1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
|
(* Copyright (c) 2008-2010, Adam Chlipala
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* - Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* - The names of contributors may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*)
structure Demo :> DEMO = struct
fun make' {prefix, dirname, guided} =
let
val prose = OS.Path.joinDirFile {dir = dirname,
file = "prose"}
val inf = TextIO.openIn prose
val outDir = OS.Path.concat (dirname, "out")
val () = if OS.FileSys.access (outDir, []) then
()
else
OS.FileSys.mkDir outDir
val fname = OS.Path.joinDirFile {dir = outDir,
file = "index.html"}
val out = TextIO.openOut fname
val () = (TextIO.output (out, "<frameset cols=\"15%,85%\">\n");
TextIO.output (out, "<frame src=\"demos.html\">\n");
TextIO.output (out, "<frame src=\"intro.html\" name=\"staging\">\n");
TextIO.output (out, "</frameset>\n");
TextIO.closeOut out)
val fname = OS.Path.joinDirFile {dir = outDir,
file = "demos.html"}
val demosOut = TextIO.openOut fname
val () = (TextIO.output (demosOut, "<html><body>\n\n");
TextIO.output (demosOut, "<li> <a target=\"staging\" href=\"intro.html\">Intro</a></li>\n\n"))
val fname = OS.Path.joinDirFile {dir = dirname,
file = "demo.urs"}
val ursOut = TextIO.openOut fname
val () = (TextIO.output (ursOut, "val main : unit -> transaction page\n");
TextIO.closeOut ursOut)
val fname = OS.Path.joinDirFile {dir = dirname,
file = "demo.ur"}
val urOut = TextIO.openOut fname
val () = TextIO.output (urOut, "fun main () = return <xml><body>\n")
fun mergeWith f (o1, o2) =
case (o1, o2) of
(NONE, _) => o2
| (_, NONE) => o1
| (SOME v1, SOME v2) => SOME (f (v1, v2))
fun combiner (combined : Compiler.job, urp : Compiler.job) = {
prefix = prefix,
database = mergeWith (fn (v1, v2) =>
if v1 = v2 then
v1
else
raise Fail "Different demos want to use different database strings")
(#database combined, #database urp),
sources = foldl (fn (file, files) =>
if List.exists (fn x => x = file) files then
files
else
files @ [file])
(#sources combined) (#sources urp),
exe = case Settings.getExe () of
NONE => OS.Path.joinDirFile {dir = dirname,
file = "demo.exe"}
| SOME s => s,
sql = SOME (case Settings.getSql () of
NONE => OS.Path.joinDirFile {dir = dirname,
file = "demo.sql"}
| SOME s => s),
debug = Settings.getDebug (),
timeout = Int.max (#timeout combined, #timeout urp),
profile = false,
ffi = [],
link = [],
headers = [],
scripts = [],
clientToServer = [],
effectful = [],
benignEffectful = [],
clientOnly = [],
serverOnly = [],
jsFuncs = [],
rewrites = #rewrites combined @ #rewrites urp,
filterUrl = #filterUrl combined @ #filterUrl urp,
filterMime = #filterMime combined @ #filterMime urp,
protocol = mergeWith #2 (#protocol combined, #protocol urp),
dbms = mergeWith #2 (#dbms combined, #dbms urp),
sigFile = mergeWith #2 (#sigFile combined, #sigFile urp)
}
val parse = Compiler.run (Compiler.transform Compiler.parseUrp "Demo parseUrp")
fun capitalize "" = ""
| capitalize s = str (Char.toUpper (String.sub (s, 0)))
^ String.extract (s, 1, NONE)
fun startUrp urp =
let
val base = OS.Path.base urp
val name = capitalize base
val () = (TextIO.output (demosOut, "<li> <a target=\"staging\" href=\"");
TextIO.output (demosOut, base);
TextIO.output (demosOut, ".html\">");
TextIO.output (demosOut, name);
TextIO.output (demosOut, "</a></li>\n"))
val () = (TextIO.output (urOut, " <li> <a link={");
TextIO.output (urOut, name);
TextIO.output (urOut, ".main ()}>");
