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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>Crypto++: fltrimpl.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.2 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="namespaces.html"><span>Namespaces</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="files.html"><span>File List</span></a></li> <li><a href="globals.html"><span>File Members</span></a></li> </ul></div><h1>fltrimpl.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_FLTRIMPL_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_FLTRIMPL_H</span><a name="l00003"></a>00003 <span class="preprocessor"></span><a name="l00004"></a>00004 <span class="preprocessor">#define FILTER_BEGIN \</span><a name="l00005"></a>00005 <span class="preprocessor"> switch (m_continueAt) \</span><a name="l00006"></a>00006 <span class="preprocessor"> { \</span><a name="l00007"></a>00007 <span class="preprocessor"> case 0: \</span><a name="l00008"></a>00008 <span class="preprocessor"> m_inputPosition = 0;</span><a name="l00009"></a>00009 <span class="preprocessor"></span><a name="l00010"></a>00010 <span class="preprocessor">#define FILTER_END_NO_MESSAGE_END_NO_RETURN \</span><a name="l00011"></a>00011 <span class="preprocessor"> break; \</span><a name="l00012"></a>00012 <span class="preprocessor"> default: \</span><a name="l00013"></a>00013 <span class="preprocessor"> assert(false); \</span><a name="l00014"></a>00014 <span class="preprocessor"> }</span><a name="l00015"></a>00015 <span class="preprocessor"></span><a name="l00016"></a>00016 <span class="preprocessor">#define FILTER_END_NO_MESSAGE_END \</span><a name="l00017"></a>00017 <span class="preprocessor"> FILTER_END_NO_MESSAGE_END_NO_RETURN \</span><a name="l00018"></a>00018 <span class="preprocessor"> return 0;</span><a name="l00019"></a>00019 <span class="preprocessor"></span><a name="l00020"></a>00020 <span class="comment">/*</span><a name="l00021"></a>00021 <span class="comment">#define FILTER_END \</span><a name="l00022"></a>00022 <span class="comment"> case -1: \</span><a name="l00023"></a>00023 <span class="comment"> if (messageEnd && Output(-1, NULL, 0, messageEnd, blocking)) \</span><a name="l00024"></a>00024 <span class="comment"> return 1; \</span><a name="l00025"></a>00025 <span class="comment"> FILTER_END_NO_MESSAGE_END</span><a name="l00026"></a>00026 <span class="comment">*/</span><a name="l00027"></a>00027 <a name="l00028"></a>00028 <span class="preprocessor">#define FILTER_OUTPUT2(site, statement, output, length, messageEnd) \</span><a name="l00029"></a>00029 <span class="preprocessor"> {\</span><a name="l00030"></a>00030 <span class="preprocessor"> case site: \</span><a name="l00031"></a>00031 <span class="preprocessor"> statement; \</span><a name="l00032"></a>00032 <span class="preprocessor"> if (Output(site, output, length, messageEnd, blocking)) \</span><a name="l00033"></a>00033 <span class="preprocessor"> return STDMAX(size_t(1), length-m_inputPosition);\</span><a name="l00034"></a>00034 <span class="preprocessor"> }</span><a name="l00035"></a>00035 <span class="preprocessor"></span><a name="l00036"></a>00036 <span class="preprocessor">#define FILTER_OUTPUT(site, output, length, messageEnd) \</span><a name="l00037"></a>00037 <span class="preprocessor"> FILTER_OUTPUT2(site, 0, output, length, messageEnd)</span><a name="l00038"></a>00038 <span class="preprocessor"></span><a name="l00039"></a>00039 <span class="preprocessor">#define FILTER_OUTPUT_BYTE(site, output) \</span><a name="l00040"></a>00040 <span class="preprocessor"> FILTER_OUTPUT(site, &(const byte &)(byte)output, 1, 0)</span><a name="l00041"></a>00041 <span class="preprocessor"></span><a name="l00042"></a>00042 <span class="preprocessor">#define FILTER_OUTPUT2_MODIFIABLE(site, statement, output, length, messageEnd) \</span><a name="l00043"></a>00043 <span class="preprocessor"> {\</span><a name="l00044"></a>00044 <span class="preprocessor"> case site: \</span><a name="l00045"></a>00045 <span class="preprocessor"> statement; \</span><a name="l00046"></a>00046 <span class="preprocessor"> if (OutputModifiable(site, output, length, messageEnd, blocking)) \</span><a name="l00047"></a>00047 <span class="preprocessor"> return STDMAX(size_t(1), length-m_inputPosition);\</span><a name="l00048"></a>00048 <span class="preprocessor"> }</span><a name="l00049"></a>00049 <span class="preprocessor"></span><a name="l00050"></a>00050 <span class="preprocessor">#define FILTER_OUTPUT_MODIFIABLE(site, output, length, messageEnd) \</span><a name="l00051"></a>00051 <span class="preprocessor"> FILTER_OUTPUT2_MODIFIABLE(site, 0, output, length, messageEnd)</span><a name="l00052"></a>00052 <span class="preprocessor"></span><a name="l00053"></a>00053 <span class="preprocessor">#define FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, statement, output, length, messageEnd, modifiable) \</span><a name="l00054"></a>00054 <span class="preprocessor"> {\</span><a name="l00055"></a>00055 <span class="preprocessor"> case site: \</span><a name="l00056"></a>00056 <span class="preprocessor"> statement; \</span><a name="l00057"></a>00057 <span class="preprocessor"> if (modifiable ? OutputModifiable(site, output, length, messageEnd, blocking) : Output(site, output, length, messageEnd, blocking)) \</span><a name="l00058"></a>00058 <span class="preprocessor"> return STDMAX(size_t(1), length-m_inputPosition);\</span><a name="l00059"></a>00059 <span class="preprocessor"> }</span><a name="l00060"></a>00060 <span class="preprocessor"></span><a name="l00061"></a>00061 <span class="preprocessor">#define FILTER_OUTPUT_MAYBE_MODIFIABLE(site, output, length, messageEnd, modifiable) \</span><a name="l00062"></a>00062 <span class="preprocessor"> FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, 0, output, length, messageEnd, modifiable)</span><a name="l00063"></a>00063 <span class="preprocessor"></span><a name="l00064"></a>00064 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:21 2007 for Crypto++ by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.2 </small></address></body></html>⌨️ 快捷键说明
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