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Refactoring vfs to remove a lot of duplicated code.

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Progress on #294.
This commit is contained in:
Ben Vanik
2015-06-27 22:37:49 -07:00
parent 1ac19f1b08
commit 83872d8e8f
37 changed files with 877 additions and 1366 deletions
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99
src/xenia/vfs/devices/host_path_entry.cc
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@@ -17,104 +17,11 @@
namespace xe {
namespace vfs {
HostPathEntry::HostPathEntry(Device* device, const char* path,
HostPathEntry::HostPathEntry(Device* device, std::string path,
const std::wstring& local_path)
: Entry(device, path),
local_path_(local_path),
find_file_(INVALID_HANDLE_VALUE) {}
: Entry(device, path), local_path_(local_path) {}
HostPathEntry::~HostPathEntry() {
if (find_file_ != INVALID_HANDLE_VALUE) {
FindClose(find_file_);
}
}
#define COMBINE_TIME(t) (((uint64_t)t.dwHighDateTime << 32) | t.dwLowDateTime)
X_STATUS HostPathEntry::QueryInfo(X_FILE_NETWORK_OPEN_INFORMATION* out_info) {
assert_not_null(out_info);
WIN32_FILE_ATTRIBUTE_DATA data;
if (!GetFileAttributesEx(local_path_.c_str(), GetFileExInfoStandard, &data)) {
return X_STATUS_ACCESS_DENIED;
}
uint64_t file_size = ((uint64_t)data.nFileSizeHigh << 32) | data.nFileSizeLow;
out_info->creation_time = COMBINE_TIME(data.ftCreationTime);
out_info->last_access_time = COMBINE_TIME(data.ftLastAccessTime);
out_info->last_write_time = COMBINE_TIME(data.ftLastWriteTime);
out_info->change_time = COMBINE_TIME(data.ftLastWriteTime);
out_info->allocation_size = xe::round_up(file_size, 4096);
out_info->end_of_file = file_size;
out_info->attributes = (X_FILE_ATTRIBUTES)data.dwFileAttributes;
return X_STATUS_SUCCESS;
}
X_STATUS HostPathEntry::QueryDirectory(X_FILE_DIRECTORY_INFORMATION* out_info,
size_t length, const char* file_name,
bool restart) {
assert_not_null(out_info);
WIN32_FIND_DATA ffd;
HANDLE handle = find_file_;
if (restart == true && handle != INVALID_HANDLE_VALUE) {
FindClose(find_file_);
handle = find_file_ = INVALID_HANDLE_VALUE;
}
if (handle == INVALID_HANDLE_VALUE) {
std::wstring target_path = local_path_;
if (!file_name) {
target_path = xe::join_paths(target_path, L"*");
} else {
target_path = xe::join_paths(target_path, xe::to_wstring(file_name));
}
handle = find_file_ = FindFirstFile(target_path.c_str(), &ffd);
if (handle == INVALID_HANDLE_VALUE) {
if (GetLastError() == ERROR_FILE_NOT_FOUND) {
return X_STATUS_NO_SUCH_FILE;
}
return X_STATUS_UNSUCCESSFUL;
}
} else {
if (FindNextFile(handle, &ffd) == FALSE) {
FindClose(handle);
find_file_ = INVALID_HANDLE_VALUE;
return X_STATUS_NO_SUCH_FILE;
}
}
auto end = (uint8_t*)out_info + length;
size_t entry_name_length = wcslen(ffd.cFileName);
if (((uint8_t*)&out_info->file_name[0]) + entry_name_length > end) {
FindClose(handle);
find_file_ = INVALID_HANDLE_VALUE;
return X_STATUS_BUFFER_OVERFLOW;
}
uint64_t file_size = ((uint64_t)ffd.nFileSizeHigh << 32) | ffd.nFileSizeLow;
out_info->next_entry_offset = 0;
out_info->file_index = 0xCDCDCDCD;
out_info->creation_time = COMBINE_TIME(ffd.ftCreationTime);
out_info->last_access_time = COMBINE_TIME(ffd.ftLastAccessTime);
out_info->last_write_time = COMBINE_TIME(ffd.ftLastWriteTime);
out_info->change_time = COMBINE_TIME(ffd.ftLastWriteTime);
out_info->end_of_file = file_size;
out_info->allocation_size = xe::round_up(file_size, 4096);
out_info->attributes = (X_FILE_ATTRIBUTES)ffd.dwFileAttributes;
out_info->file_name_length = (uint32_t)entry_name_length;
for (size_t i = 0; i < entry_name_length; ++i) {
out_info->file_name[i] =
ffd.cFileName[i] < 256 ? (char)ffd.cFileName[i] : '?';
}
return X_STATUS_SUCCESS;
}
HostPathEntry::~HostPathEntry() = default;
X_STATUS HostPathEntry::Open(KernelState* kernel_state, Mode mode, bool async,
XFile** out_file) {