<?php
/**
 * \Drupal\Sniffs\WhiteSpace\OpenBracketSpacingSniff.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */

namespace Drupal\Sniffs\WhiteSpace;

use PHP_CodeSniffer\Files\File;
use PHP_CodeSniffer\Sniffs\Sniff;

/**
 * Checks that there is no white space after an opening bracket, for "(" and "{".
 * Square Brackets are handled by
 * \PHP_CodeSniffer\Standards\Squiz\Sniffs\Arrays\ArrayBracketSpacingSniff.
 *
 * @category PHP
 * @package  PHP_CodeSniffer
 * @link     http://pear.php.net/package/PHP_CodeSniffer
 */
class OpenBracketSpacingSniff implements Sniff
{

    /**
     * A list of tokenizers this sniff supports.
     *
     * @var array
     */
    public $supportedTokenizers = array(
                                   'PHP',
                                   'JS',
                                  );


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

    }//end register()


    /**
     * Processes this test, when one of its tokens is encountered.
     *
     * @param \PHP_CodeSniffer\Files\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(File $phpcsFile, $stackPtr)
    {
        $tokens = $phpcsFile->getTokens();

        // Ignore curly brackets in javascript files.
        if ($tokens[$stackPtr]['code'] === T_OPEN_CURLY_BRACKET
            && $phpcsFile->tokenizerType === 'JS'
        ) {
            return;
        }

        if (isset($tokens[($stackPtr + 1)]) === true
            && $tokens[($stackPtr + 1)]['code'] === T_WHITESPACE
            && strpos($tokens[($stackPtr + 1)]['content'], $phpcsFile->eolChar) === false
            // Allow spaces in template files where the PHP close tag is used.
            && isset($tokens[($stackPtr + 2)]) === true
            && $tokens[($stackPtr + 2)]['code'] !== T_CLOSE_TAG
        ) {
            $error = 'There should be no white space after an opening "%s"';
            $fix   = $phpcsFile->addFixableError(
                $error,
                ($stackPtr + 1),
                'OpeningWhitespace',
                array($tokens[$stackPtr]['content'])
            );
            if ($fix === true) {
                $phpcsFile->fixer->replaceToken(($stackPtr + 1), '');
            }
        }

    }//end process()


}//end class
