b548dd3a6f
Option lists and maps are specified using separate arguments, avoiding the need for additional escaping of their separator and reusing the existing command line spliting logic instead. As discussed on #2087, this should make it much easier to work with list options, and make the general option system feel cleaner.
87 lines
2.2 KiB
C++
87 lines
2.2 KiB
C++
#ifndef completion_hh_INCLUDED
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#define completion_hh_INCLUDED
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#include <functional>
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#include <algorithm>
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#include "units.hh"
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#include "string.hh"
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#include "vector.hh"
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#include "ranked_match.hh"
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namespace Kakoune
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{
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class Context;
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using CandidateList = Vector<String, MemoryDomain::Completion>;
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struct Completions
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{
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CandidateList candidates;
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ByteCount start;
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ByteCount end;
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bool quoted = false;
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Completions()
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: start(0), end(0) {}
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Completions(ByteCount start, ByteCount end)
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: start(start), end(end) {}
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Completions(ByteCount start, ByteCount end, CandidateList candidates, bool quoted = false)
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: candidates(std::move(candidates)), start(start), end(end), quoted{quoted} {}
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};
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enum class CompletionFlags
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{
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None = 0,
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Fast = 1 << 0,
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Start = 1 << 2,
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};
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constexpr bool with_bit_ops(Meta::Type<CompletionFlags>) { return true; }
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using Completer = std::function<Completions (const Context&, CompletionFlags,
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StringView, ByteCount)>;
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inline Completions complete_nothing(const Context&, CompletionFlags,
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StringView, ByteCount cursor_pos)
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{
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return {cursor_pos, cursor_pos};
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}
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Completions shell_complete(const Context& context, CompletionFlags,
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StringView, ByteCount cursor_pos);
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inline Completions offset_pos(Completions completion, ByteCount offset)
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{
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return { completion.start + offset, completion.end + offset,
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std::move(completion.candidates), completion.quoted };
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}
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template<typename Container>
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CandidateList complete(StringView query, ByteCount cursor_pos,
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const Container& container)
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{
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using std::begin;
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static_assert(not std::is_same<decltype(*begin(container)), String>::value,
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"complete require long lived strings, not temporaries");
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query = query.substr(0, cursor_pos);
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Vector<RankedMatch> matches;
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for (const auto& str : container)
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{
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if (RankedMatch match{str, query})
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matches.push_back(match);
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}
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std::sort(matches.begin(), matches.end());
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CandidateList res;
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for (auto& m : matches)
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res.push_back(m.candidate().str());
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return res;
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}
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}
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#endif // completion_hh_INCLUDED
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