JDK14/Java14源码在线阅读

/*
 * Copyright (c) 2017, Oracle and/or its affiliates. All rights reserved.
 */
/*
 * 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
 *
 *      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.
 */

package com.sun.org.apache.xml.internal.dtm.ref;

import org.xml.sax.ContentHandler;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;

/** <p>CoroutineParser is an API for parser threads that operate as
 * coroutines. See CoroutineSAXParser and CoroutineSAXParser_Xerces
 * for examples.</p>
 *
 * <p>&lt;grumble&gt; I'd like the interface to require a specific form
 * for either the base constructor or a static factory method. Java
 * doesn't allow us to specify either, so I'll just document them
 * here:
 *
 * <ul>
 * <li>public CoroutineParser(CoroutineManager co, int appCoroutine);</li>
 * <li>public CoroutineParser createCoroutineParser(CoroutineManager co, int appCoroutine);</li>
 * </ul>
 *
 * &lt;/grumble&gt;</p>
 *
 * @deprecated Since the ability to start a parse via the
 * coroutine protocol was not being used and was complicating design.
 * See {@link IncrementalSAXSource}.
 * */
@Deprecated
public interface CoroutineParser {

    /** @return the coroutine ID number for this CoroutineParser object.
     * Note that this isn't useful unless you know which CoroutineManager
     * you're talking to. Also note that the do...() methods encapsulate
     * the common transactions with the CoroutineParser, so you shouldn't
     * need this in most cases.
     * */
    public int getParserCoroutineID();

    /** @return the CoroutineManager for this CoroutineParser object.
     * If you're using the do...() methods, applications should only
     * need to talk to the CoroutineManager once, to obtain the
     * application's Coroutine ID.
     * */
    public CoroutineManager getCoroutineManager();

  /** Register a SAX-style content handler for us to output to */
  public void setContentHandler(ContentHandler handler);

  /**  Register a SAX-style lexical handler for us to output to
   *  Not all parsers support this...
   *
   * %REVIEW% Not called setLexicalHandler because Xalan uses that name
   * internally, which causes subclassing nuisances.
   */
  public void setLexHandler(org.xml.sax.ext.LexicalHandler handler);

  /* The run() method is required in CoroutineParsers that run as
   * threads (of course)... but it isn't part of our API, and
   * shouldn't be declared here.
   * */

  //================================================================
  /** doParse() is a simple API which tells the coroutine parser
   * to begin reading from a file.  This is intended to be called from one
   * of our partner coroutines, and serves both to encapsulate the
   * communication protocol and to avoid having to explicitly use the
   * CoroutineParser's coroutine ID number.
   *
   * %REVIEW% Can/should this unify with doMore? (if URI hasn't changed,
   * parse more from same file, else end and restart parsing...?
   *
   * @param source The InputSource to parse from.
   * @param appCoroutine The coroutine ID number of the coroutine invoking
   * this method, so it can be resumed after the parser has responded to the
   * request.
   * @return Boolean.TRUE if the CoroutineParser believes more data may be available
   * for further parsing. Boolean.FALSE if parsing ran to completion.
   * Exception if the parser objected for some reason.
   * */
  public Object doParse(InputSource source, int appCoroutine);

  /** doMore() is a simple API which tells the coroutine parser
   * that we need more nodes.  This is intended to be called from one
   * of our partner coroutines, and serves both to encapsulate the
   * communication protocol and to avoid having to explicitly use the
   * CoroutineParser's coroutine ID number.
   *
   * @param parsemore If true, tells the incremental parser to generate
   * another chunk of output. If false, tells the parser that we're
   * satisfied and it can terminate parsing of this document.
   * @param appCoroutine The coroutine ID number of the coroutine invoking
   * this method, so it can be resumed after the parser has responded to the
   * request.
   * @return Boolean.TRUE if the CoroutineParser believes more data may be available
   * for further parsing. Boolean.FALSE if parsing ran to completion.
   * Exception if the parser objected for some reason.
   * */
  public Object doMore (boolean parsemore, int appCoroutine);

  /** doTerminate() is a simple API which tells the coroutine
   * parser to terminate itself.  This is intended to be called from
   * one of our partner coroutines, and serves both to encapsulate the
   * communication protocol and to avoid having to explicitly use the
   * CoroutineParser's coroutine ID number.
   *

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