Whitespace cleanup.

[dead/lwn-epub.git] / src / LWN / Page.hs

diff --git a/src/LWN/Page.hs b/src/LWN/Page.hs
index 2bbe21ae8e918ed49d658cac3fe05b0aa4905843..620e3ec3d8bf66a9a67bff98cc3ac215a2a64b70 100644 (file)
--- a/src/LWN/Page.hs
+++ b/src/LWN/Page.hs
@@ -3,7 +3,7 @@
 module LWN.Page
 where
 
-import qualified Data.Map as Map
+import qualified Data.Map as Map (lookup)
 import Data.Time (getCurrentTime)
 import System.IO (Handle, hClose, hFlush)
 import qualified Data.ByteString.Lazy as B (ByteString, hPut)
@@ -12,7 +12,12 @@ import Data.Maybe (catMaybes, fromJust, isNothing)
 import Test.HUnit (Assertion, assertEqual)
 import Test.Framework (Test, testGroup)
 import Test.Framework.Providers.HUnit (testCase)
-import Text.Pandoc
+import Text.Pandoc (
+  defaultParserState,
+  defaultWriterOptions,
+  readHtml,
+  writeEPUB,
+  writerEPUBMetadata)
 import Text.XML.HXT.Core (
   ArrowXml,
   IOSArrow,
@@ -34,31 +39,14 @@ import Text.XML.HXT.Core (
   runX,
   setElemName,
   xshow,
-  when
-  )
+  when)
 import Text.HandsomeSoup (css, parseHtml)
 
 import LWN.Article
-import LWN.HTTP (save_image)
+import LWN.HTTP (ImageMap, download_image_urls)
 import LWN.URI (URL, try_make_absolute_url)
+import LWN.XHTML (XHTML, to_xhtml)
 import Misc (contains)
-import XHTML
-
--- Map absolute image URLs to local system file paths where the image
--- referenced by the URL is stored.
-type ImageMap = Map.Map URL FilePath
-
-download_image_urls :: [URL] -> IO ImageMap
-download_image_urls image_urls = do
-  files <- mapM save_image image_urls
-  let pairs = zip image_urls files
-  return $ foldl my_insert empty_map pairs
-  where
-    empty_map = Map.empty :: ImageMap
-
-    my_insert :: ImageMap -> (URL, Maybe FilePath) -> ImageMap
-    my_insert dict (_, Nothing)  = dict
-    my_insert dict (k, Just v) = Map.insert k v dict
 
 -- Should be called *after* preprocessing.
 download_images :: IOSArrow XmlTree XmlTree -> IO ImageMap
@@ -122,7 +110,7 @@ is_link =
 remove_comment_links  :: (ArrowXml a) => a XmlTree XmlTree
 remove_comment_links =
   processTopDown $ kill_comments `when` is_link
-  where    
+  where
     is_comment_link =
       hasAttrValue "href" (contains "#Comments")
 
@@ -178,7 +166,7 @@ parse xml = do
   return $
     if (isNothing appr) then
       fppr
-    else 
+    else
       appr
 
 
@@ -212,12 +200,12 @@ parse_byline xml = do
 --
 ap_parse :: IOSArrow XmlTree XmlTree -> IO (Maybe Page)
 ap_parse xml = do
-    arts <- ap_parse_articles xml          
+    arts <- ap_parse_articles xml
     case arts of
       [x] -> return $ Just $ ArticlePage x
       _   -> return Nothing
 
-  
+
 ap_parse_body :: IOSArrow XmlTree XmlTree -> IO (Maybe String)
 ap_parse_body xml = do
   let element_filter = xml >>> css "div.ArticleText"
@@ -239,11 +227,11 @@ ap_parse_articles xml = do
 
   if (isNothing parsed_headline) || (isNothing parsed_body)
   then return []
-  else do    
+  else do
     let title'  = Title    $ fromJust parsed_headline
     let byline' = Byline     parsed_byline
     let body'   = BodyHtml $ fromJust parsed_body
-    
+
     return $ [Article title' byline' body']
 
 
@@ -335,7 +323,7 @@ parse_html_article html = do
   let xml = parseHtml $ wrap_in_body_div html
   fp_parse_article xml
 
-  
+
 -- | In the full page, all of the article titles and bodies are
 --   wrapped in one big div.ArticleText.
 parse_bodies :: IOSArrow XmlTree XmlTree -> IOSArrow XmlTree XmlTree
@@ -427,7 +415,7 @@ make_image_srcs_absolute =
       changeAttrValue try_make_absolute_url
 
     make_srcs_absolute :: (ArrowXml a) => a XmlTree XmlTree
-    make_srcs_absolute = 
+    make_srcs_absolute =
       processAttrl $ change_src `when` hasName "src"