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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Crypto++: hex.cpp Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.3.2 --><div class="qindex"><a class="qindex" href="index.html">Main&nbsp;Page</a> | <a class="qindex" href="namespaces.html">Namespace List</a> | <a class="qindex" href="hierarchy.html">Class&nbsp;Hierarchy</a> | <a class="qindex" href="classes.html">Alphabetical&nbsp;List</a> | <a class="qindex" href="annotated.html">Compound&nbsp;List</a> | <a class="qindex" href="files.html">File&nbsp;List</a> | <a class="qindex" href="namespacemembers.html">Namespace&nbsp;Members</a> | <a class="qindex" href="functions.html">Compound&nbsp;Members</a> | <a class="qindex" href="globals.html">File&nbsp;Members</a></div><h1>hex.cpp</h1><div class="fragment"><pre>00001 <span class="comment">// hex.cpp - written and placed in the public domain by Wei Dai</span>00002 00003 <span class="preprocessor">#include "pch.h"</span>00004 00005 <span class="preprocessor">#ifndef CRYPTOPP_IMPORTS</span>00006 <span class="preprocessor"></span>00007 <span class="preprocessor">#include "hex.h"</span>00008 00009 NAMESPACE_BEGIN(CryptoPP)00010 00011 <span class="keyword">static</span> <span class="keyword">const</span> byte s_vecUpper[] = <span class="stringliteral">"0123456789ABCDEF"</span>;00012 <span class="keyword">static</span> <span class="keyword">const</span> byte s_vecLower[] = <span class="stringliteral">"0123456789abcdef"</span>;00013 00014 <span class="keywordtype">void</span> HexEncoder::IsolatedInitialize(<span class="keyword">const</span> <a class="code" href="class_name_value_pairs.html">NameValuePairs</a> &amp;parameters)00015 {00016         <span class="keywordtype">bool</span> uppercase = parameters.<a class="code" href="class_name_value_pairs.html#_x_t_r___d_ha40">GetValueWithDefault</a>(<span class="stringliteral">"Uppercase"</span>, <span class="keyword">true</span>);00017         m_filter-&gt;Initialize(CombinedNameValuePairs(00018                 parameters,00019                 MakeParameters(<span class="stringliteral">"EncodingLookupArray"</span>, uppercase ? &amp;s_vecUpper[0] : &amp;s_vecLower[0])(<span class="stringliteral">"Log2Base"</span>, 4)));00020 }00021 00022 <span class="keyword">const</span> <span class="keywordtype">int</span> *HexDecoder::GetDecodingLookupArray()00023 {00024         <span class="keyword">static</span> <span class="keywordtype">bool</span> s_initialized = <span class="keyword">false</span>;00025         <span class="keyword">static</span> <span class="keywordtype">int</span> s_array[256];00026 00027         <span class="keywordflow">if</span> (!s_initialized)00028         {00029                 InitializeDecodingLookupArray(s_array, s_vecUpper, 16, <span class="keyword">true</span>);00030                 s_initialized = <span class="keyword">true</span>;00031         }00032         <span class="keywordflow">return</span> s_array;00033 }00034 00035 NAMESPACE_END00036 00037 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="align: right;"><small>Generated on Tue Jul 8 23:34:16 2003 for Crypto++ by<a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border=0 > </a>1.3.2 </small></address></body></html>
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