Buffer::size()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 3
Code Lines 1

Duplication

Lines 0
Ratio 0 %

Importance

Changes 0
Metric Value
cc 1
eloc 1
nc 1
nop 0
dl 0
loc 3
rs 10
c 0
b 0
f 0
1
<?php
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/**
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 * Recv buffer
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 * User: moyo
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 * Date: 27/02/2018
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 * Time: 12:23 PM
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 */
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namespace Carno\NSQ\Protocol;
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class Buffer
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{
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    /**
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     * @var string
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     */
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    private $data = '';
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    /**
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     * @param string $data
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     * @return int
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     */
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    public function write(string $data) : int
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    {
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        return strlen($this->data .= $data);
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    }
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    /**
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     * @param int $len
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     * @return string
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     */
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    public function read(int $len) : string
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    {
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        $got = substr($this->data, 0, $len);
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        $this->data = substr($this->data, $len);
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        return $got;
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    }
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    /**
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     * @return bool
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     */
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    public function valid() : bool
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    {
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        return ! $this->eof();
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    }
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    /**
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     * @return int
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     */
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    public function size() : int
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    {
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        return strlen($this->data);
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    }
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    /**
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     * @return bool
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     */
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    public function eof() : bool
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    {
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        return empty($this->data);
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    }
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}
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