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<div class="title">ktimezones.cpp</div> </div>
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<div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
<a name="l00002"></a>00002 <span class="comment"> This file is part of the KDE libraries</span>
<a name="l00003"></a>00003 <span class="comment"> Copyright (c) 2005 S.R.Haque <srhaque@iee.org>.</span>
<a name="l00004"></a>00004 <span class="comment"></span>
<a name="l00005"></a>00005 <span class="comment"> This library is free software; you can redistribute it and/or</span>
<a name="l00006"></a>00006 <span class="comment"> modify it under the terms of the GNU Library General Public</span>
<a name="l00007"></a>00007 <span class="comment"> License version 2 as published by the Free Software Foundation.</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment"> This library is distributed in the hope that it will be useful,</span>
<a name="l00010"></a>00010 <span class="comment"> but WITHOUT ANY WARRANTY; without even the implied warranty of</span>
<a name="l00011"></a>00011 <span class="comment"> MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span>
<a name="l00012"></a>00012 <span class="comment"> Library General Public License for more details.</span>
<a name="l00013"></a>00013 <span class="comment"></span>
<a name="l00014"></a>00014 <span class="comment"> You should have received a copy of the GNU Library General Public License</span>
<a name="l00015"></a>00015 <span class="comment"> along with this library; see the file COPYING.LIB. If not, write to</span>
<a name="l00016"></a>00016 <span class="comment"> the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,</span>
<a name="l00017"></a>00017 <span class="comment"> Boston, MA 02110-1301, USA.</span>
<a name="l00018"></a>00018 <span class="comment">*/</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="preprocessor">#include <config.h></span>
<a name="l00021"></a>00021
<a name="l00022"></a>00022 <span class="preprocessor">#include <ktimezones.h></span>
<a name="l00023"></a>00023 <span class="preprocessor">#include <kdebug.h></span>
<a name="l00024"></a>00024 <span class="preprocessor">#include <kmdcodec.h></span>
<a name="l00025"></a>00025 <span class="preprocessor">#include <kprocess.h></span>
<a name="l00026"></a>00026 <span class="preprocessor">#include <kstringhandler.h></span>
<a name="l00027"></a>00027 <span class="preprocessor">#include <ktempfile.h></span>
<a name="l00028"></a>00028
<a name="l00029"></a>00029 <span class="preprocessor">#include <qdatetime.h></span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <qfile.h></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <qregexp.h></span>
<a name="l00032"></a>00032 <span class="preprocessor">#include <qstringlist.h></span>
<a name="l00033"></a>00033 <span class="preprocessor">#include <qtextstream.h></span>
<a name="l00034"></a>00034
<a name="l00035"></a>00035 <span class="preprocessor">#include <cerrno></span>
<a name="l00036"></a>00036 <span class="preprocessor">#include <climits></span>
<a name="l00037"></a>00037 <span class="preprocessor">#include <cstdlib></span>
<a name="l00038"></a>00038 <span class="preprocessor">#include <cstring></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include <ctime></span>
<a name="l00040"></a>00040
<a name="l00041"></a>00041 <span class="preprocessor">#define UTC_ZONE "UTC"</span>
<a name="l00042"></a>00042 <span class="preprocessor"></span>
<a name="l00051"></a>00051 <span class="keyword">class </span>AbbreviationsMatch :
<a name="l00052"></a>00052 <span class="keyword">public</span> <a class="code" href="classKTimezoneDetails.html" title="The KTimezoneDetails class contains extended functions related to a timezone.">KTimezoneDetails</a>
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 <span class="keyword">public</span>:
<a name="l00055"></a>00055 AbbreviationsMatch(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &stdZone, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &dstZone = <span class="stringliteral">""</span>)
<a name="l00056"></a>00056 {
<a name="l00057"></a>00057 m_stdZone = stdZone;
<a name="l00058"></a>00058 m_dstZone = dstZone;
<a name="l00059"></a>00059 }
<a name="l00060"></a>00060
<a name="l00061"></a>00061 <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a9c2347eaf0f87eea9c1b07621dd2ca3a" title="Always called before any other callback.">parseStarted</a>()
<a name="l00062"></a>00062 {
<a name="l00063"></a>00063 m_foundStd = <span class="keyword">false</span>;
<a name="l00064"></a>00064 m_foundDst = m_dstZone.isEmpty();
<a name="l00065"></a>00065 }
<a name="l00066"></a>00066
<a name="l00067"></a>00067 <span class="keywordtype">bool</span> test()
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 <span class="keywordflow">return</span> (m_foundStd && m_foundDst);
<a name="l00070"></a>00070 }
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">private</span>:
<a name="l00073"></a>00073 <span class="keywordtype">bool</span> m_foundStd;
<a name="l00074"></a>00074 <span class="keywordtype">bool</span> m_foundDst;
<a name="l00075"></a>00075 <a class="codeRef" href="qstring.html">QString</a> m_stdZone;
<a name="l00076"></a>00076 <a class="codeRef" href="qstring.html">QString</a> m_dstZone;
<a name="l00077"></a>00077
<a name="l00078"></a>00078 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a3b5690500a799acba6f05d5af6b39ade" title="Called when a timezone abbreviation is seen.">gotAbbreviation</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &value)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordflow">if</span> (m_stdZone == value)
<a name="l00081"></a>00081 {
<a name="l00082"></a>00082 m_foundStd = <span class="keyword">true</span>;
<a name="l00083"></a>00083 }
<a name="l00084"></a>00084 <span class="keywordflow">if</span> (m_dstZone == value)
<a name="l00085"></a>00085 {
<a name="l00086"></a>00086 m_foundDst = <span class="keyword">true</span>;
<a name="l00087"></a>00087 }
<a name="l00088"></a>00088 }
<a name="l00089"></a>00089 };
<a name="l00090"></a>00090
<a name="l00094"></a>00094 <span class="keyword">class </span>DummySource :
<a name="l00095"></a>00095 <span class="keyword">public</span> <a class="code" href="classKTimezoneSource.html" title="The KTimezoneSource class contains information source-dependent functions related to a timezone...">KTimezoneSource</a>
<a name="l00096"></a>00096 {
<a name="l00097"></a>00097 <span class="keyword">public</span>:
<a name="l00098"></a>00098 DummySource() :
<a name="l00099"></a>00099 <a class="code" href="classKTimezoneSource.html" title="The KTimezoneSource class contains information source-dependent functions related to a timezone...">KTimezoneSource</a>(<span class="stringliteral">""</span>)
<a name="l00100"></a>00100 {
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">virtual</span> <span class="keywordtype">bool</span> <a class="code" href="classKTimezoneSource.html#acec383c31ff989a121af031387654fe7" title="Extract timezone detail information.">parse</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &<span class="comment">/*zone*/</span>, <a class="code" href="classKTimezoneDetails.html" title="The KTimezoneDetails class contains extended functions related to a timezone.">KTimezoneDetails</a> &<span class="comment">/*dataReceiver*/</span>)<span class="keyword"> const</span>
<a name="l00104"></a>00104 <span class="keyword"> </span>{
<a name="l00105"></a>00105 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00106"></a>00106 }
<a name="l00107"></a>00107 };
<a name="l00108"></a>00108
<a name="l00112"></a>00112 <span class="keyword">class </span>OffsetFind :
<a name="l00113"></a>00113 <span class="keyword">public</span> <a class="code" href="classKTimezoneDetails.html" title="The KTimezoneDetails class contains extended functions related to a timezone.">KTimezoneDetails</a>
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 <span class="keyword">public</span>:
<a name="l00116"></a>00116 OffsetFind(<span class="keywordtype">unsigned</span> dateTime)
<a name="l00117"></a>00117 {
<a name="l00118"></a>00118 m_dateTime = dateTime;
<a name="l00119"></a>00119 }
<a name="l00120"></a>00120
<a name="l00121"></a>00121 <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a9c2347eaf0f87eea9c1b07621dd2ca3a" title="Always called before any other callback.">parseStarted</a>()
<a name="l00122"></a>00122 {
<a name="l00123"></a>00123 m_transitionTimeIndex = 0;
<a name="l00124"></a>00124 m_localTimeIndex = -1;
<a name="l00125"></a>00125 m_abbrIndex = -1;
<a name="l00126"></a>00126 m_offset = 0;
<a name="l00127"></a>00127 m_isDst = <span class="keyword">false</span>;
<a name="l00128"></a>00128 m_abbr = UTC_ZONE;
<a name="l00129"></a>00129 }
<a name="l00130"></a>00130
<a name="l00131"></a>00131 <span class="keywordtype">int</span> offset()
<a name="l00132"></a>00132 {
<a name="l00133"></a>00133 <span class="keywordflow">return</span> m_offset;
<a name="l00134"></a>00134 }
<a name="l00135"></a>00135
<a name="l00136"></a>00136 <span class="keywordtype">bool</span> isDst()
<a name="l00137"></a>00137 {
<a name="l00138"></a>00138 <span class="keywordflow">return</span> m_isDst;
