/*
 * (c) Copyright 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 * [See end of file]
 */

package tdb;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.InputStream;
import java.io.Reader;

import atlas.io.PeekReader;

import com.hp.hpl.jena.n3.turtle.TurtleParseException;
import com.hp.hpl.jena.n3.turtle.parser.ParseException;
import com.hp.hpl.jena.n3.turtle.parser.TokenMgrError;
import com.hp.hpl.jena.n3.turtle.parser.TurtleParser;
import com.hp.hpl.jena.riot.Checker;
import com.hp.hpl.jena.riot.lang.LangTurtle;
import com.hp.hpl.jena.riot.out.SinkTripleOutput;
import com.hp.hpl.jena.riot.tokens.Tokenizer;
import com.hp.hpl.jena.riot.tokens.TokenizerText;
import com.hp.hpl.jena.shared.JenaException;
import com.hp.hpl.jena.util.FileUtils;

public class turtle
{
        /** Run the Turtle parser - produce N-triples */
        public static void main(String... args)
        {
            if ( args.length == 0 )
            {
                parse("http://example/BASE", System.in) ;
                return ;
            }
            
            for ( int i = 0 ; i < args.length ; i++ )
            {
                String fn = args[i] ;
                parse("http://base/", fn) ;
            }
        }        

        public static void parse(String baseURI, String filename)
        {
            InputStream in = null ;
            try {
                in = new FileInputStream(filename) ;
            } catch (FileNotFoundException ex)
            {
                System.err.println("File not found: "+filename) ;
                return ;
            }
            parse(baseURI, in) ;
        }

        public static void parse(String baseURI, InputStream in)
        {   
            parseRIOT(baseURI, in) ;
        }
        
        public static void parseRIOT(String baseURI, InputStream in)
        {
            Reader r = FileUtils.asUTF8(in) ;
            PeekReader peekReader = PeekReader.make(r) ;
            
            SinkTripleOutput sink = new SinkTripleOutput(System.out) ; 
            Tokenizer tokenizer = new TokenizerText(peekReader) ;
            LangTurtle parser = new LangTurtle(baseURI, tokenizer, sink) ;
            
            // Don't do prefixing - it's N-triples.
            //sink.setPrologue(parser.getPrologue()) ;
            
            Checker checker = new Checker(null) ;
            parser.setChecker(checker) ;
            parser.parse();
            sink.close() ;
        }
        
        public static void parseJavaCC(String baseURI, InputStream in)
        {
            Reader reader = FileUtils.asUTF8(in) ;
            try {
                TurtleParser parser = new TurtleParser(reader) ;
                //parser.setEventHandler(new TurtleEventDump()) ;
                //parser.setEventHandler(new Turtle2NTriples(System.out)) ;
                parser.setBaseURI(baseURI) ;
                parser.parse() ;
            }
            catch (ParseException ex)
            { throw new TurtleParseException(ex.getMessage()) ; }
            catch (TokenMgrError tErr)
            { throw new TurtleParseException(tErr.getMessage()) ; }

            catch (TurtleParseException ex) { throw ex ; }

            catch (JenaException ex)  { throw new TurtleParseException(ex.getMessage(), ex) ; }
            catch (Error err)
            {
                throw new TurtleParseException(err.getMessage() , err) ;
            }
            catch (Throwable th)
            {
                throw new TurtleParseException(th.getMessage(), th) ;
            }
        }
}

/*
 * (c) Copyright 2009 Hewlett-Packard Development Company, LP
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
 */