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#ifndef CRYPTOPP_FLTRIMPL_H
#define CRYPTOPP_FLTRIMPL_H
#define FILTER_BEGIN \
switch (m_continueAt) \
{ \
case 0: \
m_inputPosition = 0;
#define FILTER_END_NO_MESSAGE_END_NO_RETURN \
break; \
default: \
assert(false); \
}
#define FILTER_END_NO_MESSAGE_END \
FILTER_END_NO_MESSAGE_END_NO_RETURN \
return 0;
/*
#define FILTER_END \
case -1: \
if (messageEnd && Output(-1, NULL, 0, messageEnd, blocking)) \
return 1; \
FILTER_END_NO_MESSAGE_END
*/
#define FILTER_OUTPUT3(site, statement, output, length, messageEnd, channel) \
{\
case site: \
statement; \
if (Output(site, output, length, messageEnd, blocking, channel)) \
return STDMAX(size_t(1), length-m_inputPosition);\
}
#define FILTER_OUTPUT2(site, statement, output, length, messageEnd) \
FILTER_OUTPUT3(site, statement, output, length, messageEnd, DEFAULT_CHANNEL)
#define FILTER_OUTPUT(site, output, length, messageEnd) \
FILTER_OUTPUT2(site, 0, output, length, messageEnd)
#define FILTER_OUTPUT_BYTE(site, output) \
FILTER_OUTPUT(site, &(const byte &)(byte)output, 1, 0)
#define FILTER_OUTPUT2_MODIFIABLE(site, statement, output, length, messageEnd) \
{\
case site: \
statement; \
if (OutputModifiable(site, output, length, messageEnd, blocking)) \
return STDMAX(size_t(1), length-m_inputPosition);\
}
#define FILTER_OUTPUT_MODIFIABLE(site, output, length, messageEnd) \
FILTER_OUTPUT2_MODIFIABLE(site, 0, output, length, messageEnd)
#define FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, statement, output, length, messageEnd, modifiable) \
{\
case site: \
statement; \
if (modifiable ? OutputModifiable(site, output, length, messageEnd, blocking) : Output(site, output, length, messageEnd, blocking)) \
return STDMAX(size_t(1), length-m_inputPosition);\
}
#define FILTER_OUTPUT_MAYBE_MODIFIABLE(site, output, length, messageEnd, modifiable) \
FILTER_OUTPUT2_MAYBE_MODIFIABLE(site, 0, output, length, messageEnd, modifiable)
#endif
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