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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "attrvector.hpp"
#include "iattributesavetarget.h"
#include "load_utils.h"
#include <vespa/vespalib/data/databuffer.h>
#include <vespa/log/log.h>
LOG_SETUP(".searchlib.attribute.attr_vector");
namespace search {
StringDirectAttribute::
StringDirectAttribute(const vespalib::string & baseFileName, const Config & c)
: search::StringAttribute(baseFileName, c),
_buffer(),
_offsets(),
_idx()
{
}
StringDirectAttribute::~StringDirectAttribute() = default;
std::unique_ptr<attribute::SearchContext>
StringDirectAttribute::getSearch(QueryTermSimpleUP, const attribute::SearchContextParams &) const {
LOG_ABORT("StringDirectAttribute::getSearch is not implemented and should never be called.");
}
bool StringDirectAttribute::findEnum(const char * key, EnumHandle & e) const
{
if (_offsets.size() < 1) {
e = 0;
return false;
}
int delta;
const int eMax = getEnumMax();
for (delta = 1; delta <= eMax; delta <<= 1) { }
delta >>= 1;
int pos = delta - 1;
int cmpres(0);
while (delta != 0) {
delta >>= 1;
if (pos >= eMax) {
pos -= delta;
} else {
const char *name = &_buffer[_offsets[pos]];
cmpres = strcmp(key, name);
if (cmpres == 0) {
e = pos;
return true;
}
pos += (cmpres < 0) ? -delta : +delta;
}
}
e = ((cmpres > 0) && (pos < eMax)) ? pos + 1 : pos;
return false;
}
// XXX this is not really correct
std::vector<StringDirectAttribute::EnumHandle>
StringDirectAttribute::findFoldedEnums(const char *key) const
{
std::vector<EnumHandle> result;
EnumHandle handle;
if (findEnum(key, handle)) {
result.push_back(handle);
}
return result;
}
class stringComp {
public:
stringComp(const char * buffer) : _buffer(buffer) { }
bool operator()(uint32_t x, uint32_t y) const { return strcmp(_buffer+x, _buffer+y) < 0; }
private:
const char * _buffer;
};
void addString(const char * v, StringAttribute::OffsetVector & offsets, std::vector<char> & buffer)
{
offsets.push_back(buffer.size());
for(const char *p(v); *p; p++) {
buffer.push_back(*p);
}
buffer.push_back('\0');
}
void StringDirectAttribute::onCommit()
{
LOG_ABORT("should not be reached");
}
bool StringDirectAttribute::addDoc(DocId & doc)
{
(void) doc;
return false;
}
template class NumericDirectAttribute<IntegerAttributeTemplate<int64_t>>;
template class NumericDirectAttribute<FloatingPointAttributeTemplate<double>>;
} // namespace search
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