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Beautified tutorial HTML
author Adam Chlipala <adam@chlipala.net>
date Fri, 15 Jul 2011 17:16:39 -0400
parents 9cb923efea4d
children af0d4d11c5d7
rev   line source
adam@1493 1 (* Copyright (c) 2011, Adam Chlipala
adam@1493 2 * All rights reserved.
adam@1493 3 *
adam@1493 4 * Redistribution and use in source and binary forms, with or without
adam@1493 5 * modification, are permitted provided that the following conditions are met:
adam@1493 6 *
adam@1493 7 * - Redistributions of source code must retain the above copyright notice,
adam@1493 8 * this list of conditions and the following disclaimer.
adam@1493 9 * - Redistributions in binary form must reproduce the above copyright notice,
adam@1493 10 * this list of conditions and the following disclaimer in the documentation
adam@1493 11 * and/or other materials provided with the distribution.
adam@1493 12 * - The names of contributors may not be used to endorse or promote products
adam@1493 13 * derived from this software without specific prior written permission.
adam@1493 14 *
adam@1493 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
adam@1493 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
adam@1493 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
adam@1493 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
adam@1493 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
adam@1493 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
adam@1493 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
adam@1493 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
adam@1493 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
adam@1493 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
adam@1493 25 * POSSIBILITY OF SUCH DAMAGE.
adam@1493 26 *)
adam@1493 27
adam@1493 28 structure Tutorial :> TUTORIAL = struct
adam@1493 29
adam@1494 30 fun readAll inf =
adam@1493 31 let
adam@1493 32 fun loop acc =
adam@1493 33 case TextIO.inputLine inf of
adam@1493 34 NONE => Substring.full (String.concat (rev acc))
adam@1493 35 | SOME line => loop (line :: acc)
adam@1493 36 in
adam@1493 37 loop []
adam@1493 38 before TextIO.closeIn inf
adam@1493 39 end
adam@1493 40
adam@1494 41 val readAllFile = readAll o TextIO.openIn
adam@1494 42
adam@1494 43 fun fixupFile (fname, title) =
adam@1494 44 let
adam@1494 45 val source = readAllFile "/tmp/final.html"
adam@1494 46 val outf = TextIO.openOut (OS.Path.mkAbsolute {relativeTo = OS.FileSys.getDir (),
adam@1494 47 path = OS.Path.joinBaseExt {base = OS.Path.base fname, ext = SOME "html"}})
adam@1494 48
adam@1494 49 val (befor, after) = Substring.position "<title>" source
adam@1494 50
adam@1494 51 fun loop source =
adam@1494 52 let
adam@1494 53 val (befor, after) = Substring.position "<span class=\"comment-delimiter\">(* </span><span class=\"comment\">" source
adam@1494 54 in
adam@1494 55 if Substring.isEmpty after then
adam@1494 56 TextIO.outputSubstr (outf, source)
adam@1494 57 else
adam@1494 58 let
adam@1494 59 val (befor', after) = Substring.position " </span><span class=\"comment-delimiter\">*)</span>"
adam@1494 60 (Substring.slice (after, 64, NONE))
adam@1494 61 in
adam@1494 62 if Substring.isEmpty after then
adam@1494 63 TextIO.outputSubstr (outf, source)
adam@1494 64 else
adam@1494 65 (TextIO.outputSubstr (outf, befor);
adam@1494 66 TextIO.output (outf, "<div class=\"prose\">");
adam@1494 67 TextIO.outputSubstr (outf, befor');
adam@1494 68 TextIO.output (outf, "</div>");
adam@1494 69 loop (Substring.slice (after, 49, NONE)))
adam@1494 70 end
adam@1494 71 end
adam@1494 72 in
adam@1494 73 if Substring.isEmpty after then
adam@1494 74 raise Fail ("Missing <title> for " ^ title)
adam@1494 75 else
adam@1494 76 (TextIO.outputSubstr (outf, befor);
