769 lines
30 KiB
PHP
769 lines
30 KiB
PHP
<?php
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/**
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* Parses and verifies the doc comments for files.
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*
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* PHP version 5
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*
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* @category PHP
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @author Marc McIntyre <mmcintyre@squiz.net>
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* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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* @link http://pear.php.net/package/PHP_CodeSniffer
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*/
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if (class_exists('PHP_CodeSniffer_CommentParser_ClassCommentParser', true) === false) {
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throw new PHP_CodeSniffer_Exception('Class PHP_CodeSniffer_CommentParser_ClassCommentParser not found');
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}
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/**
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* Parses and verifies the doc comments for files.
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*
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* Verifies that :
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* <ul>
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* <li>A doc comment exists.</li>
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* <li>There is a blank newline after the short description.</li>
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* <li>There is a blank newline between the long and short description.</li>
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* <li>There is a blank newline between the long description and tags.</li>
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* <li>Check the order of the tags.</li>
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* <li>Check the indentation of each tag.</li>
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* <li>Check required and optional tags and the format of their content.</li>
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* </ul>
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*
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* @category PHP
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* @package PHP_CodeSniffer
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* @author Greg Sherwood <gsherwood@squiz.net>
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* @author Marc McIntyre <mmcintyre@squiz.net>
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* @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
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* @license http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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* @version Release: 1.3.3
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* @link http://pear.php.net/package/PHP_CodeSniffer
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*/
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class PMAStandard_Sniffs_Commenting_FileCommentSniff implements PHP_CodeSniffer_Sniff
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{
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/**
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* The header comment parser for the current file.
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*
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* @var PHP_CodeSniffer_Comment_Parser_ClassCommentParser
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*/
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protected $commentParser = null;
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/**
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* The current PHP_CodeSniffer_File object we are processing.
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*
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* @var PHP_CodeSniffer_File
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*/
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protected $currentFile = null;
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/**
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* Tags in correct order and related info.
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*
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* @var array
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*/
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protected $tags = array(
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'category' => array(
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'required' => false,
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'allow_multiple' => false,
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'order_text' => 'precedes @package',
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),
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'package' => array(
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'required' => true,
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'allow_multiple' => false,
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'order_text' => 'follows @category',
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),
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'subpackage' => array(
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'required' => false,
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'allow_multiple' => false,
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'order_text' => 'follows @package',
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),
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'author' => array(
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'required' => false,
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'allow_multiple' => true,
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'order_text' => 'follows @subpackage (if used) or @package',
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),
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'copyright' => array(
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'required' => false,
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'allow_multiple' => true,
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'order_text' => 'follows @author',
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),
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'license' => array(
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'required' => false,
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'allow_multiple' => false,
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'order_text' => 'follows @copyright (if used) or @author',
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),
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'version' => array(
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'required' => false,
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'allow_multiple' => false,
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'order_text' => 'follows @license',
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),
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'link' => array(
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'required' => false,
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'allow_multiple' => true,
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'order_text' => 'follows @version',
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),
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'see' => array(
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'required' => false,
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'allow_multiple' => true,
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'order_text' => 'follows @link',
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),
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'since' => array(
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'required' => false,
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'allow_multiple' => false,
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'order_text' => 'follows @see (if used) or @link',
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),
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'deprecated' => array(
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'required' => false,
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'allow_multiple' => false,
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'order_text' => 'follows @since (if used) or @see (if used) or @link',
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),
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);
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/**
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* Returns an array of tokens this test wants to listen for.
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*
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* @return array
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*/
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public function register()
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{
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return array(T_OPEN_TAG);
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}//end register()
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/**
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* Processes this test, when one of its tokens is encountered.
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*
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* @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
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* @param int $stackPtr The position of the current token
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* in the stack passed in $tokens.
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*
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* @return void
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*/
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public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
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{
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$this->currentFile = $phpcsFile;
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// We are only interested if this is the first open tag.
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if ($stackPtr !== 0) {
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if ($phpcsFile->findPrevious(T_OPEN_TAG, ($stackPtr - 1)) !== false) {
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return;
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}
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}
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$tokens = $phpcsFile->getTokens();
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// Find the next non whitespace token.
