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------------------------------------------------------------------
--
-- Author: Alexey Melnichuk <alexeymelnichuck@gmail.com>
--
-- Copyright (C) 2013-2016 Alexey Melnichuk <alexeymelnichuck@gmail.com>
--
-- Licensed according to the included 'LICENCE' document
--
-- This file is part of lua-path library.
--
------------------------------------------------------------------
local alien = require "alien"
local autil = require "path.win32.alien.utils"
local types = require "path.win32.alien.types"
local CTYPES = types.CTYPES
local CTYPE2LUA = types.CTYPE2LUA
local DWORD = CTYPES.DWORD
local HANDLE = CTYPES.HANDLE
local FILETIME = CTYPES.FILETIME
local BOOL = "uint"
local INVALID_HANDLE = types.INVALID_HANDLE
local LPVOID = "pointer"
local LPDWORD = "ref " .. DWORD
local NULL = nil
local WIN32_FIND_DATAA = CTYPES.WIN32_FIND_DATAA
local WIN32_FIND_DATAW = CTYPES.WIN32_FIND_DATAW
local kernel32 = assert(alien.load("kernel32.dll"))
local GetCurrentDirectoryA = assert(kernel32.GetCurrentDirectoryA)
local GetCurrentDirectoryW = assert(kernel32.GetCurrentDirectoryW)
local SetCurrentDirectoryA = assert(kernel32.SetCurrentDirectoryA)
local SetCurrentDirectoryW = assert(kernel32.SetCurrentDirectoryW)
local GetTempPathA = assert(kernel32.GetTempPathA)
local GetTempPathW = assert(kernel32.GetTempPathW)
local GetFileAttributesExA = assert(kernel32.GetFileAttributesExA)
local GetFileAttributesExW = assert(kernel32.GetFileAttributesExW)
local CopyFileA = assert(kernel32.CopyFileA)
local CopyFileW = assert(kernel32.CopyFileW)
local GetLastError = assert(kernel32.GetLastError)
local FindFirstFileA = assert(kernel32.FindFirstFileA)
local FindFirstFileW = assert(kernel32.FindFirstFileW)
local FindNextFileA = assert(kernel32.FindNextFileA)
local FindNextFileW = assert(kernel32.FindNextFileW)
local FindClose_ = assert(kernel32.FindClose)
local RemoveDirectoryA = assert(kernel32.RemoveDirectoryA)
local RemoveDirectoryW = assert(kernel32.RemoveDirectoryW)
local CreateDirectoryA = assert(kernel32.CreateDirectoryA)
local CreateDirectoryW = assert(kernel32.CreateDirectoryW)
local MoveFileExA = assert(kernel32.MoveFileExA)
local MoveFileExW = assert(kernel32.MoveFileExW)
local DeleteFileA = assert(kernel32.DeleteFileA)
local DeleteFileW = assert(kernel32.DeleteFileW)
local CreateFileA = assert(kernel32.CreateFileA)
local CreateFileW = assert(kernel32.CreateFileW)
local CloseHandle_ = assert(kernel32.CloseHandle)
local SetFileTime_ = assert(kernel32.SetFileTime)
local FormatMessageA = assert(kernel32.FormatMessageA)
local FormatMessageW = assert(kernel32.FormatMessageW)
local LocalFree = assert(kernel32.LocalFree)
local DeviceIoControl_ = assert(kernel32.DeviceIoControl)
GetCurrentDirectoryA:types{abi="stdcall", ret = DWORD, DWORD, LPVOID}
GetCurrentDirectoryW:types{abi="stdcall", ret = DWORD, DWORD, LPVOID}
SetCurrentDirectoryA:types{abi="stdcall", ret = BOOL, LPVOID}
SetCurrentDirectoryW:types{abi="stdcall", ret = BOOL, LPVOID}
CopyFileA:types{abi="stdcall", ret = BOOL, LPVOID, LPVOID, BOOL}
CopyFileW:types{abi="stdcall", ret = BOOL, LPVOID, LPVOID, BOOL}
GetTempPathA:types{abi="stdcall", ret = DWORD, DWORD, LPVOID}
GetTempPathW:types{abi="stdcall", ret = DWORD, DWORD, LPVOID}
