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Fix behaviour of extending to next match when wrapping

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If the search wraps to get to next match, drop that selection when
extending.
This commit is contained in:
Maxime Coste 2018-05-19 14:02:11 +10:00
parent 60aef5e16d
commit 243cfbc4ae
1 changed files with 43 additions and 13 deletions
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56
src/normal.cc
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@ -804,6 +804,45 @@ void regex_prompt(Context& context, String prompt, String default_regex, T func)
});
}
template<MatchDirection direction>
void select_next_matches(Context& context, const Regex& regex, int count)
{
auto& selections = context.selections();
do {
bool wrapped = false;
for (auto& sel : selections)
sel = keep_direction(find_next_match<direction>(context, sel, regex, wrapped), sel);
selections.sort_and_merge_overlapping();
} while (--count > 0);
}
template<MatchDirection direction>
void extend_to_next_matches(Context& context, const Regex& regex, int count)
{
Vector<Selection> new_sels;
auto& selections = context.selections();
do {
bool wrapped = false;
size_t main_index = selections.main_index();
for (auto& sel : selections)
{
auto new_sel = find_next_match<direction>(context, sel, regex, wrapped);
if (not wrapped)
{
new_sels.push_back(sel);
merge_selections(new_sels.back(), new_sel);
}
else if (new_sels.size() <= main_index)
--main_index;
}
if (new_sels.empty())
throw runtime_error{"All selections wrapped"};
selections.set(std::move(new_sels), main_index);
new_sels.clear();
} while (--count > 0);
}
template<SelectMode mode, MatchDirection direction>
void search(Context& context, NormalParams params)
{
@ -831,19 +870,10 @@ void search(Context& context, NormalParams params)
if (regex.empty() or regex.str().empty())
return;
int c = count;
auto& selections = context.selections();
do {
bool wrapped = false;
for (auto& sel : selections)
{
if (mode == SelectMode::Replace)
sel = keep_direction(find_next_match<direction>(context, sel, regex, wrapped), sel);
if (mode == SelectMode::Extend)
merge_selections(sel, find_next_match<direction>(context, sel, regex, wrapped));
}
selections.sort_and_merge_overlapping();
} while (--c > 0);
if (mode == SelectMode::Extend)
extend_to_next_matches<direction>(context, regex, count);
else
select_next_matches<direction>(context, regex, count);
});
}