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ResultSetIterator.php

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<?php
/*
 *  $Id: ResultSetIterator.php,v 1.1 2004/03/25 22:59:39 micha Exp $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://creole.phpdb.org>.
 */

//
// STATUS:
// - ported:   y
// - compiled: y
// - tested:   n
//

class ResultSetIterator /* implements Iterator */
{

  var $rs;

  function ResultSetIterator(/*ResultSet*/ &$rs)
  {
    if (! is_a($rs, 'ResultSet')) {
      trigger_error(
        "ResultSetIterator::ResultSetIterator(): parameter 1 not of type 'ResultSet' !",
        E_USER_ERROR
      );
    }

    $this->rs =& $rs;
  }

  function rewind()
  {
      if (!$this->rs->isBeforeFirst()) {
          $this->rs->seek(0);
      }
  }

  function & hasMore()
  {
      return $this->rs->next();
  }

  function key()
  {
      return $this->rs->getCursorPos();
  }

  function & current()
  {
     return $this->rs->getRow();
  }

  function next()
  {
  }

}

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This file is part of the Creole[php4] library.