org.apache.jena.riot.tokens.TokenType Java Examples

The following examples show how to use org.apache.jena.riot.tokens.TokenType. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example #1
Source File: TokenizerText.java    From RDFstarTools with Apache License 2.0 6 votes vote down vote up
private void readPrefixedNameOrKeyword(Token token) {
    long posn = reader.getPosition();
    String prefixPart = readPrefixPart(); // Prefix part or keyword
    token.setImage(prefixPart);
    token.setType(TokenType.KEYWORD);
    int ch = reader.peekChar();
    if ( ch == CH_COLON ) {
        reader.readChar();
        token.setType(TokenType.PREFIXED_NAME);
        String ln = readLocalPart(); // Local part
        token.setImage2(ln);
        if ( Checking )
            checkPrefixedName(token.getImage(), token.getImage2());
    }

    // If we made no progress, nothing found, not even a keyword -- it's an
    // error.
    if ( posn == reader.getPosition() )
        error("Failed to find a prefix name or keyword: %c(%d;0x%04X)", ch, ch, ch);

    if ( Checking )
        checkKeyword(token.getImage());

}
 
Example #2
Source File: RdflintParserTurtle.java    From rdflint with MIT License 6 votes vote down vote up
@Override
public Node create(Node currentGraph, Token token) {
  int line = (int) token.getLine();
  int col = (int) token.getColumn();
  String str = token.getImage();
  validationModels.forEach(m -> {
    Node node = null;
    int length = 0;
    if (token.getType() == TokenType.PREFIXED_NAME) {
      String prefix = str;
      String suffix = token.getImage2();
      String expansion = expandPrefixedName(prefix, suffix);
      node = createURI(expansion, line, col);
      length = str.length() + suffix.length();
    } else if (token.getType() == TokenType.IRI) {
      node = createURI(str, line, col);
      length = str.length();
    }
    if (node != null) {
      List<LintProblem> diagnostic = m
          .validateNode(node, line, col, line, col + length);
      diagnosticList.addAll(diagnostic);
    }
  });
  return super.create(currentGraph, token);
}
 
Example #3
Source File: TokenizerTextTest.java    From RDFstarTools with Apache License 2.0 5 votes vote down vote up
@Test
public void embeddedTripleOK() {
	final Token token = getToken( "<<:s :p :o>>" );

	confirmEmbeddedTripleToken(token);

	final Token tokenS = EmbeddedTripleTokenUtils.getSubjectSubToken(token);
	final Token tokenP = EmbeddedTripleTokenUtils.getPredicateSubToken(token);
	final Token tokenO = EmbeddedTripleTokenUtils.getObjectSubToken(token);

	assertEquals(TokenType.PREFIXED_NAME, tokenS.getType());
	assertEquals(TokenType.PREFIXED_NAME, tokenP.getType());
	assertEquals(TokenType.PREFIXED_NAME, tokenO.getType());
}
 
Example #4
Source File: TokenizerTextTest.java    From RDFstarTools with Apache License 2.0 5 votes vote down vote up
@Test
public void nesting1() {
	final Token token = getToken( "<< <<:s :p :o>> :p2 :o2>>" );

	confirmEmbeddedTripleToken(token);

	final Token tokenS = EmbeddedTripleTokenUtils.getSubjectSubToken(token);
	final Token tokenP = EmbeddedTripleTokenUtils.getPredicateSubToken(token);
	final Token tokenO = EmbeddedTripleTokenUtils.getObjectSubToken(token);

	confirmEmbeddedTripleToken(tokenS);
	assertEquals(TokenType.PREFIXED_NAME, tokenP.getType());
	assertEquals(TokenType.PREFIXED_NAME, tokenO.getType());
}
 
Example #5
Source File: TokenizerTextTest.java    From RDFstarTools with Apache License 2.0 5 votes vote down vote up
@Test
public void nesting2() {
	final Token token = getToken( "<<<<:s :p :o>> :p2 :o2>>" );

	confirmEmbeddedTripleToken(token);

	final Token tokenS = EmbeddedTripleTokenUtils.getSubjectSubToken(token);
	final Token tokenP = EmbeddedTripleTokenUtils.getPredicateSubToken(token);
	final Token tokenO = EmbeddedTripleTokenUtils.getObjectSubToken(token);

	confirmEmbeddedTripleToken(tokenS);
	assertEquals(TokenType.PREFIXED_NAME, tokenP.getType());
	assertEquals(TokenType.PREFIXED_NAME, tokenO.getType());
}
 
