From 1225bf7027f624ad7cc0624ebe44943bc410e781 Mon Sep 17 00:00:00 2001
From: Astro <astro@spaceboyz.net>
Date: Sun, 13 Jan 2019 21:05:19 +0100
Subject: [PATCH] prefix support DRY

---
 src/xmpp_codec.rs | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/xmpp_codec.rs b/src/xmpp_codec.rs
index 199627ba4ffedbd4983dda7451ae6e06e95c4747..69ab5fc23c82b43370d0408a0bb86ce2c0632f11 100644
--- a/src/xmpp_codec.rs
+++ b/src/xmpp_codec.rs
@@ -14,6 +14,7 @@ use std::io;
 use std::iter::FromIterator;
 use std::rc::Rc;
 use std::str::from_utf8;
+use std::borrow::Cow;
 use tokio_codec::{Decoder, Encoder};
 use xml5ever::interface::Attribute;
 use xml5ever::tokenizer::{Tag, TagKind, Token, TokenSink, XmlTokenizer};
@@ -104,11 +105,12 @@ impl ParserSink {
                     "xmlns" => (),
                     _ if is_prefix_xmlns(attr) => (),
                     _ => {
-                        if let Some(ref prefix) = attr.name.prefix {
-                            el_builder = el_builder.attr(format!("{}:{}", prefix, attr.name.local), attr.value.as_ref());
+                        let attr_name = if let Some(ref prefix) = attr.name.prefix {
+                            Cow::Owned(format!("{}:{}", prefix, attr.name.local))
                         } else {
-                            el_builder = el_builder.attr(attr.name.local.as_ref(), attr.value.as_ref());
-                        }
+                            Cow::Borrowed(attr.name.local.as_ref())
+                        };
+                        el_builder = el_builder.attr(attr_name, attr.value.as_ref());
                     }
                 }
             }