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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008 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 "JSFunction.h"
#include "JSGlobalObject.h"
#include "JSString.h"
#include "ObjectPrototype.h"
#include "PrototypeFunction.h"
#include <math.h>
#include <time.h>
#include <wtf/DateMath.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 {
ASSERT_CLASS_FITS_IN_CELL(DateConstructor);
static JSValue JSC_HOST_CALL dateParse(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateNow(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateUTC(ExecState*, JSObject*, JSValue, const ArgList&);
DateConstructor::DateConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure, DatePrototype* datePrototype)
: InternalFunction(&exec->globalData(), structure, Identifier(exec, datePrototype->classInfo()->className))
{
putDirectWithoutTransition(exec->propertyNames().prototype, datePrototype, DontEnum|DontDelete|ReadOnly);
putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 1, exec->propertyNames().parse, dateParse), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 7, exec->propertyNames().UTC, dateUTC), DontEnum);
putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().now, dateNow), DontEnum);
putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 7), ReadOnly | DontEnum | DontDelete);
}
// ECMA 15.9.3
JSObject* constructDate(ExecState* exec, 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::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 {
if (isnan(args.at(0).toNumber(exec))
|| isnan(args.at(1).toNumber(exec))
|| (numArgs >= 3 && isnan(args.at(2).toNumber(exec)))
|| (numArgs >= 4 && isnan(args.at(3).toNumber(exec)))
|| (numArgs >= 5 && isnan(args.at(4).toNumber(exec)))
|| (numArgs >= 6 && isnan(args.at(5).toNumber(exec)))
|| (numArgs >= 7 && isnan(args.at(6).toNumber(exec))))
value = NaN;
else {
GregorianDateTime t;
int year = args.at(0).toInt32(exec);
t.year = (year >= 0 && year <= 99) ? year : year - 1900;
t.month = args.at(1).toInt32(exec);
t.monthDay = (numArgs >= 3) ? args.at(2).toInt32(exec) : 1;
t.hour = args.at(3).toInt32(exec);
t.minute = args.at(4).toInt32(exec);
t.second = args.at(5).toInt32(exec);
t.isDST = -1;
double ms = (numArgs >= 7) ? args.at(6).toNumber(exec) : 0;
value = gregorianDateTimeToMS(exec, t, ms, false);
}
}
return new (exec) DateInstance(exec, value);
}
static JSObject* constructWithDateConstructor(ExecState* exec, JSObject*, const ArgList& args)
{
return constructDate(exec, args);
}
ConstructType DateConstructor::getConstructData(ConstructData& constructData)
{
constructData.native.function = constructWithDateConstructor;
return ConstructTypeHost;
}
// ECMA 15.9.2
static JSValue JSC_HOST_CALL callDate(ExecState* exec, JSObject*, JSValue, const ArgList&)
{
time_t localTime = time(0);
tm localTM;
getLocalTime(&localTime, &localTM);
GregorianDateTime ts(exec, localTM);
DateConversionBuffer date;
DateConversionBuffer time;
formatDate(ts, date);
formatTime(ts, time);
return jsNontrivialString(exec, makeString(date, " ", time));
}
CallType DateConstructor::getCallData(CallData& callData)
{
callData.native.function = callDate;
return CallTypeHost;
}
static JSValue JSC_HOST_CALL dateParse(ExecState* exec, JSObject*, JSValue, const ArgList& args)
{
return jsNumber(exec, parseDate(exec, args.at(0).toString(exec)));
}
static JSValue JSC_HOST_CALL dateNow(ExecState* exec, JSObject*, JSValue, const ArgList&)
{
return jsNumber(exec, jsCurrentTime());
}
static JSValue JSC_HOST_CALL dateUTC(ExecState* exec, JSObject*, JSValue, const ArgList& args)
{
int n = args.size();
if (isnan(args.at(0).toNumber(exec))
|| isnan(args.at(1).toNumber(exec))
|| (n >= 3 && isnan(args.at(2).toNumber(exec)))
|| (n >= 4 && isnan(args.at(3).toNumber(exec)))
|| (n >= 5 && isnan(args.at(4).toNumber(exec)))
|| (n >= 6 && isnan(args.at(5).toNumber(exec)))
|| (n >= 7 && isnan(args.at(6).toNumber(exec))))
return jsNaN(exec);
GregorianDateTime t;
int year = args.at(0).toInt32(exec);
t.year = (year >= 0 && year <= 99) ? year : year - 1900;
t.month = args.at(1).toInt32(exec);
t.monthDay = (n >= 3) ? args.at(2).toInt32(exec) : 1;
t.hour = args.at(3).toInt32(exec);
t.minute = args.at(4).toInt32(exec);
t.second = args.at(5).toInt32(exec);
double ms = (n >= 7) ? args.at(6).toNumber(exec) : 0;
return jsNumber(exec, timeClip(gregorianDateTimeToMS(exec, t, ms, true)));
}
} // namespace JSC
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