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<li class="navelem"><a class="el" href="namespacedmlc.html">dmlc</a></li><li class="navelem"><a class="el" href="structdmlc_1_1MemoryStringStream.html">MemoryStringStream</a></li> </ul>
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<a href="#pub-methods">Public Member Functions</a> &#124;
<a href="structdmlc_1_1MemoryStringStream-members.html">List of all members</a> </div>
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<div class="title">dmlc::MemoryStringStream Struct Reference</div> </div>
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<p>A in memory stream that is backed by std::string. This class allows us to read/write from/to a std::string.
<a href="structdmlc_1_1MemoryStringStream.html#details">More...</a></p>
<p><code>#include &lt;<a class="el" href="memory__io_8h_source.html">memory_io.h</a>&gt;</code></p>
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Inheritance diagram for dmlc::MemoryStringStream:</div>
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Collaboration diagram for dmlc::MemoryStringStream:</div>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:aef4fbe441bfb50d46c7a761d55bcad9b"><td class="memItemLeft" align="right" valign="top">&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structdmlc_1_1MemoryStringStream.html#aef4fbe441bfb50d46c7a761d55bcad9b">MemoryStringStream</a> (std::string *p_buffer)</td></tr>
<tr class="memdesc:aef4fbe441bfb50d46c7a761d55bcad9b"><td class="mdescLeft">&#160;</td><td class="mdescRight">constructor <a href="structdmlc_1_1MemoryStringStream.html#aef4fbe441bfb50d46c7a761d55bcad9b">More...</a><br /></td></tr>
<tr class="separator:aef4fbe441bfb50d46c7a761d55bcad9b"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3f297018b59227d2a318c88f1a8d1170"><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structdmlc_1_1MemoryStringStream.html#a3f297018b59227d2a318c88f1a8d1170">Read</a> (void *ptr, size_t size)</td></tr>
<tr class="memdesc:a3f297018b59227d2a318c88f1a8d1170"><td class="mdescLeft">&#160;</td><td class="mdescRight">reads data from a stream <a href="structdmlc_1_1MemoryStringStream.html#a3f297018b59227d2a318c88f1a8d1170">More...</a><br /></td></tr>
<tr class="separator:a3f297018b59227d2a318c88f1a8d1170"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a4044c0c29db112f5b8ae79c6e7d2367e"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structdmlc_1_1MemoryStringStream.html#a4044c0c29db112f5b8ae79c6e7d2367e">Write</a> (const void *ptr, size_t size)</td></tr>
<tr class="memdesc:a4044c0c29db112f5b8ae79c6e7d2367e"><td class="mdescLeft">&#160;</td><td class="mdescRight">writes data to a stream <a href="structdmlc_1_1MemoryStringStream.html#a4044c0c29db112f5b8ae79c6e7d2367e">More...</a><br /></td></tr>
<tr class="separator:a4044c0c29db112f5b8ae79c6e7d2367e"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a23d8c9a8093140dcd48e38aacb42aebc"><td class="memItemLeft" align="right" valign="top">virtual void&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structdmlc_1_1MemoryStringStream.html#a23d8c9a8093140dcd48e38aacb42aebc">Seek</a> (size_t pos)</td></tr>
<tr class="memdesc:a23d8c9a8093140dcd48e38aacb42aebc"><td class="mdescLeft">&#160;</td><td class="mdescRight">seek to certain position of the file <a href="structdmlc_1_1MemoryStringStream.html#a23d8c9a8093140dcd48e38aacb42aebc">More...</a><br /></td></tr>
<tr class="separator:a23d8c9a8093140dcd48e38aacb42aebc"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ab866a255b07b9ac1acec55ea4896a084"><td class="memItemLeft" align="right" valign="top">virtual size_t&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="structdmlc_1_1MemoryStringStream.html#ab866a255b07b9ac1acec55ea4896a084">Tell</a> (void)</td></tr>
<tr class="memdesc:ab866a255b07b9ac1acec55ea4896a084"><td class="mdescLeft">&#160;</td><td class="mdescRight">tell the position of the stream <a href="structdmlc_1_1MemoryStringStream.html#ab866a255b07b9ac1acec55ea4896a084">More...</a><br /></td></tr>
