/usr/share/php/PHP/Depend/Code/NodeIterator.php is in pdepend 1.1.4-1.
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/**
* This file is part of PHP_Depend.
*
* PHP Version 5
*
* Copyright (c) 2008-2012, Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* 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 Pichler 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
* 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.
*
* @category QualityAssurance
* @package PHP_Depend
* @subpackage Code
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version SVN: $Id$
* @link http://pdepend.org/
*/
/**
* Iterator for code nodes.
*
* @category QualityAssurance
* @package PHP_Depend
* @subpackage Code
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 1.1.4
* @link http://pdepend.org/
*/
class PHP_Depend_Code_NodeIterator implements ArrayAccess, Iterator, Countable
{
/**
* List of {@link PHP_Depend_Code_NodeI} objects in this iterator.
*
* @var PHP_Depend_Code_NodeI[]
*/
private $nodes = array();
/**
* Total number of available nodes.
*
* @var integer
*/
private $count = 0;
/**
* Current internal offset.
*
* @var integer
*/
private $offset = 0;
/**
* Constructs a new node iterator from the given {@link PHP_Depend_Code_NodeI}
* node array.
*
* @param array $nodes List of code nodes.
*/
public function __construct(array $nodes)
{
$filter = PHP_Depend_Code_Filter_Collection::getInstance();
$nodeKeys = array();
foreach ($nodes as $node) {
$uuid = $node->getUuid();
if (!isset($nodeKeys[$uuid]) && $filter->accept($node)) {
$nodeKeys[$uuid] = $uuid;
$this->nodes[] = $node;
++$this->count;
}
}
}
/**
* Returns the number of {@link PHP_Depend_Code_NodeI} objects in this iterator.
*
* @return integer
*/
public function count()
{
return count($this->nodes);
}
/**
* Returns the current node or <b>false</b>
*
* @return PHP_Depend_Code_NodeI
*/
public function current()
{
if ($this->offset >= $this->count) {
return false;
}
return $this->nodes[$this->offset];
}
/**
* Returns the name of the current {@link PHP_Depend_Code_NodeI}.
*
* @return string
*/
public function key()
{
return $this->nodes[$this->offset]->getName();
}
/**
* Moves the internal pointer to the next {@link PHP_Depend_Code_NodeI}.
*
* @return void
*/
public function next()
{
++$this->offset;
}
/**
* Rewinds the internal pointer.
*
* @return void
*/
public function rewind()
{
$this->offset = 0;
}
/**
* Returns <b>true</b> while there is a next {@link PHP_Depend_Code_NodeI}.
*
* @return boolean
*/
public function valid()
{
return ($this->offset < $this->count);
}
/**
* Whether a offset exists
*
* @param mixed $offset An offset to check for.
*
* @return boolean Returns true on success or false on failure. The return
* value will be casted to boolean if non-boolean was returned.
* @since 1.0.0
* @link http://php.net/manual/en/arrayaccess.offsetexists.php
*/
public function offsetExists($offset)
{
return isset($this->nodes[$offset]);
}
/**
* Offset to retrieve
*
* @param mixed $offset The offset to retrieve.
*
* @return PHP_Depend_Code_NodeI Can return all value types.
* @since 1.0.0
* @link http://php.net/manual/en/arrayaccess.offsetget.php
*/
public function offsetGet($offset)
{
if (isset($this->nodes[$offset])) {
return $this->nodes[$offset];
}
throw new OutOfBoundsException("The offset {$offset} does not exist.");
}
/**
* Offset to set
*
* @param mixed $offset The offset to assign the value to.
* @param mixed $value The value to set.
*
* @return void
* @since 1.0.0
* @link http://php.net/manual/en/arrayaccess.offsetset.php
*/
public function offsetSet($offset, $value)
{
throw new BadMethodCallException('Not supported operation.');
}
/**
* Offset to unset
*
* @param mixed $offset The offset to unset.
*
* @return void
* @since 1.0.0
* @link http://php.net/manual/en/arrayaccess.offsetunset.php
*/
public function offsetUnset($offset)
{
throw new BadMethodCallException('Not supported operation.');
}
// @codeCoverageIgnoreStart
/**
* This method can be called by the PHP_Depend runtime environment or a
* utilizing component to free up memory. This methods are required for
* PHP version < 5.3 where cyclic references can not be resolved
* automatically by PHP's garbage collector.
*
* @return void
* @since 0.9.12
* @deprecated Since 1.0.0
*/
public function free()
{
trigger_error(__METHOD__ . '() is deprecated.', E_USER_DEPRECATED);
}
// @codeCoverageIgnoreEnd
}
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