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<div class="navpath"><a class="el" href="dir_88117dff2735251a69c8eb9084477714.html">src</a> » <a class="el" href="dir_dc63a72a31e1c272514e3670d5c54e12.html">utils</a>
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<h1>date.cpp</h1><a href="a00198.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/***************************************************************************</span>
<a name="l00002"></a>00002 <span class="comment"> file : $URL: https://frepple.svn.sourceforge.net/svnroot/frepple/trunk/src/utils/date.cpp $</span>
<a name="l00003"></a>00003 <span class="comment"> version : $LastChangedRevision: 1315 $ $LastChangedBy: jdetaeye $</span>
<a name="l00004"></a>00004 <span class="comment"> date : $LastChangedDate: 2010-07-17 18:08:53 +0200 (Sat, 17 Jul 2010) $</span>
<a name="l00005"></a>00005 <span class="comment"> ***************************************************************************/</span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="comment">/***************************************************************************</span>
<a name="l00008"></a>00008 <span class="comment"> * *</span>
<a name="l00009"></a>00009 <span class="comment"> * Copyright (C) 2007-2010 by Johan De Taeye *</span>
<a name="l00010"></a>00010 <span class="comment"> * *</span>
<a name="l00011"></a>00011 <span class="comment"> * This library is free software; you can redistribute it and/or modify it *</span>
<a name="l00012"></a>00012 <span class="comment"> * under the terms of the GNU Lesser General Public License as published *</span>
<a name="l00013"></a>00013 <span class="comment"> * by the Free Software Foundation; either version 2.1 of the License, or *</span>
<a name="l00014"></a>00014 <span class="comment"> * (at your option) any later version. *</span>
<a name="l00015"></a>00015 <span class="comment"> * *</span>
<a name="l00016"></a>00016 <span class="comment"> * This library is distributed in the hope that it will be useful, *</span>
<a name="l00017"></a>00017 <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of *</span>
<a name="l00018"></a>00018 <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser *</span>
<a name="l00019"></a>00019 <span class="comment"> * General Public License for more details. *</span>
<a name="l00020"></a>00020 <span class="comment"> * *</span>
<a name="l00021"></a>00021 <span class="comment"> * You should have received a copy of the GNU Lesser General Public *</span>
<a name="l00022"></a>00022 <span class="comment"> * License along with this library; if not, write to the Free Software *</span>
<a name="l00023"></a>00023 <span class="comment"> * Foundation Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 *</span>
<a name="l00024"></a>00024 <span class="comment"> * USA *</span>
<a name="l00025"></a>00025 <span class="comment"> * *</span>
<a name="l00026"></a>00026 <span class="comment"> ***************************************************************************/</span>
<a name="l00027"></a>00027
<a name="l00028"></a><a class="code" href="a00198.html#a342983a479ae7a921be5face83fdb029">00028</a> <span class="preprocessor">#define FREPPLE_CORE</span>
<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#include "<a class="code" href="a00252.html" title="Header file for auxilary classes.">frepple/utils.h</a>"</span>
<a name="l00030"></a>00030 <span class="preprocessor">#include <ctime></span>
<a name="l00031"></a>00031 <span class="preprocessor">#include <clocale></span>
<a name="l00032"></a>00032
<a name="l00033"></a>00033
<a name="l00034"></a>00034 <span class="keyword">namespace </span>frepple
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <span class="keyword">namespace </span>utils
<a name="l00037"></a>00037 {
<a name="l00038"></a>00038
<a name="l00039"></a>00039 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">string</span> Date::format(<span class="stringliteral">"%Y-%m-%dT%H:%M:%S"</span>);
<a name="l00040"></a>00040 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">string</span> DateRange::separator = <span class="stringliteral">" / "</span>;
<a name="l00041"></a>00041 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">size_t</span> DateRange::separatorlength = 3;
<a name="l00042"></a>00042
<a name="l00043"></a>00043 <span class="comment">/* This is the earliest date that we can represent. This not the</span>
<a name="l00044"></a>00044 <span class="comment"> * traditional epcoh start, but a year later. 1/1/1970 gave troubles</span>
<a name="l00045"></a>00045 <span class="comment"> * when using a timezone with positive offset to GMT.</span>
<a name="l00046"></a>00046 <span class="comment"> */</span>
<a name="l00047"></a>00047 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keyword">const</span> Date <a class="code" href="a00049.html#ab6b35eef8d34856f11d962478ec68783">Date::infinitePast</a>(<span class="stringliteral">"1971-01-01T00:00:00"</span>,<span class="keyword">true</span>);
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <span class="comment">/* This is the latest date that we can represent. This is not the absolute</span>
<a name="l00050"></a>00050 <span class="comment"> * limit of the internal representation, but more a convenient end date. */</span>
<a name="l00051"></a>00051 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keyword">const</span> Date <a class="code" href="a00049.html#a1e4384af7e9cac081e5001245b8cae67">Date::infiniteFuture</a>(<span class="stringliteral">"2030-12-31T00:00:00"</span>,<span class="keyword">true</span>);
