41 lines
1023 B
C++
41 lines
1023 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 <set>
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namespace Kakoune
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{
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class String;
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// maintain a database of words available in a buffer
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class WordDB : public BufferChangeListener_AutoRegister
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{
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public:
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WordDB(const Buffer& buffer);
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void on_insert(const Buffer& buffer, BufferCoord begin, BufferCoord end) override;
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void on_erase(const Buffer& buffer, BufferCoord begin, BufferCoord end) override;
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std::vector<String> find_prefix(const String& prefix) const;
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private:
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using WordToLines = std::unordered_map<String, std::vector<LineCount>>;
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using LineToWords = std::map<LineCount, std::vector<String>>;
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void add_words(LineCount line, const String& content);
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LineToWords::iterator remove_line(LineToWords::iterator it);
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void update_lines(LineToWords::iterator begin, LineToWords::iterator end,
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LineCount num);
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WordToLines m_word_to_lines;
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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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