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-rw-r--r--vendor/guzzle/guzzle/src/Guzzle/Stream/Stream.php289
1 files changed, 289 insertions, 0 deletions
diff --git a/vendor/guzzle/guzzle/src/Guzzle/Stream/Stream.php b/vendor/guzzle/guzzle/src/Guzzle/Stream/Stream.php
new file mode 100644
index 0000000..12bed26
--- /dev/null
+++ b/vendor/guzzle/guzzle/src/Guzzle/Stream/Stream.php
@@ -0,0 +1,289 @@
+<?php
+
+namespace Guzzle\Stream;
+
+use Guzzle\Common\Exception\InvalidArgumentException;
+
+/**
+ * PHP stream implementation
+ */
+class Stream implements StreamInterface
+{
+ const STREAM_TYPE = 'stream_type';
+ const WRAPPER_TYPE = 'wrapper_type';
+ const IS_LOCAL = 'is_local';
+ const IS_READABLE = 'is_readable';
+ const IS_WRITABLE = 'is_writable';
+ const SEEKABLE = 'seekable';
+
+ /** @var resource Stream resource */
+ protected $stream;
+
+ /** @var int Size of the stream contents in bytes */
+ protected $size;
+
+ /** @var array Stream cached data */
+ protected $cache = array();
+
+ /** @var array Custom stream data */
+ protected $customData = array();
+
+ /** @var array Hash table of readable and writeable stream types for fast lookups */
+ protected static $readWriteHash = array(
+ 'read' => array(
+ 'r' => true, 'w+' => true, 'r+' => true, 'x+' => true, 'c+' => true,
+ 'rb' => true, 'w+b' => true, 'r+b' => true, 'x+b' => true, 'c+b' => true,
+ 'rt' => true, 'w+t' => true, 'r+t' => true, 'x+t' => true, 'c+t' => true, 'a+' => true
+ ),
+ 'write' => array(
+ 'w' => true, 'w+' => true, 'rw' => true, 'r+' => true, 'x+' => true, 'c+' => true,
+ 'wb' => true, 'w+b' => true, 'r+b' => true, 'x+b' => true, 'c+b' => true,
+ 'w+t' => true, 'r+t' => true, 'x+t' => true, 'c+t' => true, 'a' => true, 'a+' => true
+ )
+ );
+
+ /**
+ * @param resource $stream Stream resource to wrap
+ * @param int $size Size of the stream in bytes. Only pass if the size cannot be obtained from the stream.
+ *
+ * @throws InvalidArgumentException if the stream is not a stream resource
+ */
+ public function __construct($stream, $size = null)
+ {
+ $this->setStream($stream, $size);
+ }
+
+ /**
+ * Closes the stream when the helper is destructed
+ */
+ public function __destruct()
+ {
+ $this->close();
+ }
+
+ public function __toString()
+ {
+ if (!$this->isReadable() || (!$this->isSeekable() && $this->isConsumed())) {
+ return '';
+ }
+
+ $originalPos = $this->ftell();
+ $body = stream_get_contents($this->stream, -1, 0);
+ $this->seek($originalPos);
+
+ return $body;
+ }
+
+ public function close()
+ {
+ if (is_resource($this->stream)) {
+ fclose($this->stream);
+ }
+ $this->cache[self::IS_READABLE] = false;
+ $this->cache[self::IS_WRITABLE] = false;
+ }
+
+ /**
+ * Calculate a hash of a Stream
+ *
+ * @param StreamInterface $stream Stream to calculate the hash for
+ * @param string $algo Hash algorithm (e.g. md5, crc32, etc)
+ * @param bool $rawOutput Whether or not to use raw output
+ *
+ * @return bool|string Returns false on failure or a hash string on success
+ */
+ public static function getHash(StreamInterface $stream, $algo, $rawOutput = false)
+ {
+ $pos = $stream->ftell();
+ if (!$stream->seek(0)) {
+ return false;
+ }
+
+ $ctx = hash_init($algo);
+ while (!$stream->feof()) {
+ hash_update($ctx, $stream->read(8192));
+ }
+
+ $out = hash_final($ctx, (bool) $rawOutput);
+ $stream->seek($pos);
+
+ return $out;
+ }
+
+ public function getMetaData($key = null)
+ {
+ $meta = stream_get_meta_data($this->stream);
+
