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Fix RegexColorizer cache handling

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This commit is contained in:
Maxime Coste 2014-05-14 19:22:42 +01:00
parent 855357ee73
commit 34e1c2ddd5
1 changed files with 10 additions and 7 deletions
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15
src/highlighters.cc
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@ -196,7 +196,7 @@ private:
struct Cache
{
Cache(const Buffer&){}
BufferRange m_range;
std::pair<LineCount, LineCount> m_range;
size_t m_timestamp = 0;
std::vector<std::vector<std::pair<ByteCoord, ByteCoord>>> m_matches;
};
@ -209,18 +209,21 @@ private:
{
Cache& cache = m_cache.get(buffer);
LineCount first_line = range.first.line;
LineCount last_line = std::min(buffer.line_count()-1, range.second.line);
if (buffer.timestamp() == cache.m_timestamp and
range.first >= cache.m_range.first and
range.second <= cache.m_range.second)
first_line >= cache.m_range.first and
last_line <= cache.m_range.second)
return cache;
cache.m_range.first = buffer.clamp({range.first.line - 10, 0});
cache.m_range.second = buffer.next(buffer.clamp({range.second.line + 10, INT_MAX}));
cache.m_range.first = std::max(0_line, first_line - 10);
cache.m_range.second = std::min(buffer.line_count()-1, last_line+10);
cache.m_timestamp = buffer.timestamp();
cache.m_matches.clear();
RegexIterator re_it{buffer.iterator_at(cache.m_range.first),
buffer.iterator_at(cache.m_range.second), m_regex};
buffer.iterator_at(cache.m_range.second+1), m_regex};
RegexIterator re_end;
for (; re_it != re_end; ++re_it)
{