<?php
/**
 * Squiz_Sniffs_WhiteSpace_ControlStructureSpacingSniff.
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
 * @version   CVS: $Id$
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */

require_once 'PHP/CodeSniffer/Sniff.php';

/**
 * Squiz_Sniffs_WhiteSpace_ControlStructureSpacingSniff.
 *
 * Checks that any array declarations are lower case.
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   http://matrix.squiz.net/developer/tools/php_cs/licence BSD Licence
 * @version   Release: 0.6.0
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */
class Squiz_Sniffs_WhiteSpace_ControlStructureSpacingSniff implements PHP_CodeSniffer_Sniff
{


    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array
     */
    public function register()
    {
        return array(
                T_IF,
                T_WHILE,
                T_FOREACH,
                T_FOR,
                T_SWITCH,
                T_DO,
                T_ELSE,
                T_ELSEIF,
               );

    }//end register()


    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
     * @param int                  $stackPtr  The position of the current token in the
     *                                        stack passed in $tokens.
     *
     * @return void
     */
    public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        if (isset($tokens[$stackPtr]['scope_closer']) === false) {
            return;
        }

        $scopeCloser = $tokens[$stackPtr]['scope_closer'];

        $trailingContent = $phpcsFile->findNext(T_WHITESPACE, ($scopeCloser + 1), null, true);
        if ($tokens[$trailingContent]['code'] === T_ELSE) {
            if ($tokens[$stackPtr]['code'] === T_IF) {
                // IF with ELSE.
                return;
            }
        }

        if ($tokens[$trailingContent]['code'] === T_COMMENT) {
            if ($tokens[$trailingContent]['line'] === $tokens[$scopeCloser]['line']) {
                if (substr($tokens[$trailingContent]['content'], 0, 5) === '//end') {
                    // There is an end comment, so we have to get the next piece
                    // of content.
                    $trailingContent = $phpcsFile->findNext(T_WHITESPACE, ($trailingContent + 1), null, true);
                }
            }
        }

        if ($tokens[$trailingContent]['code'] !== T_CLOSE_CURLY_BRACKET) {
            if ($tokens[$trailingContent]['line'] === ($tokens[$scopeCloser]['line'] + 1)) {
                $error = 'No blank line found after control structure';
                $phpcsFile->addError($error, $scopeCloser);
            }
        }

    }//end process()


}//end class

?>
