1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6 
7 #include "../../include/javascript/JavaScript.h"
8 #include "../../include/javascript/JS_Define.h"
9 #include "../../include/javascript/JS_Object.h"
10 #include "../../include/javascript/JS_Value.h"
11 #include "../../include/javascript/Document.h"
12 
13 /* ---------------------------- CJS_Value ---------------------------- */
14 
CJS_Value(v8::Isolate * isolate)15 CJS_Value::CJS_Value(v8::Isolate* isolate) : m_eType(VT_unknown),m_isolate(isolate)
16 {
17 }
CJS_Value(v8::Isolate * isolate,v8::Local<v8::Value> pValue,FXJSVALUETYPE t)18 CJS_Value::CJS_Value(v8::Isolate* isolate, v8::Local<v8::Value> pValue,FXJSVALUETYPE t) :
19 	m_pValue(pValue), m_eType(t), m_isolate(isolate)
20 {
21 }
22 
CJS_Value(v8::Isolate * isolate,const int & iValue)23 CJS_Value::CJS_Value(v8::Isolate* isolate, const int &iValue):m_isolate(isolate)
24 {
25 	operator =(iValue);
26 }
27 
CJS_Value(v8::Isolate * isolate,const bool & bValue)28 CJS_Value::CJS_Value(v8::Isolate* isolate, const bool &bValue):m_isolate(isolate)
29 {
30 	operator =(bValue);
31 }
32 
CJS_Value(v8::Isolate * isolate,const float & fValue)33 CJS_Value::CJS_Value(v8::Isolate* isolate, const float &fValue):m_isolate(isolate)
34 {
35 	operator =(fValue);
36 }
37 
CJS_Value(v8::Isolate * isolate,const double & dValue)38 CJS_Value::CJS_Value(v8::Isolate* isolate, const double &dValue):m_isolate(isolate)
39 {
40 	operator =(dValue);
41 }
42 
CJS_Value(v8::Isolate * isolate,JSFXObject pJsObj)43 CJS_Value::CJS_Value(v8::Isolate* isolate, JSFXObject  pJsObj):m_isolate(isolate)
44 {
45 	operator =(pJsObj);
46 }
47 
CJS_Value(v8::Isolate * isolate,CJS_Object * pJsObj)48 CJS_Value::CJS_Value(v8::Isolate* isolate, CJS_Object* pJsObj):m_isolate(isolate)
49 {
50 	operator =(pJsObj);
51 }
52 
CJS_Value(v8::Isolate * isolate,CJS_Document * pJsDoc)53 CJS_Value::CJS_Value(v8::Isolate* isolate, CJS_Document* pJsDoc):m_isolate(isolate)
54 {
55 	m_eType = VT_object;
56 	if (pJsDoc)
57 		m_pValue = (JSFXObject)*pJsDoc;
58 }
59 
CJS_Value(v8::Isolate * isolate,FX_LPCWSTR pWstr)60 CJS_Value::CJS_Value(v8::Isolate* isolate, FX_LPCWSTR pWstr):m_isolate(isolate)
61 {
62 	operator =(pWstr);
63 }
64 
CJS_Value(v8::Isolate * isolate,FX_LPCSTR pStr)65 CJS_Value::CJS_Value(v8::Isolate* isolate, FX_LPCSTR pStr):m_isolate(isolate)
66 {
67 	operator = (pStr);
68 }
69 
CJS_Value(v8::Isolate * isolate,CJS_Array & array)70 CJS_Value::CJS_Value(v8::Isolate* isolate, CJS_Array& array):m_isolate(isolate)
71 {
72 	operator = (array);
73 }
74 
~CJS_Value()75 CJS_Value::~CJS_Value()
76 {
77 }
78 
Attach(v8::Local<v8::Value> pValue,FXJSVALUETYPE t)79 void CJS_Value::Attach(v8::Local<v8::Value> pValue,FXJSVALUETYPE t)
80 {
81 	m_pValue = pValue;
82 	m_eType = t;
83 }
84 
Attach(CJS_Value * pValue)85 void CJS_Value::Attach(CJS_Value *pValue)
86 {
87 	if (pValue)
88 		Attach(pValue->ToV8Value(), pValue->GetType());
89 }
90 
Detach()91 void CJS_Value::Detach()
92 {
93 	m_pValue = v8::Local<v8::Value>();
94 	m_eType = VT_unknown;
95 }
96 
97 /* ---------------------------------------------------------------------------------------- */
