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<div class="title">date_object.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// -*- c-basic-offset: 2 -*-</span>
<a name="l00002"></a>00002 <span class="comment">/*</span>
<a name="l00003"></a>00003 <span class="comment"> * This file is part of the KDE libraries</span>
<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 1999-2005 Harri Porten (porten@kde.org)</span>
<a name="l00005"></a>00005 <span class="comment"> * Copyright (C) 2004 Apple Computer, Inc.</span>
<a name="l00006"></a>00006 <span class="comment"> *</span>
<a name="l00007"></a>00007 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
<a name="l00008"></a>00008 <span class="comment"> * modify it under the terms of the GNU Lesser General Public</span>
<a name="l00009"></a>00009 <span class="comment"> * License as published by the Free Software Foundation; either</span>
<a name="l00010"></a>00010 <span class="comment"> * version 2 of the License, or (at your option) any later version.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * This library is distributed in the hope that it will be useful,</span>
<a name="l00013"></a>00013 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00014"></a>00014 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00015"></a>00015 <span class="comment"> * Lesser General Public License for more details.</span>
<a name="l00016"></a>00016 <span class="comment"> *</span>
<a name="l00017"></a>00017 <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span>
<a name="l00018"></a>00018 <span class="comment"> * License along with this library; if not, write to the Free Software</span>
<a name="l00019"></a>00019 <span class="comment"> * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA</span>
<a name="l00020"></a>00020 <span class="comment"> *</span>
<a name="l00021"></a>00021 <span class="comment"> */</span>
<a name="l00022"></a>00022
<a name="l00023"></a>00023 <span class="preprocessor">#ifdef HAVE_CONFIG_H</span>
<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#include <config.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#endif</span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="preprocessor">#if TIME_WITH_SYS_TIME</span>
<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor"># include <sys/time.h></span>
<a name="l00029"></a>00029 <span class="preprocessor"># include <time.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#else</span>
<a name="l00031"></a>00031 <span class="preprocessor"></span><span class="preprocessor">#if HAVE_SYS_TIME_H</span>
<a name="l00032"></a>00032 <span class="preprocessor"></span><span class="preprocessor">#include <sys/time.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#else</span>
<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor"># include <time.h></span>
<a name="l00035"></a>00035 <span class="preprocessor"># endif</span>
<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#ifdef HAVE_SYS_TIMEB_H</span>
<a name="l00038"></a>00038 <span class="preprocessor"></span><span class="preprocessor">#include <sys/timeb.h></span>
<a name="l00039"></a>00039 <span class="preprocessor">#endif</span>
<a name="l00040"></a>00040 <span class="preprocessor"></span>
<a name="l00041"></a>00041 <span class="preprocessor">#include <errno.h></span>
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="preprocessor">#ifdef HAVE_SYS_PARAM_H</span>
<a name="l00044"></a>00044 <span class="preprocessor"></span><span class="preprocessor"># include <sys/param.h></span>
<a name="l00045"></a>00045 <span class="preprocessor">#endif // HAVE_SYS_PARAM_H</span>
<a name="l00046"></a>00046 <span class="preprocessor"></span>
<a name="l00047"></a>00047 <span class="preprocessor">#include <math.h></span>
<a name="l00048"></a>00048 <span class="preprocessor">#include <string.h></span>
<a name="l00049"></a>00049 <span class="preprocessor">#ifdef HAVE_STRINGS_H</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span><span class="preprocessor"># include <strings.h></span>
<a name="l00051"></a>00051 <span class="preprocessor">#endif</span>
<a name="l00052"></a>00052 <span class="preprocessor"></span><span class="preprocessor">#include <stdio.h></span>
<a name="l00053"></a>00053 <span class="preprocessor">#include <stdlib.h></span>
<a name="l00054"></a>00054 <span class="preprocessor">#include <locale.h></span>
<a name="l00055"></a>00055 <span class="preprocessor">#include <ctype.h></span>
<a name="l00056"></a>00056 <span class="preprocessor">#include <assert.h></span>
<a name="l00057"></a>00057 <span class="preprocessor">#include <limits.h></span>
<a name="l00058"></a>00058
<a name="l00059"></a>00059 <span class="preprocessor">#include "date_object.h"</span>
<a name="l00060"></a>00060 <span class="preprocessor">#include "error_object.h"</span>
<a name="l00061"></a>00061 <span class="preprocessor">#include "operations.h"</span>
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="preprocessor">#include "date_object.lut.h"</span>
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <span class="preprocessor">#ifdef _MSC_VER</span>
<a name="l00066"></a>00066 <span class="preprocessor"></span><span class="preprocessor"># define strncasecmp(a,b,c) _strnicmp(a,b,c)</span>
<a name="l00067"></a>00067 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00068"></a>00068 <span class="preprocessor"></span>
<a name="l00069"></a>00069 <span class="keyword">using namespace </span>KJS;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="comment">// come constants</span>
<a name="l00072"></a>00072 <span class="keyword">const</span> time_t invalidDate = LONG_MIN;
<a name="l00073"></a>00073 <span class="keyword">const</span> <span class="keywordtype">double</span> hoursPerDay = 24;
<a name="l00074"></a>00074 <span class="keyword">const</span> <span class="keywordtype">double</span> minutesPerHour = 60;
<a name="l00075"></a>00075 <span class="keyword">const</span> <span class="keywordtype">double</span> secondsPerMinute = 60;
<a name="l00076"></a>00076 <span class="keyword">const</span> <span class="keywordtype">double</span> msPerSecond = 1000;
<a name="l00077"></a>00077 <span class="keyword">const</span> <span class="keywordtype">double</span> msPerMinute = msPerSecond * secondsPerMinute;
<a name="l00078"></a>00078 <span class="keyword">const</span> <span class="keywordtype">double</span> msPerHour = msPerMinute * minutesPerHour;
<a name="l00079"></a>00079 <span class="keyword">const</span> <span class="keywordtype">double</span> msPerDay = msPerHour * hoursPerDay;
<a name="l00080"></a>00080 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> weekdayName[7] = { <span class="stringliteral">"Mon"</span>, <span class="stringliteral">"Tue"</span>, <span class="stringliteral">"Wed"</span>, <span class="stringliteral">"Thu"</span>, <span class="stringliteral">"Fri"</span>, <span class="stringliteral">"Sat"</span>, <span class="stringliteral">"Sun"</span> };
<a name="l00081"></a>00081 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> * <span class="keyword">const</span> monthName[12] = { <span class="stringliteral">"Jan"</span>, <span class="stringliteral">"Feb"</span>, <span class="stringliteral">"Mar"</span>, <span class="stringliteral">"Apr"</span>, <span class="stringliteral">"May"</span>, <span class="stringliteral">"Jun"</span>, <span class="stringliteral">"Jul"</span>, <span class="stringliteral">"Aug"</span>, <span class="stringliteral">"Sep"</span>, <span class="stringliteral">"Oct"</span>, <span class="stringliteral">"Nov"</span>, <span class="stringliteral">"Dec"</span> };
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <span class="keyword">static</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> formatDate(<span class="keyword">struct</span> tm &tm)
<a name="l00084"></a>00084 {
<a name="l00085"></a>00085 <span class="keywordtype">char</span> buffer[100];
<a name="l00086"></a>00086 snprintf(buffer, <span class="keyword">sizeof</span>(buffer), <span class="stringliteral">"%s %s %02d %04d"</span>,
<a name="l00087"></a>00087 weekdayName[(tm.tm_wday + 6) % 7],
<a name="l00088"></a>00088 monthName[tm.tm_mon], tm.tm_mday, tm.tm_year + 1900);
<a name="l00089"></a>00089 <span class="keywordflow">return</span> buffer;
<a name="l00090"></a>00090 }
<a name="l00091"></a>00091
<a name="l00092"></a>00092 <span class="keyword">static</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> formatDateUTCVariant(<span class="keyword">struct</span> tm &tm)
<a name="l00093"></a>00093 {
<a name="l00094"></a>00094 <span class="keywordtype">char</span> buffer[100];
<a name="l00095"></a>00095 snprintf(buffer, <span class="keyword">sizeof</span>(buffer), <span class="stringliteral">"%s, %02d %s %04d"</span>,
<a name="l00096"></a>00096 weekdayName[(tm.tm_wday + 6) % 7],
<a name="l00097"></a>00097 tm.tm_mday, monthName[tm.tm_mon], tm.tm_year + 1900);
<a name="l00098"></a>00098 <span class="keywordflow">return</span> buffer;
<a name="l00099"></a>00099 }
<a name="l00100"></a>00100
<a name="l00101"></a>00101 <span class="keyword">static</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> formatTime(<span class="keyword">struct</span> tm &tm)
<a name="l00102"></a>00102 {
<a name="l00103"></a>00103 <span class="keywordtype">int</span> tz;
<a name="l00104"></a>00104 <span class="keywordtype">char</span> buffer[100];
<a name="l00105"></a>00105 <span class="preprocessor">#if defined BSD || defined(__linux__) || defined(__APPLE__)</span>
<a name="l00106"></a>00106 <span class="preprocessor"></span> tz = tm.tm_gmtoff;
<a name="l00107"></a>00107 <span class="preprocessor">#else</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor"># if defined(__BORLANDC__) || defined (__CYGWIN__)</span>
<a name="l00109"></a>00109 <span class="preprocessor"></span> tz = - _timezone;
<a name="l00110"></a>00110 <span class="preprocessor"># else</span>
<a name="l00111"></a>00111 <span class="preprocessor"></span> tz = - timezone;
<a name="l00112"></a>00112 <span class="preprocessor"># endif</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span> <span class="keywordflow">if</span> (tz == 0) {
<a name="l00115"></a>00115 snprintf(buffer, <span class="keyword">sizeof</span>(buffer), <span class="stringliteral">"%02d:%02d:%02d GMT"</span>, tm.tm_hour, tm.tm_min, tm.tm_sec);
<a name="l00116"></a>00116 } <span class="keywordflow">else</span> {
<a name="l00117"></a>00117 <span class="keywordtype">int</span> offset = tz;
<a name="l00118"></a>00118 <span class="keywordflow">if</span> (offset < 0) {
<a name="l00119"></a>00119 offset = -offset;
<a name="l00120"></a>00120 }
<a name="l00121"></a>00121 snprintf(buffer, <span class="keyword">sizeof</span>(buffer), <span class="stringliteral">"%02d:%02d:%02d GMT%c%02d%02d"</span>,
<a name="l00122"></a>00122 tm.tm_hour, tm.tm_min, tm.tm_sec,
<a name="l00123"></a>00123 tz < 0 ? <span class="charliteral">'-'</span> : <span class="charliteral">'+'</span>, offset / (60*60), (offset / 60) % 60);
<a name="l00124"></a>00124 }
<a name="l00125"></a>00125 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a>(buffer);
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keyword">static</span> <span class="keywordtype">int</span> day(<span class="keywordtype">double</span> t)
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="keywordflow">return</span> int(floor(t / msPerDay));
<a name="l00131"></a>00131 }
<a name="l00132"></a>00132
<a name="l00133"></a>00133 <span class="keyword">static</span> <span class="keywordtype">double</span> dayFromYear(<span class="keywordtype">int</span> year)
<a name="l00134"></a>00134 {
<a name="l00135"></a>00135 <span class="keywordflow">return</span> 365.0 * (year - 1970)
<a name="l00136"></a>00136 + floor((year - 1969) / 4.0)
<a name="l00137"></a>00137 - floor((year - 1901) / 100.0)
<a name="l00138"></a>00138 + floor((year - 1601) / 400.0);
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <span class="comment">// depending on whether it's a leap year or not</span>
<a name="l00142"></a>00142 <span class="keyword">static</span> <span class="keywordtype">int</span> daysInYear(<span class="keywordtype">int</span> year)
