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<a href="#pub-types">Public Types</a> |
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<div class="title">mrpt::utils::CMemoryStream Class Reference<div class="ingroups"><a class="el" href="group__mrpt__base__grp.html">[mrpt-base]</a></div></div> </div>
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<!-- doxytag: class="mrpt::utils::CMemoryStream" --><!-- doxytag: inherits="mrpt::utils::CStream" --><hr/><a name="details" id="details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>This <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv...">CStream</a> derived class allow using a memory buffer as a <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv...">CStream</a>. </p>
<p>This class is useful for storing any required set of variables or objects, and then read them to other objects, or storing them to a file, for example.</p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv...">CStream</a> </dd></dl>
</div>
<p><code>#include <<a class="el" href="_c_memory_stream_8h_source.html">mrpt/utils/CMemoryStream.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for mrpt::utils::CMemoryStream:</div>
<div class="dyncontent">
<div class="center"><img src="classmrpt_1_1utils_1_1_c_memory_stream__inherit__graph.png" border="0" usemap="#mrpt_1_1utils_1_1_c_memory_stream_inherit__map" alt="Inheritance graph"/></div>
<map name="mrpt_1_1utils_1_1_c_memory_stream_inherit__map" id="mrpt_1_1utils_1_1_c_memory_stream_inherit__map">
<area shape="rect" id="node5" href="classmrpt_1_1utils_1_1_c_memory_chunk.html" title="A memory buffer (implements CStream) which can be itself serialized." alt="" coords="7,155,189,181"/><area shape="rect" id="node2" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv..." alt="" coords="29,5,168,32"/></map>
<center><span class="legend">[<a href="graph_legend.html">legend</a>]</span></center></div>
<p><a href="classmrpt_1_1utils_1_1_c_memory_stream-members.html">List of all members.</a></p>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">TSeekOrigin</a> { <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059a41fe2275587eb7fb10ddbddd86af2beb">sFromBeginning</a> = 0,
<a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059ad45b9078d6eec3c607e7df0b7a2c66c0">sFromCurrent</a> = 1,
<a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059ad1818126a04dd7285e23554157f9f309">sFromEnd</a> = 2
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Used in <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84" title="Introduces a pure virtual method for moving to a specified position in the streamed resource...">CStream::Seek</a>. <a href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">More...</a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#aea53978e7f51862b1ffab7674e2027e3">CMemoryStream</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <a href="#aea53978e7f51862b1ffab7674e2027e3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#aa35d5aab222b9f3859d101fae38c4431">CMemoryStream</a> (const void *data, const uint64_t nBytesInData)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor to initilize the data in the stream from a block of memory (which is copied), and sets the current stream position at the beginning of the data. <a href="#aa35d5aab222b9f3859d101fae38c4431"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a47e0eede59276095c4e46539f8457583">assignMemoryNotOwn</a> (const void *data, const uint64_t nBytesInData)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Initilize the data in the stream from a block of memory which is NEITHER OWNED NOR COPIED by the object, so it must exist during the whole live of the object. <a href="#a47e0eede59276095c4e46539f8457583"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#aeaac892e8e0f42f26695a896514adabd">~CMemoryStream</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <a href="#aeaac892e8e0f42f26695a896514adabd"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a94e19c7bfad35f76f7cc466f9253a3eb">Clear</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Clears the memory buffer. <a href="#a94e19c7bfad35f76f7cc466f9253a3eb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a7828e2dd623e8f77cb60ed6f2e795d65">changeSize</a> (uint64_t newSize)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Change size. <a href="#a7828e2dd623e8f77cb60ed6f2e795d65"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a4a13e776c1d2ce68646c5d91485845a3">Seek</a> (long Offset, <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">CStream::TSeekOrigin</a> Origin=sFromBeginning)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method for moving to a specified position in the streamed resource. <a href="#a4a13e776c1d2ce68646c5d91485845a3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a6df71d5522b63ab663b488e61563b629">getTotalBytesCount</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the total size of the internal buffer. <a href="#a6df71d5522b63ab663b488e61563b629"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a7903ebb21510d2ea4271c2213de97ab7">getPosition</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method for getting the current cursor position, where 0 is the first byte and TotalBytesCount-1 the last one. <a href="#a7903ebb21510d2ea4271c2213de97ab7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void * </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#aa128abbad2ffab7968b1e93428a5b192">getRawBufferData</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method for getting a pointer to the raw stored data. <a href="#aa128abbad2ffab7968b1e93428a5b192"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a74ceef7b9d7087ae1ecfbfdc660edc08">saveBufferToFile</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &file_name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Saves the entire buffer to a file. <a href="#a74ceef7b9d7087ae1ecfbfdc660edc08"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a6fc704a894c847659388dc2b28d94fc9">loadBufferFromFile</a> (const <a class="el" href="classstd_1_1string.html">std::string</a> &file_name)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Loads the entire buffer from a file. <a href="#a6fc704a894c847659388dc2b28d94fc9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a4c4fe039b5cfd2dc62edb44d2d589ae7">setAllocBlockSize</a> (uint64_t alloc_block_size)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Change the size of the additional memory block that is reserved whenever the current block runs too short (default=0x10000 bytes) <a href="#a4c4fe039b5cfd2dc62edb44d2d589ae7"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b8cd3d084b5a95a3f65c6eed6e7cc6d">ReadBuffer</a> (void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads a block of bytes from the stream into Buffer </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