Example #6
Source File: TokenizerTextTest.java    From RDFstarTools with Apache License 2.0 5 votes vote down vote up
@Test
public void nesting3() {
	final Token token = getToken( "<< :s2 :p2 <<:s :p :o>> >>" );

	confirmEmbeddedTripleToken(token);

	final Token tokenS = EmbeddedTripleTokenUtils.getSubjectSubToken(token);
	final Token tokenP = EmbeddedTripleTokenUtils.getPredicateSubToken(token);
	final Token tokenO = EmbeddedTripleTokenUtils.getObjectSubToken(token);

	assertEquals(TokenType.PREFIXED_NAME, tokenS.getType());
	assertEquals(TokenType.PREFIXED_NAME, tokenP.getType());
	confirmEmbeddedTripleToken(tokenO);
}
 
Example #7
Source File: TokenizerTextTest.java    From RDFstarTools with Apache License 2.0 5 votes vote down vote up
@Test
public void nesting4() {
	final Token token = getToken( "<< :s2 :p2 <<:s :p :o>>>>" );

	confirmEmbeddedTripleToken(token);

	final Token tokenS = EmbeddedTripleTokenUtils.getSubjectSubToken(token);
	final Token tokenP = EmbeddedTripleTokenUtils.getPredicateSubToken(token);
	final Token tokenO = EmbeddedTripleTokenUtils.getObjectSubToken(token);

	assertEquals(TokenType.PREFIXED_NAME, tokenS.getType());
	assertEquals(TokenType.PREFIXED_NAME, tokenP.getType());
	confirmEmbeddedTripleToken(tokenO);
}
 
Example #8
Source File: TokenizerTextTest.java    From RDFstarTools with Apache License 2.0 5 votes vote down vote up
@Test
public void nesting5() {
	final Token token = getToken( "<<<<:s :p :o>> :p2 <<:s :p :o>>>>" );

	confirmEmbeddedTripleToken(token);

	final Token tokenS = EmbeddedTripleTokenUtils.getSubjectSubToken(token);
	final Token tokenP = EmbeddedTripleTokenUtils.getPredicateSubToken(token);
	final Token tokenO = EmbeddedTripleTokenUtils.getObjectSubToken(token);

	confirmEmbeddedTripleToken(tokenS);
	assertEquals(TokenType.PREFIXED_NAME, tokenP.getType());
	confirmEmbeddedTripleToken(tokenO);
}
 
Example #9
Source File: TokenizerText.java    From RDFstarTools with Apache License 2.0 4 votes vote down vote up
private void readNumber() {
        // One entry, definitely a number.
        // Beware of '.' as a (non) decimal.
        /*
        maybeSign()
        digits()
        if dot ==> decimal, digits
        if e   ==> double, maybeSign, digits
        else
            check not "." for decimal.
        */
        boolean isDouble = false;
        boolean isDecimal = false;
        stringBuilder.setLength(0);
        
        /*
        readPossibleSign(stringBuilder);
        readDigits may be hex
        readDot
        readDigits
        readExponent.
        */
        
        int x = 0; // Digits before a dot.
        int ch = reader.peekChar();
        if ( ch == '0' ) {
            x++;
            reader.readChar();
            stringBuilder.append((char)ch);
            ch = reader.peekChar();
            if ( ch == 'x' || ch == 'X' ) {
                reader.readChar();
                stringBuilder.append((char)ch);
                readHex(reader, stringBuilder);
                token.setImage(stringBuilder.toString());
                token.setType(TokenType.HEX);
                return;
            }
        } else if ( ch == '-' || ch == '+' ) {
            readPossibleSign(stringBuilder);
        }

        x += readDigits(stringBuilder);
//        if ( x == 0 ) {}
        ch = reader.peekChar();
        if ( ch == CH_DOT ) {
            reader.readChar();
            stringBuilder.append(CH_DOT);
            isDecimal = true; // Includes things that will be doubles.
            readDigits(stringBuilder);
        }

        if ( x == 0 && !isDecimal )
            // Possible a tokenizer error - should not have entered readNumber
            // in the first place.
            error("Unrecognized as number");

        if ( exponent(stringBuilder) ) {
            isDouble = true;
            isDecimal = false;
        }

        // Final part - "decimal" 123. is an integer 123 and a DOT.
        if ( isDecimal ) {
            int len = stringBuilder.length();
            if ( stringBuilder.charAt(len - 1) == CH_DOT ) {
                stringBuilder.setLength(len - 1);
                reader.pushbackChar(CH_DOT);
                isDecimal = false;
            }
        }

        token.setImage(stringBuilder.toString());
        if ( isDouble )
            token.setType(TokenType.DOUBLE);
        else if ( isDecimal )
            token.setType(TokenType.DECIMAL);
        else
            token.setType(TokenType.INTEGER);
    }
 
Example #10
Source File: RDFPatchReaderText.java    From rdf-delta with Apache License 2.0 4 votes vote down vote up
private static void skip(Tokenizer tokenizer, TokenType tokenType ) {
    Token tok = tokenizer.next();
    if ( ! tok.hasType(tokenType) )
        throw exception(tok, "Expected token type: "+tokenType+": got "+tok);
}