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 <span class="keywordflow">if</span> (year % 4 != 0)
<a name="l00145"></a>00145 <span class="keywordflow">return</span> 365;
<a name="l00146"></a>00146 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (year % 400 == 0)
<a name="l00147"></a>00147 <span class="keywordflow">return</span> 366;
<a name="l00148"></a>00148 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (year % 100 == 0)
<a name="l00149"></a>00149 <span class="keywordflow">return</span> 365;
<a name="l00150"></a>00150 <span class="keywordflow">else</span>
<a name="l00151"></a>00151 <span class="keywordflow">return</span> 366;
<a name="l00152"></a>00152 }
<a name="l00153"></a>00153
<a name="l00154"></a>00154 <span class="comment">// time value of the start of a year</span>
<a name="l00155"></a>00155 <span class="keywordtype">double</span> timeFromYear(<span class="keywordtype">int</span> year)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordflow">return</span> msPerDay * dayFromYear(year);
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00160"></a>00160 <span class="comment">// year determined by time value</span>
<a name="l00161"></a>00161 <span class="keywordtype">int</span> yearFromTime(<span class="keywordtype">double</span> t)
<a name="l00162"></a>00162 {
<a name="l00163"></a>00163 <span class="comment">// ### there must be an easier way</span>
<a name="l00164"></a>00164 <span class="comment">// initial guess</span>
<a name="l00165"></a>00165 <span class="keywordtype">int</span> y = 1970 + int(t / (365.25 * msPerDay));
<a name="l00166"></a>00166 <span class="comment">// adjustment</span>
<a name="l00167"></a>00167 <span class="keywordflow">if</span> (timeFromYear(y) > t) {
<a name="l00168"></a>00168 <span class="keywordflow">do</span> {
<a name="l00169"></a>00169 --y;
<a name="l00170"></a>00170 } <span class="keywordflow">while</span> (timeFromYear(y) > t);
<a name="l00171"></a>00171 } <span class="keywordflow">else</span> {
<a name="l00172"></a>00172 <span class="keywordflow">while</span> (timeFromYear(y + 1) < t)
<a name="l00173"></a>00173 ++y;
<a name="l00174"></a>00174 }
<a name="l00175"></a>00175
<a name="l00176"></a>00176 <span class="keywordflow">return</span> y;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00179"></a>00179 <span class="comment">// 0: Sunday, 1: Monday, etc.</span>
<a name="l00180"></a>00180 <span class="keywordtype">int</span> weekDay(<span class="keywordtype">double</span> t)
<a name="l00181"></a>00181 {
<a name="l00182"></a>00182 <span class="keywordtype">int</span> wd = (day(t) + 4) % 7;
<a name="l00183"></a>00183 <span class="keywordflow">if</span> (wd < 0)
<a name="l00184"></a>00184 wd += 7;
<a name="l00185"></a>00185 <span class="keywordflow">return</span> wd;
<a name="l00186"></a>00186 }
<a name="l00187"></a>00187
<a name="l00188"></a>00188 <span class="keyword">static</span> <span class="keywordtype">double</span> timeZoneOffset(<span class="keyword">const</span> <span class="keyword">struct</span> tm *t)
<a name="l00189"></a>00189 {
<a name="l00190"></a>00190 <span class="preprocessor">#if defined BSD || defined(__linux__) || defined(__APPLE__)</span>
<a name="l00191"></a>00191 <span class="preprocessor"></span> <span class="keywordflow">return</span> -(t->tm_gmtoff / 60);
<a name="l00192"></a>00192 <span class="preprocessor">#else</span>
<a name="l00193"></a>00193 <span class="preprocessor"></span><span class="preprocessor"># if defined(__BORLANDC__) || defined(__CYGWIN__)</span>
<a name="l00194"></a>00194 <span class="preprocessor"></span><span class="comment">// FIXME consider non one-hour DST change</span>
<a name="l00195"></a>00195 <span class="preprocessor">#if !defined(__CYGWIN__)</span>
<a name="l00196"></a>00196 <span class="preprocessor"></span><span class="preprocessor">#error please add daylight savings offset here!</span>
<a name="l00197"></a>00197 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00198"></a>00198 <span class="preprocessor"></span> <span class="keywordflow">return</span> _timezone / 60 - (t->tm_isdst > 0 ? 60 : 0);
<a name="l00199"></a>00199 <span class="preprocessor"># else</span>
<a name="l00200"></a>00200 <span class="preprocessor"></span> <span class="keywordflow">return</span> timezone / 60 - (t->tm_isdst > 0 ? 60 : 0 );
<a name="l00201"></a>00201 <span class="preprocessor"># endif</span>
<a name="l00202"></a>00202 <span class="preprocessor"></span><span class="preprocessor">#endif</span>
<a name="l00203"></a>00203 <span class="preprocessor"></span>}
<a name="l00204"></a>00204
<a name="l00205"></a>00205 <span class="comment">// Converts a list of arguments sent to a Date member function into milliseconds, updating</span>
<a name="l00206"></a>00206 <span class="comment">// ms (representing milliseconds) and t (representing the rest of the date structure) appropriately.</span>
<a name="l00207"></a>00207 <span class="comment">//</span>
<a name="l00208"></a>00208 <span class="comment">// Format of member function: f([hour,] [min,] [sec,] [ms])</span>
<a name="l00209"></a>00209 <span class="keyword">static</span> <span class="keywordtype">void</span> fillStructuresUsingTimeArgs(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args, <span class="keywordtype">int</span> maxArgs, <span class="keywordtype">double</span> *ms, <span class="keyword">struct</span> tm *t)
<a name="l00210"></a>00210 {
<a name="l00211"></a>00211 <span class="keywordtype">double</span> milliseconds = 0;
<a name="l00212"></a>00212 <span class="keywordtype">int</span> idx = 0;
<a name="l00213"></a>00213 <span class="keywordtype">int</span> numArgs = args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>();
<a name="l00214"></a>00214
<a name="l00215"></a>00215 <span class="comment">// JS allows extra trailing arguments -- ignore them</span>
<a name="l00216"></a>00216 <span class="keywordflow">if</span> (numArgs > maxArgs)
<a name="l00217"></a>00217 numArgs = maxArgs;
<a name="l00218"></a>00218
<a name="l00219"></a>00219 <span class="comment">// hours</span>
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (maxArgs >= 4 && idx < numArgs) {
<a name="l00221"></a>00221 t->tm_hour = 0;
<a name="l00222"></a>00222 milliseconds += args[idx++].toInt32(exec) * msPerHour;
<a name="l00223"></a>00223 }
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="comment">// minutes</span>
<a name="l00226"></a>00226 <span class="keywordflow">if</span> (maxArgs >= 3 && idx < numArgs) {
<a name="l00227"></a>00227 t->tm_min = 0;
<a name="l00228"></a>00228 milliseconds += args[idx++].toInt32(exec) * msPerMinute;
<a name="l00229"></a>00229 }
<a name="l00230"></a>00230
<a name="l00231"></a>00231 <span class="comment">// seconds</span>
<a name="l00232"></a>00232 <span class="keywordflow">if</span> (maxArgs >= 2 && idx < numArgs) {
<a name="l00233"></a>00233 t->tm_sec = 0;
<a name="l00234"></a>00234 milliseconds += args[idx++].toInt32(exec) * msPerSecond;
<a name="l00235"></a>00235 }
<a name="l00236"></a>00236
<a name="l00237"></a>00237 <span class="comment">// milliseconds</span>
<a name="l00238"></a>00238 <span class="keywordflow">if</span> (idx < numArgs) {
<a name="l00239"></a>00239 milliseconds += roundValue(exec, args[idx]);
<a name="l00240"></a>00240 } <span class="keywordflow">else</span> {
<a name="l00241"></a>00241 milliseconds += *ms;
<a name="l00242"></a>00242 }
<a name="l00243"></a>00243
<a name="l00244"></a>00244 *ms = milliseconds;
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00247"></a>00247 <span class="comment">// Converts a list of arguments sent to a Date member function into years, months, and milliseconds, updating</span>
<a name="l00248"></a>00248 <span class="comment">// ms (representing milliseconds) and t (representing the rest of the date structure) appropriately.</span>
<a name="l00249"></a>00249 <span class="comment">//</span>
<a name="l00250"></a>00250 <span class="comment">// Format of member function: f([years,] [months,] [days])</span>
<a name="l00251"></a>00251 <span class="keyword">static</span> <span class="keywordtype">void</span> fillStructuresUsingDateArgs(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args, <span class="keywordtype">int</span> maxArgs, <span class="keywordtype">double</span> *ms, <span class="keyword">struct</span> tm *t)
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 <span class="keywordtype">int</span> idx = 0;
<a name="l00254"></a>00254 <span class="keywordtype">int</span> numArgs = args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>();
<a name="l00255"></a>00255
<a name="l00256"></a>00256 <span class="comment">// JS allows extra trailing arguments -- ignore them</span>
<a name="l00257"></a>00257 <span class="keywordflow">if</span> (numArgs > maxArgs)
<a name="l00258"></a>00258 numArgs = maxArgs;
<a name="l00259"></a>00259
<a name="l00260"></a>00260 <span class="comment">// years</span>
<a name="l00261"></a>00261 <span class="keywordflow">if</span> (maxArgs >= 3 && idx < numArgs) {
<a name="l00262"></a>00262 t->tm_year = args[idx++].toInt32(exec) - 1900;
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264
<a name="l00265"></a>00265 <span class="comment">// months</span>
<a name="l00266"></a>00266 <span class="keywordflow">if</span> (maxArgs >= 2 && idx < numArgs) {
<a name="l00267"></a>00267 t->tm_mon = args[idx++].toInt32(exec);
<a name="l00268"></a>00268 }
<a name="l00269"></a>00269
<a name="l00270"></a>00270 <span class="comment">// days</span>
<a name="l00271"></a>00271 <span class="keywordflow">if</span> (idx < numArgs) {
<a name="l00272"></a>00272 t->tm_mday = 0;
<a name="l00273"></a>00273 *ms += args[idx].toInt32(exec) * msPerDay;
<a name="l00274"></a>00274 }
<a name="l00275"></a>00275 }
<a name="l00276"></a>00276
<a name="l00277"></a>00277 <span class="comment">// ------------------------------ DateInstanceImp ------------------------------</span>
<a name="l00278"></a>00278
<a name="l00279"></a>00279 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> DateInstanceImp::info = {<span class="stringliteral">"Date"</span>, 0, 0, 0};
<a name="l00280"></a>00280
<a name="l00281"></a>00281 DateInstanceImp::DateInstanceImp(ObjectImp *proto)
<a name="l00282"></a>00282 : ObjectImp(proto)
<a name="l00283"></a>00283 {
<a name="l00284"></a>00284 }
<a name="l00285"></a>00285
<a name="l00286"></a>00286 <span class="comment">// ------------------------------ DatePrototypeImp -----------------------------</span>
<a name="l00287"></a>00287
<a name="l00288"></a>00288 <span class="keyword">const</span> <a class="code" href="structKJS_1_1ClassInfo.html" title="Class Information.">ClassInfo</a> DatePrototypeImp::info = {<span class="stringliteral">"Date"</span>, &DateInstanceImp::info, &dateTable, 0};
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">/* Source for date_object.lut.h</span>
<a name="l00291"></a>00291 <span class="comment"> We use a negative ID to denote the "UTC" variant.</span>
<a name="l00292"></a>00292 <span class="comment">@begin dateTable 61</span>
<a name="l00293"></a>00293 <span class="comment"> toString DateProtoFuncImp::ToString DontEnum|Function 0</span>
<a name="l00294"></a>00294 <span class="comment"> toUTCString DateProtoFuncImp::ToUTCString DontEnum|Function 0</span>
<a name="l00295"></a>00295 <span class="comment"> toDateString DateProtoFuncImp::ToDateString DontEnum|Function 0</span>
<a name="l00296"></a>00296 <span class="comment"> toTimeString DateProtoFuncImp::ToTimeString DontEnum|Function 0</span>
<a name="l00297"></a>00297 <span class="comment"> toLocaleString DateProtoFuncImp::ToLocaleString DontEnum|Function 0</span>
<a name="l00298"></a>00298 <span class="comment"> toLocaleDateString DateProtoFuncImp::ToLocaleDateString DontEnum|Function 0</span>
<a name="l00299"></a>00299 <span class="comment"> toLocaleTimeString DateProtoFuncImp::ToLocaleTimeString DontEnum|Function 0</span>
<a name="l00300"></a>00300 <span class="comment"> valueOf DateProtoFuncImp::ValueOf DontEnum|Function 0</span>
<a name="l00301"></a>00301 <span class="comment"> getTime DateProtoFuncImp::GetTime DontEnum|Function 0</span>
<a name="l00302"></a>00302 <span class="comment"> getFullYear DateProtoFuncImp::GetFullYear DontEnum|Function 0</span>
