/* * 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 "JSStringBuilder.h" #include "ObjectPrototype.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 EncodedJSValue JSC_HOST_CALL dateParse(ExecState*); static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*); static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*); DateConstructor::DateConstructor(ExecState* exec, JSGlobalObject* globalObject, Structure* structure, Structure* functionStructure, DatePrototype* datePrototype) : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, datePrototype->classInfo()->className)) { putDirectWithoutTransition(exec->globalData(), exec->propertyNames().prototype, datePrototype, DontEnum | DontDelete | ReadOnly); putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 1, exec->propertyNames().parse, dateParse), DontEnum); putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 7, exec->propertyNames().UTC, dateUTC), DontEnum); putDirectFunctionWithoutTransition(exec, new (exec) JSFunction(exec, globalObject, functionStructure, 0, exec->propertyNames().now, dateNow), DontEnum); putDirectWithoutTransition(exec->globalData(), exec->propertyNames().length, jsNumber(7), ReadOnly | DontEnum | DontDelete); } // 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 (isnan(doubleArguments[0]) || isnan(doubleArguments[1]) || (numArgs >= 3 && isnan(doubleArguments[2])) || (numArgs >= 4 && isnan(doubleArguments[3])) || (numArgs >= 5 && isnan(doubleArguments[4])) || (numArgs >= 6 && isnan(doubleArguments[5])) || (numArgs >= 7 && isnan(doubleArguments[6]))) value = NaN; else { GregorianDateTime t; int year = JSC::toInt32(doubleArguments[0]); t.year = (year >= 0 && year <= 99) ? year : year - 1900; t.month = JSC::toInt32(doubleArguments[1]); t.monthDay = (numArgs >= 3) ? JSC::toInt32(doubleArguments[2]) : 1; t.hour = JSC::toInt32(doubleArguments[3]); t.minute = JSC::toInt32(doubleArguments[4]); t.second = JSC::toInt32(doubleArguments[5]); t.isDST = -1; double ms = (numArgs >= 7) ? doubleArguments[6] : 0; value = gregorianDateTimeToMS(exec, t, ms, false); } } return new (exec) DateInstance(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(ConstructData& constructData) { constructData.native.function = constructWithDateConstructor; return ConstructTypeHost; } // ECMA 15.9.2 static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec) { 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 JSValue::encode(jsMakeNontrivialString(exec, date, " ", time)); } CallType DateConstructor::getCallData(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)))); } 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 (isnan(doubleArguments[0]) || isnan(doubleArguments[1]) || (n >= 3 && isnan(doubleArguments[2])) || (n >= 4 && isnan(doubleArguments[3])) || (n >= 5 && isnan(doubleArguments[4])) || (n >= 6 && isnan(doubleArguments[5])) || (n >= 7 && isnan(doubleArguments[6]))) return JSValue::encode(jsNaN()); GregorianDateTime t; int year = JSC::toInt32(doubleArguments[0]); t.year = (year >= 0 && year <= 99) ? year : year - 1900; t.month = JSC::toInt32(doubleArguments[1]); t.monthDay = (n >= 3) ? JSC::toInt32(doubleArguments[2]) : 1; t.hour = JSC::toInt32(doubleArguments[3]); t.minute = JSC::toInt32(doubleArguments[4]); t.second = JSC::toInt32(doubleArguments[5]); double ms = (n >= 7) ? doubleArguments[6] : 0; return JSValue::encode(jsNumber(timeClip(gregorianDateTimeToMS(exec, t, ms, true)))); } } // namespace JSC