150 lines
4.3 KiB
C++
150 lines
4.3 KiB
C++
// Copyright 2018 yuzu emulator team
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <array>
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#include <string>
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#include <core/loader/loader.h>
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#include "core/file_sys/card_image.h"
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#include "core/file_sys/partition_filesystem.h"
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#include "core/file_sys/vfs_offset.h"
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namespace FileSys {
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XCI::XCI(VirtualFile file_) : file(std::move(file_)), partitions(0x4) {
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if (file->ReadObject(&header) != sizeof(GamecardHeader)) {
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status = Loader::ResultStatus::ErrorInvalidFormat;
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return;
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}
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if (header.magic != Common::MakeMagic('H', 'E', 'A', 'D')) {
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status = Loader::ResultStatus::ErrorInvalidFormat;
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return;
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}
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PartitionFilesystem main_hfs(
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std::make_shared<OffsetVfsFile>(file, header.hfs_size, header.hfs_offset));
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if (main_hfs.GetStatus() != Loader::ResultStatus::Success) {
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status = main_hfs.GetStatus();
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return;
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}
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static constexpr std::array<const char*, 0x4> partition_names = {"update", "normal", "secure",
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"logo"};
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for (XCIPartition partition :
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{XCIPartition::Update, XCIPartition::Normal, XCIPartition::Secure, XCIPartition::Logo}) {
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auto raw = main_hfs.GetFile(partition_names[static_cast<size_t>(partition)]);
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if (raw != nullptr)
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partitions[static_cast<size_t>(partition)] = std::make_shared<PartitionFilesystem>(raw);
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}
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auto result = AddNCAFromPartition(XCIPartition::Secure);
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if (result != Loader::ResultStatus::Success) {
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status = result;
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return;
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}
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result = AddNCAFromPartition(XCIPartition::Update);
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if (result != Loader::ResultStatus::Success) {
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status = result;
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return;
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}
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result = AddNCAFromPartition(XCIPartition::Normal);
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if (result != Loader::ResultStatus::Success) {
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status = result;
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return;
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}
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if (GetFormatVersion() >= 0x2) {
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result = AddNCAFromPartition(XCIPartition::Logo);
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if (result != Loader::ResultStatus::Success) {
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status = result;
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return;
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}
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}
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status = Loader::ResultStatus::Success;
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}
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Loader::ResultStatus XCI::GetStatus() const {
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return status;
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}
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VirtualDir XCI::GetPartition(XCIPartition partition) const {
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return partitions[static_cast<size_t>(partition)];
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}
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VirtualDir XCI::GetSecurePartition() const {
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return GetPartition(XCIPartition::Secure);
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}
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VirtualDir XCI::GetNormalPartition() const {
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return GetPartition(XCIPartition::Normal);
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}
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VirtualDir XCI::GetUpdatePartition() const {
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return GetPartition(XCIPartition::Update);
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}
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VirtualDir XCI::GetLogoPartition() const {
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return GetPartition(XCIPartition::Logo);
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}
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std::shared_ptr<NCA> XCI::GetNCAByType(NCAContentType type) const {
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const auto iter =
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std::find_if(ncas.begin(), ncas.end(),
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[type](const std::shared_ptr<NCA>& nca) { return nca->GetType() == type; });
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return iter == ncas.end() ? nullptr : *iter;
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}
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VirtualFile XCI::GetNCAFileByType(NCAContentType type) const {
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auto nca = GetNCAByType(type);
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if (nca != nullptr)
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return nca->GetBaseFile();
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return nullptr;
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}
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std::vector<std::shared_ptr<VfsFile>> XCI::GetFiles() const {
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return {};
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}
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std::vector<std::shared_ptr<VfsDirectory>> XCI::GetSubdirectories() const {
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return std::vector<std::shared_ptr<VfsDirectory>>();
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}
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std::string XCI::GetName() const {
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return file->GetName();
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}
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std::shared_ptr<VfsDirectory> XCI::GetParentDirectory() const {
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return file->GetContainingDirectory();
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}
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bool XCI::ReplaceFileWithSubdirectory(VirtualFile file, VirtualDir dir) {
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return false;
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}
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Loader::ResultStatus XCI::AddNCAFromPartition(XCIPartition part) {
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if (partitions[static_cast<size_t>(part)] == nullptr) {
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return Loader::ResultStatus::ErrorInvalidFormat;
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}
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for (const VirtualFile& file : partitions[static_cast<size_t>(part)]->GetFiles()) {
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if (file->GetExtension() != "nca")
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continue;
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auto nca = std::make_shared<NCA>(file);
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if (nca->GetStatus() == Loader::ResultStatus::Success)
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ncas.push_back(std::move(nca));
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}
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return Loader::ResultStatus::Success;
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}
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u8 XCI::GetFormatVersion() const {
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return GetLogoPartition() == nullptr ? 0x1 : 0x2;
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}
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} // namespace FileSys
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