73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2014 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#include "xenia/kernel/fs/devices/stfs_container_device.h"
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#include "xenia/base/logging.h"
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#include "xenia/base/math.h"
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#include "xenia/kernel/fs/stfs.h"
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#include "xenia/kernel/fs/devices/stfs_container_entry.h"
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#include "xenia/kernel/objects/xfile.h"
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namespace xe {
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namespace kernel {
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namespace fs {
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STFSContainerDevice::STFSContainerDevice(const std::string& path,
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const std::wstring& local_path)
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: Device(path), local_path_(local_path), stfs_(nullptr) {}
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STFSContainerDevice::~STFSContainerDevice() { delete stfs_; }
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int STFSContainerDevice::Init() {
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mmap_ = MappedMemory::Open(local_path_, MappedMemory::Mode::kRead);
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if (!mmap_) {
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XELOGE("STFS container could not be mapped");
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return 1;
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}
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stfs_ = new STFS(mmap_.get());
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STFS::Error error = stfs_->Load();
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if (error != STFS::kSuccess) {
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XELOGE("STFS init failed: %d", error);
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return 1;
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}
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// stfs_->Dump();
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return 0;
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}
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std::unique_ptr<Entry> STFSContainerDevice::ResolvePath(const char* path) {
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// The filesystem will have stripped our prefix off already, so the path will
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// be in the form:
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// some\PATH.foo
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XELOGFS("STFSContainerDevice::ResolvePath(%s)", path);
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STFSEntry* stfs_entry = stfs_->root_entry();
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// Walk the path, one separator at a time.
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auto path_parts = xe::split_path(path);
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for (auto& part : path_parts) {
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stfs_entry = stfs_entry->GetChild(part.c_str());
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if (!stfs_entry) {
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// Not found.
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return nullptr;
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}
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}
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return std::make_unique<STFSContainerEntry>(this, path, mmap_.get(),
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stfs_entry);
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}
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} // namespace fs
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} // namespace kernel
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} // namespace xe
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