lix/src/libstore/derived-path.cc
2021-04-05 10:33:28 -04:00

77 lines
2.2 KiB
C++

#include "derived-path.hh"
#include "store-api.hh"
#include <nlohmann/json.hpp>
namespace nix {
nlohmann::json DerivedPath::Opaque::toJSON(ref<Store> store) const {
nlohmann::json res;
res["path"] = store->printStorePath(path);
return res;
}
nlohmann::json DerivedPathWithHints::Built::toJSON(ref<Store> store) const {
nlohmann::json res;
res["drvPath"] = store->printStorePath(drvPath);
for (const auto& [output, path] : outputs) {
res["outputs"][output] = path ? store->printStorePath(*path) : "";
}
return res;
}
nlohmann::json derivedPathsWithHintsToJSON(const DerivedPathsWithHints & buildables, ref<Store> store) {
auto res = nlohmann::json::array();
for (const DerivedPathWithHints & buildable : buildables) {
std::visit([&res, store](const auto & buildable) {
res.push_back(buildable.toJSON(store));
}, buildable.raw());
}
return res;
}
std::string DerivedPath::Opaque::to_string(const Store & store) const {
return store.printStorePath(path);
}
std::string DerivedPath::Built::to_string(const Store & store) const {
return store.printStorePath(drvPath)
+ "!"
+ (outputs.empty() ? std::string { "*" } : concatStringsSep(",", outputs));
}
std::string DerivedPath::to_string(const Store & store) const
{
return std::visit(
[&](const auto & req) { return req.to_string(store); },
this->raw());
}
DerivedPath::Opaque DerivedPath::Opaque::parse(const Store & store, std::string_view s)
{
return {store.parseStorePath(s)};
}
DerivedPath::Built DerivedPath::Built::parse(const Store & store, std::string_view s)
{
size_t n = s.find("!");
assert(n != s.npos);
auto drvPath = store.parseStorePath(s.substr(0, n));
auto outputsS = s.substr(n + 1);
std::set<string> outputs;
if (outputsS != "*")
outputs = tokenizeString<std::set<string>>(outputsS);
return {drvPath, outputs};
}
DerivedPath DerivedPath::parse(const Store & store, std::string_view s)
{
size_t n = s.find("!");
return n == s.npos
? (DerivedPath) DerivedPath::Opaque::parse(store, s)
: (DerivedPath) DerivedPath::Built::parse(store, s);
}
}