forked from durs/node-activex
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathutils.cpp
More file actions
421 lines (393 loc) · 13.1 KB
/
Copy pathutils.cpp
File metadata and controls
421 lines (393 loc) · 13.1 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
//-------------------------------------------------------------------------------------------------------
// Project: NodeActiveX
// Author: Yuri Dursin
// Description: Common utilities implementations
//-------------------------------------------------------------------------------------------------------
#include "stdafx.h"
#include "disp.h"
const GUID CLSID_DispObjectImpl = { 0x9dce8520, 0x2efe, 0x48c0,{ 0xa0, 0xdc, 0x95, 0x1b, 0x29, 0x18, 0x72, 0xc0 } };
//-------------------------------------------------------------------------------------------------------
Local<String> GetWin32ErroroMessage(Isolate *isolate, HRESULT hrcode, LPCOLESTR msg, LPCOLESTR msg2, LPCOLESTR desc) {
uint16_t buf[1024], *bufptr = buf;
size_t len, buflen = (sizeof(buf) / sizeof(uint16_t)) - 1;
if (msg) {
len = wcslen(msg);
if (len > buflen) len = buflen;
if (len > 0) memcpy(bufptr, msg, len * sizeof(uint16_t));
buflen -= len;
bufptr += len;
if (buflen > 1) {
bufptr[0] = ':';
bufptr[1] = ' ';
buflen -= 2;
bufptr += 2;
}
}
if (msg2) {
len = wcslen(msg2);
if (len > buflen) len = buflen;
if (len > 0) memcpy(bufptr, msg2, len * sizeof(uint16_t));
buflen -= len;
bufptr += len;
if (buflen > 0) {
bufptr[0] = ' ';
buflen -= 1;
bufptr += 1;
}
}
if (buflen > 0) {
len = desc ? wcslen(desc) : 0;
if (len > 0) {
if (len >= buflen) len = buflen - 1;
memcpy(bufptr, desc, len * sizeof(OLECHAR));
}
else {
len = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM, 0, hrcode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPOLESTR)bufptr, (DWORD)buflen, 0);
if (len == 0) len = swprintf_s((LPOLESTR)bufptr, buflen, L"Error 0x%08X", hrcode);
}
buflen -= len;
bufptr += len;
}
bufptr[0] = 0;
return String::NewFromTwoByte(isolate, buf);
}
//-------------------------------------------------------------------------------------------------------
Local<Value> Variant2Array(Isolate *isolate, const VARIANT &v) {
if ((v.vt & VT_ARRAY) == 0) return Null(isolate);
SAFEARRAY *varr = (v.vt & VT_BYREF) != 0 ? *v.pparray : v.parray;
if (!varr || varr->cDims != 1) return Null(isolate);
LONG cnt = (LONG)varr->rgsabound[0].cElements;
Local<Array> arr = Array::New(isolate, cnt);
for (LONG i = 0; i < cnt; i++) {
CComVariant var;
if SUCCEEDED(SafeArrayGetElement(varr, &i, (VARIANT*)&var)) {
arr->Set((uint32_t)i, Variant2Value(isolate, v, true));
}
}
return arr;
}
Local<Value> Variant2Value(Isolate *isolate, const VARIANT &v, bool allow_disp) {
if ((v.vt & VT_ARRAY) != 0) return Variant2Array(isolate, v);
VARTYPE vt = (v.vt & VT_TYPEMASK);
bool by_ref = (v.vt & VT_BYREF) != 0;
switch (vt) {
case VT_NULL:
return Null(isolate);
case VT_I1:
case VT_I2:
case VT_I4:
case VT_INT:
return Int32::New(isolate, by_ref ? *v.plVal : v.lVal);
case VT_UI1:
case VT_UI2:
case VT_UI4:
case VT_UINT:
return Uint32::New(isolate, by_ref ? *v.pulVal : v.ulVal);
case VT_R4:
return Number::New(isolate, by_ref ? *v.pfltVal : v.fltVal);
case VT_R8:
return Number::New(isolate, by_ref ? *v.pdblVal : v.dblVal);
case VT_DATE:
return Date::New(isolate, by_ref ? *v.pdate : v.date);
case VT_BOOL:
return Boolean::New(isolate, (by_ref ? *v.pboolVal : v.boolVal) == VARIANT_TRUE);
case VT_DISPATCH: {
IDispatch *disp = (by_ref ? *v.ppdispVal : v.pdispVal);
if (!disp) return Null(isolate);
if (allow_disp) {
DispObjectImpl *impl;
if (disp->QueryInterface(CLSID_DispObjectImpl, (void**)&impl) == S_OK) {
return impl->obj.Get(isolate);
}
return DispObject::NodeCreate(isolate, disp, L"Dispatch", option_auto);
}
return String::NewFromUtf8(isolate, "[Dispatch]");
}
case VT_UNKNOWN: {
CComPtr<IDispatch> disp;
if (allow_disp && UnknownDispGet(((v.vt & VT_BYREF) != 0) ? *v.ppunkVal : v.punkVal, &disp)) {
return DispObject::NodeCreate(isolate, disp, L"Unknown", option_auto);
}
return String::NewFromUtf8(isolate, "[Unknown]");
}
case VT_BSTR:
return String::NewFromTwoByte(isolate, (uint16_t*)(by_ref ? *v.pbstrVal : v.bstrVal));
case VT_VARIANT:
if (v.pvarVal) return Variant2Value(isolate, *v.pvarVal, allow_disp);
}
return Undefined(isolate);
}
Local<Value> Variant2String(Isolate *isolate, const VARIANT &v) {
char buf[256] = {};
VARTYPE vt = (v.vt & VT_TYPEMASK);
bool by_ref = (v.vt & VT_BYREF) != 0;
switch (vt) {
case VT_EMPTY:
strcpy(buf, "EMPTY");
break;
case VT_NULL:
strcpy(buf, "NULL");
break;
case VT_I1:
case VT_I2:
case VT_I4:
case VT_INT:
sprintf_s(buf, "%i", (int)(by_ref ? *v.plVal : v.lVal));
break;
case VT_UI1:
case VT_UI2:
case VT_UI4:
case VT_UINT:
sprintf_s(buf, "%u", (unsigned int)(by_ref ? *v.pulVal : v.ulVal));
break;
case VT_R4:
sprintf_s(buf, "%f", (double)(by_ref ? *v.pfltVal : v.fltVal));
break;
case VT_R8:
sprintf_s(buf, "%f", (double)(by_ref ? *v.pdblVal : v.dblVal));
break;
case VT_DATE:
return Date::New(isolate, by_ref ? *v.pdate : v.date);
case VT_BOOL:
strcpy(buf, ((by_ref ? *v.pboolVal : v.boolVal) == VARIANT_TRUE) ? "true" : "false");
case VT_DISPATCH:
strcpy(buf, "[Dispatch]");
break;
case VT_UNKNOWN:
strcpy(buf, "[Unknown]");
break;
case VT_VARIANT:
if (v.pvarVal) return Variant2String(isolate, *v.pvarVal);
break;
default:
CComVariant tmp;
if (SUCCEEDED(VariantChangeType(&tmp, &v, 0, VT_BSTR)) && tmp.vt == VT_BSTR && v.bstrVal != nullptr) {
return String::NewFromTwoByte(isolate, (uint16_t*)v.bstrVal);
}
}
return String::NewFromUtf8(isolate, buf, String::kNormalString);
}
void Value2Variant(Isolate *isolate, Local<Value> &val, VARIANT &var) {
if (val.IsEmpty() || val->IsUndefined()) {
var.vt = VT_EMPTY;
}
else if (val->IsNull()) {
var.vt = VT_NULL;
}
else if (val->IsUint32()) {
var.vt = VT_UI4;
var.ulVal = val->Uint32Value();
}
else if (val->IsInt32()) {
var.vt = VT_I4;
var.lVal = val->Int32Value();
}
else if (val->IsNumber()) {
var.vt = VT_R8;
var.dblVal = val->NumberValue();
}
else if (val->IsDate()) {
var.vt = VT_DATE;
var.date = val->NumberValue();
}
else if (val->IsBoolean()) {
var.vt = VT_BOOL;
var.boolVal = val->BooleanValue() ? VARIANT_TRUE : VARIANT_FALSE;
}
else if (val->IsObject()) {
Local<Object> obj = val->ToObject();
if (!DispObject::GetValueOf(isolate, obj, var)) {
