Mercurial > urweb
view xml/parse.sml @ 1778:818d4097e2ed
Lighter-weight encoding of window function use
author | Adam Chlipala <adam@chlipala.net> |
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date | Sun, 03 Jun 2012 11:29:31 -0400 |
parents | 7e2655b25ea1 |
children | 686fa4e7f397 |
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(* Copyright (c) 2011, 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. *) (* Building SML code from XML entity tables *) fun main () = let fun doFile fname = let val inf = TextIO.openIn fname fun loop () = case TextIO.inputLine inf of NONE => TextIO.closeIn inf | SOME line => if String.isPrefix "<!ENTITY " line then case String.tokens (fn ch => Char.isSpace ch orelse ch = #">") line of "<!ENTITY" :: ent :: exp :: _ => let val exp = if String.isPrefix "\"&#" exp andalso String.isSuffix ";\"" exp then let val middle = String.substring (exp, 3, size exp - 5) in if CharVector.all Char.isDigit middle then middle else if String.isPrefix "38;#" middle then String.extract (middle, 4, NONE) else raise Fail "Bad entity expression [1]" end else raise Fail "Bad entity expansion [2]" in print ("\t\t(\"" ^ ent ^ "\", " ^ exp ^ ") ::\n"); loop () end | _ => raise Fail "Bad ENTITY line" else loop () in loop () end in print "structure Entities = struct\n"; print "\tval all =\n"; doFile "xml/xhtml-lat1.ent"; doFile "xml/xhtml-special.ent"; doFile "xml/xhtml-symbol.ent"; print "\t[]\n"; print "end\n" end val () = main ()