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<?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.protocol
*/
namespace Thrift\Protocol\JSON;
class LookaheadReader
{
private $hasData_ = false;
private $data_ = array();
private $p_;
public function __construct($p)
{
$this->p_ = $p;
}
public function read()
{
if ($this->hasData_) {
$this->hasData_ = false;
} else {
$this->data_ = $this->p_->getTransport()->readAll(1);
}
return substr($this->data_, 0, 1);
}
public function peek()
{
if (!$this->hasData_) {
$this->data_ = $this->p_->getTransport()->readAll(1);
}
$this->hasData_ = true;
return substr($this->data_, 0, 1);
}
}
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