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<?php
/*
* $Id: SelectSelector.php,v 1.6 2003/12/24 17:43:26 hlellelid 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/AndSelector.php';
/**
* This selector just holds one other selector and forwards all
* requests to it. It exists so that there is a single selector
* type that can exist outside of any targets, as an element of
* project. It overrides all of the reference stuff so that it
* works as expected. Note that this is the only selector you
* can reference.
*
* @author Hans Lellelid <hans@xmpl.org> (Phing)
* @author Bruce Atherton <bruce@callenish.com> (Ant)
* @version $Revision: 1.6 $
* @package phing.types.selectors
*/
class SelectSelector extends AndSelector {
public function toString() {
$buf = "";
if ($this->hasSelectors()) {
$buf .= "{select: ";
$buf .= parent::toString();
$buf .= "}";
}
return $buf;
}
/**
* Performs the check for circular references and returns the
* referenced Selector.
*/
private function getRef() {
$o = $this->getCheckedRef(get_class($this), "SelectSelector");
return $o;
}
/**
* Indicates whether there are any selectors here.
*/
public function hasSelectors() {
if ($this->isReference()) {
return $this->getRef()->hasSelectors();
}
return parent::hasSelectors();
}
/**
* Gives the count of the number of selectors in this container
*/
public function selectorCount() {
if ($this->isReference()) {
return $this->getRef()->selectorCount();
}
return parent::selectorCount();
}
/**
* Returns the set of selectors as an array.
*/
public function getSelectors(Project $p) {
if ($this->isReference()) {
return $this->getRef()->getSelectors($p);
}
return parent::getSelectors($p);
}
/**
* Returns an enumerator for accessing the set of selectors.
*/
public function selectorElements() {
if ($this->isReference()) {
return $this->getRef()->selectorElements();
}
return parent::selectorElements();
}
/**
* Add a new selector into this container.
*
* @param selector the new selector to add
* @return the selector that was added
*/
public function appendSelector(FileSelector $selector) {
if ($this->isReference()) {
throw $this->noChildrenAllowed();
}
parent::appendSelector($selector);
}
/**
* Makes sure that there is only one entry, sets an error message if
* not.
*/
public function verifySettings() {
if ($this->selectorCount() != 1) {
$this->setError("One and only one selector is allowed within the "
. "<selector> tag");
}
}
}
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