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137 lines
3.9 KiB
137 lines
3.9 KiB
<?php |
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/* |
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* This file is part of the Symfony package. |
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* |
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* (c) Fabien Potencier <fabien@symfony.com> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Symfony\Component\Translation\Dumper; |
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use Symfony\Component\Translation\MessageCatalogue; |
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/** |
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* PoFileDumper generates a gettext formatted string representation of a message catalogue. |
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* |
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* @author Stealth35 |
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*/ |
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class PoFileDumper extends FileDumper |
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{ |
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/** |
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* {@inheritdoc} |
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*/ |
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public function formatCatalogue(MessageCatalogue $messages, string $domain, array $options = []) |
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{ |
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$output = 'msgid ""'."\n"; |
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$output .= 'msgstr ""'."\n"; |
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$output .= '"Content-Type: text/plain; charset=UTF-8\n"'."\n"; |
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$output .= '"Content-Transfer-Encoding: 8bit\n"'."\n"; |
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$output .= '"Language: '.$messages->getLocale().'\n"'."\n"; |
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$output .= "\n"; |
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$newLine = false; |
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foreach ($messages->all($domain) as $source => $target) { |
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if ($newLine) { |
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$output .= "\n"; |
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} else { |
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$newLine = true; |
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} |
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$metadata = $messages->getMetadata($source, $domain); |
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if (isset($metadata['comments'])) { |
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$output .= $this->formatComments($metadata['comments']); |
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} |
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if (isset($metadata['flags'])) { |
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$output .= $this->formatComments(implode(',', (array) $metadata['flags']), ','); |
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} |
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if (isset($metadata['sources'])) { |
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$output .= $this->formatComments(implode(' ', (array) $metadata['sources']), ':'); |
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} |
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$sourceRules = $this->getStandardRules($source); |
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$targetRules = $this->getStandardRules($target); |
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if (2 == \count($sourceRules) && [] !== $targetRules) { |
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$output .= sprintf('msgid "%s"'."\n", $this->escape($sourceRules[0])); |
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$output .= sprintf('msgid_plural "%s"'."\n", $this->escape($sourceRules[1])); |
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foreach ($targetRules as $i => $targetRule) { |
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$output .= sprintf('msgstr[%d] "%s"'."\n", $i, $this->escape($targetRule)); |
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} |
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} else { |
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$output .= sprintf('msgid "%s"'."\n", $this->escape($source)); |
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$output .= sprintf('msgstr "%s"'."\n", $this->escape($target)); |
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} |
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} |
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return $output; |
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} |
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private function getStandardRules(string $id) |
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{ |
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// Partly copied from TranslatorTrait::trans. |
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$parts = []; |
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if (preg_match('/^\|++$/', $id)) { |
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$parts = explode('|', $id); |
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} elseif (preg_match_all('/(?:\|\||[^\|])++/', $id, $matches)) { |
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$parts = $matches[0]; |
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} |
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$intervalRegexp = <<<'EOF' |
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/^(?P<interval> |
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({\s* |
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(\-?\d+(\.\d+)?[\s*,\s*\-?\d+(\.\d+)?]*) |
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\s*}) |
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(?P<left_delimiter>[\[\]]) |
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\s* |
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(?P<left>-Inf|\-?\d+(\.\d+)?) |
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\s*,\s* |
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(?P<right>\+?Inf|\-?\d+(\.\d+)?) |
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\s* |
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(?P<right_delimiter>[\[\]]) |
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)\s*(?P<message>.*?)$/xs |
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EOF; |
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$standardRules = []; |
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foreach ($parts as $part) { |
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$part = trim(str_replace('||', '|', $part)); |
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if (preg_match($intervalRegexp, $part)) { |
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// Explicit rule is not a standard rule. |
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return []; |
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} else { |
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$standardRules[] = $part; |
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} |
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} |
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return $standardRules; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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protected function getExtension() |
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{ |
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return 'po'; |
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} |
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private function escape(string $str): string |
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{ |
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return addcslashes($str, "\0..\37\42\134"); |
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} |
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private function formatComments($comments, string $prefix = ''): ?string |
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{ |
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$output = null; |
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foreach ((array) $comments as $comment) { |
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$output .= sprintf('#%s %s'."\n", $prefix, $comment); |
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} |
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return $output; |
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} |
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}
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