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keyword">const</span> TimePeriod <a class="code" href="a00179.html#abd75b4292e4d01ec927fafd8618f7587">TimePeriod::MAX</a>(Date::infiniteFuture - Date::infinitePast);
<a name="l00054"></a>00054 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keyword">const</span> TimePeriod <a class="code" href="a00179.html#aa50d5181ad692fab538b49efe8d782a1">TimePeriod::MIN</a>(Date::infinitePast - Date::infiniteFuture);
<a name="l00055"></a>00055
<a name="l00056"></a>00056
<a name="l00057"></a>00057 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">void</span> Date::checkFinite(<span class="keywordtype">long</span> <span class="keywordtype">long</span> i)
<a name="l00058"></a>00058 {
<a name="l00059"></a>00059 <span class="keywordflow">if</span> (i > <a class="code" href="a00049.html#a1e4384af7e9cac081e5001245b8cae67">infiniteFuture</a>.lval) lval = <a class="code" href="a00049.html#a1e4384af7e9cac081e5001245b8cae67">infiniteFuture</a>.lval;
<a name="l00060"></a>00060 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i < <a class="code" href="a00049.html#ab6b35eef8d34856f11d962478ec68783">infinitePast</a>.lval) lval = <a class="code" href="a00049.html#ab6b35eef8d34856f11d962478ec68783">infinitePast</a>.lval;
<a name="l00061"></a>00061 <span class="keywordflow">else</span> lval = <span class="keyword">static_cast<</span><span class="keywordtype">long</span><span class="keyword">></span>(i);
<a name="l00062"></a>00062 }
<a name="l00063"></a>00063
<a name="l00064"></a>00064
<a name="l00065"></a>00065 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">void</span> TimePeriod::toCharBuffer(<span class="keywordtype">char</span>* t)<span class="keyword"> const</span>
<a name="l00066"></a>00066 <span class="keyword"></span>{
<a name="l00067"></a>00067 <span class="keywordflow">if</span> (!lval)
<a name="l00068"></a>00068 {
<a name="l00069"></a>00069 sprintf(t,<span class="stringliteral">"P0D"</span>);
<a name="l00070"></a>00070 <span class="keywordflow">return</span>;
<a name="l00071"></a>00071 }
<a name="l00072"></a>00072 <span class="keywordtype">long</span> tmp = (lval>0 ? lval : -lval);
<a name="l00073"></a>00073 <span class="keywordflow">if</span> (lval<0) *(t++) = <span class="charliteral">'-'</span>;
<a name="l00074"></a>00074 *(t++) = <span class="charliteral">'P'</span>;
<a name="l00075"></a>00075 <span class="keywordflow">if</span> (tmp >= 31536000L)
<a name="l00076"></a>00076 {
<a name="l00077"></a>00077 <span class="keywordtype">long</span> y = tmp / 31536000L;
<a name="l00078"></a>00078 t += sprintf(t,<span class="stringliteral">"%liY"</span>, y);
<a name="l00079"></a>00079 tmp %= 31536000L;
<a name="l00080"></a>00080 }
<a name="l00081"></a>00081 <span class="keywordflow">if</span> (tmp >= 86400L)
<a name="l00082"></a>00082 {
<a name="l00083"></a>00083 <span class="keywordtype">long</span> d = tmp / 86400L;
<a name="l00084"></a>00084 t += sprintf(t,<span class="stringliteral">"%liD"</span>, d);
<a name="l00085"></a>00085 tmp %= 86400L;
<a name="l00086"></a>00086 }
<a name="l00087"></a>00087 <span class="keywordflow">if</span> (tmp > 0L)
<a name="l00088"></a>00088 {
<a name="l00089"></a>00089 *(t++) = <span class="charliteral">'T'</span>;
<a name="l00090"></a>00090 <span class="keywordflow">if</span> (tmp >= 3600L)
<a name="l00091"></a>00091 {
<a name="l00092"></a>00092 <span class="keywordtype">long</span> h = tmp / 3600L;
<a name="l00093"></a>00093 t += sprintf(t,<span class="stringliteral">"%liH"</span>, h);
<a name="l00094"></a>00094 tmp %= 3600L;
<a name="l00095"></a>00095 }
<a name="l00096"></a>00096 <span class="keywordflow">if</span> (tmp >= 60L)
<a name="l00097"></a>00097 {
<a name="l00098"></a>00098 <span class="keywordtype">long</span> h = tmp / 60L;
<a name="l00099"></a>00099 t += sprintf(t,<span class="stringliteral">"%liM"</span>, h);
<a name="l00100"></a>00100 tmp %= 60L;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102 <span class="keywordflow">if</span> (tmp > 0L)
<a name="l00103"></a>00103 sprintf(t,<span class="stringliteral">"%liS"</span>, tmp);
<a name="l00104"></a>00104 }
<a name="l00105"></a>00105 }
<a name="l00106"></a>00106
<a name="l00107"></a>00107
<a name="l00108"></a><a class="code" href="a00050.html#a715769d4811f3c36fb96a3f926cd49b8">00108</a> <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <a class="code" href="a00050.html#a715769d4811f3c36fb96a3f926cd49b8">DateRange::operator string</a>()<span class="keyword"> const</span>
<a name="l00109"></a>00109 <span class="keyword"></span>{
<a name="l00110"></a>00110 <span class="comment">// Start date</span>
<a name="l00111"></a>00111 <span class="keywordtype">char</span> r[65];
<a name="l00112"></a>00112 <span class="keywordtype">char</span> *pos = r + start.<a class="code" href="a00049.html#adad155c208392a9f4e6a00cd1300d258">toCharBuffer</a>(r);
<a name="l00113"></a>00113
<a name="l00114"></a>00114 <span class="comment">// Append the separator</span>
<a name="l00115"></a>00115 strcat(pos, separator.c_str());
<a name="l00116"></a>00116 pos += separatorlength;
<a name="l00117"></a>00117
<a name="l00118"></a>00118 <span class="comment">// Append the end date</span>
<a name="l00119"></a>00119 end.<a class="code" href="a00049.html#adad155c208392a9f4e6a00cd1300d258">toCharBuffer</a>(pos);
<a name="l00120"></a>00120 <span class="keywordflow">return</span> r;
<a name="l00121"></a>00121 }
<a name="l00122"></a>00122
<a name="l00123"></a>00123
