| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #include "fpdfsdk/javascript/JS_Value.h" |
| |
| #include <time.h> |
| |
| #include <algorithm> |
| #include <cmath> |
| #include <limits> |
| #include <vector> |
| |
| #include "fpdfsdk/javascript/Document.h" |
| #include "fpdfsdk/javascript/JS_Define.h" |
| #include "fpdfsdk/javascript/JS_Object.h" |
| |
| namespace { |
| |
| double |
| MakeDate(int year, int mon, int day, int hour, int min, int sec, int ms) { |
| return JS_MakeDate(JS_MakeDay(year, mon, day), |
| JS_MakeTime(hour, min, sec, ms)); |
| } |
| |
| double GetLocalTZA() { |
| if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) |
| return 0; |
| time_t t = 0; |
| time(&t); |
| localtime(&t); |
| #if _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
| // In gcc 'timezone' is a global variable declared in time.h. In VC++, that |
| // variable was removed in VC++ 2015, with _get_timezone replacing it. |
| long timezone = 0; |
| _get_timezone(&timezone); |
| #endif // _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_ |
| return (double)(-(timezone * 1000)); |
| } |
| |
| int GetDaylightSavingTA(double d) { |
| if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) |
| return 0; |
| time_t t = (time_t)(d / 1000); |
| struct tm* tmp = localtime(&t); |
| if (!tmp) |
| return 0; |
| if (tmp->tm_isdst > 0) |
| // One hour. |
| return (int)60 * 60 * 1000; |
| return 0; |
| } |
| |
| double Mod(double x, double y) { |
| double r = fmod(x, y); |
| if (r < 0) |
| r += y; |
| return r; |
| } |
| |
| bool IsLeapYear(int year) { |
| return (year % 4 == 0) && ((year % 100 != 0) || (year % 400 != 0)); |
| } |
| |
| int DayFromYear(int y) { |
| return (int)(365 * (y - 1970.0) + floor((y - 1969.0) / 4) - |
| floor((y - 1901.0) / 100) + floor((y - 1601.0) / 400)); |
| } |
| |
| double TimeFromYear(int y) { |
| return 86400000.0 * DayFromYear(y); |
| } |
| |
| static const uint16_t daysMonth[12] = {0, 31, 59, 90, 120, 151, |
| 181, 212, 243, 273, 304, 334}; |
| static const uint16_t leapDaysMonth[12] = {0, 31, 60, 91, 121, 152, |
| 182, 213, 244, 274, 305, 335}; |
| |
| double TimeFromYearMonth(int y, int m) { |
| const uint16_t* pMonth = IsLeapYear(y) ? leapDaysMonth : daysMonth; |
| return TimeFromYear(y) + ((double)pMonth[m]) * 86400000; |
| } |
| |
| int Day(double t) { |
| return static_cast<int>(floor(t / 86400000.0)); |
| } |
| |
| int YearFromTime(double t) { |
| // estimate the time. |
| int y = 1970 + static_cast<int>(t / (365.2425 * 86400000.0)); |
| if (TimeFromYear(y) <= t) { |
| while (TimeFromYear(y + 1) <= t) |
| y++; |
| } else { |
| while (TimeFromYear(y) > t) |
| y--; |
| } |
| return y; |
| } |
| |
| int DayWithinYear(double t) { |
| int year = YearFromTime(t); |
| int day = Day(t); |
| return day - DayFromYear(year); |
| } |
| |
| int MonthFromTime(double t) { |
| int day = DayWithinYear(t); |
| int year = YearFromTime(t); |
| if (0 <= day && day < 31) |
| return 0; |
| if (31 <= day && day < 59 + IsLeapYear(year)) |
| return 1; |
| if ((59 + IsLeapYear(year)) <= day && day < (90 + IsLeapYear(year))) |
