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Fix highlighting empty ranges at end of line and begin of line

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This commit is contained in:
Maxime Coste 2020-04-25 12:17:39 +10:00
parent fde4c60dd9
commit 0fdfbdfd15
5 changed files with 32 additions and 13 deletions
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33
src/highlighters.cc
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@ -89,13 +89,18 @@ void replace_range(DisplayBuffer& display_buffer,
BufferCoord begin, BufferCoord end, T func)
{
// tolerate begin > end as that can be triggered by wrong encodings
if (begin > end or end <= display_buffer.range().begin
or begin >= display_buffer.range().end)
if (begin > end or end < display_buffer.range().begin or begin > display_buffer.range().end)
return;
for (auto& line : display_buffer.lines())
{
auto& range = line.range();
if ((begin == end) and begin == range.end)
{
func(line, line.atoms().size(), line.atoms().size());
continue;
}
if (range.end <= begin or end < range.begin)
continue;
@ -103,7 +108,7 @@ void replace_range(DisplayBuffer& display_buffer,
for (auto atom_it = line.begin(); atom_it != line.end(); ++atom_it)
{
if (not atom_it->has_buffer_range() or
end <= atom_it->begin() or begin >= atom_it->end())
end < atom_it->begin() or begin >= atom_it->end())
continue;
if (begin >= atom_it->begin())
@ -1573,20 +1578,22 @@ private:
auto& range_and_faces = get_option(context);
update_ranges(buffer, range_and_faces.prefix, range_and_faces.list);
auto is_valid = [&buffer](BufferCoord c) {
return c.line >= 0 and c.column >= 0 and c.line < buffer.line_count() and c.column <= buffer[c.line].length();
};
for (auto& [range, spec] : range_and_faces.list)
{
try
{
if (buffer.is_valid(range.first) and (buffer.is_valid(range.last) or is_empty(range)))
{
auto replacement = parse_display_line(spec, context.context.faces());
replace_range(display_buffer, range.first, is_empty(range) ? range.first : buffer.char_next(range.last),
[&](DisplayLine& line, int beg_idx, int end_idx){
auto it = line.erase(line.begin() + beg_idx, line.begin() + end_idx);
for (auto& atom : replacement)
it = ++line.insert(it, std::move(atom));
});
}
if (!is_valid(range.first) or (!is_empty(range) and !is_valid(range.last)))
continue;
auto replacement = parse_display_line(spec, context.context.faces());
replace_range(display_buffer, range.first, is_empty(range) ? range.first : buffer.char_next(range.last),
[&](DisplayLine& line, int beg_idx, int end_idx){
auto it = line.erase(line.begin() + beg_idx, line.begin() + end_idx);
std::move(replacement.begin(), replacement.end(), std::inserter(line, it));
});
}
catch (runtime_error&)
{}

1
test/highlight/replace-empty-range/cmd Normal file
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@ -0,0 +1 @@

2
test/highlight/replace-empty-range/in Normal file
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@ -0,0 +1,2 @@
12345
12345

2
test/highlight/replace-empty-range/rc Normal file
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@ -0,0 +1,2 @@
declare-option range-specs test_ranges %val{timestamp} '1.1+0|A' '1.7+0|B' '2.3+0|C'
add-highlighter window/ replace-ranges test_ranges

7
test/highlight/replace-empty-range/script Normal file
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@ -0,0 +1,7 @@
ui_out '{ "jsonrpc": "2.0", "method": "set_ui_options", "params": [{}] }'
ui_out '{ "jsonrpc": "2.0", "method": "draw", "params": [[[{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "A" }, { "face": { "fg": "black", "bg": "white", "attributes": [] }, "contents": "1" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "2345\u000a" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "B" }], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "12" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "C" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "345\u000a" }]], { "fg": "default", "bg": "default", "attributes": [] }, { "fg": "blue", "bg": "default", "attributes": [] }] }'
ui_out '{ "jsonrpc": "2.0", "method": "menu_hide", "params": [] }'
ui_out '{ "jsonrpc": "2.0", "method": "info_hide", "params": [] }'
ui_out '{ "jsonrpc": "2.0", "method": "draw_status", "params": [[], [{ "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": "out 1:1 " }, { "face": { "fg": "black", "bg": "yellow", "attributes": [] }, "contents": "" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " " }, { "face": { "fg": "blue", "bg": "default", "attributes": [] }, "contents": "1 sel" }, { "face": { "fg": "default", "bg": "default", "attributes": [] }, "contents": " - client0@[kak-tests]" }], { "fg": "cyan", "bg": "default", "attributes": [] }] }'
ui_out '{ "jsonrpc": "2.0", "method": "set_cursor", "params": ["buffer", { "line": 0, "column": 1 }] }'
ui_out '{ "jsonrpc": "2.0", "method": "refresh", "params": [true] }'