library/cpp/containers/comptrie/write_trie_backwards.h


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#pragma once 
 
#include "minimize.h"

#include <util/generic/vector.h>
#include <util/stream/output.h> 
#include <cstddef> 
 
namespace NCompactTrie { 
    class TReverseNodeEnumerator { 
    public: 
        virtual ~TReverseNodeEnumerator() = default;
        virtual bool Move() = 0; 
        virtual size_t GetLeafLength() const = 0; 
        virtual size_t RecreateNode(char* buffer, size_t resultLength) = 0; 
    }; 
 
    struct TOpaqueTrie;

    size_t WriteTrieBackwards(IOutputStream& os, TReverseNodeEnumerator& enumerator, bool verbose);
    size_t WriteTrieBackwardsNoAlloc(IOutputStream& os, TReverseNodeEnumerator& enumerator, TOpaqueTrie& trie, EMinimizeMode mode);
 
}