| return 2; |
| if ((90 + IsLeapYear(year)) <= day && day < (120 + IsLeapYear(year))) |
| return 3; |
| if ((120 + IsLeapYear(year)) <= day && day < (151 + IsLeapYear(year))) |
| return 4; |
| if ((151 + IsLeapYear(year)) <= day && day < (181 + IsLeapYear(year))) |
| return 5; |
| if ((181 + IsLeapYear(year)) <= day && day < (212 + IsLeapYear(year))) |
| return 6; |
| if ((212 + IsLeapYear(year)) <= day && day < (243 + IsLeapYear(year))) |
| return 7; |
| if ((243 + IsLeapYear(year)) <= day && day < (273 + IsLeapYear(year))) |
| return 8; |
| if ((273 + IsLeapYear(year)) <= day && day < (304 + IsLeapYear(year))) |
| return 9; |
| if ((304 + IsLeapYear(year)) <= day && day < (334 + IsLeapYear(year))) |
| return 10; |
| if ((334 + IsLeapYear(year)) <= day && day < (365 + IsLeapYear(year))) |
| return 11; |
| |
| return -1; |
| } |
| |
| int DateFromTime(double t) { |
| int day = DayWithinYear(t); |
| int year = YearFromTime(t); |
| int leap = IsLeapYear(year); |
| int month = MonthFromTime(t); |
| switch (month) { |
| case 0: |
| return day + 1; |
| case 1: |
| return day - 30; |
| case 2: |
| return day - 58 - leap; |
| case 3: |
| return day - 89 - leap; |
| case 4: |
| return day - 119 - leap; |
| case 5: |
| return day - 150 - leap; |
| case 6: |
| return day - 180 - leap; |
| case 7: |
| return day - 211 - leap; |
| case 8: |
| return day - 242 - leap; |
| case 9: |
| return day - 272 - leap; |
| case 10: |
| return day - 303 - leap; |
| case 11: |
| return day - 333 - leap; |
| default: |
| return 0; |
| } |
| } |
| |
| } // namespace |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, v8::Local<v8::Value> pValue) |
| : m_pValue(pValue) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const int& iValue) |
| : m_pValue(pRuntime->NewNumber(iValue)) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const bool& bValue) |
| : m_pValue(pRuntime->NewBoolean(bValue)) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const float& fValue) |
| : m_pValue(pRuntime->NewNumber(fValue)) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const double& dValue) |
| : m_pValue(pRuntime->NewNumber(dValue)) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, CJS_Object* pObj) { |
| if (pObj) |
| m_pValue = pObj->ToV8Object(); |
| } |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const wchar_t* pWstr) |
| : m_pValue(pRuntime->NewString(pWstr)) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const char* pStr) |
| : m_pValue(pRuntime->NewString(WideString::FromLocal(pStr).c_str())) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const CJS_Array& array) |
| : m_pValue(array.ToV8Array(pRuntime)) {} |
| |
| CJS_Value::CJS_Value(CJS_Runtime* pRuntime, const CJS_Date& date) |
| : m_pValue(date.ToV8Date(pRuntime)) {} |
| |
| CJS_Value::~CJS_Value() {} |
| |
| CJS_Value::CJS_Value(const CJS_Value& other) = default; |
| |
| void CJS_Value::Attach(v8::Local<v8::Value> pValue) { |
| m_pValue = pValue; |
| } |
| |
| void CJS_Value::Detach() { |
| m_pValue = v8::Local<v8::Value>(); |
| } |
| |
