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DatePrototype.cpp
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DatePrototype.cpp
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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.
* Copyright (C) 2008, 2009 Torch Mobile, 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 "DatePrototype.h"
#include "DateConversion.h"
#include "Error.h"
#include "JSString.h"
#include "ObjectPrototype.h"
#include "DateInstance.h"
#include <float.h>
#if !PLATFORM(MAC) && HAVE(LANGINFO_H)
#include <langinfo.h>
#endif
#include <limits.h>
#include <locale.h>
#include <math.h>
#include <time.h>
#include <wtf/Assertions.h>
#include <wtf/DateMath.h>
#include <wtf/MathExtras.h>
#include <wtf/StringExtras.h>
#include <wtf/UnusedParam.h>
#if HAVE(SYS_PARAM_H)
#include <sys/param.h>
#endif
#if HAVE(SYS_TIME_H)
#include <sys/time.h>
#endif
#if HAVE(SYS_TIMEB_H)
#include <sys/timeb.h>
#endif
#if PLATFORM(MAC)
#include <CoreFoundation/CoreFoundation.h>
#endif
#if PLATFORM(WINCE) && !PLATFORM(QT)
extern "C" size_t strftime(char * const s, const size_t maxsize, const char * const format, const struct tm * const t); //provided by libce
#endif
using namespace WTF;
namespace JSC {
ASSERT_CLASS_FITS_IN_CELL(DatePrototype);
static JSValue JSC_HOST_CALL dateProtoFuncGetDate(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetDay(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetFullYear(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetHours(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetMilliSeconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetMinutes(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetMonth(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetSeconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetTime(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetTimezoneOffset(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCDate(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCDay(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCFullYear(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCHours(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCMilliseconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCMinutes(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCMonth(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetUTCSeconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncGetYear(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetDate(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetFullYear(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetHours(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetMilliSeconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetMinutes(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetMonth(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetSeconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetTime(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCDate(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCFullYear(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCHours(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCMilliseconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCMinutes(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCMonth(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetUTCSeconds(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncSetYear(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToDateString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToGMTString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToLocaleDateString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToLocaleString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToLocaleTimeString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToTimeString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToUTCString(ExecState*, JSObject*, JSValue, const ArgList&);
static JSValue JSC_HOST_CALL dateProtoFuncToISOString(ExecState*, JSObject*, JSValue, const ArgList&);
}
#include "DatePrototype.lut.h"
namespace JSC {
enum LocaleDateTimeFormat { LocaleDateAndTime, LocaleDate, LocaleTime };
#if PLATFORM(MAC)
// FIXME: Since this is superior to the strftime-based version, why limit this to PLATFORM(MAC)?
// Instead we should consider using this whenever PLATFORM(CF) is true.
static CFDateFormatterStyle styleFromArgString(const UString& string, CFDateFormatterStyle defaultStyle)
{
if (string == "short")
return kCFDateFormatterShortStyle;
if (string == "medium")
return kCFDateFormatterMediumStyle;
if (string == "long")
return kCFDateFormatterLongStyle;
if (string == "full")
return kCFDateFormatterFullStyle;
return defaultStyle;
}
static JSCell* formatLocaleDate(ExecState* exec, DateInstance*, double timeInMilliseconds, LocaleDateTimeFormat format, const ArgList& args)
{
CFDateFormatterStyle dateStyle = (format != LocaleTime ? kCFDateFormatterLongStyle : kCFDateFormatterNoStyle);
CFDateFormatterStyle timeStyle = (format != LocaleDate ? kCFDateFormatterLongStyle : kCFDateFormatterNoStyle);
bool useCustomFormat = false;
UString customFormatString;
UString arg0String = args.at(0).toString(exec);
if (arg0String == "custom" && !args.at(1).isUndefined()) {
useCustomFormat = true;
customFormatString = args.at(1).toString(exec);
} else if (format == LocaleDateAndTime && !args.at(1).isUndefined()) {
dateStyle = styleFromArgString(arg0String, dateStyle);
timeStyle = styleFromArgString(args.at(1).toString(exec), timeStyle);
} else if (format != LocaleTime && !args.at(0).isUndefined())
dateStyle = styleFromArgString(arg0String, dateStyle);
else if (format != LocaleDate && !args.at(0).isUndefined())
timeStyle = styleFromArgString(arg0String, timeStyle);
CFLocaleRef locale = CFLocaleCopyCurrent();
CFDateFormatterRef formatter = CFDateFormatterCreate(0, locale, dateStyle, timeStyle);
CFRelease(locale);
if (useCustomFormat) {
CFStringRef customFormatCFString = CFStringCreateWithCharacters(0, customFormatString.data(), customFormatString.size());
CFDateFormatterSetFormat(formatter, customFormatCFString);
CFRelease(customFormatCFString);
}
CFStringRef string = CFDateFormatterCreateStringWithAbsoluteTime(0, formatter, floor(timeInMilliseconds / msPerSecond) - kCFAbsoluteTimeIntervalSince1970);
CFRelease(formatter);
// We truncate the string returned from CFDateFormatter if it's absurdly long (> 200 characters).
