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<?php |
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declare(strict_types=1); |
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/** |
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* phpDocumentor |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @link http://phpdoc.org |
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*/ |
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namespace phpDocumentor\GraphViz; |
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use function addslashes; |
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use function implode; |
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use function strtolower; |
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use function substr; |
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/** |
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* Class representing a node / element in a graph. |
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* |
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* @link http://phpdoc.org |
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* |
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* @method void setLabel(string $name) Sets the label for this node. |
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*/ |
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class Node |
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{ |
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use Attributes; |
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/** @var string Name for this node */ |
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protected $name = ''; |
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/** |
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* Creates a new node with name and optional label. |
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* |
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* @param string $name Name of the new node. |
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* @param string|null $label Optional label text. |
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*/ |
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public function __construct(string $name, ?string $label = null) |
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{ |
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$this->setName($name); |
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if ($label === null) { |
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return; |
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} |
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$this->setLabel($label); |
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} |
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/** |
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* Factory method used to assist with fluent interface handling. |
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* |
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* See the examples for more details. |
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* |
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* @param string $name Name of the new node. |
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* @param string|null $label Optional label text. |
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*/ |
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public static function create(string $name, ?string $label = null) : self |
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{ |
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return new self($name, $label); |
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} |
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/** |
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* Sets the name for this node. |
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* |
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* Not to confuse with the label. |
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* |
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* @param string $name Name for this node. |
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*/ |
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public function setName(string $name) : self |
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{ |
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$this->name = $name; |
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return $this; |
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} |
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/** |
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* Returns the name for this node. |
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*/ |
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public function getName() : string |
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{ |
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return $this->name; |
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} |
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/** |
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* Magic method to provide a getter/setter to add attributes on the Node. |
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* |
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* Using this method we make sure that we support any attribute without |
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* too much hassle. If the name for this method does not start with get or |
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* set we return null. |
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* |
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* Set methods return this graph (fluent interface) whilst get methods |
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* return the attribute value. |
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* |
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* @param string $name Method name; either getX or setX is expected. |
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* @param mixed[] $arguments List of arguments; only 1 is expected for setX. |
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* |
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* @return Attribute|Node|null |
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* |
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* @throws AttributeNotFound |
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*/ |
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public function __call(string $name, array $arguments) |
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{ |
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$key = strtolower(substr($name, 3)); |
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if (strtolower(substr($name, 0, 3)) === 'set') { |
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return $this->setAttribute($key, (string) $arguments[0]); |
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} |
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if (strtolower(substr($name, 0, 3)) === 'get') { |
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return $this->getAttribute($key); |
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} |
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return null; |
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} |
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/** |
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* Returns the node definition as is requested by GraphViz. |
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*/ |
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public function __toString() : string |
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{ |
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$attributes = []; |
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foreach ($this->attributes as $value) { |
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$attributes[] = (string) $value; |
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} |
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$attributes = implode("\n", $attributes); |
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$name = addslashes($this->getName()); |
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return <<<DOT |
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"{$name}" [ |
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${attributes} |
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] |
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DOT; |
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} |
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} |
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phpDocumentor /
GraphViz
