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<h1>Date Class Reference</h1> </div>
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<!-- doxytag: class="Date" -->
<p>The <a class="el" href="a00039.html" title="The Date class uses a julian date representation of the current year, month, and day.">Date</a> class uses a julian date representation of the current year, month, and day.
<a href="#_details">More...</a></p>
<p><code>#include <<a class="el" href="a00182_source.html">datetime.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for Date:</div>
<div class="dyncontent">
<div class="center"><img src="a00301.png" border="0" usemap="#_date_inherit__map" alt="Inheritance graph"/></div>
<map name="_date_inherit__map" id="_date_inherit__map">
<area shape="rect" id="node3" href="a00040.html" title="A number class that manipulates a string buffer that is also a date." alt="" coords="5,80,128,107"/><area shape="rect" id="node5" href="a00041.html" title="The Datetime class uses a julian date representation of the current year, month, and day and a intege..." alt="" coords="152,80,253,107"/><area shape="rect" id="node7" href="a00042.html" title="A DateTime string class." alt="" coords="121,155,284,181"/></map>
<center><span class="legend">[<a target="top" href="graph_legend.html">legend</a>]</span></center></div>
<table class="memberdecls">
<tr><td colspan="2"><h2><a name="pub-types"></a>
Public Types</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#af7cb1158291e6485a430417cc3a2eebd">index_t</a> { <b>year</b> = 10,
<b>month</b>,
<b>day</b>,
<b>dow</b>
}</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight"><p>index elements. </p>
<br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a636d884579c760411122d0ba7aa9d706">Date</a> (time_t value)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a julian date from a time_t type. <a href="#a636d884579c760411122d0ba7aa9d706"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ae5ebdadcbfb6b7c2bcd551f23aff5acb">Date</a> (struct tm *object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a julian date from a local or gmt date and time. <a href="#ae5ebdadcbfb6b7c2bcd551f23aff5acb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a34e212d4fdb7b94a577886aecc7c62fb">Date</a> (int year, unsigned month=1, unsigned day=1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a julian date from an arbitrary year, month, and day. <a href="#a34e212d4fdb7b94a577886aecc7c62fb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a39b7edfefc7bf243e45c533a9763aee9">Date</a> (const <a class="el" href="a00039.html">Date</a> &object)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a julian date object from another object. <a href="#a39b7edfefc7bf243e45c533a9763aee9"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#af564724344cae29b0b369c0c9befc4a2">Date</a> (const char *<a class="el" href="a00108.html">pointer</a>, size_t size=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Create a julian date from a ISO date string of a specified size. <a href="#af564724344cae29b0b369c0c9befc4a2"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4e59ed4ba66eec61c27460c5d09fa1bd"></a><!-- doxytag: member="Date::Date" ref="a4e59ed4ba66eec61c27460c5d09fa1bd" args="()" -->
 </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a4e59ed4ba66eec61c27460c5d09fa1bd">Date</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a new julian date with today's date. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">char * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ab33d70b9c765604754a8c115997654e6">get</a> (char *buffer) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a ISO string representation of the date (yyyy-mm-dd). <a href="#ab33d70b9c765604754a8c115997654e6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a98abcfcae3d331e385eca2e311311cc3">get</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the date as a number for the object or 0 if invalid. <a href="#a98abcfcae3d331e385eca2e311311cc3"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#aae98c54f0708e666e309a30e894b4b24">getDay</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the day of the month of the date. <a href="#aae98c54f0708e666e309a30e894b4b24"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ad3db761ad00dcd7d28b7882bd4dcc3fc">getDayOfWeek</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the day of the week (0-7). <a href="#ad3db761ad00dcd7d28b7882bd4dcc3fc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a2d0934a049868b24afb68f9d91462185">getJulian</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the julian number of a date. <a href="#a2d0934a049868b24afb68f9d91462185"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">unsigned </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#aa9e64b2db7e85c37993a76ed1712b1fc">getMonth</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the month of the date (1-12). <a href="#aa9e64b2db7e85c37993a76ed1712b1fc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">time_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a1c54b915f4bbd0e6b1b2170820cb39c4">getTime</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get a time_t for the julian date if in time_t epoch. <a