mirror of
https://github.com/cathugger/mkp224o.git
synced 2025-01-09 11:07:19 -03:00
194 lines
3.4 KiB
C
194 lines
3.4 KiB
C
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#ifdef BINFILTER
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struct bfiltervec filters;
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#endif // BINFILTER
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#ifdef INTFILTER
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struct ifiltervec filters;
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# ifdef OMITMASK
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IFT ifiltermask;
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# endif
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#endif // INTFILTER
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#ifdef PCRE2FILTER
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struct pfiltervec filters;
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#endif // PCRE2FILTER
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void filters_init(void)
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{
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VEC_INIT(filters);
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}
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#include "filters_common.inc.h"
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#ifdef INTFILTER
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# ifndef BINSEARCH
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#define MATCHFILTER(it,pk) \
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((*(IFT *)(pk) & VEC_BUF(filters,it).m) == VEC_BUF(filters,it).f)
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#define DOFILTER(it,pk,code) \
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do { \
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for (it = 0;it < VEC_LENGTH(filters);++it) { \
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if (unlikely(MATCHFILTER(it,pk))) { \
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code; \
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break; \
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} \
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} \
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} while (0)
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# else // BINSEARCH
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# ifdef OMITMASK
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#define DOFILTER(it,pk,code) \
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do { \
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register IFT maskedpk = *(IFT *)(pk) & ifiltermask; \
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for (size_t down = 0,up = VEC_LENGTH(filters);down < up;) { \
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it = (up + down) / 2; \
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if (maskedpk < VEC_BUF(filters,it).f) \
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up = it; \
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else if (maskedpk > VEC_BUF(filters,it).f) \
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down = it + 1; \
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else { \
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code; \
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break; \
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} \
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} \
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} while (0)
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# else // OMITMASK
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#define DOFILTER(it,pk,code) \
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do { \
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for (size_t down = 0,up = VEC_LENGTH(filters);down < up;) { \
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it = (up + down) / 2; \
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IFT maskedpk = *(IFT *)(pk) & VEC_BUF(filters,it).m; \
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register int cmp = memcmp(&maskedpk,&VEC_BUF(filters,it).f,sizeof(IFT)); \
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if (cmp < 0) \
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up = it; \
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else if (cmp > 0) \
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down = it + 1; \
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else { \
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code; \
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break; \
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} \
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} \
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} while (0)
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# endif // OMITMASK
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# endif // BINSEARCH
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#define PREFILTER
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#define POSTFILTER
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#endif // INTFILTER
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#ifdef BINFILTER
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# ifndef BINSEARCH
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#define MATCHFILTER(it,pk) ( \
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memcmp(pk,VEC_BUF(filters,it).f,VEC_BUF(filters,it).len) == 0 && \
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(pk[VEC_BUF(filters,it).len] & VEC_BUF(filters,it).mask) == VEC_BUF(filters,it).f[VEC_BUF(filters,it).len])
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#define DOFILTER(it,pk,code) \
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do { \
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for (it = 0;it < VEC_LENGTH(filters);++it) { \
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if (unlikely(MATCHFILTER(it,pk))) { \
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code; \
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break; \
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} \
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} \
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} while (0)
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# else // BINSEARCH
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#define DOFILTER(it,pk,code) \
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do { \
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for (size_t down = 0,up = VEC_LENGTH(filters);down < up;) { \
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it = (up + down) / 2; \
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{ \
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register int filterdiff = memcmp(pk,VEC_BUF(filters,it).f,VEC_BUF(filters,it).len); \
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if (filterdiff < 0) { \
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up = it; \
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continue; \
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} \
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if (filterdiff > 0) { \
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down = it + 1; \
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continue; \
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} \
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} \
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if ((pk[VEC_BUF(filters,it).len] & VEC_BUF(filters,it).mask) < \
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VEC_BUF(filters,it).f[VEC_BUF(filters,it).len]) \
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{ \
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up = it; \
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continue; \
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} \
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if ((pk[VEC_BUF(filters,it).len] & VEC_BUF(filters,it).mask) > \
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VEC_BUF(filters,it).f[VEC_BUF(filters,it).len]) \
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{ \
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down = it + 1; \
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continue; \
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} \
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{ \
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code; \
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break; \
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} \
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} \
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} while (0)
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# endif // BINSEARCH
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#define PREFILTER
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#define POSTFILTER
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#endif // BINFILTER
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#ifdef PCRE2FILTER
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#define PREFILTER \
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char pkconvbuf[BASE32_TO_LEN(PUBLIC_LEN) + 1]; \
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pcre2_match_data *pcre2md = pcre2_match_data_create(128,0); \
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PCRE2_SIZE *pcre2ovector = 0;
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#define POSTFILTER \
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pcre2_match_data_free(pcre2md);
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#define DOFILTER(it,pk,code) \
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do { \
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base32_to(pkconvbuf,pk,PUBLIC_LEN); \
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size_t __l = VEC_LENGTH(filters); \
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for (it = 0;it < __l;++it) { \
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int rc = pcre2_match(VEC_BUF(filters,it).re,(PCRE2_SPTR8)pkconvbuf,BASE32_TO_LEN(PUBLIC_LEN),0, \
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PCRE2_NO_UTF_CHECK,pcre2md,0); \
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if (unlikely(rc >= 0)) { \
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pcre2ovector = pcre2_get_ovector_pointer(pcre2md); \
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code; \
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break; \
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} \
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} \
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} while (0)
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#endif // PCRE2FILTER
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