/*
    * Copyright 2005,2009 Ivan SZKIBA
    *
    * 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.
   */
  package org.ini4j.spi;
  
  import org.ini4j.Config;
  import org.ini4j.InvalidFileFormatException;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.io.Reader;
  
  import java.net.URL;
  
  public class OptionsParser extends AbstractParser
  {
      private static final String COMMENTS = "!#";
      private static final String OPERATORS = ":=";
  
      public OptionsParser()
      {
          super(OPERATORS, COMMENTS);
      }
  
      public static OptionsParser newInstance()
      {
          return ServiceFinder.findService(OptionsParser.class);
      }
  
      public static OptionsParser newInstance(Config config)
      {
          OptionsParser instance = newInstance();
  
          instance.setConfig(config);
  
          return instance;
      }
  
      public void parse(InputStream input, OptionsHandler handler) throws IOException, InvalidFileFormatException
      {
          parse(newIniSource(input, handler), handler);
      }
  
      public void parse(Reader input, OptionsHandler handler) throws IOException, InvalidFileFormatException
      {
          parse(newIniSource(input, handler), handler);
      }
  
      public void parse(URL input, OptionsHandler handler) throws IOException, InvalidFileFormatException
      {
          parse(newIniSource(input, handler), handler);
      }
  
      private void parse(IniSource source, OptionsHandler handler) throws IOException, InvalidFileFormatException
      {
          handler.startOptions();
          for (String line = source.readLine(); line != null; line = source.readLine())
          {
              parseOptionLine(line, handler, source.getLineNumber());
          }
  
          handler.endOptions();
      }
  }