TextIO.output (urOut, name);
TextIO.output (urOut, "</a></li>\n"))
val urp_file = OS.Path.joinDirFile {dir = dirname,
file = urp}
val out = OS.Path.joinBaseExt {base = base,
ext = SOME "html"}
val out = OS.Path.joinDirFile {dir = outDir,
file = out}
val out = TextIO.openOut out
val () = (TextIO.output (out, "<frameset rows=\"");
TextIO.output (out, if guided then
"*,100"
else
"50%,*");
TextIO.output (out, "\">\n");
TextIO.output (out, "<frame src=\"");
TextIO.output (out, prefix);
TextIO.output (out, "/");
TextIO.output (out, name);
TextIO.output (out, "/main\" name=\"showcase\">\n");
TextIO.output (out, "<frame src=\"");
TextIO.output (out, base);
TextIO.output (out, ".desc.html\">\n");
TextIO.output (out, "</frameset>\n");
TextIO.closeOut out)
val () = TextIO.closeOut out
val out = OS.Path.joinBaseExt {base = base,
ext = SOME "desc"}
val out = OS.Path.joinBaseExt {base = out,
ext = SOME "html"}
val out = TextIO.openOut (OS.Path.joinDirFile {dir = outDir,
file = out})
in
case parse (OS.Path.base urp_file) of
NONE => raise Fail ("Can't parse " ^ urp_file)
| SOME urpData =>
(TextIO.output (out, "<html><head>\n<title>");
TextIO.output (out, name);
TextIO.output (out, "</title>\n</head><body>\n\n<h1>");
TextIO.output (out, name);
TextIO.output (out, "</h1>\n\n<center>[ <a target=\"showcase\" href=\"");
TextIO.output (out, prefix);
TextIO.output (out, "/");
TextIO.output (out, name);
TextIO.output (out, "/main\">Application</a>");
TextIO.output (out, " | <a target=\"showcase\" href=\"");
TextIO.output (out, urp);
TextIO.output (out, ".html\"><tt>");
TextIO.output (out, urp);
TextIO.output (out, "</tt></a>");
app (fn file =>
let
fun ifEx s =
let
val src = OS.Path.joinBaseExt {base = file,
ext = SOME s}
val src' = OS.Path.file src
in
if String.isPrefix (OS.Path.mkAbsolute {path = dirname,
relativeTo = OS.FileSys.getDir ()}) src
andalso OS.FileSys.access (src, []) then
(TextIO.output (out, " | <a target=\"showcase\" href=\"");
TextIO.output (out, src');
TextIO.output (out, ".html\"><tt>");
TextIO.output (out, src');
TextIO.output (out, "</tt></a>"))
else
()
end
in
ifEx "urs";
ifEx "ur"
end) (#sources urpData);
TextIO.output (out, " ]</center>\n\n");
(urpData, out))
end
fun endUrp out =
(TextIO.output (out, "\n</body></html>\n");
TextIO.closeOut out)
fun readUrp (combined, out) =
let
fun finished () = endUrp out
fun readUrp' () =
case TextIO.inputLine inf of
NONE => (finished ();
combined)
| SOME line =>
if String.isSuffix ".urp\n" line then
let
val urp = String.substring (line, 0, size line - 1)
val (urpData, out) = startUrp urp
in
finished ();
readUrp (combiner (combined, urpData),
out)
end
else
(TextIO.output (out, line);
readUrp' ())
in
readUrp' ()
end
val indexFile = OS.Path.joinDirFile {dir = outDir,
file = "intro.html"}
val out = TextIO.openOut indexFile
val () = TextIO.output (out, "<html><head>\n<title>Ur/Web Demo</title>\n</head><body>\n\n")
fun readIndex () =
let
fun finished () = (TextIO.output (out, "\n</body></html>\n");
TextIO.closeOut out)
in
case TextIO.inputLine inf of
NONE => (finished ();
NONE)
| SOME line =>
if String.isSuffix ".urp\n" line then
let
val urp = String.substring (line, 0, size line - 1)
val (urpData, out) = startUrp urp
in
finished ();
SOME (readUrp (urpData,
out))
end
else
(TextIO.output (out, line);
readIndex ())
end
fun prettyPrint () =
let
val dir = Posix.FileSys.opendir dirname
fun loop () =
case Posix.FileSys.readdir dir of
NONE => Posix.FileSys.closedir dir
| SOME file =>
let
fun doit f =
