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   1  <?php
   2  
   3  /*
   4   *  $Id: ChainableReader.php 3076 2006-12-18 08:52:12Z fabien $
   5   *
   6   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   7   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   8   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   9   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  10   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  11   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  12   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  13   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  14   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  15   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  16   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  17   *
  18   * This software consists of voluntary contributions made by many individuals
  19   * and is licensed under the LGPL. For more information please see
  20   * <http://phing.info>.
  21  */
  22  
  23  /**
  24   * Interface indicating that a reader may be chained to another one.
  25   *
  26   * @author Magesh Umasankar
  27   */
  28  interface ChainableReader {
  29  
  30      /**
  31       * Returns a reader with the same configuration as this one,
  32       * but filtering input from the specified reader.
  33       * 
  34       * @param Reader $rdr the reader which the returned reader should be filtering
  35       * 
  36       * @return Reader A reader with the same configuration as this one, but
  37       *         filtering input from the specified reader
  38       */
  39      public function chain(Reader $rdr);
  40  }
  41  
  42  ?>