Subversion-Projekte lars-tiefland.php_share

<?php

/*

 * $Id: TargetHandler.php 123 2006-09-14 20:19:08Z 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/parser/AbstractHandler.php';

/**

 * The target handler class.

 *

 * This class handles the occurance of a <target> tag and it's possible

 * nested tags (datatypes and tasks).

 *

 * @author    Andreas Aderhold <andi@binarycloud.com>

 * @copyright  2001,2002 THYRELL. All rights reserved

 * @version   $Revision: 1.10 $

 * @package   phing.parser

 */

class TargetHandler extends AbstractHandler {

    /**

     * Reference to the target object that represents the currently parsed

     * target.

     * @var object the target instance

     */

    private $target;

    /**

     * The phing project configurator object

     * @var ProjectConfigurator

     */

    private $configurator;

    /**

     * Constructs a new TargetHandler

     *

     * @param  object  the ExpatParser object

     * @param  object  the parent handler that invoked this handler

     * @param  object  the ProjectConfigurator object

     */

    function __construct(AbstractSAXParser $parser, AbstractHandler $parentHandler, ProjectConfigurator $configurator) {

        parent::__construct($parser, $parentHandler);

        $this->configurator = $configurator;

    }

    /**

     * Executes initialization actions required to setup the data structures

     * related to the tag.

     * <p>

     * This includes:

     * <ul>

     * <li>creation of the target object</li>

     * <li>calling the setters for attributes</li>

     * <li>adding the target to the project</li>

     * <li>adding a reference to the target (if id attribute is given)</li>

     * </ul>

     *

     * @param  string  the tag that comes in

     * @param  array   attributes the tag carries

     * @throws ExpatParseException if attributes are incomplete or invalid

     */

    function init($tag, $attrs) {

        $name = null;

        $depends = "";

        $ifCond = null;

        $unlessCond = null;

        $id = null;

        $description = null;

        foreach($attrs as $key => $value) {

            if ($key==="name") {

                $name = (string) $value;

            } else if ($key==="depends") {

                $depends = (string) $value;

            } else if ($key==="if") {

                $ifCond = (string) $value;

            } else if ($key==="unless") {

                $unlessCond = (string) $value;

            } else if ($key==="id") {

                $id = (string) $value;

            } else if ($key==="description") {

                $description = (string)$value;

            } else {

                throw new ExpatParseException("Unexpected attribute '$key'", $this->parser->getLocation());

            }

        }

        if ($name === null) {

            throw new ExpatParseException("target element appears without a name attribute",  $this->parser->getLocation());

        }

        // shorthand

        $project = $this->configurator->project;

        $this->target = new Target();

        $this->target->setName($name);

        $this->target->setIf($ifCond);

        $this->target->setUnless($unlessCond);

        $this->target->setDescription($description);

        $project->addTarget($name, $this->target);

        if ($id !== null && $id !== "") {

            $project->addReference($id, $this->target);

        }

        // take care of dependencies

        if (strlen($depends) > 0) {

            $this->target->setDepends($depends);

        }

    }

    /**

     * Checks for nested tags within the current one. Creates and calls

     * handlers respectively.

     *

     * @param  string  the tag that comes in

     * @param  array   attributes the tag carries

     */

    function startElement($name, $attrs) {

        // shorthands

        $project = $this->configurator->project;

        $types = $project->getDataTypeDefinitions();

        if (isset($types[$name])) {

            $th = new DataTypeHandler($this->parser, $this, $this->configurator, $this->target);

            $th->init($name, $attrs);

        } else {

            $tmp = new TaskHandler($this->parser, $this, $this->configurator, $this->target, null, $this->target);

            $tmp->init($name, $attrs);

        }

    }

}