<a name="l00303"></a>00303 <span class="comment"> getUTCFullYear -DateProtoFuncImp::GetFullYear DontEnum|Function 0</span>
<a name="l00304"></a>00304 <span class="comment"> toGMTString DateProtoFuncImp::ToGMTString DontEnum|Function 0</span>
<a name="l00305"></a>00305 <span class="comment"> getMonth DateProtoFuncImp::GetMonth DontEnum|Function 0</span>
<a name="l00306"></a>00306 <span class="comment"> getUTCMonth -DateProtoFuncImp::GetMonth DontEnum|Function 0</span>
<a name="l00307"></a>00307 <span class="comment"> getDate DateProtoFuncImp::GetDate DontEnum|Function 0</span>
<a name="l00308"></a>00308 <span class="comment"> getUTCDate -DateProtoFuncImp::GetDate DontEnum|Function 0</span>
<a name="l00309"></a>00309 <span class="comment"> getDay DateProtoFuncImp::GetDay DontEnum|Function 0</span>
<a name="l00310"></a>00310 <span class="comment"> getUTCDay -DateProtoFuncImp::GetDay DontEnum|Function 0</span>
<a name="l00311"></a>00311 <span class="comment"> getHours DateProtoFuncImp::GetHours DontEnum|Function 0</span>
<a name="l00312"></a>00312 <span class="comment"> getUTCHours -DateProtoFuncImp::GetHours DontEnum|Function 0</span>
<a name="l00313"></a>00313 <span class="comment"> getMinutes DateProtoFuncImp::GetMinutes DontEnum|Function 0</span>
<a name="l00314"></a>00314 <span class="comment"> getUTCMinutes -DateProtoFuncImp::GetMinutes DontEnum|Function 0</span>
<a name="l00315"></a>00315 <span class="comment"> getSeconds DateProtoFuncImp::GetSeconds DontEnum|Function 0</span>
<a name="l00316"></a>00316 <span class="comment"> getUTCSeconds -DateProtoFuncImp::GetSeconds DontEnum|Function 0</span>
<a name="l00317"></a>00317 <span class="comment"> getMilliseconds DateProtoFuncImp::GetMilliSeconds DontEnum|Function 0</span>
<a name="l00318"></a>00318 <span class="comment"> getUTCMilliseconds -DateProtoFuncImp::GetMilliSeconds DontEnum|Function 0</span>
<a name="l00319"></a>00319 <span class="comment"> getTimezoneOffset DateProtoFuncImp::GetTimezoneOffset DontEnum|Function 0</span>
<a name="l00320"></a>00320 <span class="comment"> setTime DateProtoFuncImp::SetTime DontEnum|Function 1</span>
<a name="l00321"></a>00321 <span class="comment"> setMilliseconds DateProtoFuncImp::SetMilliSeconds DontEnum|Function 1</span>
<a name="l00322"></a>00322 <span class="comment"> setUTCMilliseconds -DateProtoFuncImp::SetMilliSeconds DontEnum|Function 1</span>
<a name="l00323"></a>00323 <span class="comment"> setSeconds DateProtoFuncImp::SetSeconds DontEnum|Function 2</span>
<a name="l00324"></a>00324 <span class="comment"> setUTCSeconds -DateProtoFuncImp::SetSeconds DontEnum|Function 2</span>
<a name="l00325"></a>00325 <span class="comment"> setMinutes DateProtoFuncImp::SetMinutes DontEnum|Function 3</span>
<a name="l00326"></a>00326 <span class="comment"> setUTCMinutes -DateProtoFuncImp::SetMinutes DontEnum|Function 3</span>
<a name="l00327"></a>00327 <span class="comment"> setHours DateProtoFuncImp::SetHours DontEnum|Function 4</span>
<a name="l00328"></a>00328 <span class="comment"> setUTCHours -DateProtoFuncImp::SetHours DontEnum|Function 4</span>
<a name="l00329"></a>00329 <span class="comment"> setDate DateProtoFuncImp::SetDate DontEnum|Function 1</span>
<a name="l00330"></a>00330 <span class="comment"> setUTCDate -DateProtoFuncImp::SetDate DontEnum|Function 1</span>
<a name="l00331"></a>00331 <span class="comment"> setMonth DateProtoFuncImp::SetMonth DontEnum|Function 2</span>
<a name="l00332"></a>00332 <span class="comment"> setUTCMonth -DateProtoFuncImp::SetMonth DontEnum|Function 2</span>
<a name="l00333"></a>00333 <span class="comment"> setFullYear DateProtoFuncImp::SetFullYear DontEnum|Function 3</span>
<a name="l00334"></a>00334 <span class="comment"> setUTCFullYear -DateProtoFuncImp::SetFullYear DontEnum|Function 3</span>
<a name="l00335"></a>00335 <span class="comment"> setYear DateProtoFuncImp::SetYear DontEnum|Function 1</span>
<a name="l00336"></a>00336 <span class="comment"> getYear DateProtoFuncImp::GetYear DontEnum|Function 0</span>
<a name="l00337"></a>00337 <span class="comment"> toGMTString DateProtoFuncImp::ToGMTString DontEnum|Function 0</span>
<a name="l00338"></a>00338 <span class="comment">@end</span>
<a name="l00339"></a>00339 <span class="comment">*/</span>
<a name="l00340"></a>00340 <span class="comment">// ECMA 15.9.4</span>
<a name="l00341"></a>00341
<a name="l00342"></a>00342 DatePrototypeImp::DatePrototypeImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *,
<a name="l00343"></a>00343 ObjectPrototypeImp *objectProto)
<a name="l00344"></a>00344 : DateInstanceImp(objectProto)
<a name="l00345"></a>00345 {
<a name="l00346"></a>00346 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00347"></a>00347 setInternalValue(<a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(NaN));
<a name="l00348"></a>00348 <span class="comment">// The constructor will be added later, after DateObjectImp has been built</span>
<a name="l00349"></a>00349 }
<a name="l00350"></a>00350
<a name="l00351"></a>00351 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> DatePrototypeImp::get(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> &propertyName)<span class="keyword"> const</span>
<a name="l00352"></a>00352 <span class="keyword"></span>{
<a name="l00353"></a>00353 <span class="keywordflow">return</span> lookupGetFunction<DateProtoFuncImp, ObjectImp>( exec, propertyName, &dateTable, this );
<a name="l00354"></a>00354 }
<a name="l00355"></a>00355
<a name="l00356"></a>00356 <span class="comment">// ------------------------------ DateProtoFuncImp -----------------------------</span>
<a name="l00357"></a>00357
<a name="l00358"></a>00358 DateProtoFuncImp::DateProtoFuncImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> len)
<a name="l00359"></a>00359 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(
<a name="l00360"></a>00360 static_cast<<a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a>*>(exec->lexicalInterpreter()->builtinFunctionPrototype().imp())
<a name="l00361"></a>00361 ), id(abs(i)), utc(i<0)
<a name="l00362"></a>00362 <span class="comment">// We use a negative ID to denote the "UTC" variant.</span>
<a name="l00363"></a>00363 {
<a name="l00364"></a>00364 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00365"></a>00365 putDirect(lengthPropertyName, len, DontDelete|ReadOnly|DontEnum);
<a name="l00366"></a>00366 }
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="keywordtype">bool</span> DateProtoFuncImp::implementsCall()<span class="keyword"> const</span>
<a name="l00369"></a>00369 <span class="keyword"></span>{
<a name="l00370"></a>00370 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00371"></a>00371 }
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> DateProtoFuncImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &thisObj, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00374"></a>00374 {
<a name="l00375"></a>00375 <span class="keywordflow">if</span> (!thisObj.inherits(&DateInstanceImp::info)) {
<a name="l00376"></a>00376 <span class="comment">// non-generic function called on non-date object</span>
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="comment">// ToString and ValueOf are generic according to the spec, but the mozilla</span>
<a name="l00379"></a>00379 <span class="comment">// tests suggest otherwise...</span>
<a name="l00380"></a>00380 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> err = <a class="code" href="classKJS_1_1Error.html#ad90381467b6e9fbae92c0975852048f2" title="Factory method for error objects.">Error::create</a>(exec,TypeError);
<a name="l00381"></a>00381 exec->setException(err);
<a name="l00382"></a>00382 <span class="keywordflow">return</span> err;
<a name="l00383"></a>00383 }
<a name="l00384"></a>00384
<a name="l00385"></a>00385
<a name="l00386"></a>00386 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> result;
<a name="l00387"></a>00387 <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> s;
<a name="l00388"></a>00388 <span class="keyword">const</span> <span class="keywordtype">int</span> bufsize=100;
<a name="l00389"></a>00389 <span class="keywordtype">char</span> timebuffer[bufsize];
<a name="l00390"></a>00390 <a class="code" href="classKJS_1_1CString.html" title="8 bit char based string class">CString</a> oldlocale = setlocale(LC_TIME,NULL);
<a name="l00391"></a>00391 <span class="keywordflow">if</span> (!oldlocale.c_str())
<a name="l00392"></a>00392 oldlocale = setlocale(LC_ALL, NULL);
<a name="l00393"></a>00393 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> v = thisObj.<a class="code" href="classKJS_1_1Object.html#ae57ce80e0db9939378bdf4ce7d68b4bb" title="Returns the internal value of the object.">internalValue</a>();
<a name="l00394"></a>00394 <span class="keywordtype">double</span> milli = v.<a class="code" href="classKJS_1_1Value.html#abc006ad65a05568bbebe2c63604766b8" title="Performs the ToNumber type conversion operation on this value (ECMA 9.3)">toNumber</a>(exec);
<a name="l00395"></a>00395 <span class="comment">// special case: time value is NaN</span>
<a name="l00396"></a>00396 <span class="keywordflow">if</span> (isNaN(milli)) {
<a name="l00397"></a>00397 <span class="keywordflow">switch</span> (<span class="keywordtype">id</span>) {
<a name="l00398"></a>00398 <span class="keywordflow">case</span> ToString:
<a name="l00399"></a>00399 <span class="keywordflow">case</span> ToDateString:
<a name="l00400"></a>00400 <span class="keywordflow">case</span> ToTimeString:
<a name="l00401"></a>00401 <span class="keywordflow">case</span> ToGMTString:
<a name="l00402"></a>00402 <span class="keywordflow">case</span> ToUTCString:
<a name="l00403"></a>00403 <span class="keywordflow">case</span> ToLocaleString:
<a name="l00404"></a>00404 <span class="keywordflow">case</span> ToLocaleDateString:
<a name="l00405"></a>00405 <span class="keywordflow">case</span> ToLocaleTimeString:
<a name="l00406"></a>00406 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(<span class="stringliteral">"Invalid Date"</span>);
<a name="l00407"></a>00407 <span class="keywordflow">case</span> ValueOf:
<a name="l00408"></a>00408 <span class="keywordflow">case</span> GetTime:
<a name="l00409"></a>00409 <span class="keywordflow">case</span> GetYear:
<a name="l00410"></a>00410 <span class="keywordflow">case</span> GetFullYear:
<a name="l00411"></a>00411 <span class="keywordflow">case</span> GetMonth:
<a name="l00412"></a>00412 <span class="keywordflow">case</span> GetDate:
<a name="l00413"></a>00413 <span class="keywordflow">case</span> GetDay:
<a name="l00414"></a>00414 <span class="keywordflow">case</span> GetHours:
<a name="l00415"></a>00415 <span class="keywordflow">case</span> GetMinutes:
<a name="l00416"></a>00416 <span class="keywordflow">case</span> GetSeconds:
<a name="l00417"></a>00417 <span class="keywordflow">case</span> GetMilliSeconds:
<a name="l00418"></a>00418 <span class="keywordflow">case</span> GetTimezoneOffset:
<a name="l00419"></a>00419 <span class="keywordflow">case</span> SetMilliSeconds:
<a name="l00420"></a>00420 <span class="keywordflow">case</span> SetSeconds:
<a name="l00421"></a>00421 <span class="keywordflow">case</span> SetMinutes:
<a name="l00422"></a>00422 <span class="keywordflow">case</span> SetHours:
<a name="l00423"></a>00423 <span class="keywordflow">case</span> SetDate:
<a name="l00424"></a>00424 <span class="keywordflow">case</span> SetMonth:
<a name="l00425"></a>00425 <span class="keywordflow">case</span> SetFullYear:
<a name="l00426"></a>00426 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(NaN);
<a name="l00427"></a>00427 }
<a name="l00428"></a>00428 }
<a name="l00429"></a>00429
<a name="l00430"></a>00430 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == SetTime) {
<a name="l00431"></a>00431 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(roundValue(exec,args[0]));
<a name="l00432"></a>00432 thisObj.<a class="code" href="classKJS_1_1Object.html#a467d7a34694e82573c77fda53fffa50e" title="Sets the internal value of the object.">setInternalValue</a>(result);
<a name="l00433"></a>00433 <span class="keywordflow">return</span> result;
<a name="l00434"></a>00434 }
<a name="l00435"></a>00435
