Support for selecting to surrounding object begin/end with [ and ]
This commit is contained in:
Maxime Coste
parent
4fc598cd48
commit
3f7bf82cde
32
src/main.cc
32
src/main.cc
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@ -311,7 +311,7 @@ void do_deindent(Context& context)
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editor.erase();
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}
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template<bool inner>
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template<SurroundFlags flags>
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void do_select_object(Context& context)
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{
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context.input_handler().on_next_key(
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@ -319,18 +319,18 @@ void do_select_object(Context& context)
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typedef std::function<Selection (const Selection&)> Selector;
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static const std::unordered_map<Key, Selector> key_to_selector =
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{
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{ { Key::Modifiers::None, '(' }, std::bind(select_surrounding, _1, CodepointPair{ '(', ')' }, inner) },
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{ { Key::Modifiers::None, ')' }, std::bind(select_surrounding, _1, CodepointPair{ '(', ')' }, inner) },
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{ { Key::Modifiers::None, 'b' }, std::bind(select_surrounding, _1, CodepointPair{ '(', ')' }, inner) },
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{ { Key::Modifiers::None, '{' }, std::bind(select_surrounding, _1, CodepointPair{ '{', '}' }, inner) },
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{ { Key::Modifiers::None, '}' }, std::bind(select_surrounding, _1, CodepointPair{ '{', '}' }, inner) },
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{ { Key::Modifiers::None, 'B' }, std::bind(select_surrounding, _1, CodepointPair{ '{', '}' }, inner) },
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{ { Key::Modifiers::None, '[' }, std::bind(select_surrounding, _1, CodepointPair{ '[', ']' }, inner) },
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{ { Key::Modifiers::None, ']' }, std::bind(select_surrounding, _1, CodepointPair{ '[', ']' }, inner) },
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{ { Key::Modifiers::None, '<' }, std::bind(select_surrounding, _1, CodepointPair{ '<', '>' }, inner) },
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{ { Key::Modifiers::None, '>' }, std::bind(select_surrounding, _1, CodepointPair{ '<', '>' }, inner) },
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{ { Key::Modifiers::None, 'w' }, std::bind(select_whole_word<false>, _1, inner) },
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{ { Key::Modifiers::None, 'W' }, std::bind(select_whole_word<true>, _1, inner) },
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{ { Key::Modifiers::None, '(' }, std::bind(select_surrounding, _1, CodepointPair{ '(', ')' }, flags) },
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{ { Key::Modifiers::None, ')' }, std::bind(select_surrounding, _1, CodepointPair{ '(', ')' }, flags) },
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{ { Key::Modifiers::None, 'b' }, std::bind(select_surrounding, _1, CodepointPair{ '(', ')' }, flags) },
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{ { Key::Modifiers::None, '{' }, std::bind(select_surrounding, _1, CodepointPair{ '{', '}' }, flags) },
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{ { Key::Modifiers::None, '}' }, std::bind(select_surrounding, _1, CodepointPair{ '{', '}' }, flags) },
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{ { Key::Modifiers::None, 'B' }, std::bind(select_surrounding, _1, CodepointPair{ '{', '}' }, flags) },
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{ { Key::Modifiers::None, '[' }, std::bind(select_surrounding, _1, CodepointPair{ '[', ']' }, flags) },
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{ { Key::Modifiers::None, ']' }, std::bind(select_surrounding, _1, CodepointPair{ '[', ']' }, flags) },
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{ { Key::Modifiers::None, '<' }, std::bind(select_surrounding, _1, CodepointPair{ '<', '>' }, flags) },
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{ { Key::Modifiers::None, '>' }, std::bind(select_surrounding, _1, CodepointPair{ '<', '>' }, flags) },
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{ { Key::Modifiers::None, 'w' }, std::bind(select_whole_word<false>, _1, flags & SurroundFlags::Inner) },
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{ { Key::Modifiers::None, 'W' }, std::bind(select_whole_word<true>, _1, flags & SurroundFlags::Inner) },
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};
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auto it = key_to_selector.find(key);
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@ -535,8 +535,10 @@ std::unordered_map<Key, std::function<void (Context& context)>> keymap =
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{ { Key::Modifiers::None, 'u' }, repeated([](Context& context) { if (not context.editor().undo()) { context.print_status("nothing left to undo"); } }) },
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{ { Key::Modifiers::None, 'U' }, repeated([](Context& context) { if (not context.editor().redo()) { context.print_status("nothing left to redo"); } }) },
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{ { Key::Modifiers::Alt, 'i' }, do_select_object<true> },
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{ { Key::Modifiers::Alt, 'a' }, do_select_object<false> },
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{ { Key::Modifiers::Alt, 'i' }, do_select_object<SurroundFlags::ToBegin | SurroundFlags::ToEnd | SurroundFlags::Inner> },
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{ { Key::Modifiers::Alt, 'a' }, do_select_object<SurroundFlags::ToBegin | SurroundFlags::ToEnd> },
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{ { Key::Modifiers::None, ']' }, do_select_object<SurroundFlags::ToEnd> },
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{ { Key::Modifiers::None, '[' }, do_select_object<SurroundFlags::ToBegin> },
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{ { Key::Modifiers::Alt, 'w' }, repeated([](Context& context) { context.editor().select(select_to_next_word<true>); }) },
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{ { Key::Modifiers::Alt, 'e' }, repeated([](Context& context) { context.editor().select(select_to_next_word_end<true>); }) },
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@ -224,10 +224,14 @@ Selection select_matching(const Selection& selection)
