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#pragma once
#include <optional>
#include <set>
#include <variant>
#include "nlohmann/json_fwd.hpp"
namespace nix {
typedef std::set<std::string> OutputNames;
struct AllOutputs {
bool operator < (const AllOutputs & _) const { return false; }
};
typedef std::variant<AllOutputs, OutputNames> _OutputsSpecRaw;
struct OutputsSpec : _OutputsSpecRaw {
using Raw = _OutputsSpecRaw;
using Raw::Raw;
using Names = OutputNames;
using All = AllOutputs;
inline const Raw & raw() const {
return static_cast<const Raw &>(*this);
}
inline Raw & raw() {
return static_cast<Raw &>(*this);
}
bool contains(const std::string & output) const;
/* Modify the receiver outputs spec so it is the union of it's old value
and the argument. Return whether the output spec needed to be modified
--- if it didn't it was already "large enough". */
bool merge(const OutputsSpec & outputs);
/* Parse a string of the form 'output1,...outputN' or
'*', returning the outputs spec. */
static OutputsSpec parse(std::string_view s);
static std::optional<OutputsSpec> parseOpt(std::string_view s);
std::string to_string() const;
};
struct DefaultOutputs {
bool operator < (const DefaultOutputs & _) const { return false; }
};
typedef std::variant<DefaultOutputs, OutputsSpec> _ExtendedOutputsSpecRaw;
struct ExtendedOutputsSpec : _ExtendedOutputsSpecRaw {
using Raw = _ExtendedOutputsSpecRaw;
using Raw::Raw;
using Default = DefaultOutputs;
using Explicit = OutputsSpec;
inline const Raw & raw() const {
return static_cast<const Raw &>(*this);
}
/* Parse a string of the form 'prefix^output1,...outputN' or
'prefix^*', returning the prefix and the extended outputs spec. */
static std::pair<std::string_view, ExtendedOutputsSpec> parse(std::string_view s);
std::string to_string() const;
};
void to_json(nlohmann::json &, const OutputsSpec &);
void from_json(const nlohmann::json &, OutputsSpec &);
void to_json(nlohmann::json &, const ExtendedOutputsSpec &);
void from_json(const nlohmann::json &, ExtendedOutputsSpec &);
}
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