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Diffstat (limited to 'buildscripts/phing/classes/phing/types/selectors/DepthSelector.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/types/selectors/DepthSelector.php | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/types/selectors/DepthSelector.php b/buildscripts/phing/classes/phing/types/selectors/DepthSelector.php new file mode 100644 index 00000000..3faafe96 --- /dev/null +++ b/buildscripts/phing/classes/phing/types/selectors/DepthSelector.php @@ -0,0 +1,158 @@ +<?php +/* + * $Id: DepthSelector.php,v 1.7 2005/05/26 13:10:53 mrook Exp $ + * + * 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/BaseExtendSelector.php'; + +/** + * Selector that filters files based on the how deep in the directory + * tree they are. + * + * @author Hans Lellelid <hans@xmpl.org> (Phing) + * @author Bruce Atherton <bruce@callenish.com> (Ant) + * @version $Revision: 1.7 $ + * @package phing.types.selectors + */ +class DepthSelector extends BaseExtendSelector { + + public $min = -1; + public $max = -1; + const MIN_KEY = "min"; + const MAX_KEY = "max"; + + public function toString() { + $buf = "{depthselector min: "; + $buf .= $this->min; + $buf .= " max: "; + $buf .= $this->max; + $buf .= "}"; + return $buf; + } + + /** + * The minimum depth below the basedir before a file is selected. + * + * @param min minimum directory levels below basedir to go + */ + public function setMin($min) { + $this->min = (int) $min; + } + + /** + * The minimum depth below the basedir before a file is selected. + * + * @param min maximum directory levels below basedir to go + */ + public function setMax($max) { + $this->max = (int) $max; + } + + /** + * When using this as a custom selector, this method will be called. + * It translates each parameter into the appropriate setXXX() call. + * + * @param parameters the complete set of parameters for this selector + */ + public function setParameters($parameters) { + parent::setParameters($parameters); + if ($parameters !== null) { + for ($i = 0, $size=count($parameters); $i < $size; $i++) { + $paramname = $parameters[$i]->getName(); + switch(strtolower($paramname)) { + case self::MIN_KEY: + $this->setMin($parameters[$i]->getValue()); + break; + case self::MAX_KEY: + $this->setMax($parameters[$i]->getValue()); + break; + + default: + $this->setError("Invalud parameter " . $paramname); + } // switch + } + } + } + + /** + * Checks to make sure all settings are kosher. In this case, it + * means that the max depth is not lower than the min depth. + */ + public function verifySettings() { + if ($this->min < 0 && $this->max < 0) { + $this->setError("You must set at least one of the min or the " . + "max levels."); + } + if ($this->max < $this->min && $this->max > -1) { + $this->setError("The maximum depth is lower than the minimum."); + } + } + + /** + * The heart of the matter. This is where the selector gets to decide + * on the inclusion of a file in a particular fileset. Most of the work + * for this selector is offloaded into SelectorUtils, a static class + * that provides the same services for both FilenameSelector and + * DirectoryScanner. + * + * @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(); + + $depth = -1; + // If you felt daring, you could cache the basedir absolute path + $abs_base = $basedir->getAbsolutePath(); + $abs_file = $file->getAbsolutePath(); + + $tok_base = explode(DIRECTORY_SEPARATOR, $abs_base); + $tok_file = explode(DIRECTORY_SEPARATOR, $abs_file); + + for($i=0,$size=count($tok_file); $i < $size; $i++) { + $filetoken = $tok_file[$i]; + if (isset($tok_base[$i])) { + $basetoken = $tok_base[$i]; + // Sanity check. Ditch it if you want faster performance + if ($basetoken !== $filetoken) { + throw new BuildException("File " . $filename . + " does not appear within " . $abs_base . "directory"); + } + } else { // no more basepath tokens + $depth++; + if ($this->max > -1 && $depth > $this->max) { + return false; + } + } + } + if (isset($tok_base[$i + 1])) { + throw new BuildException("File " . $filename . + " is outside of " . $abs_base . "directory tree"); + } + if ($this->min > -1 && $depth < $this->min) { + return false; + } + return true; + } + +} + |