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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";
app doFile (CommandLine.arguments ());
print "\t[]\n";
print "end\n"
end
val () = main ()
|
