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-rw-r--r--fpdfsdk/javascript/JS_Value.cpp368
1 files changed, 183 insertions, 185 deletions
diff --git a/fpdfsdk/javascript/JS_Value.cpp b/fpdfsdk/javascript/JS_Value.cpp
index dba0b76115..1b8f7f16aa 100644
--- a/fpdfsdk/javascript/JS_Value.cpp
+++ b/fpdfsdk/javascript/JS_Value.cpp
@@ -31,6 +31,166 @@ MakeDate(int year, int mon, int day, int hour, int min, int sec, int ms) {
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 _MSC_VER >= 1900
+ // In gcc and in Visual Studio prior to VS 2015 'timezone' is a global
+ // variable declared in time.h. That variable was deprecated and in VS 2015
+ // is removed, with _get_timezone replacing it.
+ long timezone = 0;
+ _get_timezone(&timezone);
+#endif
+ 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;
+}
+
+int IsFinite(double v) {
+#if _MSC_VER
+ return ::_finite(v);
+#else
+ return std::fabs(v) < std::numeric_limits<double>::max();
+#endif
+}
+
+double ToInteger(double n) {
+ return (n >= 0) ? floor(n) : -floor(-n);
+}
+
+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 (int)floor(t / 86400000);
+}
+
+int YearFromTime(double t) {
+ // estimate the time.
+ int y = 1970 + static_cast<int>(t / (365.2425 * 86400000));
+ 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) {}
@@ -456,166 +616,6 @@ v8::Local<v8::Date> CJS_Date::ToV8Date(CJS_Runtime* pRuntime) const {
return m_pDate;
}
-double _getLocalTZA() {
- if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
- return 0;
- time_t t = 0;
- time(&t);
- localtime(&t);
-#if _MSC_VER >= 1900
- // In gcc and in Visual Studio prior to VS 2015 'timezone' is a global
- // variable declared in time.h. That variable was deprecated and in VS 2015
- // is removed, with _get_timezone replacing it.
- long timezone = 0;
- _get_timezone(&timezone);
-#endif
- 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;
-}
-
-int _isfinite(double v) {
-#if _MSC_VER
- return ::_finite(v);
-#else
- return std::fabs(v) < std::numeric_limits<double>::max();
-#endif
-}
-
-double _toInteger(double n) {
- return (n >= 0) ? floor(n) : -floor(-n);
-}
-
-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 (int)floor(t / 86400000);
-}
-
-int _YearFromTime(double t) {
- // estimate the time.
- int y = 1970 + static_cast<int>(t / (365.2425 * 86400000));
- 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;
- }
-}
-
double JS_GetDateTime() {
if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
return 0;
@@ -623,34 +623,34 @@ double JS_GetDateTime() {
struct tm* pTm = localtime(&t);
int year = pTm->tm_year + 1900;
- double t1 = _TimeFromYear(year);
+ 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);
+ return YearFromTime(dt);
}
int JS_GetMonthFromTime(double dt) {
- return _MonthFromTime(dt);
+ return MonthFromTime(dt);
}
int JS_GetDayFromTime(double dt) {
- return _DateFromTime(dt);
+ return DateFromTime(dt);
}
int JS_GetHourFromTime(double dt) {
- return (int)_Mod(floor(dt / (60 * 60 * 1000)), 24);
+ return (int)Mod(floor(dt / (60 * 60 * 1000)), 24);
}
int JS_GetMinFromTime(double dt) {
- return (int)_Mod(floor(dt / (60 * 1000)), 60);
+ return (int)Mod(floor(dt / (60 * 1000)), 60);
}
int JS_GetSecFromTime(double dt) {
- return (int)_Mod(floor(dt / 1000), 60);
+ return (int)Mod(floor(dt / 1000), 60);
}
double JS_DateParse(const CFX_WideString& str) {
@@ -683,7 +683,7 @@ double JS_DateParse(const CFX_WideString& str) {
v = funC->Call(context, context->Global(), argc, argv).ToLocalChecked();
if (v->IsNumber()) {
double date = v->ToNumber(context).ToLocalChecked()->Value();
- if (!_isfinite(date))
+ if (!IsFinite(date))
return date;
return JS_LocalTime(date);
}
@@ -693,37 +693,35 @@ double JS_DateParse(const CFX_WideString& str) {
}
double JS_MakeDay(int nYear, int nMonth, int nDate) {
- if (!_isfinite(nYear) || !_isfinite(nMonth) || !_isfinite(nDate))
+ if (!IsFinite(nYear) || !IsFinite(nMonth) || !IsFinite(nDate))
return GetNan();
- double y = _toInteger(nYear);
- double m = _toInteger(nMonth);
- double dt = _toInteger(nDate);
+ double y = ToInteger(nYear);
+ double m = ToInteger(nMonth);
+ double dt = ToInteger(nDate);
double ym = y + floor((double)m / 12);
- double mn = _Mod(m, 12);
+ double mn = Mod(m, 12);
- double t = _TimeFromYearMonth((int)ym, (int)mn);
+ double t = TimeFromYearMonth((int)ym, (int)mn);
- if (_YearFromTime(t) != ym || _MonthFromTime(t) != mn ||
- _DateFromTime(t) != 1)
+ if (YearFromTime(t) != ym || MonthFromTime(t) != mn || DateFromTime(t) != 1)
return GetNan();
- return _Day(t) + dt - 1;
+ return Day(t) + dt - 1;
}
double JS_MakeTime(int nHour, int nMin, int nSec, int nMs) {
- if (!_isfinite(nHour) || !_isfinite(nMin) || !_isfinite(nSec) ||
- !_isfinite(nMs))
+ if (!IsFinite(nHour) || !IsFinite(nMin) || !IsFinite(nSec) || !IsFinite(nMs))
return GetNan();
- double h = _toInteger(nHour);
- double m = _toInteger(nMin);
- double s = _toInteger(nSec);
- double milli = _toInteger(nMs);
+ double h = ToInteger(nHour);
+ double m = ToInteger(nMin);
+ double s = ToInteger(nSec);
+ double milli = ToInteger(nMs);
return h * 3600000 + m * 60000 + s * 1000 + milli;
}
double JS_MakeDate(double day, double time) {
- if (!_isfinite(day) || !_isfinite(time))
+ if (!IsFinite(day) || !IsFinite(time))
return GetNan();
return day * 86400000 + time;
@@ -734,7 +732,7 @@ bool JS_PortIsNan(double d) {
}
double JS_LocalTime(double d) {
- return d + _getLocalTZA() + _getDaylightSavingTA(d);
+ return d + GetLocalTZA() + GetDaylightSavingTA(d);
}
std::vector<CJS_Value> JS_ExpandKeywordParams(
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 19:17:55 +0000