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/vendor/guzzlehttp/streams/src/ -> GuzzleStreamWrapper.php (source)

   1  <?php
   2  namespace GuzzleHttp\Stream;
   3  
   4  /**
   5   * Converts Guzzle streams into PHP stream resources.
   6   */
   7  class GuzzleStreamWrapper
   8  {
   9      /** @var resource */
  10      public $context;
  11  
  12      /** @var StreamInterface */
  13      private $stream;
  14  
  15      /** @var string r, r+, or w */
  16      private $mode;
  17  
  18      /**
  19       * Returns a resource representing the stream.
  20       *
  21       * @param StreamInterface $stream The stream to get a resource for
  22       *
  23       * @return resource
  24       * @throws \InvalidArgumentException if stream is not readable or writable
  25       */
  26      public static function getResource(StreamInterface $stream)
  27      {
  28          self::register();
  29  
  30          if ($stream->isReadable()) {
  31              $mode = $stream->isWritable() ? 'r+' : 'r';
  32          } elseif ($stream->isWritable()) {
  33              $mode = 'w';
  34          } else {
  35              throw new \InvalidArgumentException('The stream must be readable, '
  36                  . 'writable, or both.');
  37          }
  38  
  39          return fopen('guzzle://stream', $mode, null, stream_context_create([
  40              'guzzle' => ['stream' => $stream]
  41          ]));
  42      }
  43  
  44      /**
  45       * Registers the stream wrapper if needed
  46       */
  47      public static function register()
  48      {
  49          if (!in_array('guzzle', stream_get_wrappers())) {
  50              stream_wrapper_register('guzzle', __CLASS__);
  51          }
  52      }
  53  
  54      public function stream_open($path, $mode, $options, &$opened_path)
  55      {
  56          $options = stream_context_get_options($this->context);
  57  
  58          if (!isset($options['guzzle']['stream'])) {
  59              return false;
  60          }
  61  
  62          $this->mode = $mode;
  63          $this->stream = $options['guzzle']['stream'];
  64  
  65          return true;
  66      }
  67  
  68      public function stream_read($count)
  69      {
  70          return $this->stream->read($count);
  71      }
  72  
  73      public function stream_write($data)
  74      {
  75          return (int) $this->stream->write($data);
  76      }
  77  
  78      public function stream_tell()
  79      {
  80          return $this->stream->tell();
  81      }
  82  
  83      public function stream_eof()
  84      {
  85          return $this->stream->eof();
  86      }
  87  
  88      public function stream_seek($offset, $whence)
  89      {
  90          return $this->stream->seek($offset, $whence);
  91      }
  92  
  93      public function stream_stat()
  94      {
  95          static $modeMap = [
  96              'r'  => 33060,
  97              'r+' => 33206,
  98              'w'  => 33188
  99          ];
 100  
 101          return [
 102              'dev'     => 0,
 103              'ino'     => 0,
 104              'mode'    => $modeMap[$this->mode],
 105              'nlink'   => 0,
 106              'uid'     => 0,
 107              'gid'     => 0,
 108              'rdev'    => 0,
 109              'size'    => $this->stream->getSize() ?: 0,
 110              'atime'   => 0,
 111              'mtime'   => 0,
 112              'ctime'   => 0,
 113              'blksize' => 0,
 114              'blocks'  => 0
 115          ];
 116      }
 117  }


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