cryptlib_8cpp-source.html

著名的密码库Crypto++的文档 C++语言的杰作。程序员必备。

<a name="l00238"></a>00238 
<a name="l00239"></a><a class="code" href="class_buffered_transformation.html#877494d8de597af935cb770034f7f170">00239</a> byte * <a class="code" href="class_buffered_transformation.html#877494d8de597af935cb770034f7f170">BufferedTransformation::ChannelCreatePutSpace</a>(<span class="keyword">const</span> std::string &amp;channel, <span class="keywordtype">size_t</span> &amp;size)
<a name="l00240"></a>00240 {
<a name="l00241"></a>00241         <span class="keywordflow">if</span> (channel.empty())
<a name="l00242"></a>00242                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#f390325c959c3d6a2c03a447d6cd469d" title="request space which can be written into by the caller, and then used as input to...">CreatePutSpace</a>(size);
<a name="l00243"></a>00243         <span class="keywordflow">else</span>
<a name="l00244"></a>00244                 <span class="keywordflow">throw</span> <a class="code" href="struct_buffered_transformation_1_1_no_channel_support.html">NoChannelSupport</a>();
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246 
<a name="l00247"></a><a class="code" href="class_buffered_transformation.html#825c38044d268f6d561cb7f849e04b13">00247</a> <span class="keywordtype">size_t</span> <a class="code" href="class_buffered_transformation.html#825c38044d268f6d561cb7f849e04b13">BufferedTransformation::ChannelPut2</a>(<span class="keyword">const</span> std::string &amp;channel, <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="l00248"></a>00248 {
<a name="l00249"></a>00249         <span class="keywordflow">if</span> (channel.empty())
<a name="l00250"></a>00250                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#d396dcb42260f23125a35ec0e5d17d55" title="input multiple bytes for blocking or non-blocking processing">Put2</a>(begin, length, messageEnd, blocking);
<a name="l00251"></a>00251         <span class="keywordflow">else</span>
<a name="l00252"></a>00252                 <span class="keywordflow">throw</span> <a class="code" href="struct_buffered_transformation_1_1_no_channel_support.html">NoChannelSupport</a>();
<a name="l00253"></a>00253 }
<a name="l00254"></a>00254 
<a name="l00255"></a><a class="code" href="class_buffered_transformation.html#eab62459524d9c93531ec365ba930be3">00255</a> <span class="keywordtype">size_t</span> <a class="code" href="class_buffered_transformation.html#eab62459524d9c93531ec365ba930be3">BufferedTransformation::ChannelPutModifiable2</a>(<span class="keyword">const</span> std::string &amp;channel, byte *begin, <span class="keywordtype">size_t</span> length, <span class="keywordtype">int</span> messageEnd, <span class="keywordtype">bool</span> blocking)
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257         <span class="keywordflow">if</span> (channel.empty())
<a name="l00258"></a>00258                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#770bf11f26d4dec66423a7dc2d36843d" title="input multiple bytes that may be modified by callee for blocking or non-blocking...">PutModifiable2</a>(begin, length, messageEnd, blocking);
<a name="l00259"></a>00259         <span class="keywordflow">else</span>
<a name="l00260"></a>00260                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#825c38044d268f6d561cb7f849e04b13">ChannelPut2</a>(channel, begin, length, messageEnd, blocking);
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262 
<a name="l00263"></a><a class="code" href="class_buffered_transformation.html#6b504b2694ecb5d709a9858c5b93a0f7">00263</a> <span class="keywordtype">bool</span> <a class="code" href="class_buffered_transformation.html#6b504b2694ecb5d709a9858c5b93a0f7">BufferedTransformation::ChannelFlush</a>(<span class="keyword">const</span> std::string &amp;channel, <span class="keywordtype">bool</span> completeFlush, <span class="keywordtype">int</span> propagation, <span class="keywordtype">bool</span> blocking)
<a name="l00264"></a>00264 {
<a name="l00265"></a>00265         <span class="keywordflow">if</span> (channel.empty())
