Ur/Web: tests/crud.ur annotate

annotate tests/crud.ur @ 328:58f1260f293f

Fixed a mind-numbing De Bruijn bug

author	Adam Chlipala <adamc@hcoop.net>
date	Thu, 11 Sep 2008 19:59:31 -0400
parents	3a57f3b3a3f8
children	eec65c11d3e2

rev	line source
adamc@326	1 con colMeta = fn cols :: {Type} => $(Top.mapTT (fn t => {Show : t -> xbody}) cols)
adamc@326	2
adamc@325	3 functor Make(M : sig
adamc@325	4 con cols :: {Type}
adamc@325	5 constraint [Id] ~ cols
adamc@325	6 val tab : sql_table ([Id = int] ++ cols)
adamc@325	7
adamc@325	8 val title : string
adamc@325	9
adamc@327	10 val cols : colMeta cols
adamc@325	11 end) = struct
adamc@325	12
adamc@325	13 open constraints M
adamc@325	14 val tab = M.tab
adamc@325	15
adamc@325	16 fun list () =
adamc@325	17 rows <- query (SELECT * FROM tab AS T)
adamc@325	18 (fn fs acc => return <body>
adamc@326	19 {acc}
adamc@326	20 <tr>
adamc@326	21 <td>{txt _ fs.T.Id}</td>
adamc@326	22 {fold [fn cols :: {Type} => $cols -> colMeta cols -> xtr]
adamc@326	23 (fn (nm :: Name) (t :: Type) (rest :: {Type}) acc =>
adamc@326	24 [[nm] ~ rest] =>
adamc@327	25 fn r cols =>
adamc@326	26 <tr>
adamc@326	27 <td>{cols.nm.Show r.nm}</td>
adamc@326	28 {acc (r -- nm) (cols -- nm)}
adamc@326	29 </tr>)
adamc@326	30 (fn _ _ => <tr></tr>)
adamc@326	31 [M.cols] (fs.T -- #Id) M.cols}
adamc@326	32 </tr>
adamc@325	33 </body>) <body></body>;
adamc@325	34 return <html><head>
adamc@325	35 <title>List</title>
adamc@325	36
adamc@325	37 </head><body>
adamc@325	38
adamc@325	39 <h1>List</h1>
adamc@325	40
adamc@325	41 <table border={1}>
adamc@325	42 <tr> <th>ID</th> </tr>
adamc@325	43 {rows}
adamc@325	44 </table>
adamc@325	45 </body></html>
adamc@325	46
adamc@325	47 fun main () : transaction page = return <html><head>
adamc@325	48 <title>{cdata M.title}</title>
adamc@325	49 </head><body>
adamc@325	50 <h1>{cdata M.title}</h1>
adamc@325	51
adamc@325	52 <li> <a link={list ()}>List all rows</a></li>
adamc@325	53 </body></html>
adamc@325	54
adamc@325	55 end

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annotate tests/crud.ur @ 328:58f1260f293f