2a8ebc4906
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>
46 lines
914 B
C++
46 lines
914 B
C++
#pragma once
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#include <cstdint>
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#include <cstddef>
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#include <string>
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#include <string_view>
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#include <unordered_map>
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#include <vector>
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#include <mutex>
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#include <shared_mutex>
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namespace mln {
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using StringIdentity = std::size_t;
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class StringIndexer {
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protected:
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StringIndexer();
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public:
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StringIndexer(StringIndexer const&) = delete;
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StringIndexer(StringIndexer&&) = delete;
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void operator=(StringIndexer const&) = delete;
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~StringIndexer() = default;
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StringIdentity get(std::string_view);
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std::string get(const StringIdentity id);
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size_t size();
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protected:
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friend StringIndexer& stringIndexer();
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std::unordered_map<std::string_view, StringIdentity> stringToIdentity;
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std::vector<StringIdentity> identityToString;
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std::vector<char> buffer;
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std::shared_mutex sharedMutex;
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};
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/// StringIndexer singleton
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StringIndexer& stringIndexer();
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} // namespace mln
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