start normng

1 files changed, 139 insertions, 0 deletions

diff --git a/src/p_lcom_vars.c b/src/p_lcom_vars.c
new file mode 100644
index 0000000..754333c
--- /dev/null
+++ b/src/p_lcom_vars.c
@@ -0,0 +1,139 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   p_line_next.c                                      :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: rbousset <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2020/02/14 17:19:27 by rbousset          #+#    #+#             */
+/*   Updated: 2020/02/14 17:19:29 by rbousset         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <libft.h>
+#include <stdlib.h>
+#include <stdint.h>
+
+#include "d_enum.h"
+#include "s_destroy.h"
+#include "f_fail.h"
+#include "s_struct.h"
+#include "u_vars.h"
+#include "u_vars_next.h"
+
+
+static int8_t
+	subst_those_vars(int64_t i,
+						char **p_words,
+						t_msh *msh)
+{
+	size_t	varlen;
+	char	*s_varname;
+	char	*varval;
+
+	varval = NULL;
+	s_varname = NULL;
+	varlen = i + 1;
+	while ((*p_words)[varlen] != '\0' &&
+		ft_ischarset("$=/#@%^*+{}[],.-", (*p_words)[varlen]) == FALSE)
+		varlen += 1;
+	if (!(s_varname = ft_substr(*p_words, (uint32_t)i, varlen - i)))
+		return (-1);
+	varval = u_get_var_value(s_varname, msh);
+	*p_words = ft_strsubst(*p_words, s_varname, varval);
+	ft_memdel((void*)&s_varname);
+	ft_memdel((void*)&varval);
+	return (0);
+}
+
+char
+	**p_subst_vars(char *words[],
+					t_msh *msh)
+{
+	char	**p_words;
+	int64_t	i;
+
+	p_words = words;
+	i = 0;
+	while (*p_words)
+	{
+		while ((i = ft_strlchr((*p_words), '$')) != -1)
+		{
+			if (*(*p_words) + i - 1 != '\\')
+			{
+				if (subst_those_vars(i, p_words, msh) != 0)
+					return (NULL);
+			}
+		}
+		p_words += 1;
+	}
+	return (words);
+}
+
+void
+	p_add_to_env_fork(int64_t i,
+					char *words[],
+					t_msh *msh)
+{
+	int64_t	j;
+
+	j = 0;
+	while(j < i)
+	{
+		ft_strlcpy(msh->env_fork_tmp[j], words[j], ft_strlen(words[j]) + 1);
+		j++;
+	}
+	msh->env_fork_tmp[j][0] = '\0';
+}
+
+char
+	**p_subst_args(const char word[],
+					int8_t redir)
+{
+	char	**words;
+	char	*subst;
+	size_t	i;
+
+	if (redir == 0)
+	{
+		if (!(words = ft_split(word, ' ')))
+			return (NULL);
+		return (words);
+	}
+	i = 0;
+	while (word[i] && ft_ischarset("<>", word[i]) == FALSE)
+		i++;
+	while (redir > 0 && ft_isdigit(word[i]) == TRUE)
+		i--;
+	if (!(subst = ft_substr(word, 0, i)))
+		return (NULL);
+	if (!(words = ft_split(subst, ' ')))
+	{
+		ft_memdel((void*)&subst);
+		return (NULL);
+	}
+	ft_memdel((void*)&subst);
+	return (words);
+}
+
+char
+	**p_subst_home(char *words[],
+				t_msh *msh)
+{
+	char	*path;
+	char	**ptr;
+
+	if ((path = u_get_var_value("$HOME", msh)) == NULL)
+		return (words);
+	ptr = words;
+	while (*ptr != NULL)
+	{
+		if (*ptr[0] == '~')
+		{
+			*ptr = ft_strsubst(*ptr, "~", path);
+		}
+		ptr++;
+	}
+	ft_memdel((void*)&path);
+	return (words);
+}