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$commentStart
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= $phpcsFile->findNext(T_WHITESPACE, ($stackPtr + 1), null, true);
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// Allow declare() statements at the top of the file.
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if ($tokens[$commentStart]['code'] === T_DECLARE) {
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$semicolon = $phpcsFile->findNext(T_SEMICOLON, ($commentStart + 1));
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$commentStart
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= $phpcsFile->findNext(T_WHITESPACE, ($semicolon + 1), null, true);
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}
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// Ignore vim header.
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if ($tokens[$commentStart]['code'] === T_COMMENT) {
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if (strstr($tokens[$commentStart]['content'], 'vim:') !== false) {
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$commentStart = $phpcsFile->findNext(
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T_WHITESPACE,
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($commentStart + 1),
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null,
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true
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);
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}
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}
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$errorToken = ($stackPtr + 1);
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if (isset($tokens[$errorToken]) === false) {
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$errorToken--;
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}
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if ($tokens[$commentStart]['code'] === T_CLOSE_TAG) {
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// We are only interested if this is the first open tag.
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return;
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} else if ($tokens[$commentStart]['code'] === T_COMMENT) {
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$error = 'You must use "/**" style comments for a file comment';
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$phpcsFile->addError($error, $errorToken, 'WrongStyle');
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return;
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} else if ($commentStart === false
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|| $tokens[$commentStart]['code'] !== T_DOC_COMMENT
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) {
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$phpcsFile->addError('Missing file doc comment', $errorToken, 'Missing');
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return;
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} else {
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// Extract the header comment docblock.
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$commentEnd = $phpcsFile->findNext(
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T_DOC_COMMENT,
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($commentStart + 1),
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null,
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true
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);
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$commentEnd--;
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// Check if there is only 1 doc comment between the
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// open tag and class token.
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$nextToken = array(
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T_ABSTRACT,
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T_CLASS,
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T_FUNCTION,
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T_DOC_COMMENT,
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);
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$commentNext = $phpcsFile->findNext($nextToken, ($commentEnd + 1));
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if ($commentNext !== false
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&& $tokens[$commentNext]['code'] !== T_DOC_COMMENT
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) {
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// Found a class token right after comment doc block.
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$newlineToken = $phpcsFile->findNext(
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T_WHITESPACE,
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($commentEnd + 1),
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$commentNext,
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false,
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$phpcsFile->eolChar
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);
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if ($newlineToken !== false) {
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$newlineToken = $phpcsFile->findNext(
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T_WHITESPACE,
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($newlineToken + 1),
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$commentNext,
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false,
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$phpcsFile->eolChar
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);
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if ($newlineToken === false) {
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// No blank line between the class token and the doc block.
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// The doc block is most likely a class comment.
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$error = 'Missing file doc comment';
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$phpcsFile->addError($error, $errorToken, 'Missing');
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return;
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}
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}
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}//end if
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$comment = $phpcsFile->getTokensAsString(
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$commentStart,
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($commentEnd - $commentStart + 1)
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);
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// Parse the header comment docblock.
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try {
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$this->commentParser = new PHP_CodeSniffer_CommentParser_ClassCommentParser($comment, $phpcsFile);
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$this->commentParser->parse();
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} catch (PHP_CodeSniffer_CommentParser_ParserException $e) {
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$line = ($e->getLineWithinComment() + $commentStart);
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$phpcsFile->addError($e->getMessage(), $line, 'FailedParse');
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return;
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}
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$comment = $this->commentParser->getComment();
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if (is_null($comment) === true) {
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$error = 'File doc comment is empty';
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$phpcsFile->addError($error, $commentStart, 'Empty');
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return;
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}
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// No extra newline before short description.
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$short = $comment->getShortComment();
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$newlineCount = 0;
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$newlineSpan = strspn($short, $phpcsFile->eolChar);
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if ($short !== '' && $newlineSpan > 0) {
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$error = 'Extra newline(s) found before file comment short description';
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$phpcsFile->addError($error, ($commentStart + 1), 'SpacingBefore');
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}
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$newlineCount = (substr_count($short, $phpcsFile->eolChar) + 1);
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// Exactly one blank line between short and long description.
