From b1247d2d0d51108c910a73891ff3116e5f032ab1 Mon Sep 17 00:00:00 2001 From: "Kali Kaneko (leap communications)" Date: Sat, 12 Jan 2019 18:39:45 +0100 Subject: [pkg] all your deps are vendored to us --- vendor/github.com/AllenDang/w32/utils.go | 201 +++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 vendor/github.com/AllenDang/w32/utils.go (limited to 'vendor/github.com/AllenDang/w32/utils.go') diff --git a/vendor/github.com/AllenDang/w32/utils.go b/vendor/github.com/AllenDang/w32/utils.go new file mode 100644 index 0000000..4fb5b6c --- /dev/null +++ b/vendor/github.com/AllenDang/w32/utils.go @@ -0,0 +1,201 @@ +// Copyright 2010-2012 The W32 Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package w32 + +import ( + "syscall" + "unicode/utf16" + "unsafe" +) + +func MakeIntResource(id uint16) *uint16 { + return (*uint16)(unsafe.Pointer(uintptr(id))) +} + +func LOWORD(dw uint32) uint16 { + return uint16(dw) +} + +func HIWORD(dw uint32) uint16 { + return uint16(dw >> 16 & 0xffff) +} + +func BoolToBOOL(value bool) BOOL { + if value { + return 1 + } + + return 0 +} + +func UTF16PtrToString(cstr *uint16) string { + if cstr != nil { + us := make([]uint16, 0, 256) + for p := uintptr(unsafe.Pointer(cstr)); ; p += 2 { + u := *(*uint16)(unsafe.Pointer(p)) + if u == 0 { + return string(utf16.Decode(us)) + } + us = append(us, u) + } + } + + return "" +} + +func ComAddRef(unknown *IUnknown) int32 { + ret, _, _ := syscall.Syscall(unknown.lpVtbl.pAddRef, 1, + uintptr(unsafe.Pointer(unknown)), + 0, + 0) + return int32(ret) +} + +func ComRelease(unknown *IUnknown) int32 { + ret, _, _ := syscall.Syscall(unknown.lpVtbl.pRelease, 1, + uintptr(unsafe.Pointer(unknown)), + 0, + 0) + return int32(ret) +} + +func ComQueryInterface(unknown *IUnknown, id *GUID) *IDispatch { + var disp *IDispatch + hr, _, _ := syscall.Syscall(unknown.lpVtbl.pQueryInterface, 3, + uintptr(unsafe.Pointer(unknown)), + uintptr(unsafe.Pointer(id)), + uintptr(unsafe.Pointer(&disp))) + if hr != 0 { + panic("Invoke QieryInterface error.") + } + return disp +} + +func ComGetIDsOfName(disp *IDispatch, names []string) []int32 { + wnames := make([]*uint16, len(names)) + dispid := make([]int32, len(names)) + for i := 0; i < len(names); i++ { + wnames[i] = syscall.StringToUTF16Ptr(names[i]) + } + hr, _, _ := syscall.Syscall6(disp.lpVtbl.pGetIDsOfNames, 6, + uintptr(unsafe.Pointer(disp)), + uintptr(unsafe.Pointer(IID_NULL)), + uintptr(unsafe.Pointer(&wnames[0])), + uintptr(len(names)), + uintptr(GetUserDefaultLCID()), + uintptr(unsafe.Pointer(&dispid[0]))) + if hr != 0 { + panic("Invoke GetIDsOfName error.") + } + return dispid +} + +func ComInvoke(disp *IDispatch, dispid int32, dispatch int16, params ...interface{}) (result *VARIANT) { + var dispparams DISPPARAMS + + if dispatch&DISPATCH_PROPERTYPUT != 0 { + dispnames := [1]int32{DISPID_PROPERTYPUT} + dispparams.RgdispidNamedArgs = uintptr(unsafe.Pointer(&dispnames[0])) + dispparams.CNamedArgs = 1 + } + var vargs []VARIANT + if len(params) > 0 { + vargs = make([]VARIANT, len(params)) + for i, v := range params { + //n := len(params)-i-1 + n := len(params) - i - 1 + VariantInit(&vargs[n]) + switch v.(type) { + case bool: + if v.