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doctrine2/lib/Doctrine/Common/Cli/Tasks/HelpTask.php

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<?php
/*
* $Id$
*
* 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, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\Common\Cli\Tasks;
use Doctrine\Common\Cli\CliException;
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/**
* CLI Task to display available commands help
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @version $Revision$
* @author Benjamin Eberlei <kontakt@beberlei.de>
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* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class HelpTask extends AbstractTask
{
/**
* @inheritdoc
*/
public function buildDocumentation()
{
$doc = $this->getDocumentation();
$doc->setName('help')
->setDescription('Exposes helpful information about all available tasks.');
}
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/**
* @inheritdoc
*/
public function extendedHelp()
{
$this->run();
}
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/**
* Exposes the available tasks
*
*/
public function run()
{
$this->getPrinter()->writeln('Available Tasks:', 'HEADER')->write(PHP_EOL);
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// Find the CLI Controller
$cliController = $this->getNamespace()->getParentNamespace();
// Switch between ALL available tasks and display the basic Help of each one
$availableTasks = $cliController->getAvailableTasks();
//unset($availableTasks['Core:Help']);
ksort($availableTasks);
foreach (array_keys($availableTasks) as $taskName) {
$cliController->runTask($taskName, array('basic-help' => true));
}
}
}