<?php

/**
 * SVN blame report for PHP_CodeSniffer.
 *
 * @author    Greg Sherwood <gsherwood@squiz.net>
 * @copyright 2006-2015 Squiz Pty Ltd (ABN 77 084 670 600)
 * @license   https://github.com/PHPCSStandards/PHP_CodeSniffer/blob/master/licence.txt BSD Licence
 */
namespace PHP_CodeSniffer\Reports;

use PHP_CodeSniffer\Exceptions\DeepExitException;
class Svnblame extends \PHP_CodeSniffer\Reports\VersionControl
{
    /**
     * The name of the report we want in the output
     *
     * @var string
     */
    protected $reportName = 'SVN';
    /**
     * Extract the author from a blame line.
     *
     * @param string $line Line to parse.
     *
     * @return mixed string or false if impossible to recover.
     */
    protected function getAuthor($line)
    {
        $blameParts = [];
        \preg_match('|\\s*([^\\s]+)\\s+([^\\s]+)|', $line, $blameParts);
        if (isset($blameParts[2]) === \false) {
            return \false;
        }
        return $blameParts[2];
    }
    //end getAuthor()
    /**
     * Gets the blame output.
     *
     * @param string $filename File to blame.
     *
     * @return array
     * @throws \PHP_CodeSniffer\Exceptions\DeepExitException
     */
    protected function getBlameContent($filename)
    {
        $command = 'svn blame "' . $filename . '" 2>&1';
        $handle = \popen($command, 'r');
        if ($handle === \false) {
            $error = 'ERROR: Could not execute "' . $command . '"' . \PHP_EOL . \PHP_EOL;
            throw new DeepExitException($error, 3);
        }
        $rawContent = \stream_get_contents($handle);
        \pclose($handle);
        $blames = \explode("\n", $rawContent);
        return $blames;
    }
    //end getBlameContent()
}
//end class