| int CJS_Value::ToInt(CJS_Runtime* pRuntime) const { |
| return pRuntime->ToInt32(m_pValue); |
| } |
| |
| bool CJS_Value::ToBool(CJS_Runtime* pRuntime) const { |
| return pRuntime->ToBoolean(m_pValue); |
| } |
| |
| double CJS_Value::ToDouble(CJS_Runtime* pRuntime) const { |
| return pRuntime->ToDouble(m_pValue); |
| } |
| |
| float CJS_Value::ToFloat(CJS_Runtime* pRuntime) const { |
| return (float)ToDouble(pRuntime); |
| } |
| |
| CJS_Object* CJS_Value::ToCJSObject(CJS_Runtime* pRuntime) const { |
| v8::Local<v8::Object> pObj = pRuntime->ToObject(m_pValue); |
| return static_cast<CJS_Object*>(pRuntime->GetObjectPrivate(pObj)); |
| } |
| |
| v8::Local<v8::Object> CJS_Value::ToV8Object(CJS_Runtime* pRuntime) const { |
| return pRuntime->ToObject(m_pValue); |
| } |
| |
| WideString CJS_Value::ToCFXWideString(CJS_Runtime* pRuntime) const { |
| return pRuntime->ToWideString(m_pValue); |
| } |
| |
| ByteString CJS_Value::ToCFXByteString(CJS_Runtime* pRuntime) const { |
| return ByteString::FromUnicode(ToCFXWideString(pRuntime)); |
| } |
| |
| v8::Local<v8::Value> CJS_Value::ToV8Value(CJS_Runtime* pRuntime) const { |
| return m_pValue; |
| } |
| |
| v8::Local<v8::Array> CJS_Value::ToV8Array(CJS_Runtime* pRuntime) const { |
| return pRuntime->ToArray(m_pValue); |
| } |
| |
| void CJS_Value::SetNull(CJS_Runtime* pRuntime) { |
| m_pValue = pRuntime->NewNull(); |
| } |
| |
| void CJS_Value::MaybeCoerceToNumber(CJS_Runtime* pRuntime) { |
| bool bAllowNaN = false; |
| if (GetType() == VT_string) { |
| ByteString bstr = ToCFXByteString(pRuntime); |
| if (bstr.GetLength() == 0) |
| return; |
| if (bstr == "NaN") |
| bAllowNaN = true; |
| } |
| v8::Isolate* pIsolate = pRuntime->GetIsolate(); |
| v8::TryCatch try_catch(pIsolate); |
| v8::MaybeLocal<v8::Number> maybeNum = |
| m_pValue->ToNumber(pIsolate->GetCurrentContext()); |
| if (maybeNum.IsEmpty()) |
| return; |
| v8::Local<v8::Number> num = maybeNum.ToLocalChecked(); |
| if (std::isnan(num->Value()) && !bAllowNaN) |
| return; |
| m_pValue = num; |
| } |
| |
| // static |
| CJS_Value::Type CJS_Value::GetValueType(v8::Local<v8::Value> value) { |
| if (value.IsEmpty()) |
| return VT_unknown; |
| if (value->IsString()) |
| return VT_string; |
| if (value->IsNumber()) |
| return VT_number; |
| if (value->IsBoolean()) |
| return VT_boolean; |
| if (value->IsDate()) |
| return VT_date; |
| if (value->IsObject()) |
| return VT_object; |
| if (value->IsNull()) |
| return VT_null; |
| if (value->IsUndefined()) |
| return VT_undefined; |
| return VT_unknown; |
| } |
| |
| bool CJS_Value::IsArrayObject() const { |
| return !m_pValue.IsEmpty() && m_pValue->IsArray(); |
| } |
| |
| bool CJS_Value::IsDateObject() const { |
| return !m_pValue.IsEmpty() && m_pValue->IsDate(); |
| } |
| |
| bool CJS_Value::ConvertToArray(CJS_Runtime* pRuntime, CJS_Array& array) const { |
| if (!IsArrayObject()) |
| return false; |
| array.Attach(pRuntime->ToArray(m_pValue)); |
| return true; |
| } |
| |
| bool CJS_Value::ConvertToDate(CJS_Runtime* pRuntime, CJS_Date& date) const { |
| if (!IsDateObject()) |
| return false; |
