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<?php
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/**
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 * Generic_Sniffs_PHP_NoSilencedErrorsSniff
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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   Andy Brockhurst <abrock@yahoo-inc.com>
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 * @license  http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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 * @version  CVS: $Id: NoSilencedErrorsSniff.php,v 1.1 2008/12/03 04:42:07 squiz Exp $
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 * @link     http://pear.php.net/package/PHP_CodeSniffer
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 */
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/**
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 * Generic_Sniffs_PHP_NoSilencedErrorsSniff.
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 *
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 * Throws an error or warning when any code prefixed with an asperand is encountered.
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 *
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 * <code>
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 *  if (@in_array($array, $needle))
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 *  {
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 *      doSomething();
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 *  }
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 * </code>
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 *
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 * @category PHP
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 * @package  PHP_CodeSniffer
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 * @author   Andy Brockhurst <abrock@yahoo-inc.com>
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 * @license  http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
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 * @version  Release: 1.2.0RC1
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 * @link     http://pear.php.net/package/PHP_CodeSniffer
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 */
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class Generic_Sniffs_PHP_NoSilencedErrorsSniff implements PHP_CodeSniffer_Sniff
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{
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    /**
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     * If true, an error will be thrown; otherwise a warning.
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     *
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     * @var bool
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     */
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    protected $error = false;
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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_ASPERAND);
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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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        $error = 'Silencing errors is ';
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        if ($this->error === true) {
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            $error .= 'forbidden';
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            $phpcsFile->addError($error, $stackPtr);
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        } else {
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            $error .= 'discouraged';
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            $phpcsFile->addWarning($error, $stackPtr);
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        }
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    }//end process()
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}//end class
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?>