GetFileAttributesExA:types{abi="stdcall", ret = DWORD, LPVOID, "int", LPVOID}
GetFileAttributesExW:types{abi="stdcall", ret = DWORD, LPVOID, "int", LPVOID}
FindFirstFileA:types{abi="stdcall", ret = HANDLE, LPVOID, LPVOID}
FindFirstFileW:types{abi="stdcall", ret = HANDLE, LPVOID, LPVOID}
FindNextFileA:types {abi="stdcall", ret = "int", HANDLE, LPVOID }
FindNextFileW:types {abi="stdcall", ret = "int", HANDLE, LPVOID }
FindClose_:types{abi="stdcall", ret = "int", HANDLE }
RemoveDirectoryA:types{abi="stdcall", ret = BOOL, LPVOID}
RemoveDirectoryW:types{abi="stdcall", ret = BOOL, LPVOID}
CreateDirectoryA:types{abi="stdcall", ret = BOOL, LPVOID, LPVOID}
CreateDirectoryW:types{abi="stdcall", ret = BOOL, LPVOID, LPVOID}
DeleteFileA:types{abi="stdcall", ret = BOOL, LPVOID}
DeleteFileW:types{abi="stdcall", ret = BOOL, LPVOID}
MoveFileExA:types{abi="stdcall", ret = BOOL, LPVOID, LPVOID, DWORD}
MoveFileExW:types{abi="stdcall", ret = BOOL, LPVOID, LPVOID, DWORD}
CreateFileA:types {abi="stdcall", ret = HANDLE, LPVOID, DWORD, DWORD, LPVOID, DWORD, DWORD, LPVOID};
CreateFileW:types {abi="stdcall", ret = HANDLE, LPVOID, DWORD, DWORD, LPVOID, DWORD, DWORD, LPVOID};
CloseHandle_:types {abi="stdcall", ret = BOOL, HANDLE};
SetFileTime_:types {abi="stdcall", ret = BOOL, HANDLE, LPVOID, LPVOID, LPVOID};
GetLastError:types{abi="stdcall", ret = DWORD}
FormatMessageW:types{abi="stdcall", ret = DWORD, DWORD, LPVOID, DWORD, DWORD, LPVOID, DWORD, LPVOID};
FormatMessageA:types{abi="stdcall", ret = DWORD, DWORD, LPVOID, DWORD, DWORD, LPVOID, DWORD, LPVOID};
LocalFree:types{abi="stdcall", ret = LPVOID, LPVOID};
DeviceIoControl_:types{abi="stdcall", ret = BOOL, HANDLE, DWORD, LPVOID, DWORD, LPVOID, DWORD, LPDWORD, LPVOID}
local function GetCurrentDirectory(u)
local n = (u and GetCurrentDirectoryW or GetCurrentDirectoryA)(0, NULL)
if n == 0 then
local err = GetLastError()
return nil, err
end
local buf = alien.buffer(u and n*2 or n)
n = (u and GetCurrentDirectoryW or GetCurrentDirectoryA)(n, buf)
if n == 0 then
local err = GetLastError()
return nil, err
end
return buf:tostring(u and n*2 or n )
end
local function SetCurrentDirectory(u, P)
local ret
if u then ret = SetCurrentDirectoryW(P .. "\0")
else ret = SetCurrentDirectoryA(P) end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return true
end
local function GetTempPath(u)
local n = (u and GetTempPathW or GetTempPathA)(0, NULL)
if n == 0 then
local err = GetLastError()
return nil, err
end
local buf = alien.buffer(u and n*2 or n)
n = (u and GetTempPathW or GetTempPathA)(n, buf)
if n == 0 then
local err = GetLastError()
return nil, err
end
return buf:tostring(u and n*2 or n )
end
local function CopyFile(u, src, dst, flag)
local ret
if u then ret = CopyFileW(src .. "\0", dst .. "\0", flag and 1 or 0)
else ret = CopyFileA(src, dst, flag and 1 or 0) end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return true
end
local function GetFileAttributesEx(u, P)
local ret, info
if u then
info = WIN32_FIND_DATAW:new()
ret = GetFileAttributesExW(P .. "\0", 0, info())
else
info = WIN32_FIND_DATAA:new()
ret = GetFileAttributesExA(P, 0, info())
end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return info
end
local function FindClose(h)
FindClose_(autil.gc_null(h))
end
local function FindFirstFile(u, P)
local ret, fd, err
if u then
fd = WIN32_FIND_DATAW:new()