adam@1494 77 TextIO.output (outf, "<style type=\"text/css\">\n");
adam@1494 78 TextIO.output (outf, "<!--\n");
adam@1494 79 TextIO.output (outf, "\tdiv.prose {\n");
adam@1494 80 TextIO.output (outf, "\t\tfont-family: Arial;\n");
adam@1494 81 TextIO.output (outf, "\t\tbackground-color: #CCFFCC;\n");
adam@1494 82 TextIO.output (outf, "\t\tborder-style: solid;\n");
adam@1494 83 TextIO.output (outf, "\t\tpadding: 5px;\n");
adam@1494 84 TextIO.output (outf, "\t\tfont-size: larger;\n");
adam@1494 85 TextIO.output (outf, "\t}\n");
adam@1494 86 TextIO.output (outf, "-->\n");
adam@1494 87 TextIO.output (outf, "</style>\n");
adam@1494 88 TextIO.output (outf, "<title>");
adam@1494 89 TextIO.output (outf, title);
adam@1494 90 let
adam@1494 91 val (befor, after) = Substring.position "</title>" after
adam@1494 92 in
adam@1494 93 if Substring.isEmpty after then
adam@1494 94 raise Fail ("Missing </title> for " ^ title)
adam@1494 95 else
adam@1494 96 let
adam@1494 97 val (befor, after) = Substring.position "<body>" after
adam@1494 98 in
adam@1494 99 if Substring.isEmpty after then
adam@1494 100 raise Fail ("Missing <body> for " ^ title)
adam@1494 101 else
adam@1494 102 (TextIO.outputSubstr (outf, befor);
adam@1494 103 TextIO.output (outf, "<body><h1>");
adam@1494 104 TextIO.output (outf, title);
adam@1494 105 TextIO.output (outf, "</h1>");
adam@1494 106 loop (Substring.slice (after, 6, NONE)))
adam@1494 107 end
adam@1494 108 end;
adam@1494 109 TextIO.closeOut outf)
adam@1494 110 end
adam@1493 111
adam@1493 112 fun doUr fname =
adam@1493 113 let
adam@1494 114 val inf = TextIO.openIn fname
adam@1494 115
adam@1494 116 val title = case TextIO.inputLine inf of
adam@1494 117 NONE => raise Fail ("No title comment at start of " ^ fname)
adam@1494 118 | SOME title => title
adam@1494 119
adam@1494 120 val title = String.substring (title, 3, size title - 7)
adam@1494 121
adam@1493 122 val eval = TextIO.openOut "/tmp/eval.ur"
adam@1493 123 val gen = TextIO.openOut "/tmp/gen.ur"
adam@1493 124
adam@1493 125 fun untilEnd source =
adam@1493 126 let
adam@1493 127 val (befor, after) = Substring.position "(* end *)" source
adam@1493 128 in
adam@1493 129 if Substring.isEmpty after then
adam@1493 130 (source, Substring.full "")
adam@1493 131 else
adam@1493 132 (befor, Substring.slice (after, 9, NONE))
adam@1493 133 end
adam@1493 134
adam@1493 135 fun doDirectives (count, source) =
adam@1493 136 let
adam@1493 137 val safe = String.translate (fn #"<" => "&lt;"
adam@1493 138 | #"&" => "&amp;"
adam@1493 139 | #"{" => "&#123;"
adam@1493 140 | #"(" => "&#40;"
adam@1493 141 | #"\n" => "&#40;*NL*)\n"
adam@1493 142 | ch => str ch) o Substring.string
adam@1493 143
adam@1493 144 val (befor, after) = Substring.position "(* begin " source
adam@1493 145
adam@1493 146 fun default () = (TextIO.outputSubstr (eval, source);
adam@1493 147 TextIO.output (gen, safe source))
adam@1493 148 in
adam@1493 149 if Substring.isEmpty after then
adam@1493 150 default ()
adam@1493 151 else
adam@1493 152 let
adam@1493 153 val (command, after) = Substring.splitl (not o Char.isSpace) (Substring.slice (after, 9, NONE))
adam@1493 154 in
adam@1493 155 if Substring.isEmpty after then
adam@1493 156 default ()
adam@1493 157 else
adam@1493 158 let
adam@1493 159 val (_, rest) = Substring.position "*)" after
adam@1493 160 in
adam@1493 161 if Substring.isEmpty rest then
adam@1493 162 default ()
adam@1493 163 else
adam@1493 164 let
adam@1493 165 val (arg, source) = untilEnd (Substring.slice (rest, 3, NONE))
adam@1493 166 val () = (TextIO.outputSubstr (eval, befor);
adam@1493 167 TextIO.output (gen, safe befor))
adam@1493 168 val (count, skip) =
adam@1493 169 case Substring.string command of
adam@1493 170 "hide" => (TextIO.outputSubstr (eval, arg);
adam@1493 171 (count, true))
