Package org.openjena.riot.tokens

Examples of org.openjena.riot.tokens.Token

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        private void directives()
        {
            while ( lookingAt(TokenType.KEYWORD) )
            {
                Token t = nextToken() ;
                if ( t.getImage().equalsIgnoreCase("VARS") )
                {
                    directiveVars() ;
                    continue ;
                }
                if ( t.getImage().equalsIgnoreCase("PREFIX") )
                {
                    directivePrefix() ;
                    continue ;
                }
            }
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                if ( i >= vars.size() )
                    exception(peekToken(), "Too many items in a line.  Expected "+vars.size()) ;
               
                Var v = vars.get(i) ;
               
                Token token = nextToken() ;
                if ( ! token.hasType(TokenType.MINUS ) )
                {
                    Node n ;
                    // One case; VARS line then *
                    if ( token.hasType(TokenType.STAR ) || ( token.isCtlCode() && token.getCntrlCode() == -1 ) )
                        n = lastLine.get(v) ;
                    else if ( token.hasType(TokenType.BNODE) )
                        n = Node.createAnon(new AnonId(NodeFmtLib.decodeBNodeLabel(token.getImage()))) ;
                    else
                        n = profile.create(null, token) ;
                    binding.add(v, n) ;
                }
                i++ ;
            }
            if ( eof() )
                exception(peekToken(), "Line does not end with a DOT") ;
           
            Token dot = nextToken() ;
           
            if ( i != vars.size() )
            {
                Var v = vars.get(vars.size()-1) ;
                exception(dot, "Too many items in a line.  Expected "+vars.size()) ;
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        private void directiveVars()
        {
            vars.clear() ;
            while (! eof() && ! lookingAt(DOT) )
            {
                Token t = nextToken() ;
                if ( ! t.hasType(TokenType.VAR) )
                    exception(t, "VARS requires a list of variables (found '"+t+"')") ;
                Var v = Var.alloc(t.getImage()) ;
                vars.add(v) ;
            }
            nextToken() ;   // DOT
        }
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    public static Node parse(String string)
    {
        Tokenizer tokenizer = TokenizerFactory.makeTokenizerString(string) ;
        if ( ! tokenizer.hasNext() )
            return null ;
        Token t = tokenizer.next();
        Node n = profile.create(null, t) ;
        if ( tokenizer.hasNext() )
            Log.warn(RiotLib.class, "String has more than one token in it: "+string) ;
        return n ;
    }
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    protected final void oneNamedGraphBlock()
    {
        // Directives are only between graphs.
        Node graphNode = Quad.tripleInQuad ;
        Token token = peekToken() ;

        // <foo> = { ... } .
        if ( token.isNode() )
        {
            Token t = token ;   // Keep for error message.
            graphNode = node() ;
            nextToken() ;
            token = peekToken() ;

            if ( graphNode.isURI() )
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    @Override
    protected final void runParser()
    {
        while(moreTokens())
        {
            Token t = peekToken() ;
            if ( lookingAt(DIRECTIVE) )
            {
                directive() ;
                continue ;
            }
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    protected abstract void emit(Node subject, Node predicate, Node object) ;

    protected final void directive()
    {
        // It's a directive ...
        Token t = peekToken() ;
        String x = t.getImage() ;
        nextToken() ;
       
        if ( x.equals("base") )
        {
            directiveBase() ;
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    static protected final Node nodeLogImplies = Node.createURI("http://www.w3.org/2000/10/swap/log#implies") ;
   
    /** Get predicate - maybe null for "illegal" */
    protected final Node predicate()
    {
        Token t = peekToken() ;
       
        if ( t.hasType(TokenType.KEYWORD) )
        {
            Token tErr = peekToken() ;
            String image = peekToken().getImage() ;
            if ( image.equals(KW_A) )
                return NodeConst.nodeRDFType ;
            if ( !strict && image.equals(KW_SAME_AS) )
                return nodeSameAs ;
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        }

        // Special words.
        if ( lookingAt(TokenType.KEYWORD) )
        {
            Token tErr = peekToken() ;
            // Location independent node words
            String image = peekToken().getImage() ;
            nextToken() ;
            if ( image.equals(KW_TRUE) )
                return NodeConst.nodeTrue ;
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        startList() ;
       
        for ( ;; )
        {
            Token errorToken = peekToken() ;
            if ( eof() )
                exception (peekToken(), "Unterminated list") ;
           
            if ( lookingAt(RPAREN) )
            {
View Full Code Here
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Related Classes of org.openjena.riot.tokens.Token

  • com.hp.hpl.jena.datatypes.RDFDatatype
  • com.hp.hpl.jena.graph.Node
  • com.hp.hpl.jena.rdf.model.AnonId
  • com.hp.hpl.jena.sparql.engine.binding.BindingInputStream$IteratorTuples
  • com.hp.hpl.jena.sparql.util.NodeFactory
  • com.hp.hpl.jena.tdb.nodetable.NodecSSE
  • org.apache.jena.tdbloader4.FirstReducer
  • org.apache.jena.tdbloader4.SecondReducer
  • org.openjena.atlas.io.PeekReader
  • org.openjena.atlas.json.io.parser.ParserBase
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