/**
* 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);
}
