update v 1.0.7.5
This commit is contained in:
Sujit Prasad
277
vendor/phpdocumentor/reflection-docblock/src/DocBlockFactory.php
vendored
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277
vendor/phpdocumentor/reflection-docblock/src/DocBlockFactory.php
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<?php
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/**
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* This file is part of 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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* @copyright 2010-2015 Mike van Riel<mike@phpdoc.org>
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* @license http://www.opensource.org/licenses/mit-license.php MIT
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* @link http://phpdoc.org
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*/
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namespace phpDocumentor\Reflection;
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use phpDocumentor\Reflection\DocBlock\DescriptionFactory;
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use phpDocumentor\Reflection\DocBlock\StandardTagFactory;
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use phpDocumentor\Reflection\DocBlock\Tag;
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use phpDocumentor\Reflection\DocBlock\TagFactory;
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use Webmozart\Assert\Assert;
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final class DocBlockFactory implements DocBlockFactoryInterface
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{
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/** @var DocBlock\DescriptionFactory */
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private $descriptionFactory;
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/** @var DocBlock\TagFactory */
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private $tagFactory;
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/**
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* Initializes this factory with the required subcontractors.
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*
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* @param DescriptionFactory $descriptionFactory
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* @param TagFactory $tagFactory
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*/
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public function __construct(DescriptionFactory $descriptionFactory, TagFactory $tagFactory)
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{
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$this->descriptionFactory = $descriptionFactory;
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$this->tagFactory = $tagFactory;
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}
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/**
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* Factory method for easy instantiation.
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*
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* @param string[] $additionalTags
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*
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* @return DocBlockFactory
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*/
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public static function createInstance(array $additionalTags = [])
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{
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$fqsenResolver = new FqsenResolver();
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$tagFactory = new StandardTagFactory($fqsenResolver);
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$descriptionFactory = new DescriptionFactory($tagFactory);
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$tagFactory->addService($descriptionFactory);
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$tagFactory->addService(new TypeResolver($fqsenResolver));
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$docBlockFactory = new self($descriptionFactory, $tagFactory);
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foreach ($additionalTags as $tagName => $tagHandler) {
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$docBlockFactory->registerTagHandler($tagName, $tagHandler);
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}
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return $docBlockFactory;
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}
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/**
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* @param object|string $docblock A string containing the DocBlock to parse or an object supporting the
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* getDocComment method (such as a ReflectionClass object).
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* @param Types\Context $context
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* @param Location $location
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*
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* @return DocBlock
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*/
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public function create($docblock, Types\Context $context = null, Location $location = null)
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{
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if (is_object($docblock)) {
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if (!method_exists($docblock, 'getDocComment')) {
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$exceptionMessage = 'Invalid object passed; the given object must support the getDocComment method';
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throw new \InvalidArgumentException($exceptionMessage);
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}
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$docblock = $docblock->getDocComment();
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}
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Assert::stringNotEmpty($docblock);
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if ($context === null) {
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$context = new Types\Context('');
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}
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$parts = $this->splitDocBlock($this->stripDocComment($docblock));
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list($templateMarker, $summary, $description, $tags) = $parts;
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return new DocBlock(
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$summary,
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$description ? $this->descriptionFactory->create($description, $context) : null,
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array_filter($this->parseTagBlock($tags, $context), function($tag) {
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return $tag instanceof Tag;
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}),
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$context,
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$location,
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$templateMarker === '#@+',
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$templateMarker === '#@-'
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);
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}
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public function registerTagHandler($tagName, $handler)
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{
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$this->tagFactory->registerTagHandler($tagName, $handler);
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}
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/**
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* Strips the asterisks from the DocBlock comment.
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*
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* @param string $comment String containing the comment text.
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*
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* @return string
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*/
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private function stripDocComment($comment)
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{
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$comment = trim(preg_replace('#[ \t]*(?:\/\*\*|\*\/|\*)?[ \t]{0,1}(.*)?#u', '$1', $comment));
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// reg ex above is not able to remove */ from a single line docblock
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if (substr($comment, -2) == '*/') {
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$comment = trim(substr($comment, 0, -2));
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}
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return str_replace(array("\r\n", "\r"), "\n", $comment);
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}
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/**
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* Splits the DocBlock into a template marker, summary, description and block of tags.