<a name="l00436"></a>00436 <span class="comment">// check whether time value is outside time_t's usual range</span>
<a name="l00437"></a>00437 <span class="comment">// make the necessary transformations if necessary</span>
<a name="l00438"></a>00438 <span class="keywordtype">int</span> realYearOffset = 0;
<a name="l00439"></a>00439 <span class="keywordtype">double</span> milliOffset = 0.0;
<a name="l00440"></a>00440 <span class="keywordflow">if</span> (milli < 0 || milli >= timeFromYear(2038)) {
<a name="l00441"></a>00441 <span class="comment">// ### ugly and probably not very precise</span>
<a name="l00442"></a>00442 <span class="keywordtype">int</span> realYear = yearFromTime(milli);
<a name="l00443"></a>00443 <span class="keywordtype">int</span> base = daysInYear(realYear) == 365 ? 2001 : 2000;
<a name="l00444"></a>00444 milliOffset = timeFromYear(base) - timeFromYear(realYear);
<a name="l00445"></a>00445 milli += milliOffset;
<a name="l00446"></a>00446 realYearOffset = realYear - base;
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448
<a name="l00449"></a>00449 time_t tv = (time_t) floor(milli / 1000.0);
<a name="l00450"></a>00450 <span class="keywordtype">double</span> ms = milli - tv * 1000.0;
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="keyword">struct </span>tm *t;
<a name="l00453"></a>00453 <span class="keywordflow">if</span> ( (<span class="keywordtype">id</span> == DateProtoFuncImp::ToGMTString) ||
<a name="l00454"></a>00454 (<span class="keywordtype">id</span> == DateProtoFuncImp::ToUTCString) )
<a name="l00455"></a>00455 t = gmtime(&tv);
<a name="l00456"></a>00456 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == DateProtoFuncImp::ToString)
<a name="l00457"></a>00457 t = localtime(&tv);
<a name="l00458"></a>00458 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (utc)
<a name="l00459"></a>00459 t = gmtime(&tv);
<a name="l00460"></a>00460 <span class="keywordflow">else</span>
<a name="l00461"></a>00461 t = localtime(&tv);
<a name="l00462"></a>00462
<a name="l00463"></a>00463 <span class="comment">// we had an out of range year. use that one (plus/minus offset</span>
<a name="l00464"></a>00464 <span class="comment">// found by calculating tm_year) and fix the week day calculation</span>
<a name="l00465"></a>00465 <span class="keywordflow">if</span> (realYearOffset != 0) {
<a name="l00466"></a>00466 t->tm_year += realYearOffset;
<a name="l00467"></a>00467 milli -= milliOffset;
<a name="l00468"></a>00468 <span class="comment">// our own weekday calculation. beware of need for local time.</span>
<a name="l00469"></a>00469 <span class="keywordtype">double</span> m = milli;
<a name="l00470"></a>00470 <span class="keywordflow">if</span> (!utc)
<a name="l00471"></a>00471 m -= timeZoneOffset(t) * msPerMinute;
<a name="l00472"></a>00472 t->tm_wday = weekDay(m);
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474
<a name="l00475"></a>00475 <span class="comment">// trick gcc. We don't want the Y2K warnings.</span>
<a name="l00476"></a>00476 <span class="keyword">const</span> <span class="keywordtype">char</span> xFormat[] = <span class="stringliteral">"%x"</span>;
<a name="l00477"></a>00477 <span class="keyword">const</span> <span class="keywordtype">char</span> cFormat[] = <span class="stringliteral">"%c"</span>;
<a name="l00478"></a>00478
<a name="l00479"></a>00479 <span class="keywordflow">switch</span> (<span class="keywordtype">id</span>) {
<a name="l00480"></a>00480 <span class="keywordflow">case</span> ToString:
<a name="l00481"></a>00481 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(formatDate(*t) + <span class="stringliteral">" "</span> + formatTime(*t));
<a name="l00482"></a>00482 <span class="keywordflow">break</span>;
<a name="l00483"></a>00483 <span class="keywordflow">case</span> ToDateString:
<a name="l00484"></a>00484 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(formatDate(*t));
<a name="l00485"></a>00485 <span class="keywordflow">break</span>;
<a name="l00486"></a>00486 <span class="keywordflow">case</span> ToTimeString:
<a name="l00487"></a>00487 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(formatTime(*t));
<a name="l00488"></a>00488 <span class="keywordflow">break</span>;
<a name="l00489"></a>00489 <span class="keywordflow">case</span> ToGMTString:
<a name="l00490"></a>00490 <span class="keywordflow">case</span> ToUTCString:
<a name="l00491"></a>00491 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(formatDateUTCVariant(*t) + <span class="stringliteral">" "</span> + formatTime(*t));
<a name="l00492"></a>00492 <span class="keywordflow">break</span>;
<a name="l00493"></a>00493 <span class="keywordflow">case</span> ToLocaleString:
<a name="l00494"></a>00494 strftime(timebuffer, bufsize, cFormat, t);
<a name="l00495"></a>00495 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(timebuffer);
<a name="l00496"></a>00496 <span class="keywordflow">break</span>;
<a name="l00497"></a>00497 <span class="keywordflow">case</span> ToLocaleDateString:
<a name="l00498"></a>00498 strftime(timebuffer, bufsize, xFormat, t);
<a name="l00499"></a>00499 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(timebuffer);
<a name="l00500"></a>00500 <span class="keywordflow">break</span>;
<a name="l00501"></a>00501 <span class="keywordflow">case</span> ToLocaleTimeString:
<a name="l00502"></a>00502 strftime(timebuffer, bufsize, <span class="stringliteral">"%X"</span>, t);
<a name="l00503"></a>00503 result = <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(timebuffer);
<a name="l00504"></a>00504 <span class="keywordflow">break</span>;
<a name="l00505"></a>00505 <span class="keywordflow">case</span> ValueOf:
<a name="l00506"></a>00506 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(milli);
<a name="l00507"></a>00507 <span class="keywordflow">break</span>;
<a name="l00508"></a>00508 <span class="keywordflow">case</span> GetTime:
<a name="l00509"></a>00509 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(milli);
<a name="l00510"></a>00510 <span class="keywordflow">break</span>;
<a name="l00511"></a>00511 <span class="keywordflow">case</span> GetYear:
<a name="l00512"></a>00512 <span class="comment">// IE returns the full year even in getYear.</span>
<a name="l00513"></a>00513 <span class="keywordflow">if</span> ( exec-><a class="code" href="classKJS_1_1ExecState.html#a3b3a2b4b312b33a64beeb974c948201c" title="Returns the interpreter associated with this execution state.">dynamicInterpreter</a>()->compatMode() != Interpreter::IECompat )
<a name="l00514"></a>00514 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_year);
<a name="l00515"></a>00515 <span class="keywordflow">else</span>
<a name="l00516"></a>00516 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(1900 + t->tm_year);
<a name="l00517"></a>00517 <span class="keywordflow">break</span>;
<a name="l00518"></a>00518 <span class="keywordflow">case</span> GetFullYear:
<a name="l00519"></a>00519 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(1900 + t->tm_year);
<a name="l00520"></a>00520 <span class="keywordflow">break</span>;
<a name="l00521"></a>00521 <span class="keywordflow">case</span> GetMonth:
<a name="l00522"></a>00522 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_mon);
<a name="l00523"></a>00523 <span class="keywordflow">break</span>;
<a name="l00524"></a>00524 <span class="keywordflow">case</span> GetDate:
<a name="l00525"></a>00525 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_mday);
<a name="l00526"></a>00526 <span class="keywordflow">break</span>;
<a name="l00527"></a>00527 <span class="keywordflow">case</span> GetDay:
<a name="l00528"></a>00528 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_wday);
<a name="l00529"></a>00529 <span class="keywordflow">break</span>;
<a name="l00530"></a>00530 <span class="keywordflow">case</span> GetHours:
<a name="l00531"></a>00531 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_hour);
<a name="l00532"></a>00532 <span class="keywordflow">break</span>;
<a name="l00533"></a>00533 <span class="keywordflow">case</span> GetMinutes:
<a name="l00534"></a>00534 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_min);
<a name="l00535"></a>00535 <span class="keywordflow">break</span>;
<a name="l00536"></a>00536 <span class="keywordflow">case</span> GetSeconds:
<a name="l00537"></a>00537 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(t->tm_sec);
<a name="l00538"></a>00538 <span class="keywordflow">break</span>;
<a name="l00539"></a>00539 <span class="keywordflow">case</span> GetMilliSeconds:
<a name="l00540"></a>00540 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(ms);
<a name="l00541"></a>00541 <span class="keywordflow">break</span>;
<a name="l00542"></a>00542 <span class="keywordflow">case</span> GetTimezoneOffset:
<a name="l00543"></a>00543 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(timeZoneOffset(t));
<a name="l00544"></a>00544 <span class="keywordflow">break</span>;
<a name="l00545"></a>00545 <span class="keywordflow">case</span> SetMilliSeconds:
<a name="l00546"></a>00546 fillStructuresUsingTimeArgs(exec, args, 1, &ms, t);
<a name="l00547"></a>00547 <span class="keywordflow">break</span>;
<a name="l00548"></a>00548 <span class="keywordflow">case</span> SetSeconds:
<a name="l00549"></a>00549 fillStructuresUsingTimeArgs(exec, args, 2, &ms, t);
<a name="l00550"></a>00550 <span class="keywordflow">break</span>;
<a name="l00551"></a>00551 <span class="keywordflow">case</span> SetMinutes:
<a name="l00552"></a>00552 fillStructuresUsingTimeArgs(exec, args, 3, &ms, t);
<a name="l00553"></a>00553 <span class="keywordflow">break</span>;
<a name="l00554"></a>00554 <span class="keywordflow">case</span> SetHours:
<a name="l00555"></a>00555 fillStructuresUsingTimeArgs(exec, args, 4, &ms, t);
<a name="l00556"></a>00556 <span class="keywordflow">break</span>;
<a name="l00557"></a>00557 <span class="keywordflow">case</span> SetDate:
<a name="l00558"></a>00558 fillStructuresUsingDateArgs(exec, args, 1, &ms, t);
<a name="l00559"></a>00559 <span class="keywordflow">break</span>;
<a name="l00560"></a>00560 <span class="keywordflow">case</span> SetMonth:
<a name="l00561"></a>00561 fillStructuresUsingDateArgs(exec, args, 2, &ms, t);
<a name="l00562"></a>00562 <span class="keywordflow">break</span>;
<a name="l00563"></a>00563 <span class="keywordflow">case</span> SetFullYear:
<a name="l00564"></a>00564 fillStructuresUsingDateArgs(exec, args, 3, &ms, t);
<a name="l00565"></a>00565 <span class="keywordflow">break</span>;
<a name="l00566"></a>00566 <span class="keywordflow">case</span> SetYear:
<a name="l00567"></a>00567 <span class="keywordtype">int</span> y = args[0].toInt32(exec);
<a name="l00568"></a>00568 <span class="keywordflow">if</span> (y < 1900) {
<a name="l00569"></a>00569 <span class="keywordflow">if</span> (y >= 0 && y <= 99) {
<a name="l00570"></a>00570 t->tm_year = y;
<a name="l00571"></a>00571 } <span class="keywordflow">else</span> {
<a name="l00572"></a>00572 fillStructuresUsingDateArgs(exec, args, 3, &ms, t);
<a name="l00573"></a>00573 }
<a name="l00574"></a>00574 } <span class="keywordflow">else</span> {
<a name="l00575"></a>00575 t->tm_year = y - 1900;
<a name="l00576"></a>00576 }
<a name="l00577"></a>00577 <span class="keywordflow">break</span>;
<a name="l00578"></a>00578 }
<a name="l00579"></a>00579
<a name="l00580"></a>00580 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == SetYear || <span class="keywordtype">id</span> == SetMilliSeconds || <span class="keywordtype">id</span> == SetSeconds ||
<a name="l00581"></a>00581 <span class="keywordtype">id</span> == SetMinutes || <span class="keywordtype">id</span> == SetHours || <span class="keywordtype">id</span> == SetDate ||
<a name="l00582"></a>00582 <span class="keywordtype">id</span> == SetMonth || <span class="keywordtype">id</span> == SetFullYear ) {
<a name="l00583"></a>00583 result = <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(makeTime(t, ms, utc));
<a name="l00584"></a>00584 thisObj.<a class="code" href="classKJS_1_1Object.html#a467d7a34694e82573c77fda53fffa50e" title="Sets the internal value of the object.">setInternalValue</a>(result);
<a name="l00585"></a>00585 }
<a name="l00586"></a>00586
