89 lines
2.7 KiB
C++
89 lines
2.7 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 2013 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/vfs/devices/host_path_device.h"
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#include "xenia/base/filesystem.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/xfile.h"
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#include "xenia/vfs/devices/host_path_entry.h"
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namespace xe {
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namespace vfs {
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HostPathDevice::HostPathDevice(const std::string& mount_path,
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const std::wstring& local_path, bool read_only)
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: Device(mount_path), local_path_(local_path), read_only_(read_only) {}
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HostPathDevice::~HostPathDevice() = default;
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bool HostPathDevice::Initialize() {
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if (!xe::filesystem::PathExists(local_path_)) {
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if (!read_only_) {
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// Create the path.
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xe::filesystem::CreateFolder(local_path_);
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} else {
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XELOGE("Host path does not exist");
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return false;
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}
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}
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auto root_entry = new HostPathEntry(this, nullptr, "", local_path_);
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root_entry->attributes_ = kFileAttributeDirectory;
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root_entry_ = std::unique_ptr<Entry>(root_entry);
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PopulateEntry(root_entry);
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return true;
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}
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void HostPathDevice::Dump(StringBuffer* string_buffer) {
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auto global_lock = global_critical_region_.Acquire();
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root_entry_->Dump(string_buffer, 0);
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}
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Entry* HostPathDevice::ResolvePath(const std::string& 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("HostPathDevice::ResolvePath(%s)", path.c_str());
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// Walk the path, one separator at a time.
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auto entry = root_entry_.get();
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auto path_parts = xe::split_path(path);
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for (auto& part : path_parts) {
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entry = entry->GetChild(part);
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if (!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 entry;
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}
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void HostPathDevice::PopulateEntry(HostPathEntry* parent_entry) {
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auto child_infos = xe::filesystem::ListFiles(parent_entry->local_path());
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for (auto& child_info : child_infos) {
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auto child = HostPathEntry::Create(
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this, parent_entry,
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xe::join_paths(parent_entry->local_path(), child_info.name),
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child_info);
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parent_entry->children_.push_back(std::unique_ptr<Entry>(child));
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if (child_info.type == xe::filesystem::FileInfo::Type::kDirectory) {
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PopulateEntry(child);
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}
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}
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}
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} // namespace vfs
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} // namespace xe
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