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Track uniqueness sets in table types
author Adam Chlipala <adamc@hcoop.net>
date Tue, 07 Apr 2009 14:11:32 -0400
parents 70cbdcf5989b
children d8217b4cb617
rev   line source
adamc@56 1 type int
adamc@56 2 type float
adamc@56 3 type string
adamc@436 4 type time
adamc@91 5
adamc@119 6 type unit = {}
adamc@119 7
adamc@186 8 datatype bool = False | True
adamc@186 9
adamc@288 10 datatype option t = None | Some of t
adamc@284 11
adamc@91 12
adamc@256 13 (** Basic type classes *)
adamc@256 14
adamc@256 15 class eq
adamc@256 16 val eq : t ::: Type -> eq t -> t -> t -> bool
adamc@257 17 val ne : t ::: Type -> eq t -> t -> t -> bool
adamc@256 18 val eq_int : eq int
adamc@394 19 val eq_float : eq float
adamc@256 20 val eq_string : eq string
adamc@256 21 val eq_bool : eq bool
adamc@437 22 val eq_time : eq time
adamc@422 23 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
adamc@256 24
adamc@389 25 class num
adamc@417 26 val zero : t ::: Type -> num t -> t
adamc@389 27 val neg : t ::: Type -> num t -> t -> t
adamc@389 28 val plus : t ::: Type -> num t -> t -> t -> t
adamc@389 29 val minus : t ::: Type -> num t -> t -> t -> t
adamc@389 30 val times : t ::: Type -> num t -> t -> t -> t
adamc@389 31 val div : t ::: Type -> num t -> t -> t -> t
adamc@389 32 val mod : t ::: Type -> num t -> t -> t -> t
adamc@389 33 val num_int : num int
adamc@390 34 val num_float : num float
adamc@389 35
adamc@391 36 class ord
adamc@391 37 val lt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 38 val le : t ::: Type -> ord t -> t -> t -> bool
adamc@391 39 val gt : t ::: Type -> ord t -> t -> t -> bool
adamc@391 40 val ge : t ::: Type -> ord t -> t -> t -> bool
adamc@391 41 val ord_int : ord int
adamc@394 42 val ord_float : ord float
adamc@394 43 val ord_string : ord string
adamc@394 44 val ord_bool : ord bool
adamc@437 45 val ord_time : ord time
adamc@391 46
adamc@256 47
adamc@283 48 (** String operations *)
adamc@283 49
adamc@283 50 val strcat : string -> string -> string
adamc@283 51
adamc@286 52 class show
adamc@286 53 val show : t ::: Type -> show t -> t -> string
adamc@286 54 val show_int : show int
adamc@286 55 val show_float : show float
adamc@286 56 val show_string : show string
adamc@286 57 val show_bool : show bool
adamc@436 58 val show_time : show time
adamc@452 59 val mkShow : t ::: Type -> (t -> string) -> show t
adamc@286 60
adamc@290 61 class read
adamc@290 62 val read : t ::: Type -> read t -> string -> option t
adamc@292 63 val readError : t ::: Type -> read t -> string -> t
adamc@292 64 (* [readError] calls [error] if the input is malformed. *)
adamc@290 65 val read_int : read int
adamc@290 66 val read_float : read float
adamc@290 67 val read_string : read string
adamc@290 68 val read_bool : read bool
adamc@436 69 val read_time : read time
adamc@288 70
adamc@283 71
adamc@564 72 (** * Monads *)
adamc@564 73
adamc@564 74 class monad :: Type -> Type
adamc@564 75 val return : m ::: (Type -> Type) -> t ::: Type
adamc@564 76 -> monad m
adamc@564 77 -> t -> m t
adamc@564 78 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
adamc@564 79 -> monad m
adamc@564 80 -> m t1 -> (t1 -> m t2)
adamc@564 81 -> m t2
adamc@564 82
adamc@456 83 con transaction :: Type -> Type
adamc@564 84 val transaction_monad : monad transaction
adamc@456 85
adamc@565 86 con source :: Type -> Type
adamc@565 87 val source : t ::: Type -> t -> transaction (source t)
adamc@575 88 val set : t ::: Type -> source t -> t -> transaction unit
adamc@601 89 val get : t ::: Type -> source t -> transaction t
adamc@565 90
adamc@565 91 con signal :: Type -> Type
adamc@565 92 val signal_monad : monad signal
adamc@565 93 val signal : t ::: Type -> source t -> signal t
adamc@456 94
adamc@456 95
adamc@456 96 (** HTTP operations *)
adamc@456 97
adamc@456 98 val requestHeader : string -> transaction (option string)
adamc@456 99
adamc@459 100 con http_cookie :: Type -> Type
adamc@459 101 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
adamc@459 102 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
adamc@459 103
adamc@456 104
adamc@566 105 (** JavaScript-y gadgets *)
adamc@566 106
adamc@566 107 val alert : string -> transaction unit