<a name="l00124"></a><a class="code" href="a00049.html#adad155c208392a9f4e6a00cd1300d258">00124</a> <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">size_t</span> <a class="code" href="a00049.html#adad155c208392a9f4e6a00cd1300d258">Date::toCharBuffer</a>(<span class="keywordtype">char</span>* str)<span class="keyword"> const</span>
<a name="l00125"></a>00125 <span class="keyword"></span>{
<a name="l00126"></a>00126 <span class="comment">// The standard library function localtime() is not re-entrant: the same</span>
<a name="l00127"></a>00127 <span class="comment">// static structure is used for all calls. In a multi-threaded environment</span>
<a name="l00128"></a>00128 <span class="comment">// the function is not to be used.</span>
<a name="l00129"></a>00129 <span class="comment">// The POSIX standard defines a re-entrant version of the function:</span>
<a name="l00130"></a>00130 <span class="comment">// localtime_r.</span>
<a name="l00131"></a>00131 <span class="comment">// Visual C++ 6.0 and Borland 5.5 are missing it, but provide a thread-safe</span>
<a name="l00132"></a>00132 <span class="comment">// variant without changing the function semantics.</span>
<a name="l00133"></a>00133 <span class="preprocessor">#ifdef HAVE_LOCALTIME_R</span>
<a name="l00134"></a>00134 <span class="preprocessor"></span> <span class="keyword">struct </span>tm timeStruct;
<a name="l00135"></a>00135 localtime_r(&lval, &timeStruct);
<a name="l00136"></a>00136 <span class="preprocessor">#else</span>
<a name="l00137"></a>00137 <span class="preprocessor"></span> <span class="keyword">struct </span>tm timeStruct = *localtime(&lval);
<a name="l00138"></a>00138 <span class="preprocessor">#endif</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span> <span class="keywordflow">return</span> strftime(str, 30, format.c_str(), &timeStruct);
<a name="l00140"></a>00140 }
<a name="l00141"></a>00141
<a name="l00142"></a>00142
<a name="l00143"></a><a class="code" href="a00179.html#a16a9ec9ceaf0cb43814c1119779027f6">00143</a> <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">void</span> <a class="code" href="a00179.html#a16a9ec9ceaf0cb43814c1119779027f6">TimePeriod::parse</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>* s)
<a name="l00144"></a>00144 {
<a name="l00145"></a>00145 <span class="keywordtype">long</span> totalvalue = 0;
<a name="l00146"></a>00146 <span class="keywordtype">long</span> value = 0;
<a name="l00147"></a>00147 <span class="keywordtype">bool</span> negative = <span class="keyword">false</span>;
<a name="l00148"></a>00148 <span class="keyword">const</span> <span class="keywordtype">char</span> *c = s;
<a name="l00149"></a>00149
<a name="l00150"></a>00150 <span class="comment">// Optional minus sign</span>
<a name="l00151"></a>00151 <span class="keywordflow">if</span> (*c == <span class="charliteral">'-'</span>)
<a name="l00152"></a>00152 {
<a name="l00153"></a>00153 negative = <span class="keyword">true</span>;
<a name="l00154"></a>00154 ++c;
<a name="l00155"></a>00155 }
<a name="l00156"></a>00156
<a name="l00157"></a>00157 <span class="comment">// Compulsary 'P'</span>
<a name="l00158"></a>00158 <span class="keywordflow">if</span> (*c != <span class="charliteral">'P'</span>)
<a name="l00159"></a>00159 <span class="keywordflow">throw</span> <a class="code" href="a00048.html" title="An exception of this type is thrown when data errors are found.">DataException</a>(<span class="stringliteral">"Invalid time string '"</span> + <span class="keywordtype">string</span>(s) + <span class="stringliteral">"'"</span>);
<a name="l00160"></a>00160 ++c;
<a name="l00161"></a>00161
<a name="l00162"></a>00162 <span class="comment">// Parse the date part</span>
<a name="l00163"></a>00163 <span class="keywordflow">for</span> ( ; *c && *c != <span class="charliteral">'T'</span>; ++c)
<a name="l00164"></a>00164 {
<a name="l00165"></a>00165 <span class="keywordflow">switch</span> (*c)
<a name="l00166"></a>00166 {
<a name="l00167"></a>00167 <span class="keywordflow">case</span> <span class="charliteral">'0'</span>: <span class="keywordflow">case</span> <span class="charliteral">'1'</span>: <span class="keywordflow">case</span> <span class="charliteral">'2'</span>: <span class="keywordflow">case</span> <span class="charliteral">'3'</span>: <span class="keywordflow">case</span> <span class="charliteral">'4'</span>:
<a name="l00168"></a>00168 <span class="keywordflow">case</span> <span class="charliteral">'5'</span>: <span class="keywordflow">case</span> <span class="charliteral">'6'</span>: <span class="keywordflow">case</span> <span class="charliteral">'7'</span>: <span class="keywordflow">case</span> <span class="charliteral">'8'</span>: <span class="keywordflow">case</span> <span class="charliteral">'9'</span>:
<a name="l00169"></a>00169 value = value * 10 + (*c - <span class="charliteral">'0'</span>);
<a name="l00170"></a>00170 <span class="keywordflow">break</span>;
<a name="l00171"></a>00171 <span class="keywordflow">case</span> <span class="charliteral">'Y'</span>:
<a name="l00172"></a>00172 totalvalue += value * 31536000L;
<a name="l00173"></a>00173 value = 0;
<a name="l00174"></a>00174 <span class="keywordflow">break</span>;
<a name="l00175"></a>00175 <span class="keywordflow">case</span> <span class="charliteral">'M'</span>:
<a name="l00176"></a>00176 <span class="comment">// 1 Month = 1 Year / 12 = 365 days / 12</span>
<a name="l00177"></a>00177 totalvalue += value * 2628000L;
<a name="l00178"></a>00178 value = 0;
<a name="l00179"></a>00179 <span class="keywordflow">break</span>;
