diff options
-rw-r--r-- | lib/top.ur | 16 | ||||
-rw-r--r-- | src/elisp/urweb-mode.el | 21 | ||||
-rw-r--r-- | tests/crud.ur | 192 |
3 files changed, 125 insertions, 104 deletions
@@ -34,10 +34,10 @@ fun foldTR (tf :: Type -> Type) (tr :: {Type} -> Type) (fn _ => i) fun foldT2R (tf :: (Type * Type) -> Type) (tr :: {(Type * Type)} -> Type) - (f : nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)} - -> fn [[nm] ~ rest] => - tf t -> tr rest -> tr ([nm = t] ++ rest)) - (i : tr []) = + (f : nm :: Name -> t :: (Type * Type) -> rest :: {(Type * Type)} + -> fn [[nm] ~ rest] => + tf t -> tr rest -> tr ([nm = t] ++ rest)) + (i : tr []) = fold [fn r :: {(Type * Type)} => $(mapT2T tf r) -> tr r] (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) (acc : _ -> tr rest) [[nm] ~ rest] r => @@ -45,10 +45,10 @@ fun foldT2R (tf :: (Type * Type) -> Type) (tr :: {(Type * Type)} -> Type) (fn _ => i) fun foldTR2 (tf1 :: Type -> Type) (tf2 :: Type -> Type) (tr :: {Type} -> Type) - (f : nm :: Name -> t :: Type -> rest :: {Type} - -> fn [[nm] ~ rest] => - tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) - (i : tr []) = + (f : nm :: Name -> t :: Type -> rest :: {Type} + -> fn [[nm] ~ rest] => + tf1 t -> tf2 t -> tr rest -> tr ([nm = t] ++ rest)) + (i : tr []) = fold [fn r :: {Type} => $(mapTT tf1 r) -> $(mapTT tf2 r) -> tr r] (fn (nm :: Name) (t :: Type) (rest :: {Type}) (acc : _ -> _ -> tr rest) [[nm] ~ rest] r1 r2 => diff --git a/src/elisp/urweb-mode.el b/src/elisp/urweb-mode.el index c8186182..308bd1af 100644 --- a/src/elisp/urweb-mode.el +++ b/src/elisp/urweb-mode.el @@ -478,6 +478,25 @@ If anyone has a good algorithm for this..." (setq done t)))) (and (not done) (> depth 0))))) +(defun skip-matching-braces () + "Skip backwards past matching brace pairs, to calculate XML indentation after quoted Ur code" + (beginning-of-line) + (let ((start-pos (point)) + (depth 0)) + (end-of-line) + (while (re-search-backward "[{}]" start-pos t) + (cond + ((looking-at "}") + (incf depth)) + ((looking-at "{") + (decf depth)))) + (while (and (> depth 0) (re-search-backward "[{}]" nil t) + (cond + ((looking-at "}") + (incf depth)) + ((looking-at "{") + (decf depth))))))) + (defun urweb-tag-matching-indent () "Seek back to a matching opener tag and get its line's indent" (save-excursion @@ -520,7 +539,7 @@ If anyone has a good algorithm for this..." (and (urweb-in-xml) (let ((prev-indent (save-excursion (previous-line 1) - (end-of-line 1) + (skip-matching-braces) (re-search-backward "^[^\n]" nil t) (current-indentation)))) (cond diff --git a/tests/crud.ur b/tests/crud.ur index 02405f78..64a7b2c5 100644 --- a/tests/crud.ur +++ b/tests/crud.ur @@ -46,111 +46,113 @@ val tab = M.tab sequence seq fun create (inputs : $(mapT2T sndTT M.cols)) = - id <- nextval seq; - () <- dml (insert tab (foldT2R2 [sndTT] [colMeta] - [fn cols => $(mapT2T (fn t :: (Type * Type) => - sql_exp [] [] [] t.1) cols)] - (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) - [[nm] ~ rest] => - fn input col acc => acc with nm = sql_inject col.Inject (col.Parse input)) - {} [M.cols] inputs M.cols - with #Id = (SQL {id}))); - return <xml><body> - Inserted with ID {txt _ id}. - </body></xml> + id <- nextval seq; + () <- dml (insert tab + (foldT2R2 [sndTT] [colMeta] + [fn cols => $(mapT2T (fn t :: (Type * Type) => + sql_exp [] [] [] t.1) cols)] + (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) + [[nm] ~ rest] => + fn input col acc => acc with nm = sql_inject col.Inject (col.Parse input)) + {} [M.cols] inputs M.cols + with #Id = (SQL {id}))); + return <xml><body> + Inserted with ID {txt _ id}. + </body></xml> fun save (id : int) (inputs : $(mapT2T sndTT M.cols)) = - () <- dml (update [mapT2T fstTT M.cols] (foldT2R2 [sndTT] [colMeta] - [fn cols => $(mapT2T (fn t :: (Type * Type) => - sql_exp [T = [Id = int] ++ mapT2T fstTT M.cols] [] [] t.1) cols)] - (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) - [[nm] ~ rest] => - fn input col acc => acc with nm = sql_inject col.Inject (col.Parse input)) - {} [M.cols] inputs M.cols) - tab (WHERE T.Id = {id})); - return <xml><body> - Saved! - </body></xml> + () <- dml (update [mapT2T fstTT M.cols] + (foldT2R2 [sndTT] [colMeta] + [fn cols => $(mapT2T (fn t :: (Type * Type) => + sql_exp [T = [Id = int] ++ mapT2T fstTT M.cols] [] [] t.1) cols)] + (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) + [[nm] ~ rest] => + fn input col acc => acc with nm = sql_inject col.Inject (col.Parse input)) + {} [M.cols] inputs M.cols) + tab (WHERE T.Id = {id})); + return <xml><body> + Saved! + </body></xml> fun update (id : int) = - fso <- oneOrNoRows (SELECT tab.