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<?php
/**
* A class to represent param tags within a function comment.
*
* PHP version 5
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version CVS: $Id: ParameterElement.php,v 1.14 2008/12/02 02:38:33 squiz Exp $
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
if (class_exists('PHP_CodeSniffer_CommentParser_AbstractDocElement', true) === false) {
$error = 'Class PHP_CodeSniffer_CommentParser_AbstractDocElement not found';
throw new PHP_CodeSniffer_Exception($error);
}
/**
* A class to represent param tags within a function comment.
*
* @category PHP
* @package PHP_CodeSniffer
* @author Greg Sherwood <gsherwood@squiz.net>
* @author Marc McIntyre <mmcintyre@squiz.net>
* @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
* @version Release: 1.2.0RC1
* @link http://pear.php.net/package/PHP_CodeSniffer
*/
class PHP_CodeSniffer_CommentParser_ParameterElement extends PHP_CodeSniffer_CommentParser_AbstractDocElement
{
/**
* The variable name of this parameter name, including the $ sign.
*
* @var string
*/
private $_varName = '';
/**
* The comment of this parameter tag.
*
* @var string
*/
private $_comment = '';
/**
* The variable type of this parameter tag.
*
* @var string
*/
private $_type = '';
/**
* The whitespace that exists before the variable name.
*
* @var string
*/
private $_varNameWhitespace = '';
/**
* The whitespace that exists before the comment.
*
* @var string
*/
private $_commentWhitespace = null;
/**
* The whitespace that exists before the variable type.
*
* @var string
*/
private $_typeWhitespace = '';
/**
* Constructs a PHP_CodeSniffer_CommentParser_ParameterElement.
*
* @param PHP_CodeSniffer_CommentParser_DocElement $previousElement The element
* previous to
* this one.
* @param array $tokens The tokens
* that make up
* this element.
* @param PHP_CodeSniffer_File $phpcsFile The file that
* this element
* is in.
*/
public function __construct(
$previousElement,
$tokens,
PHP_CodeSniffer_File $phpcsFile
) {
parent::__construct($previousElement, $tokens, 'param', $phpcsFile);
// Handle special variable type: array(x => y).
$type = strtolower($this->_type);
if ($this->_varName === '=>' && strpos($type, 'array(') !== false) {
$rawContent = $this->getRawContent();
$matches = array();
$pattern = '/^(\s+)(array\(.*\))(\s+)(\$\S*)(\s+)(.*)/i';
if (preg_match($pattern, $rawContent, $matches) !== 0) {
// Process the sub elements correctly for this special case.
if (count($matches) === 7) {
$this->processSubElement('type', $matches[2], $matches[1]);
$this->processSubElement('varName', $matches[4], $matches[3]);
$this->processSubElement('comment', $matches[6], $matches[5]);
}
}
}
}//end __construct()
/**
* Returns the element names that this tag is comprised of, in the order
* that they appear in the tag.
*
* @return array(string)
* @see processSubElement()
*/
protected function getSubElements()
{
return array(
'type',
'varName',
'comment',
);
}//end getSubElements()
/**
* Processes the sub element with the specified name.
*
* @param string $name The name of the sub element to process.
* @param string $content The content of this sub element.
* @param string $beforeWhitespace The whitespace that exists before the
* sub element.
*
* @return void
* @see getSubElements()
*/
protected function processSubElement($name, $content, $beforeWhitespace)
{
$element = '_'.$name;
$whitespace = $element.'Whitespace';
$this->$element = $content;
$this->$whitespace = $beforeWhitespace;
}//end processSubElement()
/**
* Returns the variable name that this parameter tag represents.
*
* @return string
*/
public function getVarName()
{
return $this->_varName;
}//end getVarName()
/**
* Returns the variable type that this string represents.
*
* @return string
*/
public function getType()
{
return $this->_type;
}//end getType()
/**
* Returns the comment of this comment for this parameter.
*
* @return string
*/
public function getComment()
{
return $this->_comment;
}//end getComment()
/**
* Returns the whitespace before the variable type.
*
* @return stirng
* @see getWhiteSpaceBeforeVarName()
* @see getWhiteSpaceBeforeComment()
*/
public function getWhiteSpaceBeforeType()
{
return $this->_typeWhitespace;
}//end getWhiteSpaceBeforeType()
/**
* Returns the whitespace before the variable name.
*
* @return string
* @see getWhiteSpaceBeforeComment()
* @see getWhiteSpaceBeforeType()
*/
public function getWhiteSpaceBeforeVarName()
{
return $this->_varNameWhitespace;
}//end getWhiteSpaceBeforeVarName()
/**
* Returns the whitespace before the comment.
*
* @return string
* @see getWhiteSpaceBeforeVarName()
* @see getWhiteSpaceBeforeType()
*/
public function getWhiteSpaceBeforeComment()
{
return $this->_commentWhitespace;
}//end getWhiteSpaceBeforeComment()
/**
* Returns the postition of this parameter are it appears in the comment.
*
* This method differs from getOrder as it is only relative to method
* parameters.
*
* @return int
*/
public function getPosition()
{
if (($this->getPreviousElement() instanceof PHP_CodeSniffer_CommentParser_ParameterElement) === false) {
return 1;
} else {
return ($this->getPreviousElement()->getPosition() + 1);
}
}//end getPosition()
/**
* Returns true if this parameter's variable aligns with the other's.
*
* @param PHP_CodeSniffer_CommentParser_ParameterElement $other The other param
* to check
* alignment with.
*
* @return boolean
*/
public function alignsVariableWith(
PHP_CodeSniffer_CommentParser_ParameterElement $other
) {
// Format is:
// @param type $variable Comment.
// @param <-a-><---b---->
// Compares the index before param variable.
$otherVar = (strlen($other->_type) + strlen($other->_varNameWhitespace));
$thisVar = (strlen($this->_type) + strlen($this->_varNameWhitespace));
if ($otherVar !== $thisVar) {
return false;
}
return true;
}//end alignsVariableWith()
/**
* Returns true if this parameter's comment aligns with the other's.
*
* @param PHP_CodeSniffer_CommentParser_ParameterElement $other The other param
* to check
* alignment with.
*
* @return boolean
*/
public function alignsCommentWith(
PHP_CodeSniffer_CommentParser_ParameterElement $other
) {
// Compares the index before param comment.
$otherComment
= (strlen($other->_varName) + strlen($other->_commentWhitespace));
$thisComment
= (strlen($this->_varName) + strlen($this->_commentWhitespace));
if ($otherComment !== $thisComment) {
return false;
}
return true;
}//end alignsCommentWith()
/**
* Returns true if this parameter aligns with the other paramter.
*
* @param PHP_CodeSniffer_CommentParser_ParameterElement $other The other param
* to check
* alignment with.
*
* @return boolean
*/
public function alignsWith(PHP_CodeSniffer_CommentParser_ParameterElement $other)
{
if ($this->alignsVariableWith($other) === false) {
return false;
}
if ($this->alignsCommentWith($other) === false) {
return false;
}
return true;
}//end alignsWith()
}//end class
?>