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<?php
/*
* $Id: 9c244177a7f95995cd30c67c9fee47c1e977e4e2 $
*
* 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 $Id$
* @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;
}
}
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