kakoune/src/word_db.hh

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#ifndef word_db_hh_INCLUDED
#define word_db_hh_INCLUDED
#include "buffer.hh"
#include "shared_string.hh"
#include "unordered_map.hh"
#include "vector.hh"
#include "ranked_match.hh"
namespace Kakoune
{
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using RankedMatchList = Vector<RankedMatch>;
// maintain a database of words available in a buffer
class WordDB : public OptionManagerWatcher
{
public:
WordDB(const Buffer& buffer);
~WordDB();
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WordDB(const WordDB&) = delete;
WordDB(WordDB&&);
RankedMatchList find_matching(StringView str);
int get_word_occurences(StringView word) const;
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private:
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void update_db();
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void add_words(StringView line);
void remove_words(StringView line);
void rebuild_db();
void on_option_changed(const Option& option) override;
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struct WordInfo
{
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StringDataPtr word;
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UsedLetters letters;
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int refcount;
};
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using WordToInfo = UnorderedMap<StringView, WordInfo, MemoryDomain::WordDB>;
using Lines = Vector<StringDataPtr, MemoryDomain::WordDB>;
SafePtr<const Buffer> m_buffer;
size_t m_timestamp;
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WordToInfo m_words;
Lines m_lines;
};
}
#endif // word_db_hh_INCLUDED