// That's not great error handling, but it just won't happen so it doesn't matter.
UChar buffer[200];
const size_t bufferLength = sizeof(buffer) / sizeof(buffer[0]);
size_t length = CFStringGetLength(string);
ASSERT(length <= bufferLength);
if (length > bufferLength)
length = bufferLength;
CFStringGetCharacters(string, CFRangeMake(0, length), buffer);
CFRelease(string);
return jsNontrivialString(exec, UString(buffer, length));
}
#else // !PLATFORM(MAC)
static JSCell* formatLocaleDate(ExecState* exec, const GregorianDateTime& gdt, LocaleDateTimeFormat format)
{
#if HAVE(LANGINFO_H)
static const nl_item formats[] = { D_T_FMT, D_FMT, T_FMT };
#elif PLATFORM(WINCE) && !PLATFORM(QT)
// strftime() we are using does not support #
static const char* const formatStrings[] = { "%c", "%x", "%X" };
#else
static const char* const formatStrings[] = { "%#c", "%#x", "%X" };
#endif
// Offset year if needed
struct tm localTM = gdt;
int year = gdt.year + 1900;
bool yearNeedsOffset = year < 1900 || year > 2038;
if (yearNeedsOffset)
localTM.tm_year = equivalentYearForDST(year) - 1900;
#if HAVE(LANGINFO_H)
// We do not allow strftime to generate dates with 2-digits years,
// both to avoid ambiguity, and a crash in strncpy, for years that
// need offset.
char* formatString = strdup(nl_langinfo(formats[format]));
char* yPos = strchr(formatString, 'y');
if (yPos)
*yPos = 'Y';
#endif
// Do the formatting
const int bufsize = 128;
char timebuffer[bufsize];
#if HAVE(LANGINFO_H)
size_t ret = strftime(timebuffer, bufsize, formatString, &localTM);
free(formatString);
#else
size_t ret = strftime(timebuffer, bufsize, formatStrings[format], &localTM);
#endif
if (ret == 0)
return jsEmptyString(exec);
// Copy original into the buffer
if (yearNeedsOffset && format != LocaleTime) {
static const int yearLen = 5; // FIXME will be a problem in the year 10,000
char yearString[yearLen];
snprintf(yearString, yearLen, "%d", localTM.tm_year + 1900);
char* yearLocation = strstr(timebuffer, yearString);
snprintf(yearString, yearLen, "%d", year);
strncpy(yearLocation, yearString, yearLen - 1);
}
return jsNontrivialString(exec, timebuffer);
}
static JSCell* formatLocaleDate(ExecState* exec, DateInstance* dateObject, double timeInMilliseconds, LocaleDateTimeFormat format, const ArgList&)
{
GregorianDateTime gregorianDateTime;
const bool notUTC = false;
dateObject->msToGregorianDateTime(timeInMilliseconds, notUTC, gregorianDateTime);
return formatLocaleDate(exec, gregorianDateTime, format);
}
#endif // !PLATFORM(MAC)
// Converts a list of arguments sent to a Date member function into milliseconds, updating
// ms (representing milliseconds) and t (representing the rest of the date structure) appropriately.
