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<a name="l00068"></a>00068 <span class="keyword">union</span><a name="l00069"></a>00069 {<a name="l00070"></a>00070 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> len;<a name="l00071"></a>00071 <span class="keyword">const</span> CodeInfo *end;<a name="l00072"></a>00072 };<a name="l00073"></a>00073 };<a name="l00074"></a>00074 <a name="l00075"></a>00075 <span class="keyword">static</span> <a class="code" href="class_huffman_decoder.html#550cd665357c320af58916f992eb8756">code_t</a> NormalizeCode(<a class="code" href="class_huffman_decoder.html#550cd665357c320af58916f992eb8756">code_t</a> code, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> codeBits);<a name="l00076"></a>00076 <span class="keywordtype">void</span> FillCacheEntry(LookupEntry &entry, <a class="code" href="class_huffman_decoder.html#550cd665357c320af58916f992eb8756">code_t</a> normalizedCode) <span class="keyword">const</span>;<a name="l00077"></a>00077 <a name="l00078"></a>00078 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_maxCodeBits, m_cacheBits, m_cacheMask, m_normalizedCacheMask;<a name="l00079"></a>00079 std::vector<CodeInfo, AllocatorWithCleanup<CodeInfo> > m_codeToValue;<a name="l00080"></a>00080 <span class="keyword">mutable</span> std::vector<LookupEntry, AllocatorWithCleanup<LookupEntry> > m_cache;<a name="l00081"></a>00081 };<a name="l00082"></a>00082 <span class="comment"></span><a name="l00083"></a>00083 <span class="comment">//! DEFLATE (RFC 1951) decompressor</span><a name="l00084"></a>00084 <span class="comment"></span><a name="l00085"></a><a class="code" href="class_inflator.html">00085</a> <span class="keyword">class </span><a class="code" href="class_inflator.html" title="DEFLATE (RFC 1951) decompressor.">Inflator</a> : <span class="keyword">public</span> <a class="code" href="class_auto_signaling.html" title="_">AutoSignaling</a><Filter><a name="l00086"></a>00086 {<a name="l00087"></a>00087 <span class="keyword">public</span>:<a name="l00088"></a><a class="code" href="class_inflator_1_1_err.html">00088</a> <span class="keyword">class </span><a class="code" href="class_inflator_1_1_err.html">Err</a> : <span class="keyword">public</span> <a class="code" href="class_exception.html" title="base class for all exceptions thrown by Crypto++">Exception</a><a name="l00089"></a>00089 {<a name="l00090"></a>00090 <span class="keyword">public</span>:<a name="l00091"></a><a class="code" href="class_inflator_1_1_err.html#5b05977af50a38a468e65abb27be2cea">00091</a> <a class="code" href="class_huffman_decoder_1_1_err.html#8d7a19c285d2e709945e8c398e173791">Err</a>(<a class="code" href="class_exception.html#8e53909d979479380e0274807c074c0a" title="error types">ErrorType</a> e, <span class="keyword">const</span> std::string &s)<a name="l00092"></a>00092 : <a class="code" href="class_exception.html" title="base class for all exceptions thrown by Crypto++">Exception</a>(e, s) {}<a name="l00093"></a>00093 };<a name="l00094"></a><a class="code" href="class_inflator_1_1_unexpected_end_err.html#236b576c990cc2fd05217c855a01a3f8">00094</a> <span class="keyword">class </span><a class="code" href="class_inflator_1_1_unexpected_end_err.html">UnexpectedEndErr</a> : <span class="keyword">public</span> <a class="code" href="class_inflator_1_1_err.html">Err</a> {<span class="keyword">public</span>: <a class="code" href="class_inflator_1_1_unexpected_end_err.html">UnexpectedEndErr</a>() : <a class="code" href="class_inflator_1_1_err.html">Err</a>(INVALID_DATA_FORMAT, <span class="stringliteral">"Inflator: unexpected end of compressed block"</span>) {}};<a name="l00095"></a><a class="code" href="class_inflator_1_1_bad_block_err.html#caf6ee58b05de001fb951e4b3187dced">00095</a> <span class="keyword">class </span><a class="code" href="class_inflator_1_1_bad_block_err.html">BadBlockErr</a> : <span class="keyword">public</span> <a class="code" href="class_inflator_1_1_err.html">Err</a> {<span class="keyword">public</span>: <a class="code" href="class_inflator_1_1_bad_block_err.html">BadBlockErr</a>() : <a class="code" href="class_inflator_1_1_err.html">Err</a>(INVALID_DATA_FORMAT, <span class="stringliteral">"Inflator: error in compressed block"</span>) {}};<a name="l00096"></a>00096 <span class="comment"></span><a name="l00097"></a>00097 <span class="comment"> /*! \param repeat decompress multiple compressed streams in series</span><a name="l00098"></a>00098 <span class="comment"> \param autoSignalPropagation 0 to turn off MessageEnd signal</span><a name="l00099"></a>00099 <span class="comment"> */</span><a name="l00100"></a>00100 <a class="code" href="class_inflator.html" title="DEFLATE (RFC 1951) decompressor.">Inflator</a>(<a class="code" href="class_buffered_transformation.html" title="interface for buffered transformations">BufferedTransformation</a> *attachment = NULL, <span class="keywordtype">bool</span> repeat = <span class="keyword">false</span>, <span class="keywordtype">int</span> autoSignalPropagation = -1);<a name="l00101"></a>00101 <a name="l00102"></a>00102 <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="l00103"></a>00103 <span class="keywordtype">size_t</span> Put2(<span