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Do not store lines to word in word db, just keep the old lines alive

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This commit is contained in:
Maxime Coste 2015-01-15 13:58:55 +00:00
parent 76d806e98d
commit 8eef019cf8
2 changed files with 15 additions and 16 deletions
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25
src/word_db.cc
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@ -77,11 +77,11 @@ void WordDB::remove_words(const WordList& words)
WordDB::WordDB(const Buffer& buffer)
: m_buffer{&buffer}, m_timestamp{buffer.timestamp()}
{
m_line_to_words.reserve((int)buffer.line_count());
m_lines.reserve((int)buffer.line_count());
for (auto line = 0_line, end = buffer.line_count(); line < end; ++line)
{
m_line_to_words.push_back(get_words(buffer[line]));
add_words(m_line_to_words.back());
m_lines.push_back(buffer[line]);
add_words(get_words(m_lines.back()));
}
}
@ -95,8 +95,7 @@ void WordDB::update_db()
if (modifs.empty())
return;
LineToWords new_lines;
Lines new_lines;
new_lines.reserve((int)buffer.line_count());
auto old_line = 0_line;
@ -105,14 +104,14 @@ void WordDB::update_db()
kak_assert(0_line <= modif.new_line and modif.new_line < buffer.line_count());
kak_assert(old_line <= modif.old_line);
while (old_line < modif.old_line)
new_lines.push_back(std::move(m_line_to_words[(int)old_line++]));
new_lines.push_back(std::move(m_lines[(int)old_line++]));
kak_assert((int)new_lines.size() == (int)modif.new_line);
while (old_line <= modif.old_line + modif.num_removed)
{
kak_assert(old_line < m_line_to_words.size());
remove_words(m_line_to_words[(int)old_line++]);
kak_assert(old_line < m_lines.size());
remove_words(get_words(m_lines[(int)old_line++]));
}
for (auto l = 0_line; l <= modif.num_added; ++l)
@ -120,14 +119,14 @@ void WordDB::update_db()
if (modif.new_line + l >= buffer.line_count())
break;
new_lines.push_back(get_words(buffer[modif.new_line + l]));
add_words(new_lines.back());
new_lines.push_back(buffer[modif.new_line + l]);
add_words(get_words(new_lines.back()));
}
}
while (old_line != (int)m_line_to_words.size())
new_lines.push_back(std::move(m_line_to_words[(int)old_line++]));
while (old_line != (int)m_lines.size())
new_lines.push_back(std::move(m_lines[(int)old_line++]));
m_line_to_words = std::move(new_lines);
m_lines = std::move(new_lines);
}
int WordDB::get_word_occurences(StringView word) const

6
src/word_db.hh
View File

@ -22,7 +22,7 @@ public:
WordDB(const WordDB&) = delete;
WordDB(WordDB&&) = default;
using WordList = Vector<SharedString, MemoryDomain::WordDB>;
using WordList = Vector<StringView>;
template<typename MatchFunc>
WordList find_matching(StringView str, MatchFunc match)
{
@ -50,12 +50,12 @@ private:
int refcount;
};
using WordToInfo = UnorderedMap<SharedString, WordInfo, MemoryDomain::WordDB>;
using LineToWords = Vector<WordList, MemoryDomain::WordDB>;
using Lines = Vector<SharedString, MemoryDomain::WordDB>;
safe_ptr<const Buffer> m_buffer;
size_t m_timestamp;
WordToInfo m_words;
LineToWords m_line_to_words;
Lines m_lines;
};
}