//
// Format of member function: f([hour,] [min,] [sec,] [ms])
static bool fillStructuresUsingTimeArgs(ExecState* exec, const ArgList& args, int maxArgs, double* ms, GregorianDateTime* t)
{
double milliseconds = 0;
bool ok = true;
int idx = 0;
int numArgs = args.size();
// JS allows extra trailing arguments -- ignore them
if (numArgs > maxArgs)
numArgs = maxArgs;
// hours
if (maxArgs >= 4 && idx < numArgs) {
t->hour = 0;
milliseconds += args.at(idx++).toInt32(exec, ok) * msPerHour;
}
// minutes
if (maxArgs >= 3 && idx < numArgs && ok) {
t->minute = 0;
milliseconds += args.at(idx++).toInt32(exec, ok) * msPerMinute;
}
// seconds
if (maxArgs >= 2 && idx < numArgs && ok) {
t->second = 0;
milliseconds += args.at(idx++).toInt32(exec, ok) * msPerSecond;
}
if (!ok)
return false;
// milliseconds
if (idx < numArgs) {
double millis = args.at(idx).toNumber(exec);
ok = isfinite(millis);
milliseconds += millis;
} else
milliseconds += *ms;
*ms = milliseconds;
return ok;
}
// Converts a list of arguments sent to a Date member function into years, months, and milliseconds, updating
// ms (representing milliseconds) and t (representing the rest of the date structure) appropriately.
//
// Format of member function: f([years,] [months,] [days])
static bool fillStructuresUsingDateArgs(ExecState *exec, const ArgList& args, int maxArgs, double *ms, GregorianDateTime *t)
{
int idx = 0;
bool ok = true;
int numArgs = args.size();
// JS allows extra trailing arguments -- ignore them
if (numArgs > maxArgs)
numArgs = maxArgs;
// years
if (maxArgs >= 3 && idx < numArgs)
t->year = args.at(idx++).toInt32(exec, ok) - 1900;
// months
if (maxArgs >= 2 && idx < numArgs && ok)
t->month = args.at(idx++).toInt32(exec, ok);
// days
if (idx < numArgs && ok) {
t->monthDay = 0;
*ms += args.at(idx).toInt32(exec, ok) * msPerDay;
}
return ok;
}
const ClassInfo DatePrototype::info = {"Date", &DateInstance::info, 0, ExecState::dateTable};
/* Source for DatePrototype.lut.h
@begin dateTable
toString dateProtoFuncToString DontEnum|Function 0
toISOString dateProtoFuncToISOString DontEnum|Function 0
toUTCString dateProtoFuncToUTCString DontEnum|Function 0
toDateString dateProtoFuncToDateString DontEnum|Function 0
toTimeString dateProtoFuncToTimeString DontEnum|Function 0
toLocaleString dateProtoFuncToLocaleString DontEnum|Function 0
toLocaleDateString dateProtoFuncToLocaleDateString DontEnum|Function 0
toLocaleTimeString dateProtoFuncToLocaleTimeString DontEnum|Function 0
valueOf dateProtoFuncGetTime DontEnum|Function 0
getTime dateProtoFuncGetTime DontEnum|Function 0
getFullYear dateProtoFuncGetFullYear DontEnum|Function 0
getUTCFullYear dateProtoFuncGetUTCFullYear DontEnum|Function 0
toGMTString dateProtoFuncToGMTString DontEnum|Function 0
getMonth dateProtoFuncGetMonth DontEnum|Function 0
getUTCMonth dateProtoFuncGetUTCMonth DontEnum|Function 0
getDate dateProtoFuncGetDate DontEnum|Function 0
getUTCDate dateProtoFuncGetUTCDate DontEnum|Function 0
getDay dateProtoFuncGetDay DontEnum|Function 0
getUTCDay dateProtoFuncGetUTCDay DontEnum|Function 0
getHours dateProtoFuncGetHours DontEnum|Function 0
getUTCHours dateProtoFuncGetUTCHours DontEnum|Function 0
getMinutes dateProtoFuncGetMinutes DontEnum|Function 0
getUTCMinutes dateProtoFuncGetUTCMinutes DontEnum|Function 0
getSeconds dateProtoFuncGetSeconds DontEnum|Function 0
getUTCSeconds dateProtoFuncGetUTCSeconds DontEnum|Function 0
getMilliseconds dateProtoFuncGetMilliSeconds DontEnum|Function 0
getUTCMilliseconds dateProtoFuncGetUTCMilliseconds DontEnum|Function 0
getTimezoneOffset dateProtoFuncGetTimezoneOffset DontEnum|Function 0
setTime dateProtoFuncSetTime DontEnum|Function 1
setMilliseconds dateProtoFuncSetMilliSeconds DontEnum|Function 1
setUTCMilliseconds dateProtoFuncSetUTCMilliseconds DontEnum|Function 1
setSeconds dateProtoFuncSetSeconds DontEnum|Function 2
setUTCSeconds dateProtoFuncSetUTCSeconds DontEnum|Function 2
setMinutes dateProtoFuncSetMinutes DontEnum|Function 3
setUTCMinutes dateProtoFuncSetUTCMinutes DontEnum|Function 3
setHours dateProtoFuncSetHours DontEnum|Function 4
setUTCHours dateProtoFuncSetUTCHours DontEnum|Function 4
setDate dateProtoFuncSetDate DontEnum|Function 1
setUTCDate dateProtoFuncSetUTCDate DontEnum|Function 1
setMonth dateProtoFuncSetMonth DontEnum|Function 2
setUTCMonth dateProtoFuncSetUTCMonth DontEnum|Function 2
setFullYear dateProtoFuncSetFullYear DontEnum|Function 3
setUTCFullYear dateProtoFuncSetUTCFullYear DontEnum|Function 3
setYear dateProtoFuncSetYear DontEnum|Function 1
getYear dateProtoFuncGetYear DontEnum|Function 0
