adamc@56
|
1 type int
|
adamc@56
|
2 type float
|
adamc@56
|
3 type string
|
adamc@821
|
4 type char
|
adamc@436
|
5 type time
|
adamc@737
|
6 type blob
|
adamc@91
|
7
|
adamc@119
|
8 type unit = {}
|
adamc@119
|
9
|
adamc@186
|
10 datatype bool = False | True
|
adamc@186
|
11
|
adamc@288
|
12 datatype option t = None | Some of t
|
adamc@284
|
13
|
adamc@757
|
14 datatype list t = Nil | Cons of t * list t
|
adamc@757
|
15
|
adamc@91
|
16
|
adamc@256
|
17 (** Basic type classes *)
|
adamc@256
|
18
|
adamc@256
|
19 class eq
|
adamc@256
|
20 val eq : t ::: Type -> eq t -> t -> t -> bool
|
adamc@257
|
21 val ne : t ::: Type -> eq t -> t -> t -> bool
|
adamc@256
|
22 val eq_int : eq int
|
adamc@394
|
23 val eq_float : eq float
|
adamc@256
|
24 val eq_string : eq string
|
adamc@821
|
25 val eq_char : eq char
|
adamc@256
|
26 val eq_bool : eq bool
|
adamc@437
|
27 val eq_time : eq time
|
adamc@422
|
28 val mkEq : t ::: Type -> (t -> t -> bool) -> eq t
|
adamc@256
|
29
|
adamc@389
|
30 class num
|
adamc@417
|
31 val zero : t ::: Type -> num t -> t
|
adamc@389
|
32 val neg : t ::: Type -> num t -> t -> t
|
adamc@389
|
33 val plus : t ::: Type -> num t -> t -> t -> t
|
adamc@389
|
34 val minus : t ::: Type -> num t -> t -> t -> t
|
adamc@389
|
35 val times : t ::: Type -> num t -> t -> t -> t
|
adamc@775
|
36 val divide : t ::: Type -> num t -> t -> t -> t
|
adamc@389
|
37 val mod : t ::: Type -> num t -> t -> t -> t
|
adamc@389
|
38 val num_int : num int
|
adamc@390
|
39 val num_float : num float
|
adamc@389
|
40
|
adamc@391
|
41 class ord
|
adamc@391
|
42 val lt : t ::: Type -> ord t -> t -> t -> bool
|
adamc@391
|
43 val le : t ::: Type -> ord t -> t -> t -> bool
|
adamc@391
|
44 val gt : t ::: Type -> ord t -> t -> t -> bool
|
adamc@391
|
45 val ge : t ::: Type -> ord t -> t -> t -> bool
|
adamc@391
|
46 val ord_int : ord int
|
adamc@394
|
47 val ord_float : ord float
|
adamc@394
|
48 val ord_string : ord string
|
adamc@821
|
49 val ord_char : ord char
|
adamc@394
|
50 val ord_bool : ord bool
|
adamc@437
|
51 val ord_time : ord time
|
adamc@961
|
52 val mkOrd : t ::: Type -> {Lt : t -> t -> bool, Le : t -> t -> bool} -> ord t
|
adamc@391
|
53
|
adamc@256
|
54
|
adamc@283
|
55 (** String operations *)
|
adamc@283
|
56
|
adamc@828
|
57 val strlen : string -> int
|
adamc@283
|
58 val strcat : string -> string -> string
|
adamc@821
|
59 val strsub : string -> int -> char
|
adamc@821
|
60 val strsuffix : string -> int -> string
|
adamc@829
|
61 val strchr : string -> char -> option string
|
adamc@829
|
62 val strindex : string -> char -> option int
|
adamc@831
|
63 val strcspn : string -> string -> option int
|
adamc@829
|
64 val substring : string -> int -> int -> string
|
adamc@1023
|
65 val str1 : char -> string
|
adamc@283
|
66
|
adamc@286
|
67 class show
|
adamc@286
|
68 val show : t ::: Type -> show t -> t -> string
|
adamc@286
|
69 val show_int : show int
|
adamc@286
|
70 val show_float : show float
|
adamc@286
|
71 val show_string : show string
|
adamc@821
|
72 val show_char : show char
|
adamc@286
|
73 val show_bool : show bool
|
adamc@436
|
74 val show_time : show time
|
adamc@452
|
75 val mkShow : t ::: Type -> (t -> string) -> show t
|
adamc@286
|
76
|
adamc@290
|
77 class read
|
adamc@290
|
78 val read : t ::: Type -> read t -> string -> option t
|
adamc@292
|
79 val readError : t ::: Type -> read t -> string -> t
|
adamc@292
|
80 (* [readError] calls [error] if the input is malformed. *)
|
adamc@290
|
81 val read_int : read int
|
adamc@290
|
82 val read_float : read float
|
adamc@290
|
83 val read_string : read string
|
adamc@821
|
84 val read_char : read char
|
adamc@290
|
85 val read_bool : read bool
|
adamc@436
|
86 val read_time : read time
|
adamc@777
|
87 val mkRead : t ::: Type -> (string -> t) -> (string -> option t) -> read t
|
adamc@288
|
88
|
adamc@283
|
89
|
adamc@564
|
90 (** * Monads *)
|
adamc@564
|
91
|
adamc@711
|
92 class monad :: (Type -> Type) -> Type
|
adamc@564
|
93 val return : m ::: (Type -> Type) -> t ::: Type
|
adamc@564
|
94 -> monad m
|
adamc@564
|
95 -> t -> m t
|
adamc@564
|
96 val bind : m ::: (Type -> Type) -> t1 ::: Type -> t2 ::: Type
|
adamc@564
|
97 -> monad m
|
adamc@564
|
98 -> m t1 -> (t1 -> m t2)
|
adamc@564
|
99 -> m t2
|
adamc@564
|
100
|
adamc@456
|
101 con transaction :: Type -> Type
|
adamc@564
|
102 val transaction_monad : monad transaction
|
adamc@456
|
103
|
adamc@565
|
104 con source :: Type -> Type
|
adamc@565
|
105 val source : t ::: Type -> t -> transaction (source t)
|
adamc@575
|
106 val set : t ::: Type -> source t -> t -> transaction unit
|
adamc@601
|
107 val get : t ::: Type -> source t -> transaction t
|
adamc@565
|
108
|
adamc@565
|
109 con signal :: Type -> Type
|
adamc@565
|
110 val signal_monad : monad signal
|
adamc@565
|
111 val signal : t ::: Type -> source t -> signal t
|
adamc@841
|