98 
ToInt() const99 int CJS_Value::ToInt() const
100 {
101 	return JS_ToInt32(m_isolate, m_pValue);
102 }
103 
ToBool() const104 bool CJS_Value::ToBool() const
105 {
106 	return JS_ToBoolean(m_isolate, m_pValue);
107 }
108 
ToDouble() const109 double CJS_Value::ToDouble() const
110 {
111 	return JS_ToNumber(m_isolate, m_pValue);
112 }
113 
ToFloat() const114 float CJS_Value::ToFloat() const
115 {
116 	return (float)ToDouble();
117 }
118 
ToCJSObject() const119 CJS_Object* CJS_Value::ToCJSObject() const
120 {
121 	v8::Local<v8::Object>	pObj = JS_ToObject(m_isolate, m_pValue);
122 	return (CJS_Object*)JS_GetPrivate(m_isolate, pObj);
123 }
124 
ToV8Object() const125 v8::Local<v8::Object> CJS_Value::ToV8Object() const
126 {
127 	return JS_ToObject(m_isolate, m_pValue);
128 }
129 
ToCFXWideString() const130 CFX_WideString CJS_Value::ToCFXWideString() const
131 {
132 	return JS_ToString(m_isolate, m_pValue);
133 }
134 
ToCFXByteString() const135 CFX_ByteString CJS_Value::ToCFXByteString() const
136 {
137 	return CFX_ByteString::FromUnicode(ToCFXWideString());
138 }
139 
ToV8Value() const140 v8::Local<v8::Value> CJS_Value::ToV8Value() const
141 {
142 	return m_pValue;
143 }
144 
ToV8Array() const145 v8::Local<v8::Array>CJS_Value::ToV8Array() const
146 {
147 	if (IsArrayObject())
148 		return v8::Local<v8::Array>::Cast(JS_ToObject(m_isolate, m_pValue));
149 	return v8::Local<v8::Array>();
150 }
151 
152 /* ---------------------------------------------------------------------------------------- */
153 
operator =(int iValue)154 void CJS_Value::operator =(int iValue)
155 {
156 	m_pValue = JS_NewNumber(m_isolate, iValue);
157 
158 	m_eType = VT_number;
159 }
160 
operator =(bool bValue)161 void CJS_Value::operator =(bool bValue)
162 {
163 	m_pValue = JS_NewBoolean(m_isolate, bValue);
164 
165 	m_eType = VT_boolean;
166 }
167 
operator =(double dValue)168 void CJS_Value::operator =(double dValue)
169 {
170 	m_pValue = JS_NewNumber(m_isolate,dValue);
171 
172 	m_eType = VT_number;
173 }
174 
operator =(float fValue)175 void CJS_Value::operator = (float fValue)
176 {
177 	m_pValue = JS_NewNumber(m_isolate,fValue);
178 	m_eType = VT_number;
179 }
180 
operator =(v8::Local<v8::Object> pObj)181 void CJS_Value::operator =(v8::Local<v8::Object> pObj)
182 {
183 
184 	m_pValue = JS_NewObject(m_isolate,pObj);
185 
186 	m_eType = VT_fxobject;
187 }
188 
operator =(CJS_Object * pObj)189 void CJS_Value::operator =(CJS_Object * pObj)
190 {
191 	if (pObj)
192 		operator = ((JSFXObject)*pObj);
193 }
194 
operator =(CJS_Document * pJsDoc)195 void CJS_Value::operator = (CJS_Document* pJsDoc)
196 {
197 	m_eType = VT_object;
198 	if (pJsDoc) {
199 		m_pValue = static_cast<JSFXObject>(*pJsDoc);
200 	}
201 }
202 
operator =(FX_LPCWSTR pWstr)203 void CJS_Value::operator =(FX_LPCWSTR pWstr)
204 {
205 	m_pValue = JS_NewString(m_isolate,(wchar_t *)pWstr);
206 
207 	m_eType = VT_string;
208 }
209 
SetNull()210 void CJS_Value::SetNull()
211 {
212 	m_pValue = JS_NewNull();
213 
214 	m_eType = VT_null;
215 }
216 
operator =(FX_LPCSTR pStr)217 void CJS_Value::operator = (FX_LPCSTR pStr)
