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submission_package: Invert conditionals within NSP's constructor to reduce nesting

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We can use early continues here to reduce the amount of nesting.
This commit is contained in:
Lioncash 2018-10-03 01:11:12 -04:00
parent bc679c9b8c
commit 0d83f8f255
1 changed files with 49 additions and 45 deletions
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94
src/core/file_sys/submission_package.cpp
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@ -45,62 +45,66 @@ NSP::NSP(VirtualFile file_)
Core::Crypto::KeyManager keys;
for (const auto& ticket_file : files) {
if (ticket_file->GetExtension() == "tik") {
if (ticket_file == nullptr ||
ticket_file->GetSize() <
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
continue;
}
Core::Crypto::Key128 key{};
ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
std::string_view name_only(ticket_file->GetName());
name_only.remove_suffix(4);
const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
u128 rights_id;
std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
if (ticket_file->GetExtension() != "tik") {
continue;
}
if (ticket_file == nullptr ||
ticket_file->GetSize() <
Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET + sizeof(Core::Crypto::Key128)) {
continue;
}
Core::Crypto::Key128 key{};
ticket_file->Read(key.data(), key.size(), Core::Crypto::TICKET_FILE_TITLEKEY_OFFSET);
std::string_view name_only(ticket_file->GetName());
name_only.remove_suffix(4);
const auto rights_id_raw = Common::HexStringToArray<16>(name_only);
u128 rights_id;
std::memcpy(rights_id.data(), rights_id_raw.data(), sizeof(u128));
keys.SetKey(Core::Crypto::S128KeyType::Titlekey, key, rights_id[1], rights_id[0]);
}
for (const auto& outer_file : files) {
if (outer_file->GetName().substr(outer_file->GetName().size() - 9) == ".cnmt.nca") {
const auto nca = std::make_shared<NCA>(outer_file);
if (nca->GetStatus() != Loader::ResultStatus::Success) {
program_status[nca->GetTitleId()] = nca->GetStatus();
if (outer_file->GetName().substr(outer_file->GetName().size() - 9) != ".cnmt.nca") {
continue;
}
const auto nca = std::make_shared<NCA>(outer_file);
if (nca->GetStatus() != Loader::ResultStatus::Success) {
program_status[nca->GetTitleId()] = nca->GetStatus();
continue;
}
const auto section0 = nca->GetSubdirectories()[0];
for (const auto& inner_file : section0->GetFiles()) {
if (inner_file->GetExtension() != "cnmt")
continue;
}
const auto section0 = nca->GetSubdirectories()[0];
const CNMT cnmt(inner_file);
auto& ncas_title = ncas[cnmt.GetTitleID()];
for (const auto& inner_file : section0->GetFiles()) {
if (inner_file->GetExtension() != "cnmt")
ncas_title[ContentRecordType::Meta] = nca;
for (const auto& rec : cnmt.GetContentRecords()) {
const auto id_string = Common::HexArrayToString(rec.nca_id, false);
const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
if (next_file == nullptr) {
LOG_WARNING(Service_FS,
"NCA with ID {}.nca is listed in content metadata, but cannot "
"be found in PFS. NSP appears to be corrupted.",
id_string);
continue;
const CNMT cnmt(inner_file);
auto& ncas_title = ncas[cnmt.GetTitleID()];
ncas_title[ContentRecordType::Meta] = nca;
for (const auto& rec : cnmt.GetContentRecords()) {
const auto id_string = Common::HexArrayToString(rec.nca_id, false);
const auto next_file = pfs->GetFile(fmt::format("{}.nca", id_string));
if (next_file == nullptr) {
LOG_WARNING(Service_FS,
"NCA with ID {}.nca is listed in content metadata, but cannot "
"be found in PFS. NSP appears to be corrupted.",
id_string);
continue;
}
auto next_nca = std::make_shared<NCA>(next_file);
if (next_nca->GetType() == NCAContentType::Program)
program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
if (next_nca->GetStatus() == Loader::ResultStatus::Success)
ncas_title[rec.type] = std::move(next_nca);
}
break;
auto next_nca = std::make_shared<NCA>(next_file);
if (next_nca->GetType() == NCAContentType::Program)
program_status[cnmt.GetTitleID()] = next_nca->GetStatus();
if (next_nca->GetStatus() == Loader::ResultStatus::Success)
ncas_title[rec.type] = std::move(next_nca);
}
break;
}
}
}