1 | /* |
2 | * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) |
3 | * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
4 | * |
5 | * This library is free software; you can redistribute it and/or |
6 | * modify it under the terms of the GNU Lesser General Public |
7 | * License as published by the Free Software Foundation; either |
8 | * version 2 of the License, or (at your option) any later version. |
9 | * |
10 | * This library is distributed in the hope that it will be useful, |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | * Lesser General Public License for more details. |
14 | * |
15 | * You should have received a copy of the GNU Lesser General Public |
16 | * License along with this library; if not, write to the Free Software |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
18 | * USA |
19 | * |
20 | */ |
21 | |
22 | #include "config.h" |
23 | #include "DateConstructor.h" |
24 | |
25 | #include "DateConversion.h" |
26 | #include "DateInstance.h" |
27 | #include "DatePrototype.h" |
28 | #include "JSFunction.h" |
29 | #include "JSGlobalObject.h" |
30 | #include "JSString.h" |
31 | #include "ObjectPrototype.h" |
32 | #include "PrototypeFunction.h" |
33 | #include <time.h> |
34 | #include <wtf/DateMath.h> |
35 | #include <wtf/MathExtras.h> |
36 | |
37 | #if OS(WINCE) && !PLATFORM(QT) |
38 | extern "C" time_t time(time_t* timer); // Provided by libce. |
39 | #endif |
40 | |
41 | #if HAVE(SYS_TIME_H) |
42 | #include <sys/time.h> |
43 | #endif |
44 | |
45 | #if HAVE(SYS_TIMEB_H) |
46 | #include <sys/timeb.h> |
47 | #endif |
48 | |
49 | using namespace WTF; |
50 | |
51 | namespace JSC { |
52 | |
53 | ASSERT_CLASS_FITS_IN_CELL(DateConstructor); |
54 | |
55 | static JSValue JSC_HOST_CALL dateParse(ExecState*, JSObject*, JSValue, const ArgList&); |
56 | static JSValue JSC_HOST_CALL dateNow(ExecState*, JSObject*, JSValue, const ArgList&); |
57 | static JSValue JSC_HOST_CALL dateUTC(ExecState*, JSObject*, JSValue, const ArgList&); |
58 | |
59 | DateConstructor::DateConstructor(ExecState* exec, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure, DatePrototype* datePrototype) |
60 | : InternalFunction(&exec->globalData(), structure, Identifier(exec, datePrototype->classInfo()->className)) |
61 | { |
62 | putDirectWithoutTransition(propertyName: exec->propertyNames().prototype, value: datePrototype, attributes: DontEnum|DontDelete|ReadOnly); |
63 | |
64 | putDirectFunctionWithoutTransition(exec, function: new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 1, exec->propertyNames().parse, dateParse), attr: DontEnum); |
65 | putDirectFunctionWithoutTransition(exec, function: new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 7, exec->propertyNames().UTC, dateUTC), attr: DontEnum); |
66 | putDirectFunctionWithoutTransition(exec, function: new (exec) NativeFunctionWrapper(exec, prototypeFunctionStructure, 0, exec->propertyNames().now, dateNow), attr: DontEnum); |
67 | |
68 | putDirectWithoutTransition(propertyName: exec->propertyNames().length, value: jsNumber(exec, i: 7), attributes: ReadOnly | DontEnum | DontDelete); |
69 | } |
70 | |
71 | // ECMA 15.9.3 |
72 | JSObject* constructDate(ExecState* exec, const ArgList& args) |
73 | { |
74 | int numArgs = args.size(); |
75 | |
76 | double value; |
77 | |
78 | if (numArgs == 0) // new Date() ECMA 15.9.3.3 |
79 | value = jsCurrentTime(); |
80 | else if (numArgs == 1) { |
81 | if (args.at(idx: 0).inherits(classInfo: &DateInstance::info)) |
82 | value = asDateInstance(value: args.at(idx: 0))->internalNumber(); |
83 | else { |
84 | JSValue primitive = args.at(idx: 0).toPrimitive(exec); |
85 | if (primitive.isString()) |
86 | value = parseDate(exec, primitive.getString(exec)); |
87 | else |
88 | value = primitive.toNumber(exec); |
89 | } |
90 | } else { |
91 | if (std::isnan(x: args.at(idx: 0).toNumber(exec)) |