ret = FindFirstFileW(P .. "\0", fd())
else
fd = WIN32_FIND_DATAA:new()
ret = FindFirstFileA(P, fd())
end
if ret == INVALID_HANDLE then
local err = GetLastError()
return nil, err
end
ret = autil.gc_wrap(ret, FindClose_)
return ret, fd
end
local function FindNextFile(u, h, fd)
local ret
if u then ret = FindNextFileW(h.value, fd())
else ret = FindNextFileA(h.value, fd()) end
return ret
end
local function RemoveDirectory(u, src)
local ret
if u then ret = RemoveDirectoryW(src .. "\0")
else ret = RemoveDirectoryA(src) end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return true
end
local function CreateDirectory(u, src)
local ret
if u then ret = CreateDirectoryW(src .. "\0", NULL)
else ret = CreateDirectoryA(src, NULL) end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return true
end
local function MoveFileEx(u, src, dst, flag)
local ret
if u then ret = MoveFileExW(src .. "\0", dst .. "\0", flag and flag or 0)
else ret = MoveFileExA(src, dst, flag and flag or 0) end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return true
end
local function DeleteFile(u, src)
local ret
if u then ret = DeleteFileW(src .. "\0")
else ret = DeleteFileA(src) end
if ret == 0 then
local err = GetLastError()
return nil, err
end
return true
end
local function CloseHandle(h)
return CloseHandle_(autil.gc_null(h))
end
local function CreateFile(u, P, access, share, sec, mode, attr, template)
local p = P
if u then p = p .. "\0" end
local h = (u and CreateFileW or CreateFileA)(
p, access, share, sec or NULL, mode, attr, template or NULL
);
if INVALID_HANDLE == h then
local err = GetLastError()
return nil, err
end
return autil.gc_wrap(h, CloseHandle_)
end
local function newft(t)
if not t then return NULL end
local v = FILETIME:new()
v.dwLowDateTime, v.dwHighDateTime = t[1], t[2]
return v
end
local function SetFileTime(h, c, a, m)
local ctime, atime, mtime = newft(c), newft(a), newft(m)
local ret = SetFileTime_(h.value, ctime and ctime(), atime and atime(), mtime and mtime())
if ret ~= 0 then return true end
return nil, GetLastError()
end
local FORMAT_MESSAGE_ALLOCATE_BUFFER = 0x00000100
local FORMAT_MESSAGE_IGNORE_INSERTS = 0x00000200
local FORMAT_MESSAGE_FROM_STRING = 0x00000400
local FORMAT_MESSAGE_FROM_HMODULE = 0x00000800
local FORMAT_MESSAGE_FROM_SYSTEM = 0x00001000
local FORMAT_MESSAGE_ARGUMENT_ARRAY = 0x00002000
local FORMAT_MESSAGE_MAX_WIDTH_MASK = 0x000000FF
local function ErrorMessage(u, dwErr, lang)
local lpMsgBuf = alien.array(LPVOID, 1)
lang = lang or 0
local ret = (u and FormatMessageW or FormatMessageA)(
FORMAT_MESSAGE_ALLOCATE_BUFFER + FORMAT_MESSAGE_FROM_SYSTEM + FORMAT_MESSAGE_IGNORE_INSERTS,
NULL, dwErr, lang, lpMsgBuf.buffer, 0, NULL
);
if ret == 0 then
local err = GetLastError()
return "", err
end
local str = alien.tostring(lpMsgBuf[1], ret)
ret = LocalFree(lpMsgBuf[1]);
return str;
end
local function DeviceIoControl(h, code, inBuffer, inBufferSize, outBuffer, outBufferSize)
if inBuffer == nil then inBuffer, inBufferSize = NULL, 0 end
if outBuffer == nil then outBuffer, outBufferSize = NULL, 0 end
local ret, dwTmp = DeviceIoControl_(h.value, code,
inBuffer, inBufferSize, outBuffer, outBufferSize,
0, NULL
)
if ret == 0 then
local err = GetLastError()
return nil, err
end
return ret, dwTmp
end
local FILE_FLAG_NO_BUFFERING = 0x20000000
