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