From 08e2b1bf76f616b050cb3e10a892bc32ba5592db Mon Sep 17 00:00:00 2001
From: Till Hoeppner
Date: Thu, 23 Jul 2015 23:15:43 +0200
Subject: Functions to select a decoder/encoder based on a name

---
 src/format/mod.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/format/mod.rs b/src/format/mod.rs
index 2a36b34..cd849d5 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -48,6 +48,24 @@ impl<'a, T, I: BufRead> DecodeBox<'a, I> for T where T: Decode<'a, I> {
     }
 }
 
+pub fn decoder(format: &str) -> Option<Box<DecodeBox<&mut BufRead>>> {
+    match format {
+        "energymech" => Some(Box::new(energymech::Energymech)),
+        "weechat3" => Some(Box::new(weechat3::Weechat3)),
+        "binary" => Some(Box::new(binary::Binary)),
+        _ => None
+    }
+}
+
+pub fn encoder(format: &str) -> Option<Box<Encode<&mut Write>>> {
+    match format {
+        "energymech" => Some(Box::new(energymech::Energymech)),
+        "weechat3" => Some(Box::new(weechat3::Weechat3)),
+        "binary" => Some(Box::new(binary::Binary)),
+        _ => None
+    }
+}
+
 fn rejoin(s: &[&str], splits: &[char]) -> Cow<'static, str> {
     let len = s.iter().map(|s| s.len()).sum();
     let mut out = s.iter().zip(splits.iter()).fold(String::with_capacity(len),
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