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authorfiddlosopher <fiddlosopher@788f1e2b-df1e-0410-8736-df70ead52e1b>2010-03-18 06:45:50 +0000
committerfiddlosopher <fiddlosopher@788f1e2b-df1e-0410-8736-df70ead52e1b>2010-03-18 06:45:50 +0000
commitd704f47b86f49a46fab91969ae3fc92957cc8149 (patch)
tree802fbfedd7e879ff3d096394c9d58d77be192fd3
parent695961155a00738160b05c25588b6b02f681a18e (diff)
Better heuristics for guessing reader to use.
If argument is an absolute URL without a recognized extension, and no reader is explicitly specified, use HTML. git-svn-id: https://pandoc.googlecode.com/svn/trunk@1908 788f1e2b-df1e-0410-8736-df70ead52e1b
-rw-r--r--src/pandoc.hs15
1 files changed, 9 insertions, 6 deletions
diff --git a/src/pandoc.hs b/src/pandoc.hs
index 48a832e2d..cd2768bfc 100644
--- a/src/pandoc.hs
+++ b/src/pandoc.hs
@@ -60,7 +60,7 @@ import Text.Pandoc.Biblio
#endif
import Control.Monad (when, unless, liftM)
import Network.HTTP (simpleHTTP, mkRequest, getResponseBody, RequestMethod(..))
-import Network.URI (parseURI)
+import Network.URI (parseURI, isURI)
import Data.ByteString.Lazy.UTF8 (toString)
copyrightMessage :: String
@@ -536,9 +536,9 @@ usageMessage programName = usageInfo
(intercalate ", " $ map fst writers) ++ "\nOptions:")
-- Determine default reader based on source file extensions
-defaultReaderName :: [FilePath] -> String
-defaultReaderName [] = "markdown"
-defaultReaderName (x:xs) =
+defaultReaderName :: String -> [FilePath] -> String
+defaultReaderName fallback [] = fallback
+defaultReaderName fallback (x:xs) =
case takeExtension (map toLower x) of
".xhtml" -> "html"
".html" -> "html"
@@ -549,7 +549,7 @@ defaultReaderName (x:xs) =
".rst" -> "rst"
".lhs" -> "markdown+lhs"
".native" -> "native"
- _ -> defaultReaderName xs
+ _ -> defaultReaderName fallback xs
-- Returns True if extension of first source is .lhs
lhsExtension :: [FilePath] -> Bool
@@ -667,7 +667,10 @@ main = do
-- assign reader and writer based on options and filenames
let readerName' = if null readerName
- then defaultReaderName sources
+ then let fallback = if any isURI sources
+ then "html"
+ else "markdown"
+ in defaultReaderName fallback sources
else readerName
let writerName' = if null writerName