47 lines
989 B
C++
47 lines
989 B
C++
#ifndef word_db_hh_INCLUDED
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#define word_db_hh_INCLUDED
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#include "buffer.hh"
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#include "interned_string.hh"
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#include <map>
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#include <bitset>
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namespace Kakoune
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{
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// maintain a database of words available in a buffer
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class WordDB
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{
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public:
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WordDB(const Buffer& buffer);
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WordDB(const WordDB&) { kak_assert(false); }
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WordDB(WordDB&&) = default;
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std::vector<InternedString> find_prefix(StringView prefix);
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std::vector<InternedString> find_subsequence(StringView subsequence);
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int get_word_occurences(StringView word) const;
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using UsedChars = std::bitset<64>;
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struct WordInfo
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{
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UsedChars letters;
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int refcount;
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};
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using WordList = std::unordered_map<InternedString, WordInfo>;
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private:
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using LineToWords = std::vector<std::vector<InternedString>>;
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void update_db();
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safe_ptr<const Buffer> m_buffer;
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size_t m_timestamp;
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WordList m_words;
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LineToWords m_line_to_words;
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};
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}
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#endif // word_db_hh_INCLUDED
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