Subversion-Projekte lars-tiefland.php_share

<?php

/*

 *  $Id: ConditionBase.php 43 2006-03-10 14:31:51Z 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;

    }

}