href="#a1c54b915f4bbd0e6b1b2170820cb39c4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a080a510039f6e5c6b935bf3286182445">getYear</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the year of the date. <a href="#a080a510039f6e5c6b935bf3286182445"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a3faaf2be7d462b9b0a2cc91c5dcc2445">isValid</a> (void) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if date is valid. <a href="#a3faaf2be7d462b9b0a2cc91c5dcc2445"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a61390feec4a7375f70de5c7487a77a9d">operator bool</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if julian date is valid for <a class="el" href="a00185.html#a8e91e3bc27122a2ea5315c17a40dc374" title="Convenience function to validate object assuming it is castable to bool.">is()</a> expression. <a href="#a61390feec4a7375f70de5c7487a77a9d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#afcbf5c2c328c229e1edea7bc6f53af6c">operator long</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Casting operator to return date as number. <a href="#afcbf5c2c328c229e1edea7bc6f53af6c"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#aacb32aaac9a1c392390f2aaef1f0da47">operator!</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Check if julian date is not valid. <a href="#aacb32aaac9a1c392390f2aaef1f0da47"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a635cfeb1d60c867d051c24d81db858f6">operator!=</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare julian dates if not same date. <a href="#a635cfeb1d60c867d051c24d81db858f6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00150.html">String</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a3733ebd12722d43efc3fd1c0ab2baceb">operator()</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Expression operator to return an ISO date string for the current julian date. <a href="#a3733ebd12722d43efc3fd1c0ab2baceb"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a1f9cf35de75bc85751e431543b851039">operator*</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Access julian value. <a href="#a1f9cf35de75bc85751e431543b851039"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ae0a4b1e41fee1a34bbab8a36ac562af5">operator+</a> (long days)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Add days to julian date in an expression. <a href="#ae0a4b1e41fee1a34bbab8a36ac562af5"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a4a8dd65e13e24ed79972c4ed0596f926">operator++</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Increment date by one day. <a href="#a4a8dd65e13e24ed79972c4ed0596f926"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a94c247ae9275ab63471063ba462dd907">operator+=</a> (long offset)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Increment date by offset. <a href="#a94c247ae9275ab63471063ba462dd907"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">long </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a75095e3aefc4c8afe76faf55e8718a6a">operator-</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Operator to compute number of days between two dates. <a href="#a75095e3aefc4c8afe76faf55e8718a6a"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ab7dcb230f703c0ff6d0846f7158476c6">operator-</a> (long days)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Subtract days from a julian date in an expression. <a href="#ab7dcb230f703c0ff6d0846f7158476c6"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#acaada92d193eb7362121bb764b6ac932">operator--</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Decrement date by one day. <a href="#acaada92d193eb7362121bb764b6ac932"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a6fefd212d866d19e1c26b567440a1106">operator-=</a> (long offset)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Decrement date by offset. <a href="#a6fefd212d866d19e1c26b567440a1106"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ae46a679579ec061c2d37eb1aa80b29e4">operator<</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare julian date if earlier than another date. <a href="#ae46a679579ec061c2d37eb1aa80b29e4"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ab0656086910c8debe2a1fb5d2ae197ba">operator<=</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare julian date if earlier than or equal to another date. <a href="#ab0656086910c8debe2a1fb5d2ae197ba"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00039.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a783e3391a4d9bd45729b0697e9de2ccc">operator=</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Assign date from another date object. <a href="#a783e3391a4d9bd45729b0697e9de2ccc"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a4b933e8c9e1a5853918ad88eb2fc2dae">operator==</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare julian dates if same date. <a href="#a4b933e8c9e1a5853918ad88eb2fc2dae"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a556af85013c9c8a573e023768f786c97">operator></a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare julian date if later than another date. <a href="#a556af85013c9c8a573e023768f786c97"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a4a291faa73653c0a14981db2dee21678">operator>=</a> (const <a class="el" href="a00039.html">Date</a> &date)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare julian date if later than or equal to another date. <a href="#a4a291faa73653c0a14981db2dee21678"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ae68fb95ea90c81ae24b9b14c10f2269d">operator[]</a> (<a class="el" href="a00039.html#af7cb1158291e6485a430417cc3a2eebd">index_t</a> component) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Access numeric components. <a href="#ae68fb95ea90c81ae24b9b14c10f2269d"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a78aeead8f95c66e7390741d37682231a"></a><!