Mercurial > urweb
diff tests/gformText.lac @ 151:6c14e78feb6d
gformText test
| author | Adam Chlipala <adamc@hcoop.net> |
|---|---|
| date | Thu, 24 Jul 2008 10:26:18 -0400 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/tests/gformText.lac Thu Jul 24 10:26:18 2008 -0400 @@ -0,0 +1,50 @@ +con stringify = fold (fn nm :: Name => fn u :: Unit => fn t :: {Type} => [nm = string] ++ t) [] + +signature S = sig + con rs :: {Unit} + val names : $(stringify rs) +end + +signature S' = sig + con rs :: {Unit} + + val handler : $(stringify rs) -> page + val page : unit -> page +end + +functor F (M : S) : S' where con rs = M.rs = struct + con rs = M.rs + + val handler = fn x : $(stringify M.rs) => <html><body> + {fold [fn rs :: {Unit} => $(stringify rs) -> $(stringify rs) -> xml body [] []] + (fn nm :: Name => fn u :: Unit => fn rest :: {Unit} => + fn f : $(stringify rest) -> $(stringify rest) -> xml body [] [] => + fn names : $(stringify ([nm] ++ rest)) => + fn x : $(stringify ([nm] ++ rest)) => + <body><li> {cdata names.nm}: {cdata x.nm}</li> {f (names -- nm) (x -- nm)}</body>) + (fn names => fn x => <body></body>) + [M.rs] M.names x} + </body></html> + + val page = fn () => <html><body> + <lform> + {fold [fn rs :: {Unit} => xml lform [] (stringify rs)] + (fn nm :: Name => fn u :: Unit => fn rest :: {Unit} => + fn frag : xml lform [] (stringify rest) => + <lform><li> <textbox{nm}/></li> {useMore frag}</lform>) + <lform></lform> + [rs]} + + <submit action={handler}/> + </lform> + </body></html> +end + +structure M = F(struct + con rs = [A, B, C] + + val names = {A = "A", B = "B", C = "C"} +end) + +open M +