<a name="l00587"></a>00587 <span class="keywordflow">return</span> result;
<a name="l00588"></a>00588 }
<a name="l00589"></a>00589
<a name="l00590"></a>00590 <span class="comment">// ------------------------------ DateObjectImp --------------------------------</span>
<a name="l00591"></a>00591
<a name="l00592"></a>00592 <span class="comment">// TODO: MakeTime (15.9.11.1) etc. ?</span>
<a name="l00593"></a>00593
<a name="l00594"></a>00594 DateObjectImp::DateObjectImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec,
<a name="l00595"></a>00595 <a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a> *funcProto,
<a name="l00596"></a>00596 DatePrototypeImp *dateProto)
<a name="l00597"></a>00597 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto)
<a name="l00598"></a>00598 {
<a name="l00599"></a>00599 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00600"></a>00600
<a name="l00601"></a>00601 <span class="comment">// ECMA 15.9.4.1 Date.prototype</span>
<a name="l00602"></a>00602 putDirect(prototypePropertyName, dateProto, DontEnum|DontDelete|ReadOnly);
<a name="l00603"></a>00603
<a name="l00604"></a>00604 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> parsePropertyName(<span class="stringliteral">"parse"</span>);
<a name="l00605"></a>00605 putDirect(parsePropertyName, <span class="keyword">new</span> DateObjectFuncImp(exec,funcProto,DateObjectFuncImp::Parse, 1), DontEnum);
<a name="l00606"></a>00606 <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="classKJS_1_1Identifier.html" title="Represents an Identifier for a Javascript object.">Identifier</a> UTCPropertyName(<span class="stringliteral">"UTC"</span>);
<a name="l00607"></a>00607 putDirect(UTCPropertyName, <span class="keyword">new</span> DateObjectFuncImp(exec,funcProto,DateObjectFuncImp::UTC, 7), DontEnum);
<a name="l00608"></a>00608
<a name="l00609"></a>00609 <span class="comment">// no. of arguments for constructor</span>
<a name="l00610"></a>00610 putDirect(lengthPropertyName, 7, ReadOnly|DontDelete|DontEnum);
<a name="l00611"></a>00611 }
<a name="l00612"></a>00612
<a name="l00613"></a>00613 <span class="keywordtype">bool</span> DateObjectImp::implementsConstruct()<span class="keyword"> const</span>
<a name="l00614"></a>00614 <span class="keyword"></span>{
<a name="l00615"></a>00615 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617
<a name="l00618"></a>00618 <span class="comment">// ECMA 15.9.3</span>
<a name="l00619"></a>00619 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> DateObjectImp::construct(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00620"></a>00620 {
<a name="l00621"></a>00621 <span class="keywordtype">int</span> numArgs = args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>();
<a name="l00622"></a>00622
<a name="l00623"></a>00623 <span class="preprocessor">#ifdef KJS_VERBOSE</span>
<a name="l00624"></a>00624 <span class="preprocessor"></span> fprintf(stderr,<span class="stringliteral">"DateObjectImp::construct - %d args\n"</span>, numArgs);
<a name="l00625"></a>00625 <span class="preprocessor">#endif</span>
<a name="l00626"></a>00626 <span class="preprocessor"></span> <span class="keywordtype">double</span> value;
<a name="l00627"></a>00627
<a name="l00628"></a>00628 <span class="keywordflow">if</span> (numArgs == 0) { <span class="comment">// new Date() ECMA 15.9.3.3</span>
<a name="l00629"></a>00629 <span class="preprocessor">#ifdef HAVE_SYS_TIMEB_H</span>
<a name="l00630"></a>00630 <span class="preprocessor"></span><span class="preprocessor"># if defined(__BORLANDC__)</span>
<a name="l00631"></a>00631 <span class="preprocessor"></span> <span class="keyword">struct </span>timeb timebuffer;
<a name="l00632"></a>00632 ftime(&timebuffer);
<a name="l00633"></a>00633 <span class="preprocessor"># else</span>
<a name="l00634"></a>00634 <span class="preprocessor"></span> <span class="keyword">struct </span>_timeb timebuffer;
<a name="l00635"></a>00635 _ftime(&timebuffer);
<a name="l00636"></a>00636 <span class="preprocessor"># endif</span>
<a name="l00637"></a>00637 <span class="preprocessor"></span> <span class="keywordtype">double</span> utc = floor((<span class="keywordtype">double</span>)timebuffer.time * 1000.0 + (<span class="keywordtype">double</span>)timebuffer.millitm);
<a name="l00638"></a>00638 <span class="preprocessor">#else</span>
<a name="l00639"></a>00639 <span class="preprocessor"></span> <span class="keyword">struct </span>timeval tv;
<a name="l00640"></a>00640 gettimeofday(&tv, 0L);
<a name="l00641"></a>00641 <span class="keywordtype">double</span> utc = floor((<span class="keywordtype">double</span>)tv.tv_sec * 1000.0 + (<span class="keywordtype">double</span>)tv.tv_usec / 1000.0);
<a name="l00642"></a>00642 <span class="preprocessor">#endif</span>
<a name="l00643"></a>00643 <span class="preprocessor"></span> value = utc;
<a name="l00644"></a>00644 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (numArgs == 1) {
<a name="l00645"></a>00645 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> prim = args[0].toPrimitive(exec);
<a name="l00646"></a>00646 <span class="keywordflow">if</span> (prim.<a class="code" href="classKJS_1_1Value.html#a1704785fc8140c274b0e7ec03eb0dfe2" title="Checks whether or not the value is of a particular tpye.">isA</a>(StringType))
<a name="l00647"></a>00647 value = parseDate(prim.<a class="code" href="classKJS_1_1Value.html#a8611b80d868cebf8dd4af2f966810874" title="Performs the ToString type conversion operation on this value (ECMA 9.8)">toString</a>(exec));
<a name="l00648"></a>00648 <span class="keywordflow">else</span>
<a name="l00649"></a>00649 value = prim.<a class="code" href="classKJS_1_1Value.html#abc006ad65a05568bbebe2c63604766b8" title="Performs the ToNumber type conversion operation on this value (ECMA 9.3)">toNumber</a>(exec);
<a name="l00650"></a>00650 } <span class="keywordflow">else</span> {
<a name="l00651"></a>00651 <span class="keywordflow">if</span> (isNaN(args[0].toNumber(exec))
<a name="l00652"></a>00652 || isNaN(args[1].toNumber(exec))
<a name="l00653"></a>00653 || (numArgs >= 3 && isNaN(args[2].toNumber(exec)))
<a name="l00654"></a>00654 || (numArgs >= 4 && isNaN(args[3].toNumber(exec)))
<a name="l00655"></a>00655 || (numArgs >= 5 && isNaN(args[4].toNumber(exec)))
<a name="l00656"></a>00656 || (numArgs >= 6 && isNaN(args[5].toNumber(exec)))
<a name="l00657"></a>00657 || (numArgs >= 7 && isNaN(args[6].toNumber(exec)))) {
<a name="l00658"></a>00658 value = NaN;
<a name="l00659"></a>00659 } <span class="keywordflow">else</span> {
<a name="l00660"></a>00660 <span class="keyword">struct </span>tm t;
<a name="l00661"></a>00661 memset(&t, 0, <span class="keyword">sizeof</span>(t));
<a name="l00662"></a>00662 <span class="keywordtype">int</span> year = args[0].toInt32(exec);
<a name="l00663"></a>00663 t.tm_year = (year >= 0 && year <= 99) ? year : year - 1900;
<a name="l00664"></a>00664 t.tm_mon = args[1].toInt32(exec);
<a name="l00665"></a>00665 t.tm_mday = (numArgs >= 3) ? args[2].toInt32(exec) : 1;
<a name="l00666"></a>00666 t.tm_hour = (numArgs >= 4) ? args[3].toInt32(exec) : 0;
<a name="l00667"></a>00667 t.tm_min = (numArgs >= 5) ? args[4].toInt32(exec) : 0;
<a name="l00668"></a>00668 t.tm_sec = (numArgs >= 6) ? args[5].toInt32(exec) : 0;
<a name="l00669"></a>00669 t.tm_isdst = -1;
<a name="l00670"></a>00670 <span class="keywordtype">int</span> ms = (numArgs >= 7) ? args[6].toInt32(exec) : 0;
<a name="l00671"></a>00671 value = makeTime(&t, ms, <span class="keyword">false</span>);
<a name="l00672"></a>00672 }
<a name="l00673"></a>00673 }
<a name="l00674"></a>00674
<a name="l00675"></a>00675 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> proto = exec-><a class="code" href="classKJS_1_1ExecState.html#af210e5fad440d91a939e71ccb2bf6be7" title="Returns the interpreter associated with the current scope's global object.">lexicalInterpreter</a>()-><a class="code" href="classKJS_1_1Interpreter.html#a1572761684c8789e56000e53c0b64a92" title="Returns the builtin "Date.prototype" object.">builtinDatePrototype</a>();
<a name="l00676"></a>00676 <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> ret(<span class="keyword">new</span> DateInstanceImp(proto.imp()));
<a name="l00677"></a>00677 ret.setInternalValue(<a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(timeClip(value)));
<a name="l00678"></a>00678 <span class="keywordflow">return</span> ret;
<a name="l00679"></a>00679 }
<a name="l00680"></a>00680
<a name="l00681"></a>00681 <span class="keywordtype">bool</span> DateObjectImp::implementsCall()<span class="keyword"> const</span>
<a name="l00682"></a>00682 <span class="keyword"></span>{
<a name="l00683"></a>00683 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00684"></a>00684 }
<a name="l00685"></a>00685
<a name="l00686"></a>00686 <span class="comment">// ECMA 15.9.2</span>
<a name="l00687"></a>00687 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> DateObjectImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &<span class="comment">/*thisObj*/</span>, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &<span class="comment">/*args*/</span>)
<a name="l00688"></a>00688 {
<a name="l00689"></a>00689 <span class="preprocessor">#ifdef KJS_VERBOSE</span>
<a name="l00690"></a>00690 <span class="preprocessor"></span> fprintf(stderr,<span class="stringliteral">"DateObjectImp::call - current time\n"</span>);
<a name="l00691"></a>00691 <span class="preprocessor">#endif</span>
<a name="l00692"></a>00692 <span class="preprocessor"></span> time_t t = time(0L);
<a name="l00693"></a>00693 <span class="comment">// FIXME: not threadsafe</span>
<a name="l00694"></a>00694 <span class="keyword">struct </span>tm *tm = localtime(&t);
<a name="l00695"></a>00695 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1String.html" title="Represents an primitive String value.">String</a>(formatDate(*tm) + <span class="stringliteral">" "</span> + formatTime(*tm));
<a name="l00696"></a>00696 }
<a name="l00697"></a>00697
<a name="l00698"></a>00698 <span class="comment">// ------------------------------ DateObjectFuncImp ----------------------------</span>
<a name="l00699"></a>00699
<a name="l00700"></a>00700 DateObjectFuncImp::DateObjectFuncImp(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a>* <span class="comment">/*exec*/</span>, <a class="code" href="classKJS_1_1FunctionPrototypeImp.html" title="The initial value of Function.prototype (and thus all objects created with the Function constructor)...">FunctionPrototypeImp</a> *funcProto,
<a name="l00701"></a>00701 <span class="keywordtype">int</span> i, <span class="keywordtype">int</span> len)
<a name="l00702"></a>00702 : <a class="code" href="classKJS_1_1InternalFunctionImp.html" title="Base class for all function objects.">InternalFunctionImp</a>(funcProto), id(i)
<a name="l00703"></a>00703 {
<a name="l00704"></a>00704 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> protect(<span class="keyword">this</span>);
<a name="l00705"></a>00705 putDirect(lengthPropertyName, len, DontDelete|ReadOnly|DontEnum);
<a name="l00706"></a>00706 }
<a name="l00707"></a>00707
<a name="l00708"></a>00708 <span class="keywordtype">bool</span> DateObjectFuncImp::implementsCall()<span class="keyword"> const</span>
<a name="l00709"></a>00709 <span class="keyword"></span>{
<a name="l00710"></a>00710 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00711"></a>00711 }
<a name="l00712"></a>00712
<a name="l00713"></a>00713 <span class="comment">// ECMA 15.9.4.2 - 3</span>
<a name="l00714"></a>00714 <a class="code" href="classKJS_1_1Value.html" title="Value objects are act as wrappers ("smart pointers") around ValueImp objects and their descendents...">Value</a> DateObjectFuncImp::call(<a class="code" href="classKJS_1_1ExecState.html" title="Represents the current state of script execution.">ExecState</a> *exec, <a class="code" href="classKJS_1_1Object.html" title="Represents an Object.">Object</a> &<span class="comment">/*thisObj*/</span>, <span class="keyword">const</span> <a class="code" href="classKJS_1_1List.html" title="Native list type.">List</a> &args)
<a name="l00715"></a>00715 {
<a name="l00716"></a>00716 <span class="keywordflow">if</span> (<span class="keywordtype">id</span> == Parse) {
