<?php
/**
 * Verifies that class members have scope modifiers.
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */

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

/**
 * Verifies that class members have scope modifiers.
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006-2014 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 * @version   Release: @package_version@
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */
class Squiz_Sniffs_Scope_MemberVarScopeSniff extends PHP_CodeSniffer_Standards_AbstractVariableSniff
{


    /**
     * Processes the function tokens within the class.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file where this token was found.
     * @param int                  $stackPtr  The position where the token was found.
     *
     * @return void
     */
    protected function processMemberVar(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        $modifier = null;
        for ($i = ($stackPtr - 1); $i > 0; $i--) {
            if ($tokens[$i]['line'] < $tokens[$stackPtr]['line']) {
                break;
            } else if (isset(PHP_CodeSniffer_Tokens::$scopeModifiers[$tokens[$i]['code']]) === true) {
                $modifier = $i;
                break;
            }
        }

        if ($modifier === null) {
            $error = 'Scope modifier not specified for member variable "%s"';
            $data  = array($tokens[$stackPtr]['content']);
            $phpcsFile->addError($error, $stackPtr, 'Missing', $data);
        }

    }//end processMemberVar()


    /**
     * Processes normal variables.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file where this token was found.
     * @param int                  $stackPtr  The position where the token was found.
     *
     * @return void
     */
    protected function processVariable(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        /*
            We don't care about normal variables.
        */

    }//end processVariable()


    /**
     * Processes variables in double quoted strings.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file where this token was found.
     * @param int                  $stackPtr  The position where the token was found.
     *
     * @return void
     */
    protected function processVariableInString(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        /*
            We don't care about normal variables.
        */

    }//end processVariableInString()


}//end class