<a name="l00180"></a>00180 <span class="keywordflow">case</span> <span class="charliteral">'W'</span>:
<a name="l00181"></a>00181 totalvalue += value * 604800L;
<a name="l00182"></a>00182 value = 0;
<a name="l00183"></a>00183 <span class="keywordflow">break</span>;
<a name="l00184"></a>00184 <span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
<a name="l00185"></a>00185 totalvalue += value * 86400L;
<a name="l00186"></a>00186 value = 0;
<a name="l00187"></a>00187 <span class="keywordflow">break</span>;
<a name="l00188"></a>00188 <span class="keywordflow">default</span>:
<a name="l00189"></a>00189 <span class="keywordflow">throw</span> <a class="code" href="a00048.html" title="An exception of this type is thrown when data errors are found.">DataException</a>(<span class="stringliteral">"Invalid time string '"</span> + <span class="keywordtype">string</span>(s) + <span class="stringliteral">"'"</span>);
<a name="l00190"></a>00190 }
<a name="l00191"></a>00191 }
<a name="l00192"></a>00192
<a name="l00193"></a>00193 <span class="comment">// Parse the time part</span>
<a name="l00194"></a>00194 <span class="keywordflow">if</span> (*c == <span class="charliteral">'T'</span>)
<a name="l00195"></a>00195 {
<a name="l00196"></a>00196 <span class="keywordflow">for</span> (++c ; *c; ++c)
<a name="l00197"></a>00197 {
<a name="l00198"></a>00198 <span class="keywordflow">switch</span> (*c)
<a name="l00199"></a>00199 {
<a name="l00200"></a>00200 <span class="keywordflow">case</span> <span class="charliteral">'0'</span>: <span class="keywordflow">case</span> <span class="charliteral">'1'</span>: <span class="keywordflow">case</span> <span class="charliteral">'2'</span>: <span class="keywordflow">case</span> <span class="charliteral">'3'</span>: <span class="keywordflow">case</span> <span class="charliteral">'4'</span>:
<a name="l00201"></a>00201 <span class="keywordflow">case</span> <span class="charliteral">'5'</span>: <span class="keywordflow">case</span> <span class="charliteral">'6'</span>: <span class="keywordflow">case</span> <span class="charliteral">'7'</span>: <span class="keywordflow">case</span> <span class="charliteral">'8'</span>: <span class="keywordflow">case</span> <span class="charliteral">'9'</span>:
<a name="l00202"></a>00202 value = value * 10 + (*c - <span class="charliteral">'0'</span>);
<a name="l00203"></a>00203 <span class="keywordflow">break</span>;
<a name="l00204"></a>00204 <span class="keywordflow">case</span> <span class="charliteral">'H'</span>:
<a name="l00205"></a>00205 totalvalue += value * 3600L;
<a name="l00206"></a>00206 value = 0;
<a name="l00207"></a>00207 <span class="keywordflow">break</span>;
<a name="l00208"></a>00208 <span class="keywordflow">case</span> <span class="charliteral">'M'</span>:
<a name="l00209"></a>00209 totalvalue += value * 60L;
<a name="l00210"></a>00210 value = 0;
<a name="l00211"></a>00211 <span class="keywordflow">break</span>;
<a name="l00212"></a>00212 <span class="keywordflow">case</span> <span class="charliteral">'S'</span>:
<a name="l00213"></a>00213 totalvalue += value;
<a name="l00214"></a>00214 value = 0;
<a name="l00215"></a>00215 <span class="keywordflow">break</span>;
<a name="l00216"></a>00216 <span class="keywordflow">default</span>:
<a name="l00217"></a>00217 <span class="keywordflow">throw</span> <a class="code" href="a00048.html" title="An exception of this type is thrown when data errors are found.">DataException</a>(<span class="stringliteral">"Invalid time string '"</span> + <span class="keywordtype">string</span>(s) + <span class="stringliteral">"'"</span>);
<a name="l00218"></a>00218 }
<a name="l00219"></a>00219 }
<a name="l00220"></a>00220 }
<a name="l00221"></a>00221
<a name="l00222"></a>00222 <span class="comment">// Missing a time unit</span>
<a name="l00223"></a>00223 <span class="keywordflow">if</span> (value) <span class="keywordflow">throw</span> <a class="code" href="a00048.html" title="An exception of this type is thrown when data errors are found.">DataException</a>(<span class="stringliteral">"Invalid time string '"</span> + <span class="keywordtype">string</span>(s) + <span class="stringliteral">"'"</span>);
<a name="l00224"></a>00224
<a name="l00225"></a>00225 <span class="comment">// If no exceptions where thrown we can now store the value</span>
<a name="l00226"></a>00226 lval = negative ? -totalvalue : totalvalue;
<a name="l00227"></a>00227 }
<a name="l00228"></a>00228
<a name="l00229"></a>00229
<a name="l00230"></a><a class="code" href="a00049.html#a054e8502d7c37b8e0d430b468b47c174">00230</a> <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">void</span> <a class="code" href="a00049.html#a054e8502d7c37b8e0d430b468b47c174">Date::parse</a> (<span class="keyword">const</span> <span class="keywordtype">char</span>* s, <span class="keyword">const</span> <span class="keywordtype">string</span>& fmt)
<a name="l00231"></a>00231 {
<a name="l00232"></a>00232 <span class="keywordflow">if</span> (!s)
<a name="l00233"></a>00233 {
<a name="l00234"></a>00234 <span class="comment">// Null string passed - default value is infinite past</span>
<a name="l00235"></a>00235 lval = <a class="code" href="a00049.html#ab6b35eef8d34856f11d962478ec68783">infinitePast</a>.lval;
<a name="l00236"></a>00236 <span class="keywordflow">return</span>;
<a name="l00237"></a>00237 }
<a name="l00238"></a>00238 <span class="keyword">struct </span>tm p;
<a name="l00239"></a>00239 strptime(s, fmt.c_str(), &p);
<a name="l00240"></a>00240 <span class="comment">// No clue whether daylight saving time is in effect...</span>
<a name="l00241"></a>00241 p.tm_isdst = -1;
