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<?php
/*
* $Id: f73d7c67a353cf16f048af3ba013d84ec726a926 $
*
* 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 $Id: f73d7c67a353cf16f048af3ba013d84ec726a926 $
* @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;
$isHidden = false;
foreach($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==="hidden") {
$isHidden = ($value == 'true' || $value == '1') ? true : false;
} else if ($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 = $this->configurator->project;
// check to see if this target is a dup within the same file
if (isset($this->configurator->getCurrentTargets[$name])) {
throw new BuildException("Duplicate target: $targetName",
$this->parser->getLocation());
}
$this->target = new Target();
$this->target->setName($name);
$this->target->setHidden($isHidden);
$this->target->setIf($ifCond);
$this->target->setUnless($unlessCond);
$this->target->setDescription($description);
// take care of dependencies
if (strlen($depends) > 0) {
$this->target->setDepends($depends);
}
$usedTarget = false;
// check to see if target with same name is already defined
$projectTargets = $project->getTargets();
if (isset($projectTargets[$name])) {
$project->log("Already defined in main or a previous import, " .
"ignore {$name}", Project::MSG_VERBOSE);
} else {
$project->addTarget($name, $this->target);
if ($id !== null && $id !== "") {
$project->addReference($id, $this->target);
}
$usedTarget = true;
}
if ($this->configurator->isIgnoringProjectTag() &&
$this->configurator->getCurrentProjectName() != null &&
strlen($this->configurator->getCurrentProjectName()) != 0) {
// In an impored file (and not completely
// ignoring the project tag)
$newName = $this->configurator->getCurrentProjectName() . "." . $name;
if ($usedTarget) {
// clone needs to make target->children a shared reference
$newTarget = clone $this->target;
} else {
$newTarget = $this->target;
}
$newTarget->setName($newName);
$ct = $this->configurator->getCurrentTargets();
$ct[$newName] = $newTarget;
$project->addTarget($newName, $newTarget);
}
}
/**
* Checks for nested tags within the current one. Creates and calls
* handlers respectively.
*
* @param string the tag that comes in
* @param array attributes the tag carries
*/
function startElement($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, $attrs);
}
}
/**
* Checks if this target has dependencies and/or nested tasks.
* If the target has neither, show a warning.
*/
protected function finished()
{
if (!count($this->target->getDependencies()) && !count($this->target->getTasks())) {
$this->configurator->project->log("Warning: target '" . $this->target->getName() .
"' has no tasks or dependencies", Project::MSG_WARN);
}
}
}
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