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[FileAccess] Implement get_size and get_access_time methods.

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This commit is contained in:
bruvzg
2023-10-17 10:47:58 +03:00
committed by Pāvels Nadtočajevs
parent b5bdb88062
commit 85d3be8070
25 changed files with 359 additions and 9 deletions
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72
drivers/windows/file_access_windows.cpp
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@ -453,6 +453,78 @@ uint64_t FileAccessWindows::_get_modified_time(const String &p_file) {
return 0;
}
uint64_t FileAccessWindows::_get_access_time(const String &p_file) {
if (is_path_invalid(p_file)) {
return 0;
}
String file = fix_path(p_file);
if (file.ends_with("\\") && file != "\\") {
file = file.substr(0, file.length() - 1);
}
HANDLE handle = CreateFileW((LPCWSTR)(file.utf16().get_data()), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
if (handle != INVALID_HANDLE_VALUE) {
FILETIME ft_create, ft_access;
bool status = GetFileTime(handle, &ft_create, &ft_access, nullptr);
CloseHandle(handle);
if (status) {
uint64_t ret = 0;
// If access time is invalid, fallback to creation time.
if (ft_access.dwHighDateTime == 0 && ft_access.dwLowDateTime == 0) {
ret = ft_create.dwHighDateTime;
ret <<= 32;
ret |= ft_create.dwLowDateTime;
} else {
ret = ft_access.dwHighDateTime;
ret <<= 32;
ret |= ft_access.dwLowDateTime;
}
const uint64_t WINDOWS_TICKS_PER_SECOND = 10000000;
const uint64_t TICKS_TO_UNIX_EPOCH = 116444736000000000LL;
if (ret >= TICKS_TO_UNIX_EPOCH) {
return (ret - TICKS_TO_UNIX_EPOCH) / WINDOWS_TICKS_PER_SECOND;
}
}
}
ERR_FAIL_V_MSG(0, "Failed to get access time for: " + p_file + "");
}
int64_t FileAccessWindows::_get_size(const String &p_file) {
if (is_path_invalid(p_file)) {
return 0;
}
String file = fix_path(p_file);
if (file.ends_with("\\") && file != "\\") {
file = file.substr(0, file.length() - 1);
}
DWORD file_attr = GetFileAttributesW((LPCWSTR)(file.utf16().get_data()));
HANDLE handle = CreateFileW((LPCWSTR)(file.utf16().get_data()), FILE_READ_ATTRIBUTES, FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE, nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, nullptr);
if (handle != INVALID_HANDLE_VALUE && !(file_attr & FILE_ATTRIBUTE_DIRECTORY)) {
LARGE_INTEGER fsize;
bool status = GetFileSizeEx(handle, &fsize);
CloseHandle(handle);
if (status) {
return (int64_t)fsize.QuadPart;
}
}
ERR_FAIL_V_MSG(-1, "Failed to get size for: " + p_file + "");
}
BitField<FileAccess::UnixPermissionFlags> FileAccessWindows::_get_unix_permissions(const String &p_file) {
return 0;
}