home/src/word_db.hh
Maxime Coste 3f0415c765 Introduce the 'completion_extra_word_chars' option
This string option is used to get all the additional characters
that should be considered as "word" character for the purpose of
insert mode completion.

Fixes #758
2016-08-24 23:47:09 +01:00

54 lines
1.1 KiB
C++

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