<a name="l00139"></a>00139 }
<a name="l00140"></a>00140
<a name="l00141"></a>00141 <a class="codeRef" href="qstring.html">QString</a> abbreviation()
<a name="l00142"></a>00142 {
<a name="l00143"></a>00143 <span class="keywordflow">return</span> m_abbr;
<a name="l00144"></a>00144 }
<a name="l00145"></a>00145
<a name="l00146"></a>00146 <span class="keyword">private</span>:
<a name="l00147"></a>00147 <span class="keywordtype">unsigned</span> m_dateTime;
<a name="l00148"></a>00148 <span class="keywordtype">int</span> m_transitionTimeIndex;
<a name="l00149"></a>00149 <span class="keywordtype">int</span> m_localTimeIndex;
<a name="l00150"></a>00150 <span class="keywordtype">int</span> m_abbrIndex;
<a name="l00151"></a>00151 <span class="keywordtype">int</span> m_offset;
<a name="l00152"></a>00152 <span class="keywordtype">bool</span> m_isDst;
<a name="l00153"></a>00153 <a class="codeRef" href="qstring.html">QString</a> m_abbr;
<a name="l00154"></a>00154
<a name="l00155"></a>00155 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#aa3c68fcbbdb3692e71d277ae648f3c36" title="Called when a transition time is seen.">gotTransitionTime</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">unsigned</span> transitionTime)
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 <span class="keywordflow">if</span> (transitionTime <= m_dateTime)
<a name="l00158"></a>00158 {
<a name="l00159"></a>00159 <span class="comment">// Remember the index of the transition time that relates to dateTime.</span>
<a name="l00160"></a>00160 m_transitionTimeIndex = index;
<a name="l00161"></a>00161 }
<a name="l00162"></a>00162 }
<a name="l00163"></a>00163
<a name="l00164"></a>00164 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a6b934c372a1d7e3e8131b98e39a03b78" title="Called when a local time index is seen.">gotLocalTimeIndex</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">unsigned</span> localTimeIndex)
<a name="l00165"></a>00165 {
<a name="l00166"></a>00166 <span class="keywordflow">if</span> (index == m_transitionTimeIndex)
<a name="l00167"></a>00167 {
<a name="l00168"></a>00168 <span class="comment">// Remember the index of the local time that relates to dateTime.</span>
<a name="l00169"></a>00169 m_localTimeIndex = localTimeIndex;
<a name="l00170"></a>00170 }
<a name="l00171"></a>00171 }
<a name="l00172"></a>00172
<a name="l00173"></a>00173 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a589550e9a529a73bf8636e3a8c54e5ec" title="Called when a local time is seen.">gotLocalTime</a>(<span class="keywordtype">int</span> index, <span class="keywordtype">int</span> gmtOff, <span class="keywordtype">bool</span> isDst, <span class="keywordtype">unsigned</span> abbrInd)
<a name="l00174"></a>00174 {
<a name="l00175"></a>00175 <span class="keywordflow">if</span> (index == m_localTimeIndex)
<a name="l00176"></a>00176 {
<a name="l00177"></a>00177 <span class="comment">// Remember the results that relate to gmtOffset.</span>
<a name="l00178"></a>00178 m_offset = gmtOff;
<a name="l00179"></a>00179 m_isDst = isDst;
<a name="l00180"></a>00180 m_abbrIndex = abbrInd;
<a name="l00181"></a>00181 }
<a name="l00182"></a>00182 }
<a name="l00183"></a>00183
<a name="l00184"></a>00184 <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a3b5690500a799acba6f05d5af6b39ade" title="Called when a timezone abbreviation is seen.">gotAbbreviation</a>(<span class="keywordtype">int</span> index, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &value)
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 <span class="keywordflow">if</span> (index == m_abbrIndex)
<a name="l00187"></a>00187 {
<a name="l00188"></a>00188 m_abbr = value;
<a name="l00189"></a>00189 }
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 };
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="keyword">const</span> <span class="keywordtype">float</span> <a class="code" href="classKTimezone.html#a8eadd173c7dd267fd15e85f8c180b7df" title="A representation for unknown locations; this is a float that does not represent a real latitude or lo...">KTimezone::UNKNOWN</a> = 1000.0;
<a name="l00194"></a>00194
<a name="l00195"></a><a class="code" href="classKTimezone.html#a2e3eff275381cfffac54c5fc508b0f6f">00195</a> <span class="keywordtype">bool</span> <a class="code" href="classKTimezone.html#a2e3eff275381cfffac54c5fc508b0f6f" title="A test for a valid latitude.">KTimezone::isValidLatitude</a>(<span class="keywordtype">float</span> latitude)
<a name="l00196"></a>00196 {
<a name="l00197"></a>00197 <span class="keywordflow">return</span> (latitude >= -90.0) && (latitude <= 90.0);
<a name="l00198"></a>00198 }
<a name="l00199"></a>00199
<a name="l00200"></a><a class="code" href="classKTimezone.html#a8886b5b0409f25e03149f54996a8a8ae">00200</a> <span class="keywordtype">bool</span> <a class="code" href="classKTimezone.html#a8886b5b0409f25e03149f54996a8a8ae" title="A test for a valid longitude.">KTimezone::isValidLongitude</a>(<span class="keywordtype">float</span> longitude)
<a name="l00201"></a>00201 {
<a name="l00202"></a>00202 <span class="keywordflow">return</span> (longitude >= -180.0) && (longitude <= 180.0);
<a name="l00203"></a>00203 }
<a name="l00204"></a>00204
<a name="l00205"></a><a class="code" href="classKTimezone.html#ab48333e9b3d1a3f540014893d1f42c30">00205</a> <a class="code" href="classKTimezone.html#ab48333e9b3d1a3f540014893d1f42c30" title="Create a timezone.">KTimezone::KTimezone</a>(
<a name="l00206"></a>00206 <a class="code" href="classKSharedPtr.html">KSharedPtr<KTimezoneSource></a> db, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a>& name,
<a name="l00207"></a>00207 <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &countryCode, <span class="keywordtype">float</span> latitude, <span class="keywordtype">float</span> longitude,
<a name="l00208"></a>00208 <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &comment) :
<a name="l00209"></a>00209 m_db(db),
<a name="l00210"></a>00210 m_name(name),
<a name="l00211"></a>00211 m_countryCode(countryCode),
<a name="l00212"></a>00212 m_latitude(latitude),
<a name="l00213"></a>00213 m_longitude(longitude),
<a name="l00214"></a>00214 m_comment(comment),
<a name="l00215"></a>00215 d(0)
<a name="l00216"></a>00216 {
<a name="l00217"></a>00217 <span class="comment">// Detect duff values.</span>
<a name="l00218"></a>00218 <span class="keywordflow">if</span> (m_latitude * m_latitude > 90 * 90)
<a name="l00219"></a>00219 m_latitude = <a class="code" href="classKTimezone.html#a8eadd173c7dd267fd15e85f8c180b7df" title="A representation for unknown locations; this is a float that does not represent a real latitude or lo...">UNKNOWN</a>;
<a name="l00220"></a>00220 <span class="keywordflow">if</span> (m_longitude * m_longitude > 180 * 180)
<a name="l00221"></a>00221 m_longitude = <a class="code" href="classKTimezone.html#a8eadd173c7dd267fd15e85f8c180b7df" title="A representation for unknown locations; this is a float that does not represent a real latitude or lo...">UNKNOWN</a>;
<a name="l00222"></a>00222 }
<a name="l00223"></a>00223
<a name="l00224"></a>00224 KTimezone::~KTimezone()
<a name="l00225"></a>00225 {
<a name="l00226"></a>00226 <span class="comment">// FIXME when needed:</span>
<a name="l00227"></a>00227 <span class="comment">// delete d;</span>
<a name="l00228"></a>00228 }
<a name="l00229"></a>00229
<a name="l00230"></a><a class="code" href="classKTimezone.html#aa579e25597484305eb134c3e5077e4ff">00230</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKTimezone.html#aa579e25597484305eb134c3e5077e4ff" title="Returns any comment for the timezone.">KTimezone::comment</a>()<span class="keyword"> const</span>
<a name="l00231"></a>00231 <span class="keyword"></span>{
<a name="l00232"></a>00232 <span class="keywordflow">return</span> m_comment;
<a name="l00233"></a>00233 }
<a name="l00234"></a>00234
<a name="l00235"></a><a class="code" href="classKTimezone.html#a8bf708418e2d1c7802384715980a6e1a">00235</a> <a class="codeRef" href="qdatetime.html">QDateTime</a> <a class="code" href="classKTimezone.html#a8bf708418e2d1c7802384715980a6e1a" title="Convert a date/time (which is interpreted as being localtime in this timezone) into localtime in the ...">KTimezone::convert</a>(<span class="keyword">const</span> <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *newZone, <span class="keyword">const</span> <a class="codeRef" href="qdatetime.html">QDateTime</a> &dateTime)<span class="keyword"> const</span>
<a name="l00236"></a>00236 <span class="keyword"></span>{
<a name="l00237"></a>00237 <span class="keywordtype">char</span> *originalZone = ::getenv(<span class="stringliteral">"TZ"</span>);
<a name="l00238"></a>00238
<a name="l00239"></a>00239 <span class="comment">// Convert the given localtime to UTC.</span>
<a name="l00240"></a>00240 ::setenv(<span class="stringliteral">"TZ"</span>, m_name.<a class="codeRef" href="qstring.html#utf8">utf8</a>(), 1);
<a name="l00241"></a>00241 tzset();
<a name="l00242"></a>00242 <span class="keywordtype">unsigned</span> utc = dateTime.<a class="codeRef" href="qdatetime.html#toTime_t">toTime_t</a>();
<a name="l00243"></a>00243
<a name="l00244"></a>00244 <span class="comment">// Set the timezone and convert UTC to localtime.</span>