<a href="#a1b8cd3d084b5a95a3f65c6eed6e7cc6d"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">size_t </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab3f8382b9a971abc79414464fffc7937">ReadBufferFixEndianness</a> (T *ptr, size_t ElementCount)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream standard (little endianness) to the format of the running architecture. <a href="#ab3f8382b9a971abc79414464fffc7937"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aa38fe9bc49615cfae5de267903b2399b">ReadBufferImmediate</a> (void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads a block of bytes from the stream into Buffer, and returns the amound of bytes actually read, without waiting for more extra bytes to arrive (just those already enqued in the stream). <a href="#aa38fe9bc49615cfae5de267903b2399b"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a276005e7110c9de74ff3277b3f7bf621">WriteBuffer</a> (const void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes a block of bytes to the stream from Buffer. <a href="#a276005e7110c9de74ff3277b3f7bf621"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ae229ab566ba2b9e6d2c39e32c2a9ecab">WriteBufferFixEndianness</a> (const T *ptr, size_t ElementCount)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes a sequence of elemental datatypes, taking care of reordering their bytes from the running architecture to MRPT stream standard (little endianness). <a href="#ae229ab566ba2b9e6d2c39e32c2a9ecab"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a3d0bf6d8bf299f8c2bf08dc2798a525f">CopyFrom</a> (<a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> *Source, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Copies a specified number of bytes from one stream to another. <a href="#a3d0bf6d8bf299f8c2bf08dc2798a525f"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aa0e9fb01aaced829b0043d50bf616c03">WriteObject</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> *o)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes an object to the stream. <a href="#aa0e9fb01aaced829b0043d50bf616c03"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a290510e87656433dfd093cc31d34371c">ReadObject</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads an object from stream, its class determined at runtime, and returns a smart pointer to the object. <a href="#a290510e87656433dfd093cc31d34371c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a097cb147fd764a0fa7d86de9734fce3c">ReadObject</a> (<a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> *existingObj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads an object from stream, where its class must be the same as the supplied object, where the loaded object will be stored in. <a href="#a097cb147fd764a0fa7d86de9734fce3c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a0bbc0a924370c19c8afcd809272af0a9">operator<<</a> (const <a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> &pObj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write an object to a stream in the binary MRPT format. <a href="#a0bbc0a924370c19c8afcd809272af0a9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b7e00957f3d9c15b2e689a43084e592">operator<<</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> &obj)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write an object to a stream in the binary MRPT format. <a href="#a1b7e00957f3d9c15b2e689a43084e592"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a47ecf9142e139b0b48526c2792bebe99">operator>></a> (<a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> &pObj)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aeb5ef746d5dc057e535f5188c5e01d74">operator>></a> (<a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> &obj)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1e02f8771e15e54157cda18fb63872a3">printf</a> (const char *fmt,...) MRPT_printf_format_check(2</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Writes a string to the stream in a textual form. <a href="#a1e02f8771e15e54157cda18fb63872a3"></a><br/></td></tr>
<tr><td class="memTemplParams" colspan="2">template<typename T > </td></tr>
<tr><td class="memTemplItemLeft" align="right" valign="top">virtual int void </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab93e0c6185c8c3b82abd067962650947">printf_vector</a> (const char *fmt, const <a class="el" href="classstd_1_1vector.html">std::vector</a>< T > &V)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Prints a vector in the format [A,B,C,...] using <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1e02f8771e15e54157cda18fb63872a3" title="Writes a string to the stream in a textual form.">CStream::printf</a>, and the fmt string for <b>each</b> vector element. <a href="#ab93e0c6185c8c3b82abd067962650947"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a108c4d9cadd58b1ec0800c6c4816ff55">sendMessage</a> (const <a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> &msg)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Send a message to the device. <a href="#a108c4d9cadd58b1ec0800c6c4816ff55"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a95eb299dfa91e1d5962e2acd5bb671a6">receiveMessage</a> (<a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> &msg)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Tries to receive a message from the device. <a href="#a95eb299dfa91e1d5962e2acd5bb671a6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a4e9a487df9170de72ae0ecc21bc4e867">getline</a> (<a class="el" href="classstd_1_1string.html">std::string</a> &out_str)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Reads from the stream until a '<br/>