f (OS.Path.joinDirFile {dir = dirname,
file = file},
OS.Path.mkAbsolute
{relativeTo = OS.FileSys.getDir (),
path = OS.Path.joinDirFile {dir = outDir,
file = OS.Path.joinBaseExt {base = file,
ext = SOME "html"}}})
fun highlight () =
doit (fn (src, html) =>
let
val dirty =
let
val srcSt = Posix.FileSys.stat src
val htmlSt = Posix.FileSys.stat html
in
Time.> (Posix.FileSys.ST.mtime srcSt,
Posix.FileSys.ST.mtime htmlSt)
end handle OS.SysErr _ => true
val cmd = "emacs --eval \"(progn "
^ "(global-font-lock-mode t) "
^ "(add-to-list 'load-path \\\""
^ Config.sitelisp
^ "/\\\") "
^ "(load \\\"urweb-mode-startup\\\") "
^ "(urweb-mode) "
^ "(find-file \\\""
^ src
^ "\\\") "
^ "(switch-to-buffer (htmlize-buffer)) "
^ "(write-file \\\""
^ html
^ "\\\") "
^ "(kill-emacs))\""
in
if dirty then
(print (">>> " ^ cmd ^ "\n");
ignore (OS.Process.system cmd))
else
()
end)
in
if OS.Path.base file = "demo" then
()
else case OS.Path.ext file of
SOME "urp" =>
doit (fn (src, html) =>
let
val inf = TextIO.openIn src
val out = TextIO.openOut html
fun loop () =
case TextIO.inputLine inf of
NONE => ()
| SOME line => (TextIO.output (out, line);
loop ())
in
TextIO.output (out, "<html><body>\n\n<pre>");
loop ();
TextIO.output (out, "</pre>\n\n</body></html>");
TextIO.closeIn inf;
TextIO.closeOut out
end)
| SOME "urs" => highlight ()
| SOME "ur" => highlight ()
| _ => ();
loop ()
end
in
loop ()
end
in
case readIndex () of
NONE => raise Fail "No demo applications!"
| SOME combined =>
let
val () = (TextIO.output (urOut, "</body></xml>\n");
TextIO.closeOut urOut)
val fname = OS.Path.joinDirFile {dir = dirname,
file = "demo.urp"}
val outf = TextIO.openOut fname
fun filters kind =
app (fn rule : Settings.rule =>
(TextIO.output (outf, case #action rule of
Settings.Allow => "allow"
| Settings.Deny => "deny");
TextIO.output (outf, " ");
TextIO.output (outf, kind);
TextIO.output (outf, " ");
TextIO.output (outf, #pattern rule);
case #kind rule of
Settings.Exact => ()
| Settings.Prefix => TextIO.output (outf, "*");
TextIO.output (outf, "\n")))
in
Option.app (fn db => (TextIO.output (outf, "database ");
TextIO.output (outf, db);
TextIO.output (outf, "\n")))
(#database combined);
TextIO.output (outf, "sql demo.sql\n");
TextIO.output (outf, "prefix ");
TextIO.output (outf, prefix);
TextIO.output (outf, "\n");
app (fn rule =>
(TextIO.output (outf, "rewrite ");
TextIO.output (outf, case #pkind rule of
Settings.Any => "any"
| Settings.Url => "url"
| Settings.Table => "table"
| Settings.Sequence => "sequence"
| Settings.View => "view"
| Settings.Relation => "relation"
| Settings.Cookie => "cookie"
| Settings.Style => "style");
TextIO.output (outf, " ");
TextIO.output (outf, #from rule);
case #kind rule of
Settings.Exact => ()
| Settings.Prefix => TextIO.output (outf, "*");
TextIO.output (outf, " ");
TextIO.output (outf, #to rule);
TextIO.output (outf, "\n"))) (#rewrites combined);
filters "url" (#filterUrl combined);
filters "mime" (#filterMime combined);
TextIO.output (outf, "\n");
app (fn s =>
let
val s = OS.Path.mkAbsolute {relativeTo = OS.FileSys.getDir (),
path = s}
in
TextIO.output (outf, s);
TextIO.output (outf, "\n")
end)
(#sources combined);
TextIO.output (outf, "\n");
TextIO.output (outf, "demo\n");
TextIO.closeOut outf;
let
val b = Compiler.compile (OS.Path.base fname)
in
TextIO.output (demosOut, "\n</body></html>\n");
TextIO.closeOut demosOut;
if b then
prettyPrint ()
else
();
b
end
end
end
fun make args = if make' args then
()
else
OS.Process.exit OS.Process.failure
end
|