112 val current : t ::: Type -> signal t -> transaction t
|
adamc@456
|
113
|
adamc@456
|
114
|
adamc@1006
|
115 (** * Time *)
|
adamc@1006
|
116
|
adamc@1006
|
117 val now : transaction time
|
adamc@1006
|
118
|
adamc@1006
|
119
|
adamc@456
|
120 (** HTTP operations *)
|
adamc@456
|
121
|
adamc@456
|
122 val requestHeader : string -> transaction (option string)
|
adamc@456
|
123
|
adamc@459
|
124 con http_cookie :: Type -> Type
|
adamc@459
|
125 val getCookie : t ::: Type -> http_cookie t -> transaction (option t)
|
adamc@459
|
126 val setCookie : t ::: Type -> http_cookie t -> t -> transaction unit
|
adamc@459
|
127
|
adamc@456
|
128
|
adamc@566
|
129 (** JavaScript-y gadgets *)
|
adamc@566
|
130
|
adamc@566
|
131 val alert : string -> transaction unit
|
adamc@694
|
132 val spawn : transaction unit -> transaction unit
|
adamc@695
|
133 val sleep : int -> transaction unit
|
adamc@566
|
134
|
adamc@908
|
135 val rpc : t ::: Type -> transaction t -> transaction t
|
adamc@908
|
136
|
adamc@566
|
137
|
adamc@678
|
138 (** Channels *)
|
adamc@678
|
139
|
adamc@678
|
140 con channel :: Type -> Type
|
adamc@678
|
141 val channel : t ::: Type -> transaction (channel t)
|
adamc@678
|
142 val send : t ::: Type -> channel t -> t -> transaction unit
|
adamc@678
|
143 val recv : t ::: Type -> channel t -> transaction t
|
adamc@678
|
144
|
adamc@682
|
145 type client
|
adamc@682
|
146 val self : transaction client
|
adamc@682
|
147
|
adamc@678
|
148
|
adamc@203
|
149 (** SQL *)
|
adamc@203
|
150
|
adamc@705
|
151 con sql_table :: {Type} -> {{Unit}} -> Type
|
adamc@753
|
152 con sql_view :: {Type} -> Type
|
adamc@753
|
153
|
adamc@753
|
154 class fieldsOf :: Type -> {Type} -> Type
|
adamc@753
|
155 val fieldsOf_table : fs ::: {Type} -> keys ::: {{Unit}}
|
adamc@753
|
156 -> fieldsOf (sql_table fs keys) fs
|
adamc@753
|
157 val fieldsOf_view : fs ::: {Type}
|
adamc@753
|
158 -> fieldsOf (sql_view fs) fs
|
adamc@203
|
159
|
adamc@704
|
160 (*** Constraints *)
|
adamc@704
|
161
|
adamc@707
|
162 (**** Primary keys *)
|
adamc@707
|
163
|
adamc@707
|
164 class sql_injectable_prim
|
adamc@707
|
165 val sql_bool : sql_injectable_prim bool
|
adamc@707
|
166 val sql_int : sql_injectable_prim int
|
adamc@707
|
167 val sql_float : sql_injectable_prim float
|
adamc@707
|
168 val sql_string : sql_injectable_prim string
|
adamc@1011
|
169 val sql_char : sql_injectable_prim char
|
adamc@707
|
170 val sql_time : sql_injectable_prim time
|
adamc@737
|
171 val sql_blob : sql_injectable_prim blob
|
adamc@707
|
172 val sql_channel : t ::: Type -> sql_injectable_prim (channel t)
|
adamc@707
|
173 val sql_client : sql_injectable_prim client
|
adamc@707
|
174
|
adamc@707
|
175 con primary_key :: {Type} -> {{Unit}} -> Type
|
adamc@707
|
176 val no_primary_key : fs ::: {Type} -> primary_key fs []
|
adamc@707
|
177 val primary_key : rest ::: {Type} -> t ::: Type -> key1 :: Name -> keys :: {Type}
|
adamc@707
|
178 -> [[key1] ~ keys] => [[key1 = t] ++ keys ~ rest]
|
adamc@707
|
179 => $([key1 = sql_injectable_prim t] ++ map sql_injectable_prim keys)
|
adamc@707
|
180 -> primary_key ([key1 = t] ++ keys ++ rest)
|
adamc@707
|
181 [Pkey = [key1] ++ map (fn _ => ()) keys]
|
adamc@707
|
182
|
adamc@707
|
183 (**** Other constraints *)
|
adamc@707
|
184
|
adamc@705
|
185 con sql_constraints :: {Type} -> {{Unit}} -> Type
|
adamc@705
|
186 (* Arguments: column types, uniqueness implications of constraints *)
|
adamc@704
|
187
|
adamc@705
|
188 con sql_constraint :: {Type} -> {Unit} -> Type
|
adamc@704
|
189
|
adamc@705
|
190 val no_constraint : fs ::: {Type} -> sql_constraints fs []
|
adamc@705
|
191 val one_constraint : fs ::: {Type} -> unique ::: {Unit} -> name :: Name
|
adamc@705
|
192 -> sql_constraint fs unique
|
adamc@705
|
193 -> sql_constraints fs [name = unique]
|
adamc@705
|
194 val join_constraints : fs ::: {Type}
|
adamc@705
|
195 -> uniques1 ::: {{Unit}} -> uniques2 ::: {{Unit}} -> [uniques1 ~ uniques2]
|
adamc@705
|
196 => sql_constraints fs uniques1 -> sql_constraints fs uniques2
|
adamc@705
|
197 -> sql_constraints fs (uniques1 ++ uniques2)
|
adamc@705
|
198
|
adamc@709
|
199
|
adamc@705
|
200 val unique : rest ::: {Type} -> t ::: Type -> unique1 :: Name -> unique :: {Type}
|
adamc@705
|
201 -> [[unique1] ~ unique] => [[unique1 = t] ++ unique ~ rest]
|
adamc@705
|
202 => sql_constraint ([unique1 = t] ++ unique ++ rest) ([unique1] ++ map (fn _ => ()) unique)
|
adamc@704
|
203
|
adamc@712
|
204 class linkable :: Type -> Type -> Type
|
adamc@712
|
205 val linkable_same : t ::: Type -> linkable t t
|
adamc@712
|
206 val linkable_from_nullable : t ::: Type -> linkable (option t) t
|
adamc@712
|
207 val linkable_to_nullable : t ::: Type -> linkable t (option t)
|
adamc@712
|
208
|
adamc@709
|
209 con matching :: {Type} -> {Type} -> Type
|
adamc@709
|
210 val mat_nil : matching [] []
|
adamc@712
|