adamc@694 108 val spawn : transaction unit -> transaction unit
adamc@695 109 val sleep : int -> transaction unit
adamc@566 110
adamc@566 111
adamc@678 112 (** Channels *)
adamc@678 113
adamc@678 114 con channel :: Type -> Type
adamc@678 115 val channel : t ::: Type -> transaction (channel t)
adamc@678 116 val send : t ::: Type -> channel t -> t -> transaction unit
adamc@678 117 val recv : t ::: Type -> channel t -> transaction t
adamc@678 118
adamc@682 119 type client
adamc@682 120 val self : transaction client
adamc@682 121
adamc@678 122
adamc@203 123 (** SQL *)
adamc@203 124
adamc@705 125 con sql_table :: {Type} -> {{Unit}} -> Type
adamc@203 126
adamc@704 127 (*** Constraints *)
adamc@704 128
adamc@705 129 con sql_constraints :: {Type} -> {{Unit}} -> Type
adamc@705 130 (* Arguments: column types, uniqueness implications of constraints *)
adamc@704 131
adamc@705 132 con sql_constraint :: {Type} -> {Unit} -> Type
adamc@704 133
adamc@705 134 val no_constraint : fs ::: {Type} -> sql_constraints fs []
adamc@705 135 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
adamc@705 136 -> sql_constraint fs unique
adamc@705 137 -> sql_constraints fs [name = unique]
adamc@705 138 val join_constraints : fs ::: {Type}
adamc@705 139 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
adamc@705 140 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
adamc@705 141 -> sql_constraints fs (uniques1 ++ uniques2)
adamc@705 142
adamc@705 143 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
adamc@705 144 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
adamc@705 145 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
adamc@704 146
adamc@704 147
adamc@204 148 (*** Queries *)
adamc@204 149
adamc@233 150 con sql_query :: {{Type}} -> {Type} -> Type
adamc@233 151 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
adamc@234 152 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
adamc@204 153
adamc@223 154 con sql_subset :: {{Type}} -> {{Type}} -> Type
adamc@223 155 val sql_subset : keep_drop :: {({Type} * {Type})}
adamc@354 156 -> sql_subset
adamc@621 157 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
adamc@621 158 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
adamc@354 159 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
adamc@223 160
adamc@705 161 val sql_query1 : tables ::: {({Type} * {{Unit}})}
adamc@354 162 -> grouped ::: {{Type}}
adamc@354 163 -> selectedFields ::: {{Type}}
adamc@354 164 -> selectedExps ::: {Type}
adamc@705 165 -> {From : $(map (fn p :: ({Type} * {{Unit}}) => sql_table p.1 p.2) tables),
adamc@705 166 Where : sql_exp (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [] [] bool,
adamc@705 167 GroupBy : sql_subset (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) grouped,
adamc@705 168 Having : sql_exp grouped (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [] bool,
adamc@354 169 SelectFields : sql_subset grouped selectedFields,
adamc@705 170 SelectExps : $(map (sql_exp grouped (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) [])
adamc@705 171 selectedExps) }
adamc@705 172 -> sql_query1 (map (fn p :: ({Type} * {{Unit}}) => p.1) tables) selectedFields selectedExps
adamc@229 173
adamc@229 174 type sql_relop
adamc@229 175 val sql_union : sql_relop
adamc@229 176 val sql_intersect : sql_relop
adamc@229 177 val sql_except : sql_relop
adamc@260 178 val sql_relop : tables1 ::: {{Type}}
adamc@354 179 -> tables2 ::: {{Type}}
adamc@354 180 -> selectedFields ::: {{Type}}
adamc@354 181 -> selectedExps ::: {Type}
adamc@354 182 -> sql_relop
adamc@354 183 -> sql_query1 tables1 selectedFields selectedExps
adamc@354 184 -> sql_query1 tables2 selectedFields selectedExps
adamc@354 185 -> sql_query1 selectedFields selectedFields selectedExps
adamc@229 186
adamc@230 187 type sql_direction
adamc@230 188 val sql_asc : sql_direction
adamc@230 189 val sql_desc : sql_direction
adamc@230 190
adamc@234 191 con sql_order_by :: {{Type}} -> {Type} -> Type
adamc@234 192 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
adamc@234 193 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
adamc@354 194 -> sql_exp tables [] exps t -> sql_direction
adamc@354 195 -> sql_order_by tables exps
adamc@354 196 -> sql_order_by tables exps
