Examples with XpathParser cn.wanghaomiao.xpath.antlr.XpathParser used on opensource projects

Example 1 with XpathParser

use of cn.wanghaomiao.xpath.antlr.XpathParser in project JsoupXpath by zhegexiaohuozi.

the class JXDocument method selN.

public List<JXNode> selN(String xpath) throws XpathSyntaxErrorException {
    List<JXNode> finalRes = new LinkedList<>();
    try {
        CharStream input = CharStreams.fromString(xpath);
        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(elements);
        XValue calRes = processor.visit(tree);
        if (calRes.isElements()) {
            for (Element el : calRes.asElements()) {
                finalRes.add(JXNode.e(el));
            }
        } else if (calRes.isList()) {
            for (String str : calRes.asList()) {
                finalRes.add(JXNode.t(str));
            }
        }
    } catch (Exception e) {
        String msg = "Please check the syntax of your xpath expr, ";
        throw new XpathSyntaxErrorException(msg + ExceptionUtils.getRootCauseMessage(e), e);
    }
    return finalRes;
}

Example 2 with XpathParser

use of cn.wanghaomiao.xpath.antlr.XpathParser 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);
}