211 val mat_cons : t1 ::: Type -> rest1 ::: {Type} -> t2 ::: Type -> rest2 ::: {Type}
|
adamc@709
|
212 -> nm1 :: Name -> nm2 :: Name
|
adamc@709
|
213 -> [[nm1] ~ rest1] => [[nm2] ~ rest2]
|
adamc@712
|
214 => linkable t1 t2
|
adamc@712
|
215 -> matching rest1 rest2
|
adamc@712
|
216 -> matching ([nm1 = t1] ++ rest1) ([nm2 = t2] ++ rest2)
|
adamc@709
|
217
|
adamc@709
|
218 con propagation_mode :: {Type} -> Type
|
adamc@709
|
219 val restrict : fs ::: {Type} -> propagation_mode fs
|
adamc@709
|
220 val cascade : fs ::: {Type} -> propagation_mode fs
|
adamc@709
|
221 val no_action : fs ::: {Type} -> propagation_mode fs
|
adamc@709
|
222 val set_null : fs ::: {Type} -> propagation_mode (map option fs)
|
adamc@709
|
223
|
adamc@709
|
224
|
adamc@709
|
225 val foreign_key : mine1 ::: Name -> t ::: Type -> mine ::: {Type} -> munused ::: {Type}
|
adamc@709
|
226 -> foreign ::: {Type} -> funused ::: {Type}
|
adamc@709
|
227 -> nm ::: Name -> uniques ::: {{Unit}}
|
adamc@709
|
228 -> [[mine1] ~ mine] => [[mine1 = t] ++ mine ~ munused]
|
adamc@709
|
229 => [foreign ~ funused] => [[nm] ~ uniques]
|
adamc@709
|
230 => matching ([mine1 = t] ++ mine) foreign
|
adamc@709
|
231 -> sql_table (foreign ++ funused) ([nm = map (fn _ => ()) foreign] ++ uniques)
|
adamc@709
|
232 -> {OnDelete : propagation_mode ([mine1 = t] ++ mine),
|
adamc@709
|
233 OnUpdate : propagation_mode ([mine1 = t] ++ mine)}
|
adamc@709
|
234 -> sql_constraint ([mine1 = t] ++ mine ++ munused) []
|
adamc@709
|
235
|
adamc@714
|
236 con sql_exp :: {{Type}} -> {{Type}} -> {Type} -> Type -> Type
|
adamc@714
|
237
|
adamc@714
|
238 val check : fs ::: {Type}
|
adamc@714
|
239 -> sql_exp [] [] fs bool
|
adamc@714
|
240 -> sql_constraint fs []
|
adamc@714
|
241
|
adamc@714
|
242
|
adamc@704
|
243
|
adamc@204
|
244 (*** Queries *)
|
adamc@204
|
245
|
adamc@233
|
246 con sql_query :: {{Type}} -> {Type} -> Type
|
adamc@233
|
247 con sql_query1 :: {{Type}} -> {{Type}} -> {Type} -> Type
|
adamc@204
|
248
|
adamc@223
|
249 con sql_subset :: {{Type}} -> {{Type}} -> Type
|
adamc@223
|
250 val sql_subset : keep_drop :: {({Type} * {Type})}
|
adamc@354
|
251 -> sql_subset
|
adamc@621
|
252 (map (fn fields :: ({Type} * {Type}) => fields.1 ++ fields.2) keep_drop)
|
adamc@621
|
253 (map (fn fields :: ({Type} * {Type}) => fields.1) keep_drop)
|
adamc@354
|
254 val sql_subset_all : tables :: {{Type}} -> sql_subset tables tables
|
adamc@223
|
255
|
adamc@748
|
256 con sql_from_items :: {{Type}} -> Type
|
adamc@748
|
257
|
adamc@753
|
258 val sql_from_table : t ::: Type -> fs ::: {Type}
|
adamc@753
|
259 -> fieldsOf t fs -> name :: Name
|
adamc@753
|
260 -> t -> sql_from_items [name = fs]
|
adamc@748
|
261 val sql_from_comma : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
|
adamc@748
|
262 -> [tabs1 ~ tabs2]
|
adamc@748
|
263 => sql_from_items tabs1 -> sql_from_items tabs2
|
adamc@748
|
264 -> sql_from_items (tabs1 ++ tabs2)
|
adamc@749
|
265 val sql_inner_join : tabs1 ::: {{Type}} -> tabs2 ::: {{Type}}
|
adamc@749
|
266 -> [tabs1 ~ tabs2]
|
adamc@749
|
267 => sql_from_items tabs1 -> sql_from_items tabs2
|
adamc@749
|
268 -> sql_exp (tabs1 ++ tabs2) [] [] bool
|
adamc@749
|
269 -> sql_from_items (tabs1 ++ tabs2)
|
adamc@748
|
270
|
adamc@750
|
271 class nullify :: Type -> Type -> Type
|
adamc@750
|
272 val nullify_option : t ::: Type -> nullify (option t) (option t)
|
adamc@750
|
273 val nullify_prim : t ::: Type -> sql_injectable_prim t -> nullify t (option t)
|
adamc@750
|
274
|
adamc@750
|
275 val sql_left_join : tabs1 ::: {{Type}} -> tabs2 ::: {{(Type * Type)}}
|
adamc@750
|
276 -> [tabs1 ~ tabs2]
|
adamc@750
|
277 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs2)
|
adamc@750
|
278 -> sql_from_items tabs1 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
|
adamc@750
|
279 -> sql_exp (tabs1 ++ map (map (fn p :: (Type * Type) => p.1)) tabs2) [] [] bool
|
adamc@750
|
280 -> sql_from_items (tabs1 ++ map (map (fn p :: (Type * Type) => p.2)) tabs2)
|
adamc@750
|
281
|
adamc@751
|
282 val sql_right_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{Type}}
|
adamc@751
|
283 -> [tabs1 ~ tabs2]
|
adamc@751
|
284 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) tabs1)
|
adamc@751
|
285 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1) -> sql_from_items tabs2
|
adamc@751
|
286 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) tabs1 ++ tabs2) [] [] bool
|
adamc@751
|
287 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) tabs1 ++ tabs2)
|
adamc@751
|
288
|
adamc@751
|
289 val sql_full_join : tabs1 ::: {{(Type * Type)}} -> tabs2 ::: {{(Type * Type)}}
|
adamc@751
|
290 -> [tabs1 ~ tabs2]
|
adamc@751
|
291 => $(map (fn r => $(map (fn p :: (Type * Type) => nullify p.1 p.2) r)) (tabs1 ++ tabs2))
|
adamc@751
|
292 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs1)
|
adamc@751
|
293 -> sql_from_items (map (map (fn p :: (Type * Type) => p.1)) tabs2)