adamc@230 197
adamc@231 198 type sql_limit
adamc@231 199 val sql_no_limit : sql_limit
adamc@231 200 val sql_limit : int -> sql_limit
adamc@354 201
adamc@232 202 type sql_offset
adamc@232 203 val sql_no_offset : sql_offset
adamc@232 204 val sql_offset : int -> sql_offset
adamc@232 205
adamc@229 206 val sql_query : tables ::: {{Type}}
adamc@354 207 -> selectedFields ::: {{Type}}
adamc@354 208 -> selectedExps ::: {Type}
adamc@354 209 -> {Rows : sql_query1 tables selectedFields selectedExps,
adamc@354 210 OrderBy : sql_order_by tables selectedExps,
adamc@354 211 Limit : sql_limit,
adamc@354 212 Offset : sql_offset}
adamc@354 213 -> sql_query selectedFields selectedExps
adamc@204 214
adamc@354 215 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
adamc@354 216 -> fieldType ::: Type -> agg ::: {{Type}}
adamc@354 217 -> exps ::: {Type}
adamc@354 218 -> tab :: Name -> field :: Name
adamc@354 219 -> sql_exp
adamc@354 220 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
adamc@354 221 agg exps fieldType
adamc@234 222
adamc@354 223 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
adamc@354 224 -> nm :: Name
adamc@354 225 -> sql_exp tabs agg ([nm = t] ++ rest) t
adamc@209 226
adamc@676 227 class sql_injectable_prim
adamc@676 228 val sql_bool : sql_injectable_prim bool
adamc@676 229 val sql_int : sql_injectable_prim int
adamc@676 230 val sql_float : sql_injectable_prim float
adamc@676 231 val sql_string : sql_injectable_prim string
adamc@676 232 val sql_time : sql_injectable_prim time
adamc@683 233 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
adamc@683 234 val sql_client : sql_injectable_prim client
adamc@678 235
adamc@221 236 class sql_injectable
adamc@676 237 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
adamc@676 238 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
adamc@676 239
adamc@354 240 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 241 -> t ::: Type
adamc@354 242 -> sql_injectable t -> t -> sql_exp tables agg exps t
adamc@209 243
adamc@470 244 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@470 245 -> t ::: Type
adamc@470 246 -> sql_exp tables agg exps (option t)
adamc@470 247 -> sql_exp tables agg exps bool
adamc@470 248
adamc@559 249 class sql_arith
adamc@559 250 val sql_int_arith : sql_arith int
adamc@559 251 val sql_float_arith : sql_arith float
adamc@559 252
adamc@220 253 con sql_unary :: Type -> Type -> Type
adamc@220 254 val sql_not : sql_unary bool bool
adamc@354 255 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 256 -> arg ::: Type -> res ::: Type
adamc@354 257 -> sql_unary arg res -> sql_exp tables agg exps arg
adamc@354 258 -> sql_exp tables agg exps res
adamc@220 259
adamc@559 260 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
adamc@559 261
adamc@220 262 con sql_binary :: Type -> Type -> Type -> Type
adamc@220 263 val sql_and : sql_binary bool bool bool
adamc@220 264 val sql_or : sql_binary bool bool bool
adamc@234 265 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 266 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
adamc@354 267 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
adamc@354 268 -> sql_exp tables agg exps arg2
adamc@354 269 -> sql_exp tables agg exps res
adamc@220 270
adamc@559 271 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 272 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 273 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 274 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
adamc@559 275 val sql_mod : sql_binary int int int
adamc@559 276
adamc@559 277 val sql_eq : t ::: Type -> sql_binary t t bool
adamc@559 278 val sql_ne : t ::: Type -> sql_binary t t bool
adamc@559 279 val sql_lt : t ::: Type -> sql_binary t t bool
adamc@559 280 val sql_le : t ::: Type -> sql_binary t t bool
adamc@559 281 val sql_gt : t ::: Type -> sql_binary t t bool
adamc@559 282 val sql_ge : t ::: Type -> sql_binary t t bool
adamc@203 283
adamc@235 284 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@544 285 -> sql_exp tables agg exps int
adamc@235 286
adamc@236 287 con sql_aggregate :: Type -> Type
adamc@354 288 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@354 289 -> t ::: Type
adamc@354 290 -> sql_aggregate t -> sql_exp agg agg exps t