218 {
219 	operator = (CFX_WideString::FromLocal(pStr).c_str());
220 }
221 
operator =(CJS_Array & array)222 void CJS_Value::operator = (CJS_Array & array)
223 {
224 	m_pValue = JS_NewObject2(m_isolate,(v8::Local<v8::Array>)array);
225 
226 	m_eType = VT_object;
227 }
228 
operator =(CJS_Date & date)229 void CJS_Value::operator = (CJS_Date & date)
230 {
231 	m_pValue = JS_NewDate(m_isolate, (double)date);
232 
233 	m_eType = VT_date;
234 }
235 
operator =(CJS_Value value)236 void CJS_Value::operator = (CJS_Value value)
237 {
238 	m_pValue = value.ToV8Value();
239 
240 	m_eType = value.m_eType;
241         m_isolate = value.m_isolate;
242 }
243 
244 /* ---------------------------------------------------------------------------------------- */
245 
GetType() const246 FXJSVALUETYPE CJS_Value::GetType() const
247 {
248 	if(m_pValue.IsEmpty()) return VT_unknown;
249 	if(m_pValue->IsString()) return VT_string;
250 	if(m_pValue->IsNumber()) return VT_number;
251 	if(m_pValue->IsBoolean()) return VT_boolean;
252 	if(m_pValue->IsDate()) return VT_date;
253 	if(m_pValue->IsObject()) return VT_object;
254 	if(m_pValue->IsNull()) return VT_null;
255 	if(m_pValue->IsUndefined()) return VT_undefined;
256 	return VT_unknown;
257 }
258 
IsArrayObject() const259 FX_BOOL CJS_Value::IsArrayObject() const
260 {
261 	if(m_pValue.IsEmpty()) return FALSE;
262 	return m_pValue->IsArray();
263 }
264 
IsDateObject() const265 FX_BOOL CJS_Value::IsDateObject() const
266 {
267 	if(m_pValue.IsEmpty()) return FALSE;
268 	return m_pValue->IsDate();
269 }
270 
271 //CJS_Value::operator CJS_Array()
ConvertToArray(CJS_Array & array) const272 FX_BOOL CJS_Value::ConvertToArray(CJS_Array &array) const
273 {
274 	if (IsArrayObject())
275 	{
276 		array.Attach(JS_ToArray(m_isolate, m_pValue));
277 		return TRUE;
278 	}
279 
280 	return FALSE;
281 }
282 
ConvertToDate(CJS_Date & date) const283 FX_BOOL CJS_Value::ConvertToDate(CJS_Date &date) const
284 {
285 // 	if (GetType() == VT_date)
286 // 	{
287 // 		date = (double)(*this);
288 // 		return TRUE;
289 // 	}
290 
291 	if (IsDateObject())
292 	{
293 		date.Attach(m_pValue);
294 		return TRUE;
295 	}
296 
297 	return FALSE;
298 }
299 
300 /* ---------------------------- CJS_PropValue ---------------------------- */
301 
CJS_PropValue(const CJS_Value & value)302 CJS_PropValue::CJS_PropValue(const CJS_Value &value) :
303 	CJS_Value(value),
304 	m_bIsSetting(0)
305 {
306 }
307 
CJS_PropValue(v8::Isolate * isolate)308 CJS_PropValue::CJS_PropValue(v8::Isolate* isolate) : CJS_Value(isolate),
309                                  m_bIsSetting(0)
310 {
311 }
312 
~CJS_PropValue()313 CJS_PropValue::~CJS_PropValue()
314 {
315 }
316 
IsSetting()317 FX_BOOL CJS_PropValue::IsSetting()
318 {
319 	return m_bIsSetting;
320 }
321 
IsGetting()322 FX_BOOL CJS_PropValue::IsGetting()
323 {
324 	return !m_bIsSetting;
325 }
326 
operator <<(int iValue)327 void CJS_PropValue::operator <<(int iValue)
328 {
329 	ASSERT(!m_bIsSetting);
330 	CJS_Value::operator =(iValue);
331 }
332 
operator >>(int & iValue) const333 void CJS_PropValue::operator >>(int & iValue) const
334 {
