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1 /* |
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2 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) |
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3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. |
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4 * |
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5 * This library is free software; you can redistribute it and/or |
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6 * modify it under the terms of the GNU Lesser General Public |
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7 * License as published by the Free Software Foundation; either |
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8 * version 2 of the License, or (at your option) any later version. |
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9 * |
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10 * This library is distributed in the hope that it will be useful, |
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11 * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 * Lesser General Public License for more details. |
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14 * |
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15 * You should have received a copy of the GNU Lesser General Public |
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16 * License along with this library; if not, write to the Free Software |
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17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 |
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18 * USA |
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19 * |
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20 */ |
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21 |
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22 #include "config.h" |
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23 #include "DateConstructor.h" |
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24 |
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25 #include "DateConversion.h" |
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26 #include "DateInstance.h" |
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27 #include "DatePrototype.h" |
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28 #include "JSFunction.h" |
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29 #include "JSGlobalObject.h" |
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30 #include "JSString.h" |
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31 #include "JSStringBuilder.h" |
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32 #include "ObjectPrototype.h" |
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33 #include "PrototypeFunction.h" |
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34 #include <math.h> |
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35 #include <time.h> |
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36 #include <wtf/DateMath.h> |
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37 #include <wtf/MathExtras.h> |
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38 |
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39 #if OS(WINCE) && !PLATFORM(QT) |
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40 extern "C" time_t time(time_t* timer); // Provided by libce. |
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41 #endif |
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42 |
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43 #if HAVE(SYS_TIME_H) |
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44 #include <sys/time.h> |
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45 #endif |
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46 |
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47 #if HAVE(SYS_TIMEB_H) |
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48 #include <sys/timeb.h> |
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49 #endif |
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50 |
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51 using namespace WTF; |
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52 |
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53 namespace JSC { |
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54 |
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55 ASSERT_CLASS_FITS_IN_CELL(DateConstructor); |
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56 |
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57 static EncodedJSValue JSC_HOST_CALL dateParse(ExecState*); |
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58 static EncodedJSValue JSC_HOST_CALL dateNow(ExecState*); |
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59 static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState*); |
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60 |
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61 DateConstructor::DateConstructor(ExecState* exec, JSGlobalObject* globalObject, NonNullPassRefPtr<Structure> structure, Structure* prototypeFunctionStructure, DatePrototype* datePrototype) |
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62 : InternalFunction(&exec->globalData(), globalObject, structure, Identifier(exec, datePrototype->classInfo()->className)) |
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63 { |
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64 putDirectWithoutTransition(exec->propertyNames().prototype, datePrototype, DontEnum|DontDelete|ReadOnly); |
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65 |
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66 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 1, exec->propertyNames().parse, dateParse), DontEnum); |
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67 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 7, exec->propertyNames().UTC, dateUTC), DontEnum); |
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68 putDirectFunctionWithoutTransition(exec, new (exec) NativeFunctionWrapper(exec, globalObject, prototypeFunctionStructure, 0, exec->propertyNames().now, dateNow), DontEnum); |
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69 |
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70 putDirectWithoutTransition(exec->propertyNames().length, jsNumber(exec, 7), ReadOnly | DontEnum | DontDelete); |
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71 } |
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72 |
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73 // ECMA 15.9.3 |
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74 JSObject* constructDate(ExecState* exec, const ArgList& args) |
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75 { |
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76 int numArgs = args.size(); |
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77 |
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78 double value; |
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79 |
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80 if (numArgs == 0) // new Date() ECMA 15.9.3.3 |
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81 value = jsCurrentTime(); |
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82 else if (numArgs == 1) { |
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83 if (args.at(0).inherits(&DateInstance::info)) |
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84 value = asDateInstance(args.at(0))->internalNumber(); |
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85 else { |
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86 JSValue primitive = args.at(0).toPrimitive(exec); |
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87 if (primitive.isString()) |
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88 value = parseDate(exec, primitive.getString(exec)); |
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89 else |
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90 value = primitive.toNumber(exec); |
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91 } |
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92 } else { |
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93 if (isnan(args.at(0).toNumber(exec)) |