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$long = $comment->getLongComment();
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if (empty($long) === false) {
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$between = $comment->getWhiteSpaceBetween();
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$newlineBetween = substr_count($between, $phpcsFile->eolChar);
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if ($newlineBetween !== 2) {
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$error = 'There must be exactly one blank line between descriptions in file comment';
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$phpcsFile->addError($error, ($commentStart + $newlineCount + 1), 'DescriptionSpacing');
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}
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$newlineCount += $newlineBetween;
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}
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// Exactly one blank line before tags.
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$tags = $this->commentParser->getTagOrders();
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if (count($tags) > 1) {
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$newlineSpan = $comment->getNewlineAfter();
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if ($newlineSpan !== 2) {
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$error = 'There must be exactly one blank line before the tags in file comment';
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if ($long !== '') {
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$newlineCount += (substr_count($long, $phpcsFile->eolChar) - $newlineSpan + 1);
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}
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$phpcsFile->addError($error, ($commentStart + $newlineCount), 'SpacingBeforeTags');
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$short = rtrim($short, $phpcsFile->eolChar.' ');
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}
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}
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// Check each tag.
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$this->processTags($commentStart, $commentEnd);
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}//end if
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}//end process()
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/**
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* Processes each required or optional tag.
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*
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* @param int $commentStart Position in the stack where the comment started.
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* @param int $commentEnd Position in the stack where the comment ended.
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*
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* @return void
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*/
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protected function processTags($commentStart, $commentEnd)
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{
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$docBlock = (get_class($this) === 'PMAStandard_Sniffs_Commenting_FileCommentSniff') ? 'file' : 'class';
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$foundTags = $this->commentParser->getTagOrders();
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$orderIndex = 0;
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$indentation = array();
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$longestTag = 0;
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$errorPos = 0;
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foreach ($this->tags as $tag => $info) {
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// Required tag missing.
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if ($info['required'] === true && in_array($tag, $foundTags) === false) {
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$error = 'Missing @%s tag in %s comment';
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$data = array(
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$tag,
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$docBlock,
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);
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$this->currentFile->addError($error, $commentEnd, 'MissingTag', $data);
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continue;
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}
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// Get the line number for current tag.
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$tagName = ucfirst($tag);
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if ($info['allow_multiple'] === true) {
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$tagName .= 's';
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}
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$getMethod = 'get'.$tagName;
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$tagElement = $this->commentParser->$getMethod();
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if (is_null($tagElement) === true || empty($tagElement) === true) {
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continue;
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}
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$errorPos = $commentStart;
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if (is_array($tagElement) === false) {
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$errorPos = ($commentStart + $tagElement->getLine());
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}
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// Get the tag order.
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$foundIndexes = array_keys($foundTags, $tag);
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if (count($foundIndexes) > 1) {
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// Multiple occurance not allowed.
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if ($info['allow_multiple'] === false) {
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$error = 'Only 1 @%s tag is allowed in a %s comment';
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$data = array(
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$tag,
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$docBlock,
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);
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$this->currentFile->addError($error, $errorPos, 'DuplicateTag', $data);
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} else {
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// Make sure same tags are grouped together.
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$i = 0;
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$count = $foundIndexes[0];
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foreach ($foundIndexes as $index) {
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if ($index !== $count) {
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$errorPosIndex
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= ($errorPos + $tagElement[$i]->getLine());
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$error = '@%s tags must be grouped together';
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$data = array($tag);
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$this->currentFile->addError($error, $errorPosIndex, 'TagsNotGrouped', $data);
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}
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$i++;
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$count++;
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}
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}
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}//end if
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|
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// Check tag order.
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if ($foundIndexes[0] > $orderIndex) {
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$orderIndex = $foundIndexes[0];
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} else {
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if (is_array($tagElement) === true && empty($tagElement) === false) {
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$errorPos += $tagElement[0]->getLine();
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}
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$error = 'The @%s tag is in the wrong order; the tag %s';
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$data = array(
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$tag,
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$info['order_text'],
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);
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$this->currentFile->addError($error, $errorPos, 'WrongTagOrder', $data);
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}
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|
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// Store the indentation for checking.
