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<?php
/*
* $Id: ConditionBase.php 59 2006-04-28 14:49:47Z 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/ProjectComponent.php';
include_once 'phing/Project.php';
include_once 'phing/tasks/system/AvailableTask.php';
include_once 'phing/tasks/system/condition/Condition.php';
/**
* Abstract baseclass for the <condition> task as well as several
* conditions - ensures that the types of conditions inside the task
* and the "container" conditions are in sync.
*
* @author Hans Lellelid <hans@xmpl.org>
* @author Andreas Aderhold <andi@binarycloud.com>
* @copyright © 2001,2002 THYRELL. All rights reserved
* @version $Revision: 1.16 $
* @package phing.tasks.system.condition
*/
abstract class ConditionBase extends ProjectComponent implements IteratorAggregate {
public $conditions = array(); // needs to be public for "inner" class access
function countConditions() {
return count($this->conditions);
}
/**
* Required for IteratorAggregate
*/
function getIterator() {
return new ConditionEnumeration($this);
}
function getConditions() {
return $this->conditions;
}
/**
* @return void
*/
function addAvailable(AvailableTask $a) {
$this->conditions[] = $a;
}
/**
* @return NotCondition
*/
function createNot() {
include_once 'phing/tasks/system/condition/NotCondition.php';
$num = array_push($this->conditions, new NotCondition());
return $this->conditions[$num-1];
}
/**
* @return AndCondition
*/
function createAnd() {
include_once 'phing/tasks/system/condition/AndCondition.php';
$num = array_push($this->conditions, new AndCondition());
return $this->conditions[$num-1];
}
/**
* @return OrCondition
*/
function createOr() {
include_once 'phing/tasks/system/condition/OrCondition.php';
$num = array_push($this->conditions, new OrCondition());
return $this->conditions[$num-1];
}
/**
* @return EqualsCondition
*/
function createEquals() {
include_once 'phing/tasks/system/condition/EqualsCondition.php';
$num = array_push($this->conditions, new EqualsCondition());
return $this->conditions[$num-1];
}
/**
* @return OsCondition
*/
function createOs() {
include_once 'phing/tasks/system/condition/OsCondition.php';
$num = array_push($this->conditions, new OsCondition());
return $this->conditions[$num-1];
}
/**
* @return IsFalseCondition
*/
function createIsFalse() {
include_once 'phing/tasks/system/condition/IsFalseCondition.php';
$num = array_push($this->conditions, new IsFalseCondition());
return $this->conditions[$num-1];
}
/**
* @return IsTrueCondition
*/
function createIsTrue() {
include_once 'phing/tasks/system/condition/IsTrueCondition.php';
$num = array_push($this->conditions, new IsTrueCondition());
return $this->conditions[$num-1];
}
/**
* @return ContainsCondition
*/
function createContains() {
include_once 'phing/tasks/system/condition/ContainsCondition.php';
$num = array_push($this->conditions, new ContainsCondition());
return $this->conditions[$num-1];
}
/**
* @return IsSetCondition
*/
function createIsSet() {
include_once 'phing/tasks/system/condition/IsSetCondition.php';
$num = array_push($this->conditions, new IsSetCondition());
return $this->conditions[$num-1];
}
/**
* @return ReferenceExistsCondition
*/
function createReferenceExists() {
include_once 'phing/tasks/system/condition/ReferenceExistsCondition.php';
$num = array_push($this->conditions, new ReferenceExistsCondition());
return $this->conditions[$num-1];
}
}
/**
* "Inner" class for handling enumerations.
* Uses build-in PHP5 iterator support.
*/
class ConditionEnumeration implements Iterator {
/** Current element number */
private $num = 0;
/** "Outer" ConditionBase class. */
private $outer;
function __construct(ConditionBase $outer) {
$this->outer = $outer;
}
public function valid() {
return $this->outer->countConditions() > $this->num;
}
function current() {
$o = $this->outer->conditions[$this->num];
if ($o instanceof ProjectComponent) {
$o->setProject($this->outer->getProject());
}
return $o;
}
function next() {
$this->num++;
}
function key() {
return $this->num;
}
function rewind() {
$this->num = 0;
}
}
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