' character is found ('' characters are ignored). <a href="#a4e9a487df9170de72ae0ecc21bc4e867"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a2ae398009e919eeb8a63a6a1f707960a">Read</a> (void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method responsible for reading from the stream. <a href="#a2ae398009e919eeb8a63a6a1f707960a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#aaa298420c79a279ca6d70323fd42ae5c">Write</a> (const void *Buffer, size_t Count)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Method responsible for writing to the stream. <a href="#aaa298420c79a279ca6d70323fd42ae5c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a85b6fab0204e25256f30dea0373e5706">resize</a> (uint64_t newSize)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Resizes the internal buffer size. <a href="#a85b6fab0204e25256f30dea0373e5706"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="namespacemrpt_1_1utils.html#ac3912bceb5e2a4662830ec51584d134b">void_ptr_noncopy</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#ae8ae5da03c963cd77b77e014b0b5fff3">m_memory</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Internal data. <a href="#ae8ae5da03c963cd77b77e014b0b5fff3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a1d12c9f7ead9541a42829cbac4931618">m_size</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a6b6534c253937fa97599a79dff189009">m_position</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#ac3a3dae9c99016716f641c3636286bb9">m_bytesWritten</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">uint64_t </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a7d09a37fd2c58d79d6501d99fd1b5432">m_alloc_block_size</a></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a6c98ad5f662d31acec4ab1ec2a0c1034">m_read_only</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">If the memory block does not belong to the object. <a href="#a6c98ad5f662d31acec4ab1ec2a0c1034"></a><br/></td></tr>
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<hr/><h2>Member Enumeration Documentation</h2>
<a class="anchor" id="aab22931626d22c919a50183386d24059"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::TSeekOrigin" ref="aab22931626d22c919a50183386d24059" args="" -->
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<td class="memname">enum <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">mrpt::utils::CStream::TSeekOrigin</a><code> [inherited]</code></td>
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<div class="memdoc">
<p>Used in <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84" title="Introduces a pure virtual method for moving to a specified position in the streamed resource...">CStream::Seek</a>. </p>
<dl><dt><b>Enumerator: </b></dt><dd><table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"><em><a class="anchor" id="aab22931626d22c919a50183386d24059a41fe2275587eb7fb10ddbddd86af2beb"></a><!-- doxytag: member="sFromBeginning" ref="aab22931626d22c919a50183386d24059a41fe2275587eb7fb10ddbddd86af2beb" args="" -->sFromBeginning</em> </td><td>
</td></tr>
<tr><td valign="top"><em><a class="anchor" id="aab22931626d22c919a50183386d24059ad45b9078d6eec3c607e7df0b7a2c66c0"></a><!-- doxytag: member="sFromCurrent" ref="aab22931626d22c919a50183386d24059ad45b9078d6eec3c607e7df0b7a2c66c0" args="" -->sFromCurrent</em> </td><td>
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</dd>
</dl>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00060">60</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
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</div>
<hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="aea53978e7f51862b1ffab7674e2027e3"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::CMemoryStream" ref="aea53978e7f51862b1ffab7674e2027e3" args="()" -->
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<td class="memname">mrpt::utils::CMemoryStream::CMemoryStream </td>
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<p>Default constructor. </p>
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<a class="anchor" id="aa35d5aab222b9f3859d101fae38c4431"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::CMemoryStream" ref="aa35d5aab222b9f3859d101fae38c4431" args="(const void *data, const uint64_t nBytesInData)" -->
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<td class="memname">mrpt::utils::CMemoryStream::CMemoryStream </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const uint64_t </td>
<td class="paramname"><em>nBytesInData</em> </td>
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<p>Constructor to initilize the data in the stream from a block of memory (which is copied), and sets the current stream position at the beginning of the data. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a47e0eede59276095c4e46539f8457583" title="Initilize the data in the stream from a block of memory which is NEITHER OWNED NOR COPIED by the obje...">assignMemoryNotOwn</a> </dd></dl>
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<a class="anchor" id="aeaac892e8e0f42f26695a896514adabd"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::~CMemoryStream" ref="aeaac892e8e0f42f26695a896514adabd" args="()" -->
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<td class="memname">virtual mrpt::utils::CMemoryStream::~CMemoryStream </td>
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<td class="paramname"></td><td>)</td>
<td><code> [virtual]</code></td>
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<div class="memdoc">
<p>Destructor. </p>
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<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="a47e0eede59276095c4e46539f8457583"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::assignMemoryNotOwn" ref="a47e0eede59276095c4e46539f8457583" args="(const void *data, const uint64_t nBytesInData)" -->
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<td class="memname">void mrpt::utils::CMemoryStream::assignMemoryNotOwn </td>
