Mercurial > hg > isophonics-drupal-site
diff vendor/phpdocumentor/reflection-docblock/src/phpDocumentor/Reflection/DocBlock.php @ 0:4c8ae668cc8c
Initial import (non-working)
author | Chris Cannam |
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date | Wed, 29 Nov 2017 16:09:58 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/vendor/phpdocumentor/reflection-docblock/src/phpDocumentor/Reflection/DocBlock.php Wed Nov 29 16:09:58 2017 +0000 @@ -0,0 +1,468 @@ +<?php +/** + * phpDocumentor + * + * PHP Version 5.3 + * + * @author Mike van Riel <mike.vanriel@naenius.com> + * @copyright 2010-2011 Mike van Riel / Naenius (http://www.naenius.com) + * @license http://www.opensource.org/licenses/mit-license.php MIT + * @link http://phpdoc.org + */ + +namespace phpDocumentor\Reflection; + +use phpDocumentor\Reflection\DocBlock\Tag; +use phpDocumentor\Reflection\DocBlock\Context; +use phpDocumentor\Reflection\DocBlock\Location; + +/** + * Parses the DocBlock for any structure. + * + * @author Mike van Riel <mike.vanriel@naenius.com> + * @license http://www.opensource.org/licenses/mit-license.php MIT + * @link http://phpdoc.org + */ +class DocBlock implements \Reflector +{ + /** @var string The opening line for this docblock. */ + protected $short_description = ''; + + /** + * @var DocBlock\Description The actual + * description for this docblock. + */ + protected $long_description = null; + + /** + * @var Tag[] An array containing all + * the tags in this docblock; except inline. + */ + protected $tags = array(); + + /** @var Context Information about the context of this DocBlock. */ + protected $context = null; + + /** @var Location Information about the location of this DocBlock. */ + protected $location = null; + + /** @var bool Is this DocBlock (the start of) a template? */ + protected $isTemplateStart = false; + + /** @var bool Does this DocBlock signify the end of a DocBlock template? */ + protected $isTemplateEnd = false; + + /** + * Parses the given docblock and populates the member fields. + * + * The constructor may also receive namespace information such as the + * current namespace and aliases. This information is used by some tags + * (e.g. @return, @param, etc.) to turn a relative Type into a FQCN. + * + * @param \Reflector|string $docblock A docblock comment (including + * asterisks) or reflector supporting the getDocComment method. + * @param Context $context The context in which the DocBlock + * occurs. + * @param Location $location The location within the file that this + * DocBlock occurs in. + * + * @throws \InvalidArgumentException if the given argument does not have the + * getDocComment method. + */ + public function __construct( + $docblock, + Context $context = null, + Location $location = null + ) { + if (is_object($docblock)) { + if (!method_exists($docblock, 'getDocComment')) { + throw new \InvalidArgumentException( + 'Invalid object passed; the given reflector must support ' + . 'the getDocComment method' + ); + } + + $docblock = $docblock->getDocComment(); + } + + $docblock = $this->cleanInput($docblock); + + list($templateMarker, $short, $long, $tags) = $this->splitDocBlock($docblock); + $this->isTemplateStart = $templateMarker === '#@+'; + $this->isTemplateEnd = $templateMarker === '#@-'; + $this->short_description = $short; + $this->long_description = new DocBlock\Description($long, $this); + $this->parseTags($tags); + + $this->context = $context; + $this->location = $location; + } + + /** + * Strips the asterisks from the DocBlock comment. + * + * @param string $comment String containing the comment text. + * + * @return string + */ + protected function cleanInput($comment) + { + $comment = trim( + preg_replace( + '#[ \t]*(?:\/\*\*|\*\/|\*)?[ \t]{0,1}(.*)?#u', + '$1', + $comment + ) + ); + + // reg ex above is not able to remove */ from a single line docblock + if (substr($comment, -2) == '*/') { + $comment = trim(substr($comment, 0, -2)); + } + + // normalize strings + $comment = str_replace(array("\r\n", "\r"), "\n", $comment); + + return $comment; + } + + /** + * Splits the DocBlock into a template marker, summary, description and block of tags. + * + * @param string $comment Comment to split into the sub-parts. + * + * @author Richard van Velzen (@_richardJ) Special thanks to Richard for the regex responsible for the split. + * @author Mike van Riel <me@mikevanriel.com> for extending the regex with template marker support. + * + * @return string[] containing the template marker (if any), summary, description and a string containing the tags. + */ + protected function splitDocBlock($comment) + { + // Performance improvement cheat: if the first character is an @ then only tags are in this DocBlock. This + // method does not split tags so we return this verbatim as the fourth result (tags). This saves us the + // performance impact of running a regular expression + if (strpos($comment, '@') === 0) { + return array('', '', '', $comment); + } + + // clears all extra horizontal whitespace from the line endings to prevent parsing issues + $comment = preg_replace('/\h*$/Sum', '', $comment); + + /* + * Splits the docblock into a template marker, short description, long description and tags section + * + * - The template marker is empty, #@+ or #@- if the DocBlock starts with either of those (a newline may + * occur after it and will be stripped). + * - The short description is started from the first character until a dot is encountered followed by a + * newline OR two consecutive newlines (horizontal whitespace is taken into account to consider spacing + * errors). This is optional. + * - The long description, any character until a new line is encountered followed by an @ and word + * characters (a tag). This is optional. + * - Tags; the remaining characters + * + * Big thanks to RichardJ for contributing this Regular Expression + */ + preg_match( + '/ + \A + # 1. Extract the template marker + (?:(\#\@\+|\#\@\-)\n?)? + + # 2. Extract the summary + (?: + (?! @\pL ) # The summary may not start with an @ + ( + [^\n.]