-- doxytag: member="Date::set" ref="a78aeead8f95c66e7390741d37682231a" args="(void)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a78aeead8f95c66e7390741d37682231a">set</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set (update) the date with current date. <br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a3c9351f796dca191d5e249d949758236">set</a> (const char *<a class="el" href="a00108.html">pointer</a>, size_t size=0)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the julian date based on an ISO date string of specified size. <a href="#a3c9351f796dca191d5e249d949758236"></a><br/></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae938ede78d737d03273dd7ea6de0f454"></a><!-- doxytag: member="Date::~Date" ref="ae938ede78d737d03273dd7ea6de0f454" args="()" -->
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ae938ede78d737d03273dd7ea6de0f454">~Date</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Destroy julian date object. <br/></td></tr>
<tr><td colspan="2"><h2><a name="pub-static-attribs"></a>
Static Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1fa5dec22a9ed0a6e208d57b735cf68c"></a><!-- doxytag: member="Date::sz_string" ref="a1fa5dec22a9ed0a6e208d57b735cf68c" args="" -->
static const size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#a1fa5dec22a9ed0a6e208d57b735cf68c">sz_string</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Size of date string field. <br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-methods"></a>
Protected Member Functions</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4b439234253d2c1a2a3e3951c6aef63b"></a><!-- doxytag: member="Date::fromJulian" ref="a4b439234253d2c1a2a3e3951c6aef63b" args="(char *buf) const " -->
void </td><td class="memItemRight" valign="bottom"><b>fromJulian</b> (char *buf) const </td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aba6c3cc210935b2879b580c237127611"></a><!-- doxytag: member="Date::toJulian" ref="aba6c3cc210935b2879b580c237127611" args="(long year, long month, long day)" -->
void </td><td class="memItemRight" valign="bottom"><b>toJulian</b> (long year, long month, long day)</td></tr>
<tr><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00039.html#ad59a722567e41e7a985c4c0a0a9233c2">update</a> (void)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">A method to use to "post" any changed values when shadowing a mixed object class. <a href="#ad59a722567e41e7a985c4c0a0a9233c2"></a><br/></td></tr>
<tr><td colspan="2"><h2><a name="pro-attribs"></a>
Protected Attributes</h2></td></tr>
<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9e4e9d40f71d5c3d6f8d82254301d494"></a><!-- doxytag: member="Date::julian" ref="a9e4e9d40f71d5c3d6f8d82254301d494" args="" -->
long </td><td class="memItemRight" valign="bottom"><b>julian</b></td></tr>
</table>
<hr/><a name="_details"></a><h2>Detailed Description</h2>
<div class="textblock"><p>The <a class="el" href="a00039.html" title="The Date class uses a julian date representation of the current year, month, and day.">Date</a> class uses a julian date representation of the current year, month, and day. </p>
<p>This is then manipulated in several forms and may be exported as needed.</p>
<dl class="author"><dt><b>Author:</b></dt><dd>David Sugar <<a href="mailto:dyfet@ostel.com">dyfet@ostel.com</a>> julian number based date class. </dd></dl>
<dl><dt><b>Examples: </b></dt><dd>
<p><a class="el" href="a00001.html#_a0">datetime.cpp</a>.</p>
</dd>
</dl>
<p>Definition at line <a class="el" href="a00182_source.html#l00073">73</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
</div><hr/><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" id="a636d884579c760411122d0ba7aa9d706"></a><!-- doxytag: member="Date::Date" ref="a636d884579c760411122d0ba7aa9d706" args="(time_t value)" -->
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<td class="memname">Date::Date </td>
<td>(</td>
<td class="paramtype">time_t </td>
<td class="paramname"><em>value</em></td><td>)</td>
<td></td>
</tr>
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<p>Create a julian date from a time_t type. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">value</td><td>from time() </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="ae5ebdadcbfb6b7c2bcd551f23aff5acb"></a><!-- doxytag: member="Date::Date" ref="ae5ebdadcbfb6b7c2bcd551f23aff5acb" args="(struct tm *object)" -->
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<td class="memname">Date::Date </td>
<td>(</td>
<td class="paramtype">struct tm * </td>
<td class="paramname"><em>object</em></td><td>)</td>
<td></td>
</tr>
