lithium\g11n\catalog\adapter\Gettext::_parsePo()

protected method

Parses portable object (PO) format.

This parser sacrifices some features of the reference implementation the differences to that implementation are as follows.

  • No support for comments spanning multiple lines.
  • Translator and extracted comments are treated as being the same type.
  • Message IDs are allowed to have other encodings as just US-ASCII.

Items with an empty id are ignored. For more information see _merge().

Parameters

  • resource $stream

Returns

array

Source

	protected function _parsePo($stream) {
		$defaults = [
			'ids' => [],
			'translated' => null,
			'flags' => [],
			'comments' => [],
			'occurrences' => [],
			'context' => null
		];
		$data = [];
		$item = $defaults;

		while ($line = fgets($stream)) {
			$line = trim($line);

			if ($line === '') {
				$data = $this->_merge($data, $item);
				$item = $defaults;
			} elseif (substr($line, 0, 3) === '#~ ') {
				$item['flags']['obsolete'] = true;
			} elseif (substr($line, 0, 3) === '#, ') {
				$item['flags'][substr($line, 3)] = true;
			} elseif (substr($line, 0, 3) === '#: ') {
				$item['occurrences'][] = [
					'file' => strtok(substr($line, 3), ':'),
					'line' => strtok(':')
				];
			} elseif (substr($line, 0, 3) === '#. ') {
				$item['comments'][] = substr($line, 3);
			} elseif ($line[0] === '#') {
				$item['comments'][] = ltrim(substr($line, 1));
			} elseif (substr($line, 0, 7) === 'msgid "') {
				$item['ids']['singular'] = substr($line, 7, -1);
			} elseif (substr($line, 0, 9) === 'msgctxt "') {
				$item['context'] = substr($line, 9, -1);
			} elseif (substr($line, 0, 8) === 'msgstr "') {
				$item['translated'] = substr($line, 8, -1);
			} elseif ($line[0] === '"') {
				$continues = isset($item['translated']) ? 'translated' : 'ids';

				if (is_array($item[$continues])) {
					end($item[$continues]);
					$item[$continues][key($item[$continues])] .= substr($line, 1, -1);
				} else {
					$item[$continues] .= substr($line, 1, -1);
				}
			} elseif (substr($line, 0, 14) === 'msgid_plural "') {
				$item['ids']['plural'] = substr($line, 14, -1);
			} elseif (substr($line, 0, 7) === 'msgstr[') {
				$item['translated'][(integer) substr($line, 7, 1)] = substr($line, 11, -1);
			}
		}
		return $this->_merge($data, $item);
	}