diff --git a/examples/example-from-documentation/Main.hs b/examples/example-from-documentation/Main.hs
index 57067d6..e82353d 100644
--- a/examples/example-from-documentation/Main.hs
+++ b/examples/example-from-documentation/Main.hs
@@ -1,28 +1,37 @@
{-# LANGUAGE OverloadedStrings #-}
+import Control.Applicative ((<|>))
import Text.HTML.Scalpel
-import Control.Applicative
-
-
-exampleHtml :: String
-exampleHtml = "\
-\ \
-\ \
-\ \
-\"
+
+htmlString :: String
+htmlString =
+ "\
+ \ \
+ \ \
+ \ \
+ \"
+
+main :: IO ()
+main = do
+ -- We can either scrape a raw html of any StringLike type (fetched before by other means):
+ let scrapedCommentsFromString = scrapeStringLike htmlString comments
+ -- prints: Just [TextComment "Sally" "Woo hoo!",ImageComment "Bill" "http://example.com/cat.gif"]
+ print scrapedCommentsFromString
+
+ -- or let Scalpel fetch and scrape an HTML page for us for convenience :
+ scrapedCommentsFromUrl <- scrapeURL "http://example.org/article.html" comments
+ -- example.org doesn't have the HTML above
+ -- prints: Just []
+ print scrapedCommentsFromUrl
type Author = String
@@ -31,23 +40,20 @@ data Comment
| ImageComment Author URL
deriving (Show, Eq)
-main :: IO ()
-main = print $ scrapeStringLike exampleHtml comments
- where
- comments :: Scraper String [Comment]
- comments = chroots ("div" @: [hasClass "container"]) comment
-
+comments :: Scraper String [Comment]
+comments = chroots ("div" @: [hasClass "container"]) comment
+ where
comment :: Scraper String Comment
comment = textComment <|> imageComment
textComment :: Scraper String Comment
textComment = do
- author <- text $ "span" @: [hasClass "author"]
- commentText <- text $ "div" @: [hasClass "text"]
+ author <- text $ "span" @: [hasClass "author"]
+ commentText <- text $ "div" @: [hasClass "text"]
return $ TextComment author commentText
imageComment :: Scraper String Comment
imageComment = do
- author <- text $ "span" @: [hasClass "author"]
- imageURL <- attr "src" $ "img" @: [hasClass "image"]
+ author <- text $ "span" @: [hasClass "author"]
+ imageURL <- attr "src" $ "img" @: [hasClass "image"]
return $ ImageComment author imageURL
\
-\