diff options
Diffstat (limited to '')
-rw-r--r-- | src/jaegertracing/thrift/lib/php/lib/Transport/TMemoryBuffer.php | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/src/jaegertracing/thrift/lib/php/lib/Transport/TMemoryBuffer.php b/src/jaegertracing/thrift/lib/php/lib/Transport/TMemoryBuffer.php new file mode 100644 index 000000000..fee03a2a4 --- /dev/null +++ b/src/jaegertracing/thrift/lib/php/lib/Transport/TMemoryBuffer.php @@ -0,0 +1,106 @@ +<?php +/* + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + * + * @package thrift.transport + */ + +namespace Thrift\Transport; + +use Thrift\Exception\TTransportException; +use Thrift\Factory\TStringFuncFactory; + +/** + * A memory buffer is a tranpsort that simply reads from and writes to an + * in-memory string buffer. Anytime you call write on it, the data is simply + * placed into a buffer, and anytime you call read, data is read from that + * buffer. + * + * @package thrift.transport + */ +class TMemoryBuffer extends TTransport +{ + /** + * Constructor. Optionally pass an initial value + * for the buffer. + */ + public function __construct($buf = '') + { + $this->buf_ = $buf; + } + + protected $buf_ = ''; + + public function isOpen() + { + return true; + } + + public function open() + { + } + + public function close() + { + } + + public function write($buf) + { + $this->buf_ .= $buf; + } + + public function read($len) + { + $bufLength = TStringFuncFactory::create()->strlen($this->buf_); + + if ($bufLength === 0) { + throw new TTransportException( + 'TMemoryBuffer: Could not read ' . + $len . ' bytes from buffer.', + TTransportException::UNKNOWN + ); + } + + if ($bufLength <= $len) { + $ret = $this->buf_; + $this->buf_ = ''; + + return $ret; + } + + $ret = TStringFuncFactory::create()->substr($this->buf_, 0, $len); + $this->buf_ = TStringFuncFactory::create()->substr($this->buf_, $len); + + return $ret; + } + + public function getBuffer() + { + return $this->buf_; + } + + public function available() + { + return TStringFuncFactory::create()->strlen($this->buf_); + } + + public function putBack($data) + { + $this->buf_ = $data . $this->buf_; + } +} |