content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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
   *
   *     https://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.
   */
  package org.apache.avro.io;
  
  import java.io.IOException;
  
  import org.apache.avro.io.parsing.SkipParser;
  import org.apache.avro.io.parsing.Symbol;
  import org.apache.avro.io.parsing.Parser.ActionHandler;
  import org.apache.avro.io.parsing.SkipParser.SkipHandler;
  
  /**
   * Base class for <a href="parsing/package-summary.html">parser</a>-based
   * {@link Decoder}s.
   */
  public abstract class ParsingDecoder extends Decoder implements ActionHandler, SkipHandler {
    protected final SkipParser parser;
  
    protected ParsingDecoder(Symbol root) throws IOException {
      this.parser = new SkipParser(root, this, this);
    }
  
    protected abstract void skipFixed() throws IOException;
  
    @Override
    public void skipAction() throws IOException {
      parser.popSymbol();
    }
  
    @Override
    public void skipTopSymbol() throws IOException {
      Symbol top = parser.topSymbol();
      if (top == Symbol.NULL) {
        readNull();
      } else if (top == Symbol.BOOLEAN) {
        readBoolean();
      } else if (top == Symbol.INT) {
        readInt();
      } else if (top == Symbol.LONG) {
        readLong();
      } else if (top == Symbol.FLOAT) {
        readFloat();
      } else if (top == Symbol.DOUBLE) {
        readDouble();
      } else if (top == Symbol.STRING) {
        skipString();
      } else if (top == Symbol.BYTES) {
        skipBytes();
      } else if (top == Symbol.ENUM) {
        readEnum();
      } else if (top == Symbol.FIXED) {
        skipFixed();
      } else if (top == Symbol.UNION) {
        readIndex();
      } else if (top == Symbol.ARRAY_START) {
        skipArray();
      } else if (top == Symbol.MAP_START) {
        skipMap();
      }
    }
  
  }
  