1   /* Copyright 2002-2025 CS GROUP
2    * Licensed to CS GROUP (CS) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * CS licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *   http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.orekit.files.ccsds.utils.lexical;
18  
19  /** Interface for CCSDS messages lexical analysis.
20   * <p>
21   * Lexical analyzer implementations split raw streams
22   * of characters into tokens and feed them to
23   * {@link MessageParser message parsers}. Each
24   * lexical analyzer knows about a basic character
25   * stream format ({@link KvnLexicalAnalyzer Key-Value
26   * Notation} or {@link XmlLexicalAnalyzer XML}) but
27   * knows nothing about the CCSDS messages themselves.
28   * The {@link MessageParser message parsers} know about
29   * CCSDS messages.
30   * </p>
31   * @author Luc Maisonobe
32   * @since 11.0
33   */
34  public interface LexicalAnalyzer {
35  
36      /** Parse a CCSDS Message.
37       * @param messageParser CCSDS Message parser to use
38       * @param <T> type of the file
39       * @return parsed fileO
40       */
41      <T> T accept(MessageParser<T> messageParser);
42  
43  }