|
adamc@751
|
294 -> sql_exp (map (map (fn p :: (Type * Type) => p.1)) (tabs1 ++ tabs2)) [] [] bool
|
adamc@751
|
295 -> sql_from_items (map (map (fn p :: (Type * Type) => p.2)) (tabs1 ++ tabs2))
|
adamc@751
|
296
|
adamc@748
|
297 val sql_query1 : tables ::: {{Type}}
|
adamc@354
|
298 -> grouped ::: {{Type}}
|
adamc@354
|
299 -> selectedFields ::: {{Type}}
|
adamc@354
|
300 -> selectedExps ::: {Type}
|
adamc@993
|
301 -> {Distinct : bool,
|
adamc@993
|
302 From : sql_from_items tables,
|
adamc@748
|
303 Where : sql_exp tables [] [] bool,
|
adamc@748
|
304 GroupBy : sql_subset tables grouped,
|
adamc@748
|
305 Having : sql_exp grouped tables [] bool,
|
adamc@354
|
306 SelectFields : sql_subset grouped selectedFields,
|
adamc@748
|
307 SelectExps : $(map (sql_exp grouped tables [])
|
adamc@705
|
308 selectedExps) }
|
adamc@748
|
309 -> sql_query1 tables selectedFields selectedExps
|
adamc@229
|
310
|
adamc@229
|
311 type sql_relop
|
adamc@229
|
312 val sql_union : sql_relop
|
adamc@229
|
313 val sql_intersect : sql_relop
|
adamc@229
|
314 val sql_except : sql_relop
|
adamc@260
|
315 val sql_relop : tables1 ::: {{Type}}
|
adamc@354
|
316 -> tables2 ::: {{Type}}
|
adamc@354
|
317 -> selectedFields ::: {{Type}}
|
adamc@354
|
318 -> selectedExps ::: {Type}
|
adamc@354
|
319 -> sql_relop
|
adamc@354
|
320 -> sql_query1 tables1 selectedFields selectedExps
|
adamc@354
|
321 -> sql_query1 tables2 selectedFields selectedExps
|
adamc@354
|
322 -> sql_query1 selectedFields selectedFields selectedExps
|
adamc@229
|
323
|
adamc@230
|
324 type sql_direction
|
adamc@230
|
325 val sql_asc : sql_direction
|
adamc@230
|
326 val sql_desc : sql_direction
|
adamc@230
|
327
|
adamc@234
|
328 con sql_order_by :: {{Type}} -> {Type} -> Type
|
adamc@234
|
329 val sql_order_by_Nil : tables ::: {{Type}} -> exps :: {Type} -> sql_order_by tables exps
|
adamc@234
|
330 val sql_order_by_Cons : tables ::: {{Type}} -> exps ::: {Type} -> t ::: Type
|
adamc@354
|
331 -> sql_exp tables [] exps t -> sql_direction
|
adamc@354
|
332 -> sql_order_by tables exps
|
adamc@354
|
333 -> sql_order_by tables exps
|
adamc@230
|
334
|
adamc@231
|
335 type sql_limit
|
adamc@231
|
336 val sql_no_limit : sql_limit
|
adamc@231
|
337 val sql_limit : int -> sql_limit
|
adamc@354
|
338
|
adamc@232
|
339 type sql_offset
|
adamc@232
|
340 val sql_no_offset : sql_offset
|
adamc@232
|
341 val sql_offset : int -> sql_offset
|
adamc@232
|
342
|
adamc@229
|
343 val sql_query : tables ::: {{Type}}
|
adamc@354
|
344 -> selectedFields ::: {{Type}}
|
adamc@354
|
345 -> selectedExps ::: {Type}
|
adamc@354
|
346 -> {Rows : sql_query1 tables selectedFields selectedExps,
|
adamc@354
|
347 OrderBy : sql_order_by tables selectedExps,
|
adamc@354
|
348 Limit : sql_limit,
|
adamc@354
|
349 Offset : sql_offset}
|
adamc@354
|
350 -> sql_query selectedFields selectedExps
|
adamc@204
|
351
|
adamc@354
|
352 val sql_field : otherTabs ::: {{Type}} -> otherFields ::: {Type}
|
adamc@354
|
353 -> fieldType ::: Type -> agg ::: {{Type}}
|
adamc@354
|
354 -> exps ::: {Type}
|
adamc@354
|
355 -> tab :: Name -> field :: Name
|
adamc@354
|
356 -> sql_exp
|
adamc@354
|
357 ([tab = [field = fieldType] ++ otherFields] ++ otherTabs)
|
adamc@354
|
358 agg exps fieldType
|
adamc@234
|
359
|
adamc@354
|
360 val sql_exp : tabs ::: {{Type}} -> agg ::: {{Type}} -> t ::: Type -> rest ::: {Type}
|
adamc@354
|
361 -> nm :: Name
|
adamc@354
|
362 -> sql_exp tabs agg ([nm = t] ++ rest) t
|
adamc@209
|
363
|
adamc@221
|
364 class sql_injectable
|
adamc@676
|
365 val sql_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable t
|
adamc@676
|
366 val sql_option_prim : t ::: Type -> sql_injectable_prim t -> sql_injectable (option t)
|
adamc@676
|
367
|
adamc@354
|
368 val sql_inject : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@354
|
369 -> t ::: Type
|
adamc@354
|
370 -> sql_injectable t -> t -> sql_exp tables agg exps t
|
adamc@209
|
371
|
adamc@470
|
372 val sql_is_null : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@470
|
373 -> t ::: Type
|
adamc@470
|
374 -> sql_exp tables agg exps (option t)
|
adamc@470
|
375 -> sql_exp tables agg exps bool
|
adamc@470
|
376
|
adamc@559
|
377 class sql_arith
|
adamc@559
|
378 val sql_int_arith : sql_arith int
|
adamc@559
|
379 val sql_float_arith : sql_arith float
|
adamc@559
|
380
|
adamc@220
|
381 con sql_unary :: Type -> Type -> Type
|
adamc@220
|
382 val sql_not : sql_unary bool bool
|
adamc@354
|
383 val sql_unary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@354
|
384 -> arg ::: Type -> res ::: Type
|
adamc@354
|
385 -> sql_unary arg res -> sql_exp tables agg exps arg
|
adamc@354
|
386 -> sql_exp tables agg exps res
|
adamc@220
|
387
|
adamc@559
|
388 val sql_neg : t ::: Type -> sql_arith t -> sql_unary t t
|
adamc@559
|
389
|
adamc@220
|
390 con sql_binary :: Type -> Type -> Type -> Type