adamc@354 291 -> sql_exp tables agg exps t
adamc@236 292
adamc@236 293 class sql_summable
adamc@236 294 val sql_summable_int : sql_summable int
adamc@236 295 val sql_summable_float : sql_summable float
adamc@236 296 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 297 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
adamc@236 298
adamc@236 299 class sql_maxable
adamc@236 300 val sql_maxable_int : sql_maxable int
adamc@236 301 val sql_maxable_float : sql_maxable float
adamc@236 302 val sql_maxable_string : sql_maxable string
adamc@437 303 val sql_maxable_time : sql_maxable time
adamc@236 304 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 305 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
adamc@236 306
adamc@441 307 con sql_nfunc :: Type -> Type
adamc@441 308 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
adamc@441 309 -> t ::: Type
adamc@441 310 -> sql_nfunc t -> sql_exp tables agg exps t
adamc@441 311 val sql_current_timestamp : sql_nfunc time
adamc@441 312
adamc@235 313
adamc@243 314 (*** Executing queries *)
adamc@243 315
adamc@354 316 val query : tables ::: {{Type}} -> exps ::: {Type}
adamc@629 317 -> [tables ~ exps] =>
adamc@354 318 state ::: Type
adamc@354 319 -> sql_query tables exps
adamc@621 320 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
adamc@354 321 -> state
adamc@354 322 -> transaction state)
adamc@354 323 -> state
adamc@354 324 -> transaction state
adamc@243 325
adamc@243 326
adamc@299 327 (*** Database mutators *)
adamc@299 328
adamc@299 329 type dml
adamc@299 330 val dml : dml -> transaction unit
adamc@299 331
adamc@705 332 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 333 -> sql_table fields uniques
adamc@621 334 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
adamc@354 335 -> dml
adamc@299 336
adamc@705 337 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
adamc@629 338 [changed ~ unchanged] =>
adamc@621 339 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
adamc@705 340 -> sql_table (changed ++ unchanged) uniques
adamc@354 341 -> sql_exp [T = changed ++ unchanged] [] [] bool
adamc@354 342 -> dml
adamc@299 343
adamc@705 344 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
adamc@705 345 -> sql_table fields uniques
adamc@354 346 -> sql_exp [T = fields] [] [] bool
adamc@354 347 -> dml
adamc@299 348
adamc@338 349 (*** Sequences *)
adamc@338 350
adamc@338 351 type sql_sequence
adamc@338 352 val nextval : sql_sequence -> transaction int
adamc@338 353
adamc@299 354
adamc@203 355 (** XML *)
adamc@203 356
adamc@139 357 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
adamc@91 358
adamc@91 359
adamc@139 360 con xml :: {Unit} -> {Type} -> {Type} -> Type
adamc@141 361 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
adamc@354 362 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
adamc@354 363 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
adamc@354 364 -> useOuter ::: {Type} -> useInner ::: {Type}
adamc@354 365 -> bindOuter ::: {Type} -> bindInner ::: {Type}
adamc@629 366 -> [attrsGiven ~ attrsAbsent] =>
adamc@629 367 [useOuter ~ useInner] =>
adamc@629 368 [bindOuter ~ bindInner] =>
adamc@629 369 $attrsGiven
adamc@629 370 -> tag (attrsGiven ++ attrsAbsent)
adamc@629 371 ctxOuter ctxInner useOuter bindOuter
adamc@629 372 -> xml ctxInner useInner bindInner
adamc@629 373 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
adamc@140 374 val join : ctx ::: {Unit}
adamc@139 375 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
adamc@629 376 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
adamc@354 377 xml ctx use1 bind1
adamc@354 378 -> xml ctx (use1 ++ bind1) bind2
adamc@354 379 -> xml ctx use1 (bind1 ++ bind2)
adamc@354 380 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
adamc@354 381 -> bind ::: {Type}
adamc@629 382 -> [use1 ~ use2] =>
adamc@354 383 xml ctx use1 bind
adamc@354 384 -> xml ctx (use1 ++ use2) bind
adamc@91 385
adamc@110 386 con xhtml = xml [Html]
adamc@139 387 con page = xhtml [] []
adamc@325 388 con xbody = xml [Body] [] []
adamc@326 389 con xtr = xml [Body, Tr] [] []
adamc@361 390 con xform = xml [Body, Form] [] []
adamc@110 391
adamc@204 392 (*** HTML details *)
adamc@204 393
adamc@140 394 con html = [Html]