<a name="l00717"></a>00717 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(parseDate(args[0].toString(exec)));
<a name="l00718"></a>00718 } <span class="keywordflow">else</span> { <span class="comment">// UTC</span>
<a name="l00719"></a>00719 <span class="keywordtype">int</span> n = args.<a class="code" href="classKJS_1_1List.html#a69835b1e6671235343b0a17923b92c43">size</a>();
<a name="l00720"></a>00720 <span class="keywordflow">if</span> (isNaN(args[0].toNumber(exec))
<a name="l00721"></a>00721 || isNaN(args[1].toNumber(exec))
<a name="l00722"></a>00722 || (n >= 3 && isNaN(args[2].toNumber(exec)))
<a name="l00723"></a>00723 || (n >= 4 && isNaN(args[3].toNumber(exec)))
<a name="l00724"></a>00724 || (n >= 5 && isNaN(args[4].toNumber(exec)))
<a name="l00725"></a>00725 || (n >= 6 && isNaN(args[5].toNumber(exec)))
<a name="l00726"></a>00726 || (n >= 7 && isNaN(args[6].toNumber(exec)))) {
<a name="l00727"></a>00727 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(NaN);
<a name="l00728"></a>00728 }
<a name="l00729"></a>00729
<a name="l00730"></a>00730 <span class="keyword">struct </span>tm t;
<a name="l00731"></a>00731 memset(&t, 0, <span class="keyword">sizeof</span>(t));
<a name="l00732"></a>00732 <span class="keywordtype">int</span> year = args[0].toInt32(exec);
<a name="l00733"></a>00733 t.tm_year = (year >= 0 && year <= 99) ? year : year - 1900;
<a name="l00734"></a>00734 t.tm_mon = args[1].toInt32(exec);
<a name="l00735"></a>00735 t.tm_mday = (n >= 3) ? args[2].toInt32(exec) : 1;
<a name="l00736"></a>00736 t.tm_hour = (n >= 4) ? args[3].toInt32(exec) : 0;
<a name="l00737"></a>00737 t.tm_min = (n >= 5) ? args[4].toInt32(exec) : 0;
<a name="l00738"></a>00738 t.tm_sec = (n >= 6) ? args[5].toInt32(exec) : 0;
<a name="l00739"></a>00739 <span class="keywordtype">int</span> ms = (n >= 7) ? args[6].toInt32(exec) : 0;
<a name="l00740"></a>00740 <span class="keywordflow">return</span> <a class="code" href="classKJS_1_1Number.html" title="Represents an primitive Number value.">Number</a>(makeTime(&t, ms, <span class="keyword">true</span>));
<a name="l00741"></a>00741 }
<a name="l00742"></a>00742 }
<a name="l00743"></a>00743
<a name="l00744"></a>00744 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00745"></a>00745
<a name="l00746"></a>00746
<a name="l00747"></a>00747 <span class="keywordtype">double</span> KJS::parseDate(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &u)
<a name="l00748"></a>00748 {
<a name="l00749"></a>00749 <span class="preprocessor">#ifdef KJS_VERBOSE</span>
<a name="l00750"></a>00750 <span class="preprocessor"></span> fprintf(stderr,<span class="stringliteral">"KJS::parseDate %s\n"</span>,u.<a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">ascii</a>());
<a name="l00751"></a>00751 <span class="preprocessor">#endif</span>
<a name="l00752"></a>00752 <span class="preprocessor"></span> <span class="keywordtype">double</span> <span class="comment">/*time_t*/</span> seconds = KRFCDate_parseDate( u );
<a name="l00753"></a>00753
<a name="l00754"></a>00754 <span class="keywordflow">return</span> seconds == invalidDate ? NaN : seconds * 1000.0;
<a name="l00755"></a>00755 }
<a name="l00756"></a>00756
<a name="l00758"></a>00758
<a name="l00759"></a>00759 <span class="keyword">static</span> <span class="keywordtype">double</span> ymdhms_to_seconds(<span class="keywordtype">int</span> year, <span class="keywordtype">int</span> mon, <span class="keywordtype">int</span> day, <span class="keywordtype">int</span> hour, <span class="keywordtype">int</span> minute, <span class="keywordtype">int</span> second)
<a name="l00760"></a>00760 {
<a name="l00761"></a>00761 <span class="comment">//printf("year=%d month=%d day=%d hour=%d minute=%d second=%d\n", year, mon, day, hour, minute, second);</span>
<a name="l00762"></a>00762
<a name="l00763"></a>00763 <span class="keywordtype">double</span> ret = (day - 32075) <span class="comment">/* days */</span>
<a name="l00764"></a>00764 + 1461L * (year + 4800L + (mon - 14) / 12) / 4
<a name="l00765"></a>00765 + 367 * (mon - 2 - (mon - 14) / 12 * 12) / 12
<a name="l00766"></a>00766 - 3 * ((year + 4900L + (mon - 14) / 12) / 100) / 4
<a name="l00767"></a>00767 - 2440588;
<a name="l00768"></a>00768 ret = 24*ret + hour; <span class="comment">/* hours */</span>
<a name="l00769"></a>00769 ret = 60*ret + minute; <span class="comment">/* minutes */</span>
<a name="l00770"></a>00770 ret = 60*ret + second; <span class="comment">/* seconds */</span>
<a name="l00771"></a>00771
<a name="l00772"></a>00772 <span class="keywordflow">return</span> ret;
<a name="l00773"></a>00773 }
<a name="l00774"></a>00774
<a name="l00775"></a>00775 <span class="comment">// we follow the recommendation of rfc2822 to consider all</span>
<a name="l00776"></a>00776 <span class="comment">// obsolete time zones not listed here equivalent to "-0000"</span>
<a name="l00777"></a>00777 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keyword">struct </span>KnownZone {
<a name="l00778"></a>00778 <span class="preprocessor">#ifdef _WIN32</span>
<a name="l00779"></a>00779 <span class="preprocessor"></span> <span class="keywordtype">char</span> tzName[4];
<a name="l00780"></a>00780 <span class="preprocessor">#else</span>
<a name="l00781"></a>00781 <span class="preprocessor"></span> <span class="keyword">const</span> <span class="keywordtype">char</span> tzName[4];
<a name="l00782"></a>00782 <span class="preprocessor">#endif</span>
<a name="l00783"></a>00783 <span class="preprocessor"></span> <span class="keywordtype">int</span> tzOffset;
<a name="l00784"></a>00784 } known_zones[] = {
<a name="l00785"></a>00785 { <span class="stringliteral">"UT"</span>, 0 },
<a name="l00786"></a>00786 { <span class="stringliteral">"GMT"</span>, 0 },
<a name="l00787"></a>00787 { <span class="stringliteral">"EST"</span>, -300 },
<a name="l00788"></a>00788 { <span class="stringliteral">"EDT"</span>, -240 },
<a name="l00789"></a>00789 { <span class="stringliteral">"CST"</span>, -360 },
<a name="l00790"></a>00790 { <span class="stringliteral">"CDT"</span>, -300 },
<a name="l00791"></a>00791 { <span class="stringliteral">"MST"</span>, -420 },
<a name="l00792"></a>00792 { <span class="stringliteral">"MDT"</span>, -360 },
<a name="l00793"></a>00793 { <span class="stringliteral">"PST"</span>, -480 },
<a name="l00794"></a>00794 { <span class="stringliteral">"PDT"</span>, -420 }
<a name="l00795"></a>00795 };
<a name="l00796"></a>00796
<a name="l00797"></a>00797 <span class="keywordtype">double</span> KJS::makeTime(<span class="keyword">struct</span> tm *t, <span class="keywordtype">double</span> ms, <span class="keywordtype">bool</span> utc)
<a name="l00798"></a>00798 {
<a name="l00799"></a>00799 <span class="keywordtype">int</span> utcOffset;
<a name="l00800"></a>00800 <span class="keywordflow">if</span> (utc) {
<a name="l00801"></a>00801 time_t zero = 0;
<a name="l00802"></a>00802 <span class="preprocessor">#if defined BSD || defined(__linux__) || defined(__APPLE__)</span>
<a name="l00803"></a>00803 <span class="preprocessor"></span> <span class="keyword">struct </span>tm t3;
<a name="l00804"></a>00804 localtime_r(&zero, &t3);
<a name="l00805"></a>00805 utcOffset = t3.tm_gmtoff;
<a name="l00806"></a>00806 t->tm_isdst = t3.tm_isdst;
<a name="l00807"></a>00807 <span class="preprocessor">#else</span>
<a name="l00808"></a>00808 <span class="preprocessor"></span> (void)localtime(&zero);
<a name="l00809"></a>00809 <span class="preprocessor"># if defined(__BORLANDC__) || defined(__CYGWIN__)</span>
<a name="l00810"></a>00810 <span class="preprocessor"></span> utcOffset = - _timezone;
<a name="l00811"></a>00811 <span class="preprocessor"># else</span>
<a name="l00812"></a>00812 <span class="preprocessor"></span> utcOffset = - timezone;
<a name="l00813"></a>00813 <span class="preprocessor"># endif</span>
<a name="l00814"></a>00814 <span class="preprocessor"></span> t->tm_isdst = 0;
<a name="l00815"></a>00815 <span class="preprocessor">#endif</span>
<a name="l00816"></a>00816 <span class="preprocessor"></span> } <span class="keywordflow">else</span> {
<a name="l00817"></a>00817 utcOffset = 0;
<a name="l00818"></a>00818 t->tm_isdst = -1;
<a name="l00819"></a>00819 }
<a name="l00820"></a>00820
<a name="l00821"></a>00821 <span class="keywordtype">double</span> yearOffset = 0.0;
<a name="l00822"></a>00822 <span class="keywordflow">if</span> (t->tm_year < (1970 - 1900) || t->tm_year > (2038 - 1900)) {
<a name="l00823"></a>00823 <span class="comment">// we'll fool mktime() into believing that this year is within</span>
<a name="l00824"></a>00824 <span class="comment">// its normal, portable range (1970-2038) by setting tm_year to</span>
<a name="l00825"></a>00825 <span class="comment">// 2000 or 2001 and adding the difference in milliseconds later.</span>
<a name="l00826"></a>00826 <span class="comment">// choice between offset will depend on whether the year is a</span>
<a name="l00827"></a>00827 <span class="comment">// leap year or not.</span>
<a name="l00828"></a>00828 <span class="keywordtype">int</span> y = t->tm_year + 1900;
<a name="l00829"></a>00829 <span class="keywordtype">int</span> baseYear = daysInYear(y) == 365 ? 2001 : 2000;
<a name="l00830"></a>00830 <span class="keyword">const</span> <span class="keywordtype">double</span> baseTime = timeFromYear(baseYear);
<a name="l00831"></a>00831 yearOffset = timeFromYear(y) - baseTime;
<a name="l00832"></a>00832 t->tm_year = baseYear - 1900;
<a name="l00833"></a>00833 }
<a name="l00834"></a>00834
<a name="l00835"></a>00835 <span class="comment">// Determine if we passed over a DST change boundary</span>
<a name="l00836"></a>00836 <span class="keywordflow">if</span> (!utc) {
<a name="l00837"></a>00837 time_t tval = mktime(t) + utcOffset + int((ms + yearOffset)/1000);
<a name="l00838"></a>00838 <span class="keyword">struct </span>tm t3;
<a name="l00839"></a>00839 localtime_r(&tval, &t3);
<a name="l00840"></a>00840 t->tm_isdst = t3.tm_isdst;
<a name="l00841"></a>00841 }
<a name="l00842"></a>00842
<a name="l00843"></a>00843 <span class="keywordflow">return</span> (mktime(t) + utcOffset) * 1000.0 + ms + yearOffset;
<a name="l00844"></a>00844 }
<a name="l00845"></a>00845
<a name="l00846"></a>00846 <span class="comment">// returns 0-11 (Jan-Dec); -1 on failure</span>
<a name="l00847"></a>00847 <span class="keyword">static</span> <span class="keywordtype">int</span> findMonth(<span class="keyword">const</span> <span class="keywordtype">char</span> *monthStr)
<a name="l00848"></a>00848 {
<a name="l00849"></a>00849 assert(monthStr);
<a name="l00850"></a>00850 <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">char</span> haystack[37] = <span class="stringliteral">"janfebmaraprmayjunjulaugsepoctnovdec"</span>;
<a name="l00851"></a>00851 <span class="keywordtype">char</span> needle[4];
<a name="l00852"></a>00852 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < 3; ++i) {
<a name="l00853"></a>00853 <span class="keywordflow">if</span> (!*monthStr)
<a name="l00854"></a>00854 <span class="keywordflow">return</span> -1;
<a name="l00855"></a>00855 needle[i] = tolower(*monthStr++);
<a name="l00856"></a>00856 }
<a name="l00857"></a>00857 needle[3] = <span class="charliteral">'\0'</span>;
<a name="l00858"></a>00858 <span class="keyword">const</span> <span class="keywordtype">char</span> *str = strstr(haystack, needle);
<a name="l00859"></a>00859 <span class="keywordflow">if</span> (str) {
<a name="l00860"></a>00860 <span class="keywordtype">int</span> position = str - haystack;
<a name="l00861"></a>00861 <span class="keywordflow">if</span> (position % 3 == 0) {
<a name="l00862"></a>00862 <span class="keywordflow">return</span> position / 3;
<a name="l00863"></a>00863 }
<a name="l00864"></a>00864 }
<a name="l00865"></a>00865 <span class="keywordflow">return</span> -1;
<a name="l00866"></a>00866 }
<a name="l00867"></a>00867
<a name="l00868"></a>00868 <span class="comment">// maybe this should be more often than just isspace() but beware of</span>
<a name="l00869"></a>00869 <span class="comment">// conflicts with : in time strings.</span>