<a name="l00242"></a>00242 lval = mktime(&p);
<a name="l00243"></a>00243 }
<a name="l00244"></a>00244
<a name="l00245"></a>00245
<a name="l00246"></a>00246 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <a class="code" href="a00049.html#a65f49376e4266e27a80ca17bf5f15caa">Date::Date</a>
<a name="l00247"></a><a class="code" href="a00049.html#a3e5f8abac352db7a543d66ef3227de97">00247</a> (<span class="keywordtype">int</span> year, <span class="keywordtype">int</span> month, <span class="keywordtype">int</span> day, <span class="keywordtype">int</span> hr, <span class="keywordtype">int</span> min, <span class="keywordtype">int</span> sec)
<a name="l00248"></a>00248 {
<a name="l00249"></a>00249 <span class="keyword">struct </span>tm p;
<a name="l00250"></a>00250 p.tm_isdst = -1;
<a name="l00251"></a>00251 p.tm_year = year - 1900;
<a name="l00252"></a>00252 p.tm_mon = month - 1;
<a name="l00253"></a>00253 p.tm_mday = day;
<a name="l00254"></a>00254 p.tm_hour = hr;
<a name="l00255"></a>00255 p.tm_min = min;
<a name="l00256"></a>00256 p.tm_sec = sec;
<a name="l00257"></a>00257 lval = mktime(&p);
<a name="l00258"></a>00258 checkFinite(lval);
<a name="l00259"></a>00259 }
<a name="l00260"></a>00260
<a name="l00261"></a>00261
<a name="l00262"></a>00262 <span class="comment">// The next method is only compiled if the function strptime</span>
<a name="l00263"></a>00263 <span class="comment">// isn't available in your standard library.</span>
<a name="l00264"></a>00264 <span class="preprocessor">#ifndef HAVE_STRPTIME</span>
<a name="l00265"></a>00265 <span class="preprocessor"></span>
<a name="l00266"></a>00266 <a class="code" href="a00252.html#a99b94ab8c2f2a32277559c7b2b0a054c">DECLARE_EXPORT</a> <span class="keywordtype">char</span>* Date::strptime(<span class="keyword">const</span> <span class="keywordtype">char</span> *buf, <span class="keyword">const</span> <span class="keywordtype">char</span> *fmt, <span class="keyword">struct</span> tm *tm)
<a name="l00267"></a>00267 {
<a name="l00268"></a>00268 <span class="keyword">struct </span>dtconv
<a name="l00269"></a>00269 {
<a name="l00270"></a>00270 <span class="keywordtype">char</span> *abbrev_month_names[12];
<a name="l00271"></a>00271 <span class="keywordtype">size_t</span> len_abbrev_month_names[12];
<a name="l00272"></a>00272 <span class="keywordtype">char</span> *month_names[12];
<a name="l00273"></a>00273 <span class="keywordtype">size_t</span> len_month_names[12];
<a name="l00274"></a>00274 <span class="keywordtype">char</span> *abbrev_weekday_names[7];
<a name="l00275"></a>00275 <span class="keywordtype">size_t</span> len_abbrev_weekday_names[7];
<a name="l00276"></a>00276 <span class="keywordtype">char</span> *weekday_names[7];
<a name="l00277"></a>00277 <span class="keywordtype">size_t</span> len_weekday_names[7];
<a name="l00278"></a>00278 <span class="keywordtype">char</span> *time_format;
<a name="l00279"></a>00279 <span class="keywordtype">char</span> *sDate_format;
<a name="l00280"></a>00280 <span class="keywordtype">char</span> *dtime_format;
<a name="l00281"></a>00281 <span class="keywordtype">char</span> *am_string;
<a name="l00282"></a>00282 <span class="keywordtype">size_t</span> len_am_string;
<a name="l00283"></a>00283 <span class="keywordtype">char</span> *pm_string;
<a name="l00284"></a>00284 <span class="keywordtype">size_t</span> len_pm_string;
<a name="l00285"></a>00285 <span class="keywordtype">char</span> *lDate_format;
<a name="l00286"></a>00286 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> numWeekdays;
<a name="l00287"></a>00287 <span class="keywordtype">unsigned</span> <span class="keywordtype">short</span> numMonths;
<a name="l00288"></a>00288 };
<a name="l00289"></a>00289
<a name="l00290"></a>00290 <span class="comment">// The "length" fields in this structure MUST match the values in the strings.</span>
<a name="l00291"></a>00291 <span class="keyword">static</span> <span class="keyword">struct </span>dtconv En_US =
<a name="l00292"></a>00292 {
<a name="l00293"></a>00293 { <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>,
<a name="l00294"></a>00294 <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="l00295"></a>00295 },
<a name="l00296"></a>00296 { 3, 3, 3, 3, 3, 3,
<a name="l00297"></a>00297 3, 3, 3, 3, 3, 3},
<a name="l00298"></a>00298 { <span class="stringliteral">"January"</span>, <span class="stringliteral">"February"</span>, <span class="stringliteral">"March"</span>, <span class="stringliteral">"April"</span>, <span class="stringliteral">"May"</span>, <span class="stringliteral">"June"</span>, <span class="stringliteral">"July"</span>, <span class="stringliteral">"August"</span>,
<a name="l00299"></a>00299 <span class="stringliteral">"September"</span>, <span class="stringliteral">"October"</span>, <span class="stringliteral">"November"</span>, <span class="stringliteral">"December"</span> },
<a name="l00300"></a>00300 { 8, 8, 5, 5, 3, 4, 4, 6,
<a name="l00301"></a>00301 9, 7, 8, 8},
<a name="l00302"></a>00302 { <span class="stringliteral">"Sun"</span>, <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> },
<a name="l00303"></a>00303 { 3, 3, 3, 3, 3, 3, 3},
<a name="l00304"></a>00304 { <span class="stringliteral">"Sunday"</span>, <span class="stringliteral">"Monday"</span>, <span class="stringliteral">"Tuesday"</span>, <span class="stringliteral">"Wednesday"</span>, <span class="stringliteral">"Thursday"</span>, <span class="stringliteral">"Friday"</span>,
<a name="l00305"></a>00305 <span class="stringliteral">"Saturday"</span> },
