nixos/nix
1
1
Fork 0
mirror of https://github.com/NixOS/nix.git synced 2025-12-14 21:11:04 +01:00
Code Activity

Improve OutputsSpec slightly

Browse source 
A few little changes preparing for the rest.
This commit is contained in:
John Ericson 2023-01-11 01:51:14 -05:00
parent a3ba80357d
commit a8f45b5e5a
7 changed files with 46 additions and 32 deletions
Download patch file Download diff file Expand all files Collapse all files

26
src/libstore/outputs-spec.hh
View file

@ -1,9 +1,8 @@
#pragma once
#include <set>
#include <variant>
#include "util.hh"
#include "nlohmann/json_fwd.hpp"
namespace nix {
@ -18,13 +17,26 @@ struct DefaultOutputs {
bool operator < (const DefaultOutputs & _) const { return false; }
};
typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> OutputsSpec;
typedef std::variant<DefaultOutputs, AllOutputs, OutputNames> _OutputsSpecRaw;
/* Parse a string of the form 'prefix^output1,...outputN' or
'prefix^*', returning the prefix and the outputs spec. */
std::pair<std::string, OutputsSpec> parseOutputsSpec(const std::string & s);
struct OutputsSpec : _OutputsSpecRaw {
using Raw = _OutputsSpecRaw;
using Raw::Raw;
std::string printOutputsSpec(const OutputsSpec & outputsSpec);
using Names = OutputNames;
using All = AllOutputs;
using Default = DefaultOutputs;
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 outputs spec. */
static std::pair<std::string, OutputsSpec> parse(std::string s);
std::string to_string() const;
};
void to_json(nlohmann::json &, const OutputsSpec &);
void from_json(const nlohmann::json &, OutputsSpec &);