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BZip2 Class Reference
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<article class="main-content">
<section class="section">
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<h1>BZip2</h1>
<div class="declaration">
<div class="language">
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">class</span> <span class="kt">BZip2</span><span class="p">:</span> <span class="kt"><a href="../Protocols/DecompressionAlgorithm.html">DecompressionAlgorithm</a></span></code></pre>
</div>
</div>
<p>Provides functions for compression and decompression for BZip2 algorithm.</p>
</div>
</section>
<section class="section">
<div class="section-content">
<div class="task-group">
<ul class="item-container">
<li class="item">
<div>
<code>
<a name="/s:13SWCompression5BZip2C10decompress10Foundation4DataVAG4data_tKFZ"></a>
<a name="//apple_ref/swift/Method/decompress(data:)" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression5BZip2C10decompress10Foundation4DataVAG4data_tKFZ">decompress(data:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Decompresses <code>data</code> using BZip2 algortihm.</p>
<div class="aside aside-throws">
<p class="aside-title">Throws</p>
<p><code><a href="../Enums/BZip2Error.html">BZip2Error</a></code> if unexpected byte (bit) sequence was encountered in <code>data</code>.
It may indicate that either data is damaged or it might not be compressed with BZip2 at all.</p>
</div>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="nf">decompress</span><span class="p">(</span><span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">)</span> <span class="k">throws</span> <span class="o">-&gt;</span> <span class="kt">Data</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>data</em>
</code>
</td>
<td>
<div>
<p>Data compressed with BZip2.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div>
<h4>Return Value</h4>
<p>Decompressed data.</p>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.0.1/Sources/BZip2/BZip2.swift#L21-L25">Show on GitHub</a>
</div>
</section>
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<li class="item">
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<code>
<a name="/s:13SWCompression5BZip2C8compress10Foundation4DataVAG4data_tFZ"></a>
<a name="//apple_ref/swift/Method/compress(data:)" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression5BZip2C8compress10Foundation4DataVAG4data_tFZ">compress(data:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Compresses <code>data</code> with BZip2 algortihm.</p>
<div class="aside aside-note">
<p class="aside-title">Note</p>
<p>Input data will be split into blocks of size 100 KB.
Use <code><a href="../Classes/BZip2.html#/s:13SWCompression5BZip2C8compress10Foundation4DataVAG4data_AC9BlockSizeO05blockH0tFZ">BZip2.compress(data:blockSize:)</a></code> function to specify size of a block.</p>
</div>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="nf">compress</span><span class="p">(</span><span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Data</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>data</em>
</code>
</td>
<td>
<div>
<p>Data to compress.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.0.1/Sources/BZip2/BZip2+Compress.swift#L18-L20">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:13SWCompression5BZip2C8compress10Foundation4DataVAG4data_AC9BlockSizeO05blockH0tFZ"></a>
<a name="//apple_ref/swift/Method/compress(data:blockSize:)" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression5BZip2C8compress10Foundation4DataVAG4data_AC9BlockSizeO05blockH0tFZ">compress(data:blockSize:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Compresses <code>data</code> with BZip2 algortihm, splitting data into blocks of specified <code>blockSize</code>.</p>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">static</span> <span class="kd">func</span> <span class="nf">compress</span><span class="p">(</span><span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">,</span> <span class="nv">blockSize</span><span class="p">:</span> <span class="kt"><a href="../Classes/BZip2/BlockSize.html">BlockSize</a></span><span class="p">)</span> <span class="o">-&gt;</span> <span class="kt">Data</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>data</em>
</code>
</td>
<td>
<div>
<p>Data to compress.</p>
</div>
</td>
</tr>
<tr>
<td>
<code>
<em>blockSize</em>
</code>
</td>
<td>
<div>
<p>Size of blocks in which <code>data</code> will be split.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.0.1/Sources/BZip2/BZip2+Compress.swift#L40-L70">Show on GitHub</a>
</div>
</section>
</div>
</li>
</ul>
</div>
<div class="task-group">
<ul class="item-container">
<li class="item">
<div>
<code>
<a name="/s:13SWCompression5BZip2C9BlockSizeO"></a>
<a name="//apple_ref/swift/Enum/BlockSize" class="dashAnchor"></a>
<a class="token" href="#/s:13SWCompression5BZip2C9BlockSizeO">BlockSize</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Represents size of blocks in which data is split during BZip2 compression.</p>
<a href="../Classes/BZip2/BlockSize.html" class="slightly-smaller">See more</a>
</div>
<div class="declaration">
<h4>Declaration</h4>
<div class="language">
<p class="aside-title">Swift</p>
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">BlockSize</span><span class="p">:</span> <span class="kt">Int</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/4.0.1/Sources/BZip2/BZip2+BlockSize.swift#L13-L56">Show on GitHub</a>
</div>
</section>
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