<a name="l00870"></a>00870 <span class="keyword">static</span> <span class="keywordtype">bool</span> isSpaceLike(<span class="keywordtype">char</span> c)
<a name="l00871"></a>00871 {
<a name="l00872"></a>00872 <span class="keywordflow">return</span> isspace(c) || c == <span class="charliteral">','</span> || c == <span class="charliteral">':'</span> || c == <span class="charliteral">'-'</span>;
<a name="l00873"></a>00873 }
<a name="l00874"></a>00874
<a name="l00875"></a>00875 <span class="keywordtype">double</span> KJS::KRFCDate_parseDate(<span class="keyword">const</span> <a class="code" href="classKJS_1_1UString.html" title="Unicode string class.">UString</a> &_date)
<a name="l00876"></a>00876 {
<a name="l00877"></a>00877 <span class="comment">// This parse a date in the form:</span>
<a name="l00878"></a>00878 <span class="comment">// Wednesday, 09-Nov-99 23:12:40 GMT</span>
<a name="l00879"></a>00879 <span class="comment">// or</span>
<a name="l00880"></a>00880 <span class="comment">// Sat, 01-Jan-2000 08:00:00 GMT</span>
<a name="l00881"></a>00881 <span class="comment">// or</span>
<a name="l00882"></a>00882 <span class="comment">// Sat, 01 Jan 2000 08:00:00 GMT</span>
<a name="l00883"></a>00883 <span class="comment">// or</span>
<a name="l00884"></a>00884 <span class="comment">// 01 Jan 99 22:00 +0100 (exceptions in rfc822/rfc2822)</span>
<a name="l00885"></a>00885 <span class="comment">// ### non RFC formats, added for Javascript:</span>
<a name="l00886"></a>00886 <span class="comment">// [Wednesday] January 09 1999 23:12:40 GMT</span>
<a name="l00887"></a>00887 <span class="comment">// [Wednesday] January 09 23:12:40 GMT 1999</span>
<a name="l00888"></a>00888 <span class="comment">//</span>
<a name="l00889"></a>00889 <span class="comment">// We ignore the weekday</span>
<a name="l00890"></a>00890 <span class="comment">//</span>
<a name="l00891"></a>00891 <span class="keywordtype">double</span> result = -1;
<a name="l00892"></a>00892 <span class="keywordtype">int</span> offset = 0;
<a name="l00893"></a>00893 <span class="keywordtype">bool</span> have_tz = <span class="keyword">false</span>;
<a name="l00894"></a>00894 <span class="keywordtype">char</span> *newPosStr;
<a name="l00895"></a>00895 <span class="keyword">const</span> <span class="keywordtype">char</span> *dateString = _date.<a class="code" href="classKJS_1_1UString.html#a2ac3d2b62d65d075f2d99bf7ed2ec366" title="Convert the Unicode string to plain ASCII chars chopping of any higher bytes.">ascii</a>();
<a name="l00896"></a>00896 <span class="keywordtype">int</span> day = 0;
<a name="l00897"></a>00897 <span class="keywordtype">int</span> month = -1; <span class="comment">// not set yet</span>
<a name="l00898"></a>00898 <span class="keywordtype">int</span> year = 0;
<a name="l00899"></a>00899 <span class="keywordtype">int</span> hour = 0;
<a name="l00900"></a>00900 <span class="keywordtype">int</span> minute = 0;
<a name="l00901"></a>00901 <span class="keywordtype">int</span> second = 0;
<a name="l00902"></a>00902 <span class="keywordtype">bool</span> have_time = <span class="keyword">false</span>;
<a name="l00903"></a>00903
<a name="l00904"></a>00904 <span class="comment">// Skip leading space</span>
<a name="l00905"></a>00905 <span class="keywordflow">while</span>(*dateString && isSpaceLike(*dateString))
<a name="l00906"></a>00906 dateString++;
<a name="l00907"></a>00907
<a name="l00908"></a>00908 <span class="keyword">const</span> <span class="keywordtype">char</span> *wordStart = dateString;
<a name="l00909"></a>00909 <span class="comment">// Check contents of first words if not number</span>
<a name="l00910"></a>00910 <span class="keywordflow">while</span>(*dateString && !isdigit(*dateString))
<a name="l00911"></a>00911 {
<a name="l00912"></a>00912 <span class="keywordflow">if</span> (isSpaceLike(*dateString) && dateString - wordStart >= 3)
<a name="l00913"></a>00913 {
<a name="l00914"></a>00914 month = findMonth(wordStart);
<a name="l00915"></a>00915 <span class="keywordflow">while</span>(*dateString && isSpaceLike(*dateString))
<a name="l00916"></a>00916 dateString++;
<a name="l00917"></a>00917 wordStart = dateString;
<a name="l00918"></a>00918 }
<a name="l00919"></a>00919 <span class="keywordflow">else</span>
<a name="l00920"></a>00920 dateString++;
<a name="l00921"></a>00921 }
<a name="l00922"></a>00922 <span class="comment">// missing delimiter between month and day (like "January29")?</span>
<a name="l00923"></a>00923 <span class="keywordflow">if</span> (month == -1 && dateString && wordStart != dateString) {
<a name="l00924"></a>00924 month = findMonth(wordStart);
<a name="l00925"></a>00925 <span class="comment">// TODO: emit warning about dubious format found</span>
<a name="l00926"></a>00926 }
<a name="l00927"></a>00927
<a name="l00928"></a>00928 <span class="keywordflow">while</span>(*dateString && isSpaceLike(*dateString))
<a name="l00929"></a>00929 dateString++;
<a name="l00930"></a>00930
<a name="l00931"></a>00931 <span class="keywordflow">if</span> (!*dateString)
<a name="l00932"></a>00932 <span class="keywordflow">return</span> invalidDate;
<a name="l00933"></a>00933
<a name="l00934"></a>00934 <span class="comment">// ' 09-Nov-99 23:12:40 GMT'</span>
<a name="l00935"></a>00935 errno = 0;
<a name="l00936"></a>00936 day = strtol(dateString, &newPosStr, 10);
<a name="l00937"></a>00937 <span class="keywordflow">if</span> (errno)
<a name="l00938"></a>00938 <span class="keywordflow">return</span> invalidDate;
<a name="l00939"></a>00939 dateString = newPosStr;
<a name="l00940"></a>00940
<a name="l00941"></a>00941 <span class="keywordflow">if</span> (!*dateString)
<a name="l00942"></a>00942 <span class="keywordflow">return</span> invalidDate;
<a name="l00943"></a>00943
<a name="l00944"></a>00944 <span class="keywordflow">if</span> (day < 0)
<a name="l00945"></a>00945 <span class="keywordflow">return</span> invalidDate;
<a name="l00946"></a>00946 <span class="keywordflow">if</span> (day > 31) {
<a name="l00947"></a>00947 <span class="comment">// ### where is the boundary and what happens below?</span>
<a name="l00948"></a>00948 <span class="keywordflow">if</span> (*dateString == <span class="charliteral">'/'</span>) {
<a name="l00949"></a>00949 <span class="comment">// looks like a YYYY/MM/DD date</span>
<a name="l00950"></a>00950 <span class="keywordflow">if</span> (!*++dateString)
<a name="l00951"></a>00951 <span class="keywordflow">return</span> invalidDate;
<a name="l00952"></a>00952 year = day;
<a name="l00953"></a>00953 month = strtol(dateString, &newPosStr, 10) - 1;
<a name="l00954"></a>00954 <span class="keywordflow">if</span> (errno)
<a name="l00955"></a>00955 <span class="keywordflow">return</span> invalidDate;
<a name="l00956"></a>00956 dateString = newPosStr;
<a name="l00957"></a>00957 <span class="keywordflow">if</span> (*dateString++ != <span class="charliteral">'/'</span> || !*dateString)
<a name="l00958"></a>00958 <span class="keywordflow">return</span> invalidDate;
<a name="l00959"></a>00959 day = strtol(dateString, &newPosStr, 10);
<a name="l00960"></a>00960 <span class="keywordflow">if</span> (errno)
<a name="l00961"></a>00961 <span class="keywordflow">return</span> invalidDate;
<a name="l00962"></a>00962 dateString = newPosStr;
<a name="l00963"></a>00963 } <span class="keywordflow">else</span> {
<a name="l00964"></a>00964 <span class="keywordflow">return</span> invalidDate;
<a name="l00965"></a>00965 }
<a name="l00966"></a>00966 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (*dateString == <span class="charliteral">'/'</span> && month == -1)
<a name="l00967"></a>00967 {
<a name="l00968"></a>00968 dateString++;
<a name="l00969"></a>00969 <span class="comment">// This looks like a MM/DD/YYYY date, not an RFC date.....</span>
<a name="l00970"></a>00970 month = day - 1; <span class="comment">// 0-based</span>
<a name="l00971"></a>00971 day = strtol(dateString, &newPosStr, 10);
<a name="l00972"></a>00972 <span class="keywordflow">if</span> (errno)
<a name="l00973"></a>00973 <span class="keywordflow">return</span> invalidDate;
<a name="l00974"></a>00974 dateString = newPosStr;
<a name="l00975"></a>00975 <span class="keywordflow">if</span> (*dateString == <span class="charliteral">'/'</span>)
<a name="l00976"></a>00976 dateString++;
<a name="l00977"></a>00977 <span class="keywordflow">if</span> (!*dateString)
<a name="l00978"></a>00978 <span class="keywordflow">return</span> invalidDate;
<a name="l00979"></a>00979 <span class="comment">//printf("month=%d day=%d dateString=%s\n", month, day, dateString);</span>
<a name="l00980"></a>00980 }
<a name="l00981"></a>00981 <span class="keywordflow">else</span>
<a name="l00982"></a>00982 {
<a name="l00983"></a>00983 <span class="keywordflow">if</span> (*dateString == <span class="charliteral">'-'</span>)
<a name="l00984"></a>00984 dateString++;
<a name="l00985"></a>00985
<a name="l00986"></a>00986 <span class="keywordflow">while</span>(*dateString && isSpaceLike(*dateString))
<a name="l00987"></a>00987 dateString++;
<a name="l00988"></a>00988
<a name="l00989"></a>00989 <span class="keywordflow">if</span> (*dateString == <span class="charliteral">','</span>)
<a name="l00990"></a>00990 dateString++;
<a name="l00991"></a>00991
<a name="l00992"></a>00992 <span class="keywordflow">if</span> ( month == -1 ) <span class="comment">// not found yet</span>
<a name="l00993"></a>00993 {
<a name="l00994"></a>00994 month = findMonth(dateString);
<a name="l00995"></a>00995 <span class="keywordflow">if</span> (month == -1)
<a name="l00996"></a>00996 <span class="keywordflow">return</span> invalidDate;
<a name="l00997"></a>00997
<a name="l00998"></a>00998 <span class="keywordflow">while</span>(*dateString && (*dateString != <span class="charliteral">'-'</span>) && !isSpaceLike(*dateString))
<a name="l00999"></a>00999 dateString++;
<a name="l01000"></a>01000
<a name="l01001"></a>01001 <span class="keywordflow">if</span> (!*dateString)
<a name="l01002"></a>01002 <span class="keywordflow">return</span> invalidDate;
<a name="l01003"></a>01003
<a name="l01004"></a>01004 <span class="comment">// '-99 23:12:40 GMT'</span>
<a name="l01005"></a>01005 <span class="keywordflow">if</span> ((*dateString != <span class="charliteral">'-'</span>) && (*dateString != <span class="charliteral">'/'</span>) && !isspace(*dateString))
<a name="l01006"></a>01006 <span class="keywordflow">return</span> invalidDate;
<a name="l01007"></a>01007 dateString++;
<a name="l01008"></a>01008 }
<a name="l01009"></a>01009
<a name="l01010"></a>01010 <span class="keywordflow">if</span> ((month < 0) || (month > 11))
<a name="l01011"></a>01011 <span class="keywordflow">return</span> invalidDate;
<a name="l01012"></a>01012 }
<a name="l01013"></a>01013
<a name="l01014"></a>01014 <span class="comment">// '99 23:12:40 GMT'</span>
<a name="l01015"></a>01015 <span class="keywordflow">if</span> (year <= 0 && *dateString) {
<a name="l01016"></a>01016 year = strtol(dateString, &newPosStr, 10);
<a name="l01017"></a>01017 <span class="keywordflow">if</span> (errno)
<a name="l01018"></a>01018 <span class="keywordflow">return</span> invalidDate;
<a name="l01019"></a>01019 }
<a name="l01020"></a>01020
<a name="l01021"></a>01021 <span class="comment">// Don't fail if the time is missing.</span>
<a name="l01022"></a>01022 <span class="keywordflow">if</span> (*newPosStr)
<a name="l01023"></a>01023 {
<a name="l01024"></a>01024 <span class="comment">// ' 23:12:40 GMT'</span>
<a name="l01025"></a>01025 <span class="keywordflow">if</span> (*newPosStr == <span class="charliteral">':'</span>) <span class="comment">// Ah, so there was no year, but the number was the hour</span>
<a name="l01026"></a>01026 year = -1;
<a name="l01027"></a>01027 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (isSpaceLike(*newPosStr)) <span class="comment">// we parsed the year</span>
<a name="l01028"></a>01028 dateString = ++newPosStr;
<a name="l01029"></a>01029 <span class="keywordflow">else</span>
<a name="l01030"></a>01030 <span class="keywordflow">return</span> invalidDate;
<a name="l01031"></a>01031
<a name="l01032"></a>01032 hour = strtol(dateString, &newPosStr, 10);
<a name="l01033"></a>01033
<a name="l01034"></a>01034 <span class="comment">// Do not check for errno here since we want to continue</span>