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<td class="paramtype">const void * </td>
<td class="paramname"><em>data</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">const uint64_t </td>
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<p>Initilize the data in the stream from a block of memory which is NEITHER OWNED NOR COPIED by the object, so it must exist during the whole live of the object. </p>
<p>After assigning a block of data with this method, the object becomes "read-only", so further attempts to change the size of the buffer will raise an exception. This method resets the write and read positions to the beginning. </p>
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<a class="anchor" id="a7828e2dd623e8f77cb60ed6f2e795d65"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::changeSize" ref="a7828e2dd623e8f77cb60ed6f2e795d65" args="(uint64_t newSize)" -->
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<td class="memname">void mrpt::utils::CMemoryStream::changeSize </td>
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<td class="paramtype">uint64_t </td>
<td class="paramname"><em>newSize</em></td><td>)</td>
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<p>Change size. </p>
<p>This would be rarely used. Use ">>" operators for writing to stream. </p>
<dl class="see"><dt><b>See also:</b></dt><dd>Stream </dd></dl>
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<a class="anchor" id="a94e19c7bfad35f76f7cc466f9253a3eb"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::Clear" ref="a94e19c7bfad35f76f7cc466f9253a3eb" args="()" -->
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<td class="memname">void mrpt::utils::CMemoryStream::Clear </td>
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<p>Clears the memory buffer. </p>
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<a class="anchor" id="a3d0bf6d8bf299f8c2bf08dc2798a525f"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::CopyFrom" ref="a3d0bf6d8bf299f8c2bf08dc2798a525f" args="(CStream *Source, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CStream::CopyFrom </td>
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<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a> * </td>
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<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
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<td></td><td><code> [inherited]</code></td>
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<p>Copies a specified number of bytes from one stream to another. </p>
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<td class="memname">bool mrpt::utils::CStream::getline </td>
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<td class="paramname"><em>out_str</em></td><td>)</td>
<td><code> [inherited]</code></td>
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<p>Reads from the stream until a '<br/>
' character is found ('' characters are ignored). </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>false on EOF or any other read error. </dd></dl>
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<a class="anchor" id="a7903ebb21510d2ea4271c2213de97ab7"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::getPosition" ref="a7903ebb21510d2ea4271c2213de97ab7" args="()" -->
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<td><code> [virtual]</code></td>
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<p>Method for getting the current cursor position, where 0 is the first byte and TotalBytesCount-1 the last one. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a4b7674b79b6c69683c30bc9e7302c88f">mrpt::utils::CStream</a>.</p>
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<p>Method for getting a pointer to the raw stored data. </p>
<p>The lenght in bytes is given by getTotalBytesCount </p>
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<p>Returns the total size of the internal buffer. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a86ad2f8a14100b0d793bbf88d4b6f3c1">mrpt::utils::CStream</a>.</p>
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<a class="anchor" id="a6fc704a894c847659388dc2b28d94fc9"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::loadBufferFromFile" ref="a6fc704a894c847659388dc2b28d94fc9" args="(const std::string &file_name)" -->
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<p>Loads the entire buffer from a file. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true on success, false on error </dd></dl>
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<td><code> [inherited]</code></td>
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<p>Write an object to a stream in the binary MRPT format. </p>
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<td class="memname"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html">CStream</a>& mrpt::utils::CStream::operator<< </td>
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<td><code> [inherited]</code></td>
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<p>Write an object to a stream in the binary MRPT format. </p>
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<td><code> [inherited]</code></td>
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<td><code> [inherited]</code></td>
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<td class="paramtype"> </td>
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<td></td>
<td>)</td>
<td></td><td><code> [virtual, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Writes a string to the stream in a textual form. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_std_out_stream.html" title="This CStdOutStream derived class allow printing to standard out, normally the console text output...">CStdOutStream</a> </dd></dl>
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</div>
<a class="anchor" id="ab93e0c6185c8c3b82abd067962650947"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::printf_vector" ref="ab93e0c6185c8c3b82abd067962650947" args="(const char *fmt, const std::vector< T > &V)" -->
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template<typename T > </div>
