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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 1.0.0
*/
namespace SebastianBergmann\PHPCPD\Log;
use SebastianBergmann\PHPCPD\CodeCloneMap;
/**
* Base class for XML loggers.
*
* @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 1.0.0
*/
abstract class AbstractXmlLogger
{
protected $document;
/**
* Constructor.
*
* @param string $filename
*/
public function __construct($filename)
{
$this->document = new \DOMDocument('1.0', 'UTF-8');
$this->document->formatOutput = true;
$this->filename = $filename;
}
/**
* Writes the XML document to the file.
*/
protected function flush()
{
file_put_contents($this->filename, $this->document->saveXML());
}
/**
* Converts a string to UTF-8 encoding.
*
* @param string $string
* @return string
*/
protected function convertToUtf8($string)
{
if (!$this->isUtf8($string)) {
if (function_exists('mb_convert_encoding')) {
$string = mb_convert_encoding($string, 'UTF-8');
} else {
$string = utf8_encode($string);
}
}
return $string;
}
/**
* Checks a string for UTF-8 encoding.
*
* @param string $string
* @return boolean
*/
protected function isUtf8($string)
{
$length = strlen($string);
for ($i = 0; $i < $length; $i++) {
if (ord($string[$i]) < 0x80) {
$n = 0;
} elseif ((ord($string[$i]) & 0xE0) == 0xC0) {
$n = 1;
} elseif ((ord($string[$i]) & 0xF0) == 0xE0) {
$n = 2;
} elseif ((ord($string[$i]) & 0xF0) == 0xF0) {
$n = 3;
} else {
return false;
}
for ($j = 0; $j < $n; $j++) {
if ((++$i == $length) || ((ord($string[$i]) & 0xC0) != 0x80)) {
return false;
}
}
}
return true;
}
/**
* Processes a list of clones.
*
* @param CodeCloneMap $clones
*/
abstract public function processClones(CodeCloneMap $clones);
}
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