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Selection select_surrounding(const Selection& selection,
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const CodepointPair& matching,
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bool inside)
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SurroundFlags flags)
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{
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const bool to_begin = flags & SurroundFlags::ToBegin;
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const bool to_end = flags & SurroundFlags::ToEnd;
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Utf8Iterator first = selection.last();
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if (to_begin)
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{
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int level = 0;
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Utf8Iterator first = selection.last();
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while (not is_begin(first))
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{
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if (first != selection.last() and *first == matching.second)
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@ -243,9 +247,13 @@ Selection select_surrounding(const Selection& selection,
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}
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if (level != 0 or *first != matching.first)
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return selection;
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}
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level = 0;
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Utf8Iterator last = first + 1;
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Utf8Iterator last = selection.last();
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if (to_end)
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{
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int level = 0;
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last = first + 1;
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while (not is_end(last))
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{
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if (*last == matching.first)
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@ -261,14 +269,16 @@ Selection select_surrounding(const Selection& selection,
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}
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if (level != 0 or *last != matching.second)
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return selection;
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}
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if (inside)
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if (flags & SurroundFlags::Inner)
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{
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if (to_begin)
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++first;
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if (first != last)
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if (to_end and first != last)
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--last;
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}
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return utf8_selection(first, last);
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return to_end ? utf8_selection(first, last) : utf8_selection(last, first);
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}
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Selection select_to(const Selection& selection,
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@ -2,7 +2,7 @@
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#define selectors_hh_INCLUDED
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#include "selection.hh"
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#include "utf8.hh"
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#include "unicode.hh"
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namespace Kakoune
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{
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@ -17,10 +17,6 @@ Selection select_to_previous_word(const Selection& selection);
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Selection select_line(const Selection& selection);
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Selection select_matching(const Selection& selection);
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using CodepointPair = std::pair<Codepoint, Codepoint>;
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Selection select_surrounding(const Selection& selection,
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const CodepointPair& matching, bool inside);
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Selection select_to(const Selection& selection,
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Codepoint c, int count, bool inclusive);
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Selection select_to_reverse(const Selection& selection,
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@ -43,6 +39,22 @@ SelectionList select_all_matches(const Selection& selection,
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SelectionList split_selection(const Selection& selection,
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const String& separator_regex);
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enum class SurroundFlags
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{
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ToBegin = 1,
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ToEnd = 2,
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Inner = 4
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};
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constexpr bool operator&(SurroundFlags lhs, SurroundFlags rhs)
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{ return (bool)((int)lhs & (int) rhs); }
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constexpr SurroundFlags operator|(SurroundFlags lhs, SurroundFlags rhs)
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{ return (SurroundFlags)((int)lhs | (int) rhs); }
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using CodepointPair = std::pair<Codepoint, Codepoint>;
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Selection select_surrounding(const Selection& selection,
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const CodepointPair& matching,
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SurroundFlags flags);
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}
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#endif // selectors_hh_INCLUDED
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