25      *                                from the stream. Pass -1 for no limit.
31         $limit = -1,
34         $this->stream = $stream;
35         $this->setLimit($limit);
36         $this->setOffset($offset);
42         if ($this->stream->eof()) {
47         if ($this->limit == -1) {
51         return $this->stream->tell() >= $this->offset + $this->limit;
60         if (null === ($length = $this->stream->getSize())) {
62         } elseif ($this->limit == -1) {
63             return $length - $this->offset;
65             return min($this->limit, $length - $this->offset);
77                 'Cannot seek to offset %s with whence %s',
83         $offset += $this->offset;
85         if ($this->limit !== -1) {
86             if ($offset > $this->offset + $this->limit) {
87                 $offset = $this->offset + $this->limit;
91         $this->stream->seek($offset);
95      * Give a relative tell()
98     public function tell()  function in GuzzleHttp\\Psr7\\LimitStream
100         return $this->stream->tell() - $this->offset;
112         $current = $this->stream->tell();
116             if ($this->stream->isSeekable()) {
117                 $this->stream->seek($offset);
121                 $this->stream->read($offset - $current);
125         $this->offset = $offset;
133      *                   Use -1 for no limit.
137         $this->limit = $limit;
142         if ($this->limit == -1) {
143             return $this->stream->read($length);
148         $remaining = ($this->offset + $this->limit) - $this->stream->tell();
152             return $this->stream->read(min($remaining, $length));