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72 lines
2.2 KiB
C++
72 lines
2.2 KiB
C++
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <fmt/core.h>
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#include <boost_ext/dynamic_bitset_ext.hpp>
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#include <deque>
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#include "common/Types.h"
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#include "exceptions/EasyAssert.h"
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#include "knowhere/bitsetview.h"
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namespace milvus {
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class BitsetView : public knowhere::BitsetView {
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public:
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BitsetView() = default;
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~BitsetView() = default;
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BitsetView(const std::nullptr_t value) // NOLINT
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: knowhere::BitsetView(value) { // NOLINT
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}
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BitsetView(const uint8_t* data, size_t num_bits)
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: knowhere::BitsetView(data, num_bits) { // NOLINT
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}
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BitsetView(const BitsetType& bitset) // NOLINT
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: BitsetView((uint8_t*)boost_ext::get_data(bitset),
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size_t(bitset.size())) {
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}
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BitsetView(const BitsetTypePtr& bitset_ptr) { // NOLINT
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if (bitset_ptr) {
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*this = BitsetView(*bitset_ptr);
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}
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}
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BitsetView
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subview(size_t offset, size_t size) const {
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if (empty()) {
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return {};
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}
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AssertInfo((offset & 0x7) == 0, "offset is not divisible by 8");
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AssertInfo(offset + size <= this->size(),
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fmt::format(
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"index out of range, offset={}, size={}, bitset.size={}",
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offset,
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size,
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this->size()));
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return {data() + (offset >> 3), size};
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}
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};
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} // namespace milvus
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