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module HaddockDevHelp(ppDevHelpFile) where
import HaddockModuleTree
import HaddockTypes
import HaddockUtil
import HsSyn2 hiding(Doc)
import qualified Map
import Data.Maybe ( fromMaybe )
import Text.PrettyPrint
ppDevHelpFile :: FilePath -> String -> Maybe String -> [Interface] -> IO ()
ppDevHelpFile odir doctitle maybe_package ifaces = do
let devHelpFile = package++".devhelp"
tree = mkModuleTree [ (iface_module iface,
iface_package iface,
toDescription iface)
| iface <- ifaces ]
doc =
text "<?xml version=\"1.0\" encoding=\"utf-8\" standalone=\"no\"?>" $$
(text "<book xmlns=\"http://www.devhelp.net/book\" title=\""<>text doctitle<>
text "\" link=\""<>text contentsHtmlFile<>text"\" author=\"\" name=\""<>text package<>text "\">") $$
text "<chapters>" $$
nest 4 (ppModuleTree [] tree) $+$
text "</chapters>" $$
text "<functions>" $$
nest 4 (ppList index) $+$
text "</functions>" $$
text "</book>"
writeFile (pathJoin [odir, devHelpFile]) (render doc)
where
package = fromMaybe "pkg" maybe_package
ppModuleTree :: [String] -> [ModuleTree] -> Doc
ppModuleTree ss [x] = ppNode ss x
ppModuleTree ss (x:xs) = ppNode ss x $$ ppModuleTree ss xs
ppModuleTree _ [] = error "HaddockHH.ppHHContents.fn: no module trees given"
ppNode :: [String] -> ModuleTree -> Doc
ppNode ss (Node s leaf _pkg _short ts) =
case ts of
[] -> text "<sub"<+>ppAttribs<>text "/>"
ts ->
text "<sub"<+>ppAttribs<>text ">" $$
nest 4 (ppModuleTree (s:ss) ts) $+$
text "</sub>"
where
ppLink | leaf = text (moduleHtmlFile mdl)
| otherwise = empty
ppAttribs = text "name="<>doubleQuotes (text s)<+>text "link="<>doubleQuotes ppLink
mdl = foldr (++) "" (s' : map ('.':) ss')
(s':ss') = reverse (s:ss)
-- reconstruct the module name
index :: [(HsName, [Module])]
index = Map.toAscList (foldr getIfaceIndex Map.empty ifaces)
getIfaceIndex iface fm =
Map.unionWith (++) (Map.fromListWith (flip (++)) [(name, [mdl]) | (name, Qual mdl' _) <- Map.toAscList (iface_env iface), mdl == mdl']) fm
where mdl = iface_module iface
ppList [] = empty
ppList ((name,refs):mdls) =
ppReference name refs $$
ppList mdls
ppReference name [] = empty
ppReference name (Module mdl:refs) =
text "<function name=\""<>text (escapeStr (show name))<>text"\" link=\""<>text (nameHtmlRef mdl name)<>text"\"/>" $$
ppReference name refs
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