fltrimpl.h

00001 #ifndef CRYPTOPP_FLTRIMPL_H
00002 #define CRYPTOPP_FLTRIMPL_H
00003 
00004 #define FILTER_BEGIN    \
00005     switch (m_continueAt)   \
00006     {   \
00007     case 0: \
00008         m_inputPosition = 0;
00009 
00010 #define FILTER_END_NO_MESSAGE_END_NO_RETURN \
00011         break;  \
00012     default:    \
00013         assert(false);  \
00014     }
00015 
00016 #define FILTER_END_NO_MESSAGE_END   \
00017     FILTER_END_NO_MESSAGE_END_NO_RETURN \
00018     return 0;
00019 
00020 /*
00021 #define FILTER_END  \
00022     case -1:    \
00023         if (messageEnd && Output(-1, NULL, 0, messageEnd, blocking))    \
00024             return 1;   \
00025     FILTER_END_NO_MESSAGE_END
00026 */
00027 
00028 #define FILTER_OUTPUT2(site, statement, output, length, messageEnd) \
00029     {\
00030     case site:  \
00031     statement;  \
00032     if (Output(site, output, length, messageEnd, blocking)) \
00033         return STDMAX(size_t(1), length-m_inputPosition);\
00034     }
00035 
00036 #define FILTER_OUTPUT(site, output, length, messageEnd) \
00037     FILTER_OUTPUT2(site, 0, output, length, messageEnd)
00038 
00039 #define FILTER_OUTPUT_BYTE(site, output)    \
00040     FILTER_OUTPUT(site, &(const byte &)(byte)output, 1, 0)
00041 
00042 #define FILTER_OUTPUT2_MODIFIABLE(site, statement, output, length, messageEnd)  \
00043     {\
00044     case site:  \
00045     statement;  \
00046     if (OutputModifiable(site, output, length, messageEnd, blocking))   \
00047         return STDMAX(size_t(1), length-m_inputPosition);\
00048     }
00049 
00050 #define FILTER_OUTPUT_MODIFIABLE(site, output, length, messageEnd)  \
00051     FILTER_OUTPUT2_MODIFIABLE(site, 0, output, length, messageEnd)
00052 
00053 #define FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, statement, output, length, messageEnd, modifiable)    \
00054     {\
00055     case site:  \
00056     statement;  \
00057     if (modifiable ? OutputModifiable(site, output, length, messageEnd, blocking) : Output(site, output, length, messageEnd, blocking)) \
00058         return STDMAX(size_t(1), length-m_inputPosition);\
00059     }
00060 
00061 #define FILTER_OUTPUT_MAYBE_MODIFIABLE(site, output, length, messageEnd, modifiable)    \
00062     FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, 0, output, length, messageEnd, modifiable)
00063 
00064 #endif

Generated on Thu Jul 5 22:21:37 2007 for Crypto++ by  doxygen 1.5.2