Examples with XPathLexer org.antlr.v4.runtime.tree.xpath.XPathLexer used on opensource projects

Example 6 with XPathLexer

use of org.antlr.v4.runtime.tree.xpath.XPathLexer in project JsoupXpath by zhegexiaohuozi.

the class ExprTest method exp.

@Test
public void exp() {
    // CharStream input = CharStreams.fromString("//ul[@class='subject-list']/li[./div/div/span[@class='pl']/num()>10000]/div[@class='info']/h2/allText()");
    // CharStream input = CharStreams.fromString("//ul[@class='subject-list']/li[contains(self::li/div/div/span[@class='pl']//text(),'14582')]/div/h2//text()");
    CharStream input = CharStreams.fromString("//ul[@class='subject-list']/li[contains(./div/div/span[@class='pl']//text(),'14582')]/div/h2//text()");
    // CharStream input = CharStreams.fromString("//*[@id=\"subject_list\"]/ul/li[2]/div[2]/h2/a//text()");
    // CharStream input = CharStreams.fromString("//*[contains(@id,\"subject_\")]/ul/li[2]/div[2]/h2/a//text()");
    // CharStream input = CharStreams.fromString("//*[contains(@id,\"subject_\")]/ul/li[2]/div[2]/h2/a//text()");
    XpathLexer lexer = new XpathLexer(input);
    CommonTokenStream tokens = new CommonTokenStream(lexer);
    XpathParser parser = new XpathParser(tokens);
    parser.setErrorHandler(new DoFailOnErrorHandler());
    ParseTree tree = parser.main();
    XpathProcessor processor = new XpathProcessor(root);
    XValue value = processor.visit(tree);
    logger.info("visit res = {}", value);
}

Example 7 with XPathLexer

use of org.antlr.v4.runtime.tree.xpath.XPathLexer in project antlr4 by tunnelvisionlabs.

the class TestTokenStream method testBufferedTokenStreamReuseAfterFill.

/**
 * This is a targeted regression test for antlr/antlr4#1584 ({@link BufferedTokenStream} cannot be reused after EOF).
 */
@Test
public void testBufferedTokenStreamReuseAfterFill() {
    CharStream firstInput = CharStreams.fromString("A");
    BufferedTokenStream tokenStream = new BufferedTokenStream(new XPathLexer(firstInput));
    tokenStream.fill();
    Assert.assertEquals(2, tokenStream.size());
    Assert.assertEquals(XPathLexer.TOKEN_REF, tokenStream.get(0).getType());
    Assert.assertEquals(Token.EOF, tokenStream.get(1).getType());
    CharStream secondInput = CharStreams.fromString("A/");
    tokenStream.setTokenSource(new XPathLexer(secondInput));
    tokenStream.fill();
    Assert.assertEquals(3, tokenStream.size());
    Assert.assertEquals(XPathLexer.TOKEN_REF, tokenStream.get(0).getType());
    Assert.assertEquals(XPathLexer.ROOT, tokenStream.get(1).getType());
    Assert.assertEquals(Token.EOF, tokenStream.get(2).getType());
}