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server.hs
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server.hs
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{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE ExtendedDefaultRules #-}
import Database.SQLite.Simple
import Lucid
import Web.Scotty
import Data.Default (def)
import Control.Monad.IO.Class
import Control.Monad
import Data.Text (Text)
import Data.Binary (decodeFileOrFail, encodeFile)
import System.Exit
import System.Environment
import System.Directory
import System.IO (hPutStrLn, stderr)
import System.IO.Error
import System.FilePath ( (</>) )
import Data.Aeson.Types
import qualified Text.MMark as MMark
import Data.Maybe
import Jassbot.Search
import Jassbot.DB
import Jassbot.Signature
import qualified Jass.Ast
instance ToJSON Jass.Ast.Constant
instance ToJSON Native
instance ToJSON Signature
annotation :: Text -> Text -> Text -> Html ()
annotation line name v =
case name of
"async" -> do
b_ "async"
": "
p_ "This function is asynchronous. The values it returns are not guaranteed to be the same for each player. If you attempt to use it in an synchronous manner it may cause a desync."
"pure" -> do
b_ "pure"
": "
p_ "This function is pure. For the same values passed to it, it will always return the same value."
"source-file" -> do
b_ "Source"
": "
a_ [href_ $ "https://github.com/lep/jassdoc/blob/master/" <> v <> "#L" <> line] $ toHtml v
"source-code" -> do
b_ "Source code"
": "
p_ $ pre_ $ toHtml v
"return-type" -> do
b_ "return type"
": "
code_ $ toHtml v
"event" -> do
b_ "event"
": "
code_ $ toHtml v
_ -> do
b_ $ toHtml name
p_ $ markdown $ Just v
markdown x = fromMaybe mempty $ do
doc <- x
case MMark.parse "" doc of
Left _ -> Nothing
Right f -> pure $ MMark.render f
--page :: Text -> Html ()
--docPage :: Html () -> Html ()
docPage :: Text -> Text -> [(Text, Text, Maybe Text)] -> [(Text, Text)] -> Html ()
docPage fn line params anns = do
html_ $ do
head_ $ do
meta_ [charset_ "utf-8"]
title_ $ toHtml fn
link_ [rel_ "stylesheet", type_ "text/css", href_ "/hl.css"]
link_ [rel_ "stylesheet", type_ "text/css", href_ "/style.css"]
script_ [src_ "/test.js"] ("" :: Text)
body_ [onload_ "hl()"] $ do
div_ [id_ "main"] $ do
div_ [id_ "parameters"] $ do
when (not $ null params) $ do
b_ "Parameters"
": "
table_ $ do
forM_ params $ \(name, ty, doc) -> do
tr_ $ do
td_ $ toHtml name
td_ $ code_ $ toHtml ty
td_ $ markdown doc
forM_ anns $ \(name, doc) -> do
div_ $ annotation line name doc
welcomePage :: Html ()
welcomePage = do
h1_ "Welcome to jassbot"
"Jassbot is a JASS2 API search engine, which allows you to search"
" the JASS2 standard API (common.j and Blizzard.j) by either function"
" name, or by approximate type signature."
p_ [id_ "example"] $ do
"Example searches:"
br_ []
a_ [href_ "/search?query=TRVE"] "TRVE"
br_ []
a_ [href_ "/search?query=takes handle returns integer"] "takes handle returns integer"
br_ []
a_ [href_ "/search?query=Unit takes unit, integer, integer real"] "Unit takes unit, integer, integer real"
br_ []
a_ [href_ "/search?query=returns widget"] "returns widget"
"This project is ofcourse heavily inspired by the great "
a_ [href_ "https://hoogle.haskell.org"] "Hoogle"
"."