class="keyword">const</span> byte *inString, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking);<a name="l00104"></a>00104 <span class="keywordtype">bool</span> IsolatedFlush(<span class="keywordtype">bool</span> hardFlush, <span class="keywordtype">bool</span> blocking);<a name="l00105"></a>00105 <a name="l00106"></a><a class="code" href="class_inflator.html#7fe2a4d58871276c8df5a8bae21229dc">00106</a> <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> GetLog2WindowSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 15;}<a name="l00107"></a>00107 <a name="l00108"></a>00108 <span class="keyword">protected</span>:<a name="l00109"></a><a class="code" href="class_inflator.html#e219ede9a3c7342d6c9262f87c8a571d">00109</a> <a class="code" href="class_byte_queue.html" title="Byte Queue.">ByteQueue</a> m_inQueue;<a name="l00110"></a>00110 <a name="l00111"></a>00111 <span class="keyword">private</span>:<a name="l00112"></a>00112 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MaxPrestreamHeaderSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 0;}<a name="l00113"></a>00113 <span class="keyword">virtual</span> <span class="keywordtype">void</span> ProcessPrestreamHeader() {}<a name="l00114"></a>00114 <span class="keyword">virtual</span> <span class="keywordtype">void</span> ProcessDecompressedData(<span class="keyword">const</span> byte *<span class="keywordtype">string</span>, <span class="keywordtype">size_t</span> length)<a name="l00115"></a>00115 {AttachedTransformation()->Put(<span class="keywordtype">string</span>, length);}<a name="l00116"></a>00116 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MaxPoststreamTailSize()<span class="keyword"> const </span>{<span class="keywordflow">return</span> 0;}<a name="l00117"></a>00117 <span class="keyword">virtual</span> <span class="keywordtype">void</span> ProcessPoststreamTail() {}<a name="l00118"></a>00118 <a name="l00119"></a>00119 <span class="keywordtype">void</span> ProcessInput(<span class="keywordtype">bool</span> flush);<a name="l00120"></a>00120 <span class="keywordtype">void</span> DecodeHeader();<a name="l00121"></a>00121 <span class="keywordtype">bool</span> DecodeBody();<a name="l00122"></a>00122 <span class="keywordtype">void</span> FlushOutput();<a name="l00123"></a>00123 <span class="keywordtype">void</span> OutputByte(byte b);<a name="l00124"></a>00124 <span class="keywordtype">void</span> OutputString(<span class="keyword">const</span> byte *<span class="keywordtype">string</span>, <span class="keywordtype">size_t</span> length);<a name="l00125"></a>00125 <span class="keywordtype">void</span> OutputPast(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> length, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> distance);<a name="l00126"></a>00126 <a name="l00127"></a>00127 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="class_huffman_decoder.html" title="Huffman Decoder.">HuffmanDecoder</a> *FixedLiteralDecoder();<a name="l00128"></a>00128 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="class_huffman_decoder.html" title="Huffman Decoder.">HuffmanDecoder</a> *FixedDistanceDecoder();<a name="l00129"></a>00129 <a name="l00130"></a>00130 <span class="keyword">const</span> <a class="code" href="class_huffman_decoder.html" title="Huffman Decoder.">HuffmanDecoder</a>& GetLiteralDecoder() <span class="keyword">const</span>;<a name="l00131"></a>00131 <span class="keyword">const</span> <a class="code" href="class_huffman_decoder.html" title="Huffman Decoder.">HuffmanDecoder</a>& GetDistanceDecoder() <span class="keyword">const</span>;<a name="l00132"></a>00132 <a name="l00133"></a>00133 <span class="keyword">enum</span> State {PRE_STREAM, WAIT_HEADER, DECODING_BODY, POST_STREAM, AFTER_END};<a name="l00134"></a>00134 State m_state;<a name="l00135"></a>00135 <span class="keywordtype">bool</span> m_repeat, m_eof, m_wrappedAround;<a name="l00136"></a>00136 byte m_blockType;<a name="l00137"></a>00137 word16 m_storedLen;<a name="l00138"></a>00138 <span class="keyword">enum</span> NextDecode {LITERAL, LENGTH_BITS, DISTANCE, DISTANCE_BITS};<a name="l00139"></a>00139 NextDecode m_nextDecode;<a name="l00140"></a>00140 <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> m_literal, m_distance; <span class="comment">// for LENGTH_BITS or DISTANCE_BITS</span><a name="l00141"></a>00141 <a class="code" href="class_huffman_decoder.html" title="Huffman Decoder.">HuffmanDecoder</a> m_dynamicLiteralDecoder, m_dynamicDistanceDecoder;<a name="l00142"></a>00142 <a class="code" href="class_low_first_bit_reader.html" title="_">LowFirstBitReader</a> m_reader;<a name="l00143"></a>00143 <a class="code" href="class_sec_block.html" title="a block of memory allocated using A">SecByteBlock</a> m_window;<a name="l00144"></a>00144 <span class="keywordtype">size_t</span> m_current, m_lastFlush;<a name="l00145"></a>00145 };<a name="l00146"></a>00146 <a name="l00147"></a>00147 NAMESPACE_END<a name="l00148"></a>00148 <a name="l00149"></a>00149 <span class="preprocessor">#endif</span></pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Fri Jun 1 11:11:26 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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