summaryrefslogtreecommitdiff
path: root/src/demo.sml
blob: fb4158a44d55c9742f495bb11fa12abfb0e6b5d0 (plain)
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
(* Copyright (c) 2008, 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 = OS.Path.joinDirFile {dir = dirname,
                                       file = "demo.exe"},
            sql = SOME (OS.Path.joinDirFile {dir = dirname,
                                             file = "demo.sql"}),
            debug = false,
            timeout = Int.max (#timeout combined, #timeout urp),
            profile = false,
            ffi = [],
            link = [],
            headers = [],
            scripts = [],
            clientToServer = [],
            effectful = [],
            clientOnly = [],
            serverOnly = [],
            jsFuncs = [],
            rewrites = #rewrites combined @ #rewrites urp,
            filterUrl = #filterUrl combined @ #filterUrl urp,
            filterMime = #filterMime combined @ #filterMime 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 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
            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);
                app (fn rule =>
                        (TextIO.output (outf, case #action rule of
                                                  Settings.Allow => "allow"
                                                | Settings.Deny => "deny");
                         TextIO.output (outf, " url ");
                         TextIO.output (outf, #pattern rule);
                         case #kind rule of
                             Settings.Exact => ()
                           | Settings.Prefix => TextIO.output (outf, "*");
                         TextIO.output (outf, "\n"))) (#filterUrl 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;

                Compiler.compile (OS.Path.base fname)
            end;

        TextIO.output (demosOut, "\n</body></html>\n");
        TextIO.closeOut demosOut;

        prettyPrint ()
    end

end