changed names of resource-1.3; added a note on homepage on release

src/GF/Compile/Export.hs

@@ -0,0 +1,61 @@
+module GF.Compile.Export where
+
+import PGF.CId
+import PGF.Data (PGF(..))
+import PGF.Raw.Print (printTree)
+import PGF.Raw.Convert (fromPGF)
+import GF.Compile.GFCCtoHaskell
+import GF.Compile.GFCCtoJS
+import GF.Infra.Option
+import GF.Speech.CFG
+import GF.Speech.PGFToCFG
+import GF.Speech.SRGS_XML
+import GF.Speech.JSGF
+import GF.Speech.GSL
+import GF.Speech.VoiceXML
+import GF.Speech.SLF
+import GF.Speech.PrRegExp
+import GF.Text.UTF8
+
+import Data.Maybe
+import System.FilePath
+
+-- top-level access to code generation
+
+exportPGF :: Options
+          -> OutputFormat 
+          -> PGF 
+          -> [(FilePath,String)] -- ^ List of recommended file names and contents.
+exportPGF opts fmt pgf = 
+    case fmt of
+      FmtPGF          -> multi "pgf" printPGF
+      FmtJavaScript   -> multi "js"  pgf2js
+      FmtHaskell      -> multi "hs"  (grammar2haskell name)
+      FmtHaskell_GADT -> multi "hs"  (grammar2haskellGADT name)
+      FmtBNF          -> single "bnf"   bnfPrinter
+      FmtSRGS_XML     -> single "grxml" (srgsXmlPrinter sisr)
+      FmtJSGF         -> single "jsgf"  (jsgfPrinter sisr)
+      FmtGSL          -> single "gsl"   gslPrinter
+      FmtVoiceXML     -> single "vxml"  grammar2vxml
+      FmtSLF          -> single ".slf"  slfPrinter
+      FmtRegExp       -> single ".rexp" regexpPrinter
+      FmtFA           -> single ".dot"  slfGraphvizPrinter
+ where
+   name = fromMaybe (prCId (absname pgf)) (moduleFlag optName opts)
+   sisr = flag optSISR opts
+
+   multi :: String -> (PGF -> String) -> [(FilePath,String)]
+   multi ext pr = [(name <.> ext, pr pgf)]
+
+   single :: String -> (PGF -> CId -> String) -> [(FilePath,String)]
+   single ext pr = [(prCId cnc <.> ext, pr pgf cnc) | cnc <- cncnames pgf]
+
+-- | Get the name of the concrete syntax to generate output from.
+-- FIXME: there should be an option to change this.
+outputConcr :: PGF -> CId
+outputConcr pgf = case cncnames pgf of
+                    []     -> error "No concrete syntax."
+                    cnc:_  -> cnc
+
+printPGF :: PGF -> String
+printPGF = encodeUTF8 . printTree . fromPGF