Embed/TemplateApp

src/GF/Embed/TemplateApp.hs

@@ -0,0 +1,44 @@
+module Main where
+
+import GF.Embed.EmbedAPI
+import System
+
+-- Simple translation application built on EmbedAPI. AR 7/10/2005
+
+main :: IO ()
+main = do
+  file:_  <- getArgs
+  grammar <- file2grammar file
+  translate grammar
+
+translate :: MultiGrammar -> IO ()
+translate grammar = do
+  s <- getLine
+  if s == "quit" then return () else do
+    treat grammar s
+    translate grammar
+
+treat :: MultiGrammar -> String -> IO ()
+treat grammar s = putStrLn $ case comm of
+  ["lin"]        -> unlines $ linearizeAll grammar $ readTree grammar rest 
+  ["lin",lang]   -> linearize grammar lang $ readTree grammar rest 
+  ["parse",cat]  -> unlines $ map showTree $ concat $ parseAll grammar cat rest
+  ["parse",lang,cat] -> unlines $ map showTree $ parse grammar lang cat rest
+  ["langs"]      -> unwords $ languages grammar
+  ["cats"]       -> unwords $ categories grammar
+  ["help"]       -> helpMsg
+  _ -> "command not interpreted: " ++ s
+ where
+   (comm,rest) = (words c,drop 1 r) where
+      (c,r) = span (/=':') s
+
+helpMsg = unlines [
+  "lin : <Tree>",
+  "lin <Lang> : <Tree>",
+  "parse <Cat> : <String>",
+  "parse <Lang> <Cat> : <String>",
+  "langs",
+  "cats",
+  "help",
+  "quit"
+  ]