var.vt = VT_DISPATCH;
var.pdispVal = new DispObjectImpl(obj);
var.pdispVal->AddRef();
}
}
else {
String::Value str(val);
var.vt = VT_BSTR;
var.bstrVal = (str.length() > 0) ? SysAllocString((LPOLESTR)*str) : 0;
}
}
bool UnknownDispGet(IUnknown *unk, IDispatch **disp) {
if (!unk) return false;
if SUCCEEDED(unk->QueryInterface(__uuidof(IDispatch), (void**)disp)) {
return true;
}
CComPtr<IEnumVARIANT> enum_ptr;
if SUCCEEDED(unk->QueryInterface(__uuidof(IEnumVARIANT), (void**)&enum_ptr)) {
*disp = new DispEnumImpl(enum_ptr);
(*disp)->AddRef();
return true;
}
return false;
}
bool VariantDispGet(VARIANT *v, IDispatch **disp) {
if ((v->vt & VT_TYPEMASK) == VT_DISPATCH) {
*disp = ((v->vt & VT_BYREF) != 0) ? *v->ppdispVal : v->pdispVal;
if (*disp) (*disp)->AddRef();
return true;
}
if ((v->vt & VT_TYPEMASK) == VT_UNKNOWN) {
return UnknownDispGet(((v->vt & VT_BYREF) != 0) ? *v->ppunkVal : v->punkVal, disp);
}
return false;
}
//-------------------------------------------------------------------------------------------------------
// DispEnumImpl implemetation
HRESULT STDMETHODCALLTYPE DispEnumImpl::GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) {
if (cNames != 1 || !rgszNames[0]) return DISP_E_UNKNOWNNAME;
LPOLESTR name = rgszNames[0];
if (wcscmp(name, L"Next") == 0) *rgDispId = 1;
else if (wcscmp(name, L"Skip") == 0) *rgDispId = 2;
else if (wcscmp(name, L"Reset") == 0) *rgDispId = 3;
else if (wcscmp(name, L"Clone") == 0) *rgDispId = 4;
else return DISP_E_UNKNOWNNAME;
return S_OK;
}
HRESULT STDMETHODCALLTYPE DispEnumImpl::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) {
HRESULT hrcode = S_OK;
UINT argcnt = pDispParams->cArgs;
VARIANT *args = pDispParams->rgvarg;
switch (dispIdMember) {
case 1: {
CComArray arr;
ULONG fetched, celt = (argcnt > 0) ? Variant2Int(args[argcnt - 1], (ULONG)1) : 1;
if (!pVarResult || celt == 0) hrcode = E_INVALIDARG;
if SUCCEEDED(hrcode) hrcode = arr.Prepare(VT_VARIANT, celt);
if SUCCEEDED(hrcode) hrcode = ptr->Next(celt, arr.GetElement<VARIANT>(0), &fetched);
if SUCCEEDED(hrcode) {
if (fetched == 0) pVarResult->vt = VT_EMPTY;
else if (fetched == 1) {
VARIANT *v = arr.GetElement<VARIANT>(0);
*pVarResult = *v;
v->vt = VT_EMPTY;
}
else {
if (fetched < celt) hrcode = arr.Resize(fetched);
if SUCCEEDED(hrcode) arr.Detach(pVarResult);
}
}
return hrcode; }
case 2: {
if (pVarResult) pVarResult->vt = VT_EMPTY;
ULONG celt = (argcnt > 0) ? Variant2Int(args[argcnt - 1], (ULONG)1) : 1;
return ptr->Skip(celt);
}
case 3: {
if (pVarResult) pVarResult->vt = VT_EMPTY;
return ptr->Reset();
}
case 4: {
if (!pVarResult) hrcode = E_INVALIDARG;
std::auto_ptr<DispEnumImpl> disp;
if SUCCEEDED(hrcode) hrcode = ptr->Clone(&disp->ptr);
if SUCCEEDED(hrcode) {
pVarResult->vt = VT_DISPATCH;
pVarResult->pdispVal = disp.release();
pVarResult->pdispVal->AddRef();
}
return hrcode; }
}
return E_NOTIMPL;
}
//-------------------------------------------------------------------------------------------------------
// DispObjectImpl implemetation
HRESULT STDMETHODCALLTYPE DispObjectImpl::GetIDsOfNames(REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId) {
