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60 lines
1.4 KiB
C++
60 lines
1.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/dom/Date.h"
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#include "jsapi.h" // for JS_ObjectIsDate, JS_NewDateObjectMsec
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#include "jsfriendapi.h" // for js_DateGetMsecSinceEpoch
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#include "js/RootingAPI.h" // for Rooted, MutableHandle
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#include "js/Value.h" // for Value
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#include "jswrapper.h" // for CheckedUnwrap
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#include "mozilla/FloatingPoint.h" // for IsNaN, UnspecifiedNaN
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namespace mozilla {
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namespace dom {
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Date::Date()
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: mMsecSinceEpoch(UnspecifiedNaN<double>())
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{
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}
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bool
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Date::IsUndefined() const
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{
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return IsNaN(mMsecSinceEpoch);
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}
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bool
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Date::SetTimeStamp(JSContext* aCx, JSObject* aObject)
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{
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JS::Rooted<JSObject*> obj(aCx, aObject);
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MOZ_ASSERT(JS_ObjectIsDate(aCx, obj));
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obj = js::CheckedUnwrap(obj);
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// This really sucks: even if JS_ObjectIsDate, CheckedUnwrap can _still_ fail.
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if (!obj) {
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return false;
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}
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mMsecSinceEpoch = js_DateGetMsecSinceEpoch(obj);
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return true;
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}
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bool
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Date::ToDateObject(JSContext* aCx, JS::MutableHandle<JS::Value> aRval) const
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{
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JSObject* obj = JS_NewDateObjectMsec(aCx, mMsecSinceEpoch);
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if (!obj) {
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return false;
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}
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aRval.setObject(*obj);
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return true;
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}
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} // namespace dom
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} // namespace mozilla
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