<a name="l00245"></a>00245 ::setenv(<span class="stringliteral">"TZ"</span>, newZone-><a class="code" href="classKTimezone.html#a64e03715caa44817374a844659cff130" title="Returns the name of the timezone.">name</a>().<a class="codeRef" href="qstring.html#utf8">utf8</a>(), 1);
<a name="l00246"></a>00246 tzset();
<a name="l00247"></a>00247 <a class="codeRef" href="qdatetime.html">QDateTime</a> remoteTime;
<a name="l00248"></a>00248 remoteTime.<a class="codeRef" href="qdatetime.html#setTime_t">setTime_t</a>(utc, Qt::LocalTime);
<a name="l00249"></a>00249
<a name="l00250"></a>00250 <span class="comment">// Now restore things</span>
<a name="l00251"></a>00251 <span class="keywordflow">if</span> (!originalZone)
<a name="l00252"></a>00252 {
<a name="l00253"></a>00253 ::unsetenv(<span class="stringliteral">"TZ"</span>);
<a name="l00254"></a>00254 }
<a name="l00255"></a>00255 <span class="keywordflow">else</span>
<a name="l00256"></a>00256 {
<a name="l00257"></a>00257 ::setenv(<span class="stringliteral">"TZ"</span>, originalZone, 1);
<a name="l00258"></a>00258 }
<a name="l00259"></a>00259 tzset();
<a name="l00260"></a>00260 <span class="keywordflow">return</span> remoteTime;
<a name="l00261"></a>00261 }
<a name="l00262"></a>00262
<a name="l00263"></a><a class="code" href="classKTimezone.html#aee12458ead5b80efb990082aacdeefa8">00263</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKTimezone.html#aee12458ead5b80efb990082aacdeefa8" title="Returns the two-letter country code of the timezone.">KTimezone::countryCode</a>()<span class="keyword"> const</span>
<a name="l00264"></a>00264 <span class="keyword"></span>{
<a name="l00265"></a>00265 <span class="keywordflow">return</span> m_countryCode;
<a name="l00266"></a>00266 }
<a name="l00267"></a>00267
<a name="l00268"></a><a class="code" href="classKTimezone.html#a44017715ac067ae2ac8139a4f1d25bc4">00268</a> <span class="keywordtype">float</span> <a class="code" href="classKTimezone.html#a44017715ac067ae2ac8139a4f1d25bc4" title="Returns the latitude of the timezone.">KTimezone::latitude</a>()<span class="keyword"> const</span>
<a name="l00269"></a>00269 <span class="keyword"></span>{
<a name="l00270"></a>00270 <span class="keywordflow">return</span> m_latitude;
<a name="l00271"></a>00271 }
<a name="l00272"></a>00272
<a name="l00273"></a><a class="code" href="classKTimezone.html#ac25949d9b98417688fd7a01a9173075e">00273</a> <span class="keywordtype">float</span> <a class="code" href="classKTimezone.html#ac25949d9b98417688fd7a01a9173075e" title="Returns the latitude of the timezone.">KTimezone::longitude</a>()<span class="keyword"> const</span>
<a name="l00274"></a>00274 <span class="keyword"></span>{
<a name="l00275"></a>00275 <span class="keywordflow">return</span> m_longitude;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00278"></a><a class="code" href="classKTimezone.html#a64e03715caa44817374a844659cff130">00278</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKTimezone.html#a64e03715caa44817374a844659cff130" title="Returns the name of the timezone.">KTimezone::name</a>()<span class="keyword"> const</span>
<a name="l00279"></a>00279 <span class="keyword"></span>{
<a name="l00280"></a>00280 <span class="keywordflow">return</span> m_name;
<a name="l00281"></a>00281 }
<a name="l00282"></a>00282
<a name="l00283"></a><a class="code" href="classKTimezone.html#a6ca54238b37caa3e09548422a6139b0c">00283</a> <span class="keywordtype">int</span> <a class="code" href="classKTimezone.html#a6ca54238b37caa3e09548422a6139b0c" title="Returns the current offset of this timezone to UTC or the local timezone in seconds.">KTimezone::offset</a>(Qt::TimeSpec basisSpec)<span class="keyword"> const</span>
<a name="l00284"></a>00284 <span class="keyword"></span>{
<a name="l00285"></a>00285 <span class="keywordtype">char</span> *originalZone = ::getenv(<span class="stringliteral">"TZ"</span>);
<a name="l00286"></a>00286
<a name="l00287"></a>00287 <span class="comment">// Get the time in the current timezone.</span>
<a name="l00288"></a>00288 <a class="codeRef" href="qdatetime.html">QDateTime</a> basisTime = <a class="codeRef" href="qdatetime.html#currentDateTime-2">QDateTime::currentDateTime</a>(basisSpec);
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">// Set the timezone and find out what time it is there compared to the basis.</span>
<a name="l00291"></a>00291 ::setenv(<span class="stringliteral">"TZ"</span>, m_name.<a class="codeRef" href="qstring.html#utf8">utf8</a>(), 1);
<a name="l00292"></a>00292 tzset();
<a name="l00293"></a>00293 <a class="codeRef" href="qdatetime.html">QDateTime</a> remoteTime = <a class="codeRef" href="qdatetime.html#currentDateTime-2">QDateTime::currentDateTime</a>(Qt::LocalTime);
<a name="l00294"></a>00294 <span class="keywordtype">int</span> <a class="code" href="classKTimezone.html#a6ca54238b37caa3e09548422a6139b0c" title="Returns the current offset of this timezone to UTC or the local timezone in seconds.">offset</a> = remoteTime.<a class="codeRef" href="qdatetime.html#secsTo">secsTo</a>(basisTime);
<a name="l00295"></a>00295
<a name="l00296"></a>00296 <span class="comment">// Now restore things</span>
<a name="l00297"></a>00297 <span class="keywordflow">if</span> (!originalZone)
<a name="l00298"></a>00298 {
<a name="l00299"></a>00299 ::unsetenv(<span class="stringliteral">"TZ"</span>);
<a name="l00300"></a>00300 }
<a name="l00301"></a>00301 <span class="keywordflow">else</span>
<a name="l00302"></a>00302 {
<a name="l00303"></a>00303 ::setenv(<span class="stringliteral">"TZ"</span>, originalZone, 1);
<a name="l00304"></a>00304 }
<a name="l00305"></a>00305 tzset();
<a name="l00306"></a>00306 <span class="keywordflow">return</span> <a class="code" href="classKTimezone.html#a6ca54238b37caa3e09548422a6139b0c" title="Returns the current offset of this timezone to UTC or the local timezone in seconds.">offset</a>;
<a name="l00307"></a>00307 }
<a name="l00308"></a>00308
<a name="l00309"></a><a class="code" href="classKTimezone.html#a105df41f07849268af48259bf2732027">00309</a> <span class="keywordtype">int</span> <a class="code" href="classKTimezone.html#a6ca54238b37caa3e09548422a6139b0c" title="Returns the current offset of this timezone to UTC or the local timezone in seconds.">KTimezone::offset</a>(<span class="keyword">const</span> <a class="codeRef" href="qdatetime.html">QDateTime</a> &dateTime)<span class="keyword"> const</span>
<a name="l00310"></a>00310 <span class="keyword"></span>{
<a name="l00311"></a>00311 OffsetFind finder(dateTime.<a class="codeRef" href="qdatetime.html#toTime_t">toTime_t</a>());
<a name="l00312"></a>00312 <span class="keywordtype">int</span> result = 0;
<a name="l00313"></a>00313 <span class="keywordflow">if</span> (<a class="code" href="classKTimezone.html#affa8de68e42a85a9990c2b19cac2b811" title="Extract timezone detail information.">parse</a>(finder))
<a name="l00314"></a>00314 {
<a name="l00315"></a>00315 result = finder.offset();
<a name="l00316"></a>00316 }
<a name="l00317"></a>00317 <span class="keywordflow">return</span> result;
<a name="l00318"></a>00318 }
<a name="l00319"></a>00319
<a name="l00320"></a><a class="code" href="classKTimezone.html#affa8de68e42a85a9990c2b19cac2b811">00320</a> <span class="keywordtype">bool</span> <a class="code" href="classKTimezone.html#affa8de68e42a85a9990c2b19cac2b811" title="Extract timezone detail information.">KTimezone::parse</a>(<a class="code" href="classKTimezoneDetails.html" title="The KTimezoneDetails class contains extended functions related to a timezone.">KTimezoneDetails</a> &dataReceiver)<span class="keyword"> const</span>
<a name="l00321"></a>00321 <span class="keyword"></span>{
<a name="l00322"></a>00322 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a9c2347eaf0f87eea9c1b07621dd2ca3a" title="Always called before any other callback.">parseStarted</a>();
<a name="l00323"></a>00323 <span class="keywordtype">bool</span> result = m_db->parse(m_name, dataReceiver);
<a name="l00324"></a>00324 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a2ff8eda2aaaa0e55804692a9b7802544" title="Always called after all other callbacks.">parseEnded</a>();
<a name="l00325"></a>00325 <span class="keywordflow">return</span> result;
<a name="l00326"></a>00326 }
<a name="l00327"></a>00327
<a name="l00328"></a>00328 KTimezones::KTimezones() :
<a name="l00329"></a>00329 m_zoneinfoDir(),
<a name="l00330"></a>00330 m_zones(0),
<a name="l00331"></a>00331 d(0)
<a name="l00332"></a>00332 {
<a name="l00333"></a>00333 <span class="comment">// Create the database (and resolve m_zoneinfoDir!).</span>
<a name="l00334"></a>00334 allZones();
<a name="l00335"></a>00335 m_UTC = <span class="keyword">new</span> <a class="code" href="classKTimezone.html#ab48333e9b3d1a3f540014893d1f42c30" title="Create a timezone.">KTimezone</a>(<span class="keyword">new</span> DummySource(), UTC_ZONE);
<a name="l00336"></a>00336 add(m_UTC);
<a name="l00337"></a>00337 }
<a name="l00338"></a>00338
<a name="l00339"></a>00339 KTimezones::~KTimezones()
<a name="l00340"></a>00340 {
<a name="l00341"></a>00341 <span class="comment">// FIXME when needed:</span>
<a name="l00342"></a>00342 <span class="comment">// delete d;</span>
<a name="l00343"></a>00343
<a name="l00344"></a>00344 <span class="comment">// Autodelete behavior.</span>
