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<?php |
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namespace Gettext\Generators; |
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use Gettext\Translations; |
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class Po extends Generator implements GeneratorInterface |
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{ |
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/** |
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* {@parentDoc}. |
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*/ |
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public static function toString(Translations $translations) |
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{ |
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$lines = array('msgid ""', 'msgstr ""'); |
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$headers = $translations->getHeaders(); |
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$headers['PO-Revision-Date'] = date('c'); |
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foreach ($headers as $name => $value) { |
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$lines[] = '"'.$name.': '.$value.'\\n"'; |
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} |
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$lines[] = ''; |
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//Translations |
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foreach ($translations as $translation) { |
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if ($translation->hasComments()) { |
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foreach ($translation->getComments() as $comment) { |
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$lines[] = '# '.$comment; |
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} |
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} |
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if ($translation->hasExtractedComments()) { |
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foreach ($translation->getExtractedComments() as $comment) { |
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$lines[] = '#. '.$comment; |
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} |
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} |
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if ($translation->hasReferences()) { |
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foreach ($translation->getReferences() as $reference) { |
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$lines[] = '#: '.$reference[0].(!is_null($reference[1]) ? ':'.$reference[1] : null); |
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} |
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} |
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if ($translation->hasFlags()) { |
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$lines[] = '#, '.implode(',', $translation->getFlags()); |
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} |
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if ($translation->hasContext()) { |
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$lines[] = 'msgctxt '.self::convertString($translation->getContext()); |
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} |
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self::addLines($lines, 'msgid', $translation->getOriginal()); |
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if ($translation->hasPlural()) { |
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self::addLines($lines, 'msgid_plural', $translation->getPlural()); |
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self::addLines($lines, 'msgstr[0]', $translation->getTranslation()); |
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foreach ($translation->getPluralTranslation() as $k => $v) { |
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self::addLines($lines, 'msgstr['.($k + 1).']', $v); |
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} |
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} else { |
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self::addLines($lines, 'msgstr', $translation->getTranslation()); |
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} |
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$lines[] = ''; |
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} |
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return implode("\n", $lines); |
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} |
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/** |
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* Escapes and adds double quotes to a string. |
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* |
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* @param string $string |
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* |
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* @return string |
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*/ |
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private static function multilineQuote($string) |
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{ |
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$lines = explode("\n", $string); |
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$last = count($lines) - 1; |
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foreach ($lines as $k => $line) { |
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if ($k === $last) { |
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$lines[$k] = self::convertString($line); |
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} else { |
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$lines[$k] = self::convertString($line."\n"); |
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} |
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} |
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return $lines; |
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} |
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/** |
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* Add one or more lines depending whether the string is multiline or not. |
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* |
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* @param array &$lines |
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* @param string $name |
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* @param string $value |
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*/ |
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private static function addLines(array &$lines, $name, $value) |
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{ |
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$newLines = self::multilineQuote($value); |
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if (count($newLines) === 1) { |
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$lines[] = $name.' '.$newLines[0]; |
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} else { |
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$lines[] = $name.' ""'; |
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foreach ($newLines as $line) { |
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$lines[] = $line; |
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} |
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} |
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} |
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/** |
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* Convert a string to its PO representation. |
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* |
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* @param string $value |
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* |
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* @return string |
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*/ |
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public static function convertString($value) |
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{ |
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return '"'.strtr( |
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$value, |
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array( |
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"\x00" => '', |
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'\\' => '\\\\', |
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"\t" => '\t', |
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"\n" => '\n', |
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) |
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).'"'; |
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} |
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} |
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oscarotero /
Gettext
