App.java Source code

Introduction

Here is the source code for App.java

Source

/*
 * Copyright  2017 Cask Data, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 */

/**
 * Created by gaoyue on 17/1/27.
 */

import org.antlr.v4.runtime.ANTLRInputStream;
import org.antlr.v4.runtime.CommonTokenStream;
import org.antlr.v4.runtime.tree.ParseTree;

public class App {
    public static void main(String[] args) {
        try {
            //      ANTLRInputStream input = new ANTLRInputStream("doc(doc)/PERSONAE");
            ANTLRInputStream input = new ANTLRInputStream("doc(doc)/PERSONAE/TITLE");

            xPathLexer lexer = new xPathLexer(input);
            CommonTokenStream tokens = new CommonTokenStream(lexer);

            xPathParser parser = new xPathParser(tokens);
            parser.removeErrorListeners();
            ParseTree tree = parser.ap();
            EvalXpath evalpath = new EvalXpath();
            evalpath.visit(tree);

        } catch (Exception e) {
            e.printStackTrace();
            System.err.println("Error: " + e.getMessage());
        }
    }
}