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<td class="memname">virtual int void mrpt::utils::CStream::printf_vector </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>fmt</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classstd_1_1vector.html">std::vector</a>< T > & </td>
<td class="paramname"><em>V</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Prints a vector in the format [A,B,C,...] using <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1e02f8771e15e54157cda18fb63872a3" title="Writes a string to the stream in a textual form.">CStream::printf</a>, and the fmt string for <b>each</b> vector element. </p>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00219">219</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
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<a class="anchor" id="a2ae398009e919eeb8a63a6a1f707960a"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::Read" ref="a2ae398009e919eeb8a63a6a1f707960a" args="(void *Buffer, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CMemoryStream::Read </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [protected, virtual]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Method responsible for reading from the stream. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1ab0c4a0857bc41248808dc8b75d32d9">mrpt::utils::CStream</a>.</p>
</div>
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<a class="anchor" id="a1b8cd3d084b5a95a3f65c6eed6e7cc6d"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::ReadBuffer" ref="a1b8cd3d084b5a95a3f65c6eed6e7cc6d" args="(void *Buffer, size_t Count)" -->
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<td class="memname">size_t mrpt::utils::CStream::ReadBuffer </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Reads a block of bytes from the stream into Buffer </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
</p>
<dl class="return"><dt><b>Returns:</b></dt><dd>The amound of bytes actually read. </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>This method is endianness-dependent. </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aa38fe9bc49615cfae5de267903b2399b" title="Reads a block of bytes from the stream into Buffer, and returns the amound of bytes actually read...">ReadBufferImmediate</a> ; Important, see: <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab3f8382b9a971abc79414464fffc7937" title="Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream s...">ReadBufferFixEndianness</a>, </dd></dl>
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<a class="anchor" id="ab3f8382b9a971abc79414464fffc7937"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::ReadBufferFixEndianness" ref="ab3f8382b9a971abc79414464fffc7937" args="(T *ptr, size_t ElementCount)" -->
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template<typename T > </div>
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<td class="memname">size_t mrpt::utils::CStream::ReadBufferFixEndianness </td>
<td>(</td>
<td class="paramtype">T * </td>
<td class="paramname"><em>ptr</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>ElementCount</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, inherited]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream standard (little endianness) to the format of the running architecture. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ElementCount</td><td>The number of elements (not bytes) to read. </td></tr>
<tr><td class="paramname">ptr</td><td>A pointer to the first output element in an array (or std::vector<>, etc...). </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>The amound of *bytes* (not elements) actually read (under error situations, the last element may be invalid if the data stream abruptly ends). Example of usage: <div class="fragment"><pre class="fragment"> uint32_t N;
s >> N;
vector<float> vec(N);
<span class="keywordflow">if</span> (N)
s.ReadBufferFixEndianness<<span class="keywordtype">float</span>>(&vec[0],N);
</pre></div> </dd></dl>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ab3f8382b9a971abc79414464fffc7937" title="Reads a sequence of elemental datatypes, taking care of reordering their bytes from the MRPT stream s...">ReadBufferFixEndianness</a>, <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b8cd3d084b5a95a3f65c6eed6e7cc6d" title="Reads a block of bytes from the stream into Buffer On any error, or if ZERO bytes are read...">ReadBuffer</a> </dd></dl>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00109">109</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
<p>References <a class="el" href="bits_8h_source.html#l00172">mrpt::utils::reverseBytesInPlace()</a>.</p>
<p>Referenced by <a class="el" href="ops__vectors_8h_source.html#l00163">mrpt::math::operator>>()</a>.</p>
</div>
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<a class="anchor" id="aa38fe9bc49615cfae5de267903b2399b"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::ReadBufferImmediate" ref="aa38fe9bc49615cfae5de267903b2399b" args="(void *Buffer, size_t Count)" -->
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<td class="memname">virtual size_t mrpt::utils::CStream::ReadBufferImmediate </td>
<td>(</td>
<td class="paramtype">void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td><code> [inline, virtual, inherited]</code></td>
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<div class="memdoc">
<p>Reads a block of bytes from the stream into Buffer, and returns the amound of bytes actually read, without waiting for more extra bytes to arrive (just those already enqued in the stream). </p>
<p>Note that this method will fallback to <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a1b8cd3d084b5a95a3f65c6eed6e7cc6d" title="Reads a block of bytes from the stream into Buffer On any error, or if ZERO bytes are read...">ReadBuffer()</a> in most <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html" title="This base class is used to provide a unified interface to files,memory buffers,..Please see the deriv...">CStream</a> classes but in some hardware-related classes. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error, or if ZERO bytes are read. </td></tr>
</table>
</dd>
</dl>