<a name="l00266"></a>00266                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#8a62b1b6c8f310363f32b05b20c306eb" title="flush buffered input and/or output">Flush</a>(completeFlush, propagation, blocking);
<a name="l00267"></a>00267         <span class="keywordflow">else</span>
<a name="l00268"></a>00268                 <span class="keywordflow">throw</span> <a class="code" href="struct_buffered_transformation_1_1_no_channel_support.html">NoChannelSupport</a>();
<a name="l00269"></a>00269 }
<a name="l00270"></a>00270 
<a name="l00271"></a><a class="code" href="class_buffered_transformation.html#e0fc63d42d94958f71fc573b17469921">00271</a> <span class="keywordtype">bool</span> <a class="code" href="class_buffered_transformation.html#e0fc63d42d94958f71fc573b17469921">BufferedTransformation::ChannelMessageSeriesEnd</a>(<span class="keyword">const</span> std::string &amp;channel, <span class="keywordtype">int</span> propagation, <span class="keywordtype">bool</span> blocking)
<a name="l00272"></a>00272 {
<a name="l00273"></a>00273         <span class="keywordflow">if</span> (channel.empty())
<a name="l00274"></a>00274                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#ae4c5ae024419e31bfa0c24eb35b24c2" title="mark end of a series of messages">MessageSeriesEnd</a>(propagation, blocking);
<a name="l00275"></a>00275         <span class="keywordflow">else</span>
<a name="l00276"></a>00276                 <span class="keywordflow">throw</span> <a class="code" href="struct_buffered_transformation_1_1_no_channel_support.html">NoChannelSupport</a>();
<a name="l00277"></a>00277 }
<a name="l00278"></a>00278 
<a name="l00279"></a><a class="code" href="class_buffered_transformation.html#30b2076bce5fb29e992b6457485c67c2">00279</a> lword <a class="code" href="class_buffered_transformation.html#30b2076bce5fb29e992b6457485c67c2" title="returns number of bytes that is currently ready for retrieval">BufferedTransformation::MaxRetrievable</a>()<span class="keyword"> const</span>
<a name="l00280"></a>00280 <span class="keyword"></span>{
<a name="l00281"></a>00281         <span class="keywordflow">if</span> (<a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>())
<a name="l00282"></a>00282                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>()-&gt;<a class="code" href="class_buffered_transformation.html#30b2076bce5fb29e992b6457485c67c2" title="returns number of bytes that is currently ready for retrieval">MaxRetrievable</a>();
<a name="l00283"></a>00283         <span class="keywordflow">else</span>
<a name="l00284"></a>00284                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#8d4359262c67b3e10d193ba30ef193c5" title="copy copyMax bytes of the buffered output to target as input">CopyTo</a>(TheBitBucket());
<a name="l00285"></a>00285 }
<a name="l00286"></a>00286 
<a name="l00287"></a><a class="code" href="class_buffered_transformation.html#8c1e2ca57fc06a1f3694d8fe7f8508ff">00287</a> <span class="keywordtype">bool</span> <a class="code" href="class_buffered_transformation.html#8c1e2ca57fc06a1f3694d8fe7f8508ff" title="returns whether any bytes are currently ready for retrieval">BufferedTransformation::AnyRetrievable</a>()<span class="keyword"> const</span>
<a name="l00288"></a>00288 <span class="keyword"></span>{
<a name="l00289"></a>00289         <span class="keywordflow">if</span> (<a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>())
<a name="l00290"></a>00290                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>()-&gt;<a class="code" href="class_buffered_transformation.html#8c1e2ca57fc06a1f3694d8fe7f8508ff" title="returns whether any bytes are currently ready for retrieval">AnyRetrievable</a>();
<a name="l00291"></a>00291         <span class="keywordflow">else</span>
<a name="l00292"></a>00292         {
<a name="l00293"></a>00293                 byte b;
<a name="l00294"></a>00294                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#5fa048faf8c043ad57ae0a8911070090" title="peek at the next byte without removing it from the output buffer">Peek</a>(b) != 0;
