3 files changed, 35 insertions, 42 deletions

diff --git a/src/format/energymech.rs b/src/format/energymech.rs
index df48318..5965dfa 100644
--- a/src/format/energymech.rs
+++ b/src/format/energymech.rs
@@ -28,13 +28,13 @@ pub struct Energymech;
 
 static TIME_FORMAT: &'static str = "%H:%M:%S";
 
-pub struct Iter<'a, R: 'a> where R: BufRead {
+pub struct Iter<'a> {
     context: &'a Context,
-    input: R,
+    input: &'a mut BufRead,
     buffer: Vec<u8>
 }
 
-impl<'a, R: 'a> Iterator for Iter<'a, R> where R: BufRead {
+impl<'a> Iterator for Iter<'a> {
     type Item = ::Result<Event<'a>>;
     fn next(&mut self) -> Option<::Result<Event<'a>>> {
         fn parse_time(context: &Context, time: &str) -> Time {
@@ -153,14 +153,13 @@ impl<'a, R: 'a> Iterator for Iter<'a, R> where R: BufRead {
     }
 }
 
-impl<'a, R: 'a> Decode<'a, R> for Energymech where R: BufRead {
-    type Output = Iter<'a, R>;
-    fn decode(&'a mut self, context: &'a Context, input: R) -> Iter<R> {
-        Iter {
+impl<'a> Decode<'a> for Energymech {
+    fn decode(&'a mut self, context: &'a Context, input: &'a mut BufRead) -> Box<Iterator<Item = ::Result<Event<'a>>> + 'a> {
+        Box::new(Iter {
             context: context,
             input: input,
             buffer: Vec::new()
-        }
+        })
     }
 }
 
diff --git a/src/format/mod.rs b/src/format/mod.rs
index f918287..4f8eaa1 100644
--- a/src/format/mod.rs
+++ b/src/format/mod.rs
@@ -16,55 +16,50 @@
 //! As the source format may not provide the same information as the
 //! target format, all formats must allow for omittable information.
 
+use std::iter;
 use std::io::{ BufRead, Write };
 use std::borrow::Cow;
 
 use event::Event;
 use context::Context;
 
-pub mod weechat3;
-pub mod energymech;
-pub mod binary;
-pub mod msgpack;
+//pub mod weechat3;
+//pub mod energymech;
+//pub mod binary;
+//pub mod msgpack;
 
 pub trait Encode<'a, W> where W: Write {
     fn encode(&'a self, context: &'a Context, output: W, event: &'a Event) -> ::Result<()>;
 }
 
-pub trait Decode<'a, Input> where Input: BufRead,
-                                  Self::Output: Iterator<Item = ::Result<Event<'a>>> + 'a {
-    type Output;
-    fn decode(&'a mut self, context: &'a Context, input: Input) -> Self::Output;
+pub trait Decode<'a, 'b, 'c>  {
+    fn decode(&'a mut self, context: &'b Context, input: &'c mut BufRead) -> Box<Iterator<Item = ::Result<Event<'a>>> + 'a>;
 }
 
-pub trait DecodeBox<'a, I> {
-    fn decode_box(&'a mut self, context: &'a Context, input: I)
-    -> Box<Iterator<Item = ::Result<Event>> + 'a>;
-}
+pub struct Dummy;
 
-impl<'a, T, I: BufRead> DecodeBox<'a, I> for T where T: Decode<'a, I> {
-    fn decode_box(&'a mut self, context: &'a Context, input: I)
-    -> Box<Iterator<Item = ::Result<Event>> + 'a> {
-        Box::new(self.decode(context, input))
+impl <'a, 'b, 'c> Decode<'a, 'b, 'c> for Dummy {
+    fn decode(&'a mut self, _context: &'b Context, _input: &'c mut BufRead) -> Box<Iterator<Item = ::Result<Event<'a>>> + 'a> {
+        Box::new(iter::empty())
     }
 }
 
-pub fn decoder<'a>(format: &str) -> Option<Box<DecodeBox<'a, &'a mut BufRead>>> {
+pub fn decoder<'a, 'b, 'c>(format: &str) -> Option<Box<Decode<'a, 'b, 'c>>> {
     match format {
-        "energymech" => Some(Box::new(energymech::Energymech)),
-        "weechat3" => Some(Box::new(weechat3::Weechat3)),
-        "binary" => Some(Box::new(binary::Binary)),
-        "msgpack" => Some(Box::new(msgpack::Msgpack)),
+//        "energymech" => Some(Box::new(energymech::Energymech)),
+//        "weechat3" => Some(Box::new(weechat3::Weechat3)),
+//        "binary" => Some(Box::new(binary::Binary)),
+//        "msgpack" => Some(Box::new(msgpack::Msgpack)),
         _ => None
     }
 }
 
-pub fn encoder<'a>(format: &str) -> Option<Box<Encode<'a, &'a mut Write>>> {
+pub fn encoder<'a, 'b: 'a>(format: &str) -> Option<Box<Encode<'a, &'b mut Write>>> {
     match format {
-        "energymech" => Some(Box::new(energymech::Energymech)),
-        "weechat3" => Some(Box::new(weechat3::Weechat3)),
-        "binary" => Some(Box::new(binary::Binary)),
-        "msgpack" => Some(Box::new(msgpack::Msgpack)),
+//        "energymech" => Some(Box::new(energymech::Energymech)),
+//        "weechat3" => Some(Box::new(weechat3::Weechat3)),
+//        "binary" => Some(Box::new(binary::Binary)),
+//        "msgpack" => Some(Box::new(msgpack::Msgpack)),
         _ => None
     }
 }
diff --git a/src/format/weechat3.rs b/src/format/weechat3.rs
index e733a38..118bd3b 100644
--- a/src/format/weechat3.rs
+++ b/src/format/weechat3.rs
@@ -26,13 +26,13 @@ pub struct Weechat3;
 
 static TIME_DATE_FORMAT: &'static str = "%Y-%m-%d %H:%M:%S";
 
-pub struct Iter<'a, R: 'a> where R: BufRead {
+pub struct Iter<'a> {
     context: &'a Context,
-    input: R,
+    input: &'a mut BufRead,
     buffer: Vec<u8>
 }
 
-impl<'a, R: 'a> Iterator for Iter<'a, R> where R: BufRead {
+impl<'a> Iterator for Iter<'a> {
     type Item = ::Result<Event<'a>>;
     fn next(&mut self) -> Option<::Result<Event<'a>>> {
         fn parse_time(c: &Context, date: &str, time: &str) -> Time {
@@ -139,14 +139,13 @@ impl<'a, R: 'a> Iterator for Iter<'a, R> where R: BufRead {
     }
 }
 
-impl<'a, I: 'a> Decode<'a, I> for Weechat3 where I: BufRead {
-    type Output = Iter<'a, I>;
-    fn decode(&'a mut self, context: &'a Context, input: I) -> Iter<'a, I> {
-        Iter {
+impl<'a> Decode<'a> for Weechat3 {
+    fn decode(&'a mut self, context: &'a Context, input: &'a mut BufRead) -> Box<Iterator<Item = ::Result<Event<'a>>> + 'a> {
+        Box::new(Iter {
             context: context,
             input: input,
             buffer: Vec::new()
-        }
+        })
     }
 }