|
adamc@220
|
391 val sql_and : sql_binary bool bool bool
|
adamc@220
|
392 val sql_or : sql_binary bool bool bool
|
adamc@234
|
393 val sql_binary : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@354
|
394 -> arg1 ::: Type -> arg2 ::: Type -> res ::: Type
|
adamc@354
|
395 -> sql_binary arg1 arg2 res -> sql_exp tables agg exps arg1
|
adamc@354
|
396 -> sql_exp tables agg exps arg2
|
adamc@354
|
397 -> sql_exp tables agg exps res
|
adamc@220
|
398
|
adamc@559
|
399 val sql_plus : t ::: Type -> sql_arith t -> sql_binary t t t
|
adamc@559
|
400 val sql_minus : t ::: Type -> sql_arith t -> sql_binary t t t
|
adamc@559
|
401 val sql_times : t ::: Type -> sql_arith t -> sql_binary t t t
|
adamc@559
|
402 val sql_div : t ::: Type -> sql_arith t -> sql_binary t t t
|
adamc@559
|
403 val sql_mod : sql_binary int int int
|
adamc@559
|
404
|
adamc@559
|
405 val sql_eq : t ::: Type -> sql_binary t t bool
|
adamc@559
|
406 val sql_ne : t ::: Type -> sql_binary t t bool
|
adamc@559
|
407 val sql_lt : t ::: Type -> sql_binary t t bool
|
adamc@559
|
408 val sql_le : t ::: Type -> sql_binary t t bool
|
adamc@559
|
409 val sql_gt : t ::: Type -> sql_binary t t bool
|
adamc@559
|
410 val sql_ge : t ::: Type -> sql_binary t t bool
|
adamc@203
|
411
|
adamc@235
|
412 val sql_count : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@544
|
413 -> sql_exp tables agg exps int
|
adamc@235
|
414
|
adamc@236
|
415 con sql_aggregate :: Type -> Type
|
adamc@354
|
416 val sql_aggregate : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@354
|
417 -> t ::: Type
|
adamc@354
|
418 -> sql_aggregate t -> sql_exp agg agg exps t
|
adamc@354
|
419 -> sql_exp tables agg exps t
|
adamc@236
|
420
|
adamc@236
|
421 class sql_summable
|
adamc@236
|
422 val sql_summable_int : sql_summable int
|
adamc@236
|
423 val sql_summable_float : sql_summable float
|
adamc@236
|
424 val sql_avg : t ::: Type -> sql_summable t -> sql_aggregate t
|
adamc@236
|
425 val sql_sum : t ::: Type -> sql_summable t -> sql_aggregate t
|
adamc@236
|
426
|
adamc@236
|
427 class sql_maxable
|
adamc@236
|
428 val sql_maxable_int : sql_maxable int
|
adamc@236
|
429 val sql_maxable_float : sql_maxable float
|
adamc@236
|
430 val sql_maxable_string : sql_maxable string
|
adamc@437
|
431 val sql_maxable_time : sql_maxable time
|
adamc@236
|
432 val sql_max : t ::: Type -> sql_maxable t -> sql_aggregate t
|
adamc@236
|
433 val sql_min : t ::: Type -> sql_maxable t -> sql_aggregate t
|
adamc@236
|
434
|
adamc@441
|
435 con sql_nfunc :: Type -> Type
|
adamc@441
|
436 val sql_nfunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@441
|
437 -> t ::: Type
|
adamc@441
|
438 -> sql_nfunc t -> sql_exp tables agg exps t
|
adamc@441
|
439 val sql_current_timestamp : sql_nfunc time
|
adamc@441
|
440
|
adamc@746
|
441 con sql_ufunc :: Type -> Type -> Type
|
adamc@746
|
442 val sql_ufunc : tables ::: {{Type}} -> agg ::: {{Type}} -> exps ::: {Type}
|
adamc@746
|
443 -> dom ::: Type -> ran ::: Type
|
adamc@746
|
444 -> sql_ufunc dom ran -> sql_exp tables agg exps dom
|
adamc@746
|
445 -> sql_exp tables agg exps ran
|
adamc@746
|
446 val sql_octet_length : sql_ufunc blob int
|
adamc@746
|
447
|
adamc@235
|
448
|
adamc@243
|
449 (*** Executing queries *)
|
adamc@243
|
450
|
adamc@354
|
451 val query : tables ::: {{Type}} -> exps ::: {Type}
|
adamc@629
|
452 -> [tables ~ exps] =>
|
adamc@354
|
453 state ::: Type
|
adamc@354
|
454 -> sql_query tables exps
|
adamc@621
|
455 -> ($(exps ++ map (fn fields :: {Type} => $fields) tables)
|
adamc@354
|
456 -> state
|
adamc@354
|
457 -> transaction state)
|
adamc@354
|
458 -> state
|
adamc@354
|
459 -> transaction state
|
adamc@243
|
460
|
adamc@243
|
461
|
adamc@299
|
462 (*** Database mutators *)
|
adamc@299
|
463
|
adamc@299
|
464 type dml
|
adamc@299
|
465 val dml : dml -> transaction unit
|
adamc@299
|
466
|
adamc@705
|
467 val insert : fields ::: {Type} -> uniques ::: {{Unit}}
|
adamc@705
|
468 -> sql_table fields uniques
|
adamc@621
|
469 -> $(map (fn t :: Type => sql_exp [] [] [] t) fields)
|
adamc@354
|
470 -> dml
|
adamc@299
|
471
|
adamc@705
|
472 val update : unchanged ::: {Type} -> uniques ::: {{Unit}} -> changed :: {Type} ->
|
adamc@629
|
473 [changed ~ unchanged] =>
|
adamc@621
|
474 $(map (fn t :: Type => sql_exp [T = changed ++ unchanged] [] [] t) changed)
|
adamc@705
|
475 -> sql_table (changed ++ unchanged) uniques
|
adamc@354
|
476 -> sql_exp [T = changed ++ unchanged] [] [] bool
|
adamc@354
|
477 -> dml
|
adamc@299
|
478
|
adamc@705
|
479 val delete : fields ::: {Type} -> uniques ::: {{Unit}}
|
adamc@705
|
480 -> sql_table fields uniques
|
adamc@354
|
481 -> sql_exp [T = fields] [] [] bool
|
adamc@354
|
482 -> dml
|
adamc@299
|
483
|
adamc@338
|
484 (*** Sequences *)
|
adamc@338
|
485
|
adamc@338
|
486 type sql_sequence
|
adamc@338
|
487 val nextval : sql_sequence -> transaction int