local FILE_ATTRIBUTE_NORMAL = 0x00000080
local FILE_SHARE_READ = 0x00000001
local FILE_SHARE_WRITE = 0x00000002
local OPEN_EXISTING = 3
local IOCTL_STORAGE_GET_DEVICE_NUMBER = 0x2D1080
local function DiskNumber(u, P)
local p
if u then p = "\\\0\\\0.\0\\\0" .. P .. "\0"
else p = "\\\\.\\" .. P end
-- Open partition
local hPart, err = CreateFile(u, p, 0,
FILE_SHARE_READ + FILE_SHARE_WRITE, NULL, OPEN_EXISTING,
FILE_ATTRIBUTE_NORMAL + FILE_FLAG_NO_BUFFERING, NULL
);
if not hPart then return nil, err end
local Info = CTYPES.STORAGE_DEVICE_NUMBER:new();
local Info_size = CTYPES.STORAGE_DEVICE_NUMBER.size_
local ret, dwTmp = DeviceIoControl(hPart, IOCTL_STORAGE_GET_DEVICE_NUMBER,
NULL, 0, Info(), Info_size
)
if not ret then err = dwTmp end
if dwTmp ~= Info_size then ret, err = nil, GetLastError() end
CloseHandle(hPart)
if not ret then return nil, err end
return {
Info.DeviceType,
Info.DeviceNumber,
Info.PartitionNumber,
}
end
return {
A = {
GetCurrentDirectory = function(...) return GetCurrentDirectory(false, ...) end;
SetCurrentDirectory = function(...) return SetCurrentDirectory(false, ...) end;
GetTempPath = function(...) return GetTempPath (false, ...) end;
GetFileAttributesEx = function(...) return GetFileAttributesEx(false, ...) end;
CopyFile = function(...) return CopyFile (false, ...) end;
FindFirstFile = function(...) return FindFirstFile (false, ...) end;
FindNextFile = function(...) return FindNextFile (false, ...) end;
RemoveDirectory = function(...) return RemoveDirectory (false, ...) end;
DeleteFile = function(...) return DeleteFile (false, ...) end;
CreateDirectory = function(...) return CreateDirectory (false, ...) end;
CreateFile = function(...) return CreateFile (false, ...) end;
MoveFileEx = function(...) return MoveFileEx (false, ...) end;
ErrorMessage = function(...) return ErrorMessage (false, ...) end;
DiskNumber = function(...) return DiskNumber (false, ...) end;
FindClose = FindClose;
CloseHandle = CloseHandle;
SetFileTime = SetFileTime;
DeviceIoControl = DeviceIoControl;
WIN32_FIND_DATA2TABLE = CTYPE2LUA.WIN32_FIND_DATAA;
DIR_SEP = "\\";
ANY_MASK = "*";
};
W = {
GetCurrentDirectory = function(...) return GetCurrentDirectory(true, ...) end;
SetCurrentDirectory = function(...) return SetCurrentDirectory(true, ...) end;
GetTempPath = function(...) return GetTempPath (true, ...) end;
GetFileAttributesEx = function(...) return GetFileAttributesEx(true, ...) end;
CopyFile = function(...) return CopyFile (true, ...) end;
FindFirstFile = function(...) return FindFirstFile (true, ...) end;
FindNextFile = function(...) return FindNextFile (true, ...) end;
RemoveDirectory = function(...) return RemoveDirectory (true, ...) end;
DeleteFile = function(...) return DeleteFile (true, ...) end;
CreateDirectory = function(...) return CreateDirectory (true, ...) end;
CreateFile = function(...) return CreateFile (true, ...) end;
MoveFileEx = function(...) return MoveFileEx (true, ...) end;
ErrorMessage = function(...) return ErrorMessage (true, ...) end;
DiskNumber = function(...) return DiskNumber (true, ...) end;
FindClose = FindClose;
CloseHandle = CloseHandle;
SetFileTime = SetFileTime;
DeviceIoControl = DeviceIoControl;
WIN32_FIND_DATA2TABLE = CTYPE2LUA.WIN32_FIND_DATAW;
DIR_SEP = "\\\000";
ANY_MASK = "*\000";
};
} |