From 5bca38d9af67001ea6d406c1a447e7cc80a41e29 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Wed, 10 Sep 2014 16:02:42 -0400
Subject: move debug output into the library

---
 examples/client.rs |  9 ++-------
 src/client.rs      | 23 ++++++++++++++++++++---
 2 files changed, 22 insertions(+), 10 deletions(-)

diff --git a/examples/client.rs b/examples/client.rs
index c5f31a7..db3b244 100644
--- a/examples/client.rs
+++ b/examples/client.rs
@@ -1,18 +1,13 @@
 extern crate irc;
 
-use std::io;
-
 pub struct ExampleClient;
 
 impl irc::ClientCallbacks for ExampleClient {
-    fn on_any_message (&mut self, _client: &mut irc::Client, m: &irc::Message) -> io::IoResult<()> {
-        print!("{}", m.to_protocol_string());
-        Ok(())
-    }
 }
 
 fn main () {
-    let builder = irc::ClientBuilder::new("doytest", "chat.freenode.net");
+    let mut builder = irc::ClientBuilder::new("doytest", "chat.freenode.net");
+    builder.set_debug(true);
     let client = builder.connect();
     client.run_loop_with_callbacks(ExampleClient);
 }
diff --git a/src/client.rs b/src/client.rs
index 04b2b0b..8f7ee6f 100644
--- a/src/client.rs
+++ b/src/client.rs
@@ -19,6 +19,8 @@ pub struct ClientBuilder {
 
     servername: String,
     port: u16,
+
+    debug: bool,
 }
 
 impl ClientBuilder {
@@ -33,6 +35,8 @@ impl ClientBuilder {
 
             servername: servername.to_string(),
             port: 6667,
+
+            debug: false,
         }
     }
 
@@ -61,6 +65,11 @@ impl ClientBuilder {
         self
     }
 
+    pub fn set_debug (&mut self, debug: bool) -> &mut ClientBuilder {
+        self.debug = debug;
+        self
+    }
+
     pub fn connect (self) -> Client {
         let stream = io::TcpStream::connect(self.servername.as_slice(), self.port);
         let mut stream = stream.unwrap();
@@ -116,13 +125,21 @@ impl Client {
 
         // XXX handle different encodings
         match Message::parse(String::from_utf8_lossy(buf.slice(0, len)).as_slice()) {
-            Ok(m) => Ok(m),
+            Ok(m) => {
+                if self.builder.debug {
+                    print!("R {}", m.to_protocol_string());
+                }
+                Ok(m)
+            },
             Err(s) => Err(ParseError(s)),
         }
     }
 
-    pub fn write (&mut self, msg: Message) -> io::IoResult<()> {
-        try!(msg.write_protocol_string(self.conn()));
+    pub fn write (&mut self, m: Message) -> io::IoResult<()> {
+        try!(m.write_protocol_string(self.conn()));
+        if self.builder.debug {
+            print!("W {}", m.to_protocol_string());
+        }
         Ok(())
     }
 
-- 
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