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<?php /* * $Id: DependSelector.php 123 2006-09-14 20:19:08Z 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/types/selectors/BaseSelector.php'; /** * Selector that filters files based on whether they are newer than * a matching file in another directory tree. It can contain a mapper * element, so isn't available as an ExtendSelector (since those * parameters can't hold other elements). * * @author Hans Lellelid <hans@xmpl.org> (Phing) * @author Bruce Atherton <bruce@callenish.com> (Ant) * @version $Revision: 1.8 $ * @package phing.types.selectors */ class DependSelector extends BaseSelector { private $targetdir = null; private $mapperElement = null; private $map = null; private $granularity = 0; public function __construct() { // not yet supported: //if (Os.isFamily("dos")) { // $this->granularity = 2000; //} } public function toString() { $buf = "{dependselector targetdir: "; if ($this->targetdir === null) { $buf .= "NOT YET SET"; } else { $buf .= $this->targetdir->getName(); } $buf .= " granularity: "; $buf .= $this->granularity; if ($this->map !== null) { $buf .= " mapper: "; $buf .= $this->map->toString(); } elseif ($this->mapperElement !== null) { $buf .= " mapper: "; $buf .= $this->mapperElement->toString(); } $buf .= "}"; return $buf; } /** * The name of the file or directory which is checked for out-of-date * files. * * @param targetdir the directory to scan looking for files. */ public function setTargetdir(PhingFile $targetdir) { $this->targetdir = $targetdir; } /** * Sets the number of milliseconds leeway we will give before we consider * a file out of date. */ public function setGranularity($granularity) { $this->granularity = (int) granularity; } /** * Defines the FileNameMapper to use (nested mapper element). * @throws BuildException */ public function createMapper() { if ($this->mapperElement !== null) { throw new BuildException("Cannot define more than one mapper"); } $this->mapperElement = new Mapper($this->project); return $this->mapperElement; } /** * Checks to make sure all settings are kosher. In this case, it * means that the dest attribute has been set and we have a mapper. */ public function verifySettings() { if ($this->targetdir === null) { $this->setError("The targetdir attribute is required."); } if ($this->mapperElement === null) { $this->map = new IdentityMapper(); } else { $this->map = $this->mapperElement->getImplementation(); } if ($this->map === null) { $this->setError("Could not set <mapper> element."); } } /** * The heart of the matter. This is where the selector gets to decide * on the inclusion of a file in a particular fileset. * * @param basedir the base directory the scan is being done from * @param filename is the name of the file to check * @param file is a PhingFile object the selector can use * @return whether the file should be selected or not */ public function isSelected(PhingFile $basedir, $filename, PhingFile $file) { $this->validate(); // Determine file whose out-of-dateness is to be checked $destfiles = $this->map->main($filename); // If filename does not match the To attribute of the mapper // then filter it out of the files we are considering if ($destfiles === null) { return false; } // Sanity check if (count($destfiles) !== 1 || $destfiles[0] === null) { throw new BuildException("Invalid destination file results for " . $this->targetdir . " with filename " . $filename); } $destname = $destfiles[0]; $destfile = new PhingFile($this->targetdir, $destname); return SelectorUtils::isOutOfDate($file, $destfile, $this->granularity); } }
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