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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\Factory\PartHeaderContainerFactory; |
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use Psr\Http\Message\StreamInterface; |
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/** |
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* Parses a mail mime message into its component parts. To invoke, call |
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* {@see MailMimeParser::parse()}. |
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* |
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* @author Zaahid Bateson |
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*/ |
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class MessageParser |
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{ |
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/** |
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* @var PartHeaderContainerFactory To create a container to read the |
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* message's headers into. |
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*/ |
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protected $partHeaderContainerFactory; |
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/** |
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* @var ParserManager To figure out what parser is responsible for parsing a |
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* message. |
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*/ |
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protected $parserManager; |
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/** |
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* @var PartBuilderFactory To create a PartBuilder representing this |
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* message, and to pass it to ParserManager. |
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*/ |
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protected $partBuilderFactory; |
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/** |
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* @var HeaderParser To parse the headers into a PartHeaderContainer. |
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*/ |
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protected $headerParser; |
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public function __construct( |
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PartBuilderFactory $pbf, |
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PartHeaderContainerFactory $phcf, |
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ParserManager $pm, |
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HeaderParser $hp |
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) { |
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$this->partBuilderFactory = $pbf; |
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$this->partHeaderContainerFactory = $phcf; |
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$this->parserManager = $pm; |
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$this->headerParser = $hp; |
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} |
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/** |
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* Convenience method to read a line of up to 4096 characters from the |
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* passed resource handle. |
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* |
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* If the line is larger than 4096 characters, the remaining characters in |
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* the line are read and discarded, and only the first 4096 characters are |
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* returned. |
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* |
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* @param resource $handle |
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* @return string|bool the read line or false on EOF or on error. |
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*/ |
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public static function readLine($handle) |
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{ |
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$size = 4096; |
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$ret = $line = fgets($handle, $size); |
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while (strlen($line) === $size - 1 && substr($line, -1) !== "\n") { |
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$line = fgets($handle, $size); |
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} |
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return $ret; |
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} |
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/** |
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* Parses the passed stream into an {@see ZBateson\MailMimeParser\IMessage} |
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* object and returns it. |
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* |
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* @param StreamInterface $stream the stream to parse the message from |
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* @return \ZBateson\MailMimeParser\IMessage |
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*/ |
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public function parse(StreamInterface $stream) |
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{ |
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$headerContainer = $this->partHeaderContainerFactory->newInstance(); |
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$partBuilder = $this->partBuilderFactory->newPartBuilder($headerContainer, $stream); |
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$this->headerParser->parse( |
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$partBuilder->getMessageResourceHandle(), |
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$headerContainer |
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); |
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$proxy = $this->parserManager->createParserProxyFor($partBuilder); |
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return $proxy->getPart(); |
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} |
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} |
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zbateson /
mail-mime-parser