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<p>Create a julian date from a local or gmt date and time. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">object</td><td>from <a class="el" href="a00041.html#ab85ec3b4b2ae5c650cb3ab795a99f5ad" title="Fetch an instance of time converted to local time.">DateTime::glt()</a> or gmt(). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="af564724344cae29b0b369c0c9befc4a2"></a><!-- doxytag: member="Date::Date" ref="af564724344cae29b0b369c0c9befc4a2" args="(const char *pointer, size_t size=0)" -->
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<td class="memname">Date::Date </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>pointer</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">size_t </td>
<td class="paramname"><em>size</em> = <code>0</code> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Create a julian date from a ISO date string of a specified size. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pointer</td><td>to ISO date string. </td></tr>
<tr><td class="paramname">size</td><td>of date field if not null terminated. </td></tr>
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</dd>
</dl>
</div>
</div>
<a class="anchor" id="a34e212d4fdb7b94a577886aecc7c62fb"></a><!-- doxytag: member="Date::Date" ref="a34e212d4fdb7b94a577886aecc7c62fb" args="(int year, unsigned month=1, unsigned day=1)" -->
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<td>(</td>
<td class="paramtype">int </td>
<td class="paramname"><em>year</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>month</em> = <code>1</code>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">unsigned </td>
<td class="paramname"><em>day</em> = <code>1</code> </td>
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<td>)</td>
<td></td><td></td>
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<p>Create a julian date from an arbitrary year, month, and day. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">year</td><td>of date. </td></tr>
<tr><td class="paramname">month</td><td>of date (1-12). </td></tr>
<tr><td class="paramname">day</td><td>of month (1-31). </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<a class="anchor" id="a39b7edfefc7bf243e45c533a9763aee9"></a><!-- doxytag: member="Date::Date" ref="a39b7edfefc7bf243e45c533a9763aee9" args="(const Date &object)" -->
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<td class="memname">Date::Date </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="a00039.html">Date</a> & </td>
<td class="paramname"><em>object</em></td><td>)</td>
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<p>Create a julian date object from another object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">object</td><td>to copy. </td></tr>
</table>
</dd>
</dl>
</div>
</div>
<hr/><h2>Member Function Documentation</h2>
<a class="anchor" id="ab33d70b9c765604754a8c115997654e6"></a><!-- doxytag: member="Date::get" ref="ab33d70b9c765604754a8c115997654e6" args="(char *buffer) const " -->
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<td class="memname">char* Date::get </td>
<td>(</td>
<td class="paramtype">char * </td>
<td class="paramname"><em>buffer</em></td><td>)</td>
<td> const</td>
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<p>Get a ISO string representation of the date (yyyy-mm-dd). </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">buffer</td><td>to store string. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>string representation. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#aec1971258d07bbffee838e5909a4ae69">DateTime</a>.</p>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="a00001.html#a3">datetime.cpp</a>.</dd>
</dl>
</div>
</div>
<a class="anchor" id="a98abcfcae3d331e385eca2e311311cc3"></a><!-- doxytag: member="Date::get" ref="a98abcfcae3d331e385eca2e311311cc3" args="(void) const " -->
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<td class="memname">long Date::get </td>
<td>(</td>
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<td class="paramname"></td><td>)</td>
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<p>Get the date as a number for the object or 0 if invalid. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>date as number. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a591703210f2ef0cb4c82ea1d64c99ec4">DateTime</a>.</p>
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</div>
<a class="anchor" id="aae98c54f0708e666e309a30e894b4b24"></a><!-- doxytag: member="Date::getDay" ref="aae98c54f0708e666e309a30e894b4b24" args="(void) const " -->
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<td class="memname">unsigned Date::getDay </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
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<p>Get the day of the month of the date. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>day of month </dd></dl>
</div>
</div>
<a class="anchor" id="ad3db761ad00dcd7d28b7882bd4dcc3fc"></a><!-- doxytag: member="Date::getDayOfWeek" ref="ad3db761ad00dcd7d28b7882bd4dcc3fc" args="(void) const " -->
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<td class="memname">unsigned Date::getDayOfWeek </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Get the day of the week (0-7). </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>day of week </dd></dl>
</div>
</div>
<a class="anchor" id="a2d0934a049868b24afb68f9d91462185"></a><!-- doxytag: member="Date::getJulian" ref="a2d0934a049868b24afb68f9d91462185" args="(void)" -->
