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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "utf8strchrfieldsearcher.h"
using search::streaming::QueryTerm;
using search::streaming::QueryTermList;
using search::byte;
namespace vsm {
std::unique_ptr<FieldSearcher>
UTF8StrChrFieldSearcher::duplicate() const
{
return std::make_unique<UTF8StrChrFieldSearcher>(*this);
}
size_t
UTF8StrChrFieldSearcher::matchTerms(const FieldRef & f, const size_t mintsz)
{
(void) mintsz;
termcount_t words(0);
const byte * n = reinterpret_cast<const byte *> (f.data());
const byte * e = n + f.size();
if (f.size() >= _buf->size()) {
_buf->reserve(f.size() + 1);
}
cmptype_t * fn = &(*_buf.get())[0];
size_t fl(0);
for( ; n < e; ) {
if (!*n) { _zeroCount++; n++; }
n = tokenize(n, _buf->capacity(), fn, fl);
for (auto qt : _qtl) {
const cmptype_t * term;
termsize_t tsz = qt->term(term);
if ((tsz <= fl) && (prefix() || qt->isPrefix() || (tsz == fl))) {
const cmptype_t *tt=term, *et=term+tsz;
for (const cmptype_t *fnt=fn; (tt < et) && (*tt == *fnt); tt++, fnt++);
if (tt == et) {
addHit(*qt, words);
}
}
}
words++;
}
NEED_CHAR_STAT(addAnyUtf8Field(f.size()));
return words;
}
size_t
UTF8StrChrFieldSearcher::matchTerm(const FieldRef & f, QueryTerm & qt)
{
return matchTermRegular(f, qt);
}
}
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