62 lines
1.7 KiB
PHP
62 lines
1.7 KiB
PHP
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<?php
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/**
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* Copyright (c) Borago 2019
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*
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* This software is provided 'as-is', without any express or implied
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* warranty. In no event will the authors be held liable for any damages
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* arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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**/
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namespace External\ZipStream {
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class BufferWriter implements Writer {
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private $stream = '';
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private $offset = 0;
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private $callback = null;
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public function __construct() {
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}
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public function registerCallback($callback) {
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$this->callback = $callback;
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}
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public function write($data) {
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$this->offset += strlen($data);
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$this->stream .= $data;
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if ($this->callback !== null) {
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call_user_func($this->callback, $this);
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}
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return strlen($data);
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}
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public function read() {
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$data = $this->stream;
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$this->stream = '';
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return $data;
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}
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public function offset() {
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return $this->offset;
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}
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public function close() {
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if ($this->callback !== null) {
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call_user_func($this->callback, $this);
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}
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}
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}
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}
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