<?php
/**
 * Class Declaration Test.
 *
 * PHP version 5
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006-2012 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
 */

/**
 * Class Declaration Test.
 *
 * Checks the declaration of the class is correct.
 *
 * @category  PHP
 * @package   PHP_CodeSniffer
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @author    Marc McIntyre <mmcintyre@squiz.net>
 * @copyright 2006-2012 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/squizlabs/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 * @version   Release: 1.5.1
 * @link      http://pear.php.net/package/PHP_CodeSniffer
 */
class PhOSCo_Sniffs_Classes_ClassDeclarationSniff implements PHP_CodeSniffer_Sniff {

    /**
     * The number of spaces code should be indented.
     *
     * @var int
     */
    public $indent = 4;

    /**
     * Returns an array of tokens this test wants to listen for.
     *
     * @return array
     */
    public function register() {
        return array(T_CLASS, T_INTERFACE,);

    }//end register()

    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param PHP_CodeSniffer_File $phpcsFile The file being scanned.
     * @param integer              $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();
        $errorData = array($tokens[$stackPtr]['content']);

        if (isset($tokens[$stackPtr]['scope_opener']) === false) {
            $error = 'Possible parse error: %s missing opening or closing brace';
            $phpcsFile->addWarning($error, $stackPtr, 'MissingBrace', $errorData);
            return;
        }

        $curlyBrace = $tokens[$stackPtr]['scope_opener'];
        $lastContent = $phpcsFile->findPrevious(T_WHITESPACE, ($curlyBrace - 1), $stackPtr, true);
        $classLine = $tokens[$lastContent]['line'];
        $braceLine = $tokens[$curlyBrace]['line'];
        if ($braceLine !== $classLine) {
            $error = 'Opening brace of a %s must be on the same line as the definition';
            $phpcsFile->addError($error, $curlyBrace, 'OpenBraceNewLine', $errorData);
            return;
        }

        if ($tokens[($curlyBrace - 1)]['code'] === T_WHITESPACE) {
            $prevContent = $tokens[($curlyBrace - 1)]['content'];
            if ($prevContent === $phpcsFile->eolChar) {
                $spaces = 0;
            } else {
                $blankSpace = substr($prevContent, strpos($prevContent, $phpcsFile->eolChar));
                $spaces = strlen($blankSpace);
            }

            $expected = 1;
            if ($spaces !== $expected) {
                $error = 'Expected %s spaces before opening brace; %s found';
                $data = array($expected, $spaces,);
                $phpcsFile->addError($error, $curlyBrace, 'SpaceBeforeBrace', $data);
            }
        }

    }//end process()

}//end class

?>