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@ -0,0 +1,353 @@
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<?php
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/**
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* Ensure multi-line function declarations are defined correctly.
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* Copy from PHP_CodeSniffer\Standards\PEAR\Sniffs\Functions\FunctionDeclarationSniff
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*
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*/
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namespace MailPoet\Sniffs;
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use PHP_CodeSniffer\Files\File;
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use PHP_CodeSniffer\Sniffs\Sniff;
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use PHP_CodeSniffer\Util\Tokens;
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class FunctionDeclarationSniff implements Sniff {
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/**
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* A list of tokenizers this sniff supports.
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*
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* @var array
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*/
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public $supportedTokenizers = [
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'PHP',
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'JS',
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];
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/**
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* The number of spaces code should be indented.
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*
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* @var int
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*/
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public $indent = 2;
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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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return [
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T_FUNCTION,
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T_CLOSURE,
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];
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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\Files\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(File $phpcsFile, $stackPtr) {
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$tokens = $phpcsFile->getTokens();
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if (isset($tokens[$stackPtr]['parenthesis_opener']) === false
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|| isset($tokens[$stackPtr]['parenthesis_closer']) === false
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|| $tokens[$stackPtr]['parenthesis_opener'] === null
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|| $tokens[$stackPtr]['parenthesis_closer'] === null
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) {
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return;
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}
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$openBracket = $tokens[$stackPtr]['parenthesis_opener'];
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if ($this->isMultiLineDeclaration($phpcsFile, $stackPtr, $openBracket, $tokens) === true) {
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$this->processMultiLineDeclaration($phpcsFile, $stackPtr, $tokens);
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} else {
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$this->processSingleLineDeclaration($phpcsFile, $stackPtr, $tokens);
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}
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}//end process()
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/**
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* Determine if this is a multi-line function declaration.
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*
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* @param \PHP_CodeSniffer\Files\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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* @param int $openBracket The position of the opening bracket
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* in the stack passed in $tokens.
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* @param array $tokens The stack of tokens that make up
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* the file.
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*
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* @return bool
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*/
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public function isMultiLineDeclaration($phpcsFile, $stackPtr, $openBracket, $tokens) {
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$closeBracket = $tokens[$openBracket]['parenthesis_closer'];
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if ($tokens[$openBracket]['line'] !== $tokens[$closeBracket]['line']) {
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return true;
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}
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return false;
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}//end isMultiLineDeclaration()
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/**
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* Processes single-line declarations.
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*
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* Just uses the Generic BSD-Allman brace sniff.
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*
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* @param \PHP_CodeSniffer\Files\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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* @param array $tokens The stack of tokens that make up
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* the file.
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*
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* @return void
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*/
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public function processSingleLineDeclaration($phpcsFile, $stackPtr, $tokens) {
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}//end processSingleLineDeclaration()
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/**
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* Processes multi-line declarations.
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*
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* @param \PHP_CodeSniffer\Files\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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* @param array $tokens The stack of tokens that make up
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* the file.
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*
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* @return void
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*/
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public function processMultiLineDeclaration($phpcsFile, $stackPtr, $tokens) {
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$this->processArgumentList($phpcsFile, $stackPtr, $this->indent);
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$closeBracket = $tokens[$stackPtr]['parenthesis_closer'];
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if ($tokens[$stackPtr]['code'] === T_CLOSURE) {
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$use = $phpcsFile->findNext(T_USE, ($closeBracket + 1), $tokens[$stackPtr]['scope_opener']);
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if ($use !== false) {
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$open = $phpcsFile->findNext(T_OPEN_PARENTHESIS, ($use + 1));
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$closeBracket = $tokens[$open]['parenthesis_closer'];
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}
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}
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if (isset($tokens[$stackPtr]['scope_opener']) === false) {
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return;
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}
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// The opening brace needs to be one space away from the closing parenthesis.
