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AbstractPatternSniff.php	33.57 KB	-rw-rw-rw-
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AbstractVariableSniff.php	7.79 KB	-rw-rw-rw-
IncorrectPatternException.php	1.06 KB	-rw-rw-rw-

Code Editor : AbstractVariableSniff.php

<?php
/**
 * A class to find T_VARIABLE tokens.
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */

if (class_exists('PHP_CodeSniffer_Standards_AbstractScopeSniff', true) === false) {
    $error = 'Class PHP_CodeSniffer_Standards_AbstractScopeSniff not found';
    throw new PHP_CodeSniffer_Exception($error);
}

/**
 * A class to find T_VARIABLE tokens.
 *
 * This class can distingush between normal T_VARIABLE tokens, and those tokens
 * that represent class members. If a class member is encountered, then then
 * processMemberVar method is called so the extending class can process it. If
 * the token is found to be a normal T_VARIABLE token, then processVariable is
 * called.
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006-2011 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
 * @version   Release: 1.3.3
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */
abstract class PHP_CodeSniffer_Standards_AbstractVariableSniff extends PHP_CodeSniffer_Standards_AbstractScopeSniff
{

/**
     * The end token of the current function that we are in.
     *
     * @var int
     */
    private $_endFunction = -1;

/**
     * true if a function is currently open.
     *
     * @var boolean
     */
    private $_functionOpen = false;

/**
     * The current PHP_CodeSniffer file that we are processing.
     *
     * @var PHP_CodeSniffer_File
     */
    protected $currentFile = null;

/**
     * Constructs an AbstractVariableTest.
     */
    public function __construct()
    {
        $scopes = array(
                   T_CLASS,
                   T_INTERFACE,
                  );

$listen = array(
                   T_FUNCTION,
                   T_VARIABLE,
                   T_DOUBLE_QUOTED_STRING,
                   T_HEREDOC,
                  );

parent::__construct($scopes, $listen, true);

}//end __construct()

/**
     * Processes the token in the specified PHP_CodeSniffer_File.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
     *                                        token was found.
     * @param int                  $stackPtr  The position where the token was found.
     * @param array                $currScope The current scope opener token.
     *
     * @return void
     */
    protected final function processTokenWithinScope(
        PHP_CodeSniffer_File $phpcsFile,
        $stackPtr,
        $currScope
    ) {
        if ($this->currentFile !== $phpcsFile) {
            $this->currentFile   = $phpcsFile;
            $this->_functionOpen = false;
            $this->_endFunction  = -1;
        }

$tokens = $phpcsFile->getTokens();

if ($stackPtr > $this->_endFunction) {
            $this->_functionOpen = false;
        }

if ($tokens[$stackPtr]['code'] === T_FUNCTION
            && $this->_functionOpen === false
        ) {
            $this->_functionOpen = true;

$methodProps = $phpcsFile->getMethodProperties($stackPtr);

// If the function is abstract, or is in an interface,
            // then set the end of the function to it's closing semicolon.
            if ($methodProps['is_abstract'] === true
                || $tokens[$currScope]['code'] === T_INTERFACE
            ) {
                $this->_endFunction
                    = $phpcsFile->findNext(array(T_SEMICOLON), $stackPtr);
            } else {
                if (isset($tokens[$stackPtr]['scope_closer']) === false) {
                    $error = 'Possible parse error: non-abstract method defined as abstract';
                    $phpcsFile->addWarning($error, $stackPtr);
                    return;
                }

$this->_endFunction = $tokens[$stackPtr]['scope_closer'];
            }
        }

if ($tokens[$stackPtr]['code'] === T_DOUBLE_QUOTED_STRING
            || $tokens[$stackPtr]['code'] === T_HEREDOC
        ) {
            // Check to see if this string has a variable in it.
            $pattern = '|(?<!\\\\)(?:\\\\{2})*\${?[a-zA-Z0-9_]+}?|';
            if (preg_match($pattern, $tokens[$stackPtr]['content']) !== 0) {
                $this->processVariableInString($phpcsFile, $stackPtr);
            }

return;
        }

if ($this->_functionOpen === true) {
            if ($tokens[$stackPtr]['code'] === T_VARIABLE) {
                $this->processVariable($phpcsFile, $stackPtr);
            }
        } else {
            // What if we assign a member variable to another?
            // ie. private $_count = $this->_otherCount + 1;.
            $this->processMemberVar($phpcsFile, $stackPtr);
        }

}//end processTokenWithinScope()

/**
     * Processes the token outside the scope in the file.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
     *                                        token was found.
     * @param int                  $stackPtr  The position where the token was found.
     *
     * @return void
     */
    protected final function processTokenOutsideScope(
        PHP_CodeSniffer_File $phpcsFile,
        $stackPtr
    ) {
        $tokens = $phpcsFile->getTokens();
        // These variables are not member vars.
        if ($tokens[$stackPtr]['code'] === T_VARIABLE) {
            $this->processVariable($phpcsFile, $stackPtr);
        } else if ($tokens[$stackPtr]['code'] === T_DOUBLE_QUOTED_STRING
            || $tokens[$stackPtr]['code'] === T_HEREDOC
        ) {
            // Check to see if this string has a variable in it.
            $pattern = '|(?<!\\\\)(?:\\\\{2})*\${?[a-zA-Z0-9_]+}?|';
            if (preg_match($pattern, $tokens[$stackPtr]['content']) !== 0) {
                $this->processVariableInString($phpcsFile, $stackPtr);
            }
        }

}//end processTokenOutsideScope()

/**
     * Called to process class member vars.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
     *                                        token was found.
     * @param int                  $stackPtr  The position where the token was found.
     *
     * @return void
     */
    abstract protected function processMemberVar(
        PHP_CodeSniffer_File $phpcsFile,
        $stackPtr
    );

/**
     * Called to process normal member vars.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
     *                                        token was found.
     * @param int                  $stackPtr  The position where the token was found.
     *
     * @return void
     */
    abstract protected function processVariable(
        PHP_CodeSniffer_File $phpcsFile,
        $stackPtr
    );

/**
     * Called to process variables found in duoble quoted strings or heredocs.
     *
     * Note that there may be more than one variable in the string, which will
     * result only in one call for the string or one call per line for heredocs.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The PHP_CodeSniffer file where this
     *                                        token was found.
     * @param int                  $stackPtr  The position where the double quoted
     *                                        string was found.
     *
     * @return void
     */
    abstract protected function processVariableInString(
        PHP_CodeSniffer_File
        $phpcsFile,
        $stackPtr
    );

}//end class

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Code Editor : AbstractVariableSniff.php