112 lines
2.7 KiB
C++
112 lines
2.7 KiB
C++
#ifndef insert_completer_hh_INCLUDED
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#define insert_completer_hh_INCLUDED
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#include "option_manager.hh"
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#include "display_buffer.hh"
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#include "vector.hh"
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#include "optional.hh"
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namespace Kakoune
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{
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struct SelectionList;
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struct Key;
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struct InsertCompleterDesc
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{
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enum Mode
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{
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Word,
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Option,
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Filename
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};
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bool operator==(const InsertCompleterDesc& other) const
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{ return mode == other.mode and param == other.param; }
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bool operator!=(const InsertCompleterDesc& other) const
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{ return not (*this == other); }
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Mode mode;
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Optional<String> param;
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};
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using InsertCompleterDescList = Vector<InsertCompleterDesc, MemoryDomain::Options>;
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String option_to_string(const InsertCompleterDesc& opt);
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void option_from_string(StringView str, InsertCompleterDesc& opt);
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template<> struct option_type_name<InsertCompleterDesc>
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{
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static constexpr StringView name() { return "completer"; }
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};
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using CompletionCandidate = std::tuple<String, String, String>;
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using CompletionList = PrefixedList<String, CompletionCandidate>;
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template<> struct option_type_name<CompletionList>
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{
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static constexpr StringView name() { return "completions"; }
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};
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struct InsertCompletion
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{
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struct Candidate
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{
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String completion;
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String docstring;
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DisplayLine menu_entry;
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bool operator==(const Candidate& other) const { return completion == other.completion; }
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bool operator<(const Candidate& other) const { return completion < other.completion; }
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};
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using CandidateList = Vector<Candidate, MemoryDomain::Completion>;
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BufferCoord begin;
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BufferCoord end;
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CandidateList candidates;
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size_t timestamp;
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bool is_valid() const { return not candidates.empty(); }
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};
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class InsertCompleter : public OptionManagerWatcher
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{
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public:
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InsertCompleter(Context& context);
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InsertCompleter(const InsertCompleter&) = delete;
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InsertCompleter& operator=(const InsertCompleter&) = delete;
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~InsertCompleter();
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void select(int offset, Vector<Key>& keystrokes);
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void update();
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void reset();
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void explicit_file_complete();
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void explicit_word_complete();
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void explicit_line_complete();
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private:
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bool setup_ifn();
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template<typename Func>
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bool try_complete(Func complete_func);
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void on_option_changed(const Option& opt) override;
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void menu_show();
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Context& m_context;
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OptionManager& m_options;
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InsertCompletion m_completions;
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int m_current_candidate = -1;
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using CompleteFunc = InsertCompletion (const SelectionList& sels, const OptionManager& options);
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CompleteFunc* m_explicit_completer = nullptr;
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};
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}
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#endif // insert_completer_hh_INCLUDED
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