<a name="l00345"></a>00345 <span class="keywordflow">if</span> (m_zones)
<a name="l00346"></a>00346 {
<a name="l00347"></a>00347 <span class="keywordflow">for</span> (<a class="codeRef" href="qmap.html#ConstIterator">ZoneMap::ConstIterator</a> it = m_zones-><a class="codeRef" href="qmap.html#begin">begin</a>(); it != m_zones-><a class="codeRef" href="qmap.html#end">end</a>(); ++it)
<a name="l00348"></a>00348 {
<a name="l00349"></a>00349 <span class="keyword">delete</span> it.data();
<a name="l00350"></a>00350 }
<a name="l00351"></a>00351 }
<a name="l00352"></a>00352 <span class="keyword">delete</span> m_zones;
<a name="l00353"></a>00353 }
<a name="l00354"></a>00354
<a name="l00355"></a><a class="code" href="classKTimezones.html#ade21ccabaf495b0a6a09dd5eda0b3889">00355</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezones.html#ade21ccabaf495b0a6a09dd5eda0b3889" title="Add user-defined timezone to database.">KTimezones::add</a>(<a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *zone)
<a name="l00356"></a>00356 {
<a name="l00357"></a>00357 m_zones-><a class="codeRef" href="qmap.html#insert">insert</a>(zone-><a class="code" href="classKTimezone.html#a64e03715caa44817374a844659cff130" title="Returns the name of the timezone.">name</a>(), <a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a>);
<a name="l00358"></a>00358 }
<a name="l00359"></a>00359
<a name="l00360"></a><a class="code" href="classKTimezones.html#ae5c54f61dce58c62b79d337b28a199c0">00360</a> <span class="keyword">const</span> <a class="codeRef" href="qmap.html">KTimezones::ZoneMap</a> <a class="code" href="classKTimezones.html#ae5c54f61dce58c62b79d337b28a199c0" title="Return timezone database.">KTimezones::allZones</a>()
<a name="l00361"></a>00361 {
<a name="l00362"></a>00362 <span class="comment">// Have we already done all the hard work? If not, create the cache.</span>
<a name="l00363"></a>00363 <span class="keywordflow">if</span> (m_zones)
<a name="l00364"></a>00364 <span class="keywordflow">return</span> *m_zones;
<a name="l00365"></a>00365 m_zones = <span class="keyword">new</span> <a class="codeRef" href="qmap.html">ZoneMap</a>();
<a name="l00366"></a>00366
<a name="l00367"></a>00367 <span class="comment">// Go read the database.</span>
<a name="l00368"></a>00368 <span class="comment">//</span>
<a name="l00369"></a>00369 <span class="comment">// On Windows, HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Time Zones</span>
<a name="l00370"></a>00370 <span class="comment">// is the place to look. The TZI binary value is the TIME_ZONE_INFORMATION structure.</span>
<a name="l00371"></a>00371 <span class="comment">//</span>
<a name="l00372"></a>00372 <span class="comment">// For Unix its all easy except knowing where to look. Try the LSB location first.</span>
<a name="l00373"></a>00373 <a class="codeRef" href="qfile.html">QFile</a> f;
<a name="l00374"></a>00374 m_zoneinfoDir = <span class="stringliteral">"/usr/share/zoneinfo"</span>;
<a name="l00375"></a>00375 f.<a class="codeRef" href="qfile.html#setName">setName</a>(m_zoneinfoDir + <span class="stringliteral">"/zone.tab"</span>);
<a name="l00376"></a>00376 <span class="keywordflow">if</span> (!f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00377"></a>00377 {
<a name="l00378"></a>00378 kdDebug() << <span class="stringliteral">"Can't open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00379"></a>00379 m_zoneinfoDir = <span class="stringliteral">"/usr/lib/zoneinfo"</span>;
<a name="l00380"></a>00380 f.<a class="codeRef" href="qfile.html#setName">setName</a>(m_zoneinfoDir + <span class="stringliteral">"/zone.tab"</span>);
<a name="l00381"></a>00381 <span class="keywordflow">if</span> (!f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00382"></a>00382 {
<a name="l00383"></a>00383 kdDebug() << <span class="stringliteral">"Can't open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00384"></a>00384 m_zoneinfoDir = ::getenv(<span class="stringliteral">"TZDIR"</span>);
<a name="l00385"></a>00385 f.<a class="codeRef" href="qfile.html#setName">setName</a>(m_zoneinfoDir + <span class="stringliteral">"/zone.tab"</span>);
<a name="l00386"></a>00386 <span class="keywordflow">if</span> (m_zoneinfoDir.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>() || !f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00387"></a>00387 {
<a name="l00388"></a>00388 kdDebug() << <span class="stringliteral">"Can't open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00389"></a>00389
<a name="l00390"></a>00390 <span class="comment">// Solaris support. Synthesise something that looks like a zone.tab.</span>
<a name="l00391"></a>00391 <span class="comment">//</span>
<a name="l00392"></a>00392 <span class="comment">// /bin/grep -h ^Zone /usr/share/lib/zoneinfo/src/* | /bin/awk '{print "??\t+9999+99999\t" $2}'</span>
<a name="l00393"></a>00393 <span class="comment">//</span>
<a name="l00394"></a>00394 <span class="comment">// where the country code is set to "??" and the lattitude/longitude</span>
<a name="l00395"></a>00395 <span class="comment">// values are dummies.</span>
<a name="l00396"></a>00396 m_zoneinfoDir = <span class="stringliteral">"/usr/share/lib/zoneinfo"</span>;
<a name="l00397"></a>00397 <a class="code" href="classKTempFile.html" title="The KTempFile class creates and opens a unique file for temporary use.">KTempFile</a> temp;
<a name="l00398"></a>00398 <a class="code" href="classKShellProcess.html" title="A class derived from KProcess to start child processes through a shell.">KShellProcess</a> reader;
<a name="l00399"></a>00399 reader << <span class="stringliteral">"/bin/grep"</span> << <span class="stringliteral">"-h"</span> << <span class="stringliteral">"^Zone"</span> << m_zoneinfoDir << <span class="stringliteral">"/src/*"</span> << temp.<a class="code" href="classKTempFile.html#a712884c609987c0921aa0123cab34b16" title="Returns the full path and name of the file.">name</a>() << <span class="stringliteral">"|"</span> <<
<a name="l00400"></a>00400 <span class="stringliteral">"/bin/awk"</span> << <span class="stringliteral">"'{print \"??\\t+9999+99999\\t\" $2}'"</span>;
<a name="l00401"></a>00401 <span class="comment">// Note the use of blocking here...it is a trivial amount of data!</span>
<a name="l00402"></a>00402 temp.<a class="code" href="classKTempFile.html#acfc69bf88d06da7dc62e031091037b6e" title="Closes the file.">close</a>();
<a name="l00403"></a>00403 reader.<a class="code" href="classKShellProcess.html#ab1e6d99ed99e0d59af307a4c9c3105ee" title="Starts the process.">start</a>(<a class="code" href="classKProcess.html#a2fbcd413da7eb360ac1a71761f1631b7a4c0c592d5216e0fc288ec95aa76b4f44" title="The application is suspended until the started process is finished.">KProcess::Block</a>);
<a name="l00404"></a>00404 f.<a class="codeRef" href="qfile.html#setName">setName</a>(temp.<a class="code" href="classKTempFile.html#a712884c609987c0921aa0123cab34b16" title="Returns the full path and name of the file.">name</a>());
<a name="l00405"></a>00405 <span class="keywordflow">if</span> (!temp.<a class="code" href="classKTempFile.html#aad100fa410bd414870a41ec6826bdc89" title="Returns the status of the file based on errno.">status</a>() || !f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00406"></a>00406 {
<a name="l00407"></a>00407 kdDebug() << <span class="stringliteral">"Can't open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00408"></a>00408 <span class="keywordflow">return</span> *m_zones;
<a name="l00409"></a>00409 }
<a name="l00410"></a>00410 }
<a name="l00411"></a>00411 }
<a name="l00412"></a>00412 }
<a name="l00413"></a>00413
<a name="l00414"></a>00414 <span class="comment">// Parse the zone.tab.</span>
<a name="l00415"></a>00415 <a class="codeRef" href="qtextstream.html">QTextStream</a> str(&f);
<a name="l00416"></a>00416 <a class="codeRef" href="qregexp.html">QRegExp</a> lineSeparator(<span class="stringliteral">"[ \t]"</span>);
<a name="l00417"></a>00417 <a class="codeRef" href="qregexp.html">QRegExp</a> ordinateSeparator(<span class="stringliteral">"[+-]"</span>);
<a name="l00418"></a>00418 <a class="code" href="classKSharedPtr.html">KSharedPtr<KTimezoneSource></a> db(<span class="keyword">new</span> <a class="code" href="classKTimezoneSource.html" title="The KTimezoneSource class contains information source-dependent functions related to a timezone...">KTimezoneSource</a>(m_zoneinfoDir));
<a name="l00419"></a>00419 <span class="keywordflow">while</span> (!str.<a class="codeRef" href="qtextstream.html#atEnd">atEnd</a>())
<a name="l00420"></a>00420 {
<a name="l00421"></a>00421 <a class="codeRef" href="qstring.html">QString</a> line = str.<a class="codeRef" href="qtextstream.html#readLine">readLine</a>();
<a name="l00422"></a>00422 <span class="keywordflow">if</span> (line.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>() || <span class="charliteral">'#'</span> == line[0])
<a name="l00423"></a>00423 <span class="keywordflow">continue</span>;
<a name="l00424"></a>00424 <a class="codeRef" href="qstringlist.html">QStringList</a> tokens = <a class="code" href="classKStringHandler.html#a85cadf984ec2e4d3f80c17581a30e329" title="Split a QString into a QStringList in a similar fashion to the static QStringList function in Qt...">KStringHandler::perlSplit</a>(lineSeparator, line, 4);