| v8::Local<v8::Value> mutable_value = m_pValue; |
| date.Attach(mutable_value.As<v8::Date>()); |
| return true; |
| } |
| |
| CJS_PropValue::CJS_PropValue(CJS_Runtime* pRuntime) |
| : m_bIsSetting(0), m_Value(pRuntime), m_pJSRuntime(pRuntime) {} |
| |
| CJS_PropValue::CJS_PropValue(CJS_Runtime* pRuntime, const CJS_Value& value) |
| : m_bIsSetting(0), m_Value(value), m_pJSRuntime(pRuntime) {} |
| |
| CJS_PropValue::~CJS_PropValue() {} |
| |
| void CJS_PropValue::operator<<(int iValue) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), iValue); |
| } |
| |
| void CJS_PropValue::operator>>(int& iValue) const { |
| ASSERT(m_bIsSetting); |
| iValue = m_Value.ToInt(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(bool bValue) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), bValue); |
| } |
| |
| void CJS_PropValue::operator>>(bool& bValue) const { |
| ASSERT(m_bIsSetting); |
| bValue = m_Value.ToBool(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(double dValue) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), dValue); |
| } |
| |
| void CJS_PropValue::operator>>(double& dValue) const { |
| ASSERT(m_bIsSetting); |
| dValue = m_Value.ToDouble(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(CJS_Object* pObj) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), pObj); |
| } |
| |
| void CJS_PropValue::operator>>(CJS_Object*& ppObj) const { |
| ASSERT(m_bIsSetting); |
| ppObj = m_Value.ToCJSObject(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(CJS_Document* pJsDoc) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), pJsDoc); |
| } |
| |
| void CJS_PropValue::operator>>(CJS_Document*& ppJsDoc) const { |
| ASSERT(m_bIsSetting); |
| ppJsDoc = static_cast<CJS_Document*>(m_Value.ToCJSObject(m_pJSRuntime.Get())); |
| } |
| |
| void CJS_PropValue::operator<<(v8::Local<v8::Object> pObj) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), pObj); |
| } |
| |
| void CJS_PropValue::operator>>(v8::Local<v8::Object>& ppObj) const { |
| ASSERT(m_bIsSetting); |
| ppObj = m_Value.ToV8Object(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(ByteString str) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), str.c_str()); |
| } |
| |
| void CJS_PropValue::operator>>(ByteString& str) const { |
| ASSERT(m_bIsSetting); |
| str = m_Value.ToCFXByteString(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(const wchar_t* str) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), str); |
| } |
| |
| void CJS_PropValue::operator>>(WideString& wide_string) const { |
| ASSERT(m_bIsSetting); |
| wide_string = m_Value.ToCFXWideString(m_pJSRuntime.Get()); |
| } |
| |
| void CJS_PropValue::operator<<(WideString wide_string) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), wide_string.c_str()); |
| } |
| |
| void CJS_PropValue::operator>>(CJS_Array& array) const { |
| ASSERT(m_bIsSetting); |
| m_Value.ConvertToArray(m_pJSRuntime.Get(), array); |
| } |
| |
| void CJS_PropValue::operator<<(CJS_Array& array) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), array.ToV8Array(m_pJSRuntime.Get())); |
| } |
| |
