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Diffstat (limited to 'buildscripts/phing/classes/phing/parser/NestedElementHandler.php')
| -rw-r--r-- | buildscripts/phing/classes/phing/parser/NestedElementHandler.php | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/buildscripts/phing/classes/phing/parser/NestedElementHandler.php b/buildscripts/phing/classes/phing/parser/NestedElementHandler.php new file mode 100644 index 00000000..8ecd0ed3 --- /dev/null +++ b/buildscripts/phing/classes/phing/parser/NestedElementHandler.php @@ -0,0 +1,186 @@ +<?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); + } + } +} |