+ return !$key ? $meta : (array_key_exists($key, $meta) ? $meta[$key] : null);
+ }
+
+ public function getStream()
+ {
+ return $this->stream;
+ }
+
+ public function setStream($stream, $size = null)
+ {
+ if (!is_resource($stream)) {
+ throw new InvalidArgumentException('Stream must be a resource');
+ }
+
+ $this->size = $size;
+ $this->stream = $stream;
+ $this->rebuildCache();
+
+ return $this;
+ }
+
+ public function detachStream()
+ {
+ $this->stream = null;
+
+ return $this;
+ }
+
+ public function getWrapper()
+ {
+ return $this->cache[self::WRAPPER_TYPE];
+ }
+
+ public function getWrapperData()
+ {
+ return $this->getMetaData('wrapper_data') ?: array();
+ }
+
+ public function getStreamType()
+ {
+ return $this->cache[self::STREAM_TYPE];
+ }
+
+ public function getUri()
+ {
+ return $this->cache['uri'];
+ }
+
+ public function getSize()
+ {
+ if ($this->size !== null) {
+ return $this->size;
+ }
+
+ // If the stream is a file based stream and local, then use fstat
+ clearstatcache(true, $this->cache['uri']);
+ $stats = fstat($this->stream);
+ if (isset($stats['size'])) {
+ $this->size = $stats['size'];
+ return $this->size;
+ } elseif ($this->cache[self::IS_READABLE] && $this->cache[self::SEEKABLE]) {
+ // Only get the size based on the content if the the stream is readable and seekable
+ $pos = $this->ftell();
+ $this->size = strlen((string) $this);
+ $this->seek($pos);
+ return $this->size;
+ }
+
+ return false;
+ }
+
+ public function isReadable()
+ {
+ return $this->cache[self::IS_READABLE];
+ }
+
+ public function isRepeatable()
+ {
+ return $this->cache[self::IS_READABLE] && $this->cache[self::SEEKABLE];
+ }
+
+ public function isWritable()
+ {
+ return $this->cache[self::IS_WRITABLE];
+ }
+
+ public function isConsumed()
+ {
+ return feof($this->stream);
+ }
+
+ public function feof()
+ {
+ return $this->isConsumed();
+ }
+
+ public function isLocal()
+ {
+ return $this->cache[self::IS_LOCAL];
+ }
+
+ public function isSeekable()
+ {
+ return $this->cache[self::SEEKABLE];
+ }
+
+ public function setSize($size)
+ {
+ $this->size = $size;
+
+ return $this;
+ }
+
+ public function seek($offset, $whence = SEEK_SET)
+ {
+ return $this->cache[self::SEEKABLE] ? fseek($this->stream, $offset, $whence) === 0 : false;
+ }
+
+ public function read($length)
+ {
+ return fread($this->stream, $length);
+ }
+
+ public function write($string)
+ {
+ // We can't know the size after writing anything
+ $this->size = null;
+
+ return fwrite($this->stream, $string);
+ }
+
+ public function ftell()
+ {
+ return ftell($this->stream);
+ }
+
+ public function rewind()
+ {
+ return $this->seek(0);
+ }
+
+ public function readLine($maxLength = null)
+ {
+ if (!$this->cache[self::IS_READABLE]) {
+ return false;
+ } else {
+ return $maxLength ? fgets($this->getStream(), $maxLength) : fgets($this->getStream());
+ }
+ }
+
+ public function setCustomData($key, $value)
+ {
+ $this->customData[$key] = $value;
+
+ return $this;
+ }
+
+ public function getCustomData($key)
+ {
+ return isset($this->customData[$key]) ? $this->customData[$key] : null;
+ }
+
+ /**
+ * Reprocess stream metadata
+ */
+ protected function rebuildCache()
+ {
+ $this->cache = stream_get_meta_data($this->stream);
+ $this->cache[self::IS_LOCAL] = stream_is_local($this->stream);
+ $this->cache[self::IS_READABLE] = isset(self::$readWriteHash['read'][$this->cache['mode']]);
+ $this->cache[self::IS_WRITABLE] = isset(self::$readWriteHash['write'][$this->cache['mode']]);
+ }
+}