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