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#pragma once
#include "types.hh"
#include <variant>
#include <nlohmann/json_fwd.hpp>
namespace nix::fetchers {
/* Wrap bools to prevent string literals (i.e. 'char *') from being
cast to a bool in Attr. */
template<typename T>
struct Explicit {
T t;
bool operator ==(const Explicit<T> & other) const
{
return t == other.t;
}
};
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);
}
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