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<td class="memname">long Date::getJulian </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td><code> [inline]</code></td>
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<p>Get the julian number of a date. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>julian number. </dd></dl>
<p>Definition at line <a class="el" href="a00182_source.html#l00169">169</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
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<a class="anchor" id="aa9e64b2db7e85c37993a76ed1712b1fc"></a><!-- doxytag: member="Date::getMonth" ref="aa9e64b2db7e85c37993a76ed1712b1fc" args="(void) const " -->
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<td class="memname">unsigned Date::getMonth </td>
<td>(</td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Get the month of the date (1-12). </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>month of year </dd></dl>
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</div>
<a class="anchor" id="a1c54b915f4bbd0e6b1b2170820cb39c4"></a><!-- doxytag: member="Date::getTime" ref="a1c54b915f4bbd0e6b1b2170820cb39c4" args="(void) const " -->
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<td class="memname">time_t Date::getTime </td>
<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
<td> const</td>
</tr>
</table>
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<p>Get a time_t for the julian date if in time_t epoch. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>time_t or -1 if out of range. </dd></dl>
<dl><dt><b>Examples: </b></dt><dd><a class="el" href="a00001.html#a4">datetime.cpp</a>.</dd>
</dl>
</div>
</div>
<a class="anchor" id="a080a510039f6e5c6b935bf3286182445"></a><!-- doxytag: member="Date::getYear" ref="a080a510039f6e5c6b935bf3286182445" args="(void) const " -->
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<td class="memname">int Date::getYear </td>
<td>(</td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Get the year of the date. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>year of the date </dd></dl>
</div>
</div>
<a class="anchor" id="a3faaf2be7d462b9b0a2cc91c5dcc2445"></a><!-- doxytag: member="Date::isValid" ref="a3faaf2be7d462b9b0a2cc91c5dcc2445" args="(void) const " -->
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<td class="memname">bool Date::isValid </td>
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<td> const</td>
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<p>Check if date is valid. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if julian date is valid. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#ad5cd3bd2434c12d5cbd3b1a6bfe0e660">DateTime</a>.</p>
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<a class="anchor" id="a61390feec4a7375f70de5c7487a77a9d"></a><!-- doxytag: member="Date::operator bool" ref="a61390feec4a7375f70de5c7487a77a9d" args="() const " -->
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<td class="memname">Date::operator bool </td>
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<td> const<code> [inline]</code></td>
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<p>Check if julian date is valid for <a class="el" href="a00185.html#a8e91e3bc27122a2ea5315c17a40dc374" title="Convenience function to validate object assuming it is castable to bool.">is()</a> expression. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if date is valid. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#afd3a60beecbc046ec4760f633d1fa1b0">DateTime</a>.</p>
<p>Definition at line <a class="el" href="a00182_source.html#l00345">345</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
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<a class="anchor" id="afcbf5c2c328c229e1edea7bc6f53af6c"></a><!-- doxytag: member="Date::operator long" ref="afcbf5c2c328c229e1edea7bc6f53af6c" args="() const " -->
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<td> const<code> [inline]</code></td>
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<p>Casting operator to return date as number. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>julian number. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a8465f0d0954c9d6a4107820d6803968c">DateTime</a>.</p>
<p>Definition at line <a class="el" href="a00182_source.html#l00213">213</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
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<td class="memname">bool Date::operator! </td>
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<p>Check if julian date is not valid. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if date is invalid. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#ad23988ebf15303a37ca8040f379c3058">DateTime</a>.</p>
<p>Definition at line <a class="el" href="a00182_source.html#l00338">338</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
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<td class="memname">bool Date::operator!= </td>
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<td class="paramtype">const <a class="el" href="a00039.html">Date</a> & </td>
<td class="paramname"><em>date</em></td><td>)</td>