|
adamc@338
|
488
|
adamc@299
|
489
|
adamc@203
|
490 (** XML *)
|
adamc@203
|
491
|
adamc@721
|
492 type css_class
|
adamc@718
|
493
|
adamc@720
|
494 con tag :: {Type} -> {Unit} -> {Unit} -> {Type} -> {Type} -> Type
|
adamc@91
|
495
|
adamc@720
|
496 con xml :: {Unit} -> {Type} -> {Type} -> Type
|
adamc@720
|
497 val cdata : ctx ::: {Unit} -> use ::: {Type} -> string -> xml ctx use []
|
adamc@354
|
498 val tag : attrsGiven ::: {Type} -> attrsAbsent ::: {Type}
|
adamc@354
|
499 -> ctxOuter ::: {Unit} -> ctxInner ::: {Unit}
|
adamc@354
|
500 -> useOuter ::: {Type} -> useInner ::: {Type}
|
adamc@354
|
501 -> bindOuter ::: {Type} -> bindInner ::: {Type}
|
adamc@629
|
502 -> [attrsGiven ~ attrsAbsent] =>
|
adamc@629
|
503 [useOuter ~ useInner] =>
|
adamc@629
|
504 [bindOuter ~ bindInner] =>
|
adamc@721
|
505 option css_class
|
adamc@721
|
506 -> $attrsGiven
|
adamc@629
|
507 -> tag (attrsGiven ++ attrsAbsent)
|
adamc@720
|
508 ctxOuter ctxInner useOuter bindOuter
|
adamc@720
|
509 -> xml ctxInner useInner bindInner
|
adamc@720
|
510 -> xml ctxOuter (useOuter ++ useInner) (bindOuter ++ bindInner)
|
adamc@140
|
511 val join : ctx ::: {Unit}
|
adamc@720
|
512 -> use1 ::: {Type} -> bind1 ::: {Type} -> bind2 ::: {Type}
|
adamc@720
|
513 -> [use1 ~ bind1] => [bind1 ~ bind2] =>
|
adamc@720
|
514 xml ctx use1 bind1
|
adamc@720
|
515 -> xml ctx (use1 ++ bind1) bind2
|
adamc@720
|
516 -> xml ctx use1 (bind1 ++ bind2)
|
adamc@354
|
517 val useMore : ctx ::: {Unit} -> use1 ::: {Type} -> use2 ::: {Type}
|
adamc@720
|
518 -> bind ::: {Type}
|
adamc@629
|
519 -> [use1 ~ use2] =>
|
adamc@720
|
520 xml ctx use1 bind
|
adamc@720
|
521 -> xml ctx (use1 ++ use2) bind
|
adamc@91
|
522
|
adamc@110
|
523 con xhtml = xml [Html]
|
adamc@139
|
524 con page = xhtml [] []
|
adamc@720
|
525 con xbody = xml [Body] [] []
|
adamc@720
|
526 con xtr = xml [Body, Tr] [] []
|
adamc@720
|
527 con xform = xml [Body, Form] [] []
|
adamc@110
|
528
|
adamc@718
|
529
|
adamc@204
|
530 (*** HTML details *)
|
adamc@204
|
531
|
adamc@140
|
532 con html = [Html]
|
adamc@140
|
533 con head = [Head]
|
adamc@140
|
534 con body = [Body]
|
adamc@361
|
535 con form = [Body, Form]
|
adamc@760
|
536 con subform = [Body, Subform]
|
adamc@332
|
537 con tabl = [Body, Table]
|
adamc@332
|
538 con tr = [Body, Tr]
|
adamc@93
|
539
|
adamc@724
|
540 type url
|
adamc@724
|
541 val bless : string -> url
|
adamc@770
|
542 val checkUrl : string -> option url
|
adamc@724
|
543
|
adamc@847
|
544 val dyn : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> [ctx ~ body] => unit
|
adamc@847
|
545 -> tag [Signal = signal (xml (body ++ ctx) use bind)] (body ++ ctx) [] use bind
|
adamc@568
|
546
|
adamc@720
|
547 val head : unit -> tag [] html head [] []
|
adamc@720
|
548 val title : unit -> tag [] head [] [] []
|
adamc@1047
|
549 val link : unit -> tag [Id = string, Rel = string, Typ = string, Href = url, Media = string] head [] [] []
|
adamc@110
|
550
|
adamc@892
|
551 val body : unit -> tag [Onload = transaction unit, Onresize = transaction unit, Onunload = transaction unit]
|
adamc@892
|
552 html body [] []
|
adamc@354
|
553 con bodyTag = fn (attrs :: {Type}) =>
|
adamc@354
|
554 ctx ::: {Unit} ->
|
adamc@629
|
555 [[Body] ~ ctx] =>
|
adamc@720
|
556 unit -> tag attrs ([Body] ++ ctx) ([Body] ++ ctx) [] []
|
adamc@354
|
557 con bodyTagStandalone = fn (attrs :: {Type}) =>
|
adamc@354
|
558 ctx ::: {Unit}
|
adamc@629
|
559 -> [[Body] ~ ctx] =>
|
adamc@720
|
560 unit -> tag attrs ([Body] ++ ctx) [] [] []
|
adamc@141
|
561
|
adamc@1047
|
562 val br : bodyTagStandalone [Id = int]
|
adamc@119
|
563
|
adamc@892
|
564 con focusEvents = [Onblur = transaction unit, Onfocus = transaction unit]
|
adamc@892
|
565 con mouseEvents = [Onclick = transaction unit, Ondblclick = transaction unit,
|
adamc@892
|
566 Onmousedown = transaction unit, Onmousemove = transaction unit,
|
adamc@892
|
567 Onmouseout = transaction unit, Onmouseover = transaction unit,
|
adamc@894
|
568 Onmouseup = transaction unit]
|
adamc@895
|
569 con keyEvents = [Onkeydown = int -> transaction unit, Onkeypress = int -> transaction unit,
|
adamc@895
|
570 Onkeyup = int -> transaction unit]
|
adamc@895
|
571 (* Key arguments are character codes. *)
|
adamc@892
|
572 con resizeEvents = [Onresize = transaction unit]
|
adamc@691
|
573
|
adamc@892
|
574 con boxEvents = focusEvents ++ mouseEvents ++ keyEvents ++ resizeEvents
|
adamc@892
|
575 con tableEvents = focusEvents ++ mouseEvents ++ keyEvents
|
adamc@140
|
576
|
adamc@1047
|
577 con boxAttrs = [Id = string] ++ boxEvents
|
adamc@1047
|
578 con tableAttrs = [Id = string] ++ tableEvents
|
adamc@469
|
579
|
adamc@1047
|
580 val span : bodyTag boxAttrs
|
adamc@1047
|
581 val div : bodyTag boxAttrs
|
adamc@140
|
582
|
adamc@1047
|
583 val p : bodyTag boxAttrs
|
adamc@1047
|
584 val b : bodyTag boxAttrs
|
adamc@1047
|
