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GzipHeader Struct Reference
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<article class="main-content">
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<h1>GzipHeader</h1>
<div class="declaration">
<div class="language">
<pre class="highlight"><code><span class="kd">public</span> <span class="kd">struct</span> <span class="kt">GzipHeader</span></code></pre>
</div>
</div>
<p>Represents a GZip archive&rsquo;s header.</p>
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</section>
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<code>
<a name="/s:OV13SWCompression10GzipHeader17CompressionMethod"></a>
<a name="//apple_ref/swift/Enum/CompressionMethod" class="dashAnchor"></a>
<a class="token" href="#/s:OV13SWCompression10GzipHeader17CompressionMethod">CompressionMethod</a>
</code>
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<div class="height-container">
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<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Supported compression methods in GZip archive.</p>
<a href="../Structs/GzipHeader/CompressionMethod.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">CompressionMethod</span><span class="p">:</span> <span class="kt">Int</span></code></pre>
</div>
</div>
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<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L20-L23">Show on GitHub</a>
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</section>
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<code>
<a name="/s:OV13SWCompression10GzipHeader14FileSystemType"></a>
<a name="//apple_ref/swift/Enum/FileSystemType" class="dashAnchor"></a>
<a class="token" href="#/s:OV13SWCompression10GzipHeader14FileSystemType">FileSystemType</a>
</code>
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<div class="pointer"></div>
<div class="abstract">
<p>Type of file system on which GZip archive was created.</p>
<a href="../Structs/GzipHeader/FileSystemType.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">FileSystemType</span><span class="p">:</span> <span class="kt">Int</span></code></pre>
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<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L26-L41">Show on GitHub</a>
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</section>
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<code>
<a name="/s:vV13SWCompression10GzipHeader17compressionMethodOS0_17CompressionMethod"></a>
<a name="//apple_ref/swift/Property/compressionMethod" class="dashAnchor"></a>
<a class="token" href="#/s:vV13SWCompression10GzipHeader17compressionMethodOS0_17CompressionMethod">compressionMethod</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Compression method of archive. Currently, always equals to <code>.deflate</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="k">let</span> <span class="nv">compressionMethod</span><span class="p">:</span> <span class="kt"><a href="../Structs/GzipHeader/CompressionMethod.html">CompressionMethod</a></span></code></pre>
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</div>
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<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L44">Show on GitHub</a>
</div>
</section>
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<code>
<a name="/s:vV13SWCompression10GzipHeader16modificationTimeGSqV10Foundation4Date_"></a>
<a name="//apple_ref/swift/Property/modificationTime" class="dashAnchor"></a>
<a class="token" href="#/s:vV13SWCompression10GzipHeader16modificationTimeGSqV10Foundation4Date_">modificationTime</a>
</code>
</div>
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<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>The most recent modification time of the original file.
If corresponding archive&rsquo;s field is set to 0, which means that no time was specified,
then this property is <code>nil</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="k">let</span> <span class="nv">modificationTime</span><span class="p">:</span> <span class="kt">Date</span><span class="p">?</span></code></pre>
</div>
</div>
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<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L51">Show on GitHub</a>
</div>
</section>
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</li>
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<code>
<a name="/s:vV13SWCompression10GzipHeader6osTypeOS0_14FileSystemType"></a>
<a name="//apple_ref/swift/Property/osType" class="dashAnchor"></a>
<a class="token" href="#/s:vV13SWCompression10GzipHeader6osTypeOS0_14FileSystemType">osType</a>
</code>
</div>
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<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Type of file system on which archivation took place.</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="k">let</span> <span class="nv">osType</span><span class="p">:</span> <span class="kt"><a href="../Structs/GzipHeader/FileSystemType.html">FileSystemType</a></span></code></pre>
</div>
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<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L54">Show on GitHub</a>
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</section>
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<code>
<a name="/s:vV13SWCompression10GzipHeader8fileNameGSqSS_"></a>
<a name="//apple_ref/swift/Property/fileName" class="dashAnchor"></a>
<a class="token" href="#/s:vV13SWCompression10GzipHeader8fileNameGSqSS_">fileName</a>
</code>
</div>
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<div class="abstract">
<p>Name of the original file. If archive doesn&rsquo;t contain file&rsquo;s name, then <code>nil</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="k">let</span> <span class="nv">fileName</span><span class="p">:</span> <span class="kt">String</span><span class="p">?</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L57">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:vV13SWCompression10GzipHeader7commentGSqSS_"></a>
<a name="//apple_ref/swift/Property/comment" class="dashAnchor"></a>
<a class="token" href="#/s:vV13SWCompression10GzipHeader7commentGSqSS_">comment</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Comment stored in archive. If archive doesn&rsquo;t contain any comment, then <code>nil</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="k">let</span> <span class="nv">comment</span><span class="p">:</span> <span class="kt">String</span><span class="p">?</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L60">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:vV13SWCompression10GzipHeader10isTextFileSb"></a>
<a name="//apple_ref/swift/Property/isTextFile" class="dashAnchor"></a>
<a class="token" href="#/s:vV13SWCompression10GzipHeader10isTextFileSb">isTextFile</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Check if file is likely to be text file or ASCII-file.</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="k">let</span> <span class="nv">isTextFile</span><span class="p">:</span> <span class="kt">Bool</span></code></pre>
</div>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L63">Show on GitHub</a>
</div>
</section>
</div>
</li>
<li class="item">
<div>
<code>
<a name="/s:FV13SWCompression10GzipHeadercFzT7archiveV10Foundation4Data_S0_"></a>
<a name="//apple_ref/swift/Method/init(archive:)" class="dashAnchor"></a>
<a class="token" href="#/s:FV13SWCompression10GzipHeadercFzT7archiveV10Foundation4Data_S0_">init(archive:)</a>
</code>
</div>
<div class="height-container">
<div class="pointer-container"></div>
<section class="section">
<div class="pointer"></div>
<div class="abstract">
<p>Initializes the structure with the values from the first &lsquo;member&rsquo; of GZip <code>archive</code>.</p>
<p>If data passed is not actually a GZip archive, <code><a href="../Enums/GzipError.html">GzipError</a></code> will be thrown.</p>
<div class="aside aside-throws">
<p class="aside-title">Throws</p>
<p><code><a href="../Enums/GzipError.html">GzipError</a></code>. It may indicate that either archive is damaged or
it might not be archived with GZip 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="nf">init</span><span class="p">(</span><span class="n">archive</span> <span class="nv">data</span><span class="p">:</span> <span class="kt">Data</span><span class="p">)</span> <span class="k">throws</span></code></pre>
</div>
</div>
<div>
<h4>Parameters</h4>
<table class="graybox">
<tbody>
<tr>
<td>
<code>
<em>archive</em>
</code>
</td>
<td>
<div>
<p>Data archived with GZip.</p>
</div>
</td>
</tr>
</tbody>
</table>
</div>
<div class="slightly-smaller">
<a href="https://github.com/tsolomko/SWCompression/tree/v3.2.0-test/Sources/GzipHeader.swift#L75-L78">Show on GitHub</a>
</div>
</section>
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