335 	ASSERT(m_bIsSetting);
336 	iValue = CJS_Value::ToInt();
337 }
338 
339 
operator <<(bool bValue)340 void CJS_PropValue::operator <<(bool bValue)
341 {
342 	ASSERT(!m_bIsSetting);
343 	CJS_Value::operator =(bValue);
344 }
345 
operator >>(bool & bValue) const346 void CJS_PropValue::operator >>(bool& bValue) const
347 {
348 	ASSERT(m_bIsSetting);
349 	bValue = CJS_Value::ToBool();
350 }
351 
operator <<(double dValue)352 void CJS_PropValue::operator <<(double dValue)
353 {
354 	ASSERT(!m_bIsSetting);
355 	CJS_Value::operator =(dValue);
356 }
357 
operator >>(double & dValue) const358 void CJS_PropValue::operator >>(double& dValue) const
359 {
360 	ASSERT(m_bIsSetting);
361 	dValue = CJS_Value::ToDouble();
362 }
363 
operator <<(CJS_Object * pObj)364 void CJS_PropValue::operator <<(CJS_Object* pObj)
365 {
366 	ASSERT(!m_bIsSetting);
367 	CJS_Value::operator = (pObj);
368 }
369 
operator >>(CJS_Object * & ppObj) const370 void CJS_PropValue::operator >>(CJS_Object*& ppObj) const
371 {
372 	ASSERT(m_bIsSetting);
373 	ppObj = CJS_Value::ToCJSObject();
374 }
375 
operator <<(CJS_Document * pJsDoc)376 void CJS_PropValue::operator <<(CJS_Document* pJsDoc)
377 {
378 	ASSERT(!m_bIsSetting);
379 	CJS_Value::operator = (pJsDoc);
380 }
381 
operator >>(CJS_Document * & ppJsDoc) const382 void CJS_PropValue::operator >>(CJS_Document*& ppJsDoc) const
383 {
384 	ASSERT(m_bIsSetting);
385 	ppJsDoc = static_cast<CJS_Document*>(CJS_Value::ToCJSObject());
386 }
387 
operator <<(JSFXObject pObj)388 void CJS_PropValue::operator<<(JSFXObject pObj)
389 {
390 	ASSERT(!m_bIsSetting);
391 	CJS_Value::operator = (pObj);
392 }
393 
operator >>(JSFXObject & ppObj) const394 void CJS_PropValue::operator>>(JSFXObject &ppObj) const
395 {
396 	ASSERT(m_bIsSetting);
397 	ppObj = CJS_Value::ToV8Object();
398 }
399 
400 
StartSetting()401 void CJS_PropValue::StartSetting()
402 {
403 	m_bIsSetting = 1;
404 }
405 
StartGetting()406 void CJS_PropValue::StartGetting()
407 {
408 	m_bIsSetting = 0;
409 }
operator <<(CFX_ByteString string)410 void CJS_PropValue::operator <<(CFX_ByteString string)
411 {
412 	ASSERT(!m_bIsSetting);
413 	CJS_Value::operator = (string.c_str());
414 }
415 
operator >>(CFX_ByteString & string) const416 void CJS_PropValue::operator >>(CFX_ByteString &string) const
417 {
418 	ASSERT(m_bIsSetting);
419 	string = CJS_Value::ToCFXByteString();
420 }
421 
operator <<(FX_LPCWSTR c_string)422 void CJS_PropValue::operator <<(FX_LPCWSTR c_string)
423 {
424 	ASSERT(!m_bIsSetting);
425 	CJS_Value::operator =(c_string);
426 }
427 
operator >>(CFX_WideString & wide_string) const428 void CJS_PropValue::operator >>(CFX_WideString &wide_string) const
429 {
430 	ASSERT(m_bIsSetting);
431 	wide_string = CJS_Value::ToCFXWideString();
432 }
433 
operator <<(CFX_WideString wide_string)434 void CJS_PropValue::operator <<(CFX_WideString wide_string)
435 {
436 	ASSERT(!m_bIsSetting);
437 	CJS_Value::operator = (wide_string.c_str());
438 }
439 
operator >>(CJS_Array & array) const440 void CJS_PropValue::operator >>(CJS_Array &array) const
441 {
442 	ASSERT(m_bIsSetting);
443 	ConvertToArray(array);
444 }
445 
