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/*
  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 Apache.CLI;

/**
 * A class that implements the {@code CommandLineParser} interface can parse a String array
 * according to the {@link Options} specified and return a {@link CommandLine}.
 */
@Torello.JavaDoc.JDHeaderBackgroundImg(EmbedTagFileID="LICENSE")
public interface CommandLineParser
{
    /**
     * Parses the arguments according to the specified options.
     *
     * @param options the specified Options
     * @param arguments the command line arguments
     * @return the list of atomic option and value tokens
     *
     * @throws ParseException if there are any problems encountered while parsing the command line tokens.
     */
    CommandLine parse(Options options, String[] arguments) throws ParseException;

    /**
     * Parses the arguments according to the specified options.
     *
     * @param options the specified Options
     * @param arguments the command line arguments
     * 
     * @param stopAtNonOption if {@code true} an unrecognized argument stops the parsing and the
     * remaining arguments are added to the {@link CommandLine}s args list. If {@code false} an
     * unrecognized argument triggers a ParseException.
     *
     * @return the list of atomic option and value tokens
     * 
     * @throws ParseException if there are any problems encountered while parsing the command line
     * tokens.
     */
    CommandLine parse(Options options, String[] arguments, boolean stopAtNonOption)
        throws ParseException;
}