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http/
mail.1/
program/
lib/
MDB2/
- drwxr-xr-x
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Viewing file:  Iterator.php (7.04 KB) -rw-r--r--Select action/file-type:  ( +) |  ( +) |  ( +) | Code ( +) | Session ( +) |  ( +) | SDB ( +) |  ( +) |  ( +) |  ( +) |  ( +) |  ( +) |
<?php
// +----------------------------------------------------------------------+
// | PHP version 5 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1998-2006 Manuel Lemos, Tomas V.V.Cox, |
// | Stig. S. Bakken, Lukas Smith |
// | All rights reserved. |
// +----------------------------------------------------------------------+
// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
// | API as well as database abstraction for PHP applications. |
// | This LICENSE is in the BSD license style. |
// | |
// | Redistribution and use in source and binary forms, with or without |
// | modification, are permitted provided that the following conditions |
// | are met: |
// | |
// | Redistributions of source code must retain the above copyright |
// | notice, this list of conditions and the following disclaimer. |
// | |
// | Redistributions in binary form must reproduce the above copyright |
// | notice, this list of conditions and the following disclaimer in the |
// | documentation and/or other materials provided with the distribution. |
// | |
// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
// | Lukas Smith nor the names of his contributors may be used to endorse |
// | or promote products derived from this software without specific prior|
// | written permission. |
// | |
// | 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 |
// | REGENTS 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. |
// +----------------------------------------------------------------------+
// | Author: Lukas Smith <smith@pooteeweet.org> |
// +----------------------------------------------------------------------+
//
// $Id: Iterator.php 295586 2010-02-28 17:04:17Z quipo $
/**
* PHP5 Iterator
*
* @package MDB2
* @category Database
* @author Lukas Smith <smith@pooteeweet.org>
*/
class MDB2_Iterator implements Iterator
{
protected $fetchmode;
protected $result;
protected $row;
// {{{ constructor
/**
* Constructor
*/
public function __construct($result, $fetchmode = MDB2_FETCHMODE_DEFAULT)
{
$this->result = $result;
$this->fetchmode = $fetchmode;
}
// }}}
// {{{ seek()
/**
* Seek forward to a specific row in a result set
*
* @param int number of the row where the data can be found
*
* @return void
* @access public
*/
public function seek($rownum)
{
$this->row = null;
if ($this->result) {
$this->result->seek($rownum);
}
}
// }}}
// {{{ next()
/**
* Fetch next row of data
*
* @return void
* @access public
*/
public function next()
{
$this->row = null;
}
// }}}
// {{{ current()
/**
* return a row of data
*
* @return void
* @access public
*/
public function current()
{
if (null === $this->row) {
$row = $this->result->fetchRow($this->fetchmode);
if (PEAR::isError($row)) {
$row = false;
}
$this->row = $row;
}
return $this->row;
}
// }}}
// {{{ valid()
/**
* Check if the end of the result set has been reached
*
* @return bool true/false, false is also returned on failure
* @access public
*/
public function valid()
{
return (bool)$this->current();
}
// }}}
// {{{ free()
/**
* Free the internal resources associated with result.
*
* @return bool|MDB2_Error true on success, false|MDB2_Error if result is invalid
* @access public
*/
public function free()
{
if ($this->result) {
return $this->result->free();
}
$this->result = false;
$this->row = null;
return false;
}
// }}}
// {{{ key()
/**
* Returns the row number
*
* @return int|bool|MDB2_Error true on success, false|MDB2_Error if result is invalid
* @access public
*/
public function key()
{
if ($this->result) {
return $this->result->rowCount();
}
return false;
}
// }}}
// {{{ rewind()
/**
* Seek to the first row in a result set
*
* @return void
* @access public
*/
public function rewind()
{
}
// }}}
// {{{ destructor
/**
* Destructor
*/
public function __destruct()
{
$this->free();
}
// }}}
}
/**
* PHP5 buffered Iterator
*
* @package MDB2
* @category Database
* @author Lukas Smith <smith@pooteeweet.org>
*/
class MDB2_BufferedIterator extends MDB2_Iterator implements SeekableIterator
{
// {{{ valid()
/**
* Check if the end of the result set has been reached
*
* @return bool|MDB2_Error true on success, false|MDB2_Error if result is invalid
* @access public
*/
public function valid()
{
if ($this->result) {
return $this->result->valid();
}
return false;
}
// }}}
// {{{count()
/**
* Returns the number of rows in a result object
*
* @return int|MDB2_Error number of rows, false|MDB2_Error if result is invalid
* @access public
*/
public function count()
{
if ($this->result) {
return $this->result->numRows();
}
return false;
}
// }}}
// {{{ rewind()
/**
* Seek to the first row in a result set
*
* @return void
* @access public
*/
public function rewind()
{
$this->seek(0);
}
// }}}
}
?>
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