft_strchr(tokens[i]->content.string, '=') != NULL)
+	{
+		i++;
+	}
+	result = malloc(sizeof(t_assign *) * (i + 1));
+	if (result == NULL)
+	{
+		// free everything
+		return (NULL);
+	}
+	result[i] = NULL;
+	i--;
+	while (i >= 0)
+	{
+		result[i] = to_assign(tokens[i]->content.string);
+		i--;
+	}
+	return (result);
+}
+
+static char	**collect_args(t_token **tokens)
+{
+	int		i;
+	char	**result;
+
+	i = 0;
+	while (tokens[i] != NULL)
+	{
+		i++;
+	}
+	result = malloc(sizeof(char *) * (i + 1));
+	if (result == NULL)
+	{
+		// free everything in the token
+		return (NULL);
+	}
+	i = 0;
+	while (tokens[i] != NULL)
+	{
+		result[i] = tokens[i]->content.string;
+		free_token(tokens[i]);
+		i++;
+	}
+	result[i] = NULL;
+	return (result);
+}
+
+static t_assign	*to_assign(char *str)
+{
+	t_assign	*result;
+	char		*split;
+
+	result = malloc(sizeof(t_assign));
+	if (result == NULL)
+		return (NULL);
+	split = ft_strchr(str, '=');
+	if (split == NULL)
+		return (NULL);
+	*split = '\0';
+	result->var = str;
+	result->value = split + 1;
+	return (result);
+}