- MySQL mode added to the interpreter

[helm.git] / helm / hxp / hxpLexer.mll

diff --git a/helm/hxp/hxpLexer.mll b/helm/hxp/hxpLexer.mll
new file mode 100644 (file)
index 0000000..fbec4ac
--- /dev/null
+++ b/helm/hxp/hxpLexer.mll
@@ -0,0 +1,56 @@
+(* Copyright (C) 2000, HELM Team.
+ * 
+ * This file is part of HELM, an Hypertextual, Electronic
+ * Library of Mathematics, developed at the Computer Science
+ * Department, University of Bologna, Italy.
+ * 
+ * HELM is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ * 
+ * HELM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with HELM; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA  02111-1307, USA.
+ * 
+ * For details, see the HELM World-Wide-Web page,
+ * http://www.cs.unibo.it/helm/.
+ *)
+
+(*  AUTOR: Ferruccio Guidi <fguidi@cs.unibo.it>
+ *)
+
+{ 
+   open HxpParser
+}
+
+let SPC   = [' ' '\t' '\n' '\r' '?' '!']+
+let ALPHA = ['A'-'Z' 'a'-'z']+
+let STR   = '"'[^'"']*'"' 
+let NUM   = ['0'-'9' '.']+
+let BEF   = [^ '=' '0'-'9' '.' ':' '*']*
+
+rule xml_token = parse
+   | SPC       { xml_token lexbuf }
+   | '<'       { OPEN }
+   | '>'       { CLOSE }
+   | '='       { EQ }
+   | '/'       { SL }
+   | ALPHA     { NAME (Lexing.lexeme lexbuf) }
+   | STR       { VAL (Lexing.lexeme lexbuf) }
+   | eof       { DONE }
+   
+and time_token = parse
+   | BEF       { time_token lexbuf }
+   | NUM       { DATA (float_of_string (Lexing.lexeme lexbuf)) }
+   | '='       { EQ }
+   | ':'       { CLN }
+   | _         { DONE }
+   | eof       { DONE }
+