<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Translation\Dumper;

use Symfony\Component\Translation\MessageCatalogue;

/**
 * PoFileDumper generates a gettext formatted string representation of a message catalogue.
 *
 * @author Stealth35
 */
class PoFileDumper extends FileDumper
{
    public function formatCatalogue(MessageCatalogue $messages, string $domain, array $options = []): string
    {
        $output = 'msgid ""'."\n";
        $output .= 'msgstr ""'."\n";
        $output .= '"Content-Type: text/plain; charset=UTF-8\n"'."\n";
        $output .= '"Content-Transfer-Encoding: 8bit\n"'."\n";
        $output .= '"Language: '.$messages->getLocale().'\n"'."\n";
        $output .= "\n";

        $newLine = false;
        foreach ($messages->all($domain) as $source => $target) {
            if ($newLine) {
                $output .= "\n";
            } else {
                $newLine = true;
            }
            $metadata = $messages->getMetadata($source, $domain);

            if (isset($metadata['comments'])) {
                $output .= $this->formatComments($metadata['comments']);
            }
            if (isset($metadata['flags'])) {
                $output .= $this->formatComments(implode(',', (array) $metadata['flags']), ',');
            }
            if (isset($metadata['sources'])) {
                $output .= $this->formatComments(implode(' ', (array) $metadata['sources']), ':');
            }

            $sourceRules = $this->getStandardRules($source);
            $targetRules = $this->getStandardRules($target);
            if (2 == \count($sourceRules) && [] !== $targetRules) {
                $output .= sprintf('msgid "%s"'."\n", $this->escape($sourceRules[0]));
                $output .= sprintf('msgid_plural "%s"'."\n", $this->escape($sourceRules[1]));
                foreach ($targetRules as $i => $targetRule) {
                    $output .= sprintf('msgstr[%d] "%s"'."\n", $i, $this->escape($targetRule));
                }
            } else {
                $output .= sprintf('msgid "%s"'."\n", $this->escape($source));
                $output .= sprintf('msgstr "%s"'."\n", $this->escape($target));
            }
        }

        return $output;
    }

    private function getStandardRules(string $id): array
    {
        // Partly copied from TranslatorTrait::trans.
        $parts = [];
        if (preg_match('/^\|++$/', $id)) {
            $parts = explode('|', $id);
        } elseif (preg_match_all('/(?:\|\||[^\|])++/', $id, $matches)) {
            $parts = $matches[0];
        }

        $intervalRegexp = <<<'EOF'
/^(?P<interval>
    ({\s*
        (\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*)
    \s*})

        |

    (?P<left_delimiter>[\[\]])
        \s*
        (?P<left>-Inf|\-?\d+(\.\d+)?)
        \s*,\s*
        (?P<right>\+?Inf|\-?\d+(\.\d+)?)
        \s*
    (?P<right_delimiter>[\[\]])
)\s*(?P<message>.*?)$/xs
EOF;

        $standardRules = [];
        foreach ($parts as $part) {
            $part = trim(str_replace('||', '|', $part));

            if (preg_match($intervalRegexp, $part)) {
                // Explicit rule is not a standard rule.
                return [];
            } else {
                $standardRules[] = $part;
            }
        }

        return $standardRules;
    }

    protected function getExtension(): string
    {
        return 'po';
    }

    private function escape(string $str): string
    {
        return addcslashes($str, "\0..\37\42\134");
    }

    private function formatComments(string|array $comments, string $prefix = ''): ?string
    {
        $output = null;

        foreach ((array) $comments as $comment) {
            $output .= sprintf('#%s %s'."\n", $prefix, $comment);
        }

        return $output;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox