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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++: basecode.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>basecode.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#ifndef CRYPTOPP_BASECODE_H</span><a name="l00002"></a>00002 <span class="preprocessor"></span><span class="preprocessor">#define CRYPTOPP_BASECODE_H</span><a name="l00003"></a>00003 <span class="preprocessor"></span><a name="l00004"></a>00004 <span class="preprocessor">#include "filters.h"</span><a name="l00005"></a>00005 <span class="preprocessor">#include "algparam.h"</span><a name="l00006"></a>00006 <span class="preprocessor">#include "argnames.h"</span><a name="l00007"></a>00007 <a name="l00008"></a>00008 NAMESPACE_BEGIN(CryptoPP)<a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="comment">//! base n encoder, where n is a power of 2</span><a name="l00011"></a><a class="code" href="class_base_n___encoder.html">00011</a> <span class="comment"></span>class CRYPTOPP_DLL <a class="code" href="class_base_n___encoder.html" title="base n encoder, where n is a power of 2">BaseN_Encoder</a> : public <a class="code" href="class_unflushable.html" title="_">Unflushable</a><<a class="code" href="class_filter.html" title="provides an implementation of BufferedTransformation's attachment interface">Filter</a>><a name="l00012"></a>00012 {<a name="l00013"></a>00013 <span class="keyword">public</span>:<a name="l00014"></a><a class="code" href="class_base_n___encoder.html#d81ec041d8edf8d2b7d4bae384d68bb0">00014</a> <a class="code" href="class_base_n___encoder.html" title="base n encoder, where n is a power of 2">BaseN_Encoder</a>(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL)<a name="l00015"></a>00015 {Detach(attachment);}<a name="l00016"></a>00016 <a name="l00017"></a><a class="code" href="class_base_n___encoder.html#398208a2300b000ee5f4f1a0957118bb">00017</a> <a class="code" href="class_base_n___encoder.html" title="base n encoder, where n is a power of 2">BaseN_Encoder</a>(<span class="keyword">const</span> byte *alphabet, <span class="keywordtype">int</span> log2base, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL, <span class="keywordtype">int</span> padding=-1)<a name="l00018"></a>00018 {<a name="l00019"></a>00019 Detach(attachment);<a name="l00020"></a>00020 IsolatedInitialize(MakeParameters(<a class="code" href="namespace_name.html#55fc7c0f55a4b8d8bfbea7bae9a9ae18">Name::EncodingLookupArray</a>(), alphabet)<a name="l00021"></a>00021 (<a class="code" href="namespace_name.html#e7c6ebc7562274e23f87906719f67480">Name::Log2Base</a>(), log2base)<a name="l00022"></a>00022 (<a class="code" href="namespace_name.html#b7fb5e98db5dda84252e01a7d06492a5">Name::Pad</a>(), padding != -1)<a name="l00023"></a>00023 (<a class="code" href="namespace_name.html#3da7c465fc9bdfca310d55928d2ee8a2">Name::PaddingByte</a>(), byte(padding)));<a name="l00024"></a>00024 }<a name="l00025"></a>00025 <a name="l00026"></a>00026 <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters);<a name="l00027"></a>00027 <span class="keywordtype">size_t</span> Put2(<span class="keyword">const</span> byte *begin, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);<a name="l00028"></a>00028 <a name="l00029"></a>00029 <span class="keyword">private</span>:<a name="l00030"></a>00030 <span class="keyword">const</span> byte *m_alphabet;<a name="l00031"></a>00031 <span class="keywordtype">int</span> m_padding, m_bitsPerChar, m_outputBlockSize;<a name="l00032"></a>00032 <span class="keywordtype">int</span> m_bytePos, m_bitPos;<a name="l00033"></a>00033 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> m_outBuf;<a name="l00034"></a>00034 };<a name="l00035"></a>00035 <span class="comment"></span><a name="l00036"></a>00036 <span class="comment">//! base n decoder, where n is a power of 2</span><a name="l00037"></a><a class="code" href="class_base_n___decoder.html">00037</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL <a class="code" href="class_base_n___decoder.html" title="base n decoder, where n is a power of 2">BaseN_Decoder</a> : <span class="keyword">public</span> <a class="code" href="class_unflushable.html" title="_">Unflushable</a><Filter><a name="l00038"></a>00038 {<a name="l00039"></a>00039 <span class="keyword">public</span>:<a name="l00040"></a><a class="code" href="class_base_n___decoder.html#4d109d2956d9184e51ee96efe5f04289">00040</a> <a class="code" href="class_base_n___decoder.html" title="base n decoder, where n is a power of 2">BaseN_Decoder</a>(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL)<a name="l00041"></a>00041 {Detach(attachment);}<a name="l00042"></a>00042 <a name="l00043"></a><a class="code" href="class_base_n___decoder.html#21381ad5fe63385d7cd6301391dcc742">00043</a> <a class="code" href="class_base_n___decoder.html" title="base n decoder, where n is a power of 2">BaseN_Decoder</a>(<span class="keyword">const</span> <span class="keywordtype">int</span> *lookup, <span class="keywordtype">int</span> log2base, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL)<a name="l00044"></a>00044 {<a name="l00045"></a>00045 Detach(attachment);<a name="l00046"></a>00046 IsolatedInitialize(MakeParameters(<a class="code" href="namespace_name.html#c1e139c8ca48f86140ed48dd32f288b3">Name::DecodingLookupArray</a>(), lookup)(<a class="code" href="namespace_name.html#e7c6ebc7562274e23f87906719f67480">Name::Log2Base</a>(), log2base));<a name="l00047"></a>00047 }<a name="l00048"></a>00048 <a name="l00049"></a>00049 <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters);<a name="l00050"></a>00050 <span class="keywordtype">size_t</span> Put2(<span class="keyword">const</span> byte *begin, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);<a name="l00051"></a>00051 <a name="l00052"></a>00052 <span class="keyword">static</span> <span class="keywordtype">void</span> CRYPTOPP_API InitializeDecodingLookupArray(<span class="keywordtype">int</span> *lookup, <span class="keyword">const</span> byte *alphabet, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> base, <span class="keywordtype">bool</span> caseInsensitive);<a name="l00053"></a>00053 <a name="l00054"></a>00054 <span class="keyword">private</span>:<a name="l00055"></a>00055 <span class="keyword">const</span> <span class="keywordtype">int</span> *m_lookup;<a name="l00056"></a>00056 <span class="keywordtype">int</span> m_padding, m_bitsPerChar, m_outputBlockSize;<a name="l00057"></a>00057 <span class="keywordtype">int</span> m_bytePos, m_bitPos;<a name="l00058"></a>00058 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> m_outBuf;<a name="l00059"></a>00059 };<a name="l00060"></a>00060 <span class="comment"></span><a name="l00061"></a>00061 <span class="comment">//! filter that breaks input stream into groups of fixed size</span><a name="l00062"></a><a class="code" href="class_grouper.html">00062</a> <span class="comment"></span><span class="keyword">class </span>CRYPTOPP_DLL Grouper : <span class="keyword">public</span> <a class="code" href="class_bufferless.html" title="_">Bufferless</a><Filter><a name="l00063"></a>00063 {<a name="l00064"></a>00064 <span class="keyword">public</span>:<a name="l00065"></a><a class="code" href="class_grouper.html#1504a3d63aa08dad626f6b9303c408c7">00065</a> Grouper(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL)<a name="l00066"></a>00066 {Detach(attachment);}<a name="l00067"></a>00067 <a name="l00068"></a><a class="code" href="class_grouper.html#12bd35621c9c3974ee5ca6147a6a8ec7">00068</a> Grouper(<span class="keywordtype">int</span> groupSize, <span class="keyword">const</span> std::string &separator, <span class="keyword">const</span> std::string &terminator, <a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment=NULL)<a name="l00069"></a>00069 {<a name="l00070"></a>00070 Detach(attachment);<a name="l00071"></a>00071 IsolatedInitialize(MakeParameters(<a class="code" href="namespace_name.html#7f4ebc815a21415c8887db5386683e6d">Name::GroupSize</a>(), groupSize)<a name="l00072"></a>00072 (<a class="code" href="namespace_name.html#e643e94c7650c4954138160967a1a336">Name::Separator</a>(), <a class="code" href="class_const_byte_array_parameter.html" title="used to pass byte array input as part of a NameValuePairs object">ConstByteArrayParameter</a>(separator))<a name="l00073"></a>00073 (<a class="code" href="namespace_name.html#874ade26c7b181c3272a1c89deb0f8bf">Name::Terminator</a>(), <a class="code" href="class_const_byte_array_parameter.html" title="used to pass byte array input as part of a NameValuePairs object">ConstByteArrayParameter</a>(terminator)));<a name="l00074"></a>00074 }<a name="l00075"></a>00075 <a name="l00076"></a>00076 <span class="keywordtype">void</span> IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html" title="interface for retrieving values given their names">NameValuePairs</a> &parameters);<a name="l00077"></a>00077 <span class="keywordtype">size_t</span> Put2(<span class="keyword">const</span> byte *begin, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);<a name="l00078"></a>00078 <a name="l00079"></a>00079 <span class="keyword">private</span>:<a name="l00080"></a>00080 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> m_separator, m_terminator;<a name="l00081"></a>00081 <span class="keywordtype">size_t</span> m_groupSize, m_counter;<a name="l00082"></a>00082 };<a name="l00083"></a>00083 <a name="l00084"></a>00084 NAMESPACE_END<a name="l00085"></a>00085 <a name="l00086"></a>00086 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:19 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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