/*
 * 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.
 */

namespace Lucene.Net.Support
{
    public class TextSupport
    {
        /// <summary>
        /// Copies an array of chars obtained from a String into a specified array of chars
        /// </summary>
        /// <param name="sourceString">The String to get the chars from</param>
        /// <param name="sourceStart">Position of the String to start getting the chars</param>
        /// <param name="sourceEnd">Position of the String to end getting the chars</param>
        /// <param name="destinationArray">Array to return the chars</param>
        /// <param name="destinationStart">Position of the destination array of chars to start storing the chars</param>
        /// <returns>An array of chars</returns>
        public static void GetCharsFromString(string sourceString, int sourceStart, int sourceEnd, char[] destinationArray, int destinationStart)
        {
            int sourceCounter;
            int destinationCounter;
            sourceCounter = sourceStart;
            destinationCounter = destinationStart;
            while (sourceCounter < sourceEnd)
            {
                destinationArray[destinationCounter] = (char)sourceString[sourceCounter];
                sourceCounter++;
                destinationCounter++;
            }
        }
    }
}