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<title>Class Poco::InflatingStreamBuf</title>
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<meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/>
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<meta name="date" content="2009-11-24"/>
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<h1 class="namespace"><a href="Poco.html" class="namespace">Poco</a></h1>
<h1 class="symbol">class InflatingStreamBuf</h1>
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<b>Library:</b> Foundation<br />
<b>Package:</b> Streams<br />
<b>Header:</b> Poco/InflatingStream.h</p>
<h2>Description</h2>
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<p>This is the streambuf class used by <a href="Poco.InflatingInputStream.html" title="class Poco::InflatingInputStream">InflatingInputStream</a> and <a href="Poco.InflatingOutputStream.html" title="class Poco::InflatingOutputStream">InflatingOutputStream</a>. The actual work is delegated to zlib 1.2.1 (see <a href="http://www.gzip.org" target="_blank">http://www.gzip.org</a>). Both zlib (deflate) streams and gzip streams are supported. Output streams should always call <a href="Poco.InflatingStreamBuf.html#7579" title="Poco::InflatingStreamBuf::close()">close</a>() to ensure proper completion of decompression. </p>
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<h2>Inheritance</h2>
<p><b>Direct Base Classes: </b>BufferedStreamBuf</p>
<p><b>All Base Classes: </b><a href="Poco.html#4028" title="Poco::BufferedStreamBuf">BufferedStreamBuf</a></p>
<h2>Member Summary</h2>
<p><b>Member Functions: </b><a href="Poco.InflatingStreamBuf.html#7579" title="Poco::InflatingStreamBuf::close()">close</a>, <a href="Poco.InflatingStreamBuf.html#7581" title="Poco::InflatingStreamBuf::readFromDevice()">readFromDevice</a>, <a href="Poco.InflatingStreamBuf.html#7580" title="Poco::InflatingStreamBuf::reset()">reset</a>, <a href="Poco.InflatingStreamBuf.html#7584" title="Poco::InflatingStreamBuf::writeToDevice()">writeToDevice</a></p>
<h2>Enumerations</h2>
<h3><a name="7568">StreamType</a></h3>
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<p class="decl"><a name="7569">STREAM_ZLIB</a></p>
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<p class="decl"><a name="7570">STREAM_GZIP</a></p>
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<p class="decl"><a name="7571">STREAM_ZIP</a></p>
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<h2>Constructors</h2>
<h3><a name="7572">InflatingStreamBuf</a></h3>
<p class="decl"><a href="Poco.InflatingStreamBuf.html" title="class Poco::InflatingStreamBuf">InflatingStreamBuf</a>(<br /> std::istream & istr,<br /> <a href="Poco.InflatingStreamBuf.html#7568" title="enum Poco::InflatingStreamBuf::StreamType">StreamType</a> type<br />);</p>
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<h3><a name="7575">InflatingStreamBuf</a></h3>
<p class="decl"><a href="Poco.InflatingStreamBuf.html" title="class Poco::InflatingStreamBuf">InflatingStreamBuf</a>(<br /> std::ostream & ostr,<br /> <a href="Poco.InflatingStreamBuf.html#7568" title="enum Poco::InflatingStreamBuf::StreamType">StreamType</a> type<br />);</p>
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<h2>Destructor</h2>
<h3><a name="7578">~InflatingStreamBuf</a></h3>
<p class="decl">~<a href="Poco.InflatingStreamBuf.html" title="class Poco::InflatingStreamBuf">InflatingStreamBuf</a>();</p>
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<h2>Member Functions</h2>
<h3><a name="7579">close</a></h3>
<p class="decl">int close();</p>
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<h3><a name="7580">reset</a></h3>
<p class="decl">void reset();</p>
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<h3><a name="7581">readFromDevice</a> <img src="images/protected.gif" alt="protected" title="protected" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">int readFromDevice(<br /> char * buffer,<br /> std::streamsize length<br />);</p>
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<h3><a name="7584">writeToDevice</a> <img src="images/protected.gif" alt="protected" title="protected" style="vertical-align:baseline;" border="0" /> </h3>
<p class="decl">int writeToDevice(<br /> const char * buffer,<br /> std::streamsize length<br />);</p>
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<p class="footer">POCO C++ Libraries 1.3.6-all<br />
Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p>
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