<a name="l00295"></a>00295         }
<a name="l00296"></a>00296 }
<a name="l00297"></a>00297 
<a name="l00298"></a><a class="code" href="class_buffered_transformation.html#9e1ad913c8fe697d269f408a7d5928fc">00298</a> <span class="keywordtype">size_t</span> <a class="code" href="class_buffered_transformation.html#9e1ad913c8fe697d269f408a7d5928fc" title="try to retrieve a single byte">BufferedTransformation::Get</a>(byte &amp;outByte)
<a name="l00299"></a>00299 {
<a name="l00300"></a>00300         <span class="keywordflow">if</span> (<a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>())
<a name="l00301"></a>00301                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>()-&gt;<a class="code" href="class_buffered_transformation.html#9e1ad913c8fe697d269f408a7d5928fc" title="try to retrieve a single byte">Get</a>(outByte);
<a name="l00302"></a>00302         <span class="keywordflow">else</span>
<a name="l00303"></a>00303                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#9e1ad913c8fe697d269f408a7d5928fc" title="try to retrieve a single byte">Get</a>(&amp;outByte, 1);
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305 
<a name="l00306"></a><a class="code" href="class_buffered_transformation.html#0a6f18a871720453e1791c64f0461a9f">00306</a> <span class="keywordtype">size_t</span> <a class="code" href="class_buffered_transformation.html#9e1ad913c8fe697d269f408a7d5928fc" title="try to retrieve a single byte">BufferedTransformation::Get</a>(byte *outString, <span class="keywordtype">size_t</span> getMax)
<a name="l00307"></a>00307 {
<a name="l00308"></a>00308         <span class="keywordflow">if</span> (<a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>())
<a name="l00309"></a>00309                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>()-&gt;<a class="code" href="class_buffered_transformation.html#9e1ad913c8fe697d269f408a7d5928fc" title="try to retrieve a single byte">Get</a>(outString, getMax);
<a name="l00310"></a>00310         <span class="keywordflow">else</span>
<a name="l00311"></a>00311         {
<a name="l00312"></a>00312                 <a class="code" href="class_array_sink.html" title="Copy input to a memory buffer.">ArraySink</a> arraySink(outString, getMax);
<a name="l00313"></a>00313                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)<a class="code" href="class_buffered_transformation.html#91c4526148274ae9cb68803bb2d2a2aa" title="move transferMax bytes of the buffered output to target as input">TransferTo</a>(arraySink, getMax);
<a name="l00314"></a>00314         }
<a name="l00315"></a>00315 }
<a name="l00316"></a>00316 
<a name="l00317"></a><a class="code" href="class_buffered_transformation.html#5fa048faf8c043ad57ae0a8911070090">00317</a> <span class="keywordtype">size_t</span> <a class="code" href="class_buffered_transformation.html#5fa048faf8c043ad57ae0a8911070090" title="peek at the next byte without removing it from the output buffer">BufferedTransformation::Peek</a>(byte &amp;outByte)<span class="keyword"> const</span>
<a name="l00318"></a>00318 <span class="keyword"></span>{
<a name="l00319"></a>00319         <span class="keywordflow">if</span> (<a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>())
<a name="l00320"></a>00320                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#ba6bbc169e26ed77a6bb5d50f91abda0" title="returns the object immediately attached to this object or NULL for no attachment">AttachedTransformation</a>()-&gt;<a class="code" href="class_buffered_transformation.html#5fa048faf8c043ad57ae0a8911070090" title="peek at the next byte without removing it from the output buffer">Peek</a>(outByte);
<a name="l00321"></a>00321         <span class="keywordflow">else</span>
<a name="l00322"></a>00322                 <span class="keywordflow">return</span> <a class="code" href="class_buffered_transformation.html#5fa048faf8c043ad57ae0a8911070090" title="peek at the next byte without removing it from the output buffer">Peek</a>(&amp;outByte, 1);
<a name="l00323"></a>00323 }