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Extract update_ranges_ifn as a general utility function

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This commit is contained in:
Maxime Coste 2018-06-11 13:33:26 +10:00
parent 539832bf29
commit df90ba5984
2 changed files with 29 additions and 28 deletions
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26
src/changes.hh
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@ -80,6 +80,32 @@ void update_backward(ConstArrayView<Buffer::Change> changes, RangeContainer& ran
}
}
template<typename RangeContainer>
void update_ranges(Buffer& buffer, size_t& timestamp, RangeContainer& ranges)
{
if (timestamp == buffer.timestamp())
return;
auto changes = buffer.changes_since(timestamp);
for (auto change_it = changes.begin(); change_it != changes.end(); )
{
auto forward_end = forward_sorted_until(change_it, changes.end());
auto backward_end = backward_sorted_until(change_it, changes.end());
if (forward_end >= backward_end)
{
update_forward({ change_it, forward_end }, ranges);
change_it = forward_end;
}
else
{
update_backward({ change_it, backward_end }, ranges);
change_it = backward_end;
}
}
timestamp = buffer.timestamp();
}
}
#endif // changes_hh_INCLUDED

31
src/highlighters.cc
View File

@ -1406,31 +1406,6 @@ InclusiveBufferRange option_from_string(Meta::Type<InclusiveBufferRange>, String
BufferCoord& get_first(RangeAndString& r) { return std::get<0>(r).first; }
BufferCoord& get_last(RangeAndString& r) { return std::get<0>(r).last; }
static void update_ranges_ifn(const Buffer& buffer, RangeAndStringList& range_and_faces)
{
if (range_and_faces.prefix == buffer.timestamp())
return;
auto changes = buffer.changes_since(range_and_faces.prefix);
for (auto change_it = changes.begin(); change_it != changes.end(); )
{
auto forward_end = forward_sorted_until(change_it, changes.end());
auto backward_end = backward_sorted_until(change_it, changes.end());
if (forward_end >= backward_end)
{
update_forward({ change_it, forward_end }, range_and_faces.list);
change_it = forward_end;
}
else
{
update_backward({ change_it, backward_end }, range_and_faces.list);
change_it = backward_end;
}
}
range_and_faces.prefix = buffer.timestamp();
}
void option_list_postprocess(Vector<RangeAndString, MemoryDomain::Options>& opt)
{
std::sort(opt.begin(), opt.end(),
@ -1443,7 +1418,7 @@ void option_list_postprocess(Vector<RangeAndString, MemoryDomain::Options>& opt)
void option_update(RangeAndStringList& opt, const Context& context)
{
update_ranges_ifn(context.buffer(), opt);
update_ranges(context.buffer(), opt.prefix, opt.list);
}
struct RangesHighlighter : Highlighter
@ -1469,7 +1444,7 @@ private:
{
auto& buffer = context.context.buffer();
auto& range_and_faces = context.context.options()[m_option_name].get_mutable<RangeAndStringList>();
update_ranges_ifn(buffer, range_and_faces);
update_ranges(buffer, range_and_faces.prefix, range_and_faces.list);
for (auto& range : range_and_faces.list)
{
@ -1511,7 +1486,7 @@ private:
{
auto& buffer = context.context.buffer();
auto& range_and_faces = context.context.options()[m_option_name].get_mutable<RangeAndStringList>();
update_ranges_ifn(buffer, range_and_faces);
update_ranges(buffer, range_and_faces.prefix, range_and_faces.list);
for (auto& range : range_and_faces.list)
{