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Optimization and code cleanup in the region highlighter.

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This commit is contained in:
Maxime Coste 2014-01-13 20:11:05 +00:00
parent 219f4c9c19
commit 86eaa64982
1 changed files with 37 additions and 38 deletions
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57
src/highlighters.cc
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@ -550,6 +550,18 @@ private:
};
using MatchList = std::vector<Match>;
static bool compare_matches_end(const Match& lhs, const Match& rhs)
{
return (lhs.line != rhs.line) ? lhs.line < rhs.line
: lhs.end < rhs.end;
}
static bool compare_matches_begin(const Match& lhs, const Match& rhs)
{
return (lhs.line != rhs.line) ? lhs.line < rhs.line
: lhs.begin < rhs.begin;
}
struct LineChange
{
LineCount pos;
@ -587,43 +599,31 @@ private:
if (cache.timestamp == buf_timestamp)
return cache.regions;
{
std::sort(cache.changes.begin(), cache.changes.end(),
[](const LineChange& lhs, const LineChange& rhs) {
return lhs.pos < rhs.pos;
});
[](const LineChange& lhs, const LineChange& rhs)
{ return lhs.pos < rhs.pos; });
for (size_t i = 1; i < cache.changes.size(); ++i)
cache.changes[i].num += cache.changes[i-1].num;
update_matches(buffer, cache, cache.begin_matches, m_begin);
update_matches(buffer, cache, cache.end_matches, m_end);
cache.changes.clear();
}
cache.regions.clear();
for (auto beg_it = cache.begin_matches.begin(), end_it = cache.end_matches.begin();
beg_it != cache.begin_matches.end(); )
{
auto compare_matches = [&](const Match& lhs, const Match& rhs) {
if (lhs.line != rhs.line)
return lhs.line < rhs.line;
return lhs.end < rhs.end;
};
end_it = std::upper_bound(end_it, cache.end_matches.end(),
*beg_it, compare_matches);
*beg_it, compare_matches_end);
if (end_it == cache.end_matches.end())
{
cache.regions.push_back({{beg_it->line, beg_it->begin}, buffer.end_coord()});
cache.regions.push_back({ {beg_it->line, beg_it->begin},
buffer.end_coord() });
break;
}
else
{
cache.regions.push_back({ {beg_it->line, beg_it->begin},
{end_it->line, end_it->end} });
beg_it = std::upper_bound(beg_it, cache.begin_matches.end(),
*end_it, compare_matches);
}
*end_it, compare_matches_end);
}
cache.timestamp = buffer.timestamp();
return cache.regions;
@ -636,20 +636,24 @@ private:
for (auto it = matches.begin(); it != matches.end();)
{
auto change_it = std::lower_bound(cache.changes.begin(), cache.changes.end(), it->line,
[](const LineChange& c, const LineCount& l) {
return c.pos < l; });
[](const LineChange& c, const LineCount& l)
{ return c.pos < l; });
if (change_it != cache.changes.begin())
{
it->line += (change_it-1)->num;
if (it->line <= (change_it-1)->pos)
{
it = matches.erase(it);
std::swap(*it, matches.back());
matches.pop_back();
continue;
}
}
if (it->line >= buffer.line_count() or
it->timestamp < buffer.line_timestamp(it->line))
it = matches.erase(it);
{
std::swap(*it, matches.back());
matches.pop_back();
}
else
{
it->timestamp = buf_timestamp;
@ -659,7 +663,7 @@ private:
}
}
// try to find new matches in each updated lines
for (auto line = 0_line; line < buffer.line_count(); ++line)
for (auto line = 0_line, end = buffer.line_count(); line < end; ++line)
{
if (buffer.line_timestamp(line) > cache.timestamp)
{
@ -672,12 +676,7 @@ private:
}
}
}
std::sort(matches.begin(), matches.end(),
[](const Match& lhs, const Match& rhs) {
if (lhs.line != rhs.line)
return lhs.line < rhs.line;
return lhs.begin < rhs.begin;
});
std::sort(matches.begin(), matches.end(), compare_matches_begin);
}
};