<a name="l00306"></a>00306 { 6, 6, 7, 9, 8, 6,
<a name="l00307"></a>00307 8},
<a name="l00308"></a>00308 <span class="stringliteral">"%H:%M:%S"</span>,
<a name="l00309"></a>00309 <span class="stringliteral">"%m/%d/%y"</span>,
<a name="l00310"></a>00310 <span class="stringliteral">"%a %b %e %T %Z %Y"</span>,
<a name="l00311"></a>00311 <span class="stringliteral">"AM"</span>,
<a name="l00312"></a>00312 2,
<a name="l00313"></a>00313 <span class="stringliteral">"PM"</span>,
<a name="l00314"></a>00314 2,
<a name="l00315"></a>00315 <span class="stringliteral">"%A, %B, %e, %Y"</span>,
<a name="l00316"></a>00316 7,
<a name="l00317"></a>00317 12
<a name="l00318"></a>00318 };
<a name="l00319"></a>00319
<a name="l00320"></a>00320 <span class="keywordtype">char</span> c, *ptr;
<a name="l00321"></a>00321 <span class="keywordtype">short</span> i, len = 0;
<a name="l00322"></a>00322
<a name="l00323"></a>00323 <span class="comment">// No clude whether daylight saving time is in effect...</span>
<a name="l00324"></a>00324 tm->tm_isdst = -1;
<a name="l00325"></a>00325
<a name="l00326"></a>00326 ptr = (<span class="keywordtype">char</span>*) fmt;
<a name="l00327"></a>00327 <span class="keywordflow">while</span> (*ptr != 0)
<a name="l00328"></a>00328 {
<a name="l00329"></a>00329
<a name="l00330"></a>00330 <span class="keywordflow">if</span> (*buf == 0) <span class="keywordflow">break</span>;
<a name="l00331"></a>00331 c = *ptr++;
<a name="l00332"></a>00332 <span class="keywordflow">if</span> (c != <span class="charliteral">'%'</span>)
<a name="l00333"></a>00333 {
<a name="l00334"></a>00334 <span class="keywordflow">if</span> (isspace(c))
<a name="l00335"></a>00335 <span class="keywordflow">while</span> (*buf != 0 && isspace(*buf)) buf++;
<a name="l00336"></a>00336 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (c != *buf++) <span class="keywordflow">return</span> 0;
<a name="l00337"></a>00337 <span class="keywordflow">continue</span>;
<a name="l00338"></a>00338 }
<a name="l00339"></a>00339
<a name="l00340"></a>00340 c = *ptr++;
<a name="l00341"></a>00341 <span class="keywordflow">switch</span> (c)
<a name="l00342"></a>00342 {
<a name="l00343"></a>00343 <span class="keywordflow">case</span> 0:
<a name="l00344"></a>00344 <span class="keywordflow">case</span> <span class="charliteral">'%'</span>:
<a name="l00345"></a>00345 <span class="keywordflow">if</span> (*buf++ != <span class="charliteral">'%'</span>) <span class="keywordflow">return</span> 0;
<a name="l00346"></a>00346 <span class="keywordflow">break</span>;
<a name="l00347"></a>00347
<a name="l00348"></a>00348 <span class="keywordflow">case</span> <span class="charliteral">'C'</span>:
<a name="l00349"></a>00349 buf = strptime(buf, En_US.lDate_format, tm);
<a name="l00350"></a>00350 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00351"></a>00351 <span class="keywordflow">break</span>;
<a name="l00352"></a>00352
<a name="l00353"></a>00353 <span class="keywordflow">case</span> <span class="charliteral">'c'</span>:
<a name="l00354"></a>00354 buf = strptime(buf, <span class="stringliteral">"%x %X"</span>, tm);
<a name="l00355"></a>00355 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00356"></a>00356 <span class="keywordflow">break</span>;
<a name="l00357"></a>00357
<a name="l00358"></a>00358 <span class="keywordflow">case</span> <span class="charliteral">'D'</span>:
<a name="l00359"></a>00359 buf = strptime(buf, <span class="stringliteral">"%m/%d/%y"</span>, tm);
<a name="l00360"></a>00360 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00361"></a>00361 <span class="keywordflow">break</span>;
<a name="l00362"></a>00362
<a name="l00363"></a>00363 <span class="keywordflow">case</span> <span class="charliteral">'R'</span>:
<a name="l00364"></a>00364 buf = strptime(buf, <span class="stringliteral">"%H:%M"</span>, tm);
<a name="l00365"></a>00365 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00366"></a>00366 <span class="keywordflow">break</span>;
<a name="l00367"></a>00367
<a name="l00368"></a>00368 <span class="keywordflow">case</span> <span class="charliteral">'r'</span>:
<a name="l00369"></a>00369 buf = strptime(buf, <span class="stringliteral">"%I:%M:%S %p"</span>, tm);
<a name="l00370"></a>00370 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00371"></a>00371 <span class="keywordflow">break</span>;
<a name="l00372"></a>00372
<a name="l00373"></a>00373 <span class="keywordflow">case</span> <span class="charliteral">'T'</span>:
<a name="l00374"></a>00374 buf = strptime(buf, <span class="stringliteral">"%H:%M:%S"</span>, tm);
<a name="l00375"></a>00375 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00376"></a>00376 <span class="keywordflow">break</span>;
<a name="l00377"></a>00377
<a name="l00378"></a>00378 <span class="keywordflow">case</span> <span class="charliteral">'X'</span>:
<a name="l00379"></a>00379 buf = strptime(buf, En_US.time_format, tm);
<a name="l00380"></a>00380 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00381"></a>00381 <span class="keywordflow">break</span>;
<a name="l00382"></a>00382
<a name="l00383"></a>00383 <span class="keywordflow">case</span> <span class="charliteral">'x'</span>:
<a name="l00384"></a>00384 buf = strptime(buf, En_US.sDate_format, tm);
<a name="l00385"></a>00385 <span class="keywordflow">if</span> (buf == 0) <span class="keywordflow">return</span> 0;
<a name="l00386"></a>00386 <span class="keywordflow">break</span>;
<a name="l00387"></a>00387
<a name="l00388"></a>00388 <span class="keywordflow">case</span> <span class="charliteral">'j'</span>:
<a name="l00389"></a>00389 <span class="keywordflow">if</span> (!isdigit(*buf)) <span class="keywordflow">return</span> 0;
<a name="l00390"></a>00390 <span class="keywordflow">for</span> (i = 0; *buf != 0 && isdigit(*buf); ++buf)
<a name="l00391"></a>00391 {
<a name="l00392"></a>00392 i *= 10;
<a name="l00393"></a>00393 i += *buf - <span class="charliteral">'0'</span>;
<a name="l00394"></a>00394 }
<a name="l00395"></a>00395 <span class="keywordflow">if</span> (i > 365) <span class="keywordflow">return</span> 0;
<a name="l00396"></a>00396 tm->tm_yday = i;
<a name="l00397"></a>00397 <span class="keywordflow">break</span>;
<a name="l00398"></a>00398
<a name="l00399"></a>00399 <span class="keywordflow">case</span> <span class="charliteral">'M'</span>:
<a name="l00400"></a>00400 <span class="keywordflow">case</span> <span class="charliteral">'S'</span>:
<a name="l00401"></a>00401 <span class="keywordflow">if</span> (*buf == 0 || isspace(*buf)) <span class="keywordflow">break</span>;
<a name="l00402"></a>00402 <span class="keywordflow">if</span> (!isdigit(*buf)) <span class="keywordflow">return</span> 0;
<a name="l00403"></a>00403 <span class="keywordflow">for</span> (i = 0; *buf != 0 && isdigit(*buf); ++buf)
<a name="l00404"></a>00404 {
<a name="l00405"></a>00405 i *= 10;
<a name="l00406"></a>00406 i += *buf - <span class="charliteral">'0'</span>;
<a name="l00407"></a>00407 }
<a name="l00408"></a>00408 <span class="keywordflow">if</span> (i > 59) <span class="keywordflow">return</span> 0;
<a name="l00409"></a>00409 <span class="keywordflow">if</span> (c == <span class="charliteral">'M'</span>)
<a name="l00410"></a>00410 tm->tm_min = i;
<a name="l00411"></a>00411 <span class="keywordflow">else</span>
<a name="l00412"></a>00412 tm->tm_sec = i;
<a name="l00413"></a>00413 <span class="keywordflow">if</span> (*buf != 0 && isspace(*buf))
<a name="l00414"></a>00414 <span class="keywordflow">while</span> (*ptr != 0 && !isspace(*ptr)) ++ptr;
<a name="l00415"></a>00415 <span class="keywordflow">break</span>;
<a name="l00416"></a>00416
<a name="l00417"></a>00417 <span class="keywordflow">case</span> <span class="charliteral">'H'</span>:
<a name="l00418"></a>00418 <span class="keywordflow">case</span> <span class="charliteral">'I'</span>:
<a name="l00419"></a>00419 <span class="keywordflow">case</span> <span class="charliteral">'k'</span>:
<a name="l00420"></a>00420 <span class="keywordflow">case</span> <span class="charliteral">'l'</span>:
<a name="l00421"></a>00421 <span class="keywordflow">if</span> (!isdigit(*buf)) <span class="keywordflow">return</span> 0;
<a name="l00422"></a>00422 <span class="keywordflow">for</span> (i = 0; *buf != 0 && isdigit(*buf); ++buf)
<a name="l00423"></a>00423 {
<a name="l00424"></a>00424 i *= 10;
<a name="l00425"></a>00425 i += *buf - <span class="charliteral">'0'</span>;
<a name="l00426"></a>00426 }
<a name="l00427"></a>00427 <span class="keywordflow">if</span> (c == <span class="charliteral">'H'</span> || c == <span class="charliteral">'k'</span>)
<a name="l00428"></a>00428 {<span class="keywordflow">if</span> (i > 23) <span class="keywordflow">return</span> 0;}
<a name="l00429"></a>00429 <span class="keywordflow">else</span> <span class="keywordflow">if</span> (i > 11) <span class="keywordflow">return</span> 0;
<a name="l00430"></a>00430 tm->tm_hour = i;
<a name="l00431"></a>00431 <span class="keywordflow">if</span> (*buf != 0 && isspace(*buf))
<a name="l00432"></a>00432 <span class="keywordflow">while</span> (*ptr != 0 && !isspace(*ptr)) ++ptr;
<a name="l00433"></a>00433 <span class="keywordflow">break</span>;
<a name="l00434"></a>00434
<a name="l00435"></a>00435 <span class="keywordflow">case</span> <span class="charliteral">'p'</span>:
<a name="l00436"></a>00436 <span class="keywordflow">if</span> (strncasecmp(buf, En_US.am_string, En_US.len_am_string) == 0)
<a name="l00437"></a>00437 {
<a name="l00438"></a>00438 <span class="keywordflow">if</span> (tm->tm_hour > 12) <span class="keywordflow">return</span> 0;
<a name="l00439"></a>00439 <span class="keywordflow">if</span> (tm->tm_hour == 12) tm->tm_hour = 0;
<a name="l00440"></a>00440 buf += len;
<a name="l00441"></a>00441 <span class="keywordflow">break</span>;
<a name="l00442"></a>00442 }
<a name="l00443"></a>00443 <span class="keywordflow">if</span> (strncasecmp(buf, En_US.pm_string, En_US.len_pm_string) == 0)
<a name="l00444"></a>00444 {
<a name="l00445"></a>00445 <span class="keywordflow">if</span> (tm->tm_hour > 12) <span class="keywordflow">return</span> 0;
<a name="l00446"></a>00446 <span class="keywordflow">if</span> (tm->tm_hour != 12) tm->tm_hour += 12;
<a name="l00447"></a>00447 buf += len;
<a name="l00448"></a>00448 <span class="keywordflow">break</span>;
<a name="l00449"></a>00449 }
<a name="l00450"></a>00450 <span class="keywordflow">return</span> 0;
<a name="l00451"></a>00451
<a name="l00452"></a>00452 <span class="keywordflow">case</span> <span class="charliteral">'A'</span>:
<a name="l00453"></a>00453 <span class="keywordflow">case</span> <span class="charliteral">'a'</span>:
<a name="l00454"></a>00454 <span class="keywordflow">for</span> (i = 0; i < En_US.numWeekdays; ++i)
<a name="l00455"></a>00455 {
<a name="l00456"></a>00456 <span class="keywordflow">if</span> (strncasecmp(buf, En_US.weekday_names[i],
<a name="l00457"></a>00457 En_US.len_weekday_names[i]) == 0) <span class="keywordflow">break</span>;
<a name="l00458"></a>00458 <span class="keywordflow">if</span> (strncasecmp(buf, En_US.abbrev_weekday_names[i],