<a name="l00425"></a>00425 <span class="keywordflow">if</span> (tokens.count() < 3)
<a name="l00426"></a>00426 {
<a name="l00427"></a>00427 kdError() << <span class="stringliteral">"invalid record: "</span> << line << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00428"></a>00428 <span class="keywordflow">continue</span>;
<a name="l00429"></a>00429 }
<a name="l00430"></a>00430
<a name="l00431"></a>00431 <span class="comment">// Got three tokens. Now check for two ordinates plus first one is "".</span>
<a name="l00432"></a>00432 <a class="codeRef" href="qstringlist.html">QStringList</a> ordinates = <a class="code" href="classKStringHandler.html#a85cadf984ec2e4d3f80c17581a30e329" title="Split a QString into a QStringList in a similar fashion to the static QStringList function in Qt...">KStringHandler::perlSplit</a>(ordinateSeparator, tokens[1], 2);
<a name="l00433"></a>00433 <span class="keywordflow">if</span> (ordinates.count() < 2)
<a name="l00434"></a>00434 {
<a name="l00435"></a>00435 kdError() << <span class="stringliteral">"invalid coordinates: "</span> << tokens[1] << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00436"></a>00436 <span class="keywordflow">continue</span>;
<a name="l00437"></a>00437 }
<a name="l00438"></a>00438
<a name="l00439"></a>00439 <span class="keywordtype">float</span> latitude = convertCoordinate(ordinates[1]);
<a name="l00440"></a>00440 <span class="keywordtype">float</span> longitude = convertCoordinate(ordinates[2]);
<a name="l00441"></a>00441
<a name="l00442"></a>00442 <span class="comment">// Add entry to list.</span>
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (tokens[0] == <span class="stringliteral">"??"</span>)
<a name="l00444"></a>00444 tokens[0] = <span class="stringliteral">""</span>;
<a name="l00445"></a>00445 <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *timezone = <span class="keyword">new</span> <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a>(db, tokens[2], tokens[0], latitude, longitude, tokens[3]);
<a name="l00446"></a>00446 <a class="code" href="classKTimezones.html#ade21ccabaf495b0a6a09dd5eda0b3889" title="Add user-defined timezone to database.">add</a>(timezone);
<a name="l00447"></a>00447 }
<a name="l00448"></a>00448 f.<a class="codeRef" href="qfile.html#close">close</a>();
<a name="l00449"></a>00449 <span class="keywordflow">return</span> *m_zones;
<a name="l00450"></a>00450 }
<a name="l00451"></a>00451
<a name="l00455"></a>00455 <span class="keywordtype">float</span> KTimezones::convertCoordinate(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &coordinate)
<a name="l00456"></a>00456 {
<a name="l00457"></a>00457 <span class="keywordtype">int</span> value = coordinate.<a class="codeRef" href="qstring.html#toInt">toInt</a>();
<a name="l00458"></a>00458 <span class="keywordtype">int</span> degrees = 0;
<a name="l00459"></a>00459 <span class="keywordtype">int</span> minutes = 0;
<a name="l00460"></a>00460 <span class="keywordtype">int</span> seconds = 0;
<a name="l00461"></a>00461
<a name="l00462"></a>00462 <span class="keywordflow">if</span> (coordinate.<a class="codeRef" href="qstring.html#length">length</a>() > 11)
<a name="l00463"></a>00463 {
<a name="l00464"></a>00464 degrees = value / 10000;
<a name="l00465"></a>00465 value -= degrees * 10000;
<a name="l00466"></a>00466 minutes = value / 100;
<a name="l00467"></a>00467 value -= minutes * 100;
<a name="l00468"></a>00468 seconds = value;
<a name="l00469"></a>00469 }
<a name="l00470"></a>00470 <span class="keywordflow">else</span>
<a name="l00471"></a>00471 {
<a name="l00472"></a>00472 degrees = value / 100;
<a name="l00473"></a>00473 value -= degrees * 100;
<a name="l00474"></a>00474 minutes = value;
<a name="l00475"></a>00475 }
<a name="l00476"></a>00476 value = degrees * 3600 + minutes * 60 + seconds;
<a name="l00477"></a>00477 <span class="keywordflow">return</span> value / 3600.0;
<a name="l00478"></a>00478 }
<a name="l00479"></a>00479
<a name="l00480"></a><a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9">00480</a> <span class="keyword">const</span> <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *<a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9" title="Returns the local timezone.">KTimezones::local</a>()
<a name="l00481"></a>00481 {
<a name="l00482"></a>00482 <span class="keyword">const</span> <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *<a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9" title="Returns the local timezone.">local</a> = 0;
<a name="l00483"></a>00483
<a name="l00484"></a>00484 <span class="comment">// First try the simplest solution of checking for well-formed TZ setting.</span>
<a name="l00485"></a>00485 <span class="keywordtype">char</span> *envZone = ::getenv(<span class="stringliteral">"TZ"</span>);
<a name="l00486"></a>00486 <span class="keywordflow">if</span> (envZone)
<a name="l00487"></a>00487 {
<a name="l00488"></a>00488 <span class="keywordflow">if</span> (envZone[0] == <span class="charliteral">'\0'</span>)
<a name="l00489"></a>00489 {
<a name="l00490"></a>00490 <span class="keywordflow">return</span> m_UTC;
<a name="l00491"></a>00491 }
<a name="l00492"></a>00492 <span class="keywordflow">else</span>
<a name="l00493"></a>00493 <span class="keywordflow">if</span> (envZone[0] == <span class="charliteral">':'</span>)
<a name="l00494"></a>00494 {
<a name="l00495"></a>00495 envZone++;
<a name="l00496"></a>00496 }
<a name="l00497"></a>00497 local = <a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a>(envZone);
<a name="l00498"></a>00498 }
<a name="l00499"></a>00499 <span class="keywordflow">if</span> (local)
<a name="l00500"></a>00500 <span class="keywordflow">return</span> <a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9" title="Returns the local timezone.">local</a>;
<a name="l00501"></a>00501
<a name="l00502"></a>00502 <span class="comment">// Try to match /etc/localtime against the list of zoneinfo files.</span>
<a name="l00503"></a>00503 <a class="codeRef" href="qfile.html">QFile</a> f;
<a name="l00504"></a>00504 f.<a class="codeRef" href="qfile.html#setName">setName</a>(<span class="stringliteral">"/etc/localtime"</span>);
<a name="l00505"></a>00505 <span class="keywordflow">if</span> (f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00506"></a>00506 {
<a name="l00507"></a>00507 <span class="comment">// Compute the MD5 sum of /etc/localtime.</span>
<a name="l00508"></a>00508 <a class="code" href="classKMD5.html" title="An adapted C++ implementation of RSA Data Securities MD5 algorithm.">KMD5</a> context(<span class="stringliteral">""</span>);
<a name="l00509"></a>00509 context.<a class="code" href="classKMD5.html#a721cd45f9c58ec647178718e39cad69b" title="Calling this function will reset the calculated message digest.">reset</a>();
<a name="l00510"></a>00510 context.<a class="code" href="classKMD5.html#a0b8b9b33fdc1222c16a314e16e2adec9" title="Updates the message to be digested.">update</a>(f);
<a name="l00511"></a>00511 <a class="codeRef" href="qiodevice.html#Offset">QIODevice::Offset</a> referenceSize = f.<a class="codeRef" href="qfile.html#size">size</a>();
<a name="l00512"></a>00512 <a class="codeRef" href="qstring.html">QString</a> referenceMd5Sum = context.<a class="code" href="classKMD5.html#ae56851477d26249d21d9d55009f9973b" title="Returns the value of the calculated message digest in a hexadecimal representation.">hexDigest</a>();
<a name="l00513"></a>00513 f.<a class="codeRef" href="qfile.html#close">close</a>();
<a name="l00514"></a>00514 <span class="keywordflow">if</span> (!m_zoneinfoDir.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00515"></a>00515 {
<a name="l00516"></a>00516 <span class="comment">// Compare it with each zoneinfo file.</span>
<a name="l00517"></a>00517 <span class="keywordflow">for</span> (<a class="codeRef" href="qmap.html#Iterator">ZoneMap::Iterator</a> it = m_zones-><a class="codeRef" href="qmap.html#begin">begin</a>(); it != m_zones-><a class="codeRef" href="qmap.html#end">end</a>(); ++it)
<a name="l00518"></a>00518 {
<a name="l00519"></a>00519 <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *<a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a> = it.data();
<a name="l00520"></a>00520 f.<a class="codeRef" href="qfile.html#setName">setName</a>(m_zoneinfoDir + <span class="charliteral">'/'</span> + zone-><a class="code" href="classKTimezone.html#a64e03715caa44817374a844659cff130" title="Returns the name of the timezone.">name</a>());
<a name="l00521"></a>00521 <span class="keywordflow">if</span> (f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00522"></a>00522 {
<a name="l00523"></a>00523 <a class="codeRef" href="qiodevice.html#Offset">QIODevice::Offset</a> candidateSize = f.<a class="codeRef" href="qfile.html#size">size</a>();
<a name="l00524"></a>00524 <a class="codeRef" href="qstring.html">QString</a> candidateMd5Sum;
<a name="l00525"></a>00525 <span class="keywordflow">if</span> (candidateSize == referenceSize)
<a name="l00526"></a>00526 {
<a name="l00527"></a>00527 <span class="comment">// Only do the heavy lifting for file sizes which match.</span>