| void CJS_PropValue::operator>>(CJS_Date& date) const { |
| ASSERT(m_bIsSetting); |
| m_Value.ConvertToDate(m_pJSRuntime.Get(), date); |
| } |
| |
| void CJS_PropValue::operator<<(CJS_Date& date) { |
| ASSERT(!m_bIsSetting); |
| m_Value = CJS_Value(m_pJSRuntime.Get(), date); |
| } |
| |
| CJS_Array::CJS_Array() {} |
| |
| CJS_Array::CJS_Array(const CJS_Array& other) = default; |
| |
| CJS_Array::~CJS_Array() {} |
| |
| void CJS_Array::Attach(v8::Local<v8::Array> pArray) { |
| m_pArray = pArray; |
| } |
| |
| void CJS_Array::GetElement(CJS_Runtime* pRuntime, |
| unsigned index, |
| CJS_Value& value) const { |
| if (!m_pArray.IsEmpty()) |
| value.Attach(pRuntime->GetArrayElement(m_pArray, index)); |
| } |
| |
| void CJS_Array::SetElement(CJS_Runtime* pRuntime, |
| unsigned index, |
| const CJS_Value& value) { |
| if (m_pArray.IsEmpty()) |
| m_pArray = pRuntime->NewArray(); |
| |
| pRuntime->PutArrayElement(m_pArray, index, value.ToV8Value(pRuntime)); |
| } |
| |
| int CJS_Array::GetLength(CJS_Runtime* pRuntime) const { |
| if (m_pArray.IsEmpty()) |
| return 0; |
| return pRuntime->GetArrayLength(m_pArray); |
| } |
| |
| v8::Local<v8::Array> CJS_Array::ToV8Array(CJS_Runtime* pRuntime) const { |
| if (m_pArray.IsEmpty()) |
| m_pArray = pRuntime->NewArray(); |
| |
| return m_pArray; |
| } |
| |
| CJS_Date::CJS_Date() {} |
| |
| CJS_Date::CJS_Date(CJS_Runtime* pRuntime, double dMsecTime) |
| : m_pDate(pRuntime->NewDate(dMsecTime)) {} |
| |
| CJS_Date::CJS_Date(CJS_Runtime* pRuntime, |
| int year, |
| int mon, |
| int day, |
| int hour, |
| int min, |
| int sec) |
| : m_pDate(pRuntime->NewDate(MakeDate(year, mon, day, hour, min, sec, 0))) {} |
| |
| CJS_Date::~CJS_Date() {} |
| |
| bool CJS_Date::IsValidDate(CJS_Runtime* pRuntime) const { |
| return !m_pDate.IsEmpty() && !std::isnan(pRuntime->ToDouble(m_pDate)); |
| } |
| |
| void CJS_Date::Attach(v8::Local<v8::Date> pDate) { |
| m_pDate = pDate; |
| } |
| |
| int CJS_Date::GetYear(CJS_Runtime* pRuntime) const { |
| if (!IsValidDate(pRuntime)) |
| return 0; |
| |
| return JS_GetYearFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate))); |
| } |
| |
| void CJS_Date::SetYear(CJS_Runtime* pRuntime, int iYear) { |
| m_pDate = pRuntime->NewDate( |
| MakeDate(iYear, GetMonth(pRuntime), GetDay(pRuntime), GetHours(pRuntime), |
| GetMinutes(pRuntime), GetSeconds(pRuntime), 0)); |
| } |
| |
| int CJS_Date::GetMonth(CJS_Runtime* pRuntime) const { |
| if (!IsValidDate(pRuntime)) |
| return 0; |
| |
| return JS_GetMonthFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate))); |
| } |
| |
| void CJS_Date::SetMonth(CJS_Runtime* pRuntime, int iMonth) { |
| m_pDate = pRuntime->NewDate( |
| MakeDate(GetYear(pRuntime), iMonth, GetDay(pRuntime), GetHours(pRuntime), |
| GetMinutes(pRuntime), GetSeconds(pRuntime), 0)); |
| } |
| |
| int CJS_Date::GetDay(CJS_Runtime* pRuntime) const { |
| if (!IsValidDate(pRuntime)) |
| return 0; |
| |
| return JS_GetDayFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate))); |
| } |
| |
| void CJS_Date::SetDay(CJS_Runtime* pRuntime, int iDay) { |
| m_pDate = pRuntime->NewDate( |
