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Timofey Solomko
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361 lines
16 KiB
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SWCompression Docs
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ZlibError Enum Reference
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<a class="nav-group-task-link" href="../Protocols/DecompressionAlgorithm.html">DecompressionAlgorithm</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader/CompressionMethod.html">– CompressionMethod</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader/FileSystemType.html">– FileSystemType</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader/CompressionMethod.html">– CompressionMethod</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader/CompressionLevel.html">– CompressionLevel</a>
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<article class="main-content">
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<div class="section-content">
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<h1>ZlibError</h1>
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<div class="declaration">
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<div class="language">
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<pre class="highlight"><code><span class="kd">public</span> <span class="kd">enum</span> <span class="kt">ZlibError</span><span class="p">:</span> <span class="kt">Error</span></code></pre>
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</div>
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</div>
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<p>Error happened during unarchiving Zlib archive.
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It may indicate that either the data is damaged or it might not be Zlib archive at all.</p>
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<ul>
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<li><code>WrongCompressionMethod</code>: unsupported compression method (not 8).</li>
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<li><code>WrongCompressionInfo</code>: unsupported compression info (greater than 7).</li>
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<li><code>WrongFcheck</code>: first two bytes were inconsistent with each other.</li>
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<li><code>WrongCompressionLevel</code>: unsupported compression level (not 0, 1, 2 or 3).</li>
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<li><code>WrongAdler32</code>: computed Adler-32 checksum of uncompressed data didn’t match the archive’s value.
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Associated value contains already decompressed data.</li>
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</ul>
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</div>
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</section>
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<code>
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<a name="/s:FO13SWCompression9ZlibError22WrongCompressionMethodFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongCompressionMethod" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9ZlibError22WrongCompressionMethodFMS0_S0_">WrongCompressionMethod</a>
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</code>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Compression method was other than 8 which is the only supported one.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongCompressionMethod</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/ZlibArchive.swift#L24">Show on GitHub</a>
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</section>
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<code>
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<a name="/s:FO13SWCompression9ZlibError20WrongCompressionInfoFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongCompressionInfo" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9ZlibError20WrongCompressionInfoFMS0_S0_">WrongCompressionInfo</a>
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</code>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Compression info was greater than 7 which is uncompatible number 8 compression method.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongCompressionInfo</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/ZlibArchive.swift#L26">Show on GitHub</a>
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</div>
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</section>
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<code>
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<a name="/s:FO13SWCompression9ZlibError11WrongFcheckFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongFcheck" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9ZlibError11WrongFcheckFMS0_S0_">WrongFcheck</a>
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</code>
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</div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>First two bytes were inconsistent with each other.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongFcheck</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/ZlibArchive.swift#L28">Show on GitHub</a>
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</div>
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</section>
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<div>
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<code>
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<a name="/s:FO13SWCompression9ZlibError21WrongCompressionLevelFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongCompressionLevel" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9ZlibError21WrongCompressionLevelFMS0_S0_">WrongCompressionLevel</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Compression level was other than 0, 1, 2, 3.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongCompressionLevel</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/ZlibArchive.swift#L30">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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<div class="task-group">
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<ul class="item-container">
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<li class="item">
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<div>
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<code>
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<a name="/s:FO13SWCompression9ZlibError12WrongAdler32FMS0_FV10Foundation4DataS0_"></a>
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<a name="//apple_ref/swift/Element/WrongAdler32" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression9ZlibError12WrongAdler32FMS0_FV10Foundation4DataS0_">WrongAdler32</a>
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</code>
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</div>
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<div class="height-container">
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<div class="pointer-container"></div>
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<section class="section">
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<div class="pointer"></div>
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<div class="abstract">
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<p>Computed Adler-32 sum of uncompressed data didn’t match the value stored in the archive.
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Associated value contains already decompressed data.</p>
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</div>
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<div class="declaration">
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<h4>Declaration</h4>
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<div class="language">
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<p class="aside-title">Swift</p>
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<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongAdler32</span><span class="p">(</span><span class="kt">Data</span><span class="p">)</span></code></pre>
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</div>
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</div>
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<div class="slightly-smaller">
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<a href="https://github.com/tsolomko/SWCompression/tree/v2.4.0/Sources/ZlibArchive.swift#L35">Show on GitHub</a>
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</div>
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</section>
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</div>
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</li>
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</ul>
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</div>
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</div>
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</section>
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</article>
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<p>© 2017 Timofey Solomko</p>
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