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LibLine: Avoid unnecessary copies in Editor

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This commit is contained in:
Ben Wiederhake 2021-12-05 12:10:17 +01:00 • committed by Andreas Kling
parent 13acf603d8
commit 5c4b2e8447
1 changed files with 9 additions and 15 deletions
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24
Userland/Libraries/LibLine/Editor.cpp
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@ -474,22 +474,15 @@ void Editor::stylize(Span const& span, Style const& style)
auto& spans_starting = style.is_anchored() ? m_current_spans.m_anchored_spans_starting : m_current_spans.m_spans_starting;
auto& spans_ending = style.is_anchored() ? m_current_spans.m_anchored_spans_ending : m_current_spans.m_spans_ending;
auto starting_map = spans_starting.get(start).value_or({});
auto& starting_map = spans_starting.ensure(start);
if (!starting_map.contains(end))
m_refresh_needed = true;
starting_map.set(end, style);
spans_starting.set(start, starting_map);
auto ending_map = spans_ending.get(end).value_or({});
auto& ending_map = spans_ending.ensure(end);
if (!ending_map.contains(start))
m_refresh_needed = true;
ending_map.set(start, style);
spans_ending.set(end, ending_map);
}
void Editor::suggest(size_t invariant_offset, size_t static_offset, Span::Mode offset_mode) const
@ -2032,12 +2025,13 @@ bool Editor::Spans::contains_up_to_offset(Spans const& other, size_t offset) con
if (entry.key > offset + 1)
continue;
auto left_map = left.get(entry.key);
if (!left_map.has_value())
auto left_map_it = left.find(entry.key);
if (left_map_it == left.end())
return false;
for (auto& left_entry : left_map.value()) {
if (auto value = entry.value.get(left_entry.key); !value.has_value()) {
for (auto& left_entry : left_map_it->value) {
auto value_it = entry.value.find(left_entry.key);
if (value_it == entry.value.end()) {
// Might have the same thing with a longer span
bool found = false;
for (auto& possibly_longer_span_entry : entry.value) {
@ -2054,8 +2048,8 @@ bool Editor::Spans::contains_up_to_offset(Spans const& other, size_t offset) con
dbgln("Have: {}-{} = {}", entry.key, x.key, x.value.to_string());
}
return false;
} else if (value.value() != left_entry.value) {
dbgln_if(LINE_EDITOR_DEBUG, "Compare for {}-{} failed, different values: {} != {}", entry.key, left_entry.key, value.value().to_string(), left_entry.value.to_string());
} else if (value_it->value != left_entry.value) {
dbgln_if(LINE_EDITOR_DEBUG, "Compare for {}-{} failed, different values: {} != {}", entry.key, left_entry.key, value_it->value.to_string(), left_entry.value.to_string());
return false;
}
}