library/cpp/containers/comptrie/set.h


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40

#pragma once 
 
#include "comptrie_trie.h"

template <typename T = char>
class TCompactTrieSet: public TCompactTrie<T, ui8, TNullPacker<ui8>> { 
public:
    typedef TCompactTrie<T, ui8, TNullPacker<ui8>> TBase; 

    using typename TBase::TBuilder; 
    using typename TBase::TKey;
    using typename TBase::TKeyBuf;
    using typename TBase::TSymbol; 

    TCompactTrieSet() = default;

    explicit TCompactTrieSet(const TBlob& data)
        : TBase(data)
    {
    }

    template <typename D>
    explicit TCompactTrieSet(const TCompactTrie<T, D, TNullPacker<D>>& trie) 
        : TBase(trie.Data()) // should be binary compatible for any D 
    {
    }

    TCompactTrieSet(const char* data, size_t len)
        : TBase(data, len)
    {
    }

    bool Has(const typename TBase::TKeyBuf& key) const {
        return TBase::Find(key.data(), key.size());
    }

    bool FindTails(const typename TBase::TKeyBuf& key, TCompactTrieSet<T>& res) const {
        return TBase::FindTails(key, res);
    }
};