From 391225eea26bb2484cbf49d0ca5964ab3176b974 Mon Sep 17 00:00:00 2001
From: Łukasz Hanuszczak <lukasz.hanuszczak@gmail.com>
Date: Fri, 21 Aug 2015 19:32:37 +0200
Subject: Create helper function for conversion between XML and XHTML.

---
 haddock-test/haddock-test.cabal        |  2 +-
 haddock-test/src/Test/Haddock/Xhtml.hs | 19 +++++++++++++++++++
 2 files changed, 20 insertions(+), 1 deletion(-)

diff --git a/haddock-test/haddock-test.cabal b/haddock-test/haddock-test.cabal
index 18c9d28b..0394da8f 100644
--- a/haddock-test/haddock-test.cabal
+++ b/haddock-test/haddock-test.cabal
@@ -16,7 +16,7 @@ library
   default-language: Haskell2010
   ghc-options: -Wall
   hs-source-dirs:   src
-  build-depends:    base, directory, process, filepath, Cabal, xml, syb
+  build-depends:    base, directory, process, filepath, Cabal, xml, xhtml, syb
 
   exposed-modules:
     Test.Haddock
diff --git a/haddock-test/src/Test/Haddock/Xhtml.hs b/haddock-test/src/Test/Haddock/Xhtml.hs
index d8c26249..21fda36d 100644
--- a/haddock-test/src/Test/Haddock/Xhtml.hs
+++ b/haddock-test/src/Test/Haddock/Xhtml.hs
@@ -13,6 +13,7 @@ import Data.Generics.Aliases
 import Data.Generics.Schemes
 
 import Text.XML.Light
+import Text.XHtml
 
 
 newtype Xhtml = Xhtml
@@ -72,3 +73,21 @@ stripFooter =
         [ qName attrKey == "id"
         , attrVal == "footer"
         ]
+
+
+xmlElementToXhtml :: Element -> Html
+xmlElementToXhtml (Element { .. }) =
+    tag (qName elName) contents ! attrs
+  where
+    contents = mconcat $ map xmlContentToXhtml elContent
+    attrs = map xmlAttrToXhtml elAttribs
+
+
+xmlContentToXhtml :: Content -> Html
+xmlContentToXhtml (Elem el) = xmlElementToXhtml el
+xmlContentToXhtml (Text text) = toHtml $ cdData text
+xmlContentToXhtml (CRef cref) = noHtml
+
+
+xmlAttrToXhtml :: Attr -> HtmlAttr
+xmlAttrToXhtml (Attr { .. }) = strAttr (qName attrKey) attrVal
-- 
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