1 files changed, 89 insertions, 0 deletions
diff --git a/src/eval/read.c b/src/eval/read.c
new file mode 100644
index 0000000..1364fca
--- /dev/null
+++ b/src/eval/read.c
@@ -0,0 +1,89 @@
+/**
+** \file   read.c
+** \brief  Convert AST to value tree
+*/
+
+#include "ms_evalue.h"
+
+static t_value	*read_cmd_args(t_value *value_cmd, t_ast *cmd)
+{
+
+}
+
+/* static void		arg_count_iterator(int *counter, t_ast *child) */
+/* { */
+/* 	if (child == TAG_STRING) */
+/* 		(*counter)++; */
+/* } */
+/*  */
+/* static void		arg_add_iterator(t_value *value_cmd, t_ast *child) */
+/* { */
+/* 	if (child != TAG_STRING) */
+/* 		return ; */
+/* 	value_cmd_push( */
+/* } */
+
+/**
+** \brief      Convert a command AST to a value
+** \param cmd  Command AST
+** \return     Converted value
+*/
+
+static t_value	*read_cmd(t_ast *cmd)
+{
+	int		i;
+	int		arg_num;
+	t_value	*value_cmd;
+
+	if (ast->children_num < 1 || ast->children[0]->type != TAG_STRING)
+		return (value_new_string(VAL_ERR, "Empty command");
+	arg_num = 0;
+	i = -1;
+	while (++i < ast->children_num)
+		if (ast->children[i]->type == TAG_STRING)
+			arg_num++;
+	if ((value_cmd = value_new_cmd(arg_num)) == NULL)
+		return (NULL);
+	i = -1;
+	while (++i < ast->children_num)
+		if (ast->children[i]->type == TAG_STRING)
+		{
+			if ((value_cmd->args[arg_num++] =
+					ft_strdup(ast->children[i]->contents)) == NULL)
+				return (NULL);
+		}
+	while (i-- > 0)
+		if (ast->children[i]->type != TAG_STRING)
+		{
+			if (ast->children[i]->tag == TAG_REDIR_IN
+					&& value_cmd->in == NULL)
+				value_cmd->in = value_new_redir(VAL_REDIR_IN); // check null
+			else if (ast->children[i]->tag == TAG_REDIR_OUT
+					&& value_cmd->out == NULL))
+				value_cmd->out = value_new_redir(VAL_REDIR_OUT);
+			else if (ast->children[i]->tag == TAG_REDIR_APPEND
+					&& value_cmd->append == NULL))
+				value_cmd->append = value_new_redir(VAL_REDIR_APPEND);
+		}
+	return (value_cmd);
+}
+
+/**
+** \brief      Convert an AST to value
+** \param ast  AST to convert
+** \return     Converted value
+*/
+
+t_value *eval_read(t_ast *ast)
+{
+	t_value *value;
+
+	/* if (ast->tag == TAG_REDIR_IN) */
+	/* 	return (value_new_redir(VAL_REDIR_IN)); */
+	/* else if (ast->tag == TAG_REDIR_OUT) */
+	/* 	return (value_new_redir(VAL_REDIR_OUT)); */
+	/* else if (ast->tag == TAG_REDIR_APPEND) */
+	/* 	return (value_new_redir(VAL_REDIR_APPEND)); */
+	else if (ast->tag == TAG_CMD)
+		return (read_cmd(ast));
+}