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RegionHighlighter: correct coordinates that are one past end of line

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As region highlighters store per lines matches, end of line ones
are not valid buffer coordinates and must be corrected as begining
of next line.
This commit is contained in:
Maxime Coste 2014-01-18 10:52:26 +00:00
parent 5cffc48efc
commit 2ac545d306
1 changed files with 13 additions and 4 deletions
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17
src/highlighters.cc
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@ -536,13 +536,20 @@ public:
if (flags != HighlightFlags::Highlight)
return;
auto range = display_buffer.range();
auto& regions = update_cache_ifn(context.buffer());
const auto& buffer = context.buffer();
auto& regions = update_cache_ifn(buffer);
auto begin = std::lower_bound(regions.begin(), regions.end(), range.first,
[](const Region& r, const BufferCoord& c) { return r.end < c; });
auto end = std::lower_bound(begin, regions.end(), range.second,
[](const Region& r, const BufferCoord& c) { return r.begin < c; });
auto correct = [&](const BufferCoord& c) {
if (buffer[c.line].length() == c.column)
return BufferCoord{c.line+1, 0};
return c;
};
for (; begin != end; ++begin)
m_func(context, flags, display_buffer, begin->begin, begin->end);
m_func(context, flags, display_buffer,
correct(begin->begin), correct(begin->end));
}
private:
Regex m_begin;
@ -732,8 +739,10 @@ private:
if (not erase)
{
it->timestamp = buf_timestamp;
kak_assert(buffer.is_valid({it->line, it->begin}));
kak_assert(buffer.is_valid({it->line, it->end}));
kak_assert(buffer.is_valid({it->line, it->begin}) or
buffer[it->line].length() == it->begin);
kak_assert(buffer.is_valid({it->line, it->end}) or
buffer[it->line].length() == it->end);
if (ins_pos != it)
*ins_pos = std::move(*it);