<a name="l01035"></a>01035 <span class="comment">// even if errno was set becasue we are still looking</span>
<a name="l01036"></a>01036 <span class="comment">// for the timezone!</span>
<a name="l01037"></a>01037 <span class="comment">// read a number? if not this might be a timezone name</span>
<a name="l01038"></a>01038 <span class="keywordflow">if</span> (newPosStr != dateString) {
<a name="l01039"></a>01039 have_time = <span class="keyword">true</span>;
<a name="l01040"></a>01040 dateString = newPosStr;
<a name="l01041"></a>01041
<a name="l01042"></a>01042 <span class="keywordflow">if</span> ((hour < 0) || (hour > 23))
<a name="l01043"></a>01043 <span class="keywordflow">return</span> invalidDate;
<a name="l01044"></a>01044
<a name="l01045"></a>01045 <span class="keywordflow">if</span> (!*dateString)
<a name="l01046"></a>01046 <span class="keywordflow">return</span> invalidDate;
<a name="l01047"></a>01047
<a name="l01048"></a>01048 <span class="comment">// ':12:40 GMT'</span>
<a name="l01049"></a>01049 <span class="keywordflow">if</span> (*dateString++ != <span class="charliteral">':'</span>)
<a name="l01050"></a>01050 <span class="keywordflow">return</span> invalidDate;
<a name="l01051"></a>01051
<a name="l01052"></a>01052 minute = strtol(dateString, &newPosStr, 10);
<a name="l01053"></a>01053 <span class="keywordflow">if</span> (errno)
<a name="l01054"></a>01054 <span class="keywordflow">return</span> invalidDate;
<a name="l01055"></a>01055 dateString = newPosStr;
<a name="l01056"></a>01056
<a name="l01057"></a>01057 <span class="keywordflow">if</span> ((minute < 0) || (minute > 59))
<a name="l01058"></a>01058 <span class="keywordflow">return</span> invalidDate;
<a name="l01059"></a>01059
<a name="l01060"></a>01060 <span class="comment">// ':40 GMT'</span>
<a name="l01061"></a>01061 <span class="keywordflow">if</span> (*dateString && *dateString != <span class="charliteral">':'</span> && !isspace(*dateString))
<a name="l01062"></a>01062 <span class="keywordflow">return</span> invalidDate;
<a name="l01063"></a>01063
<a name="l01064"></a>01064 <span class="comment">// seconds are optional in rfc822 + rfc2822</span>
<a name="l01065"></a>01065 <span class="keywordflow">if</span> (*dateString ==<span class="charliteral">':'</span>) {
<a name="l01066"></a>01066 dateString++;
<a name="l01067"></a>01067
<a name="l01068"></a>01068 second = strtol(dateString, &newPosStr, 10);
<a name="l01069"></a>01069 <span class="keywordflow">if</span> (errno)
<a name="l01070"></a>01070 <span class="keywordflow">return</span> invalidDate;
<a name="l01071"></a>01071 dateString = newPosStr;
<a name="l01072"></a>01072
<a name="l01073"></a>01073 <span class="keywordflow">if</span> ((second < 0) || (second > 59))
<a name="l01074"></a>01074 <span class="keywordflow">return</span> invalidDate;
<a name="l01075"></a>01075
<a name="l01076"></a>01076 <span class="comment">// disallow trailing colon seconds</span>
<a name="l01077"></a>01077 <span class="keywordflow">if</span> (*dateString == <span class="charliteral">':'</span>)
<a name="l01078"></a>01078 <span class="keywordflow">return</span> invalidDate;
<a name="l01079"></a>01079 }
<a name="l01080"></a>01080
<a name="l01081"></a>01081 <span class="keywordflow">while</span>(*dateString && isspace(*dateString))
<a name="l01082"></a>01082 dateString++;
<a name="l01083"></a>01083
<a name="l01084"></a>01084 <span class="keywordflow">if</span> (strncasecmp(dateString, <span class="stringliteral">"AM"</span>, 2) == 0) {
<a name="l01085"></a>01085 <span class="keywordflow">if</span> (hour > 12)
<a name="l01086"></a>01086 <span class="keywordflow">return</span> invalidDate;
<a name="l01087"></a>01087 <span class="keywordflow">if</span> (hour == 12)
<a name="l01088"></a>01088 hour = 0;
<a name="l01089"></a>01089 dateString += 2;
<a name="l01090"></a>01090 <span class="keywordflow">while</span> (isspace(*dateString))
<a name="l01091"></a>01091 dateString++;
<a name="l01092"></a>01092 } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (strncasecmp(dateString, <span class="stringliteral">"PM"</span>, 2) == 0) {
<a name="l01093"></a>01093 <span class="keywordflow">if</span> (hour > 12)
<a name="l01094"></a>01094 <span class="keywordflow">return</span> invalidDate;
<a name="l01095"></a>01095 <span class="keywordflow">if</span> (hour != 12)
<a name="l01096"></a>01096 hour += 12;
<a name="l01097"></a>01097 dateString += 2;
<a name="l01098"></a>01098 <span class="keywordflow">while</span> (isspace(*dateString))
<a name="l01099"></a>01099 dateString++;
<a name="l01100"></a>01100 }
<a name="l01101"></a>01101 }
<a name="l01102"></a>01102 } <span class="keywordflow">else</span> {
<a name="l01103"></a>01103 dateString = newPosStr;
<a name="l01104"></a>01104 }
<a name="l01105"></a>01105
<a name="l01106"></a>01106 <span class="comment">// don't fail if the time zone is missing, some</span>
<a name="l01107"></a>01107 <span class="comment">// broken mail-/news-clients omit the time zone</span>
<a name="l01108"></a>01108 <span class="keywordflow">if</span> (*dateString) {
<a name="l01109"></a>01109
<a name="l01110"></a>01110 <span class="keywordflow">if</span> (strncasecmp(dateString, <span class="stringliteral">"GMT"</span>, 3) == 0 ||
<a name="l01111"></a>01111 strncasecmp(dateString, <span class="stringliteral">"UTC"</span>, 3) == 0)
<a name="l01112"></a>01112 {
<a name="l01113"></a>01113 dateString += 3;
<a name="l01114"></a>01114 have_tz = <span class="keyword">true</span>;
<a name="l01115"></a>01115 }
<a name="l01116"></a>01116
<a name="l01117"></a>01117 <span class="keywordflow">while</span> (*dateString && isspace(*dateString))
<a name="l01118"></a>01118 ++dateString;
<a name="l01119"></a>01119
<a name="l01120"></a>01120 <span class="keywordflow">if</span> (strncasecmp(dateString, <span class="stringliteral">"GMT"</span>, 3) == 0) {
<a name="l01121"></a>01121 dateString += 3;
<a name="l01122"></a>01122 }
<a name="l01123"></a>01123 <span class="keywordflow">if</span> ((*dateString == <span class="charliteral">'+'</span>) || (*dateString == <span class="charliteral">'-'</span>)) {
<a name="l01124"></a>01124 offset = strtol(dateString, &newPosStr, 10);
<a name="l01125"></a>01125 <span class="keywordflow">if</span> (errno)
<a name="l01126"></a>01126 <span class="keywordflow">return</span> invalidDate;
<a name="l01127"></a>01127 dateString = newPosStr;
<a name="l01128"></a>01128
<a name="l01129"></a>01129 <span class="keywordflow">if</span> ((offset < -9959) || (offset > 9959))
<a name="l01130"></a>01130 <span class="keywordflow">return</span> invalidDate;
<a name="l01131"></a>01131
<a name="l01132"></a>01132 <span class="keywordtype">int</span> sgn = (offset < 0)? -1:1;
<a name="l01133"></a>01133 offset = abs(offset);
<a name="l01134"></a>01134 <span class="keywordflow">if</span> ( *dateString == <span class="charliteral">':'</span> ) { <span class="comment">// GMT+05:00</span>
<a name="l01135"></a>01135 <span class="keywordtype">int</span> offset2 = strtol(dateString, &newPosStr, 10);
<a name="l01136"></a>01136 <span class="keywordflow">if</span> (errno)
<a name="l01137"></a>01137 <span class="keywordflow">return</span> invalidDate;
<a name="l01138"></a>01138 dateString = newPosStr;
<a name="l01139"></a>01139 offset = (offset*60 + offset2)*sgn;
<a name="l01140"></a>01140 }
<a name="l01141"></a>01141 <span class="keywordflow">else</span>
<a name="l01142"></a>01142 offset = ((offset / 100)*60 + (offset % 100))*sgn;
<a name="l01143"></a>01143 have_tz = <span class="keyword">true</span>;
<a name="l01144"></a>01144 } <span class="keywordflow">else</span> {
<a name="l01145"></a>01145 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i < int(<span class="keyword">sizeof</span>(known_zones)/<span class="keyword">sizeof</span>(KnownZone)); i++) {
<a name="l01146"></a>01146 <span class="keywordflow">if</span> (0 == strncasecmp(dateString, known_zones[i].tzName, strlen(known_zones[i].tzName))) {
<a name="l01147"></a>01147 offset = known_zones[i].tzOffset;
<a name="l01148"></a>01148 dateString += strlen(known_zones[i].tzName);
<a name="l01149"></a>01149 have_tz = <span class="keyword">true</span>;
<a name="l01150"></a>01150 <span class="keywordflow">break</span>;
<a name="l01151"></a>01151 }
<a name="l01152"></a>01152 }
<a name="l01153"></a>01153 }
<a name="l01154"></a>01154 }
<a name="l01155"></a>01155
<a name="l01156"></a>01156 <span class="keywordflow">while</span>(*dateString && isspace(*dateString))
<a name="l01157"></a>01157 dateString++;
<a name="l01158"></a>01158
<a name="l01159"></a>01159 <span class="keywordflow">if</span> ( *dateString && year == -1 ) {
<a name="l01160"></a>01160 year = strtol(dateString, &newPosStr, 10);
<a name="l01161"></a>01161 <span class="keywordflow">if</span> (errno)
<a name="l01162"></a>01162 <span class="keywordflow">return</span> invalidDate;
<a name="l01163"></a>01163 dateString = newPosStr;
<a name="l01164"></a>01164 }
<a name="l01165"></a>01165
<a name="l01166"></a>01166 <span class="keywordflow">while</span> (isspace(*dateString))
<a name="l01167"></a>01167 dateString++;
<a name="l01168"></a>01168
<a name="l01169"></a>01169 <span class="preprocessor">#if 0</span>
<a name="l01170"></a>01170 <span class="preprocessor"></span> <span class="comment">// Trailing garbage</span>
<a name="l01171"></a>01171 <span class="keywordflow">if</span> (*dateString != <span class="charliteral">'\0'</span>)
<a name="l01172"></a>01172 <span class="keywordflow">return</span> invalidDate;
<a name="l01173"></a>01173 <span class="preprocessor">#endif</span>
<a name="l01174"></a>01174 <span class="preprocessor"></span>
<a name="l01175"></a>01175 <span class="comment">// Y2K: Solve 2 digit years</span>
<a name="l01176"></a>01176 <span class="keywordflow">if</span> ((year >= 0) && (year < 50))
<a name="l01177"></a>01177 year += 2000;
<a name="l01178"></a>01178
<a name="l01179"></a>01179 <span class="keywordflow">if</span> ((year >= 50) && (year < 100))
<a name="l01180"></a>01180 year += 1900; <span class="comment">// Y2K</span>
<a name="l01181"></a>01181
<a name="l01182"></a>01182 <span class="keywordflow">if</span> (!have_tz) {
<a name="l01183"></a>01183 <span class="comment">// fall back to midnight, local timezone</span>
<a name="l01184"></a>01184 <span class="keyword">struct </span>tm t;
<a name="l01185"></a>01185 memset(&t, 0, <span class="keyword">sizeof</span>(tm));
<a name="l01186"></a>01186 t.tm_mday = day;
<a name="l01187"></a>01187 t.tm_mon = month;
<a name="l01188"></a>01188 t.tm_year = year - 1900;
<a name="l01189"></a>01189 t.tm_isdst = -1;
<a name="l01190"></a>01190 <span class="keywordflow">if</span> (have_time) {
<a name="l01191"></a>01191 t.tm_sec = second;
<a name="l01192"></a>01192 t.tm_min = minute;
<a name="l01193"></a>01193 t.tm_hour = hour;
<a name="l01194"></a>01194 }
<a name="l01195"></a>01195
<a name="l01196"></a>01196 <span class="comment">// better not use mktime() as it can't handle the full year range</span>
<a name="l01197"></a>01197 <span class="keywordflow">return</span> makeTime(&t, 0, <span class="keyword">false</span>) / 1000.0;
<a name="l01198"></a>01198 }
<a name="l01199"></a>01199
<a name="l01200"></a>01200 result = ymdhms_to_seconds(year, month+1, day, hour, minute, second) - offset*60;
<a name="l01201"></a>01201 <span class="keywordflow">return</span> result;
<a name="l01202"></a>01202 }
<a name="l01203"></a>01203
<a name="l01204"></a>01204
<a name="l01205"></a>01205 <span class="keywordtype">double</span> KJS::timeClip(<span class="keywordtype">double</span> t)
<a name="l01206"></a>01206 {
<a name="l01207"></a>01207 <span class="keywordflow">if</span> (isInf(t))
<a name="l01208"></a>01208 <span class="keywordflow">return</span> NaN;
<a name="l01209"></a>01209 <span class="keywordtype">double</span> at = fabs(t);
<a name="l01210"></a>01210 <span class="keywordflow">if</span> (at > 8.64E15)
<a name="l01211"></a>01211 <span class="keywordflow">return</span> NaN;
<a name="l01212"></a>01212 <span class="keywordflow">return</span> floor(at) * (t != at ? -1 : 1);
<a name="l01213"></a>01213 }
<a name="l01214"></a>01214
</pre></div></div>
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