From 52eb81a6f78833a2b3135f55b407e3123e789f06 Mon Sep 17 00:00:00 2001
From: Matthias Beyer <mail@beyermatthias.de>
Date: Sat, 26 Mar 2016 14:41:34 +0100
Subject: [PATCH] Add initial codebase

---
 libimagentrylist/src/error.rs  | 83 ++++++++++++++++++++++++++++++++++
 libimagentrylist/src/lib.rs    |  4 ++
 libimagentrylist/src/lister.rs | 10 ++++
 libimagentrylist/src/result.rs |  6 +++
 4 files changed, 103 insertions(+)
 create mode 100644 libimagentrylist/src/error.rs
 create mode 100644 libimagentrylist/src/lister.rs
 create mode 100644 libimagentrylist/src/result.rs

diff --git a/libimagentrylist/src/error.rs b/libimagentrylist/src/error.rs
new file mode 100644
index 00000000..82f6b387
--- /dev/null
+++ b/libimagentrylist/src/error.rs
@@ -0,0 +1,83 @@
+use std::error::Error;
+use std::fmt::Error as FmtError;
+use std::clone::Clone;
+use std::fmt::{Display, Formatter};
+
+/**
+ * Kind of error
+ */
+#[derive(Clone, Copy, Debug, PartialEq)]
+pub enum ListErrorKind {
+    FormatError,
+    EntryError,
+    IterationError
+}
+
+fn counter_error_type_as_str(err: &ListErrorKind) -> &'static str{
+    match err {
+        &ListErrorKind::FormatError    => "FormatError",
+        &ListErrorKind::EntryError     => "EntryError",
+        &ListErrorKind::IterationError => "IterationError",
+    }
+}
+
+impl Display for ListErrorKind {
+
+    fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
+        try!(write!(fmt, "{}", counter_error_type_as_str(self)));
+        Ok(())
+    }
+
+}
+
+/**
+ * Store error type
+ */
+#[derive(Debug)]
+pub struct ListError {
+    err_type: ListErrorKind,
+    cause: Option<Box<Error>>,
+}
+
+impl ListError {
+
+    /**
+     * Build a new ListError from an ListErrorKind, optionally with cause
+     */
+    pub fn new(errtype: ListErrorKind, cause: Option<Box<Error>>) -> ListError {
+            ListError {
+                err_type: errtype,
+                cause: cause,
+            }
+        }
+
+    /**
+     * Get the error type of this ListError
+     */
+    pub fn err_type(&self) -> ListErrorKind {
+        self.err_type.clone()
+    }
+
+}
+
+impl Display for ListError {
+
+    fn fmt(&self, fmt: &mut Formatter) -> Result<(), FmtError> {
+        try!(write!(fmt, "[{}]", counter_error_type_as_str(&self.err_type.clone())));
+        Ok(())
+    }
+
+}
+
+impl Error for ListError {
+
+    fn description(&self) -> &str {
+        counter_error_type_as_str(&self.err_type.clone())
+    }
+
+    fn cause(&self) -> Option<&Error> {
+        self.cause.as_ref().map(|e| &**e)
+    }
+
+}
+
diff --git a/libimagentrylist/src/lib.rs b/libimagentrylist/src/lib.rs
index 880c1231..b47d1f2e 100644
--- a/libimagentrylist/src/lib.rs
+++ b/libimagentrylist/src/lib.rs
@@ -3,3 +3,7 @@ extern crate toml;
 
 extern crate libimagstore;
 
+pub mod error;
+pub mod lister;
+pub mod result;
+
diff --git a/libimagentrylist/src/lister.rs b/libimagentrylist/src/lister.rs
new file mode 100644
index 00000000..b54328e6
--- /dev/null
+++ b/libimagentrylist/src/lister.rs
@@ -0,0 +1,10 @@
+use libimagstore::store::FileLockEntry;
+
+use result::Result;
+
+pub trait Lister {
+
+    fn list<'a, I: Iterator<Item = FileLockEntry<'a>>>(&self, entries: I) -> Result<()>;
+
+}
+
diff --git a/libimagentrylist/src/result.rs b/libimagentrylist/src/result.rs
new file mode 100644
index 00000000..729cce41
--- /dev/null
+++ b/libimagentrylist/src/result.rs
@@ -0,0 +1,6 @@
+use std::result::Result as RResult;
+
+use error::ListError;
+
+pub type Result<T> = RResult<T, ListError>;
+