| MakeDate(GetYear(pRuntime), GetMonth(pRuntime), iDay, GetHours(pRuntime), |
| GetMinutes(pRuntime), GetSeconds(pRuntime), 0)); |
| } |
| |
| int CJS_Date::GetHours(CJS_Runtime* pRuntime) const { |
| if (!IsValidDate(pRuntime)) |
| return 0; |
| |
| return JS_GetHourFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate))); |
| } |
| |
| void CJS_Date::SetHours(CJS_Runtime* pRuntime, int iHours) { |
| m_pDate = pRuntime->NewDate( |
| MakeDate(GetYear(pRuntime), GetMonth(pRuntime), GetDay(pRuntime), iHours, |
| GetMinutes(pRuntime), GetSeconds(pRuntime), 0)); |
| } |
| |
| int CJS_Date::GetMinutes(CJS_Runtime* pRuntime) const { |
| if (!IsValidDate(pRuntime)) |
| return 0; |
| |
| return JS_GetMinFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate))); |
| } |
| |
| void CJS_Date::SetMinutes(CJS_Runtime* pRuntime, int minutes) { |
| m_pDate = pRuntime->NewDate(MakeDate(GetYear(pRuntime), GetMonth(pRuntime), |
| GetDay(pRuntime), GetHours(pRuntime), |
| minutes, GetSeconds(pRuntime), 0)); |
| } |
| |
| int CJS_Date::GetSeconds(CJS_Runtime* pRuntime) const { |
| if (!IsValidDate(pRuntime)) |
| return 0; |
| |
| return JS_GetSecFromTime(JS_LocalTime(pRuntime->ToDouble(m_pDate))); |
| } |
| |
| void CJS_Date::SetSeconds(CJS_Runtime* pRuntime, int seconds) { |
| m_pDate = pRuntime->NewDate(MakeDate(GetYear(pRuntime), GetMonth(pRuntime), |
| GetDay(pRuntime), GetHours(pRuntime), |
| GetMinutes(pRuntime), seconds, 0)); |
| } |
| |
| double CJS_Date::ToDouble(CJS_Runtime* pRuntime) const { |
| return !m_pDate.IsEmpty() ? pRuntime->ToDouble(m_pDate) : 0.0; |
| } |
| |
| WideString CJS_Date::ToString(CJS_Runtime* pRuntime) const { |
| return !m_pDate.IsEmpty() ? pRuntime->ToWideString(m_pDate) : WideString(); |
| } |
| |
| v8::Local<v8::Date> CJS_Date::ToV8Date(CJS_Runtime* pRuntime) const { |
| return m_pDate; |
| } |
| |
| double JS_GetDateTime() { |
| if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS)) |
| return 0; |
| time_t t = time(nullptr); |
| struct tm* pTm = localtime(&t); |
| |
| int year = pTm->tm_year + 1900; |
| double t1 = TimeFromYear(year); |
| |
| return t1 + pTm->tm_yday * 86400000.0 + pTm->tm_hour * 3600000.0 + |
| pTm->tm_min * 60000.0 + pTm->tm_sec * 1000.0; |
| } |
| |
| int JS_GetYearFromTime(double dt) { |
| return YearFromTime(dt); |
| } |
| |
| int JS_GetMonthFromTime(double dt) { |
| return MonthFromTime(dt); |
| } |
| |
| int JS_GetDayFromTime(double dt) { |
| return DateFromTime(dt); |
| } |
| |
| int JS_GetHourFromTime(double dt) { |
| return (int)Mod(floor(dt / (60 * 60 * 1000)), 24); |
| } |
| |
| int JS_GetMinFromTime(double dt) { |
| return (int)Mod(floor(dt / (60 * 1000)), 60); |
| } |
| |
| int JS_GetSecFromTime(double dt) { |
| return (int)Mod(floor(dt / 1000), 60); |
| } |
| |
| double JS_DateParse(const WideString& str) { |
| v8::Isolate* pIsolate = v8::Isolate::GetCurrent(); |
| v8::Isolate::Scope isolate_scope(pIsolate); |
| v8::HandleScope scope(pIsolate); |
| |
| v8::Local<v8::Context> context = pIsolate->GetCurrentContext(); |
| |
| // Use the built-in object method. |
