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Timofey Solomko
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520 lines
24 KiB
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<title>XZError Enum Reference</title>
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SWCompression Docs
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XZError Enum Reference
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<a class="nav-group-task-link" href="../Protocols/Archive.html">Archive</a>
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<a class="nav-group-task-link" href="../Protocols/DecompressionAlgorithm.html">DecompressionAlgorithm</a>
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<li class="nav-group-task">
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<a class="nav-group-task-link" href="../Structs/GzipHeader.html">GzipHeader</a>
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<a class="nav-group-task-link" href="../Structs/GzipHeader/CompressionMethod.html">– CompressionMethod</a>
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<li class="nav-group-task">
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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.html">ZlibHeader</a>
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<a class="nav-group-task-link" href="../Structs/ZlibHeader/CompressionMethod.html">– CompressionMethod</a>
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<li class="nav-group-task">
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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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<section class="section">
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<div class="section-content">
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<h1>XZError</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">XZError</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 xz archive.
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It may indicate that either the data is damaged or it might not be xz archive at all.</p>
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<ul>
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<li><code>WrongMagic</code>: ‘magic’ bytes in archive’s header or footer weren’t equal to predefined value.</li>
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<li><code>WrongArchiveInfo</code>: incorrect value of one of archive’s special field (in block, index, header or footer).</li>
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<li><code>FieldReservedValue</code>: value of one of archive’s special field
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(in block, index, header or footer) had reserved value.</li>
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<li><code>WrongInfoCRC</code>: incorrect value of one of archive’s special field (in block, index, header or footer).</li>
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<li><code>WrongFilterID</code>: unsupported value of filter ID (not LZMA2’s 0x21).</li>
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<li><code>CheckTypeSHA256</code>: checksum’s type was SHA-256.</li>
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<li><code>WrongDataSize</code>: size of compressed or decompressed data wasn’t the same as specified in block.</li>
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<li><code>WrongCheck</code>: computed 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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<li><code>WrongPadding</code>: unsupported padding of one of structures in the archive.</li>
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<li><code>MultiByteIntegerError</code>: error happened during reading of one of so called ‘multi-byte’ numbers.</li>
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</ul>
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</div>
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</section>
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<section class="section">
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<div class="section-content">
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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:FO13SWCompression7XZError10WrongMagicFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongMagic" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError10WrongMagicFMS0_S0_">WrongMagic</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>Either magic number in header or footer was not equal to predefined value.</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">WrongMagic</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/v2.0.0/Sources/XZArchive.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:FO13SWCompression7XZError16WrongArchiveInfoFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongArchiveInfo" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError16WrongArchiveInfoFMS0_S0_">WrongArchiveInfo</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>One of special fields of archive had an incorrect value.</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">WrongArchiveInfo</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/v2.0.0/Sources/XZArchive.swift#L32">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:FO13SWCompression7XZError18FieldReservedValueFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/FieldReservedValue" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError18FieldReservedValueFMS0_S0_">FieldReservedValue</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>One of special fields of archive had a reserved value.</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">FieldReservedValue</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/v2.0.0/Sources/XZArchive.swift#L34">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:FO13SWCompression7XZError12WrongInfoCRCFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongInfoCRC" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError12WrongInfoCRCFMS0_S0_">WrongInfoCRC</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>Checksum of one of special fields of archive was incorrect.</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">WrongInfoCRC</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/v2.0.0/Sources/XZArchive.swift#L36">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:FO13SWCompression7XZError13WrongFilterIDFMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/WrongFilterID" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError13WrongFilterIDFMS0_S0_">WrongFilterID</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>ID of filter(s) used in archvie was unsupported.</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">WrongFilterID</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/v2.0.0/Sources/XZArchive.swift#L38">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:FO13SWCompression7XZError15CheckTypeSHA256FMS0_S0_"></a>