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$len = strlen($tag);
|
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if ($len > $longestTag) {
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$longestTag = $len;
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}
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if (is_array($tagElement) === true) {
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foreach ($tagElement as $key => $element) {
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$indentation[] = array(
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'tag' => $tag,
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'space' => $this->getIndentation($tag, $element),
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'line' => $element->getLine(),
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);
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}
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} else {
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$indentation[] = array(
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'tag' => $tag,
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'space' => $this->getIndentation($tag, $tagElement),
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);
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}
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$method = 'process'.$tagName;
|
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if (method_exists($this, $method) === true) {
|
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// Process each tag if a method is defined.
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call_user_func(array($this, $method), $errorPos);
|
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} else {
|
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if (is_array($tagElement) === true) {
|
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foreach ($tagElement as $key => $element) {
|
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$element->process(
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$this->currentFile,
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$commentStart,
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$docBlock
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);
|
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}
|
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} else {
|
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$tagElement->process(
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$this->currentFile,
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$commentStart,
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$docBlock
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);
|
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}
|
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}
|
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}//end foreach
|
|
|
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foreach ($indentation as $indentInfo) {
|
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if ($indentInfo['space'] !== 0
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&& $indentInfo['space'] !== ($longestTag + 1)
|
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) {
|
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$expected = (($longestTag - strlen($indentInfo['tag'])) + 1);
|
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$space = ($indentInfo['space'] - strlen($indentInfo['tag']));
|
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$error = '@%s tag comment indented incorrectly; expected %s spaces but found %s';
|
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$data = array(
|
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$indentInfo['tag'],
|
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$expected,
|
|
$space,
|
|
);
|
|
|
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$getTagMethod = 'get'.ucfirst($indentInfo['tag']);
|
|
|
|
if ($this->tags[$indentInfo['tag']]['allow_multiple'] === true) {
|
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$line = $indentInfo['line'];
|
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} else {
|
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$tagElem = $this->commentParser->$getTagMethod();
|
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$line = $tagElem->getLine();
|
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}
|
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|
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$this->currentFile->addError($error, ($commentStart + $line), 'TagIndent', $data);
|
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}
|
|
}
|
|
|
|
}//end processTags()
|
|
|
|
|
|
/**
|
|
* Get the indentation information of each tag.
|
|
*
|
|
* @param string $tagName The name of the
|
|
* doc comment
|
|
* element.
|
|
* @param PHP_CodeSniffer_CommentParser_DocElement $tagElement The doc comment
|
|
* element.
|
|
*
|
|
* @return string|int
|
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*/
|
|
protected function getIndentation($tagName, $tagElement)
|
|
{
|
|
if ($tagElement instanceof PHP_CodeSniffer_CommentParser_SingleElement) {
|
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if ($tagElement->getContent() !== '') {
|
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return (strlen($tagName) + substr_count($tagElement->getWhitespaceBeforeContent(), ' '));
|
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}
|
|
} else if ($tagElement instanceof PHP_CodeSniffer_CommentParser_PairElement) {
|
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if ($tagElement->getValue() !== '') {
|
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return (strlen($tagName) + substr_count($tagElement->getWhitespaceBeforeValue(), ' '));
|
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}
|
|
}
|
|
|
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return 0;
|
|
|
|
}//end getIndentation()
|
|
|
|
|
|
/**
|
|
* Process the category tag.
|
|
*
|
|
* @param int $errorPos The line number where the error occurs.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processCategory($errorPos)
|
|
{
|
|
$category = $this->commentParser->getCategory();
|
|
if ($category !== null) {
|
|
$content = $category->getContent();
|
|
if ($content !== '') {
|
|
if (PHP_CodeSniffer::isUnderscoreName($content) !== true) {
|
|
$newContent = str_replace(' ', '_', $content);
|
|
$nameBits = explode('_', $newContent);
|
|
$firstBit = array_shift($nameBits);
|
|
$newName = ucfirst($firstBit).'_';
|
|
foreach ($nameBits as $bit) {
|
|
$newName .= ucfirst($bit).'_';
|
|
}
|
|
|
|
$error = 'Category name "%s" is not valid; consider "%s" instead';
|
|
$validName = trim($newName, '_');
|
|
$data = array(
|
|
$content,
|
|
$validName,
|
|
);
|
|
$this->currentFile->addError($error, $errorPos, 'InvalidCategory', $data);
|
|
}
|
|
} else {
|
|
$error = '@category tag must contain a name';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyCategory');
|
|
}
|
|
}
|
|
|
|
}//end processCategory()
|
|
|
|
|
|
/**
|
|
* Process the package tag.