operator <<(CJS_Array & array)446 void CJS_PropValue::operator <<(CJS_Array &array)
447 {
448 	ASSERT(!m_bIsSetting);
449 	CJS_Value::operator=(array);
450 }
451 
operator >>(CJS_Date & date) const452 void CJS_PropValue::operator>>(CJS_Date &date) const
453 {
454 	ASSERT(m_bIsSetting);
455 	ConvertToDate(date);
456 }
457 
operator <<(CJS_Date & date)458 void CJS_PropValue::operator<<(CJS_Date &date)
459 {
460 	ASSERT(!m_bIsSetting);
461 	CJS_Value::operator=(date);
462 }
463 
operator v8::Local<v8::Value>() const464 CJS_PropValue::operator v8::Local<v8::Value>() const
465 {
466 	return m_pValue;
467 }
468 
469 /* ======================================== CJS_Array ========================================= */
CJS_Array(v8::Isolate * isolate)470 CJS_Array::CJS_Array(v8::Isolate* isolate):m_isolate(isolate)
471 {
472 }
473 
~CJS_Array()474 CJS_Array::~CJS_Array()
475 {
476 }
477 
Attach(v8::Local<v8::Array> pArray)478 void CJS_Array::Attach(v8::Local<v8::Array> pArray)
479 {
480 	m_pArray = pArray;
481 }
482 
IsAttached()483 FX_BOOL CJS_Array::IsAttached()
484 {
485 	return FALSE;
486 }
487 
GetElement(unsigned index,CJS_Value & value)488 void CJS_Array::GetElement(unsigned index,CJS_Value &value)
489 {
490 	if (m_pArray.IsEmpty())
491 		return;
492 	v8::Local<v8::Value>  p = JS_GetArrayElement(m_isolate, m_pArray,index);
493 	value.Attach(p,VT_object);
494 }
495 
SetElement(unsigned index,CJS_Value value)496 void CJS_Array::SetElement(unsigned index,CJS_Value value)
497 {
498 	if (m_pArray.IsEmpty())
499 		m_pArray = JS_NewArray(m_isolate);
500 
501 	JS_PutArrayElement(m_isolate, m_pArray, index, value.ToV8Value(), value.GetType());
502 }
503 
GetLength()504 int CJS_Array::GetLength()
505 {
506 	if (m_pArray.IsEmpty())
507 		return 0;
508 	return JS_GetArrayLength(m_pArray);
509 }
510 
operator v8::Local<v8::Array>()511 CJS_Array:: operator v8::Local<v8::Array>()
512 {
513 	if (m_pArray.IsEmpty())
514 		m_pArray = JS_NewArray(m_isolate);
515 
516 	return m_pArray;
517 }
518 
519 /* ======================================== CJS_Date ========================================= */
520 
CJS_Date(v8::Isolate * isolate)521 CJS_Date::CJS_Date(v8::Isolate* isolate) :m_isolate(isolate)
522 {
523 }
524 
CJS_Date(v8::Isolate * isolate,double dMsec_time)525 CJS_Date::CJS_Date(v8::Isolate* isolate,double dMsec_time)
526 {
527 	m_isolate = isolate;
528 	m_pDate = JS_NewDate(isolate,dMsec_time);
529 }
530 
CJS_Date(v8::Isolate * isolate,int year,int mon,int day,int hour,int min,int sec)531 CJS_Date::CJS_Date(v8::Isolate* isolate,int year, int mon, int day,int hour, int min, int sec)
532 {
533 	m_isolate = isolate;
534 	m_pDate = JS_NewDate(isolate,MakeDate(year,mon,day,hour,min,sec,0));
535 }
536 
MakeDate(int year,int mon,int day,int hour,int min,int sec,int ms)537 double CJS_Date::MakeDate(int year, int mon, int day,int hour, int min, int sec,int ms)
538 {
539 	return JS_MakeDate(JS_MakeDay(year,mon,day), JS_MakeTime(hour,min,sec,ms));
540 }
541 
~CJS_Date()542 CJS_Date::~CJS_Date()
543 {
544 }
545 
IsValidDate()546 FX_BOOL	CJS_Date::IsValidDate()
547 {
548 	if(m_pDate.IsEmpty()) return FALSE;