585 val i : bodyTag boxAttrs
|
adamc@1047
|
586 val tt : bodyTag boxAttrs
|
adamc@410
|
587
|
adamc@1047
|
588 val h1 : bodyTag boxAttrs
|
adamc@1047
|
589 val h2 : bodyTag boxAttrs
|
adamc@1047
|
590 val h3 : bodyTag boxAttrs
|
adamc@1047
|
591 val h4 : bodyTag boxAttrs
|
adamc@1047
|
592 val h5 : bodyTag boxAttrs
|
adamc@1047
|
593 val h6 : bodyTag boxAttrs
|
adamc@717
|
594
|
adamc@1047
|
595 val li : bodyTag boxAttrs
|
adamc@1047
|
596 val ol : bodyTag boxAttrs
|
adamc@1047
|
597 val ul : bodyTag boxAttrs
|
adamc@140
|
598
|
adamc@1047
|
599 val hr : bodyTag boxAttrs
|
adamc@1047
|
600
|
adamc@1047
|
601 val a : bodyTag ([Link = transaction page, Href = url] ++ boxAttrs)
|
adamc@892
|
602
|
adamc@892
|
603 val img : bodyTag ([Src = url, Onabort = transaction unit, Onerror = transaction unit,
|
adamc@1047
|
604 Onload = transaction unit] ++ boxAttrs)
|
adamc@892
|
605
|
adamc@720
|
606 val form : ctx ::: {Unit} -> bind ::: {Type}
|
adamc@1004
|
607 -> [[Body, Form] ~ ctx] =>
|
adamc@1004
|
608 xml ([Body, Form] ++ ctx) [] bind
|
adamc@756
|
609 -> xml ([Body] ++ ctx) [] []
|
adamc@756
|
610
|
adamc@756
|
611 val subform : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
|
adamc@756
|
612 -> [[Form] ~ ctx] =>
|
adamc@756
|
613 nm :: Name -> [[nm] ~ use] =>
|
adamc@1004
|
614 xml ([Form] ++ ctx) [] bind
|
adamc@756
|
615 -> xml ([Form] ++ ctx) use [nm = $bind]
|
adamc@758
|
616
|
adamc@758
|
617 val subforms : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type}
|
adamc@1004
|
618 -> [[Form, Subform] ~ ctx] =>
|
adamc@758
|
619 nm :: Name -> [[nm] ~ use] =>
|
adamc@1004
|
620 xml ([Subform] ++ ctx) [Entry = $bind] []
|
adamc@758
|
621 -> xml ([Form] ++ ctx) use [nm = list ($bind)]
|
adamc@758
|
622
|
adamc@758
|
623 val entry : ctx ::: {Unit} -> bind ::: {Type}
|
adamc@1004
|
624 -> [[Subform, Form] ~ ctx] =>
|
adamc@1004
|
625 xml ([Form] ++ ctx) [] bind
|
adamc@758
|
626 -> xml ([Subform] ++ ctx) [Entry = $bind] []
|
adamc@758
|
627
|
adamc@361
|
628 con formTag = fn (ty :: Type) (inner :: {Unit}) (attrs :: {Type}) =>
|
adamc@354
|
629 ctx ::: {Unit}
|
adamc@629
|
630 -> [[Form] ~ ctx] =>
|
adamc@354
|
631 nm :: Name -> unit
|
adamc@720
|
632 -> tag attrs ([Form] ++ ctx) inner [] [nm = ty]
|
adamc@1047
|
633 val hidden : formTag string [] [Id = string, Value = string]
|
adamc@892
|
634 val textbox : formTag string [] ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
|
adamc@1047
|
635 Ontext = transaction unit] ++ boxAttrs)
|
adamc@1047
|
636 val password : formTag string [] ([Value = string, Size = int] ++ boxAttrs)
|
adamc@892
|
637 val textarea : formTag string [] ([Rows = int, Cols = int, Onchange = transaction unit,
|
adamc@1047
|
638 Ontext = transaction unit] ++ boxAttrs)
|
adamc@153
|
639
|
adamc@1047
|
640 val checkbox : formTag bool [] ([Checked = bool] ++ boxAttrs)
|
adamc@190
|
641
|
adamc@737
|
642 type file
|
adamc@737
|
643 val fileName : file -> option string
|
adamc@740
|
644 val fileMimeType : file -> string
|
adamc@737
|
645 val fileData : file -> blob
|
adamc@737
|
646
|
adamc@1047
|
647 val upload : formTag file [] ([Value = string, Size = int] ++ boxAttrs)
|
adamc@737
|
648
|
adamc@741
|
649 type mimeType
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adamc@741
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650 val blessMime : string -> mimeType
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adamc@770
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651 val checkMime : string -> option mimeType
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adamc@741
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652 val returnBlob : t ::: Type -> blob -> mimeType -> transaction t
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adamc@745
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653 val blobSize : blob -> int
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adamc@741
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654
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adamc@153
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655 con radio = [Body, Radio]
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adamc@1047
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656 val radio : formTag string radio [Id = string]
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adamc@1047
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657 val radioOption : unit -> tag ([Value = string] ++ boxAttrs) radio [] [] []
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adamc@142
|
658
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adamc@154
|
659 con select = [Select]
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adamc@1047
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660 val select : formTag string select ([Onchange = transaction unit] ++ boxAttrs)