|
|
*
|
|
* @param int $errorPos The line number where the error occurs.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processPackage($errorPos)
|
|
{
|
|
$package = $this->commentParser->getPackage();
|
|
if ($package !== null) {
|
|
$content = $package->getContent();
|
|
if ($content !== '') {
|
|
if (PHP_CodeSniffer::isUnderscoreName($content) !== true) {
|
|
$newContent = str_replace(' ', '_', $content);
|
|
$nameBits = explode('_', $newContent);
|
|
$firstBit = array_shift($nameBits);
|
|
$newName = strtoupper($firstBit{0}).substr($firstBit, 1).'_';
|
|
foreach ($nameBits as $bit) {
|
|
$newName .= strtoupper($bit{0}).substr($bit, 1).'_';
|
|
}
|
|
|
|
$error = 'Package name "%s" is not valid; consider "%s" instead';
|
|
$validName = trim($newName, '_');
|
|
$data = array(
|
|
$content,
|
|
$validName,
|
|
);
|
|
$this->currentFile->addError($error, $errorPos, 'InvalidPackage', $data);
|
|
}
|
|
} else {
|
|
$error = '@package tag must contain a name';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyPackage');
|
|
}
|
|
}
|
|
|
|
}//end processPackage()
|
|
|
|
|
|
/**
|
|
* Process the subpackage tag.
|
|
*
|
|
* @param int $errorPos The line number where the error occurs.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processSubpackage($errorPos)
|
|
{
|
|
$package = $this->commentParser->getSubpackage();
|
|
if ($package !== null) {
|
|
$content = $package->getContent();
|
|
if ($content !== '') {
|
|
if (PHP_CodeSniffer::isUnderscoreName($content) !== true) {
|
|
$newContent = str_replace(' ', '_', $content);
|
|
$nameBits = explode('_', $newContent);
|
|
$firstBit = array_shift($nameBits);
|
|
$newName = strtoupper($firstBit{0}).substr($firstBit, 1).'_';
|
|
foreach ($nameBits as $bit) {
|
|
$newName .= strtoupper($bit{0}).substr($bit, 1).'_';
|
|
}
|
|
|
|
$error = 'Subpackage name "%s" is not valid; consider "%s" instead';
|
|
$validName = trim($newName, '_');
|
|
$data = array(
|
|
$content,
|
|
$validName,
|
|
);
|
|
$this->currentFile->addError($error, $errorPos, 'InvalidSubpackage', $data);
|
|
}
|
|
} else {
|
|
$error = '@subpackage tag must contain a name';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptySubpackage');
|
|
}
|
|
}
|
|
|
|
}//end processSubpackage()
|
|
|
|
|
|
/**
|
|
* Process the author tag(s) that this header comment has.
|
|
*
|
|
* This function is different from other _process functions
|
|
* as $authors is an array of SingleElements, so we work out
|
|
* the errorPos for each element separately
|
|
*
|
|
* @param int $commentStart The position in the stack where
|
|
* the comment started.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processAuthors($commentStart)
|
|
{
|
|
$authors = $this->commentParser->getAuthors();
|
|
// Report missing return.
|
|
if (empty($authors) === false) {
|
|
foreach ($authors as $author) {
|
|
$errorPos = ($commentStart + $author->getLine());
|
|
$content = $author->getContent();
|
|
if ($content !== '') {
|
|
$local = '\da-zA-Z-_+';
|
|
// Dot character cannot be the first or last character
|
|
// in the local-part.
