Ur/Web: tests/crud.ur annotate

annotate tests/crud.ur @ 332:02d15d81ae9b

foldTRX2

author	Adam Chlipala <adamc@hcoop.net>
date	Sat, 13 Sep 2008 11:13:46 -0400
parents	eec65c11d3e2
children	9601c717d2f3

rev	line source
adamc@329	1 con colMeta' = fn t :: Type => {Show : t -> xbody}
adamc@329	2 con colMeta = fn cols :: {Type} => $(Top.mapTT colMeta' cols)
adamc@326	3
adamc@325	4 functor Make(M : sig
adamc@325	5 con cols :: {Type}
adamc@325	6 constraint [Id] ~ cols
adamc@325	7 val tab : sql_table ([Id = int] ++ cols)
adamc@325	8
adamc@325	9 val title : string
adamc@325	10
adamc@327	11 val cols : colMeta cols
adamc@325	12 end) = struct
adamc@325	13
adamc@325	14 open constraints M
adamc@325	15 val tab = M.tab
adamc@325	16
adamc@325	17 fun list () =
adamc@325	18 rows <- query (SELECT * FROM tab AS T)
adamc@329	19 (fn (fs : {T : $([Id = int] ++ M.cols)}) acc => return <body>
adamc@326	20 {acc}
adamc@326	21 <tr>
adamc@326	22 <td>{txt _ fs.T.Id}</td>
adamc@332	23 {foldTRX2 [idT] [colMeta'] [tr]
adamc@329	24 (fn (nm :: Name) (t :: Type) (rest :: {Type}) =>
adamc@326	25 [[nm] ~ rest] =>
adamc@332	26 fn v funcs => <tr>
adamc@329	27 <td>{funcs.Show v}</td>
adamc@326	28 </tr>)
adamc@326	29 [M.cols] (fs.T -- #Id) M.cols}
adamc@326	30 </tr>
adamc@325	31 </body>) <body></body>;
adamc@325	32 return <html><head>
adamc@325	33 <title>List</title>
adamc@325	34
adamc@325	35 </head><body>
adamc@325	36
adamc@325	37 <h1>List</h1>
adamc@325	38
adamc@325	39 <table border={1}>
adamc@325	40 <tr> <th>ID</th> </tr>
adamc@325	41 {rows}
adamc@325	42 </table>
adamc@325	43 </body></html>
adamc@325	44
adamc@325	45 fun main () : transaction page = return <html><head>
adamc@325	46 <title>{cdata M.title}</title>
adamc@325	47 </head><body>
adamc@325	48 <h1>{cdata M.title}</h1>
adamc@325	49
adamc@325	50 <li> <a link={list ()}>List all rows</a></li>
adamc@325	51 </body></html>
adamc@325	52
adamc@325	53 end

Mercurial > urweb

annotate tests/crud.ur @ 332:02d15d81ae9b