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*
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* @param string $comment Comment to split into the sub-parts.
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*
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* @author Richard van Velzen (@_richardJ) Special thanks to Richard for the regex responsible for the split.
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* @author Mike van Riel <me@mikevanriel.com> for extending the regex with template marker support.
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*
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* @return string[] containing the template marker (if any), summary, description and a string containing the tags.
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*/
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private function splitDocBlock($comment)
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{
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// Performance improvement cheat: if the first character is an @ then only tags are in this DocBlock. This
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// method does not split tags so we return this verbatim as the fourth result (tags). This saves us the
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// performance impact of running a regular expression
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if (strpos($comment, '@') === 0) {
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return array('', '', '', $comment);
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}
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// clears all extra horizontal whitespace from the line endings to prevent parsing issues
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$comment = preg_replace('/\h*$/Sum', '', $comment);
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/*
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* Splits the docblock into a template marker, summary, description and tags section.
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*
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* - The template marker is empty, #@+ or #@- if the DocBlock starts with either of those (a newline may
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* occur after it and will be stripped).
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* - The short description is started from the first character until a dot is encountered followed by a
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* newline OR two consecutive newlines (horizontal whitespace is taken into account to consider spacing
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* errors). This is optional.
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* - The long description, any character until a new line is encountered followed by an @ and word
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* characters (a tag). This is optional.
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* - Tags; the remaining characters
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*
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* Big thanks to RichardJ for contributing this Regular Expression
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*/
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preg_match(
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'/
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\A
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# 1. Extract the template marker
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(?:(\#\@\+|\#\@\-)\n?)?
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# 2. Extract the summary
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(?:
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(?! @\pL ) # The summary may not start with an @
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(
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[^\n.]+
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(?:
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(?! \. \n | \n{2} ) # End summary upon a dot followed by newline or two newlines
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[\n.] (?! [ \t]* @\pL ) # End summary when an @ is found as first character on a new line
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[^\n.]+ # Include anything else
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)*
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\.?
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)?
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)
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# 3. Extract the description
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(?:
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\s* # Some form of whitespace _must_ precede a description because a summary must be there
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(?! @\pL ) # The description may not start with an @
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(
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[^\n]+
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(?: \n+
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(?! [ \t]* @\pL ) # End description when an @ is found as first character on a new line
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[^\n]+ # Include anything else
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)*
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)
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)?
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# 4. Extract the tags (anything that follows)
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(\s+ [\s\S]*)? # everything that follows
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/ux',
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$comment,
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$matches
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);
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array_shift($matches);
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while (count($matches) < 4) {
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$matches[] = '';
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}
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return $matches;
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}
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/**
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* Creates the tag objects.
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*
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* @param string $tags Tag block to parse.
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* @param Types\Context $context Context of the parsed Tag
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*
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* @return DocBlock\Tag[]
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*/
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private function parseTagBlock($tags, Types\Context $context)
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{
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$tags = $this->filterTagBlock($tags);
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if (!$tags) {
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return [];
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}
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$result = $this->splitTagBlockIntoTagLines($tags);
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foreach ($result as $key => $tagLine) {
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$result[$key] = $this->tagFactory->create(trim($tagLine), $context);
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}
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return $result;
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}
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/**
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* @param string $tags
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*
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* @return string[]
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*/
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private function splitTagBlockIntoTagLines($tags)
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{
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$result = array();
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foreach (explode("\n", $tags) as $tag_line) {
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if (isset($tag_line[0]) && ($tag_line[0] === '@')) {
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$result[] = $tag_line;
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} else {
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$result[count($result) - 1] .= "\n" . $tag_line;
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}
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}
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return $result;
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}
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/**
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* @param $tags
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* @return string
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*/
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private function filterTagBlock($tags)
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{
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$tags = trim($tags);
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if (!$tags) {
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return null;
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}
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if ('@' !== $tags[0]) {
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// @codeCoverageIgnoreStart
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// Can't simulate this; this only happens if there is an error with the parsing of the DocBlock that
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// we didn't foresee.
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throw new \LogicException('A tag block started with text instead of an at-sign(@): ' . $tags);
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// @codeCoverageIgnoreEnd
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}
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return $tags;
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}
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}
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