Files
Xenia-Canary/src/xenia/kernel/fs/devices/stfs_container_entry.cc
2014-08-16 16:46:20 -07:00

97 lines
3.3 KiB
C++

/**
******************************************************************************
* Xenia : Xbox 360 Emulator Research Project *
******************************************************************************
* Copyright 2014 Ben Vanik. All rights reserved. *
* Released under the BSD license - see LICENSE in the root for more details. *
******************************************************************************
*/
#include <xenia/kernel/fs/devices/stfs_container_entry.h>
#include <xenia/kernel/fs/stfs.h>
#include <xenia/kernel/fs/devices/stfs_container_file.h>
using namespace xe;
using namespace xe::kernel;
using namespace xe::kernel::fs;
STFSContainerEntry::STFSContainerEntry(
Type type, Device* device, const char* path,
xe_mmap_ref mmap, STFSEntry* stfs_entry) :
stfs_entry_(stfs_entry),
stfs_entry_iterator_(stfs_entry->children.end()),
Entry(type, device, path) {
mmap_ = xe_mmap_retain(mmap);
}
STFSContainerEntry::~STFSContainerEntry() {
xe_mmap_release(mmap_);
}
X_STATUS STFSContainerEntry::QueryInfo(XFileInfo* out_info) {
assert_not_null(out_info);
out_info->creation_time = stfs_entry_->update_timestamp;
out_info->last_access_time = stfs_entry_->access_timestamp;
out_info->last_write_time = stfs_entry_->update_timestamp;
out_info->change_time = stfs_entry_->update_timestamp;
out_info->allocation_size = 4096;
out_info->file_length = stfs_entry_->size;
out_info->attributes = stfs_entry_->attributes;
return X_STATUS_SUCCESS;
}
X_STATUS STFSContainerEntry::QueryDirectory(
XDirectoryInfo* out_info, size_t length, const char* file_name, bool restart) {
assert_not_null(out_info);
if (restart && stfs_entry_iterator_ != stfs_entry_->children.end()) {
stfs_entry_iterator_ = stfs_entry_->children.end();
}
if (stfs_entry_iterator_ == stfs_entry_->children.end()) {
stfs_entry_iterator_ = stfs_entry_->children.begin();
if (stfs_entry_iterator_ == stfs_entry_->children.end()) {
return X_STATUS_UNSUCCESSFUL;
}
} else {
++stfs_entry_iterator_;
if (stfs_entry_iterator_ == stfs_entry_->children.end()) {
return X_STATUS_UNSUCCESSFUL;
}
}
auto end = (uint8_t*)out_info + length;
auto entry = *stfs_entry_iterator_;
auto entry_name = entry->name;
if (((uint8_t*)&out_info->file_name[0]) + entry_name.size() > end) {
stfs_entry_iterator_ = stfs_entry_->children.end();
return X_STATUS_UNSUCCESSFUL;
}
out_info->file_index = 0xCDCDCDCD;
out_info->creation_time = entry->update_timestamp;
out_info->last_access_time = entry->access_timestamp;
out_info->last_write_time = entry->update_timestamp;
out_info->change_time = entry->update_timestamp;
out_info->end_of_file = entry->size;
out_info->allocation_size = 4096;
out_info->attributes = entry->attributes;
out_info->file_name_length = static_cast<uint32_t>(entry_name.size());
memcpy(out_info->file_name, entry_name.c_str(), entry_name.size());
return X_STATUS_SUCCESS;
}
X_STATUS STFSContainerEntry::Open(
KernelState* kernel_state,
uint32_t desired_access, bool async,
XFile** out_file) {
*out_file = new STFSContainerFile(kernel_state, desired_access, this);
return X_STATUS_SUCCESS;
}