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<title>QuaZIP: QuaCrc32 Class Reference</title> |
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<a href="#pub-methods">Public Member Functions</a> </div> |
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<div class="title">QuaCrc32 Class Reference</div> </div> |
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<div class="contents"> |
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<!-- doxytag: class="QuaCrc32" --><!-- doxytag: inherits="QuaChecksum32" --> |
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<p>CRC32 checksum. |
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<a href="classQuaCrc32.html#details">More...</a></p> |
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<p><code>#include <<a class="el" href="quacrc32_8h_source.html">quazip/quacrc32.h</a>></code></p> |
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<div class="dynheader"> |
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Inheritance diagram for QuaCrc32:</div> |
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<div class="center"><img src="classQuaCrc32__inherit__graph.png" border="0" usemap="#QuaCrc32_inherit__map" alt="Inheritance graph"/></div> |
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<map name="QuaCrc32_inherit__map" id="QuaCrc32_inherit__map"> |
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<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div> |
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<div class="dynheader"> |
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Collaboration diagram for QuaCrc32:</div> |
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<div class="center"><img src="classQuaCrc32__coll__graph.png" border="0" usemap="#QuaCrc32_coll__map" alt="Collaboration graph"/></div> |
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<p><a href="classQuaCrc32-members.html">List of all members.</a></p> |
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<table class="memberdecls"> |
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<tr><td colspan="2"><h2><a name="pub-methods"></a> |
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Public Member Functions</h2></td></tr> |
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<tr><td class="memItemLeft" align="right" valign="top">quint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#aaf6fdf6e36e55c97bf9eab6ec65ecb9e">calculate</a> (const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> &data)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Calculates the checksum for data. <a href="#aaf6fdf6e36e55c97bf9eab6ec65ecb9e"></a><br/></td></tr> |
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<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a3fe7ce6cb73512c963ffaabfbbc66363"></a><!-- doxytag: member="QuaCrc32::reset" ref="a3fe7ce6cb73512c963ffaabfbbc66363" args="()" --> |
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void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#a3fe7ce6cb73512c963ffaabfbbc66363">reset</a> ()</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Resets the calculation on a checksun for a stream. <br/></td></tr> |
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<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#a5015d80e04afe6e6d094155b7e99888e">update</a> (const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> &buf)</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Updates the calculated checksum for the stream. <a href="#a5015d80e04afe6e6d094155b7e99888e"></a><br/></td></tr> |
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<tr><td class="memItemLeft" align="right" valign="top">quint32 </td><td class="memItemRight" valign="bottom"><a class="el" href="classQuaCrc32.html#a957ce46a53862f75c89d6a3ac4f73389">value</a> ()</td></tr> |
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<tr><td class="mdescLeft"> </td><td class="mdescRight">Value of the checksum calculated for the stream passed throw <a class="el" href="classQuaCrc32.html#a5015d80e04afe6e6d094155b7e99888e" title="Updates the calculated checksum for the stream.">update()</a>. <a href="#a957ce46a53862f75c89d6a3ac4f73389"></a><br/></td></tr> |
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</table> |
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<hr/><a name="details" id="details"></a><h2>Detailed Description</h2> |
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<div class="textblock"><p>CRC32 checksum. </p> |
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<p>This class wrappers the crc32 function with the <a class="el" href="classQuaChecksum32.html" title="Checksum interface.">QuaChecksum32</a> interface. See <a class="el" href="classQuaChecksum32.html" title="Checksum interface.">QuaChecksum32</a> for more info. </p> |
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</div><hr/><h2>Member Function Documentation</h2> |
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<a class="anchor" id="aaf6fdf6e36e55c97bf9eab6ec65ecb9e"></a><!-- doxytag: member="QuaCrc32::calculate" ref="aaf6fdf6e36e55c97bf9eab6ec65ecb9e" args="(const QByteArray &data)" --> |
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<td class="memname">quint32 QuaCrc32::calculate </td> |
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<td>(</td> |
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<td class="paramtype">const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> & </td> |
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<td class="paramname"><em>data</em></td><td>)</td> |
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<td><code> [virtual]</code></td> |
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<p>Calculates the checksum for data. </p> |
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<p><em>data</em> source data </p> |
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<dl class="return"><dt><b>Returns:</b></dt><dd>data checksum</dd></dl> |
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<p>This function has no efect on the value returned by <a class="el" href="classQuaCrc32.html#a957ce46a53862f75c89d6a3ac4f73389" title="Value of the checksum calculated for the stream passed throw update().">value()</a>. </p> |
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<p>Implements <a class="el" href="classQuaChecksum32.html#a14d800fcfd55b2ae11ef07d3924fe0b1">QuaChecksum32</a>.</p> |
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<p>References <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#data">QByteArray::data()</a>, and <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#size">QByteArray::size()</a>.</p> |
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<a class="anchor" id="a5015d80e04afe6e6d094155b7e99888e"></a><!-- doxytag: member="QuaCrc32::update" ref="a5015d80e04afe6e6d094155b7e99888e" args="(const QByteArray &buf)" --> |
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<td class="memname">void QuaCrc32::update </td> |
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<td>(</td> |
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<td class="paramtype">const <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html">QByteArray</a> & </td> |
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<td class="paramname"><em>buf</em></td><td>)</td> |
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<td><code> [virtual]</code></td> |
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<p>Updates the calculated checksum for the stream. </p> |
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<p><em>buf</em> next portion of data from the stream </p> |
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<p>Implements <a class="el" href="classQuaChecksum32.html#a63a6ed3171f9243214d307da67557f7e">QuaChecksum32</a>.</p> |
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<p>References <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#data">QByteArray::data()</a>, and <a class="elRef" doxygen="qtcore.tags:http://doc.qt.io/qt-5//" href="http://doc.qt.io/qt-5/qbytearray.html#size">QByteArray::size()</a>.</p> |
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<a class="anchor" id="a957ce46a53862f75c89d6a3ac4f73389"></a><!-- doxytag: member="QuaCrc32::value" ref="a957ce46a53862f75c89d6a3ac4f73389" args="()" --> |
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<td class="memname">quint32 QuaCrc32::value </td> |
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<td>(</td> |
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<td class="paramname"></td><td>)</td> |
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<td><code> [virtual]</code></td> |
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<p>Value of the checksum calculated for the stream passed throw <a class="el" href="classQuaCrc32.html#a5015d80e04afe6e6d094155b7e99888e" title="Updates the calculated checksum for the stream.">update()</a>. </p> |
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<dl class="return"><dt><b>Returns:</b></dt><dd>checksum </dd></dl> |
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<p>Implements <a class="el" href="classQuaChecksum32.html#afd836e7534194fce08356be6a8336da7">QuaChecksum32</a>.</p> |
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</div> |
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<hr/>The documentation for this class was generated from the following files:<ul> |
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<li>quazip/<a class="el" href="quacrc32_8h_source.html">quacrc32.h</a></li> |
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<li>quazip/quacrc32.cpp</li> |
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</ul> |
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