1 files changed, 127 insertions, 0 deletions
diff --git a/lib/core/libimagstore/src/file_abstraction/stdio/mod.rs b/lib/core/libimagstore/src/file_abstraction/stdio/mod.rs
new file mode 100644
index 00000000..e2ac5ec4
--- /dev/null
+++ b/lib/core/libimagstore/src/file_abstraction/stdio/mod.rs
@@ -0,0 +1,127 @@
+//
+// imag - the personal information management suite for the commandline
+// Copyright (C) 2015, 2016 Matthias Beyer <mail@beyermatthias.de> and contributors
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; version
+// 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+//
+
+use std::rc::Rc;
+use std::cell::RefCell;
+use std::collections::HashMap;
+use std::io::{Read, Write};
+use std::path::PathBuf;
+use std::sync::Arc;
+use std::sync::Mutex;
+use std::ops::Deref;
+use std::fmt::Debug;
+use std::fmt::Error as FmtError;
+use std::fmt::Formatter;
+
+use libimagerror::into::IntoError;
+
+use error::StoreErrorKind as SEK;
+use error::StoreError as SE;
+use super::FileAbstraction;
+use super::FileAbstractionInstance;
+use super::Drain;
+use super::InMemoryFileAbstraction;
+use store::Entry;
+
+pub mod mapper;
+pub mod out;
+use self::mapper::Mapper;
+use self::out::StdoutFileAbstraction;
+
+// Because this is not exported in super::inmemory;
+type Backend = Arc<Mutex<RefCell<HashMap<PathBuf, Entry>>>>;
+
+pub struct StdIoFileAbstraction<W: Write, M: Mapper>(StdoutFileAbstraction<W, M>);
+
+impl<W, M> StdIoFileAbstraction<W, M>
+    where M: Mapper,
+          W: Write
+{
+
+    pub fn new<R: Read>(in_stream: &mut R, out_stream: Rc<RefCell<W>>, mapper: M) -> Result<StdIoFileAbstraction<W, M>, SE> {
+        StdoutFileAbstraction::new(out_stream, mapper)
+            .and_then(|out| {
+                let fill_res = match out.backend().lock() {
+                    Err(_) => Err(SEK::LockError.into_error()),
+                    Ok(mut mtx) => out.mapper().read_to_fs(in_stream, mtx.get_mut())
+                };
+                let _ = try!(fill_res);
+
+                Ok(StdIoFileAbstraction(out))
+            })
+    }
+
+    pub fn backend(&self) -> &Backend {
+        self.0.backend()
+    }
+
+}
+
+impl<W, M> Debug for StdIoFileAbstraction<W, M>
+    where M: Mapper,
+          W: Write
+{
+    fn fmt(&self, f: &mut Formatter) -> Result<(), FmtError> {
+        write!(f, "StdIoFileAbstraction({:?}", self.0)
+    }
+}
+
+impl<W, M> Deref for StdIoFileAbstraction<W, M>
+    where M: Mapper,
+          W: Write
+{
+    type Target = StdoutFileAbstraction<W, M>;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+// basically #[derive(FileAbstraction)]
+impl<W: Write, M: Mapper> FileAbstraction for StdIoFileAbstraction<W, M> {
+
+    fn remove_file(&self, path: &PathBuf) -> Result<(), SE> {
+        self.0.remove_file(path)
+    }
+
+    fn copy(&self, from: &PathBuf, to: &PathBuf) -> Result<(), SE> {
+        self.0.copy(from, to)
+    }
+
+    fn rename(&self, from: &PathBuf, to: &PathBuf) -> Result<(), SE> {
+        self.0.rename(from, to)
+    }
+
+    fn create_dir_all(&self, pb: &PathBuf) -> Result<(), SE> {
+        self.0.create_dir_all(pb)
+    }
+
+    fn new_instance(&self, p: PathBuf) -> Box<FileAbstractionInstance> {
+        self.0.new_instance(p)
+    }
+
+    fn drain(&self) -> Result<Drain, SE> {
+        self.0.drain()
+    }
+
+    fn fill(&mut self, d: Drain) -> Result<(), SE> {
+        self.0.fill(d)
+    }
+}
+