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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(1U, (unsigned int)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(1U, (unsigned int)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 #endif

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