@end
*/
// ECMA 15.9.4
DatePrototype::DatePrototype(ExecState* exec, PassRefPtr<Structure> structure)
: DateInstance(structure)
{
setInternalValue(jsNaN(exec));
// The constructor will be added later, after DateConstructor has been built.
}
bool DatePrototype::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
{
return getStaticFunctionSlot<JSObject>(exec, ExecState::dateTable(exec), this, propertyName, slot);
}
// Functions
JSValue JSC_HOST_CALL dateProtoFuncToString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNontrivialString(exec, formatDate(t) + " " + formatTime(t, utc));
}
JSValue JSC_HOST_CALL dateProtoFuncToUTCString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNontrivialString(exec, formatDateUTCVariant(t) + " " + formatTime(t, utc));
}
JSValue JSC_HOST_CALL dateProtoFuncToISOString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (!isfinite(milli))
return jsNontrivialString(exec, "Invalid Date");
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
// Maximum amount of space we need in buffer: 6 (max. digits in year) + 2 * 5 (2 characters each for month, day, hour, minute, second)
// 6 for formatting and one for null termination = 23. We add one extra character to allow us to force null termination.
char buffer[24];
snprintf(buffer, sizeof(buffer) - 1, "%04d-%02d-%02dT%02d:%02d:%02dZ", 1900 + t.year, t.month + 1, t.monthDay, t.hour, t.minute, t.second);
buffer[sizeof(buffer) - 1] = 0;
return jsNontrivialString(exec, buffer);
}
JSValue JSC_HOST_CALL dateProtoFuncToDateString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNontrivialString(exec, formatDate(t));
}
JSValue JSC_HOST_CALL dateProtoFuncToTimeString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNontrivialString(exec, formatTime(t, utc));
}
JSValue JSC_HOST_CALL dateProtoFuncToLocaleString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
return formatLocaleDate(exec, thisDateObj, milli, LocaleDateAndTime, args);
}
JSValue JSC_HOST_CALL dateProtoFuncToLocaleDateString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
return formatLocaleDate(exec, thisDateObj, milli, LocaleDate, args);
}
JSValue JSC_HOST_CALL dateProtoFuncToLocaleTimeString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
return formatLocaleDate(exec, thisDateObj, milli, LocaleTime, args);
}
JSValue JSC_HOST_CALL dateProtoFuncGetTime(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
return jsNumber(exec, milli);
}
JSValue JSC_HOST_CALL dateProtoFuncGetFullYear(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, 1900 + t.year);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCFullYear(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, 1900 + t.year);
}
JSValue JSC_HOST_CALL dateProtoFuncToGMTString(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNontrivialString(exec, "Invalid Date");
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNontrivialString(exec, formatDateUTCVariant(t) + " " + formatTime(t, utc));
}
JSValue JSC_HOST_CALL dateProtoFuncGetMonth(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.month);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCMonth(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.month);
}
JSValue JSC_HOST_CALL dateProtoFuncGetDate(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.monthDay);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCDate(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.monthDay);
}
JSValue JSC_HOST_CALL dateProtoFuncGetDay(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.weekDay);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCDay(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.weekDay);
}
JSValue JSC_HOST_CALL dateProtoFuncGetHours(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.hour);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCHours(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.hour);
}
JSValue JSC_HOST_CALL dateProtoFuncGetMinutes(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.minute);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCMinutes(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.minute);
}
JSValue JSC_HOST_CALL dateProtoFuncGetSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.second);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = true;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, t.second);
}
JSValue JSC_HOST_CALL dateProtoFuncGetMilliSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
return jsNumber(exec, ms);
}
JSValue JSC_HOST_CALL dateProtoFuncGetUTCMilliseconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
