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PGF service: new command: download

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This makes it possible to download PGF files from servers where the PGF service
is installed.

I am also considering making commmand=download the default instead of
command=grammar.
This commit is contained in:
hallgren
2013-01-09 13:28:45 +00:00
parent ccc3d6be0d
commit eb21f73fd3
2 changed files with 13 additions and 8 deletions
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14
src/server/FastCGIUtils.hs
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@@ -3,9 +3,8 @@ module FastCGIUtils (--initFastCGI, loopFastCGI,
throwCGIError, handleCGIErrors, throwCGIError, handleCGIErrors,
stderrToFile,logError, stderrToFile,logError,
outputJSONP,outputEncodedJSONP, outputJSONP,outputEncodedJSONP,
outputPNG, outputPNG,outputBinary,
outputHTML, outputHTML,outputPlain,
outputPlain,
splitBy) where splitBy) where
import Control.Concurrent import Control.Concurrent
@@ -177,14 +176,19 @@ outputPNG x = do
setHeader "Content-Type" "image/png" setHeader "Content-Type" "image/png"
outputFPS x outputFPS x
outputBinary :: BS.ByteString -> CGI CGIResult
outputBinary x = do
setHeader "Content-Type" "application/binary"
outputFPS x
outputHTML :: String -> CGI CGIResult outputHTML :: String -> CGI CGIResult
outputHTML x = do outputHTML x = do
setHeader "Content-Type" "text/html" setHeader "Content-Type" "text/html; charset=utf-8"
outputStrict $ UTF8.encodeString x outputStrict $ UTF8.encodeString x
outputPlain :: String -> CGI CGIResult outputPlain :: String -> CGI CGIResult
outputPlain x = do outputPlain x = do
setHeader "Content-Type" "text/plain" setHeader "Content-Type" "text/plain; charset=utf-8"
outputStrict $ UTF8.encodeString x outputStrict $ UTF8.encodeString x
outputStrict :: String -> CGI CGIResult outputStrict :: String -> CGI CGIResult

7
src/server/PGFService.hs
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@@ -51,11 +51,12 @@ cgiMain' cache path =
do pgf <- liftIO $ readCache cache path do pgf <- liftIO $ readCache cache path
command <- liftM (maybe "grammar" (urlDecodeUnicode . UTF8.decodeString)) command <- liftM (maybe "grammar" (urlDecodeUnicode . UTF8.decodeString))
(getInput "command") (getInput "command")
pgfMain pgf command pgfMain path pgf command
pgfMain :: PGF -> String -> CGI CGIResult pgfMain :: FilePath -> PGF -> String -> CGI CGIResult
pgfMain pgf command = pgfMain path pgf command =
case command of case command of
"download" -> outputBinary =<< liftIO (BS.readFile path)
"parse" -> outputJSONP =<< doParse pgf `fmap` getText `ap` getCat `ap` getFrom `ap` getLimit "parse" -> outputJSONP =<< doParse pgf `fmap` getText `ap` getCat `ap` getFrom `ap` getLimit
"complete" -> outputJSONP =<< doComplete pgf `fmap` getText `ap` getCat `ap` getFrom `ap` getLimit "complete" -> outputJSONP =<< doComplete pgf `fmap` getText `ap` getCat `ap` getFrom `ap` getLimit
"linearize" -> outputJSONP =<< doLinearize pgf `fmap` getTree `ap` getTo "linearize" -> outputJSONP =<< doLinearize pgf `fmap` getTree `ap` getTo