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94 || isnan(args.at(1).toNumber(exec)) |
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95 || (numArgs >= 3 && isnan(args.at(2).toNumber(exec))) |
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96 || (numArgs >= 4 && isnan(args.at(3).toNumber(exec))) |
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97 || (numArgs >= 5 && isnan(args.at(4).toNumber(exec))) |
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98 || (numArgs >= 6 && isnan(args.at(5).toNumber(exec))) |
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99 || (numArgs >= 7 && isnan(args.at(6).toNumber(exec)))) |
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100 value = NaN; |
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101 else { |
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102 GregorianDateTime t; |
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103 int year = args.at(0).toInt32(exec); |
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104 t.year = (year >= 0 && year <= 99) ? year : year - 1900; |
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105 t.month = args.at(1).toInt32(exec); |
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106 t.monthDay = (numArgs >= 3) ? args.at(2).toInt32(exec) : 1; |
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107 t.hour = args.at(3).toInt32(exec); |
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108 t.minute = args.at(4).toInt32(exec); |
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109 t.second = args.at(5).toInt32(exec); |
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110 t.isDST = -1; |
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111 double ms = (numArgs >= 7) ? args.at(6).toNumber(exec) : 0; |
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112 value = gregorianDateTimeToMS(exec, t, ms, false); |
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113 } |
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114 } |
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115 |
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116 return new (exec) DateInstance(exec, value); |
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117 } |
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118 |
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119 static EncodedJSValue JSC_HOST_CALL constructWithDateConstructor(ExecState* exec) |
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120 { |
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121 ArgList args(exec); |
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122 return JSValue::encode(constructDate(exec, args)); |
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123 } |
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124 |
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125 ConstructType DateConstructor::getConstructData(ConstructData& constructData) |
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126 { |
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127 constructData.native.function = constructWithDateConstructor; |
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128 return ConstructTypeHost; |
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129 } |
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130 |
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131 // ECMA 15.9.2 |
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132 static EncodedJSValue JSC_HOST_CALL callDate(ExecState* exec) |
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133 { |
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134 time_t localTime = time(0); |
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135 tm localTM; |
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136 getLocalTime(&localTime, &localTM); |
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137 GregorianDateTime ts(exec, localTM); |
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138 DateConversionBuffer date; |
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139 DateConversionBuffer time; |
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140 formatDate(ts, date); |
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141 formatTime(ts, time); |
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142 return JSValue::encode(jsMakeNontrivialString(exec, date, " ", time)); |
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143 } |
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144 |
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145 CallType DateConstructor::getCallData(CallData& callData) |
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146 { |
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147 callData.native.function = callDate; |
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148 return CallTypeHost; |
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149 } |
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150 |
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151 static EncodedJSValue JSC_HOST_CALL dateParse(ExecState* exec) |
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152 { |
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153 return JSValue::encode(jsNumber(exec, parseDate(exec, exec->argument(0).toString(exec)))); |
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154 } |
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155 |
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156 static EncodedJSValue JSC_HOST_CALL dateNow(ExecState* exec) |
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157 { |
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158 return JSValue::encode(jsNumber(exec, jsCurrentTime())); |
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159 } |
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160 |
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161 static EncodedJSValue JSC_HOST_CALL dateUTC(ExecState* exec) |
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162 { |
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163 int n = exec->argumentCount(); |
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164 if (isnan(exec->argument(0).toNumber(exec)) |
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165 || isnan(exec->argument(1).toNumber(exec)) |
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166 || (n >= 3 && isnan(exec->argument(2).toNumber(exec))) |
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167 || (n >= 4 && isnan(exec->argument(3).toNumber(exec))) |
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168 || (n >= 5 && isnan(exec->argument(4).toNumber(exec))) |
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169 || (n >= 6 && isnan(exec->argument(5).toNumber(exec))) |
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170 || (n >= 7 && isnan(exec->argument(6).toNumber(exec)))) |
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171 return JSValue::encode(jsNaN(exec)); |
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172 |
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173 GregorianDateTime t; |
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174 int year = exec->argument(0).toInt32(exec); |
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175 t.year = (year >= 0 && year <= 99) ? year : year - 1900; |
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176 t.month = exec->argument(1).toInt32(exec); |
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177 t.monthDay = (n >= 3) ? exec->argument(2).toInt32(exec) : 1; |
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178 t.hour = exec->argument(3).toInt32(exec); |
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179 t.minute = exec->argument(4).toInt32(exec); |
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180 t.second = exec->argument(5).toInt32(exec); |
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181 double ms = (n >= 7) ? exec->argument(6).toNumber(exec) : 0; |
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182 return JSValue::encode(jsNumber(exec, timeClip(gregorianDateTimeToMS(exec, t, ms, true)))); |
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183 } |
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184 |
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185 } // namespace JSC |