timetable

grammars/timetable/Timetable.gf

@@ -0,0 +1,31 @@
+abstract Timetable = {
+  cat
+    Table ;
+    TrainList CityList ;
+    City ;
+    CityList ;
+    Train CityList ;
+    Stop ;
+    Time ;
+    Number ;
+
+  fun
+    MkTable : (cs : CityList) -> TrainList cs -> Table ;
+    NilTrain : (cs : CityList) -> TrainList cs ;
+    ConsTrain : 
+      (cs : CityList) -> Number -> Train cs -> TrainList cs -> TrainList cs ;
+    OneCity : City -> CityList ;
+    ConsCity : City -> CityList -> CityList ;
+
+    StopTime : Time -> Stop ;
+    NoStop : Stop ;
+    
+    LocTrain : (c : City) -> Stop -> Train (OneCity c) ;
+    CityTrain : 
+      (c : City) -> Stop -> (cs : CityList) -> 
+        Train cs -> Train (ConsCity c cs) ;
+
+    T : Int -> Time ;
+    N : Int -> Number ;
+    C : String -> City ;
+}

grammars/timetable/TimetableEng.gf

@@ -0,0 +1,22 @@
+--# -path=.:../prelude
+
+concrete TimetableEng of Timetable = open Prelude in {
+
+  lin
+    MkTable cs ts = ss (["trains on the line from"] ++ cs.s ++ ":" ++ ts.s) ;
+    NilTrain _ = ss [] ;
+    ConsTrain cs n t ts = ss (n.s ++ ":" ++ t.s ++ ";") ;
+    OneCity c = c ;
+    ConsCity c cs = ss (c.s ++ "to" ++ cs.s) ;
+
+    StopTime t = t ;
+    NoStop = ss ["no stop"] ;
+
+    LocTrain c s = cc2 c s ;
+    CityTrain c s cs t = ss (c.s ++ s.s ++ "," ++ t.s) ;
+
+    T i = prefixSS "at" i ;
+    N n = prefixSS "train" n ;
+    C s = s ;
+
+}

grammars/timetable/TimetableHTML.gf

@@ -0,0 +1,24 @@
+--# -path=.:../prelude
+
+concrete TimetableHTML of Timetable = open Prelude in {
+
+  lin
+    MkTable cs ts = 
+      ss ("<table>" ++ "<tr><td></td>"++ cs.s ++ </tr> ++ ts.s ++ "</table>") ;
+    NilTrain _ = ss [] ;
+    ConsTrain cs n t ts = 
+      ss ("<tr>" ++ n.s ++ t.s ++ "</tr>") ;
+    OneCity c = ss ("<td>" ++ c ++ "</td>") ;
+    ConsCity c cs = ss (c.s ++ "to" ++ cs.s) ;
+
+    StopTime t = t ;
+    NoStop = ss ["no stop"] ;
+
+    LocTrain c s = cc2 c s ;
+    CityTrain c s cs t = ss (c.s ++ s.s ++ "," ++ t.s) ;
+
+    T i = prefixSS "at" i ;
+    N n = prefixSS "train" n ;
+    C s = s ;
+
+}