Move fpdfsdk/javascript to fxjs/
This CL moves all of the CJS files into fxjs. The :javascript build rule
is removed and :fxjs is used instead.
Change-Id: I1701b308f51317d0346c7401b43812c3f43a27bf
Reviewed-on: https://pdfium-review.googlesource.com/17047
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
diff --git a/fxjs/JS_Define.cpp b/fxjs/JS_Define.cpp
new file mode 100644
index 0000000..90f7557
--- /dev/null
+++ b/fxjs/JS_Define.cpp
@@ -0,0 +1,308 @@
+// 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 "fxjs/JS_Define.h"
+
+#include <time.h>
+
+#include <algorithm>
+#include <cmath>
+#include <limits>
+#include <vector>
+
+#include "fxjs/cjs_document.h"
+#include "fxjs/cjs_object.h"
+
+namespace {
+
+double GetLocalTZA() {
+ if (!FSDK_IsSandBoxPolicyEnabled(FPDF_POLICY_MACHINETIME_ACCESS))
+ return 0;
+ time_t t = 0;
+ time(&t);
+ localtime(&t);
+#if _FX_PLATFORM_ == _FX_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 // _FX_PLATFORM_ == _FX_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
+
+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_LocalTime(double d) {
+ return d + GetLocalTZA() + GetDaylightSavingTA(d);
+}
+
+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;
+}
+
+std::vector<v8::Local<v8::Value>> ExpandKeywordParams(
+ CJS_Runtime* pRuntime,
+ const std::vector<v8::Local<v8::Value>>& originals,
+ size_t nKeywords,
+ ...) {
+ ASSERT(nKeywords);
+
+ std::vector<v8::Local<v8::Value>> result(nKeywords, v8::Local<v8::Value>());
+ 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]->IsObject() ||
+ originals[0]->IsArray()) {
+ return result;
+ }
+ result[0] = v8::Local<v8::Value>(); // Make unknown.
+
+ v8::Local<v8::Object> pObj = pRuntime->ToObject(originals[0]);
+ 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] = v8Value;
+ }
+ va_end(ap);
+
+ return result;
+}