| v8::Local<v8::Value> v = |
| context->Global() |
| ->Get(context, v8::String::NewFromUtf8(pIsolate, "Date", |
| v8::NewStringType::kNormal) |
| .ToLocalChecked()) |
| .ToLocalChecked(); |
| if (v->IsObject()) { |
| v8::Local<v8::Object> o = v->ToObject(context).ToLocalChecked(); |
| v = o->Get(context, v8::String::NewFromUtf8(pIsolate, "parse", |
| v8::NewStringType::kNormal) |
| .ToLocalChecked()) |
| .ToLocalChecked(); |
| if (v->IsFunction()) { |
| v8::Local<v8::Function> funC = v8::Local<v8::Function>::Cast(v); |
| const int argc = 1; |
| v8::Local<v8::Value> timeStr = |
| CJS_Runtime::CurrentRuntimeFromIsolate(pIsolate)->NewString( |
| str.AsStringView()); |
| v8::Local<v8::Value> argv[argc] = {timeStr}; |
| v = funC->Call(context, context->Global(), argc, argv).ToLocalChecked(); |
| if (v->IsNumber()) { |
| double date = v->ToNumber(context).ToLocalChecked()->Value(); |
| if (!std::isfinite(date)) |
| return date; |
| return JS_LocalTime(date); |
| } |
| } |
| } |
| return 0; |
| } |
| |
| double JS_MakeDay(int nYear, int nMonth, int nDate) { |
| double y = static_cast<double>(nYear); |
| double m = static_cast<double>(nMonth); |
| double dt = static_cast<double>(nDate); |
| double ym = y + floor(m / 12); |
| double mn = Mod(m, 12); |
| double t = TimeFromYearMonth(static_cast<int>(ym), static_cast<int>(mn)); |
| if (YearFromTime(t) != ym || MonthFromTime(t) != mn || DateFromTime(t) != 1) |
| return std::nan(""); |
| |
| return Day(t) + dt - 1; |
| } |
| |
| double JS_MakeTime(int nHour, int nMin, int nSec, int nMs) { |
| double h = static_cast<double>(nHour); |
| double m = static_cast<double>(nMin); |
| double s = static_cast<double>(nSec); |
| double milli = static_cast<double>(nMs); |
| return h * 3600000 + m * 60000 + s * 1000 + milli; |
| } |
| |
| double JS_MakeDate(double day, double time) { |
| if (!std::isfinite(day) || !std::isfinite(time)) |
| return std::nan(""); |
| |
| return day * 86400000 + time; |
| } |
| |
| double JS_LocalTime(double d) { |
| return d + GetLocalTZA() + GetDaylightSavingTA(d); |
| } |
| |
| std::vector<CJS_Value> JS_ExpandKeywordParams( |
| CJS_Runtime* pRuntime, |
| const std::vector<CJS_Value>& originals, |
| size_t nKeywords, |
| ...) { |
| ASSERT(nKeywords); |
| |
| std::vector<CJS_Value> result(nKeywords, CJS_Value(pRuntime)); |
| size_t size = std::min(originals.size(), nKeywords); |
| for (size_t i = 0; i < size; ++i) |
| result[i] = originals[i]; |
| |
| if (originals.size() != 1 || originals[0].GetType() != CJS_Value::VT_object || |
| originals[0].IsArrayObject()) { |
| return result; |
| } |
| v8::Local<v8::Object> pObj = originals[0].ToV8Object(pRuntime); |
| result[0] = CJS_Value(pRuntime); // Make unknown. |
| |
| va_list ap; |
| va_start(ap, nKeywords); |
| for (size_t i = 0; i < nKeywords; ++i) { |
| const wchar_t* property = va_arg(ap, const wchar_t*); |
| v8::Local<v8::Value> v8Value = pRuntime->GetObjectProperty(pObj, property); |
| if (!v8Value->IsUndefined()) |
| result[i] = CJS_Value(pRuntime, v8Value); |
| } |
| va_end(ap); |
| return result; |
| } |