<tr class="separator:ab866a255b07b9ac1acec55ea4896a084"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classdmlc_1_1SeekStream"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classdmlc_1_1SeekStream')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classdmlc_1_1SeekStream.html">dmlc::SeekStream</a></td></tr>
<tr class="memitem:a08fe391cbdb6a54c62e08c98c1246ca0 inherit pub_methods_classdmlc_1_1SeekStream"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classdmlc_1_1SeekStream.html#a08fe391cbdb6a54c62e08c98c1246ca0">~SeekStream</a> (void)</td></tr>
<tr class="separator:a08fe391cbdb6a54c62e08c98c1246ca0 inherit pub_methods_classdmlc_1_1SeekStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_methods_classdmlc_1_1Stream"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classdmlc_1_1Stream')"><img src="closed.png" alt="-"/>&#160;Public Member Functions inherited from <a class="el" href="classdmlc_1_1Stream.html">dmlc::Stream</a></td></tr>
<tr class="memitem:a4b1cb597f6f53d10b2e72b49bd695a20 inherit pub_methods_classdmlc_1_1Stream"><td class="memItemLeft" align="right" valign="top">virtual&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classdmlc_1_1Stream.html#a4b1cb597f6f53d10b2e72b49bd695a20">~Stream</a> (void)</td></tr>
<tr class="memdesc:a4b1cb597f6f53d10b2e72b49bd695a20 inherit pub_methods_classdmlc_1_1Stream"><td class="mdescLeft">&#160;</td><td class="mdescRight">virtual destructor <a href="classdmlc_1_1Stream.html#a4b1cb597f6f53d10b2e72b49bd695a20">More...</a><br /></td></tr>
<tr class="separator:a4b1cb597f6f53d10b2e72b49bd695a20 inherit pub_methods_classdmlc_1_1Stream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3600b93771ffdb0c3181bd477e045ce7 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a3600b93771ffdb0c3181bd477e045ce7 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classdmlc_1_1Stream.html#a3600b93771ffdb0c3181bd477e045ce7">Write</a> (const T &amp;data)</td></tr>
<tr class="memdesc:a3600b93771ffdb0c3181bd477e045ce7 inherit pub_methods_classdmlc_1_1Stream"><td class="mdescLeft">&#160;</td><td class="mdescRight">writes a data to stream. <a href="classdmlc_1_1Stream.html#a3600b93771ffdb0c3181bd477e045ce7">More...</a><br /></td></tr>
<tr class="separator:a3600b93771ffdb0c3181bd477e045ce7 inherit pub_methods_classdmlc_1_1Stream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:ae71c1aa5dfabaa2eb542fd51d824f503 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:ae71c1aa5dfabaa2eb542fd51d824f503 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classdmlc_1_1Stream.html#ae71c1aa5dfabaa2eb542fd51d824f503">Read</a> (T *out_data)</td></tr>
<tr class="memdesc:ae71c1aa5dfabaa2eb542fd51d824f503 inherit pub_methods_classdmlc_1_1Stream"><td class="mdescLeft">&#160;</td><td class="mdescRight">loads a data from stream. <a href="classdmlc_1_1Stream.html#ae71c1aa5dfabaa2eb542fd51d824f503">More...</a><br /></td></tr>
<tr class="separator:ae71c1aa5dfabaa2eb542fd51d824f503 inherit pub_methods_classdmlc_1_1Stream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:a3e9f1aae4606bb2dff4e1be8ff5ec079 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:a3e9f1aae4606bb2dff4e1be8ff5ec079 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplItemLeft" align="right" valign="top">void&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classdmlc_1_1Stream.html#a3e9f1aae4606bb2dff4e1be8ff5ec079">WriteArray</a> (const T *data, size_t num_elems)</td></tr>
<tr class="memdesc:a3e9f1aae4606bb2dff4e1be8ff5ec079 inherit pub_methods_classdmlc_1_1Stream"><td class="mdescLeft">&#160;</td><td class="mdescRight">Endian aware write array of data. <a href="classdmlc_1_1Stream.html#a3e9f1aae4606bb2dff4e1be8ff5ec079">More...</a><br /></td></tr>
<tr class="separator:a3e9f1aae4606bb2dff4e1be8ff5ec079 inherit pub_methods_classdmlc_1_1Stream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="memitem:aae7f6937435169a27dbb0050d9bbbd69 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplParams" colspan="2">template&lt;typename T &gt; </td></tr>