" Its source code and data is free. You can find the command line interface for jassbot "
a_ [href_ "https://github.com/lep/jassbot"] "here"
" and the source for this webinterface "
a_ [href_ "https://github.com/lep/jassdoc-browser"] "here"
". The data can be found "
a_ [href_ "https://github.com/lep/jassdoc"] "here"
"."
searchPage :: Html () -> Html ()
searchPage x = do
html_ $ do
head_ $ do
meta_ [charset_ "utf-8"]
title_ "Search"
link_ [rel_ "stylesheet", type_ "text/css", href_ "/hl.css"]
link_ [rel_ "stylesheet", type_ "text/css", href_ "/style.css"]
script_ [src_ "/test.js"] ("" :: Text)
script_ [src_ "/preview.js"] ("" :: Text)
body_ [onload_ "hl();setup()"] $ do
div_ [id_ "searchbox"] $ do
form_ [id_ "searchinput", action_ "/search", method_ "get"] $ do
a_ [id_ "home", href_ "/search"] $ toHtmlRaw "λ"
input_ [id_ "search", name_ "query", type_ "text", placeholder_ "Search for..."]
input_ [type_ "submit", value_ "Search"]
div_ [id_ "main"] $ do
div_ [id_ "results"] $ do
x
resultPage :: [(Double, Signature)] -> Html ()
resultPage x = do
forM_ (map snd x) $ \sig -> do
div_ [class_ "result"] $
code_ $ toHtml $ pretty sig
--searchPage
-- :: [(String, String, Maybe String)]
paramQuery :: Query
paramQuery =
"select Ty.param, Ty.value, Doc.value \
\ from \
\ ( select Value, param \
\ from params_extra \
\ where anname == 'param_order' \
\ and fnname == :fnname \
\ ) as Ord \
\ inner join \
\ ( select param, value \
\ from params_extra \
\ where anname == 'param_type' \
\ and fnname == :fnname \
\ ) as Ty on Ty.param == Ord.param \
\ left outer join \
\ ( select param, value from parameters \
\ where fnname == :fnname \
\ ) as Doc on Doc.param == Ord.param \
\ order by Ord.value"
-- :: [(String, String)]
annQuery :: Query
annQuery =
" select anname, value \
\ from annotations \
\ where fnname == :fnname \
\ and anname not in ('start-line', 'end-line') \
\ order by anname "
-- :: [Only String]
lineQuery :: Query
lineQuery =
" select value \
\ from annotations \
\ where fnname == :fnname \
\ and anname == 'start-line' "
getDbPath :: Maybe String -> IO String
getDbPath x =
case x of
Just datadir -> return datadir
Nothing -> getXdgDirectory XdgData "jassbot"
readDb :: Maybe String -> IO DB
readDb p = do
datadir <- getDbPath p
x <- tryIOError (decodeFileOrFail $ datadir </> "jassbot.db")
case x of
Left ex -> do
hPutStrLn stderr $ unwords ["Could not open database. Have you run init yet?", show ex]
exitWith $ ExitFailure 1
Right x' ->
case x' of
Right x' -> return x'
Left (_, msg) -> do
hPutStrLn stderr $ unwords ["Could not open database. Have you run init yet?", msg]
exitWith $ ExitFailure 1
main = do
conn <- open "jass.db"
--path <- Just . head <$> getArgs
db <- readDb Nothing
scottyOpts def { verbose = 0 } $ do
--scotty 3000 $ do
get "/doc/:fn" $ do
fn <- param "fn"
[Only line] <- liftIO $ queryNamed conn lineQuery [":fnname" := fn ]
annotations <- liftIO $ queryNamed conn annQuery [":fnname" := fn ]
params <- liftIO $ queryNamed conn paramQuery [":fnname" := fn]
html $ renderText $ docPage fn line params annotations
get "/search" $ do
q <- param "query" `rescue` const next
let r = take 20 $ search db q 0.4
html $ renderText $ searchPage $ resultPage r
get "/search" $ do
html $ renderText $ searchPage welcomePage
get "/api/:query" $ do
q <- param "query"
let r = take 20 $ search db q 0.4
json r
get "/hl.css" $ file "public/hl.css"
get "/style.css" $ file "public/style.css"
get "/test.js" $ file "public/test.js"
get "/preview.js" $ file "public/preview.js"
get "/favicon.ico" $ file "public/favicon.ico"