/*

  * Copyright (C) 1998-2000 Semiotek Inc.  All Rights Reserved.

  *

  * Redistribution and use in source and binary forms, with or without

  * modification, are permitted under the terms of either of the following

  * Open Source licenses:

  *

  * The GNU General Public License, version 2, or any later version, as

  * published by the Free Software Foundation

  * (http://www.fsf.org/copyleft/gpl.html);

  *

  *  or

  *

  * The Semiotek Public License (http://webmacro.org/LICENSE.)

  *

  * This software is provided "as is", with NO WARRANTY, not even the

  * implied warranties of fitness to purpose, or merchantability. You

  * assume all risks and liabilities associated with its use.

  *

  * See www.webmacro.org for more information on the WebMacro project.

  */

 package org.webmacro.parser;

 import java.io.IOException;

 import java.io.Reader;

 import org.slf4j.Logger;

 import org.slf4j.LoggerFactory;

 import org.webmacro.Broker;

 import org.webmacro.engine.BlockBuilder;

 import org.webmacro.engine.Parser;

 /**

  * @author Brian Goetz

  */

 public class WMParser implements Parser

 {

     static Logger _log =  LoggerFactory.getLogger(WMParser.class);

     private final Broker _broker;

     public WMParser (Broker b)

     {

         _broker = b;

         _log.info("parser created");

     }

     // Parser Interface

     /**

      * Return a short name that identifies this parser. This name could,

      * for example, be used as the extension for files which contain

      * syntax parsable by this parser.

      */

     public final String getParserName ()

     {

         return "wm";

     }

     /**

      * Parse a block that appears on the supplied input Reader. The

      * name supplied is used in error messages to identify the source

      * being parsed.

      */

     public BlockBuilder parseBlock (String name, Reader in)

             throws org.webmacro.engine.ParseException, IOException

     {

         BlockBuilder bb;

         WMParser_impl parser = null;

         try

         {

             parser = new WMParser_impl(_broker, name, in);

             try

             {

                 bb = parser.WMDocument();

             }

             catch (TokenMgrError e)

             {

                 throw new ParseException("Lexical error: " + e.toString());

             }

         }

         catch (ParseException e)

         {

             throw new org.webmacro.engine.ParseException("Parser Exception", e);

         }

         catch (ParserRuntimeException e)

         {

             throw new org.webmacro.engine.ParseException("Parse Exception", e);

         }

         return bb;

     }

 }