<tr class="memitem:aae7f6937435169a27dbb0050d9bbbd69 inherit pub_methods_classdmlc_1_1Stream"><td class="memTemplItemLeft" align="right" valign="top">bool&#160;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classdmlc_1_1Stream.html#aae7f6937435169a27dbb0050d9bbbd69">ReadArray</a> (T *data, size_t num_elems)</td></tr>
<tr class="memdesc:aae7f6937435169a27dbb0050d9bbbd69 inherit pub_methods_classdmlc_1_1Stream"><td class="mdescLeft">&#160;</td><td class="mdescRight">Endian aware read array of data. <a href="classdmlc_1_1Stream.html#aae7f6937435169a27dbb0050d9bbbd69">More...</a><br /></td></tr>
<tr class="separator:aae7f6937435169a27dbb0050d9bbbd69 inherit pub_methods_classdmlc_1_1Stream"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pub_static_methods_classdmlc_1_1SeekStream"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_classdmlc_1_1SeekStream')"><img src="closed.png" alt="-"/>&#160;Static Public Member Functions inherited from <a class="el" href="classdmlc_1_1SeekStream.html">dmlc::SeekStream</a></td></tr>
<tr class="memitem:a02cd26339ea4b0c8b9ee8ff615d223a8 inherit pub_static_methods_classdmlc_1_1SeekStream"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classdmlc_1_1SeekStream.html">SeekStream</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classdmlc_1_1SeekStream.html#a02cd26339ea4b0c8b9ee8ff615d223a8">CreateForRead</a> (const char *uri, bool allow_null=false)</td></tr>
<tr class="memdesc:a02cd26339ea4b0c8b9ee8ff615d223a8 inherit pub_static_methods_classdmlc_1_1SeekStream"><td class="mdescLeft">&#160;</td><td class="mdescRight">generic factory function create an <a class="el" href="classdmlc_1_1SeekStream.html" title="interface of i/o stream that support seek">SeekStream</a> for read only, the stream will close the underlying files upon deletion error will be reported and the system will exit when create failed <a href="classdmlc_1_1SeekStream.html#a02cd26339ea4b0c8b9ee8ff615d223a8">More...</a><br /></td></tr>
<tr class="separator:a02cd26339ea4b0c8b9ee8ff615d223a8 inherit pub_static_methods_classdmlc_1_1SeekStream"><td class="memSeparator" colspan="2">&#160;</td></tr>
<tr class="inherit_header pub_static_methods_classdmlc_1_1Stream"><td colspan="2" onclick="javascript:toggleInherit('pub_static_methods_classdmlc_1_1Stream')"><img src="closed.png" alt="-"/>&#160;Static Public Member Functions inherited from <a class="el" href="classdmlc_1_1Stream.html">dmlc::Stream</a></td></tr>
<tr class="memitem:a243906329f0cea487b35841c9880c028 inherit pub_static_methods_classdmlc_1_1Stream"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classdmlc_1_1Stream.html">Stream</a> *&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classdmlc_1_1Stream.html#a243906329f0cea487b35841c9880c028">Create</a> (const char *uri, const char *const flag, bool allow_null=false)</td></tr>
<tr class="memdesc:a243906329f0cea487b35841c9880c028 inherit pub_static_methods_classdmlc_1_1Stream"><td class="mdescLeft">&#160;</td><td class="mdescRight">generic factory function create an stream, the stream will close the underlying files upon deletion <a href="classdmlc_1_1Stream.html#a243906329f0cea487b35841c9880c028">More...</a><br /></td></tr>
<tr class="separator:a243906329f0cea487b35841c9880c028 inherit pub_static_methods_classdmlc_1_1Stream"><td class="memSeparator" colspan="2">&#160;</td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>A in memory stream that is backed by std::string. This class allows us to read/write from/to a std::string. </p>
</div><h2 class="groupheader">Constructor &amp; Destructor Documentation</h2>
<a id="aef4fbe441bfb50d46c7a761d55bcad9b"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aef4fbe441bfb50d46c7a761d55bcad9b">&#9670;&nbsp;</a></span>MemoryStringStream()</h2>
<div class="memitem">
<div class="memproto">
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<tr>
<td class="mlabels-left">
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<td class="memname">dmlc::MemoryStringStream::MemoryStringStream </td>