<a name="l00528"></a>00528 context.<a class="code" href="classKMD5.html#a721cd45f9c58ec647178718e39cad69b" title="Calling this function will reset the calculated message digest.">reset</a>();
<a name="l00529"></a>00529 context.<a class="code" href="classKMD5.html#a0b8b9b33fdc1222c16a314e16e2adec9" title="Updates the message to be digested.">update</a>(f);
<a name="l00530"></a>00530 candidateMd5Sum = context.<a class="code" href="classKMD5.html#ae56851477d26249d21d9d55009f9973b" title="Returns the value of the calculated message digest in a hexadecimal representation.">hexDigest</a>();
<a name="l00531"></a>00531 }
<a name="l00532"></a>00532 f.<a class="codeRef" href="qfile.html#close">close</a>();
<a name="l00533"></a>00533 <span class="keywordflow">if</span> (candidateMd5Sum == referenceMd5Sum)
<a name="l00534"></a>00534 {
<a name="l00535"></a>00535 <span class="comment">// kdError() << "local=" << zone->name() << endl;</span>
<a name="l00536"></a>00536 local = <a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a>;
<a name="l00537"></a>00537 <span class="keywordflow">break</span>;
<a name="l00538"></a>00538 }
<a name="l00539"></a>00539 }
<a name="l00540"></a>00540 }
<a name="l00541"></a>00541 }
<a name="l00542"></a>00542 }
<a name="l00543"></a>00543 <span class="keywordflow">if</span> (local)
<a name="l00544"></a>00544 <span class="keywordflow">return</span> <a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9" title="Returns the local timezone.">local</a>;
<a name="l00545"></a>00545
<a name="l00546"></a>00546 <span class="comment">// BSD support.</span>
<a name="l00547"></a>00547 <a class="codeRef" href="qstring.html">QString</a> fileZone;
<a name="l00548"></a>00548 f.<a class="codeRef" href="qfile.html#setName">setName</a>(<span class="stringliteral">"/etc/timezone"</span>);
<a name="l00549"></a>00549 <span class="keywordflow">if</span> (!f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00550"></a>00550 {
<a name="l00551"></a>00551 kdDebug() << <span class="stringliteral">"Can't open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00552"></a>00552
<a name="l00553"></a>00553 <span class="comment">// Solaris support using /etc/default/init.</span>
<a name="l00554"></a>00554 f.<a class="codeRef" href="qfile.html#setName">setName</a>(<span class="stringliteral">"/etc/default/init"</span>);
<a name="l00555"></a>00555 <span class="keywordflow">if</span> (!f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00556"></a>00556 {
<a name="l00557"></a>00557 kdDebug() << <span class="stringliteral">"Can't open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00558"></a>00558 }
<a name="l00559"></a>00559 <span class="keywordflow">else</span>
<a name="l00560"></a>00560 {
<a name="l00561"></a>00561 <a class="codeRef" href="qtextstream.html">QTextStream</a> ts(&f);
<a name="l00562"></a>00562 ts.<a class="codeRef" href="qtextstream.html#setEncoding">setEncoding</a>(QTextStream::Latin1);
<a name="l00563"></a>00563
<a name="l00564"></a>00564 <span class="comment">// Read the last line starting "TZ=".</span>
<a name="l00565"></a>00565 <span class="keywordflow">while</span> (!ts.<a class="codeRef" href="qtextstream.html#atEnd">atEnd</a>())
<a name="l00566"></a>00566 {
<a name="l00567"></a>00567 fileZone = ts.<a class="codeRef" href="qtextstream.html#readLine">readLine</a>();
<a name="l00568"></a>00568 <span class="keywordflow">if</span> (fileZone.<a class="codeRef" href="qstring.html#startsWith">startsWith</a>(<span class="stringliteral">"TZ="</span>))
<a name="l00569"></a>00569 {
<a name="l00570"></a>00570 fileZone = fileZone.<a class="codeRef" href="qstring.html#mid">mid</a>(3);
<a name="l00571"></a>00571
<a name="l00572"></a>00572 <span class="comment">// kdError() << "local=" << fileZone << endl;</span>
<a name="l00573"></a>00573 local = <a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a>(fileZone);
<a name="l00574"></a>00574 }
<a name="l00575"></a>00575 }
<a name="l00576"></a>00576 f.<a class="codeRef" href="qfile.html#close">close</a>();
<a name="l00577"></a>00577 }
<a name="l00578"></a>00578 }
<a name="l00579"></a>00579 <span class="keywordflow">else</span>
<a name="l00580"></a>00580 {
<a name="l00581"></a>00581 <a class="codeRef" href="qtextstream.html">QTextStream</a> ts(&f);
<a name="l00582"></a>00582 ts.<a class="codeRef" href="qtextstream.html#setEncoding">setEncoding</a>(QTextStream::Latin1);
<a name="l00583"></a>00583
<a name="l00584"></a>00584 <span class="comment">// Read the first line.</span>
<a name="l00585"></a>00585 <span class="keywordflow">if</span> (!ts.<a class="codeRef" href="qtextstream.html#atEnd">atEnd</a>())
<a name="l00586"></a>00586 {
<a name="l00587"></a>00587 fileZone = ts.<a class="codeRef" href="qtextstream.html#readLine">readLine</a>();
<a name="l00588"></a>00588
<a name="l00589"></a>00589 <span class="comment">// kdError() << "local=" << fileZone << endl;</span>
<a name="l00590"></a>00590 local = <a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a>(fileZone);
<a name="l00591"></a>00591 }
<a name="l00592"></a>00592 f.<a class="codeRef" href="qfile.html#close">close</a>();
<a name="l00593"></a>00593 }
<a name="l00594"></a>00594 <span class="keywordflow">if</span> (local)
<a name="l00595"></a>00595 <span class="keywordflow">return</span> <a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9" title="Returns the local timezone.">local</a>;
<a name="l00596"></a>00596
<a name="l00597"></a>00597 <span class="comment">// None of the deterministic stuff above has worked: try a heuristic. We</span>
<a name="l00598"></a>00598 <span class="comment">// try to find a pair of matching timezone abbreviations...that way, we'll</span>
<a name="l00599"></a>00599 <span class="comment">// likely return a value in the user's own country.</span>
<a name="l00600"></a>00600 <span class="keywordflow">if</span> (!m_zoneinfoDir.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00601"></a>00601 {
<a name="l00602"></a>00602 tzset();
<a name="l00603"></a>00603 AbbreviationsMatch matcher(tzname[0], tzname[1]);
<a name="l00604"></a>00604 <span class="keywordtype">int</span> bestOffset = INT_MAX;
<a name="l00605"></a>00605 <span class="keywordflow">for</span> (<a class="codeRef" href="qmap.html#Iterator">ZoneMap::Iterator</a> it = m_zones-><a class="codeRef" href="qmap.html#begin">begin</a>(); it != m_zones-><a class="codeRef" href="qmap.html#end">end</a>(); ++it)
<a name="l00606"></a>00606 {
<a name="l00607"></a>00607 <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *<a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a> = it.data();
<a name="l00608"></a>00608 <span class="keywordtype">int</span> candidateOffset = QABS(zone-><a class="code" href="classKTimezone.html#a6ca54238b37caa3e09548422a6139b0c" title="Returns the current offset of this timezone to UTC or the local timezone in seconds.">offset</a>(Qt::LocalTime));
<a name="l00609"></a>00609 <span class="keywordflow">if</span> (zone-><a class="code" href="classKTimezone.html#affa8de68e42a85a9990c2b19cac2b811" title="Extract timezone detail information.">parse</a>(matcher) && matcher.test() && (candidateOffset < bestOffset))
<a name="l00610"></a>00610 {
<a name="l00611"></a>00611 <span class="comment">// kdError() << "local=" << zone->name() << endl;</span>
<a name="l00612"></a>00612 bestOffset = candidateOffset;
<a name="l00613"></a>00613 local = <a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">zone</a>;
<a name="l00614"></a>00614 }
<a name="l00615"></a>00615 }
<a name="l00616"></a>00616 }
<a name="l00617"></a>00617 <span class="keywordflow">if</span> (local)
<a name="l00618"></a>00618 <span class="keywordflow">return</span> <a class="code" href="classKTimezones.html#a866ccb31511ba9d50fc4e85f753d53c9" title="Returns the local timezone.">local</a>;
<a name="l00619"></a>00619 <span class="keywordflow">return</span> m_UTC;
<a name="l00620"></a>00620 }
<a name="l00621"></a>00621
<a name="l00622"></a><a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3">00622</a> <span class="keyword">const</span> <a class="code" href="classKTimezone.html" title="The KTimezone class contains core functions related to a timezone.">KTimezone</a> *<a class="code" href="classKTimezones.html#a9f36e0f22a11b66a41048ac9407a80c3" title="Returns the given timezone.">KTimezones::zone</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &name)
<a name="l00623"></a>00623 {
<a name="l00624"></a>00624 <span class="keywordflow">if</span> (name.<a class="codeRef" href="qstring.html#isEmpty">isEmpty</a>())
<a name="l00625"></a>00625 <span class="keywordflow">return</span> m_UTC;
<a name="l00626"></a>00626 <a class="codeRef" href="qmap.html#ConstIterator">ZoneMap::ConstIterator</a> it = m_zones-><a class="codeRef" href="qmap.html#find">find</a>(name);
<a name="l00627"></a>00627 <span class="keywordflow">if</span> (it != m_zones-><a class="codeRef" href="qmap.html#end">end</a>())
<a name="l00628"></a>00628 <span class="keywordflow">return</span> it.data();
<a name="l00629"></a>00629
<a name="l00630"></a>00630 <span class="comment">// Error.</span>
<a name="l00631"></a>00631 <span class="keywordflow">return</span> 0;
<a name="l00632"></a>00632 }
<a name="l00633"></a>00633
<a name="l00634"></a>00634 KTimezoneDetails::KTimezoneDetails()
