lix/src/libfetchers/attrs.hh
John Ericson f4ab297b31 Ensure all headers have #pragma once and are in API docs
`///@file` makes them show up in the internal API dos. A tiny few were
missing `#pragma once`.
2023-03-31 23:19:44 -04:00

36 lines
902 B
C++

#pragma once
///@file
#include "types.hh"
#include <variant>
#include <nlohmann/json_fwd.hpp>
#include <optional>
namespace nix::fetchers {
typedef std::variant<std::string, uint64_t, Explicit<bool>> Attr;
typedef std::map<std::string, Attr> Attrs;
Attrs jsonToAttrs(const nlohmann::json & json);
nlohmann::json attrsToJSON(const Attrs & attrs);
std::optional<std::string> maybeGetStrAttr(const Attrs & attrs, const std::string & name);
std::string getStrAttr(const Attrs & attrs, const std::string & name);
std::optional<uint64_t> maybeGetIntAttr(const Attrs & attrs, const std::string & name);
uint64_t getIntAttr(const Attrs & attrs, const std::string & name);
std::optional<bool> maybeGetBoolAttr(const Attrs & attrs, const std::string & name);
bool getBoolAttr(const Attrs & attrs, const std::string & name);
std::map<std::string, std::string> attrsToQuery(const Attrs & attrs);
}