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<?php
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/**
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 * $Id: CoverageReportTransformer.php 325 2007-12-20 15:44:58Z hans $
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 *
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 * This software consists of voluntary contributions made by many individuals
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 * and is licensed under the LGPL. For more information please see
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 * <http://phing.info>.
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 */
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require_once 'phing/Task.php';
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require_once 'phing/system/io/PhingFile.php';
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require_once 'phing/system/io/FileWriter.php';
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require_once 'phing/util/ExtendedFileStream.php';
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/**
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 * Transform a Phing/Xdebug code coverage xml report.
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 * The default transformation generates an html report in framed style.
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 *
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 * @author Michiel Rook <michiel.rook@gmail.com>
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 * @version $Id: CoverageReportTransformer.php 325 2007-12-20 15:44:58Z hans $
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 * @package phing.tasks.ext.coverage
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 * @since 2.1.0
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 */
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class CoverageReportTransformer
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{
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	private $task = NULL;
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	private $styleDir = "";
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	private $toDir = "";
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	private $document = NULL;
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	function __construct(Task $task)
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	{
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		$this->task = $task;
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	}
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	function setStyleDir($styleDir)
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	{
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		$this->styleDir = $styleDir;
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	}
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	function setToDir($toDir)
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	{
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		$this->toDir = $toDir;
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	}
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	function setXmlDocument($document)
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	{
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		$this->document = $document;
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	}
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	function transform()
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	{
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        $dir = new PhingFile($this->toDir);
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        if (!$dir->exists())
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        {
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            throw new BuildException("Directory '" . $this->toDir . "' does not exist");
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        }
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		$xslfile = $this->getStyleSheet();
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		$xsl = new DOMDocument();
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		$xsl->load($xslfile->getAbsolutePath());
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		$proc = new XSLTProcessor();
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		$proc->importStyleSheet($xsl);
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		ExtendedFileStream::registerStream();
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		// no output for the framed report
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		// it's all done by extension...
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		$proc->setParameter('', 'output.dir', $dir->getAbsolutePath());
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		$proc->transformToXML($this->document);
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	}
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	private function getStyleSheet()
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	{
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		$xslname = "coverage-frames.xsl";
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		if ($this->styleDir)
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		{
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			$file = new PhingFile($this->styleDir, $xslname);
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		}
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		else
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		{
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			$path = Phing::getResourcePath("phing/etc/$xslname");
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			if ($path === NULL)
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			{
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				$path = Phing::getResourcePath("etc/$xslname");
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				if ($path === NULL)
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				{
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					throw new BuildException("Could not find $xslname in resource path");
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				}
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			}
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			$file = new PhingFile($path);
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		}
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		if (!$file->exists())
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		{
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			throw new BuildException("Could not find file " . $file->getPath());
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		}
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		return $file;
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	}
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}