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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include "word_store.h"
#include <vespa/vespalib/datastore/datastore.hpp>
namespace search::memoryindex {
constexpr size_t MIN_BUFFER_ARRAYS = 1024;
WordStore::WordStore()
: _store(),
_numWords(0),
_type(buffer_array_size, MIN_BUFFER_ARRAYS, RefType::offsetSize()),
_typeId(0)
{
_store.addType(&_type);
_store.init_primary_buffers();
}
WordStore::~WordStore()
{
_store.dropBuffers();
}
vespalib::datastore::EntryRef
WordStore::addWord(const vespalib::stringref word)
{
size_t wordSize = word.size() + 1;
size_t bufferSize = wordSize + Aligner::pad(wordSize);
auto result = _store.rawAllocator<char>(_typeId).alloc(bufferSize / buffer_array_size);
char *be = result.data;
for (size_t i = 0; i < word.size(); ++i) {
*be++ = word[i];
}
*be++ = 0;
for (size_t i = wordSize; i < bufferSize; ++i) {
*be++ = 0;
}
++_numWords;
return result.ref;
}
}
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