/*
 *
 * 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++;
            }
        }
    }
}