<td>(</td>
<td class="paramtype">std::string *&#160;</td>
<td class="paramname"><em>p_buffer</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>constructor </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">p_buffer</td><td>the pointer to the string. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<h2 class="groupheader">Member Function Documentation</h2>
<a id="a3f297018b59227d2a318c88f1a8d1170"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a3f297018b59227d2a318c88f1a8d1170">&#9670;&nbsp;</a></span>Read()</h2>
<div class="memitem">
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<td class="memname">virtual size_t dmlc::MemoryStringStream::Read </td>
<td>(</td>
<td class="paramtype">void *&#160;</td>
<td class="paramname"><em>ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>reads data from a stream </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">ptr</td><td>pointer to a memory buffer </td></tr>
<tr><td class="paramname">size</td><td>block size </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the size of data read </dd></dl>
<p>Implements <a class="el" href="classdmlc_1_1Stream.html#a747da13b990ff68dc9bf9ea5224ad174">dmlc::Stream</a>.</p>
</div>
</div>
<a id="a23d8c9a8093140dcd48e38aacb42aebc"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a23d8c9a8093140dcd48e38aacb42aebc">&#9670;&nbsp;</a></span>Seek()</h2>
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<div class="memproto">
<table class="mlabels">
<tr>
<td class="mlabels-left">
<table class="memname">
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<td class="memname">virtual void dmlc::MemoryStringStream::Seek </td>
<td>(</td>
<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>pos</em></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>seek to certain position of the file </p>
<p>Implements <a class="el" href="classdmlc_1_1SeekStream.html#a2c3e3dd37a3d3854a2acfe2845ca6c12">dmlc::SeekStream</a>.</p>
</div>
</div>
<a id="ab866a255b07b9ac1acec55ea4896a084"></a>
<h2 class="memtitle"><span class="permalink"><a href="#ab866a255b07b9ac1acec55ea4896a084">&#9670;&nbsp;</a></span>Tell()</h2>
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<td class="memname">virtual size_t dmlc::MemoryStringStream::Tell </td>
<td>(</td>
<td class="paramtype">void&#160;</td>
<td class="paramname"></td><td>)</td>
<td></td>
</tr>
</table>
</td>
<td class="mlabels-right">
<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">virtual</span></span> </td>
</tr>
</table>
</div><div class="memdoc">
<p>tell the position of the stream </p>
<p>Implements <a class="el" href="classdmlc_1_1SeekStream.html#abb9876b91c787b538d1aefe460d23290">dmlc::SeekStream</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4044c0c29db112f5b8ae79c6e7d2367e">&#9670;&nbsp;</a></span>Write()</h2>
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<td class="memname">virtual void dmlc::MemoryStringStream::Write </td>
<td>(</td>
<td class="paramtype">const void *&#160;</td>
<td class="paramname"><em>ptr</em>, </td>
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<td class="paramtype">size_t&#160;</td>
<td class="paramname"><em>size</em>&#160;</td>
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<td>)</td>
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<p>writes data to a stream </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">ptr</td><td>pointer to a memory buffer </td></tr>
<tr><td class="paramname">size</td><td>block size </td></tr>
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<p>Implements <a class="el" href="classdmlc_1_1Stream.html#a622f1377a64e841ca80c2dd8e1fa5ffd">dmlc::Stream</a>.</p>
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<hr/>The documentation for this struct was generated from the following file:<ul>
<li>/work/mxnet/3rdparty/dmlc-core/include/dmlc/<a class="el" href="memory__io_8h_source.html">memory_io.h</a></li>
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