49 lines
1.3 KiB
C++
49 lines
1.3 KiB
C++
#ifndef line_change_watcher_hh_INCLUDED
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#define line_change_watcher_hh_INCLUDED
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#include "array_view.hh"
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#include "units.hh"
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#include "utils.hh"
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#include "range.hh"
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#include "vector.hh"
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namespace Kakoune
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{
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class Buffer;
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struct LineModification
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{
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LineCount old_line; // line position in the old buffer
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LineCount new_line; // new line position
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LineCount num_removed; // number of lines removed (including this one)
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LineCount num_added; // number of lines added (including this one)
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LineCount diff() const { return new_line - old_line + num_added - num_removed; }
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};
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Vector<LineModification> compute_line_modifications(const Buffer& buffer, size_t timestamp);
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using LineRange = Range<LineCount>;
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struct LineRangeSet : private Vector<LineRange, MemoryDomain::Highlight>
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{
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using Base = Vector<LineRange, MemoryDomain::Highlight>;
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using Base::operator[];
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using Base::begin;
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using Base::end;
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ConstArrayView<LineRange> view() const { return {data(), data() + size()}; }
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void reset(LineRange range) { Base::operator=({range}); }
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void update(ConstArrayView<LineModification> modifs);
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void add_range(LineRange range, FunctionRef<void (LineRange)> on_new_range);
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void remove_range(LineRange range);
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};
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}
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#endif // line_change_watcher_hh_INCLUDED
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