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$opener = $tokens[$stackPtr]['scope_opener'];
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if ($tokens[$opener]['line'] !== $tokens[$closeBracket]['line']) {
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$error = 'The closing parenthesis and the opening brace of a multi-line function declaration must be on the same line';
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$fix = $phpcsFile->addFixableError($error, $opener, 'NewlineBeforeOpenBrace');
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if ($fix === true) {
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$prev = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($opener - 1), $closeBracket, true);
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$phpcsFile->fixer->beginChangeset();
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$phpcsFile->fixer->addContent($prev, ' {');
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// If the opener is on a line by itself, removing it will create
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// an empty line, so just remove the entire line instead.
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$prev = $phpcsFile->findPrevious(T_WHITESPACE, ($opener - 1), $closeBracket, true);
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$next = $phpcsFile->findNext(T_WHITESPACE, ($opener + 1), null, true);
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if ($tokens[$prev]['line'] < $tokens[$opener]['line']
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&& $tokens[$next]['line'] > $tokens[$opener]['line']
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) {
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// Clear the whole line.
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for ($i = ($prev + 1); $i < $next; $i++) {
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if ($tokens[$i]['line'] === $tokens[$opener]['line']) {
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$phpcsFile->fixer->replaceToken($i, '');
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}
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}
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} else {
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// Just remove the opener.
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$phpcsFile->fixer->replaceToken($opener, '');
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if ($tokens[$next]['line'] === $tokens[$opener]['line']) {
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$phpcsFile->fixer->replaceToken(($opener + 1), '');
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}
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}
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$phpcsFile->fixer->endChangeset();
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}//end if
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} else {
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$prev = $tokens[($opener - 1)];
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if ($prev['code'] !== T_WHITESPACE) {
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$length = 0;
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} else {
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$length = strlen($prev['content']);
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}
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if ($length !== 1) {
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$error = 'There must be a single space between the closing parenthesis and the opening brace of a multi-line function declaration; found %s spaces';
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$fix = $phpcsFile->addFixableError($error, ($opener - 1), 'SpaceBeforeOpenBrace', [$length]);
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if ($fix === true) {
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if ($length === 0) {
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$phpcsFile->fixer->addContentBefore($opener, ' ');
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} else {
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$phpcsFile->fixer->replaceToken(($opener - 1), ' ');
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}
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}
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return;
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}//end if
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}//end if
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}//end processMultiLineDeclaration()
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/**
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* Processes multi-line argument list declarations.
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*
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* @param \PHP_CodeSniffer\Files\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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* @param int $indent The number of spaces code should be indented.
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* @param string $type The type of the token the brackets
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* belong to.
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*
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* @return void
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*/
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public function processArgumentList($phpcsFile, $stackPtr, $indent, $type='function') {
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$tokens = $phpcsFile->getTokens();
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// We need to work out how far indented the function
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// declaration itself is, so we can work out how far to
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// indent parameters.
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$functionIndent = 0;
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for ($i = ($stackPtr - 1); $i >= 0; $i--) {
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if ($tokens[$i]['line'] !== $tokens[$stackPtr]['line']) {
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break;
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}
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}
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// Move $i back to the line the function is or to 0.
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$i++;
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if ($tokens[$i]['code'] === T_WHITESPACE) {
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$functionIndent = $tokens[$i]['length'];
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}
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// The closing parenthesis must be on a new line, even
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// when checking abstract function definitions.
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$closeBracket = $tokens[$stackPtr]['parenthesis_closer'];
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$prev = $phpcsFile->findPrevious(
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T_WHITESPACE,
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($closeBracket - 1),
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null,
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true
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);
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if ($tokens[$closeBracket]['line'] !== $tokens[$tokens[$closeBracket]['parenthesis_opener']]['line']
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&& $tokens[$prev]['line'] === $tokens[$closeBracket]['line']
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) {
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$error = 'The closing parenthesis of a multi-line ' . $type . ' declaration must be on a new line';
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$fix = $phpcsFile->addFixableError($error, $closeBracket, 'CloseBracketLine');
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if ($fix === true) {
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$phpcsFile->fixer->addNewlineBefore($closeBracket);
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}
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}
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// If this is a closure and is using a USE statement, the closing
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// parenthesis we need to look at from now on is the closing parenthesis
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// of the USE statement.
