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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301
* USA
*
*/
#include "config.h"
#include "DateConstructor.h"
#include "DateConversion.h"
#include "DateInstance.h"
#include "DatePrototype.h"
#include "JSDateMath.h"
#include "JSFunction.h"
#include "JSGlobalObject.h"
#include "JSString.h"
#include "JSStringBuilder.h"
#include "ObjectPrototype.h"
#include "Operations.h"
#include <math.h>
#include <time.h>
#include <wtf/MathExtras.h>
#if OS(WINCE) && !PLATFORM(QT)
extern "C" time_t time(time_t* timer); // Provided by libce.
#endif
#if HAVE(SYS_TIME_H)
#include <sys/time.h>
#endif
#if HAVE(SYS_TIMEB_H)
#include <sys/timeb.h>
#endif
using namespace WTF;
namespace JSC {
static EncodedJSValue JSC_HOST_CALL dateParse(ExecState*);
static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*);
static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*);
}
#include "DateConstructor.lut.h"
namespace JSC {
const ClassInfo DateConstructor::s_info = { "Function", &InternalFunction::s_info, 0, ExecState::dateConstructorTable, CREATE_METHOD_TABLE(DateConstructor) };
/* Source for DateConstructor.lut.h
@begin dateConstructorTable
parse dateParse DontEnum|Function 1
UTC dateUTC DontEnum|Function 7
now dateNow DontEnum|Function 0
@end
*/
ASSERT_HAS_TRIVIAL_DESTRUCTOR(DateConstructor);
DateConstructor::DateConstructor(JSGlobalObject* globalObject, Structure* structure)
: InternalFunction(globalObject, structure)
{
}
void DateConstructor::finishCreation(ExecState* exec, DatePrototype* datePrototype)
{
Base::finishCreation(exec->vm(), datePrototype->classInfo()->className);
putDirectWithoutTransition(exec->vm(), exec->propertyNames().prototype, datePrototype, DontEnum | DontDelete | ReadOnly);
putDirectWithoutTransition(exec->vm(), exec->propertyNames().length, jsNumber(7), ReadOnly | DontEnum | DontDelete);
}
bool DateConstructor::getOwnPropertySlot(JSCell* cell, ExecState* exec, PropertyName propertyName, PropertySlot &slot)
{
return getStaticFunctionSlot<InternalFunction>(exec, ExecState::dateConstructorTable(exec), jsCast<DateConstructor*>(cell), propertyName, slot);
}
bool DateConstructor::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, PropertyName propertyName, PropertyDescriptor& descriptor)
{
return getStaticFunctionDescriptor<InternalFunction>(exec, ExecState::dateConstructorTable(exec), jsCast<DateConstructor*>(object), propertyName, descriptor);
}
// ECMA 15.9.3
JSObject* constructDate(ExecState* exec, JSGlobalObject* globalObject, const ArgList& args)
{
int numArgs = args.size();
double value;
if (numArgs == 0) // new Date() ECMA 15.9.3.3
value = jsCurrentTime();
else if (numArgs == 1) {
if (args.at(0).inherits(&DateInstance::s_info))
value = asDateInstance(args.at(0))->internalNumber();
else {
JSValue primitive = args.at(0).toPrimitive(exec);
if (primitive.isString())
value = parseDate(exec, primitive.getString(exec));
else
value = primitive.toNumber(exec);
}
} else {
double doubleArguments[7] = {
args.at(0).toNumber(exec),
args.at(1).toNumber(exec),
args.at(2).toNumber(exec),
args.at(3).toNumber(exec),
args.at(4).toNumber(exec),
args.at(5).toNumber(exec),
args.at(6).toNumber(exec)
};
if (!std::isfinite(doubleArguments[0])
|| !std::isfinite(doubleArguments[1])
|| (numArgs >= 3 && !std::isfinite(doubleArguments[2]))
|| (numArgs >= 4 && !std::isfinite(doubleArguments[3]))
|| (numArgs >= 5 && !std::isfinite(doubleArguments[4]))
|| (numArgs >= 6 && !std::isfinite(doubleArguments[5]))
|| (numArgs >= 7 && !std::isfinite(doubleArguments[6])))
value = QNaN;
else {
GregorianDateTime t;
int year = JSC::toInt32(doubleArguments[0]);
t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year);
t.setMonth(JSC::toInt32(doubleArguments[1]));
t.setMonthDay((numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1);
t.setHour(JSC::toInt32(doubleArguments[3]));
t.setMinute(JSC::toInt32(doubleArguments[4]));
t.setSecond(JSC::toInt32(doubleArguments[5]));
t.setIsDST(-1);
double ms = (numArgs >= 7) ? doubleArguments[6] : 0;
value = gregorianDateTimeToMS(exec, t, ms, false);
}
}
return DateInstance::create(exec, globalObject->dateStructure(), value);
}
static EncodedJSValue JSC_HOST_CALL constructWithDateConstructor(ExecState* exec)
{
ArgList args(exec);
return JSValue::encode(constructDate(exec, asInternalFunction(exec->callee())->globalObject(), args));
}
ConstructType DateConstructor::getConstructData(JSCell*, ConstructData& constructData)
{
constructData.native.function = constructWithDateConstructor;
return ConstructTypeHost;
}
// ECMA 15.9.2
static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec)
{
GregorianDateTime ts;
msToGregorianDateTime(exec, currentTimeMS(), false, ts);
return JSValue::encode(jsNontrivialString(exec, formatDateTime(ts, DateTimeFormatDateAndTime, false)));
}
CallType DateConstructor::getCallData(JSCell*, CallData& callData)
{
callData.native.function = callDate;
return CallTypeHost;
}
static EncodedJSValue JSC_HOST_CALL dateParse(ExecState* exec)
{
return JSValue::encode(jsNumber(parseDate(exec, exec->argument(0).toString(exec)->value(exec))));
}
static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*)
{
return JSValue::encode(jsNumber(jsCurrentTime()));
}
static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState* exec)
{
double doubleArguments[7] = {
exec->argument(0).toNumber(exec),
exec->argument(1).toNumber(exec),
exec->argument(2).toNumber(exec),
exec->argument(3).toNumber(exec),
exec->argument(4).toNumber(exec),
exec->argument(5).toNumber(exec),
exec->argument(6).toNumber(exec)
};
int n = exec->argumentCount();
if (std::isnan(doubleArguments[0])
|| std::isnan(doubleArguments[1])
|| (n >= 3 && std::isnan(doubleArguments[2]))
|| (n >= 4 && std::isnan(doubleArguments[3]))
|| (n >= 5 && std::isnan(doubleArguments[4]))
|| (n >= 6 && std::isnan(doubleArguments[5]))
|| (n >= 7 && std::isnan(doubleArguments[6])))
return JSValue::encode(jsNaN());
GregorianDateTime t;
int year = JSC::toInt32(doubleArguments[0]);
t.setYear((year >= 0 && year <= 99) ? (year + 1900) : year);
t.setMonth(JSC::toInt32(doubleArguments[1]));
t.setMonthDay((n >= 3) ? JSC::toInt32(doubleArguments[2]) : 1);
t.setHour(JSC::toInt32(doubleArguments[3]));
t.setMinute(JSC::toInt32(doubleArguments[4]));
t.setSecond(JSC::toInt32(doubleArguments[5]));
double ms = (n >= 7) ? doubleArguments[6] : 0;
return JSValue::encode(jsNumber(timeClip(gregorianDateTimeToMS(exec, t, ms, true))));
}
} // namespace JSC
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