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MultiSelectors takes a reference to the current selection and mutate it

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This commit is contained in:
Maxime Coste 2013-12-13 09:11:48 +00:00
parent db048a0792
commit f53ba0baed
5 changed files with 29 additions and 27 deletions
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2
src/editor.cc
View File

@ -282,7 +282,7 @@ struct nothing_selected : public runtime_error
void Editor::multi_select(const MultiSelector& selector)
{
m_selections = selector(*m_buffer, std::move(m_selections));
selector(*m_buffer, m_selections);
check_invariant();
}

2
src/editor.hh
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@ -40,7 +40,7 @@ class Editor : public SafeCountable
{
public:
typedef std::function<Selection (const Buffer&, const Selection&)> Selector;
typedef std::function<SelectionList (const Buffer&, SelectionList)> MultiSelector;
typedef std::function<void (const Buffer&, SelectionList&)> MultiSelector;
Editor(Buffer& buffer);
virtual ~Editor() {}

29
src/normal.cc
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@ -497,12 +497,15 @@ void split_regex(Context& context, int)
void split_lines(Context& context, int)
{
context.editor().multi_select([](const Buffer& buffer,
SelectionList selections) {
SelectionList& selections) {
SelectionList res;
for (auto& sel : selections)
{
if (sel.first().line == sel.last().line)
return SelectionList{ sel };
{
res.push_back(std::move(sel));
continue;
}
auto min = sel.min();
auto max = sel.max();
res.push_back({min, {min.line, buffer[min.line].length()-1}});
@ -510,7 +513,7 @@ void split_lines(Context& context, int)
res.push_back({line, {line, buffer[line].length()-1}});
res.push_back({max.line, max});
}
return res;
selections = std::move(res);
});
}
@ -519,17 +522,15 @@ void join_select_spaces(Context& context, int)
Editor& editor = context.editor();
editor.select(select_whole_lines);
editor.select(select_to_eol, SelectMode::Extend);
editor.multi_select([](const Buffer& buffer, SelectionList sel)
editor.multi_select([](const Buffer& buffer, SelectionList& sel)
{
SelectionList res = select_all_matches(buffer, std::move(sel),
Regex{"(\n\\h*)+"});
select_all_matches(buffer, sel, Regex{"(\n\\h*)+"});
// remove last end of line if selected
kak_assert(std::is_sorted(res.begin(), res.end(),
kak_assert(std::is_sorted(sel.begin(), sel.end(),
[](const Selection& lhs, const Selection& rhs)
{ return lhs.min() < rhs.min(); }));
if (not res.empty() and res.back().max() == buffer.back_coord())
res.pop_back();
return res;
if (not sel.empty() and sel.back().max() == buffer.back_coord())
sel.pop_back();
});
editor.insert(" ", InsertMode::Replace);
}
@ -573,7 +574,7 @@ void indent(Context& context, int)
Editor& editor = context.editor();
DynamicSelectionList sels{editor.buffer(), editor.selections()};
auto restore_sels = on_scope_end([&]{ editor.select((SelectionList)std::move(sels)); });
editor.multi_select([&indent](const Buffer& buf, SelectionList selections) {
editor.multi_select([&indent](const Buffer& buf, SelectionList& selections) {
SelectionList res;
for (auto& sel : selections)
{
@ -583,7 +584,7 @@ void indent(Context& context, int)
res.emplace_back(line, line);
}
}
return res;
selections = std::move(res);
});
editor.insert(indent, InsertMode::Insert);
}
@ -600,7 +601,7 @@ void deindent(Context& context, int)
DynamicSelectionList sels{editor.buffer(), editor.selections()};
auto restore_sels = on_scope_end([&]{ editor.select((SelectionList)std::move(sels)); });
editor.multi_select([indent_width,tabstop](const Buffer& buf, SelectionList selections) {
editor.multi_select([indent_width,tabstop](const Buffer& buf, SelectionList& selections) {
SelectionList res;
for (auto& sel : selections)
{
@ -629,7 +630,7 @@ void deindent(Context& context, int)
}
}
}
return res;
selections = std::move(res);
});
editor.erase();
}

14
src/selectors.cc
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@ -597,8 +597,8 @@ Selection select_whole_buffer(const Buffer& buffer, const Selection&)
return Selection({0,0}, buffer.back_coord());
}
SelectionList select_all_matches(const Buffer& buffer, SelectionList selections,
const Regex& regex)
void select_all_matches(const Buffer& buffer, SelectionList& selections,
const Regex& regex)
{
SelectionList result;
for (auto& sel : selections)
@ -624,11 +624,13 @@ SelectionList select_all_matches(const Buffer& buffer, SelectionList selections,
std::move(captures));
}
}
return result;
if (result.empty())
throw runtime_error("nothing selected");
selections = std::move(result);
}
SelectionList split_selection(const Buffer& buffer, SelectionList selections,
const Regex& regex)
void split_selection(const Buffer& buffer, SelectionList& selections,
const Regex& regex)
{
SelectionList result;
for (auto& sel : selections)
@ -648,7 +650,7 @@ SelectionList split_selection(const Buffer& buffer, SelectionList selections,
}
result.emplace_back(begin.coord(), sel.max());
}
return result;
selections = std::move(result);
}
}

9
src/selectors.hh
View File

@ -88,7 +88,7 @@ bool find_match_in_buffer(const Buffer& buffer, const BufferIterator pos,
}
template<Direction direction, SelectMode mode>
SelectionList select_next_match(const Buffer& buffer, SelectionList selections,
void select_next_match(const Buffer& buffer, SelectionList& selections,
const Regex& regex)
{
auto& sel = selections.main();
@ -115,7 +115,7 @@ SelectionList select_next_match(const Buffer& buffer, SelectionList selections,
Selection res{begin.coord(), end.coord(), std::move(captures)};
if (mode == SelectMode::Replace)
return SelectionList{ std::move(res) };
selections = SelectionList{ std::move(res) };
else if (mode == SelectMode::ReplaceMain)
sel = std::move(res);
else if (mode == SelectMode::Append)
@ -124,13 +124,12 @@ SelectionList select_next_match(const Buffer& buffer, SelectionList selections,
selections.set_main_index(selections.size() - 1);
}
selections.sort_and_merge_overlapping();
return selections;
}
SelectionList select_all_matches(const Buffer& buffer, SelectionList selection,
void select_all_matches(const Buffer& buffer, SelectionList& selection,
const Regex& regex);
SelectionList split_selection(const Buffer& buffer, SelectionList selection,
void split_selection(const Buffer& buffer, SelectionList& selection,
const Regex& separator_regex);
using CodepointPair = std::pair<Codepoint, Codepoint>;