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adamc@720
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661 val option : unit -> tag [Value = string, Selected = bool] select [] [] []
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adamc@154
|
662
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adamc@720
|
663 val submit : ctx ::: {Unit} -> use ::: {Type}
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adamc@629
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664 -> [[Form] ~ ctx] =>
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adamc@354
|
665 unit
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adamc@1047
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666 -> tag ([Value = string, Action = $use -> transaction page] ++ boxAttrs)
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adamc@720
|
667 ([Form] ++ ctx) ([Form] ++ ctx) use []
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adamc@283
|
668
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adamc@1047
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669 val label : bodyTag ([For = string, Accesskey = string] ++ tableAttrs)
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adamc@1047
|
670
|
adamc@1047
|
671
|
adamc@601
|
672 (*** AJAX-oriented widgets *)
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adamc@601
|
673
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adamc@797
|
674 con cformTag = fn (attrs :: {Type}) (inner :: {Unit}) =>
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adamc@601
|
675 ctx ::: {Unit}
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adamc@629
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676 -> [[Body] ~ ctx] =>
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adamc@797
|
677 unit -> tag attrs ([Body] ++ ctx) inner [] []
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adamc@601
|
678
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adamc@892
|
679 val ctextbox : cformTag ([Value = string, Size = int, Source = source string, Onchange = transaction unit,
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adamc@1047
|
680 Ontext = transaction unit] ++ boxAttrs) []
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adamc@1047
|
681 val button : cformTag ([Value = string] ++ boxAttrs) []
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adamc@797
|
682
|
adamc@1047
|
683 val ccheckbox : cformTag ([Value = bool, Size = int, Source = source bool] ++ boxAttrs) []
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adamc@817
|
684
|
adamc@797
|
685 con cselect = [Cselect]
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adamc@1047
|
686 val cselect : cformTag ([Source = source string, Onchange = transaction unit] ++ boxAttrs) cselect
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adamc@797
|
687 val coption : unit -> tag [Value = string, Selected = bool] cselect [] [] []
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adamc@601
|
688
|
adamc@720
|
689 (*** Tables *)
|
adamc@720
|
690
|
adamc@892
|
691 val tabl : other ::: {Unit} -> [other ~ [Body, Table]] => unit
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adamc@1047
|
692 -> tag ([Border = int] ++ boxAttrs)
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adamc@892
|
693 ([Body] ++ other) ([Body, Table] ++ other) [] []
|
adamc@892
|
694 val tr : other ::: {Unit} -> [other ~ [Body, Table, Tr]] => unit
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adamc@1047
|
695 -> tag tableAttrs
|
adamc@892
|
696 ([Body, Table] ++ other) ([Body, Tr] ++ other) [] []
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adamc@892
|
697 val th : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
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adamc@1047
|
698 -> tag ([Colspan = int] ++ tableAttrs)
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adamc@892
|
699 ([Body, Tr] ++ other) ([Body] ++ other) [] []
|
adamc@892
|
700 val td : other ::: {Unit} -> [other ~ [Body, Tr]] => unit
|
adamc@1047
|
701 -> tag ([Colspan = int] ++ tableAttrs)
|
adamc@892
|
702 ([Body, Tr] ++ other) ([Body] ++ other) [] []
|
adamc@720
|
703
|
adamc@283
|
704
|
adamc@283
|
705 (** Aborting *)
|
adamc@283
|
706
|
adamc@726
|
707 val error : t ::: Type -> xbody -> t
|
adamc@720
|
708
|
adamc@729
|
709 (* Client-side-only handlers: *)
|
adamc@726
|
710 val onError : (xbody -> transaction unit) -> transaction unit
|
adamc@728
|
711 val onFail : (string -> transaction unit) -> transaction unit
|
adamc@729
|
712 val onConnectFail : transaction unit -> transaction unit
|
adamc@729
|
713 val onDisconnect : transaction unit -> transaction unit
|
adamc@729
|
714 val onServerError : (string -> transaction unit) -> transaction unit
|
adamc@727
|
715
|
adamc@727
|
716 val show_xml : ctx ::: {Unit} -> use ::: {Type} -> bind ::: {Type} -> show (xml ctx use bind)
|