549 	return !JS_PortIsNan(JS_ToNumber(m_isolate, m_pDate));
550 }
551 
Attach(v8::Local<v8::Value> pDate)552 void CJS_Date::Attach(v8::Local<v8::Value> pDate)
553 {
554 	m_pDate = pDate;
555 }
556 
GetYear()557 int CJS_Date::GetYear()
558 {
559 	if (IsValidDate())
560 		return JS_GetYearFromTime(JS_LocalTime(JS_ToNumber(m_isolate, m_pDate)));
561 
562 	return 0;
563 }
564 
SetYear(int iYear)565 void CJS_Date::SetYear(int iYear)
566 {
567 	double date = MakeDate(iYear,GetMonth(),GetDay(),GetHours(),GetMinutes(),GetSeconds(),0);
568 	JS_ValueCopy(m_pDate, JS_NewDate(m_isolate,date));
569 }
570 
GetMonth()571 int CJS_Date::GetMonth()
572 {
573 	if (IsValidDate())
574 		return JS_GetMonthFromTime(JS_LocalTime(JS_ToNumber(m_isolate, m_pDate)));
575 
576 	return 0;
577 }
578 
SetMonth(int iMonth)579 void CJS_Date::SetMonth(int iMonth)
580 {
581 
582 	double date = MakeDate(GetYear(),iMonth,GetDay(),GetHours(),GetMinutes(),GetSeconds(),0);
583 	JS_ValueCopy(m_pDate, JS_NewDate(m_isolate,date));
584 
585 }
586 
GetDay()587 int CJS_Date::GetDay()
588 {
589 	if (IsValidDate())
590 		return JS_GetDayFromTime(JS_LocalTime(JS_ToNumber(m_isolate, m_pDate)));
591 
592 	return 0;
593 }
594 
SetDay(int iDay)595 void CJS_Date::SetDay(int iDay)
596 {
597 
598 	double date = MakeDate(GetYear(),GetMonth(),iDay,GetHours(),GetMinutes(),GetSeconds(),0);
599 	JS_ValueCopy(m_pDate,JS_NewDate(m_isolate,date));
600 
601 }
602 
GetHours()603 int CJS_Date::GetHours()
604 {
605 	if (IsValidDate())
606 		return JS_GetHourFromTime(JS_LocalTime(JS_ToNumber(m_isolate, m_pDate)));
607 
608 	return 0;
609 }
610 
SetHours(int iHours)611 void CJS_Date::SetHours(int iHours)
612 {
613 	double date = MakeDate(GetYear(),GetMonth(),GetDay(),iHours,GetMinutes(),GetSeconds(),0);
614 	JS_ValueCopy(m_pDate,JS_NewDate(m_isolate,date));
615 }
616 
GetMinutes()617 int CJS_Date::GetMinutes()
618 {
619 	if (IsValidDate())
620 		return JS_GetMinFromTime(JS_LocalTime(JS_ToNumber(m_isolate, m_pDate)));
621 
622 	return 0;
623 }
624 
SetMinutes(int minutes)625 void CJS_Date::SetMinutes(int minutes)
626 {
627 	double date = MakeDate(GetYear(),GetMonth(),GetDay(),GetHours(),minutes,GetSeconds(),0);
628 	JS_ValueCopy(m_pDate,JS_NewDate(m_isolate,date));
629 }
630 
GetSeconds()631 int CJS_Date::GetSeconds()
632 {
633 	if (IsValidDate())
634 		return JS_GetSecFromTime(JS_LocalTime(JS_ToNumber(m_isolate, m_pDate)));
635 
636 	return 0;
637 }
638 
SetSeconds(int seconds)639 void CJS_Date::SetSeconds(int seconds)
640 {
641 	double date = MakeDate(GetYear(),GetMonth(),GetDay(),GetHours(),GetMinutes(),seconds,0);
642 	JS_ValueCopy(m_pDate,JS_NewDate(m_isolate,date));
643 }
644 
operator v8::Local<v8::Value>()645 CJS_Date::operator v8::Local<v8::Value>()
646 {
647 	return m_pDate;
648 }
649 
operator double() const650 CJS_Date::operator double() const
651 {
652 	if(m_pDate.IsEmpty())
653 		return 0.0;
654 	return JS_ToNumber(m_isolate, m_pDate);
655 }
656 
ToString() const657 CFX_WideString CJS_Date::ToString() const
658 {
659 	if(m_pDate.IsEmpty())
660 		return L"";
661 	return JS_ToString(m_isolate, m_pDate);
662 }
663