(bool) { + vargs[n] = VARIANT{VT_BOOL, 0, 0, 0, 0xffff} + } else { + vargs[n] = VARIANT{VT_BOOL, 0, 0, 0, 0} + } + case *bool: + vargs[n] = VARIANT{VT_BOOL | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*bool))))} + case byte: + vargs[n] = VARIANT{VT_I1, 0, 0, 0, int64(v.(byte))} + case *byte: + vargs[n] = VARIANT{VT_I1 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*byte))))} + case int16: + vargs[n] = VARIANT{VT_I2, 0, 0, 0, int64(v.(int16))} + case *int16: + vargs[n] = VARIANT{VT_I2 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*int16))))} + case uint16: + vargs[n] = VARIANT{VT_UI2, 0, 0, 0, int64(v.(int16))} + case *uint16: + vargs[n] = VARIANT{VT_UI2 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*uint16))))} + case int, int32: + vargs[n] = VARIANT{VT_UI4, 0, 0, 0, int64(v.(int))} + case *int, *int32: + vargs[n] = VARIANT{VT_I4 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*int))))} + case uint, uint32: + vargs[n] = VARIANT{VT_UI4, 0, 0, 0, int64(v.(uint))} + case *uint, *uint32: + vargs[n] = VARIANT{VT_UI4 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*uint))))} + case int64: + vargs[n] = VARIANT{VT_I8, 0, 0, 0, v.(int64)} + case *int64: + vargs[n] = VARIANT{VT_I8 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*int64))))} + case uint64: + vargs[n] = VARIANT{VT_UI8, 0, 0, 0, int64(v.(uint64))} + case *uint64: + vargs[n] = VARIANT{VT_UI8 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*uint64))))} + case float32: + vargs[n] = VARIANT{VT_R4, 0, 0, 0, int64(v.(float32))} + case *float32: + vargs[n] = VARIANT{VT_R4 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*float32))))} + case float64: + vargs[n] = VARIANT{VT_R8, 0, 0, 0, int64(v.(float64))} + case *float64: + vargs[n] = VARIANT{VT_R8 | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*float64))))} + case string: + vargs[n] = VARIANT{VT_BSTR, 0, 0, 0, int64(uintptr(unsafe.Pointer(SysAllocString(v.(string)))))} + case *string: + vargs[n] = VARIANT{VT_BSTR | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*string))))} + case *IDispatch: + vargs[n] = VARIANT{VT_DISPATCH, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*IDispatch))))} + case **IDispatch: + vargs[n] = VARIANT{VT_DISPATCH | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(**IDispatch))))} + case nil: + vargs[n] = VARIANT{VT_NULL, 0, 0, 0, 0} + case *VARIANT: + vargs[n] = VARIANT{VT_VARIANT | VT_BYREF, 0, 0, 0, int64(uintptr(unsafe.Pointer(v.(*VARIANT))))} + default: + panic("unknown type") + } + } + dispparams.Rgvarg = uintptr(unsafe.Pointer(&vargs[0])) + dispparams.CArgs = uint32(len(params)) + } + + var ret VARIANT + var excepInfo EXCEPINFO + VariantInit(&ret) + hr, _, _ := syscall.Syscall9(disp.lpVtbl.pInvoke, 8, + uintptr(unsafe.Pointer(disp)), + uintptr(dispid), + uintptr(unsafe.Pointer(IID_NULL)), + uintptr(GetUserDefaultLCID()), + uintptr(dispatch), + uintptr(unsafe.Pointer(&dispparams)), + uintptr(unsafe.Pointer(&ret)), + uintptr(unsafe.Pointer(&excepInfo)), + 0) + if hr != 0 { + if excepInfo.BstrDescription != nil { + bs := UTF16PtrToString(excepInfo.BstrDescription) + panic(bs) + } + } + for _, varg := range vargs { + if varg.VT == VT_BSTR && varg.Val != 0 { + SysFreeString(((*int16)(unsafe.Pointer(uintptr(varg.Val))))) + } + } + result = &ret + return +} -- cgit v1.2.3