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<?php
/**
* phpcpd
*
* Copyright (c) 2009-2013, Sebastian Bergmann <sebastian@phpunit.de>.
* 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 Sebastian Bergmann 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.
*
* @package phpcpd
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @since File available since Release 1.1.0
*/
namespace SebastianBergmann\PHPCPD;
use SebastianBergmann\PHPCPD\CodeClone;
/**
* A map of exact clones.
*
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2009-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://github.com/sebastianbergmann/phpcpd/tree
* @since Class available since Release 1.1.0
*/
class CodeCloneMap implements \Countable, \Iterator
{
/**
* @var CodeClone[] The clones in the clone map
*/
protected $clones = array();
/**
* @var CodeClone[] The clones in the clone map, stored by ID
*/
protected $clonesById = array();
/**
* @var integer Current position while iterating the clone map
*/
protected $position = 0;
/**
* @var integer Number of duplicate lines in the clone map
*/
protected $numDuplicateLines = 0;
/**
* @var integer Number of lines analyzed
*/
protected $numLines = 0;
/**
* Adds a clone to the map.
*
* @param CodeClone $clone
*/
public function addClone(CodeClone $clone)
{
$id = $clone->getId();
if (!isset($this->clonesById[$id])) {
$this->clones[] = $clone;
$this->clonesById[$id] = $clone;
} else {
$existClone = $this->clonesById[$id];
foreach ($clone->getFiles() as $file) {
$existClone->addFile($file);
}
}
$this->numDuplicateLines += $clone->getSize();
}
/**
* Returns the clones stored in this map.
*
* @return CodeClone[]
*/
public function getClones()
{
return $this->clones;
}
/**
* Returns the percentage of duplicated code lines in the project.
*
* @return string
*/
public function getPercentage()
{
if ($this->numLines > 0) {
$percent = ($this->numDuplicateLines / $this->numLines) * 100;
} else {
$percent = 100;
}
return sprintf('%01.2F%%', $percent);
}
/**
* Returns the number of lines analyzed.
*
* @return integer
*/
public function getNumLines()
{
return $this->numLines;
}
/**
* Sets the number of physical source code lines in the project.
*
* @param integer $numLines
*/
public function setNumLines($numLines)
{
$this->numLines = $numLines;
}
/**
* Returns the number of clones stored in this map.
*/
public function count()
{
return count($this->clones);
}
/**
* Rewinds the Iterator to the first element.
*/
public function rewind()
{
$this->position = 0;
}
/**
* Checks if there is a current element after calls to rewind() or next().
*
* @return boolean
*/
public function valid()
{
return $this->position < count($this->clones);
}
/**
* Returns the key of the current element.
*
* @return integer
*/
public function key()
{
return $this->position;
}
/**
* Returns the current element.
*
* @return CodeClone
*/
public function current()
{
return $this->clones[$this->position];
}
/**
* Moves forward to next element.
*/
public function next()
{
$this->position++;
}
}
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