<a name="l00635"></a>00635 {
<a name="l00636"></a>00636 }
<a name="l00637"></a>00637
<a name="l00638"></a>00638 KTimezoneDetails::~KTimezoneDetails()
<a name="l00639"></a>00639 {
<a name="l00640"></a>00640 }
<a name="l00641"></a>00641
<a name="l00642"></a><a class="code" href="classKTimezoneDetails.html#a3b5690500a799acba6f05d5af6b39ade">00642</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a3b5690500a799acba6f05d5af6b39ade" title="Called when a timezone abbreviation is seen.">KTimezoneDetails::gotAbbreviation</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &)
<a name="l00643"></a>00643 {}
<a name="l00644"></a>00644
<a name="l00645"></a><a class="code" href="classKTimezoneDetails.html#a21a71d3bd8fc30df76c5761dfdd0a9f5">00645</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a21a71d3bd8fc30df76c5761dfdd0a9f5" title="Called when the header is seen.">KTimezoneDetails::gotHeader</a>(
<a name="l00646"></a>00646 <span class="keywordtype">unsigned</span>, <span class="keywordtype">unsigned</span>, <span class="keywordtype">unsigned</span>,
<a name="l00647"></a>00647 <span class="keywordtype">unsigned</span>, <span class="keywordtype">unsigned</span>, <span class="keywordtype">unsigned</span>)
<a name="l00648"></a>00648 {}
<a name="l00649"></a>00649
<a name="l00650"></a><a class="code" href="classKTimezoneDetails.html#a4181bdbe08a6b99eefbfc7fdb495eeca">00650</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a4181bdbe08a6b99eefbfc7fdb495eeca" title="Called when a leap second adjustment is seen.">KTimezoneDetails::gotLeapAdjustment</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keywordtype">unsigned</span>, <span class="keywordtype">unsigned</span>)
<a name="l00651"></a>00651 {}
<a name="l00652"></a>00652
<a name="l00653"></a><a class="code" href="classKTimezoneDetails.html#a589550e9a529a73bf8636e3a8c54e5ec">00653</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a589550e9a529a73bf8636e3a8c54e5ec" title="Called when a local time is seen.">KTimezoneDetails::gotLocalTime</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keywordtype">int</span>, <span class="keywordtype">bool</span>, <span class="keywordtype">unsigned</span>)
<a name="l00654"></a>00654 {}
<a name="l00655"></a>00655
<a name="l00656"></a><a class="code" href="classKTimezoneDetails.html#a6b934c372a1d7e3e8131b98e39a03b78">00656</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a6b934c372a1d7e3e8131b98e39a03b78" title="Called when a local time index is seen.">KTimezoneDetails::gotLocalTimeIndex</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keywordtype">unsigned</span>)
<a name="l00657"></a>00657 {}
<a name="l00658"></a>00658
<a name="l00659"></a><a class="code" href="classKTimezoneDetails.html#a7ec3d971edc093d3fc2d408ff2ca14d9">00659</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a7ec3d971edc093d3fc2d408ff2ca14d9" title="Called when a standard/wall time indicator is seen.">KTimezoneDetails::gotIsStandard</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keywordtype">bool</span>)
<a name="l00660"></a>00660 {}
<a name="l00661"></a>00661
<a name="l00662"></a><a class="code" href="classKTimezoneDetails.html#aa3c68fcbbdb3692e71d277ae648f3c36">00662</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#aa3c68fcbbdb3692e71d277ae648f3c36" title="Called when a transition time is seen.">KTimezoneDetails::gotTransitionTime</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keywordtype">unsigned</span>)
<a name="l00663"></a>00663 {}
<a name="l00664"></a>00664
<a name="l00665"></a><a class="code" href="classKTimezoneDetails.html#a5932c021233cd2baaa9768255ecdc6b2">00665</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a5932c021233cd2baaa9768255ecdc6b2" title="Called when a UTC/local time indicator is seen.">KTimezoneDetails::gotIsUTC</a>(<span class="keywordtype">int</span> <span class="comment">/*index*/</span>, <span class="keywordtype">bool</span>)
<a name="l00666"></a>00666 {}
<a name="l00667"></a>00667
<a name="l00668"></a><a class="code" href="classKTimezoneDetails.html#a2ff8eda2aaaa0e55804692a9b7802544">00668</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a2ff8eda2aaaa0e55804692a9b7802544" title="Always called after all other callbacks.">KTimezoneDetails::parseEnded</a>()
<a name="l00669"></a>00669 {}
<a name="l00670"></a>00670
<a name="l00671"></a><a class="code" href="classKTimezoneDetails.html#a9c2347eaf0f87eea9c1b07621dd2ca3a">00671</a> <span class="keywordtype">void</span> <a class="code" href="classKTimezoneDetails.html#a9c2347eaf0f87eea9c1b07621dd2ca3a" title="Always called before any other callback.">KTimezoneDetails::parseStarted</a>()
<a name="l00672"></a>00672 {}
<a name="l00673"></a>00673
<a name="l00674"></a>00674 KTimezoneSource::KTimezoneSource(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &db) :
<a name="l00675"></a>00675 m_db(db)
<a name="l00676"></a>00676 {
<a name="l00677"></a>00677 }
<a name="l00678"></a>00678
<a name="l00679"></a>00679 KTimezoneSource::~KTimezoneSource()
<a name="l00680"></a>00680 {
<a name="l00681"></a>00681 }
<a name="l00682"></a>00682
<a name="l00683"></a><a class="code" href="classKTimezoneSource.html#a5b14944d3538df7732c2440a773a0307">00683</a> <a class="codeRef" href="qstring.html">QString</a> <a class="code" href="classKTimezoneSource.html#a5b14944d3538df7732c2440a773a0307" title="Location of system timezone information.">KTimezoneSource::db</a>()
<a name="l00684"></a>00684 {
<a name="l00685"></a>00685 <span class="keywordflow">return</span> m_db;
<a name="l00686"></a>00686 }
<a name="l00687"></a>00687
<a name="l00688"></a><a class="code" href="classKTimezoneSource.html#acec383c31ff989a121af031387654fe7">00688</a> <span class="keywordtype">bool</span> <a class="code" href="classKTimezoneSource.html#acec383c31ff989a121af031387654fe7" title="Extract timezone detail information.">KTimezoneSource::parse</a>(<span class="keyword">const</span> <a class="codeRef" href="qstring.html">QString</a> &zone, <a class="code" href="classKTimezoneDetails.html" title="The KTimezoneDetails class contains extended functions related to a timezone.">KTimezoneDetails</a> &dataReceiver)<span class="keyword"> const</span>
<a name="l00689"></a>00689 <span class="keyword"></span>{
<a name="l00690"></a>00690 <a class="codeRef" href="qfile.html">QFile</a> f(m_db + <span class="charliteral">'/'</span> + zone);
<a name="l00691"></a>00691 <span class="keywordflow">if</span> (!f.<a class="codeRef" href="qfile.html#open">open</a>(IO_ReadOnly))
<a name="l00692"></a>00692 {
<a name="l00693"></a>00693 kdError() << <span class="stringliteral">"Cannot open "</span> << f.<a class="codeRef" href="qfile.html#name">name</a>() << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00694"></a>00694 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00695"></a>00695 }
<a name="l00696"></a>00696
<a name="l00697"></a>00697 <span class="comment">// Structures that represent the zoneinfo file.</span>
<a name="l00698"></a>00698 Q_UINT8 T, z, i_, f_;
<a name="l00699"></a>00699 <span class="keyword">struct</span>
<a name="l00700"></a>00700 {
<a name="l00701"></a>00701 Q_UINT32 ttisgmtcnt;
<a name="l00702"></a>00702 Q_UINT32 ttisstdcnt;
<a name="l00703"></a>00703 Q_UINT32 leapcnt;
<a name="l00704"></a>00704 Q_UINT32 timecnt;
<a name="l00705"></a>00705 Q_UINT32 typecnt;
<a name="l00706"></a>00706 Q_UINT32 charcnt;
<a name="l00707"></a>00707 } tzh;
<a name="l00708"></a>00708 Q_UINT32 transitionTime;
<a name="l00709"></a>00709 Q_UINT8 localTimeIndex;
<a name="l00710"></a>00710 <span class="keyword">struct</span>
<a name="l00711"></a>00711 {
<a name="l00712"></a>00712 Q_INT32 gmtoff;
<a name="l00713"></a>00713 Q_INT8 isdst;
<a name="l00714"></a>00714 Q_UINT8 abbrind;
<a name="l00715"></a>00715 } tt;
<a name="l00716"></a>00716 Q_UINT32 leapTime;
<a name="l00717"></a>00717 Q_UINT32 leapSeconds;
<a name="l00718"></a>00718 Q_UINT8 isStandard;
<a name="l00719"></a>00719 Q_UINT8 isUTC;
<a name="l00720"></a>00720
<a name="l00721"></a>00721 <a class="codeRef" href="qdatastream.html">QDataStream</a> str(&f);
<a name="l00722"></a>00722 str >> T >> z >> i_ >> f_;
<a name="l00723"></a>00723 <span class="comment">// kdError() << "signature: " << QChar(T) << QChar(z) << QChar(i_) << QChar(f_) << endl;</span>
<a name="l00724"></a>00724 <span class="keywordtype">unsigned</span> i;
<a name="l00725"></a>00725 <span class="keywordflow">for</span> (i = 0; i < 4; i++)
<a name="l00726"></a>00726 str >> tzh.ttisgmtcnt;
<a name="l00727"></a>00727 str >> tzh.ttisgmtcnt >> tzh.ttisstdcnt >> tzh.leapcnt >> tzh.timecnt >> tzh.typecnt >> tzh.charcnt;
<a name="l00728"></a>00728 <span class="comment">// kdError() << "header: " << tzh.ttisgmtcnt << ", " << tzh.ttisstdcnt << ", " << tzh.leapcnt << ", " <<</span>
<a name="l00729"></a>00729 <span class="comment">// tzh.timecnt << ", " << tzh.typecnt << ", " << tzh.charcnt << endl;</span>
<a name="l00730"></a>00730 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a21a71d3bd8fc30df76c5761dfdd0a9f5" title="Called when the header is seen.">gotHeader</a>(tzh.ttisgmtcnt, tzh.ttisstdcnt, tzh.leapcnt, tzh.timecnt, tzh.typecnt, tzh.charcnt);
<a name="l00731"></a>00731 <span class="keywordflow">for</span> (i = 0; i < tzh.timecnt; i++)