adamc@140 395 con head = [Head]
adamc@140 396 con body = [Body]
adamc@361 397 con form = [Body, Form]
adamc@332 398 con tabl = [Body, Table]
adamc@332 399 con tr = [Body, Tr]
adamc@93 400
adamc@691 401 val dyn : use ::: {Type} -> bind ::: {Type} -> unit
adamc@691 402 -> tag [Signal = signal (xml body use bind)] body [] use bind
adamc@568 403
adamc@140 404 val head : unit -> tag [] html head [] []
adamc@140 405 val title : unit -> tag [] head [] [] []
adamc@110 406
adamc@668 407 val body : unit -> tag [Onload = transaction unit] html body [] []
adamc@354 408 con bodyTag = fn (attrs :: {Type}) =>
adamc@354 409 ctx ::: {Unit} ->
adamc@629 410 [[Body] ~ ctx] =>
adamc@354 411 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
adamc@354 412 con bodyTagStandalone = fn (attrs :: {Type}) =>
adamc@354 413 ctx ::: {Unit}
adamc@629 414 -> [[Body] ~ ctx] =>
adamc@354 415 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@141 416
adamc@141 417 val br : bodyTagStandalone []
adamc@119 418
adamc@691 419 val span : bodyTag []
adamc@691 420
adamc@140 421 val p : bodyTag []
adamc@140 422 val b : bodyTag []
adamc@140 423 val i : bodyTag []
adamc@407 424 val tt : bodyTag []
adamc@140 425 val font : bodyTag [Size = int, Face = string]
adamc@140 426
adamc@140 427 val h1 : bodyTag []
adamc@443 428 val h2 : bodyTag []
adamc@443 429 val h3 : bodyTag []
adamc@443 430 val h4 : bodyTag []
adamc@469 431
adamc@140 432 val li : bodyTag []
adamc@469 433 val ol : bodyTag []
adamc@469 434 val ul : bodyTag []
adamc@140 435
adamc@410 436 val hr : bodyTag []
adamc@410 437
adamc@566 438 val a : bodyTag [Link = transaction page, Onclick = transaction unit]
adamc@140 439
adamc@361 440 val form : ctx ::: {Unit} -> bind ::: {Type}
adamc@629 441 -> [[Body] ~ ctx] =>
adamc@354 442 xml form [] bind
adamc@354 443 -> xml ([Body] ++ ctx) [] []
adamc@361 444 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
adamc@354 445 ctx ::: {Unit}
adamc@629 446 -> [[Form] ~ ctx] =>
adamc@354 447 nm :: Name -> unit
adamc@361 448 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
adamc@598 449 val textbox : formTag string [] [Value = string, Size = int, Source = source string]
adamc@444 450 val password : formTag string [] [Value = string, Size = int]
adamc@444 451 val textarea : formTag string [] [Rows = int, Cols = int]
adamc@153 452
adamc@361 453 val checkbox : formTag bool [] [Checked = bool]
adamc@190 454
adamc@153 455 con radio = [Body, Radio]
adamc@361 456 val radio : formTag string radio []
adamc@153 457 val radioOption : unit -> tag [Value = string] radio [] [] []
adamc@142 458
adamc@154 459 con select = [Select]
adamc@361 460 val select : formTag string select []
adamc@422 461 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
adamc@154 462
adamc@568 463 val submit : ctx ::: {Unit} -> use ::: {Type}
adamc@629 464 -> [[Form] ~ ctx] =>
adamc@354 465 unit
adamc@406 466 -> tag [Value = string, Action = $use -> transaction page]
adamc@361 467 ([Form] ++ ctx) ([Form] ++ ctx) use []
adamc@283 468
adamc@601 469 (*** AJAX-oriented widgets *)
adamc@601 470
adamc@601 471 con cformTag = fn (attrs :: {Type}) =>
adamc@601 472 ctx ::: {Unit}
adamc@629 473 -> [[Body] ~ ctx] =>
adamc@601 474 unit -> tag attrs ([Body] ++ ctx) [] [] []
adamc@601 475
adamc@601 476 val ctextbox : cformTag [Value = string, Size = int, Source = source string]
adamc@601 477 val button : cformTag [Value = string, Onclick = transaction unit]
adamc@601 478
adamc@325 479 (*** Tables *)
adamc@325 480
adamc@629 481 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] =>
adamc@406 482 unit -> tag [Border = int] ([Body] ++ other) ([Body, Table] ++ other) [] []
adamc@629 483 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] =>
adamc@406 484 unit -> tag [] ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
adamc@629 485 val th : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 486 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@629 487 val td : other ::: {Unit} -> [other ~ [Body, Tr]] =>
adamc@406 488 unit -> tag [] ([Body, Tr] ++ other) ([Body] ++ other) [] []
adamc@325 489
adamc@283 490
adamc@283 491 (** Aborting *)
adamc@283 492
adamc@283 493 val error : t ::: Type -> xml [Body] [] [] -> t
adamc@668 494
adamc@668 495