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<h1>ByteOrdering.hpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
<a name="l00002"></a>00002 <span class="comment">//*****************************************************************************</span>
<a name="l00003"></a>00003 <span class="comment">// RCF - Remote Call Framework</span>
<a name="l00004"></a>00004 <span class="comment">// Copyright (c) 2005. All rights reserved.</span>
<a name="l00005"></a>00005 <span class="comment">// Developed by Jarl Lindrud.</span>
<a name="l00006"></a>00006 <span class="comment">// Contact: jlindrud@hotmail.com .</span>
<a name="l00007"></a>00007 <span class="comment">//*****************************************************************************</span>
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="preprocessor">#ifndef INCLUDE_RCF_BYTEORDERING_HPP</span>
<a name="l00010"></a>00010 <span class="preprocessor"></span><span class="preprocessor">#define INCLUDE_RCF_BYTEORDERING_HPP</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span>
<a name="l00012"></a>00012 <span class="preprocessor">#include <boost/type_traits/is_same.hpp></span>
<a name="l00013"></a>00013
<a name="l00014"></a>00014 <span class="preprocessor">#include <RCF/Tools.hpp></span>
<a name="l00015"></a>00015 <span class="preprocessor">#include <RCF/util/Platform/Machine/ByteOrder.hpp></span>
<a name="l00016"></a>00016
<a name="l00017"></a>00017 <span class="keyword">namespace </span>RCF {
<a name="l00018"></a>00018
<a name="l00019"></a>00019 <span class="keyword">typedef</span> Platform::Machine::LittleEndian LittleEndian;
<a name="l00020"></a>00020 <span class="keyword">typedef</span> Platform::Machine::BigEndian BigEndian;
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="keyword">typedef</span> BigEndian NetworkByteOrder;
<a name="l00023"></a>00023 <span class="keyword">typedef</span> Platform::Machine::ByteOrder MachineByteOrder;
<a name="l00024"></a>00024
<a name="l00025"></a>00025 <span class="keyword">inline</span> <span class="keywordtype">void</span> swapBytes(<span class="keywordtype">char</span> *b1, <span class="keywordtype">char</span> *b2)
<a name="l00026"></a>00026 {
<a name="l00027"></a>00027 *b2 ^= *b1;
<a name="l00028"></a>00028 *b1 ^= *b2;
<a name="l00029"></a>00029 *b2 ^= *b1;
<a name="l00030"></a>00030 }
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keyword">inline</span> <span class="keywordtype">void</span> reverseByteOrder(<span class="keywordtype">void</span> *buffer, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> count)
<a name="l00033"></a>00033 {
<a name="l00034"></a>00034 RCF_ASSERT(width > 0);
<a name="l00035"></a>00035 RCF_ASSERT(count > 0);
<a name="l00036"></a>00036 <span class="keywordflow">if</span> (width == 1) <span class="keywordflow">return</span>;
<a name="l00037"></a>00037
<a name="l00038"></a>00038 BOOST_STATIC_ASSERT( <span class="keyword">sizeof</span>(<span class="keywordtype">char</span>) == 1 );
<a name="l00039"></a>00039 <span class="keywordtype">char</span> *chBuffer = static_cast<char *>(buffer);
<a name="l00040"></a>00040 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i<count; i++)
<a name="l00041"></a>00041 {
<a name="l00042"></a>00042 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j=0;j<width/2;j++)
<a name="l00043"></a>00043 {
<a name="l00044"></a>00044 swapBytes( chBuffer + i*width + j, chBuffer + i*width + width - j - 1 );
<a name="l00045"></a>00045 }
<a name="l00046"></a>00046 }
<a name="l00047"></a>00047
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <span class="keyword">inline</span> <span class="keywordtype">void</span> machineToNetworkOrder(<span class="keywordtype">void</span> *buffer, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> count)
<a name="l00051"></a>00051 {
<a name="l00052"></a>00052 <span class="keywordflow">if</span> ( boost::is_same<MachineByteOrder, NetworkByteOrder>::value )
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 reverseByteOrder(buffer, width, count);
<a name="l00055"></a>00055 }
<a name="l00056"></a>00056 }
<a name="l00057"></a>00057
<a name="l00058"></a>00058 <span class="keyword">inline</span> <span class="keywordtype">void</span> networkToMachineOrder(<span class="keywordtype">void</span> *buffer, <span class="keywordtype">int</span> width, <span class="keywordtype">int</span> count)
<a name="l00059"></a>00059 {
<a name="l00060"></a>00060 <span class="keywordflow">if</span> ( boost::is_same<MachineByteOrder, NetworkByteOrder>::value )
<a name="l00061"></a>00061 {
<a name="l00062"></a>00062 reverseByteOrder(buffer, width, count);
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 } <span class="comment">// namespace RCF</span>
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="preprocessor">#endif // ! INCLUDE_RCF_BYTEORDERING_HPP</span>
</pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Sep 19 19:02:37 2006 for RCF by
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