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- <?php
- /*
- * $Id: NotCondition.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/tasks/system/condition/ConditionBase.php';
-
- /**
- * <not> condition.
- *
- * Evaluates to true if the single condition nested into it is false
- * and vice versa.
- *
- * @author Andreas Aderhold <andi@binarycloud.com>
- * @copyright ⌐ 2001,2002 THYRELL. All rights reserved
- * @version $Revision: 1.6 $ $Date: 2006-03-10 15:31:51 +0100 (Fri, 10 Mar 2006) $
- * @access public
- * @package phing.tasks.system.condition
- */
- class NotCondition extends ConditionBase implements Condition {
-
- function evaluate() {
- if ($this->countConditions() > 1) {
- throw new BuildException("You must not nest more than one condition into <not>");
- }
- if ($this->countConditions() < 1) {
- throw new BuildException("You must nest a condition into <not>");
- }
- $conds = $this->getIterator();
- return !$conds->current()->evaluate();
- }
- }
-