if (cNames != 1 || !rgszNames[0]) return DISP_E_UNKNOWNNAME;
std::wstring name(rgszNames[0]);
name_ptr &ptr = names[name];
if (!ptr) {
ptr.reset(new name_t(dispid_next++, name));
index.insert(index_t::value_type(ptr->dispid, ptr));
}
*rgDispId = ptr->dispid;
return S_OK;
}
HRESULT STDMETHODCALLTYPE DispObjectImpl::Invoke(DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams, VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr) {
Isolate *isolate = Isolate::GetCurrent();
Local<Object> self = obj.Get(isolate);
Local<Value> name, val, ret;
// Prepare name by member id
if (dispIdMember != DISPID_VALUE) {
index_t::const_iterator p = index.find(dispIdMember);
if (p == index.end()) return DISP_E_MEMBERNOTFOUND;
name_t &info = *p->second;
name = String::NewFromTwoByte(isolate, (uint16_t*)info.name.c_str());
}
// Set property value
if ((wFlags & DISPATCH_PROPERTYPUT) != 0) {
UINT argcnt = pDispParams->cArgs;
VARIANT *key = (argcnt > 1) ? &pDispParams->rgvarg[--argcnt] : nullptr;
if (argcnt > 0) val = Variant2Value(isolate, pDispParams->rgvarg[--argcnt], true);
else val = Undefined(isolate);
bool rcode;
// Set simple object property value
if (!key) {
if (name.IsEmpty()) return DISP_E_MEMBERNOTFOUND;
rcode = self->Set(name, val);
}
// Set object/array item value
else {
Local<Object> target;
if (name.IsEmpty()) target = self;
else {
Local<Value> obj = self->Get(name);
if (!obj.IsEmpty()) target = Local<Object>::Cast(obj);
if (target.IsEmpty()) return DISP_E_BADCALLEE;
}
LONG index = Variant2Int<LONG>(*key, -1);
if (index >= 0) rcode = target->Set((uint32_t)index, val);
else rcode = target->Set(Variant2Value(isolate, *key, false), val);
}
// Store result
if (pVarResult) {
pVarResult->vt = VT_BOOL;
pVarResult->boolVal = rcode ? VARIANT_TRUE : VARIANT_FALSE;
}
return S_OK;
}
// Prepare property item
if (name.IsEmpty()) val = self;
else val = self->Get(name);
// Call property as method
if ((wFlags & DISPATCH_METHOD) != 0) {
wFlags = 0;
NodeArguments args(isolate, pDispParams, true);
int argcnt = (int)args.items.size();
Local<Value> *argptr = (argcnt > 0) ? &args.items[0] : nullptr;
if (val->IsFunction()) {
Local<Function> func = Local<Function>::Cast(val);
if (func.IsEmpty()) return DISP_E_BADCALLEE;
ret = func->Call(self, argcnt, argptr);
}
else if (val->IsObject()) {
wFlags = DISPATCH_PROPERTYGET;
//Local<Object> target = val->ToObject();
//target->CallAsFunction(isolate->GetCurrentContext(), target, args.items.size(), &args.items[0]).ToLocal(&ret);
}
else {
ret = val;
}
}
// Get property value
if ((wFlags & DISPATCH_PROPERTYGET) != 0) {
if (pDispParams->cArgs == 1) {
Local<Object> target;
if (!val.IsEmpty()) target = Local<Object>::Cast(val);
if (target.IsEmpty()) return DISP_E_BADCALLEE;
VARIANT &key = pDispParams->rgvarg[0];
LONG index = Variant2Int<LONG>(key, -1);
if (index >= 0) ret = target->Get((uint32_t)index);
else ret = target->Get(Variant2Value(isolate, key, false));
}
else {
ret = val;
}
}
// Store result
if (pVarResult) {
Value2Variant(isolate, ret, *pVarResult);
}
return S_OK;
}
//-------------------------------------------------------------------------------------------------------