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<?php |
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/** |
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* This file is part of the ZBateson\MailMimeParser project. |
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* |
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* @license http://opensource.org/licenses/bsd-license.php BSD |
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*/ |
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namespace ZBateson\MailMimeParser\Parser; |
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use ZBateson\MailMimeParser\Message\PartHeaderContainer; |
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/** |
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* Reads headers from the input stream if {@see PartBuilder::canHaveHeaders} |
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* returns true. isSupported returns true regardless (which is why it's |
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* "optional"), which ensures sub-parsers are called. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class HeaderParser |
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{ |
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/** |
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* Ensures the header isn't empty and contains a colon separator character, |
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* then splits it and calls $partBuilder->addHeader. |
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* |
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* @param string $header |
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* @param PartBuilder $partBuilder |
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*/ |
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private function addRawHeaderToPart($header, PartHeaderContainer $headerContainer) |
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{ |
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if ($header !== '' && strpos($header, ':') !== false) { |
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$a = explode(':', $header, 2); |
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$headerContainer->add($a[0], trim($a[1])); |
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} |
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} |
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/** |
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* Reads header lines up to an empty line, adding them to the passed |
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* $headerContainer. |
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* |
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* @param PartBuilder $partBuilder the current part to add headers to |
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*/ |
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public function parse(PartBuilder $partBuilder, PartHeaderContainer $container) |
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{ |
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$handle = $partBuilder->getMessageResourceHandle(); |
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$header = ''; |
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do { |
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$line = MessageParser::readLine($handle); |
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if ($line === false || $line === '' || $line[0] !== "\t" && $line[0] !== ' ') { |
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$this->addRawHeaderToPart($header, $container); |
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$header = ''; |
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} else { |
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$line = "\r\n" . $line; |
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} |
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$header .= rtrim($line, "\r\n"); |
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} while ($header !== ''); |
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} |
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} |
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zbateson /
mail-mime-parser
