class Diff

class Diff implements Report {
    
    /**
     * Generate a partial report for a single processed file.
     *
     * Function should return TRUE if it printed or stored data about the file
     * and FALSE if it ignored the file. Returning TRUE indicates that the file and
     * its data should be counted in the grand totals.
     *
     * @param array<string, string|int|array> $report      Prepared report data.
     *                                                     See the {@see Report} interface for a detailed specification.
     * @param \PHP_CodeSniffer\Files\File     $phpcsFile   The file being reported on.
     * @param bool                            $showSources Show sources?
     * @param int                             $width       Maximum allowed line width.
     *
     * @return bool
     */
    public function generateFileReport($report, File $phpcsFile, $showSources = false, $width = 80) {
        $errors = $phpcsFile->getFixableCount();
        if ($errors === 0) {
            return false;
        }
        $phpcsFile->disableCaching();
        $tokens = $phpcsFile->getTokens();
        if (empty($tokens) === true) {
            if (PHP_CODESNIFFER_VERBOSITY === 1) {
                $startTime = microtime(true);
                echo 'DIFF report is parsing ' . basename($report['filename']) . ' ';
            }
            else {
                if (PHP_CODESNIFFER_VERBOSITY > 1) {
                    echo 'DIFF report is forcing parse of ' . $report['filename'] . PHP_EOL;
                }
            }
            $phpcsFile->parse();
            if (PHP_CODESNIFFER_VERBOSITY === 1) {
                $timeTaken = (microtime(true) - $startTime) * 1000;
                if ($timeTaken < 1000) {
                    $timeTaken = round($timeTaken);
                    echo "DONE in {$timeTaken}ms";
                }
                else {
                    $timeTaken = round($timeTaken / 1000, 2);
                    echo "DONE in {$timeTaken} secs";
                }
                echo PHP_EOL;
            }
            $phpcsFile->fixer
                ->startFile($phpcsFile);
        }
        
        //end if
        if (PHP_CODESNIFFER_VERBOSITY > 1) {
            ob_end_clean();
            echo "\t*** START FILE FIXING ***" . PHP_EOL;
        }
        $fixed = $phpcsFile->fixer
            ->fixFile();
        if (PHP_CODESNIFFER_VERBOSITY > 1) {
            echo "\t*** END FILE FIXING ***" . PHP_EOL;
            ob_start();
        }
        if ($fixed === false) {
            return false;
        }
        $diff = $phpcsFile->fixer
            ->generateDiff();
        if ($diff === '') {
            // Nothing to print.
            return false;
        }
        echo $diff . PHP_EOL;
        return true;
    }
    
    //end generateFileReport()
    
    /**
     * Prints all errors and warnings for each file processed.
     *
     * @param string $cachedData    Any partial report data that was returned from
     *                              generateFileReport during the run.
     * @param int    $totalFiles    Total number of files processed during the run.
     * @param int    $totalErrors   Total number of errors found during the run.
     * @param int    $totalWarnings Total number of warnings found during the run.
     * @param int    $totalFixable  Total number of problems that can be fixed.
     * @param bool   $showSources   Show sources?
     * @param int    $width         Maximum allowed line width.
     * @param bool   $interactive   Are we running in interactive mode?
     * @param bool   $toScreen      Is the report being printed to screen?
     *
     * @return void
     */
    public function generate($cachedData, $totalFiles, $totalErrors, $totalWarnings, $totalFixable, $showSources = false, $width = 80, $interactive = false, $toScreen = true) {
        echo $cachedData;
        if ($toScreen === true && $cachedData !== '') {
            echo PHP_EOL;
        }
    }
    
    //end generate()

}