<a name="l00732"></a>00732 {
<a name="l00733"></a>00733 str >> transitionTime;
<a name="l00734"></a>00734 dataReceiver.<a class="code" href="classKTimezoneDetails.html#aa3c68fcbbdb3692e71d277ae648f3c36" title="Called when a transition time is seen.">gotTransitionTime</a>(i, transitionTime);
<a name="l00735"></a>00735 }
<a name="l00736"></a>00736 <span class="keywordflow">for</span> (i = 0; i < tzh.timecnt; i++)
<a name="l00737"></a>00737 {
<a name="l00738"></a>00738 <span class="comment">// NB: these appear to be 1-based, not zero-based!</span>
<a name="l00739"></a>00739 str >> localTimeIndex;
<a name="l00740"></a>00740 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a6b934c372a1d7e3e8131b98e39a03b78" title="Called when a local time index is seen.">gotLocalTimeIndex</a>(i, localTimeIndex);
<a name="l00741"></a>00741 }
<a name="l00742"></a>00742 <span class="keywordflow">for</span> (i = 0; i < tzh.typecnt; i++)
<a name="l00743"></a>00743 {
<a name="l00744"></a>00744 str >> tt.gmtoff >> tt.isdst >> tt.abbrind;
<a name="l00745"></a>00745 <span class="comment">// kdError() << "local type: " << tt.gmtoff << ", " << tt.isdst << ", " << tt.abbrind << endl;</span>
<a name="l00746"></a>00746 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a589550e9a529a73bf8636e3a8c54e5ec" title="Called when a local time is seen.">gotLocalTime</a>(i, tt.gmtoff, (tt.isdst != 0), tt.abbrind);
<a name="l00747"></a>00747 }
<a name="l00748"></a>00748
<a name="l00749"></a>00749 <span class="comment">// Make sure we don't run foul of maliciously coded timezone abbreviations.</span>
<a name="l00750"></a>00750 <span class="keywordflow">if</span> (tzh.charcnt > 64)
<a name="l00751"></a>00751 {
<a name="l00752"></a>00752 kdError() << <span class="stringliteral">"excessive length for timezone abbreviations: "</span> << tzh.charcnt << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00753"></a>00753 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00754"></a>00754 }
<a name="l00755"></a>00755 <a class="codeRef" href="qbytearray.html">QByteArray</a> array(tzh.charcnt);
<a name="l00756"></a>00756 str.<a class="codeRef" href="qdatastream.html#readRawBytes">readRawBytes</a>(array.data(), array.size());
<a name="l00757"></a>00757 <span class="keywordtype">char</span> *abbrs = array.data();
<a name="l00758"></a>00758 <span class="keywordflow">if</span> (abbrs[tzh.charcnt - 1] != 0)
<a name="l00759"></a>00759 {
<a name="l00760"></a>00760 <span class="comment">// These abbrevations are corrupt!</span>
<a name="l00761"></a>00761 kdError() << <span class="stringliteral">"timezone abbreviations not terminated: "</span> << abbrs[tzh.charcnt - 1] << <a class="code" href="group__kdebug.html#ga313d520ed8f8f6b46eeef22cfb3b082a" title="Does nothing.">endl</a>;
<a name="l00762"></a>00762 <span class="keywordflow">return</span> <span class="keyword">false</span>;
<a name="l00763"></a>00763 }
<a name="l00764"></a>00764 <span class="keywordtype">char</span> *abbr = abbrs;
<a name="l00765"></a>00765 <span class="keywordflow">while</span> (abbr < abbrs + tzh.charcnt)
<a name="l00766"></a>00766 {
<a name="l00767"></a>00767 <span class="comment">// kdError() << "abbr: " << abbr << endl;</span>
<a name="l00768"></a>00768 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a3b5690500a799acba6f05d5af6b39ade" title="Called when a timezone abbreviation is seen.">gotAbbreviation</a>((abbr - abbrs), abbr);
<a name="l00769"></a>00769 abbr += strlen(abbr) + 1;
<a name="l00770"></a>00770 }
<a name="l00771"></a>00771 <span class="keywordflow">for</span> (i = 0; i < tzh.leapcnt; i++)
<a name="l00772"></a>00772 {
<a name="l00773"></a>00773 str >> leapTime >> leapSeconds;
<a name="l00774"></a>00774 <span class="comment">// kdError() << "leap entry: " << leapTime << ", " << leapSeconds << endl;</span>
<a name="l00775"></a>00775 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a4181bdbe08a6b99eefbfc7fdb495eeca" title="Called when a leap second adjustment is seen.">gotLeapAdjustment</a>(i, leapTime, leapSeconds);
<a name="l00776"></a>00776 }
<a name="l00777"></a>00777 <span class="keywordflow">for</span> (i = 0; i < tzh.ttisstdcnt; i++)
<a name="l00778"></a>00778 {
<a name="l00779"></a>00779 str >> isStandard;
<a name="l00780"></a>00780 <span class="comment">// kdError() << "standard: " << isStandard << endl;</span>
<a name="l00781"></a>00781 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a7ec3d971edc093d3fc2d408ff2ca14d9" title="Called when a standard/wall time indicator is seen.">gotIsStandard</a>(i, (isStandard != 0));
<a name="l00782"></a>00782 }
<a name="l00783"></a>00783 <span class="keywordflow">for</span> (i = 0; i < tzh.ttisgmtcnt; i++)
<a name="l00784"></a>00784 {
<a name="l00785"></a>00785 str >> isUTC;
<a name="l00786"></a>00786 <span class="comment">// kdError() << "UTC: " << isUTC << endl;</span>
<a name="l00787"></a>00787 dataReceiver.<a class="code" href="classKTimezoneDetails.html#a5932c021233cd2baaa9768255ecdc6b2" title="Called when a UTC/local time indicator is seen.">gotIsUTC</a>(i, (isUTC != 0));
<a name="l00788"></a>00788 }
<a name="l00789"></a>00789 <span class="keywordflow">return</span> <span class="keyword">true</span>;
<a name="l00790"></a>00790 }
</pre></div></div>
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value="classKMimeSourceFactory.html">kmimesourcefactory</option>, <option value="classKMountPoint.html">kmountpoint</option>, <option value="classKMultipleDrag.html">kmultipledrag</option>, <option value="classKNetwork_1_1KActiveSocketBase.html">knetwork::kactivesocketbase</option>, <option value="classKNetwork_1_1KBufferedSocket.html">knetwork::kbufferedsocket</option>, <option value="classKNetwork_1_1KClientSocketBase.html">knetwork::kclientsocketbase</option>, <option value="classKNetwork_1_1KDatagramPacket.html">knetwork::kdatagrampacket</option>, <option value="classKNetwork_1_1KDatagramSocket.html">knetwork::kdatagramsocket</option>, <option value="classKNetwork_1_1KHttpProxySocketDevice.html">knetwork::khttpproxysocketdevice</option>, <option value="classKNetwork_1_1KInetSocketAddress.html">knetwork::kinetsocketaddress</option>, <option value="classKNetwork_1_1KIpAddress.html">knetwork::kipaddress</option>, <option value="classKNetwork_1_1KMulticastSocket.html">knetwork::kmulticastsocket</option>, <option value="classKNetwork_1_1KMulticastSocketImpl.html">knetwork::kmulticastsocketimpl</option>, <option value="classKNetwork_1_1KNetworkInterface.html">knetwork::knetworkinterface</option>, <option value="classKNetwork_1_1KPassiveSocketBase.html">knetwork::kpassivesocketbase</option>, <option value="classKNetwork_1_1KResolver.html">knetwork::kresolver</option>, <option value="classKNetwork_1_1KResolverEntry.html">knetwork::kresolverentry</option>, <option value="classKNetwork_1_1KResolverResults.html">knetwork::kresolverresults</option>, <option value="classKNetwork_1_1KResolverWorkerBase_1_1ResolverLocker.html">knetwork::kresolverworkerbase::resolverlocker</option>, <option value="classKNetwork_1_1KReverseResolver.html">knetwork::kreverseresolver</option>, <option value="classKNetwork_1_1KServerSocket.html">knetwork::kserversocket</option>, <option value="classKNetwork_1_1KSocketAddress.html">knetwork::ksocketaddress</option>, <option value="classKNetwork_1_1KSocketBase.html">knetwork::ksocketbase</option>, <option value="classKNetwork_1_1KSocketDevice.html">knetwork::ksocketdevice</option>, <option value="classKNetwork_1_1KSocketDeviceFactory.html">knetwork::ksocketdevicefactory</option>, <option value="classKNetwork_1_1KSocksSocketDevice.html">knetwork::ksockssocketdevice</option>, <option value="classKNetwork_1_1KStreamSocket.html">knetwork::kstreamsocket</option>, <option value="classKNetwork_1_1KUnixSocketAddress.html">knetwork::kunixsocketaddress</option>, <option value="classKNotifyClient_1_1Instance.html">knotifyclient::instance</option>, <option value="classKPalette.html">kpalette</option>, <option value="classKPixmapProvider.html">kpixmapprovider</option>, <option value="classKPopupAccelManager.html">kpopupaccelmanager</option>, <option value="classKProcess.html">kprocess</option>, <option 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value="classKTempDir.html">ktempdir</option>, <option value="classKTempFile.html">ktempfile</option>, <option value="classKTimezone.html">ktimezone</option>, <option value="classKTimezoneDetails.html">ktimezonedetails</option>, <option value="classKTimezones.html">ktimezones</option>, <option value="classKTimezoneSource.html">ktimezonesource</option>, <option value="classKUniqueApplication.html">kuniqueapplication</option>, <option value="classKUnixSocketAddress.html">kunixsocketaddress</option>, <option value="classKURL.html">kurl</option>, <option value="classKURL_1_1List.html">kurl::list</option>, <option value="classKURLDrag.html">kurldrag</option>, <option value="classKUser.html">kuser</option>, <option value="classKUserGroup.html">kusergroup</option>, <option value="classKVMAllocator.html">kvmallocator</option>, <option value="classKWin.html">kwin</option>, <option value="classKWin_1_1WindowInfo.html">kwin::windowinfo</option>, <option 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