92 | || std::isnan(x: args.at(idx: 1).toNumber(exec)) |
93 | || (numArgs >= 3 && std::isnan(x: args.at(idx: 2).toNumber(exec))) |
94 | || (numArgs >= 4 && std::isnan(x: args.at(idx: 3).toNumber(exec))) |
95 | || (numArgs >= 5 && std::isnan(x: args.at(idx: 4).toNumber(exec))) |
96 | || (numArgs >= 6 && std::isnan(x: args.at(idx: 5).toNumber(exec))) |
97 | || (numArgs >= 7 && std::isnan(x: args.at(idx: 6).toNumber(exec)))) |
98 | value = NaN; |
99 | else { |
100 | GregorianDateTime t; |
101 | int year = args.at(idx: 0).toInt32(exec); |
102 | t.year = (year >= 0 && year <= 99) ? year : year - 1900; |
103 | t.month = args.at(idx: 1).toInt32(exec); |
104 | t.monthDay = (numArgs >= 3) ? args.at(idx: 2).toInt32(exec) : 1; |
105 | t.hour = args.at(idx: 3).toInt32(exec); |
106 | t.minute = args.at(idx: 4).toInt32(exec); |
107 | t.second = args.at(idx: 5).toInt32(exec); |
108 | t.isDST = -1; |
109 | double ms = (numArgs >= 7) ? args.at(idx: 6).toNumber(exec) : 0; |
110 | value = gregorianDateTimeToMS(exec, t, ms, inputIsUTC: false); |
111 | } |
112 | } |
113 | |
114 | return new (exec) DateInstance(exec, value); |
115 | } |
116 | |
117 | static JSObject* constructWithDateConstructor(ExecState* exec, JSObject*, const ArgList& args) |
118 | { |
119 | return constructDate(exec, args); |
120 | } |
121 | |
122 | ConstructType DateConstructor::getConstructData(ConstructData& constructData) |
123 | { |
124 | constructData.native.function = constructWithDateConstructor; |
125 | return ConstructTypeHost; |
126 | } |
127 | |
128 | // ECMA 15.9.2 |
129 | static JSValue JSC_HOST_CALL callDate(ExecState* exec, JSObject*, JSValue, const ArgList&) |
130 | { |
131 | GregorianDateTime ts; |
132 | msToGregorianDateTime(exec, currentTimeMS(), outputIsUTC: false, ts); |
133 | DateConversionBuffer date; |
134 | DateConversionBuffer time; |
135 | formatDate(ts, date); |
136 | formatTime(ts, time); |
137 | return jsNontrivialString(exec, s: makeString(string1: date, string2: " " , string3: time)); |
138 | } |
139 | |
140 | CallType DateConstructor::getCallData(CallData& callData) |
141 | { |
142 | callData.native.function = callDate; |
143 | return CallTypeHost; |
144 | } |
145 | |
146 | static JSValue JSC_HOST_CALL dateParse(ExecState* exec, JSObject*, JSValue, const ArgList& args) |
147 | { |
148 | return jsNumber(exec, d: parseDate(exec, args.at(idx: 0).toString(exec))); |
149 | } |
150 | |
151 | static JSValue JSC_HOST_CALL dateNow(ExecState* exec, JSObject*, JSValue, const ArgList&) |
152 | { |
153 | return jsNumber(exec, d: jsCurrentTime()); |
154 | } |
155 | |
156 | static JSValue JSC_HOST_CALL dateUTC(ExecState* exec, JSObject*, JSValue, const ArgList& args) |
157 | { |
158 | int n = args.size(); |
159 | if (std::isnan(x: args.at(idx: 0).toNumber(exec)) |
160 | || std::isnan(x: args.at(idx: 1).toNumber(exec)) |
161 | || (n >= 3 && std::isnan(x: args.at(idx: 2).toNumber(exec))) |
162 | || (n >= 4 && std::isnan(x: args.at(idx: 3).toNumber(exec))) |
163 | || (n >= 5 && std::isnan(x: args.at(idx: 4).toNumber(exec))) |
164 | || (n >= 6 && std::isnan(x: args.at(idx: 5).toNumber(exec))) |
165 | || (n >= 7 && std::isnan(x: args.at(idx: 6).toNumber(exec)))) |
166 | return jsNaN(exec); |
167 | |
168 | GregorianDateTime t; |
169 | int year = args.at(idx: 0).toInt32(exec); |
170 | t.year = (year >= 0 && year <= 99) ? year : year - 1900; |
171 | t.month = args.at(idx: 1).toInt32(exec); |
172 | t.monthDay = (n >= 3) ? args.at(idx: 2).toInt32(exec) : 1; |
173 | t.hour = args.at(idx: 3).toInt32(exec); |
174 | t.minute = args.at(idx: 4).toInt32(exec); |
175 | t.second = args.at(idx: 5).toInt32(exec); |
176 | double ms = (n >= 7) ? args.at(idx: 6).toNumber(exec) : 0; |
177 | return jsNumber(exec, d: timeClip(gregorianDateTimeToMS(exec, t, ms, inputIsUTC: true))); |
178 | } |
179 | |
180 | } // namespace JSC |
181 | |