UnknownElement::main() - Code Metrics - Inspection of "Added augment reference task. (#1323)" - phingofficial/phing - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( d68b8d...e5c614 )

by Siad
created 2020-04-29 20:51 UTC
UnknownElement::main() A

↳ Parent: UnknownElement
Complexity

Conditions	3
Paths	3
Size

Total Lines	10
Code Lines	4
Duplication

Lines	0
Ratio	0 %
Code Coverage

Tests	4
CRAP Score	3.072
Importance

Changes
Metric	Value
cc	3
eloc	4
nc	3
nop	0
dl	0
loc	10
ccs	4
cts	5
cp	0.8
crap	3.072
rs	10
c	0
b	0
f	0
<?php
/**
 * 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>.
 */

/**
 * Wrapper class that holds all information necessary to create a task
 * that did not exist when Phing started.
 *
 * <em> This has something to do with phing encountering an task XML element
 * it is not aware of at start time. This is a situation where special steps
 * need to be taken so that the element is then known.</em>
 *
 * @author  Andreas Aderhold <[email protected]>
 * @author  Hans Lellelid <[email protected]>
 * @package phing
 */
class UnknownElement extends Task
{
    private $elementName;
    private $realThing;
    private $children = [];

    /**
     * Constructs a UnknownElement object
     *
     * @param string  The XML element name that is unknown
     */
    public function __construct($elementName)
    {
        parent::__construct();
        $this->elementName = (string) $elementName;
    }

    /**
     * Return the XML element name that this <code>UnnownElement</code>
     * handles.
     *
     * @return string The XML element name that is unknown
     */
    public function getTag()
    {
        return (string) $this->elementName;
    }

    /**
     * Tries to configure the unknown element
     *
     * @throws BuildException if the element can not be configured
     */
    public function maybeConfigure()
    {
        if ($this->realThing !== null) {
            return;
        }
        $this->configure($this->makeObject($this, $this->wrapper));
    }

    public function configure($realObj)
    {
        if ($realObj === null) {
            return;
        }
        $this->realThing = $realObj;
        $this->wrapper->setProxy($this->realThing);

        $task = null;
        if ($this->realThing instanceof Task) {
            $task = $this->realThing;
            $task->setRuntimeConfigurableWrapper($this->wrapper);
            if ($this->getWrapper()->getId() !== null) {
                $this->getOwningTarget()->replaceChild($this, $this->realThing);
            }
        }

        if ($task !== null) {
            $task->maybeConfigure();
        } else {
            $this->getWrapper()->maybeConfigure($this->getProject());
        }
        $this->handleChildren($this->realThing, $this->wrapper);
    }

    /**
     * Called when the real task has been configured for the first time.
     *
     * @throws BuildException if the task can not be created
     */
    public function main()
    {
        if ($this->realThing === null) {
            // plain impossible to get here, maybeConfigure should
            // have thrown an exception.
            throw new BuildException("Should not be executing UnknownElement::main() -- task/type: {$this->elementName}");
        }

        if ($this->realThing instanceof Task) {
            $this->realThing->main();
        }
    }

    /**
     * Add a child element to the unknown element
     *
     * @param    UnknownElement $child
     * @internal param The $object object representing the child element
     */
    public function addChild(UnknownElement $child)
    {
        $this->children[] = $child;
    }

    /**
     *  Handle child elemets of the unknown element, if any.
     *
     * @param object $parent The parent object the unknown element belongs to
     * @param object $parentWrapper The parent wrapper object
     */
    public function handleChildren($parent, $parentWrapper)
    {
        if ($parent instanceof TypeAdapter) {
            $parent = $parent->getProxy();
        }

        $parentClass = $parent === null ? get_class() : get_class($parent);
        $ih = IntrospectionHelper::getHelper($parentClass);

        for ($i = 0, $childrenCount = count($this->children); $i < $childrenCount; $i++) {
            $childWrapper = $parentWrapper->getChild($i);
            $child = $this->children[$i];

            $realChild = null;
            if ($parent instanceof TaskContainer) {
                $parent->addTask($child);
                continue;
            }

            $project = $this->project ?? $parent->getProject();
            $realChild = $ih->createElement($project, $parent, $child->getTag());

            $childWrapper->setProxy($realChild);
            if ($realChild instanceof Task) {
                $realChild->setRuntimeConfigurableWrapper($childWrapper);
            }

            $childWrapper->maybeConfigure($this->project);
            $child->handleChildren($realChild, $childWrapper);
        }
    }

    /**
     * Creates a named task or data type. If the real object is a task,
     * it is configured up to the init() stage.
     *
     * @param  UnknownElement $ue The unknown element to create the real object for.
     *                                 Must not be <code>null</code>.
     * @param  RuntimeConfigurable $w Ignored in this implementation.
     * @throws BuildException
     * @return object              The Task or DataType represented by the given unknown element.
     */
    protected function makeObject(UnknownElement $ue, RuntimeConfigurable $w)
    {
        $o = $this->makeTask($ue, $w, true);
        if ($o === null) {
            $o = $this->project->createDataType($ue->getTag());
        }
        if ($o === null) {
            throw new BuildException(
                "Could not create task/type: '" . $ue->getTag() . "'. Make sure that this class has been declared using taskdef / typedef."
            );
        }
        if ($o instanceof Task) {
            $o->setOwningTarget($this->getOwningTarget());
        }
        if ($o instanceof ProjectComponent) {
            $o->setLocation($this->getLocation());
        }

        return $o;
    }

    /**
     *  Create a named task and configure it up to the init() stage.
     *
     * @param  UnknownElement $ue The unknwon element to create a task from
     * @param  RuntimeConfigurable $w The wrapper object
     * @param  boolean $onTopLevel Whether to treat this task as if it is top-level.
     * @throws BuildException
     * @return Task                The freshly created task
     */
    protected function makeTask(UnknownElement $ue, RuntimeConfigurable $w, $onTopLevel = false)
    protected function makeTask(UnknownElement $ue, /** @scrutinizer ignore-unused */ RuntimeConfigurable $w, $onTopLevel = false)
    {
        $task = $this->project->createTask($ue->getTag());

        if ($task === null) {
            if (!$onTopLevel) {
                throw new BuildException("Could not create task of type: '" . $this->elementName . "'. Make sure that this class has been declared using taskdef.");
            }

            return null;
        }
        $task->setLocation($this->getLocation());
        if ($this->target !== null) {
            $task->setOwningTarget($this->target);
        }
        $task->init();
        return $task;
    }

    /**
     *  Get the name of the task to use in logging messages.
     *
     * @return string The task's name
     */
    public function getTaskName()
    {
        return $this->realThing === null || !$this->realThing instanceof Task
            ? parent::getTaskName()
            : $this->realThing->getTaskName();
    }

    /**
     * Returns the task instance after it has been created and if it is a task.
     *
     * @return Task a task instance or <code>null</code> if the real object is not
     *              a task.
     */
    public function getTask()
    {
        if ($this->realThing instanceof Task) {
            return $this->realThing;
        }
        return null;
    }

    /**
     * Return the configured object
     *
     * @return object the real thing whatever it is
     */
    public function getRealThing()
    {
        return $this->realThing;
    }

    /**
     * Set the configured object
     *
     * @param object $realThing the configured object
     */
    public function setRealThing($realThing)
    {
        $this->realThing = $realThing;
    }
}

phingofficial / phing

Push — master ( d68b8d...e5c614 )

UnknownElement::main() A

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