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Slight cleanup of select_surrounding implementation

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This commit is contained in:
Maxime Coste 2017-10-28 13:28:15 +08:00
parent c8257a58a5
commit 43d470f286
2 changed files with 8 additions and 18 deletions
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22
src/selectors.cc
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@ -314,12 +314,13 @@ Optional<Iterator> find_closing(Iterator pos, Iterator end,
return {}; return {};
} }
template<typename Iterator> template<typename Container, typename Iterator>
Optional<std::pair<Iterator, Iterator>> Optional<std::pair<Iterator, Iterator>>
find_surrounding(Iterator begin, Iterator end, find_surrounding(const Container& container, Iterator pos,
Iterator pos, StringView opening, StringView closing, StringView opening, StringView closing,
ObjectFlags flags, int init_level) ObjectFlags flags, int init_level)
{ {
using std::begin; using std::end;
const bool to_begin = flags & ObjectFlags::ToBegin; const bool to_begin = flags & ObjectFlags::ToBegin;
const bool to_end = flags & ObjectFlags::ToEnd; const bool to_end = flags & ObjectFlags::ToEnd;
const bool nestable = opening != closing; const bool nestable = opening != closing;
@ -328,7 +329,7 @@ find_surrounding(Iterator begin, Iterator end,
if (to_begin and opening != *pos) if (to_begin and opening != *pos)
{ {
using RevIt = std::reverse_iterator<Iterator>; using RevIt = std::reverse_iterator<Iterator>;
auto res = find_closing(RevIt{pos+1}, RevIt{begin}, auto res = find_closing(RevIt{pos+1}, RevIt{begin(container)},
closing | reverse(), opening | reverse(), closing | reverse(), opening | reverse(),
init_level, nestable); init_level, nestable);
if (not res) if (not res)
@ -340,7 +341,7 @@ find_surrounding(Iterator begin, Iterator end,
auto last = pos; auto last = pos;
if (to_end) if (to_end)
{ {
auto res = find_closing(pos, end, opening, closing, auto res = find_closing(pos, end(container), opening, closing,
init_level, nestable); init_level, nestable);
if (not res) if (not res)
return {}; return {};
@ -359,17 +360,6 @@ find_surrounding(Iterator begin, Iterator end,
: std::pair<Iterator, Iterator>{last, first}; : std::pair<Iterator, Iterator>{last, first};
} }
template<typename Container, typename Iterator>
Optional<std::pair<Iterator, Iterator>>
find_surrounding(const Container& container, Iterator pos,
StringView opening, StringView closing,
ObjectFlags flags, int init_level)
{
using std::begin; using std::end;
return find_surrounding(begin(container), end(container), pos,
opening, closing, flags, init_level);
}
Optional<Selection> Optional<Selection>
select_surrounding(const Context& context, const Selection& selection, select_surrounding(const Context& context, const Selection& selection,
StringView opening, StringView closing, int level, StringView opening, StringView closing, int level,