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<?php
/**
* $Id: PHPCPDTask.php 1340 2011-10-31 09:40:00Z mrook $
*
* 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://phing.info>.
*/
require_once 'phing/Task.php';
/**
* Runs PHP Copy & Paste Detector. Checking PHP files for duplicated code.
* Refactored original PhpCpdTask provided by
* Timo Haberkern <timo.haberkern@fantastic-bits.de>
*
* @package phing.tasks.ext.phpcpd
* @author Benjamin Schultz <bschultz@proqrent.de>
* @version $Id: PHPCPDTask.php 1340 2011-10-31 09:40:00Z mrook $
*/
class PHPCPDTask extends Task
{
/**
* A php source code filename or directory
*
* @var PhingFile
*/
protected $_file = null;
/**
* All fileset objects assigned to this task
*
* @var array<FileSet>
*/
protected $_filesets = array();
/**
* Minimum number of identical lines.
*
* @var integer
*/
protected $_minLines = 5;
/**
* Minimum number of identical tokens.
*
* @var integer
*/
protected $_minTokens = 70;
/**
* List of valid file extensions for analyzed files.
*
* @var array
*/
protected $_allowedFileExtensions = array('php');
/**
* List of exclude directory patterns.
*
* @var array
*/
protected $_ignorePatterns = array('.git', '.svn', 'CVS', '.bzr', '.hg');
/**
* The format for the report
*
* @var string
*/
protected $_format = 'default';
/**
* Formatter elements.
*
* @var array<PHPCPDFormatterElement>
*/
protected $_formatters = array();
/**
* Load the necessary environment for running PHPCPD.
*
* @throws BuildException - if the phpcpd classes can't be loaded.
*/
public function init()
{
/**
* Determine PHPCPD installation
*/
@include_once 'PHPCPD/Autoload.php';
if (! class_exists('PHPCPD_TextUI_Command')) {
throw new BuildException(
'PHPCPDTask depends on PHPCPD being installed '
. 'and on include_path.',
$this->getLocation()
);
}
// Other dependencies that should only be loaded
// when class is actually used
require_once 'phing/tasks/ext/phpcpd/PHPCPDFormatterElement.php';
}
/**
* Set the input source file or directory.
*
* @param PhingFile $file The input source file or directory.
*
* @return void
*/
public function setFile(PhingFile $file)
{
$this->_file = $file;
}
/**
* Nested creator, adds a set of files (nested fileset attribute).
*
* @return FileSet The created fileset object
*/
public function createFileSet()
{
$num = array_push($this->_filesets, new FileSet());
return $this->_filesets[$num-1];
}
/**
* Sets the minimum rule priority.
*
* @param integer $minimumPriority Minimum rule priority.
*
* @return void
*/
public function setMinimumPriority($minimumPriority)
{
$this->_minimumPriority = $minimumPriority;
}
/**
* Sets the minimum number of identical lines (default: 5).
*
* @param integer $minLines Minimum number of identical lines
*
* @return void
*/
public function setMinLines($minLines)
{
$this->_minLines = $minLines;
}
/**
* Sets the minimum number of identical tokens (default: 70).
*
* @param integer $minTokens Minimum number of identical tokens
*/
public function setMinTokens($minTokens)
{
$this->_minTokens = $minTokens;
}
/**
* Sets a list of filename extensions for valid php source code files.
*
* @param string $fileExtensions List of valid file extensions.
*
* @return void
*/
public function setAllowedFileExtensions($fileExtensions)
{
$this->_allowedFileExtensions = array();
$token = ' ,;';
$ext = strtok($fileExtensions, $token);
while ($ext !== false) {
$this->_allowedFileExtensions[] = $ext;
$ext = strtok($token);
}
}
/**
* Sets a list of ignore patterns that is used to exclude directories from
* the source analysis.
*
* @param string $ignorePatterns List of ignore patterns.
*
* @return void
*/
public function setIgnorePatterns($ignorePatterns)
{
$this->_ignorePatterns = array();
$token = ' ,;';
$pattern = strtok($ignorePatterns, $token);
while ($pattern !== false) {
$this->_ignorePatterns[] = $pattern;
$pattern = strtok($token);
}
}
/**
* Sets the output format
*
* @param string $format Format of the report
*/
public function setFormat($format)
{
$this->_format = $format;
}
/**
* Create object for nested formatter element.
*
* @return PHPCPDFormatterElement
*/
public function createFormatter()
{
$num = array_push(
$this->_formatters,
new PHPCPDFormatterElement($this)
);
return $this->_formatters[$num-1];
}
/**
* Executes PHPCPD against PhingFile or a FileSet
*
* @return void
*/
public function main()
{
if (!isset($this->_file) and count($this->_filesets) == 0) {
throw new BuildException(
"Missing either a nested fileset or attribute 'file' set"
);
}
if (count($this->_formatters) == 0) {
// turn legacy format attribute into formatter
$fmt = new PHPCPDFormatterElement($this);
$fmt->setType($this->_format);
$fmt->setUseFile(false);
$this->_formatters[] = $fmt;
}
$this->validateFormatters();
$filesToParse = array();
if ($this->_file instanceof PhingFile) {
$filesToParse[] = $this->_file->getPath();
} else {
// append any files in filesets
foreach ($this->_filesets as $fs) {
$files = $fs->getDirectoryScanner($this->project)
->getIncludedFiles();
foreach ($files as $filename) {
$f = new PhingFile($fs->getDir($this->project), $filename);
$filesToParse[] = $f->getAbsolutePath();
}
}
}
$this->log('Processing files...');
$detector = new PHPCPD_Detector(new PHPCPD_Detector_Strategy_Default());
$clones = $detector->copyPasteDetection(
$filesToParse,
$this->_minLines,
$this->_minTokens
);
$this->log('Finished copy/paste detection');
foreach ($this->_formatters as $fe) {
$formatter = $fe->getFormatter();
$formatter->processClones(
$clones,
$this->project,
$fe->getUseFile(),
$fe->getOutfile()
);
}
}
/**
* Validates the available formatters
*
* @throws BuildException
* @return void
*/
protected function validateFormatters()
{
foreach ($this->_formatters as $fe) {
if ($fe->getType() == '') {
throw new BuildException(
"Formatter missing required 'type' attribute."
);
}
if ($fe->getUsefile() && $fe->getOutfile() === null) {
throw new BuildException(
"Formatter requires 'outfile' attribute "
. "when 'useFile' is true."
);
}
}
}
}
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