+ + (?: + (?! \. \n | \n{2} ) # End summary upon a dot followed by newline or two newlines + [\n.] (?! [ \t]* @\pL ) # End summary when an @ is found as first character on a new line + [^\n.]+ # Include anything else + )* + \.? + )? + ) + + # 3. Extract the description + (?: + \s* # Some form of whitespace _must_ precede a description because a summary must be there + (?! @\pL ) # The description may not start with an @ + ( + [^\n]+ + (?: \n+ + (?! [ \t]* @\pL ) # End description when an @ is found as first character on a new line + [^\n]+ # Include anything else + )* + ) + )? + + # 4. Extract the tags (anything that follows) + (\s+ [\s\S]*)? # everything that follows + /ux', + $comment, + $matches + ); + array_shift($matches); + + while (count($matches) < 4) { + $matches[] = ''; + } + + return $matches; + } + + /** + * Creates the tag objects. + * + * @param string $tags Tag block to parse. + * + * @return void + */ + protected function parseTags($tags) + { + $result = array(); + $tags = trim($tags); + if ('' !== $tags) { + if ('@' !== $tags[0]) { + throw new \LogicException( + 'A tag block started with text instead of an actual tag,' + . ' this makes the tag block invalid: ' . $tags + ); + } + foreach (explode("\n", $tags) as $tag_line) { + if (isset($tag_line[0]) && ($tag_line[0] === '@')) { + $result[] = $tag_line; + } else { + $result[count($result) - 1] .= "\n" . $tag_line; + } + } + + // create proper Tag objects + foreach ($result as $key => $tag_line) { + $result[$key] = Tag::createInstance(trim($tag_line), $this); + } + } + + $this->tags = $result; + } + + /** + * Gets the text portion of the doc block. + * + * Gets the text portion (short and long description combined) of the doc + * block. + * + * @return string The text portion of the doc block. + */ + public function getText() + { + $short = $this->getShortDescription(); + $long = $this->getLongDescription()->getContents(); + + if ($long) { + return "{$short}\n\n{$long}"; + } else { + return $short; + } + } + + /** + * Set the text portion of the doc block. + * + * Sets the text portion (short and long description combined) of the doc + * block. + * + * @param string $docblock The new text portion of the doc block. + * + * @return $this This doc block. + */ + public function setText($comment) + { + list(,$short, $long) = $this->splitDocBlock($comment); + $this->short_description = $short; + $this->long_description = new DocBlock\Description($long, $this); + return $this; + } + /** + * Returns the opening line or also known as short description. + * + * @return string + */ + public function getShortDescription() + { + return $this->short_description; + } + + /** + * Returns the full description or also known as long description. + * + * @return DocBlock\Description + */ + public function getLongDescription() + { + return $this->long_description; + } + + /** + * Returns whether this DocBlock is the start of a Template section. + * + * A Docblock may serve as template for a series of subsequent DocBlocks. This is indicated by a special marker + * (`#@+`) that is appended directly after the opening `/**` of a DocBlock. + * + * An example of such an opening is: + * + * ``` + * /**#@+ + * * My DocBlock + * * / + * ``` + * + * The description and tags (not the summary!) are copied onto all subsequent DocBlocks and also applied to all + * elements that follow until another DocBlock is found that contains the closing marker (`#@-`). + * + * @see self::isTemplateEnd() for the check whether a closing marker was provided. + * + * @return boolean + */ + public function isTemplateStart() + { + return $this->isTemplateStart; + } + + /** + * Returns whether this DocBlock is the end of a Template section. + * + * @see self::isTemplateStart() for a more complete description of the Docblock Template functionality. + * + * @return boolean + */ + public function isTemplateEnd() + { + return $this->isTemplateEnd; + } + + /** + * Returns the current context. + * + * @return Context + */ + public function getContext() + { + return $this->context; + } + + /** + * Returns the current location. + * + * @return Location + */ + public function getLocation() + { + return $this->location; + } + + /** + * Returns the tags for this DocBlock. + * + * @return Tag[] + */ + public function getTags() + { + return $this->tags; + } + + /** + * Returns an array of tags matching the given name. If no tags are found + * an empty array is returned. + * + * @param string $name String to search by. + * + * @return Tag[] + */ + public function getTagsByName($name) + { + $result = array(); + + /** @var Tag $tag */ + foreach ($this->getTags() as $tag) { + if ($tag->getName() != $name) { + continue; + } + + $result[] = $tag; + } + + return $result; + } + + /** + * Checks if a tag of a certain type is present in this DocBlock. + * + * @param string $name Tag name to check for. + * + * @return bool + */ + public function hasTag($name) + { + /** @var Tag $tag */ + foreach ($this->getTags() as $tag) { + if ($tag->getName() == $name) { + return true; + } + } + + return false; + } + + /** + * Appends a tag at the end of the list of tags. + * + * @param Tag $tag The tag to add. + * + * @return Tag The newly added tag. + * + * @throws \LogicException When the tag belongs to a different DocBlock. + */ + public function appendTag(Tag $tag) + { + if (null === $tag->getDocBlock()) { + $tag->setDocBlock($this); + } + + if ($tag->getDocBlock() === $this) { + $this->tags[] = $tag; + } else { + throw new \LogicException( + 'This tag belongs to a different DocBlock object.' + ); + } + + return $tag; + } + + + /** + * Builds a string representation of this object. + * + * @todo determine the exact format as used by PHP Reflection and + * implement it. + * + * @return string + * @codeCoverageIgnore Not yet implemented + */ + public static function export() + { + throw new \Exception('Not yet implemented'); + } + + /** + * Returns the exported information (we should use the export static method + * BUT this throws an exception at this point). + * + * @return string + * @codeCoverageIgnore Not yet implemented + */ + public function __toString() + { + return 'Not yet implemented'; + } +}