From a146507fdbe8a8d13fe590b5fa883efc7bffe90a Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Mon, 30 Oct 2017 17:05:31 +0000 Subject: Move JS_Value into JS_Define This CL moves CJS_Return to its own files and moves the remaining function definitions from JS_Value to JS_Define. Change-Id: Ic7058a02330153f22d1fff9fc6cdebd9167c498b Reviewed-on: https://pdfium-review.googlesource.com/17038 Commit-Queue: dsinclair Reviewed-by: Tom Sepez --- fpdfsdk/javascript/JS_Value.cpp | 320 ---------------------------------------- 1 file changed, 320 deletions(-) delete mode 100644 fpdfsdk/javascript/JS_Value.cpp (limited to 'fpdfsdk/javascript/JS_Value.cpp') diff --git a/fpdfsdk/javascript/JS_Value.cpp b/fpdfsdk/javascript/JS_Value.cpp deleted file mode 100644 index da09ff28ac..0000000000 --- a/fpdfsdk/javascript/JS_Value.cpp +++ /dev/null @@ -1,320 +0,0 @@ -// 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 - -#include -#include -#include -#include - -#include "fpdfsdk/javascript/JS_Define.h" -#include "fpdfsdk/javascript/cjs_document.h" -#include "fpdfsdk/javascript/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(floor(t / 86400000.0)); -} - -int YearFromTime(double t) { - // estimate the time. - int y = 1970 + static_cast(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_Return::CJS_Return(bool result) : is_error_(!result) {} - -CJS_Return::CJS_Return(const WideString& err) : is_error_(true), error_(err) {} - -CJS_Return::CJS_Return(v8::Local ret) - : is_error_(false), return_(ret) {} - -CJS_Return::CJS_Return(const CJS_Return&) = default; - -CJS_Return::~CJS_Return() = default; - -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 context = pIsolate->GetCurrentContext(); - - // Use the built-in object method. - v8::Local v = - context->Global() - ->Get(context, v8::String::NewFromUtf8(pIsolate, "Date", - v8::NewStringType::kNormal) - .ToLocalChecked()) - .ToLocalChecked(); - if (v->IsObject()) { - v8::Local o = v->ToObject(context).ToLocalChecked(); - v = o->Get(context, v8::String::NewFromUtf8(pIsolate, "parse", - v8::NewStringType::kNormal) - .ToLocalChecked()) - .ToLocalChecked(); - if (v->IsFunction()) { - v8::Local funC = v8::Local::Cast(v); - const int argc = 1; - v8::Local timeStr = - CJS_Runtime::CurrentRuntimeFromIsolate(pIsolate)->NewString( - str.AsStringView()); - v8::Local 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(nYear); - double m = static_cast(nMonth); - double dt = static_cast(nDate); - double ym = y + floor(m / 12); - double mn = Mod(m, 12); - double t = TimeFromYearMonth(static_cast(ym), static_cast(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(nHour); - double m = static_cast(nMin); - double s = static_cast(nSec); - double milli = static_cast(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> ExpandKeywordParams( - CJS_Runtime* pRuntime, - const std::vector>& originals, - size_t nKeywords, - ...) { - ASSERT(nKeywords); - - std::vector> result(nKeywords, v8::Local()); - 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(); // Make unknown. - - v8::Local 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 v8Value = pRuntime->GetObjectProperty(pObj, property); - if (!v8Value->IsUndefined()) - result[i] = v8Value; - } - va_end(ap); - - return result; -} -- cgit v1.2.3