mirror of https://github.com/status-im/consul.git
100 lines
2.4 KiB
Go
100 lines
2.4 KiB
Go
// +build windows
|
|
|
|
package ole
|
|
|
|
import (
|
|
"reflect"
|
|
"syscall"
|
|
"unicode/utf8"
|
|
"unsafe"
|
|
)
|
|
|
|
var (
|
|
procRoInitialize = modcombase.NewProc("RoInitialize")
|
|
procRoActivateInstance = modcombase.NewProc("RoActivateInstance")
|
|
procRoGetActivationFactory = modcombase.NewProc("RoGetActivationFactory")
|
|
procWindowsCreateString = modcombase.NewProc("WindowsCreateString")
|
|
procWindowsDeleteString = modcombase.NewProc("WindowsDeleteString")
|
|
procWindowsGetStringRawBuffer = modcombase.NewProc("WindowsGetStringRawBuffer")
|
|
)
|
|
|
|
func RoInitialize(thread_type uint32) (err error) {
|
|
hr, _, _ := procRoInitialize.Call(uintptr(thread_type))
|
|
if hr != 0 {
|
|
err = NewError(hr)
|
|
}
|
|
return
|
|
}
|
|
|
|
func RoActivateInstance(clsid string) (ins *IInspectable, err error) {
|
|
hClsid, err := NewHString(clsid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer DeleteHString(hClsid)
|
|
|
|
hr, _, _ := procRoActivateInstance.Call(
|
|
uintptr(unsafe.Pointer(hClsid)),
|
|
uintptr(unsafe.Pointer(&ins)))
|
|
if hr != 0 {
|
|
err = NewError(hr)
|
|
}
|
|
return
|
|
}
|
|
|
|
func RoGetActivationFactory(clsid string, iid *GUID) (ins *IInspectable, err error) {
|
|
hClsid, err := NewHString(clsid)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer DeleteHString(hClsid)
|
|
|
|
hr, _, _ := procRoGetActivationFactory.Call(
|
|
uintptr(unsafe.Pointer(hClsid)),
|
|
uintptr(unsafe.Pointer(iid)),
|
|
uintptr(unsafe.Pointer(&ins)))
|
|
if hr != 0 {
|
|
err = NewError(hr)
|
|
}
|
|
return
|
|
}
|
|
|
|
// HString is handle string for pointers.
|
|
type HString uintptr
|
|
|
|
// NewHString returns a new HString for Go string.
|
|
func NewHString(s string) (hstring HString, err error) {
|
|
u16 := syscall.StringToUTF16Ptr(s)
|
|
len := uint32(utf8.RuneCountInString(s))
|
|
hr, _, _ := procWindowsCreateString.Call(
|
|
uintptr(unsafe.Pointer(u16)),
|
|
uintptr(len),
|
|
uintptr(unsafe.Pointer(&hstring)))
|
|
if hr != 0 {
|
|
err = NewError(hr)
|
|
}
|
|
return
|
|
}
|
|
|
|
// DeleteHString deletes HString.
|
|
func DeleteHString(hstring HString) (err error) {
|
|
hr, _, _ := procWindowsDeleteString.Call(uintptr(hstring))
|
|
if hr != 0 {
|
|
err = NewError(hr)
|
|
}
|
|
return
|
|
}
|
|
|
|
// String returns Go string value of HString.
|
|
func (h HString) String() string {
|
|
var u16buf uintptr
|
|
var u16len uint32
|
|
u16buf, _, _ = procWindowsGetStringRawBuffer.Call(
|
|
uintptr(h),
|
|
uintptr(unsafe.Pointer(&u16len)))
|
|
|
|
u16hdr := reflect.SliceHeader{Data: u16buf, Len: int(u16len), Cap: int(u16len)}
|
|
u16 := *(*[]uint16)(unsafe.Pointer(&u16hdr))
|
|
return syscall.UTF16ToString(u16)
|
|
}
|