org.icroco.chat.parser.PrintSmartRfq.java Source code

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Here is the source code for org.icroco.chat.parser.PrintSmartRfq.java

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package org.icroco.chat.parser;/*
                               * Copyright 2015 the original author or authors.
                               *
                               * 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.
                               */

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

public class PrintSmartRfq {

    public void parseSmartRfq(String smartRfq) {
        SmartRfqLexer lexer = new SmartRfqLexer(new ANTLRInputStream(smartRfq));
        lexer.removeErrorListeners();
        final SyntaxErrorListener syntaxErrorListener = new SyntaxErrorListener();
        lexer.addErrorListener(syntaxErrorListener);
        // Get a list of matched tokens
        CommonTokenStream tokens = new CommonTokenStream(lexer);

        // Pass the tokens to the parser
        SmartRfqParser parser = new SmartRfqParser(tokens);
        parser.removeErrorListeners();
        parser.addErrorListener(syntaxErrorListener);

        // Specify our entry point
        final SmartRfqParser.SmartrfqContext smartrfq = parser.smartrfq();
        System.out.println("Errors Nb: " + parser.getNumberOfSyntaxErrors());
        System.out.println(syntaxErrorListener.toString());
        System.out.println("Tokens: " + tokens.getTokens());
        System.out.println("instr: " + smartrfq.instrument().getText());
        System.out.println("---");
    }

    public static void main(String[] args) {
        final PrintSmartRfq printSmartRfq = new PrintSmartRfq();
        printSmartRfq.parseSmartRfq("+200k 'fgfgf' 12may2018 E C");
        printSmartRfq.parseSmartRfq("300k 'fgfgf' 12may2018 E C");
        printSmartRfq.parseSmartRfq("+300k 'fgfgf 12may2018 E C");
    }
}