Viewing file: NestedElementHandler.php (6.74 KB) -rw-rw-rw- Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?php /* * $Id: NestedElementHandler.php,v 1.10 2005/10/04 19:13:44 hlellelid Exp $ * * 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>. */
include_once 'phing/IntrospectionHelper.php'; include_once 'phing/TaskContainer.php';
/** * The nested element handler class. * * This class handles the occurance of runtime registered tags like * datatypes (fileset, patternset, etc) and it's possible nested tags. It * introspects the implementation of the class and sets up the data structures. * * @author Andreas Aderhold <andi@binarycloud.com> * @copyright © 2001,2002 THYRELL. All rights reserved * @version $Revision: 1.10 $ $Date: 2005/10/04 19:13:44 $ * @access public * @package phing.parser */
class NestedElementHandler extends AbstractHandler {
/** * Reference to the parent object that represents the parent tag * of this nested element * @var object */ private $parent;
/** * Reference to the child object that represents the child tag * of this nested element * @var object */ private $child;
/** * Reference to the parent wrapper object * @var object */ private $parentWrapper;
/** * Reference to the child wrapper object * @var object */ private $childWrapper;
/** * Reference to the related target object * @var object the target instance */ private $target;
/** * Constructs a new NestedElement handler and sets up everything. * * @param object the ExpatParser object * @param object the parent handler that invoked this handler * @param object the ProjectConfigurator object * @param object the parent object this element is contained in * @param object the parent wrapper object * @param object the target object this task is contained in * @access public */ function __construct($parser, $parentHandler, $configurator, $parent, $parentWrapper, $target) { parent::__construct($parser, $parentHandler); $this->configurator = $configurator; if ($parent instanceof TaskAdapter) { $this->parent = $parent->getProxy(); } else { $this->parent = $parent; } $this->parentWrapper = $parentWrapper; $this->target = $target; }
/** * Executes initialization actions required to setup the data structures * related to the tag. * <p> * This includes: * <ul> * <li>creation of the nested element</li> * <li>calling the setters for attributes</li> * <li>adding the element to the container object</li> * <li>adding a reference to the element (if id attribute is given)</li> * </ul> * * @param string the tag that comes in * @param array attributes the tag carries * @throws ExpatParseException if the setup process fails * @access public */ function init($propType, $attrs) { $configurator = $this->configurator; $project = $this->configurator->project;
// introspect the parent class that is custom $parentClass = get_class($this->parent); $ih = IntrospectionHelper::getHelper($parentClass); try { if ($this->parent instanceof UnknownElement) { $this->child = new UnknownElement(strtolower($propType)); $this->parent->addChild($this->child); } else { $this->child = $ih->createElement($project, $this->parent, strtolower($propType)); } $configurator->configureId($this->child, $attrs); if ($this->parentWrapper !== null) { $this->childWrapper = new RuntimeConfigurable($this->child, $propType); $this->childWrapper->setAttributes($attrs); $this->parentWrapper->addChild($this->childWrapper); } else { $configurator->configure($this->child, $attrs, $project); $ih->storeElement($project, $this->parent, $this->child, strtolower($propType)); } } catch (BuildException $exc) { throw new ExpatParseException("Error initializing nested element <$propType>", $exc, $this->parser->getLocation()); } }
/** * Handles character data. * * @param string the CDATA that comes in * @throws ExpatParseException if the CDATA could not be set-up properly * @access public */ function characters($data) {
$configurator = $this->configurator; $project = $this->configurator->project;
if ($this->parentWrapper === null) { try { $configurator->addText($project, $this->child, $data); } catch (BuildException $exc) { throw new ExpatParseException($exc->getMessage(), $this->parser->getLocation()); } } else { $this->childWrapper->addText($data); } }
/** * 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 * @access public */ function startElement($name, $attrs) { //print(get_class($this) . " name = $name, attrs = " . implode(",",$attrs) . "\n"); if ($this->child instanceof TaskContainer) { // taskcontainer nested element can contain other tasks - no other // nested elements possible $tc = new TaskHandler($this->parser, $this, $this->configurator, $this->child, $this->childWrapper, $this->target); $tc->init($name, $attrs); } else { $neh = new NestedElementHandler($this->parser, $this, $this->configurator, $this->child, $this->childWrapper, $this->target); $neh->init($name, $attrs); } } }
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