<?php

/**
 * Mercurial blame report for PHP_CodeSniffer.
 *
 * @author    Ben Selby <benmatselby@gmail.com>
 * @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 Hgblame extends \PHP_CodeSniffer\Reports\VersionControl
{
    /**
     * The name of the report we want in the output
     *
     * @var string
     */
    protected $reportName = 'MERCURIAL';
    /**
     * Extract the author from a blame line.
     *
     * @param string $line Line to parse.
     *
     * @return string|false String or FALSE if impossible to recover.
     */
    protected function getAuthor($line)
    {
        $blameParts = [];
        $line = \preg_replace('|\\s+|', ' ', $line);
        \preg_match('|(.+[0-9]{2}:[0-9]{2}:[0-9]{2}\\s[0-9]{4}\\s.[0-9]{4}:)|', $line, $blameParts);
        if (isset($blameParts[0]) === \false) {
            return \false;
        }
        $parts = \explode(' ', $blameParts[0]);
        if (\count($parts) < 6) {
            return \false;
        }
        $parts = \array_slice($parts, 0, \count($parts) - 6);
        return \trim(\preg_replace('|<.+>|', '', \implode(' ', $parts)));
    }
    //end getAuthor()
    /**
     * Gets the blame output.
     *
     * @param string $filename File to blame.
     *
     * @return array
     * @throws \PHP_CodeSniffer\Exceptions\DeepExitException
     */
    protected function getBlameContent($filename)
    {
        $cwd = \getcwd();
        $fileParts = \explode(\DIRECTORY_SEPARATOR, $filename);
        $found = \false;
        $location = '';
        while (empty($fileParts) === \false) {
            \array_pop($fileParts);
            $location = \implode(\DIRECTORY_SEPARATOR, $fileParts);
            if (\is_dir($location . \DIRECTORY_SEPARATOR . '.hg') === \true) {
                $found = \true;
                break;
            }
        }
        if ($found === \true) {
            \chdir($location);
        } else {
            $error = 'ERROR: Could not locate .hg directory ' . \PHP_EOL . \PHP_EOL;
            throw new DeepExitException($error, 3);
        }
        $command = 'hg blame -u -d -v "' . $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", $rawContent);
        \chdir($cwd);
        return $blames;
    }
    //end getBlameContent()
}
//end class
