From 2d578215e365b61c25dcb61ecdd26bc062eb7f17 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Tue, 1 Mar 2016 19:26:40 -0700
Subject: [PATCH] rmdir, mkdir

---
 scheme/main.rs | 54 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 45 insertions(+), 9 deletions(-)

diff --git a/scheme/main.rs b/scheme/main.rs
index ac73f35d55..513a260ab0 100644
--- a/scheme/main.rs
+++ b/scheme/main.rs
@@ -13,7 +13,7 @@ use image::Image;
 
 use redoxfs::{FileSystem, Node};
 
-use system::error::{Error, Result, EISDIR, EPERM, ENOENT, EBADF, EINVAL};
+use system::error::{Error, Result, EEXIST, EISDIR, ENOTDIR, EPERM, ENOENT, EBADF, EINVAL};
 use system::scheme::{Packet, Scheme};
 use system::syscall::{Stat, O_CREAT, SEEK_SET, SEEK_CUR, SEEK_END};
 
@@ -189,17 +189,53 @@ impl Scheme for FileScheme {
         Ok(id)
     }
 
-    fn mkdir(&mut self, path: &str, mode: usize) -> Result<usize> {
-        println!("mkdir {}, {:X}", path, mode);
-        Err(Error::new(ENOENT))
+    fn mkdir(&mut self, url: &str, mode: usize) -> Result<usize> {
+        let path = url.split(':').nth(1).unwrap_or("").trim_matches('/');
+
+        let mut nodes = Vec::new();
+        match self.path_nodes(path, &mut nodes) {
+            Ok(_node) => Err(Error::new(EEXIST)),
+            Err(err) => if err.errno == ENOENT {
+                let mut last_part = String::new();
+                for part in path.split('/') {
+                    if ! part.is_empty() {
+                        last_part = part.to_string();
+                    }
+                }
+                if ! last_part.is_empty() {
+                    if let Some(parent) = nodes.last() {
+                        self.fs.create_node(Node::MODE_DIR, &last_part, parent.0).and(Ok(0))
+                    } else {
+                        Err(Error::new(EPERM))
+                    }
+                } else {
+                    Err(Error::new(EPERM))
+                }
+            } else {
+                Err(err)
+            }
+        }
     }
 
-    /*
-    fn rmdir(&mut self, path: &str) -> Result<usize> {
-        println!("rmdir {}", path);
-        Err(Error::new(ENOENT))
+    fn rmdir(&mut self, url: &str) -> Result<usize> {
+        let path = url.split(':').nth(1).unwrap_or("").trim_matches('/');
+
+        let mut nodes = Vec::new();
+        let child = try!(self.path_nodes(path, &mut nodes));
+        if let Some(parent) = nodes.last() {
+            if child.1.is_dir() {
+                if let Ok(child_name) = child.1.name() {
+                    self.fs.remove_node(Node::MODE_DIR, child_name, parent.0).and(Ok(0))
+                } else {
+                    Err(Error::new(ENOENT))
+                }
+            } else {
+                Err(Error::new(ENOTDIR))
+            }
+        } else {
+            Err(Error::new(EPERM))
+        }
     }
-    */
 
     fn unlink(&mut self, url: &str) -> Result<usize> {
         let path = url.split(':').nth(1).unwrap_or("").trim_matches('/');