|
|
$localMiddle = $local.'.\w';
|
|
if (preg_match('/^([^<]*)\s+<(['.$local.']['.$localMiddle.']*['.$local.']@[\da-zA-Z][-.\w]*[\da-zA-Z]\.[a-zA-Z]{2,7})>$/', $content) === 0) {
|
|
$error = 'Content of the @author tag must be in the form "Display Name <username@example.com>"';
|
|
$this->currentFile->addError($error, $errorPos, 'InvalidAuthors');
|
|
}
|
|
} else {
|
|
$error = 'Content missing for @author tag in %s comment';
|
|
$docBlock = (get_class($this) === 'PMAStandard_Sniffs_Commenting_FileCommentSniff') ? 'file' : 'class';
|
|
$data = array($docBlock);
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyAuthors', $data);
|
|
}
|
|
}
|
|
}
|
|
|
|
}//end processAuthors()
|
|
|
|
|
|
/**
|
|
* Process the copyright tags.
|
|
*
|
|
* @param int $commentStart The position in the stack where
|
|
* the comment started.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processCopyrights($commentStart)
|
|
{
|
|
$copyrights = $this->commentParser->getCopyrights();
|
|
foreach ($copyrights as $copyright) {
|
|
$errorPos = ($commentStart + $copyright->getLine());
|
|
$content = $copyright->getContent();
|
|
if ($content !== '') {
|
|
$matches = array();
|
|
if (preg_match('/^([0-9]{4})((.{1})([0-9]{4}))? (.+)$/', $content, $matches) !== 0) {
|
|
// Check earliest-latest year order.
|
|
if ($matches[3] !== '') {
|
|
if ($matches[3] !== '-') {
|
|
$error = 'A hyphen must be used between the earliest and latest year';
|
|
$this->currentFile->addError($error, $errorPos, 'CopyrightHyphen');
|
|
}
|
|
|
|
if ($matches[4] !== '' && $matches[4] < $matches[1]) {
|
|
$error = "Invalid year span \"$matches[1]$matches[3]$matches[4]\" found; consider \"$matches[4]-$matches[1]\" instead";
|
|
$this->currentFile->addWarning($error, $errorPos, 'InvalidCopyright');
|
|
}
|
|
}
|
|
} else {
|
|
$error = '@copyright tag must contain a year and the name of the copyright holder';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyCopyright');
|
|
}
|
|
} else {
|
|
$error = '@copyright tag must contain a year and the name of the copyright holder';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyCopyright');
|
|
}//end if
|
|
}//end if
|
|
|
|
}//end processCopyrights()
|
|
|
|
|
|
/**
|
|
* Process the license tag.
|
|
*
|
|
* @param int $errorPos The line number where the error occurs.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processLicense($errorPos)
|
|
{
|
|
$license = $this->commentParser->getLicense();
|
|
if ($license !== null) {
|
|
$value = $license->getValue();
|
|
$comment = $license->getComment();
|
|
if ($value === '' || $comment === '') {
|
|
$error = '@license tag must contain a URL and a license name';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyLicense');
|
|
}
|
|
}
|
|
|
|
}//end processLicense()
|
|
|
|
|
|
/**
|
|
* Process the version tag.
|
|
*
|
|
* @param int $errorPos The line number where the error occurs.
|
|
*
|
|
* @return void
|
|
*/
|
|
protected function processVersion($errorPos)
|
|
{
|
|
$version = $this->commentParser->getVersion();
|
|
if ($version !== null) {
|
|
$content = $version->getContent();
|
|
$matches = array();
|
|
if (empty($content) === true) {
|
|
$error = 'Content missing for @version tag in file comment';
|
|
$this->currentFile->addError($error, $errorPos, 'EmptyVersion');
|
|
} else if (strstr($content, 'CVS:') === false
|
|
&& strstr($content, 'SVN:') === false
|
|
&& strstr($content, 'GIT:') === false
|
|
) {
|
|
$error = 'Invalid version "%s" in file comment; consider "CVS: <cvs_id>" or "SVN: <svn_id>" or "GIT: <git_id>" instead';
|
|
$data = array($content);
|
|
$this->currentFile->addWarning($error, $errorPos, 'InvalidVersion', $data);
|
|
}
|
|
}
|
|
|
|
}//end processVersion()
|
|
|
|
|
|
}//end class
|
|
|
|
?>
|