adam@1493 172 | "eval" => (TextIO.output (eval, "val _eval");
adam@1493 173 TextIO.output (eval, Int.toString count);
adam@1493 174 TextIO.output (eval, " = ");
adam@1493 175 TextIO.outputSubstr (eval, arg);
adam@1493 176 TextIO.output (eval, "\n\n");
adam@1493 177
adam@1493 178 TextIO.output (gen, safe arg);
adam@1493 179 TextIO.output (gen, "== {[_eval");
adam@1493 180 TextIO.output (gen, Int.toString count);
adam@1493 181 TextIO.output (gen, "]}");
adam@1493 182
adam@1493 183 (count + 1, false))
adam@1493 184 | s => raise Fail ("Unknown tutorial directive: " ^ s)
adam@1493 185 in
adam@1493 186 doDirectives (count, if skip then
adam@1493 187 #2 (Substring.splitl Char.isSpace source)
adam@1493 188 else
adam@1493 189 source)
adam@1493 190 end
adam@1493 191 end
adam@1493 192 end
adam@1493 193 end
adam@1493 194 in
adam@1494 195 doDirectives (0, readAll inf);
adam@1493 196 TextIO.closeOut gen;
adam@1493 197
adam@1493 198 TextIO.output (eval, "\n\nfun main () : transaction page =\nreturn <xml><body>");
adam@1494 199 TextIO.outputSubstr (eval, readAllFile "/tmp/gen.ur");
adam@1493 200 TextIO.output (eval, "</body></xml>");
adam@1493 201 TextIO.closeOut eval;
adam@1493 202
adam@1493 203 if Compiler.compile "/tmp/eval" then
adam@1493 204 let
adam@1493 205 val proc = Unix.execute ("/bin/sh", ["-c", "/tmp/eval.exe /main"])
adam@1493 206 val inf = Unix.textInstreamOf proc
adam@1494 207 val s = readAll inf
adam@1493 208 val _ = Unix.reap proc
adam@1493 209
adam@1493 210 val (befor, after) = Substring.position "<sc>" s
adam@1493 211 in
adam@1493 212 if Substring.isEmpty after then
adam@1493 213 print ("Bad output for " ^ fname ^ "! [1]\n")
adam@1493 214 else
adam@1493 215 let
adam@1493 216 val after = Substring.slice (after, 4, NONE)
adam@1493 217 val (befor, after) = Substring.position "</body>" after
adam@1493 218 in
adam@1493 219 if Substring.isEmpty after then
adam@1493 220 print ("Bad output for " ^ fname ^ "! [2]\n")
adam@1493 221 else
adam@1493 222 let
adam@1493 223 val outf = TextIO.openOut "/tmp/final.ur"
adam@1493 224
adam@1493 225 fun eatNls source =
adam@1493 226 let
adam@1493 227 val (befor, after) = Substring.position "(*NL*)" source
adam@1493 228 in
adam@1493 229 if Substring.isEmpty after then
adam@1493 230 TextIO.outputSubstr (outf, source)
adam@1493 231 else
adam@1493 232 (TextIO.outputSubstr (outf, befor);
adam@1493 233 eatNls (Substring.slice (after, 6, NONE)))
adam@1493 234 end
adam@1493 235
adam@1493 236 val cmd = "emacs --eval \"(progn "
adam@1493 237 ^ "(global-font-lock-mode t) "
adam@1493 238 ^ "(add-to-list 'load-path \\\""
adam@1493 239 ^ Config.sitelisp
adam@1493 240 ^ "/\\\") "
adam@1493 241 ^ "(load \\\"urweb-mode-startup\\\") "
adam@1493 242 ^ "(urweb-mode) "
adam@1493 243 ^ "(find-file \\\"/tmp/final.ur\\\") "
adam@1493 244 ^ "(switch-to-buffer (htmlize-buffer)) "
adam@1494 245 ^ "(write-file \\\"/tmp/final.html\\\") "
adam@1493 246 ^ "(kill-emacs))\""
adam@1493 247 in
adam@1493 248 eatNls befor;
adam@1493 249 TextIO.closeOut outf;
adam@1494 250 ignore (OS.Process.system cmd);
adam@1494 251 fixupFile (fname, title)
adam@1493 252 end
adam@1493 253 end
adam@1493 254 end
adam@1493 255 else
adam@1493 256 ()
adam@1493 257 end
adam@1493 258
adam@1493 259 fun make dirname =
adam@1493 260 let
adam@1493 261 val dir = OS.FileSys.openDir dirname
adam@1493 262
adam@1493 263 fun doDir () =
adam@1493 264 case OS.FileSys.readDir dir of
adam@1493 265 NONE => OS.FileSys.closeDir dir
adam@1493 266 | SOME fname =>
adam@1493 267 (if OS.Path.ext fname = SOME "ur" then
adam@1493 268 doUr (OS.Path.joinDirFile {dir = dirname, file = fname})
adam@1493 269 else
adam@1493 270 ();
adam@1493 271 doDir ())
adam@1493 272 in
adam@1493 273 Settings.setProtocol "static";
adam@1493 274 doDir ()
adam@1493 275 end
adam@1493 276
adam@1493 277 end