return jsNumber(exec, ms);
}
JSValue JSC_HOST_CALL dateProtoFuncGetTimezoneOffset(ExecState* exec, JSObject*, JSValue thisValue, const ArgList&)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
const bool utc = false;
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (isnan(milli))
return jsNaN(exec);
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, utc, t);
return jsNumber(exec, -gmtoffset(t) / minutesPerHour);
}
JSValue JSC_HOST_CALL dateProtoFuncSetTime(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = timeClip(args.at(0).toNumber(exec));
JSValue result = jsNumber(exec, milli);
thisDateObj->setInternalValue(result);
return result;
}
static JSValue setNewValueFromTimeArgs(ExecState* exec, JSValue thisValue, const ArgList& args, int numArgsToUse, bool inputIsUTC)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
double milli = thisDateObj->internalNumber();
if (args.isEmpty() || isnan(milli)) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
double secs = floor(milli / msPerSecond);
double ms = milli - secs * msPerSecond;
GregorianDateTime t;
thisDateObj->msToGregorianDateTime(milli, inputIsUTC, t);
if (!fillStructuresUsingTimeArgs(exec, args, numArgsToUse, &ms, &t)) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
JSValue result = jsNumber(exec, gregorianDateTimeToMS(t, ms, inputIsUTC));
thisDateObj->setInternalValue(result);
return result;
}
static JSValue setNewValueFromDateArgs(ExecState* exec, JSValue thisValue, const ArgList& args, int numArgsToUse, bool inputIsUTC)
{
if (!thisValue.isObject(&DateInstance::info))
return throwError(exec, TypeError);
DateInstance* thisDateObj = asDateInstance(thisValue);
if (args.isEmpty()) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
double milli = thisDateObj->internalNumber();
double ms = 0;
GregorianDateTime t;
if (numArgsToUse == 3 && isnan(milli))
// Based on ECMA 262 15.9.5.40 - .41 (set[UTC]FullYear)
// the time must be reset to +0 if it is NaN.
thisDateObj->msToGregorianDateTime(0, true, t);
else {
double secs = floor(milli / msPerSecond);
ms = milli - secs * msPerSecond;
thisDateObj->msToGregorianDateTime(milli, inputIsUTC, t);
}
if (!fillStructuresUsingDateArgs(exec, args, numArgsToUse, &ms, &t)) {
JSValue result = jsNaN(exec);
thisDateObj->setInternalValue(result);
return result;
}
JSValue result = jsNumber(exec, gregorianDateTimeToMS(t, ms, inputIsUTC));
thisDateObj->setInternalValue(result);
return result;
}
JSValue JSC_HOST_CALL dateProtoFuncSetMilliSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = false;
return setNewValueFromTimeArgs(exec, thisValue, args, 1, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetUTCMilliseconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = true;
return setNewValueFromTimeArgs(exec, thisValue, args, 1, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = false;
return setNewValueFromTimeArgs(exec, thisValue, args, 2, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetUTCSeconds(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = true;
return setNewValueFromTimeArgs(exec, thisValue, args, 2, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetMinutes(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = false;
return setNewValueFromTimeArgs(exec, thisValue, args, 3, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetUTCMinutes(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = true;
return setNewValueFromTimeArgs(exec, thisValue, args, 3, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetHours(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = false;
return setNewValueFromTimeArgs(exec, thisValue, args, 4, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetUTCHours(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = true;
return setNewValueFromTimeArgs(exec, thisValue, args, 4, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetDate(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = false;
return setNewValueFromDateArgs(exec, thisValue, args, 1, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetUTCDate(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = true;
return setNewValueFromDateArgs(exec, thisValue, args, 1, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetMonth(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)
{
const bool inputIsUTC = false;
return setNewValueFromDateArgs(exec, thisValue, args, 2, inputIsUTC);
}
JSValue JSC_HOST_CALL dateProtoFuncSetUTCMonth(ExecState* exec, JSObject*, JSValue thisValue, const ArgList& args)