<p>Reimplemented in <a class="el" href="classmrpt_1_1hwdrivers_1_1_c_interface_f_t_d_i.html#ad6585545a46cf2f851ff4a83aaf0c02d">mrpt::hwdrivers::CInterfaceFTDI</a>.</p>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00127">127</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
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<a class="anchor" id="a290510e87656433dfd093cc31d34371c"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::ReadObject" ref="a290510e87656433dfd093cc31d34371c" args="()" -->
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<td class="memname"><a class="el" href="structmrpt_1_1utils_1_1_c_serializable_ptr.html">CSerializablePtr</a> mrpt::utils::CStream::ReadObject </td>
<td>(</td>
<td class="paramname"></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
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<p>Reads an object from stream, its class determined at runtime, and returns a smart pointer to the object. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On I/O error or undefined class. </td></tr>
<tr><td class="paramname"><a class="el" href="classmrpt_1_1utils_1_1_c_exception_e_o_f.html" title="Used in mrpt::utils::CStream.">mrpt::utils::CExceptionEOF</a></td><td>On an End-Of-File condition found at a correct place: an EOF that abruptly finishes in the middle of one object raises a plain <a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a> instead. </td></tr>
</table>
</dd>
</dl>
<p>Referenced by <a class="el" href="ops__matrices_8h_source.html#l00062">mrpt::math::operator>>()</a>.</p>
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<a class="anchor" id="a097cb147fd764a0fa7d86de9734fce3c"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::ReadObject" ref="a097cb147fd764a0fa7d86de9734fce3c" args="(CSerializable *existingObj)" -->
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<td class="memname">void mrpt::utils::CStream::ReadObject </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> * </td>
<td class="paramname"><em>existingObj</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
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<div class="memdoc">
<p>Reads an object from stream, where its class must be the same as the supplied object, where the loaded object will be stored in. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On I/O error or different class found. </td></tr>
<tr><td class="paramname"><a class="el" href="classmrpt_1_1utils_1_1_c_exception_e_o_f.html" title="Used in mrpt::utils::CStream.">mrpt::utils::CExceptionEOF</a></td><td>On an End-Of-File condition found at a correct place: an EOF that abruptly finishes in the middle of one object raises a plain <a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a> instead. </td></tr>
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</dd>
</dl>
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<a class="anchor" id="a95eb299dfa91e1d5962e2acd5bb671a6"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::receiveMessage" ref="a95eb299dfa91e1d5962e2acd5bb671a6" args="(utils::CMessage &msg)" -->
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<td class="memname">bool mrpt::utils::CStream::receiveMessage </td>
<td>(</td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> & </td>
<td class="paramname"><em>msg</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Tries to receive a message from the device. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On communication errors </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>True if successful, false if there is no new data from the device (but communications seem to work fine) </dd></dl>
<dl class="see"><dt><b>See also:</b></dt><dd>The frame <a class="el" href="namespacemrpt.html#a3a27af794b658df5491e2b7678f8ccb8" title="A std::string version of C sprintf.">format</a> is described in <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a108c4d9cadd58b1ec0800c6c4816ff55" title="Send a message to the device.">sendMessage()</a> </dd></dl>
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<a class="anchor" id="a85b6fab0204e25256f30dea0373e5706"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::resize" ref="a85b6fab0204e25256f30dea0373e5706" args="(uint64_t newSize)" -->
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<td class="memname">void mrpt::utils::CMemoryStream::resize </td>
<td>(</td>
<td class="paramtype">uint64_t </td>
<td class="paramname"><em>newSize</em></td><td>)</td>
<td><code> [protected]</code></td>
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<p>Resizes the internal buffer size. </p>
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<a class="anchor" id="a74ceef7b9d7087ae1ecfbfdc660edc08"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::saveBufferToFile" ref="a74ceef7b9d7087ae1ecfbfdc660edc08" args="(const std::string &file_name)" -->
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<td class="memname">bool mrpt::utils::CMemoryStream::saveBufferToFile </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classstd_1_1string.html">std::string</a> & </td>
<td class="paramname"><em>file_name</em></td><td>)</td>
<td></td>
</tr>
</table>
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<p>Saves the entire buffer to a file. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true on success, false on error </dd></dl>
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<a class="anchor" id="a4a13e776c1d2ce68646c5d91485845a3"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::Seek" ref="a4a13e776c1d2ce68646c5d91485845a3" args="(long Offset, CStream::TSeekOrigin Origin=sFromBeginning)" -->
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<td>(</td>
<td class="paramtype">long </td>
<td class="paramname"><em>Offset</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#aab22931626d22c919a50183386d24059">CStream::TSeekOrigin</a> </td>
<td class="paramname"><em>Origin</em> = <code>sFromBeginning</code> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td><code> [virtual]</code></td>