<a name="l00459"></a>00459 En_US.len_abbrev_weekday_names[i]) == 0) <span class="keywordflow">break</span>;
<a name="l00460"></a>00460 }
<a name="l00461"></a>00461 <span class="keywordflow">if</span> (i == En_US.numWeekdays) <span class="keywordflow">return</span> 0;
<a name="l00462"></a>00462 tm->tm_wday = i;
<a name="l00463"></a>00463 buf += len;
<a name="l00464"></a>00464 <span class="keywordflow">break</span>;
<a name="l00465"></a>00465
<a name="l00466"></a>00466 <span class="keywordflow">case</span> <span class="charliteral">'d'</span>:
<a name="l00467"></a>00467 <span class="keywordflow">case</span> <span class="charliteral">'e'</span>:
<a name="l00468"></a>00468 <span class="keywordflow">if</span> (!isdigit(*buf)) <span class="keywordflow">return</span> 0;
<a name="l00469"></a>00469 <span class="keywordflow">for</span> (i = 0; *buf != 0 && isdigit(*buf); ++buf)
<a name="l00470"></a>00470 {
<a name="l00471"></a>00471 i *= 10;
<a name="l00472"></a>00472 i += *buf - <span class="charliteral">'0'</span>;
<a name="l00473"></a>00473 }
<a name="l00474"></a>00474 <span class="keywordflow">if</span> (i > 31) <span class="keywordflow">return</span> 0;
<a name="l00475"></a>00475 tm->tm_mday = i;
<a name="l00476"></a>00476 <span class="keywordflow">if</span> (*buf != 0 && isspace(*buf))
<a name="l00477"></a>00477 <span class="keywordflow">while</span> (*ptr != 0 && !isspace(*ptr)) ++ptr;
<a name="l00478"></a>00478 <span class="keywordflow">break</span>;
<a name="l00479"></a>00479
<a name="l00480"></a>00480 <span class="keywordflow">case</span> <span class="charliteral">'B'</span>:
<a name="l00481"></a>00481 <span class="keywordflow">case</span> <span class="charliteral">'b'</span>:
<a name="l00482"></a>00482 <span class="keywordflow">case</span> <span class="charliteral">'h'</span>:
<a name="l00483"></a>00483 <span class="keywordflow">for</span> (i = 0; i < En_US.numMonths; ++i)
<a name="l00484"></a>00484 {
<a name="l00485"></a>00485 <span class="keywordflow">if</span> (strncasecmp(buf, En_US.month_names[i],
<a name="l00486"></a>00486 En_US.len_month_names[i]) == 0) <span class="keywordflow">break</span>;
<a name="l00487"></a>00487 <span class="keywordflow">if</span> (strncasecmp(buf, En_US.abbrev_month_names[i],
<a name="l00488"></a>00488 En_US.len_abbrev_month_names[i]) == 0) <span class="keywordflow">break</span>;
<a name="l00489"></a>00489 }
<a name="l00490"></a>00490 <span class="keywordflow">if</span> (i == En_US.numMonths) <span class="keywordflow">return</span> 0;
<a name="l00491"></a>00491 tm->tm_mon = i;
<a name="l00492"></a>00492 buf += len;
<a name="l00493"></a>00493 <span class="keywordflow">break</span>;
<a name="l00494"></a>00494
<a name="l00495"></a>00495 <span class="keywordflow">case</span> <span class="charliteral">'m'</span>:
<a name="l00496"></a>00496 <span class="keywordflow">if</span> (!isdigit(*buf)) <span class="keywordflow">return</span> 0;
<a name="l00497"></a>00497 <span class="keywordflow">for</span> (i = 0; *buf != 0 && isdigit(*buf); ++buf)
<a name="l00498"></a>00498 {
<a name="l00499"></a>00499 i *= 10;
<a name="l00500"></a>00500 i += *buf - <span class="charliteral">'0'</span>;
<a name="l00501"></a>00501 }
<a name="l00502"></a>00502 <span class="keywordflow">if</span> (i < 1 || i > 12) <span class="keywordflow">return</span> 0;
<a name="l00503"></a>00503 tm->tm_mon = i - 1;
<a name="l00504"></a>00504 <span class="keywordflow">if</span> (*buf != 0 && isspace(*buf))
<a name="l00505"></a>00505 <span class="keywordflow">while</span> (*ptr != 0 && !isspace(*ptr)) ++ptr;
<a name="l00506"></a>00506 <span class="keywordflow">break</span>;
<a name="l00507"></a>00507
<a name="l00508"></a>00508 <span class="keywordflow">case</span> <span class="charliteral">'Y'</span>:
<a name="l00509"></a>00509 <span class="keywordflow">case</span> <span class="charliteral">'y'</span>:
<a name="l00510"></a>00510 <span class="keywordflow">if</span> (*buf == 0 || isspace(*buf)) <span class="keywordflow">break</span>;
<a name="l00511"></a>00511 <span class="keywordflow">if</span> (!isdigit(*buf)) <span class="keywordflow">return</span> 0;
<a name="l00512"></a>00512 <span class="keywordflow">for</span> (i = 0; *buf != 0 && isdigit(*buf); ++buf)
<a name="l00513"></a>00513 {
<a name="l00514"></a>00514 i *= 10;
<a name="l00515"></a>00515 i += *buf - <span class="charliteral">'0'</span>;
<a name="l00516"></a>00516 }
<a name="l00517"></a>00517 <span class="keywordflow">if</span> (c == <span class="charliteral">'Y'</span>) i -= 1900;
<a name="l00518"></a>00518 <span class="keywordflow">if</span> (i < 0) <span class="keywordflow">return</span> 0;
<a name="l00519"></a>00519 tm->tm_year = i;
<a name="l00520"></a>00520 <span class="keywordflow">if</span> (*buf != 0 && isspace(*buf))
<a name="l00521"></a>00521 <span class="keywordflow">while</span> (*ptr != 0 && !isspace(*ptr)) ++ptr;
<a name="l00522"></a>00522 <span class="keywordflow">break</span>;
<a name="l00523"></a>00523 }
<a name="l00524"></a>00524 }
<a name="l00525"></a>00525
<a name="l00526"></a>00526 <span class="keywordflow">return</span> <span class="keyword">const_cast<</span><span class="keywordtype">char</span>*<span class="keyword">></span>(buf);
<a name="l00527"></a>00527 }
<a name="l00528"></a>00528
<a name="l00529"></a>00529 <span class="preprocessor">#endif</span>
<a name="l00530"></a>00530 <span class="preprocessor"></span>
<a name="l00531"></a>00531 } <span class="comment">// end namespace</span>
<a name="l00532"></a>00532 } <span class="comment">// end namespace</span>
<a name="l00533"></a>00533
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