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1 | <?php |
2 | /* | |
3 | * Licensed to the Apache Software Foundation (ASF) under one | |
4 | * or more contributor license agreements. See the NOTICE file | |
5 | * distributed with this work for additional information | |
6 | * regarding copyright ownership. The ASF licenses this file | |
7 | * to you under the Apache License, Version 2.0 (the | |
8 | * "License"); you may not use this file except in compliance | |
9 | * with the License. You may obtain a copy of the License at | |
10 | * | |
11 | * http://www.apache.org/licenses/LICENSE-2.0 | |
12 | * | |
13 | * Unless required by applicable law or agreed to in writing, | |
14 | * software distributed under the License is distributed on an | |
15 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
16 | * KIND, either express or implied. See the License for the | |
17 | * specific language governing permissions and limitations | |
18 | * under the License. | |
19 | * | |
20 | * @package thrift.protocol | |
21 | */ | |
22 | ||
23 | namespace Thrift\Protocol\JSON; | |
24 | ||
25 | class LookaheadReader | |
26 | { | |
27 | private $hasData_ = false; | |
28 | private $data_ = array(); | |
29 | private $p_; | |
30 | ||
31 | public function __construct($p) | |
32 | { | |
33 | $this->p_ = $p; | |
34 | } | |
35 | ||
36 | public function read() | |
37 | { | |
38 | if ($this->hasData_) { | |
39 | $this->hasData_ = false; | |
40 | } else { | |
41 | $this->data_ = $this->p_->getTransport()->readAll(1); | |
42 | } | |
43 | ||
44 | return substr($this->data_, 0, 1); | |
45 | } | |
46 | ||
47 | public function peek() | |
48 | { | |
49 | if (!$this->hasData_) { | |
50 | $this->data_ = $this->p_->getTransport()->readAll(1); | |
51 | } | |
52 | ||
53 | $this->hasData_ = true; | |
54 | ||
55 | return substr($this->data_, 0, 1); | |
56 | } | |
57 | } |