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<p>Method for moving to a specified position in the streamed resource. </p>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84" title="Introduces a pure virtual method for moving to a specified position in the streamed resource...">CStream::Seek</a> </dd></dl>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a2f3bc9d222cb31abf8d759591142fe84">mrpt::utils::CStream</a>.</p>
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<a class="anchor" id="a108c4d9cadd58b1ec0800c6c4816ff55"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::sendMessage" ref="a108c4d9cadd58b1ec0800c6c4816ff55" args="(const utils::CMessage &msg)" -->
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<td class="memname">void mrpt::utils::CStream::sendMessage </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_message.html">utils::CMessage</a> & </td>
<td class="paramname"><em>msg</em></td><td>)</td>
<td><code> [inherited]</code></td>
</tr>
</table>
</div>
<div class="memdoc">
<p>Send a message to the device. </p>
<p>Note that only the low byte from the "type" field will be used.</p>
<p>For frames of size < 255 the frame format is an array of bytes in this order: </p>
<div class="fragment"><pre class="fragment"> <START_FLAG> <HEADER> <LENGTH> <BODY> <END_FLAG>
<START_FLAG> = 0x69
<HEADER> = A header byte
<LENGHT> = Number of bytes of BODY
<BODY> = N x bytes
<END_FLAG> = 0X96
Total length = <LENGTH> + 4
</pre></div><p>For frames of size > 255 the frame format is an array of bytes in this order: </p>
<div class="fragment"><pre class="fragment"> <START_FLAG> <HEADER> <HIBYTE(LENGTH)> <LOBYTE(LENGTH)> <BODY> <END_FLAG>
<START_FLAG> = 0x79
<HEADER> = A header byte
<LENGHT> = Number of bytes of BODY
<BODY> = N x bytes
<END_FLAG> = 0X96
Total length = <LENGTH> + 5
</pre></div><dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On communication errors </td></tr>
</table>
</dd>
</dl>
</div>
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<a class="anchor" id="a4c4fe039b5cfd2dc62edb44d2d589ae7"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::setAllocBlockSize" ref="a4c4fe039b5cfd2dc62edb44d2d589ae7" args="(uint64_t alloc_block_size)" -->
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<td class="memname">void mrpt::utils::CMemoryStream::setAllocBlockSize </td>
<td>(</td>
<td class="paramtype">uint64_t </td>
<td class="paramname"><em>alloc_block_size</em></td><td>)</td>
<td><code> [inline]</code></td>
</tr>
</table>
</div>
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<p>Change the size of the additional memory block that is reserved whenever the current block runs too short (default=0x10000 bytes) </p>
<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00129">129</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
<p>References <a class="el" href="mrpt__macros_8h_source.html#l00282">ASSERT_</a>.</p>
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<a class="anchor" id="aaa298420c79a279ca6d70323fd42ae5c"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::Write" ref="aaa298420c79a279ca6d70323fd42ae5c" args="(const void *Buffer, size_t Count)" -->
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<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>Buffer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td><code> [protected, virtual]</code></td>
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<p>Method responsible for writing to the stream. </p>
<p>Write attempts to write up to Count bytes to Buffer, and returns the number of bytes actually written. </p>
<p>Implements <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a171c27fa5b26f5486d34bcbca550cb91">mrpt::utils::CStream</a>.</p>
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<a class="anchor" id="a276005e7110c9de74ff3277b3f7bf621"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::WriteBuffer" ref="a276005e7110c9de74ff3277b3f7bf621" args="(const void *Buffer, size_t Count)" -->
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<td class="memname">void mrpt::utils::CStream::WriteBuffer </td>
<td>(</td>
<td class="paramtype">const void * </td>
<td class="paramname"><em>Buffer</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>Count</em> </td>
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<td>)</td>
<td></td><td><code> [inherited]</code></td>
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<p>Writes a block of bytes to the stream from Buffer. </p>
<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error </td></tr>
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</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd>Important, see: <a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#ae229ab566ba2b9e6d2c39e32c2a9ecab" title="Writes a sequence of elemental datatypes, taking care of reordering their bytes from the running arch...">WriteBufferFixEndianness</a> </dd></dl>
<dl class="note"><dt><b>Note:</b></dt><dd>This method is endianness-dependent. </dd></dl>
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<a class="anchor" id="ae229ab566ba2b9e6d2c39e32c2a9ecab"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::WriteBufferFixEndianness" ref="ae229ab566ba2b9e6d2c39e32c2a9ecab" args="(const T *ptr, size_t ElementCount)" -->
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template<typename T > </div>
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<td class="memname">void mrpt::utils::CStream::WriteBufferFixEndianness </td>
<td>(</td>
<td class="paramtype">const T * </td>
<td class="paramname"><em>ptr</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>ElementCount</em> </td>
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<td>)</td>
<td></td><td><code> [inline, inherited]</code></td>
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<p>Writes a sequence of elemental datatypes, taking care of reordering their bytes from the running architecture to MRPT stream standard (little endianness). </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">ElementCount</td><td>The number of elements (not bytes) to write. </td></tr>
<tr><td class="paramname">ptr</td><td>A pointer to the first input element in an array (or std::vector<>, etc...). Example of usage: <div class="fragment"><pre class="fragment"> vector<float> vec = ...