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if ($tokens[$stackPtr]['code'] === T_CLOSURE) {
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$use = $phpcsFile->findNext(T_USE, ($closeBracket + 1), $tokens[$stackPtr]['scope_opener']);
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if ($use !== false) {
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$open = $phpcsFile->findNext(T_OPEN_PARENTHESIS, ($use + 1));
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$closeBracket = $tokens[$open]['parenthesis_closer'];
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$prev = $phpcsFile->findPrevious(
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T_WHITESPACE,
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($closeBracket - 1),
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null,
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true
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);
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if ($tokens[$closeBracket]['line'] !== $tokens[$tokens[$closeBracket]['parenthesis_opener']]['line']
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&& $tokens[$prev]['line'] === $tokens[$closeBracket]['line']
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) {
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$error = 'The closing parenthesis of a multi-line use declaration must be on a new line';
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$fix = $phpcsFile->addFixableError($error, $closeBracket, 'UseCloseBracketLine');
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if ($fix === true) {
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$phpcsFile->fixer->addNewlineBefore($closeBracket);
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}
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}
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}//end if
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}//end if
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// Each line between the parenthesis should be indented 4 spaces.
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$openBracket = $tokens[$stackPtr]['parenthesis_opener'];
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$lastLine = $tokens[$openBracket]['line'];
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for ($i = ($openBracket + 1); $i < $closeBracket; $i++) {
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if ($tokens[$i]['line'] !== $lastLine) {
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if ($i === $tokens[$stackPtr]['parenthesis_closer']
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|| ($tokens[$i]['code'] === T_WHITESPACE
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&& (($i + 1) === $closeBracket
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|| ($i + 1) === $tokens[$stackPtr]['parenthesis_closer']))
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) {
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// Closing braces need to be indented to the same level
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// as the function.
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$expectedIndent = $functionIndent;
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} else {
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$expectedIndent = ($functionIndent + $indent);
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}
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// We changed lines, so this should be a whitespace indent token.
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if ($tokens[$i]['code'] !== T_WHITESPACE) {
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$foundIndent = 0;
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} else if ($tokens[$i]['line'] !== $tokens[($i + 1)]['line']) {
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// This is an empty line, so don't check the indent.
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$foundIndent = $expectedIndent;
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$error = 'Blank lines are not allowed in a multi-line ' . $type . ' declaration';
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$fix = $phpcsFile->addFixableError($error, $i, 'EmptyLine');
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if ($fix === true) {
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$phpcsFile->fixer->replaceToken($i, '');
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}
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} else {
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$foundIndent = $tokens[$i]['length'];
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}
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if ($expectedIndent !== $foundIndent) {
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$error = 'Multi-line ' . $type . ' declaration not indented correctly; expected %s spaces but found %s';
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$data = [
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$expectedIndent,
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|
$foundIndent,
|
|
|
|
|
];
|
|
|
|
|
|
|
|
|
|
$fix = $phpcsFile->addFixableError($error, $i, 'Indent', $data);
|
|
|
|
|
if ($fix === true) {
|
|
|
|
|
$spaces = str_repeat(' ', $expectedIndent);
|
|
|
|
|
if ($foundIndent === 0) {
|
|
|
|
|
$phpcsFile->fixer->addContentBefore($i, $spaces);
|
|
|
|
|
} else {
|
|
|
|
|
$phpcsFile->fixer->replaceToken($i, $spaces);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$lastLine = $tokens[$i]['line'];
|
|
|
|
|
}//end if
|
|
|
|
|
|
|
|
|
|
if ($tokens[$i]['code'] === T_ARRAY || $tokens[$i]['code'] === T_OPEN_SHORT_ARRAY) {
|
|
|
|
|
// Skip arrays as they have their own indentation rules.
|
|
|
|
|
if ($tokens[$i]['code'] === T_OPEN_SHORT_ARRAY) {
|
|
|
|
|
$i = $tokens[$i]['bracket_closer'];
|
|
|
|
|
} else {
|
|
|
|
|
$i = $tokens[$i]['parenthesis_closer'];
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
$lastLine = $tokens[$i]['line'];
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
}//end for
|
|
|
|
|
|
|
|
|
|
}//end processArgumentList()
|
|
|
|
|
}//end class
|