{{mapT2T fstTT M.cols}} FROM tab WHERE tab.Id = {id}); - case fso : (Basis.option {Tab : $(mapT2T fstTT M.cols)}) of - None => return <xml><body>Not found!</body></xml> - | Some fs => return <xml><body><form> - {foldT2R2 [fstTT] [colMeta] [fn cols :: {(Type * Type)} => xml form [] (mapT2T sndTT cols)] - (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) - [[nm] ~ rest] (v : t.1) (col : colMeta t) - (acc : xml form [] (mapT2T sndTT rest)) => - <xml> - <li> {cdata col.Nam}: {col.WidgetPopulated [nm] v}</li> - {useMore acc} - </xml>) - <xml/> - [M.cols] fs.Tab M.cols} - - <submit action={save id}/> - </form></body></xml> + fso <- oneOrNoRows (SELECT tab.{{mapT2T fstTT M.cols}} FROM tab WHERE tab.Id = {id}); + case fso : (Basis.option {Tab : $(mapT2T fstTT M.cols)}) of + None => return <xml><body>Not found!</body></xml> + | Some fs => return <xml><body><form> + {foldT2R2 [fstTT] [colMeta] [fn cols :: {(Type * Type)} => xml form [] (mapT2T sndTT cols)] + (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) + [[nm] ~ rest] (v : t.1) (col : colMeta t) + (acc : xml form [] (mapT2T sndTT rest)) => + <xml> + <li> {cdata col.Nam}: {col.WidgetPopulated [nm] v}</li> + {useMore acc} + </xml>) + <xml/> + [M.cols] fs.Tab M.cols} + + <submit action={save id}/> + </form></body></xml> fun delete (id : int) = - () <- dml (DELETE FROM tab WHERE Id = {id}); - return <xml><body> - The deed is done. - </body></xml> + () <- dml (DELETE FROM tab WHERE Id = {id}); + return <xml><body> + The deed is done. + </body></xml> fun confirm (id : int) = return <xml><body> - <p>Are you sure you want to delete ID #{txt _ id}?</p> - - <p><a link={delete id}>I was born sure!</a></p> + <p>Are you sure you want to delete ID #{txt _ id}?</p> + + <p><a link={delete id}>I was born sure!</a></p> </body></xml> fun main () = - rows <- queryX (SELECT * FROM tab AS T) - (fn (fs : {T : $([Id = int] ++ mapT2T fstTT M.cols)}) => <xml> - <tr> - <td>{txt _ fs.T.Id}</td> - {foldT2RX2 [fstTT] [colMeta] [tr] - (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) - [[nm] ~ rest] v col => <xml> - <td>{col.Show v}</td> - </xml>) - [M.cols] (fs.T -- #Id) M.cols} - <td><a link={update fs.T.Id}>[Update]</a> <a link={confirm fs.T.Id}>[Delete]</a></td> - </tr> - </xml>); - return <xml><head> - <title>{cdata M.title}</title> - - </head><body> - - <h1>{cdata M.title}</h1> - - <table border={1}> - <tr> - <th>ID</th> - {foldT2RX [colMeta] [tr] - (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) - [[nm] ~ rest] col => <xml> - <th>{cdata col.Nam}</th> - </xml>) - [M.cols] M.cols} - </tr> - {rows} - </table> - - <br/> - - <form> - {foldT2R [colMeta] [fn cols :: {(Type * Type)} => xml form [] (mapT2T sndTT cols)] - (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) - [[nm] ~ rest] (col : colMeta t) (acc : xml form [] (mapT2T sndTT rest)) => <xml> - <li> {cdata col.Nam}: {col.Widget [nm]}</li> - {useMore acc} - </xml>) - <xml/> - [M.cols] M.cols} - - <submit action={create}/> - </form> - </body></xml> + rows <- queryX (SELECT * FROM tab AS T) + (fn (fs : {T : $([Id = int] ++ mapT2T fstTT M.cols)}) => <xml> + <tr> + <td>{txt _ fs.T.Id}</td> + {foldT2RX2 [fstTT] [colMeta] [tr] + (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) + [[nm] ~ rest] v col => <xml> + <td>{col.Show v}</td> + </xml>) + [M.cols] (fs.T -- #Id) M.cols} + <td><a link={update fs.T.Id}>[Update]</a> <a link={confirm fs.T.Id}>[Delete]</a></td> + </tr> + </xml>); + return <xml><head> + <title>{cdata M.title}</title> + + </head><body> + + <h1>{cdata M.title}</h1> + + <table border={1}> + <tr> + <th>ID</th> + {foldT2RX [colMeta] [tr] + (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) + [[nm] ~ rest] col => <xml> + <th>{cdata col.Nam}</th> + </xml>) + [M.cols] M.cols} + </tr> + {rows} + </table> + + <br/> + + <form> + {foldT2R [colMeta] [fn cols :: {(Type * Type)} => xml form [] (mapT2T sndTT cols)] + (fn (nm :: Name) (t :: (Type * Type)) (rest :: {(Type * Type)}) + [[nm] ~ rest] (col : colMeta t) (acc : xml form [] (mapT2T sndTT rest)) => <xml> + <li> {cdata col.Nam}: {col.Widget [nm]}</li> + {useMore acc} + </xml>) + <xml/> + [M.cols] M.cols} + + <submit action={create}/> + </form> + </body></xml> end |