uint32_t N = vec.size();
s << N
<span class="keywordflow">if</span> (N)
s.WriteBufferFixEndianness<<span class="keywordtype">float</span>>(&vec[0],N);
</pre></div> </td></tr>
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</dd>
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<dl><dt><b>Exceptions:</b></dt><dd>
<table class="exception">
<tr><td class="paramname"><a class="el" href="classstd_1_1exception.html" title="STL class.">std::exception</a></td><td>On any error </td></tr>
</table>
</dd>
</dl>
<dl class="see"><dt><b>See also:</b></dt><dd><a class="el" href="classmrpt_1_1utils_1_1_c_stream.html#a276005e7110c9de74ff3277b3f7bf621" title="Writes a block of bytes to the stream from Buffer.">WriteBuffer</a> </dd></dl>
<p>Definition at line <a class="el" href="_c_stream_8h_source.html#l00153">153</a> of file <a class="el" href="_c_stream_8h_source.html">CStream.h</a>.</p>
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<a class="anchor" id="aa0e9fb01aaced829b0043d50bf616c03"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::WriteObject" ref="aa0e9fb01aaced829b0043d50bf616c03" args="(const CSerializable *o)" -->
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<td class="memname">void mrpt::utils::CStream::WriteObject </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classmrpt_1_1utils_1_1_c_serializable.html">CSerializable</a> * </td>
<td class="paramname"><em>o</em></td><td>)</td>
<td><code> [inherited]</code></td>
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<p>Writes an object to the stream. </p>
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<hr/><h2>Member Data Documentation</h2>
<a class="anchor" id="a7d09a37fd2c58d79d6501d99fd1b5432"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::m_alloc_block_size" ref="a7d09a37fd2c58d79d6501d99fd1b5432" args="" -->
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<td class="memname">uint64_t <a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a7d09a37fd2c58d79d6501d99fd1b5432">mrpt::utils::CMemoryStream::m_alloc_block_size</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00064">64</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
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<a class="anchor" id="ac3a3dae9c99016716f641c3636286bb9"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::m_bytesWritten" ref="ac3a3dae9c99016716f641c3636286bb9" args="" -->
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<td class="memname">uint64_t <a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#ac3a3dae9c99016716f641c3636286bb9">mrpt::utils::CMemoryStream::m_bytesWritten</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00063">63</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
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<a class="anchor" id="ae8ae5da03c963cd77b77e014b0b5fff3"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::m_memory" ref="ae8ae5da03c963cd77b77e014b0b5fff3" args="" -->
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<td class="memname"><a class="el" href="namespacemrpt_1_1utils.html#ac3912bceb5e2a4662830ec51584d134b">void_ptr_noncopy</a> <a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#ae8ae5da03c963cd77b77e014b0b5fff3">mrpt::utils::CMemoryStream::m_memory</a><code> [protected]</code></td>
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<p>Internal data. </p>
<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00062">62</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
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<a class="anchor" id="a6b6534c253937fa97599a79dff189009"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::m_position" ref="a6b6534c253937fa97599a79dff189009" args="" -->
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<td class="memname">uint64_t <a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a6b6534c253937fa97599a79dff189009">mrpt::utils::CMemoryStream::m_position</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00063">63</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
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<a class="anchor" id="a6c98ad5f662d31acec4ab1ec2a0c1034"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::m_read_only" ref="a6c98ad5f662d31acec4ab1ec2a0c1034" args="" -->
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<td class="memname">bool <a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a6c98ad5f662d31acec4ab1ec2a0c1034">mrpt::utils::CMemoryStream::m_read_only</a><code> [protected]</code></td>
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<p>If the memory block does not belong to the object. </p>
<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00065">65</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
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<a class="anchor" id="a1d12c9f7ead9541a42829cbac4931618"></a><!-- doxytag: member="mrpt::utils::CMemoryStream::m_size" ref="a1d12c9f7ead9541a42829cbac4931618" args="" -->
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<td class="memname">uint64_t <a class="el" href="classmrpt_1_1utils_1_1_c_memory_stream.html#a1d12c9f7ead9541a42829cbac4931618">mrpt::utils::CMemoryStream::m_size</a><code> [protected]</code></td>
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<p>Definition at line <a class="el" href="_c_memory_stream_8h_source.html#l00063">63</a> of file <a class="el" href="_c_memory_stream_8h_source.html">CMemoryStream.h</a>.</p>
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<br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.5</a> for MRPT 0.9.5 SVN: at Sun Sep 25 17:20:18 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>
