Yuni::IO::NodeType TypeOf(const AnyString& filename)
{
if (filename.empty())
return Yuni::IO::typeUnknown;
# ifdef YUNI_OS_WINDOWS
const char* p = filename.c_str();
unsigned int len = filename.size();
if (p[len - 1] == '\\' or p[len - 1] == '/')
{
if (!--len)
{
# ifdef YUNI_OS_WINDOWS
return Yuni::IO::typeUnknown;
# else
// On Unixes, `/` is a valid folder
return Yuni::IO::typeFolder;
# endif
}
}
// Driver letters
if (len == 2 and p[1] == ':')
return Yuni::IO::typeFolder;
String norm;
Yuni::IO::Normalize(norm, AnyString(p, len));
// Conversion into wchar_t
Private::WString<true> wstr(norm);
if (wstr.empty())
return Yuni::IO::typeUnknown;
WIN32_FILE_ATTRIBUTE_DATA infoFile;
if (!GetFileAttributesExW(wstr.c_str(), GetFileExInfoStandard, &infoFile))
return Yuni::IO::typeUnknown;
return ((infoFile.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0)
? Yuni::IO::typeFolder
: Yuni::IO::typeFile;
# else // WINDOWS
struct stat s;
if (stat(filename.c_str(), &s) != 0)
return Yuni::IO::typeUnknown;
return (S_ISDIR(s.st_mode))
? Yuni::IO::typeFolder
: Yuni::IO::typeFile;
# endif
}
bool Size(const AnyString& filename, uint64& value)
{
uint len = filename.size();
if (!len)
{
value = 0u;
return false;
}
const char* const p = filename.c_str();
if (p[len - 1] == '\\' or p[len - 1] == '/')
--len;
// Driver letters
if (len == 2 and p[1] == ':')
{
value = 0u;
return true;
}
String norm;
Yuni::IO::Normalize(norm, AnyString(p, len));
// Conversion into wchar_t
WString wstr(norm, true);
if (wstr.empty())
{
value = 0u;
return false;
}
HANDLE hndl = CreateFileW(wstr.c_str(), 0, FILE_SHARE_READ, NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (hndl == INVALID_HANDLE_VALUE)
{
value = 0u;
return false;
}
LARGE_INTEGER v;
if (!GetFileSizeEx(hndl, &v))
{
CloseHandle(hndl);
value = 0u;
return false;
}
value = (uint64) v.QuadPart;
CloseHandle(hndl);
return true;
}
Yuni::IO::Error Delete(const AnyString& filename)
{
// DeleteFile is actually a macro and will be replaced by DeleteFileW
// with Visual Studio. Consequently we can not use the word DeleteFile.....
if (filename.empty())
return Yuni::IO::errUnknown;
# ifndef YUNI_OS_WINDOWS
return (unlink(filename.c_str()))
? Yuni::IO::errUnknown
: Yuni::IO::errNone;
# else
const char* const p = filename.c_str();
uint len = filename.size();
if (p[len - 1] == '\\' or p[len - 1] == '/')
--len;
// Driver letters
if (len == 2 and p[1] == ':')
return Yuni::IO::errBadFilename;
String norm;
Yuni::IO::Normalize(norm, AnyString(p, len));
// Conversion into wchar_t
WString wstr(norm, true);
if (wstr.empty())
return Yuni::IO::errUnknown;
wstr.replace('/', '\\');
return (DeleteFileW(wstr.c_str()))
? Yuni::IO::errNone
: Yuni::IO::errUnknown;
# endif
}
