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77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
#pragma once
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#include "indexer/classificator.hpp"
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#include "indexer/feature_data.hpp"
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#include <string>
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#include <unordered_map>
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#include <unordered_set>
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#include <utility>
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#include <vector>
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namespace ftypes
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{
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template <typename Container>
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class Matcher
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{
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public:
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using ConstIterator = typename Container::const_iterator;
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ConstIterator Find(feature::TypesHolder const & types) const
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{
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for (auto const t : types)
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{
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for (auto level = ftype::GetLevel(t); level; --level)
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{
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auto truncatedType = t;
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ftype::TruncValue(truncatedType, level);
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auto const it = m_mapping.find(truncatedType);
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if (it != m_mapping.cend())
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return it;
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}
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}
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return m_mapping.cend();
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}
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ConstIterator End() const
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{
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return m_mapping.cend();
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}
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bool IsValid(ConstIterator it) const
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{
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return it != m_mapping.cend();
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}
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bool Contains(feature::TypesHolder const & types) const
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{
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return IsValid(Find(types));
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}
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template <typename Type, typename... Args>
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void AppendType(Type && type, Args &&... args)
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{
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m_mapping.emplace(classif().GetTypeByPath(std::forward<Type>(type)),
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std::forward<Args>(args)...);
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}
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template <typename TypesPaths, typename... Args>
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void Append(TypesPaths && types, Args &&... args)
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{
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// We mustn't forward args in the loop below because it will be forwarded at first iteration.
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for (auto const & type : types)
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AppendType(type, args...);
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}
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private:
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Container m_mapping;
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};
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template <typename Key, typename Value>
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using HashMapMatcher = Matcher<std::unordered_map<Key, Value>>;
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template <typename Key>
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using HashSetMatcher = Matcher<std::unordered_set<Key>>;
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} // namespace ftypes
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