--- /dev/null
+<?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 MIT license. For more information, see
+ * <http://www.doctrine-project.org>.
+ */
+
+namespace Doctrine\Common\Annotations\Annotation;
+
+/**
+ * Annotation that can be used to signal to the parser
+ * to check the annotation target during the parsing process.
+ *
+ * @author Fabio B. Silva <fabio.bat.silva@gmail.com>
+ *
+ * @Annotation
+ */
+final class Target
+{
+ const TARGET_CLASS = 1;
+ const TARGET_METHOD = 2;
+ const TARGET_PROPERTY = 4;
+ const TARGET_ANNOTATION = 8;
+ const TARGET_ALL = 15;
+
+ /**
+ * @var array
+ */
+ private static $map = array(
+ 'ALL' => self::TARGET_ALL,
+ 'CLASS' => self::TARGET_CLASS,
+ 'METHOD' => self::TARGET_METHOD,
+ 'PROPERTY' => self::TARGET_PROPERTY,
+ 'ANNOTATION' => self::TARGET_ANNOTATION,
+ );
+
+ /**
+ * @var array
+ */
+ public $value;
+
+ /**
+ * Targets as bitmask.
+ *
+ * @var integer
+ */
+ public $targets;
+
+ /**
+ * Literal target declaration.
+ *
+ * @var integer
+ */
+ public $literal;
+
+ /**
+ * Annotation constructor.
+ *
+ * @param array $values
+ *
+ * @throws \InvalidArgumentException
+ */
+ public function __construct(array $values)
+ {
+ if (!isset($values['value'])){
+ $values['value'] = null;
+ }
+ if (is_string($values['value'])){
+ $values['value'] = array($values['value']);
+ }
+ if (!is_array($values['value'])){
+ throw new \InvalidArgumentException(
+ sprintf('@Target expects either a string value, or an array of strings, "%s" given.',
+ is_object($values['value']) ? get_class($values['value']) : gettype($values['value'])
+ )
+ );
+ }
+
+ $bitmask = 0;
+ foreach ($values['value'] as $literal) {
+ if(!isset(self::$map[$literal])){
+ throw new \InvalidArgumentException(
+ sprintf('Invalid Target "%s". Available targets: [%s]',
+ $literal, implode(', ', array_keys(self::$map)))
+ );
+ }
+ $bitmask |= self::$map[$literal];
+ }
+
+ $this->targets = $bitmask;
+ $this->value = $values['value'];
+ $this->literal = implode(', ', $this->value);
+ }
+}