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<a name="//apple_ref/swift/Element/CheckTypeSHA256" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError15CheckTypeSHA256FMS0_S0_">CheckTypeSHA256</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>Type of checksum of archive was SHA-256.</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">CheckTypeSHA256</span></code></pre>
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|
||
</div>
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||
</div>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/v2.0.0/Sources/XZArchive.swift#L40">Show on GitHub</a>
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||
</div>
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||
</section>
|
||
</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:FO13SWCompression7XZError13WrongDataSizeFMS0_S0_"></a>
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||
<a name="//apple_ref/swift/Element/WrongDataSize" class="dashAnchor"></a>
|
||
<a class="token" href="#/s:FO13SWCompression7XZError13WrongDataSizeFMS0_S0_">WrongDataSize</a>
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||
</code>
|
||
</div>
|
||
<div class="height-container">
|
||
<div class="pointer-container"></div>
|
||
<section class="section">
|
||
<div class="pointer"></div>
|
||
<div class="abstract">
|
||
<p>Either size of decompressed data was not equal to specified one in block header or
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amount of compressed data read was different from the one stored in block header.</p>
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|
||
</div>
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||
<div class="declaration">
|
||
<h4>Declaration</h4>
|
||
<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">WrongDataSize</span></code></pre>
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|
||
</div>
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||
</div>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/v2.0.0/Sources/XZArchive.swift#L45">Show on GitHub</a>
|
||
</div>
|
||
</section>
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||
</div>
|
||
</li>
|
||
</ul>
|
||
</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:FO13SWCompression7XZError10WrongCheckFMS0_FV10Foundation4DataS0_"></a>
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||
<a name="//apple_ref/swift/Element/WrongCheck" class="dashAnchor"></a>
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<a class="token" href="#/s:FO13SWCompression7XZError10WrongCheckFMS0_FV10Foundation4DataS0_">WrongCheck</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">
|
||
<div class="pointer"></div>
|
||
<div class="abstract">
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<p>Computed checksum 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">WrongCheck</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>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/v2.0.0/Sources/XZArchive.swift#L50">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:FO13SWCompression7XZError12WrongPaddingFMS0_S0_"></a>
|
||
<a name="//apple_ref/swift/Element/WrongPadding" class="dashAnchor"></a>
|
||
<a class="token" href="#/s:FO13SWCompression7XZError12WrongPaddingFMS0_S0_">WrongPadding</a>
|
||
</code>
|
||
</div>
|
||
<div class="height-container">
|
||
<div class="pointer-container"></div>
|
||
<section class="section">
|
||
<div class="pointer"></div>
|
||
<div class="abstract">
|
||
<p>Unsupported padding of a structure in the archive.</p>
|
||
|
||
</div>
|
||
<div class="declaration">
|
||
<h4>Declaration</h4>
|
||
<div class="language">
|
||
<p class="aside-title">Swift</p>
|
||
<pre class="highlight"><code><span class="k">case</span> <span class="kt">WrongPadding</span></code></pre>
|
||
|
||
</div>
|
||
</div>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/v2.0.0/Sources/XZArchive.swift#L52">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:FO13SWCompression7XZError21MultiByteIntegerErrorFMS0_S0_"></a>
|
||
<a name="//apple_ref/swift/Element/MultiByteIntegerError" class="dashAnchor"></a>
|
||
<a class="token" href="#/s:FO13SWCompression7XZError21MultiByteIntegerErrorFMS0_S0_">MultiByteIntegerError</a>
|
||
</code>
|
||
</div>
|
||
<div class="height-container">
|
||
<div class="pointer-container"></div>
|
||
<section class="section">
|
||
<div class="pointer"></div>
|
||
<div class="abstract">
|
||
<p>Either null byte encountered or exceeded maximum amount bytes during reading multi byte number.</p>
|
||
|
||
</div>
|
||
<div class="declaration">
|
||
<h4>Declaration</h4>
|
||
<div class="language">
|
||
<p class="aside-title">Swift</p>
|
||
<pre class="highlight"><code><span class="k">case</span> <span class="kt">MultiByteIntegerError</span></code></pre>
|
||
|
||
</div>
|
||
</div>
|
||
<div class="slightly-smaller">
|
||
<a href="https://github.com/tsolomko/SWCompression/tree/v2.0.0/Sources/XZArchive.swift#L54">Show on GitHub</a>
|
||
</div>
|
||
</section>
|
||
</div>
|
||
</li>
|
||
</ul>
|
||
</div>
|
||
</div>
|
||
</section>
|
||
|
||
</article>
|
||
</div>
|
||
<section class="footer">
|
||
<p>© 2016 Timofey Solomko</p>
|
||
<p>Generated by <a class="link" href="https://github.com/realm/jazzy" target="_blank" rel="external">jazzy ♪♫ v0.7.3</a>, a <a class="link" href="http://realm.io" target="_blank" rel="external">Realm</a> project.</p>
|
||
</section>
|
||
</body>
|
||
</div>
|
||
</html>
|