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<p>Compare julian dates if not same date. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>to compare with. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if not same. </dd></dl>
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<td class="memname"><a class="el" href="a00150.html">String</a> Date::operator() </td>
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<td class="paramname"></td><td>)</td>
<td> const</td>
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<p>Expression operator to return an ISO date string for the current julian date. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>ISO date string. </dd></dl>
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<p>Access julian value. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>julian number of object. </dd></dl>
<p>Definition at line <a class="el" href="a00182_source.html#l00227">227</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
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<td class="memname"><a class="el" href="a00039.html">Date</a> Date::operator+ </td>
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<p>Add days to julian date in an expression. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">days</td><td>to add. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>new date object with modified days. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#ab007b3fc64063becfb55b19583b11e36">DateTime</a>.</p>
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<td class="memname"><a class="el" href="a00039.html">Date</a>& Date::operator++ </td>
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<p>Increment date by one day. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>instance of current date object. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a38c7ae7996e0966e67e13d79866ba409">DateTime</a>.</p>
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<td class="memname"><a class="el" href="a00039.html">Date</a>& Date::operator+= </td>
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<p>Increment date by offset. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">offset</td><td>to add to julian date. </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>instance of current date object. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a5ec4e7933e4b74b2f012da321bcf26ea">DateTime</a>.</p>
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<td class="memname"><a class="el" href="a00039.html">Date</a> Date::operator- </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>days</em></td><td>)</td>
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<p>Subtract days from a julian date in an expression. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">days</td><td>to subtract. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>new date object with modified days. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a53ce8858e80ab188afd25494fb78a278">DateTime</a>.</p>
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<td class="memname">long Date::operator- </td>
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<td class="paramtype">const <a class="el" href="a00039.html">Date</a> & </td>
<td class="paramname"><em>date</em></td><td>)</td>
<td><code> [inline]</code></td>
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<p>Operator to compute number of days between two dates. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>offset for computation. </td></tr>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>number of days difference. </dd></dl>
<p>Definition at line <a class="el" href="a00182_source.html#l00282">282</a> of file <a class="el" href="a00182_source.html">datetime.h</a>.</p>
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<td class="memname"><a class="el" href="a00039.html">Date</a>& Date::operator-- </td>
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<p>Decrement date by one day. </p>
<dl class="return"><dt><b>Returns:</b></dt><dd>instance of current date object. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#afc219149a3d959863c84e3a15530dc54">DateTime</a>.</p>
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<td class="memname"><a class="el" href="a00039.html">Date</a>& Date::operator-= </td>
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<td class="paramtype">long </td>
<td class="paramname"><em>offset</em></td><td>)</td>
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<p>Decrement date by offset. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">offset</td><td>to subtract from julian date. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>instance of current date object. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a0ed66a616a7bd0e79fe13cbb9c249f20">DateTime</a>.</p>
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<td class="memname">bool Date::operator< </td>
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<td class="paramtype">const <a class="el" href="a00039.html">Date</a> & </td>
<td class="paramname"><em>date</em></td><td>)</td>
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<p>Compare julian date if earlier than another date. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>to compare with. </td></tr>
</table>
</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if earlier. </dd></dl>
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<td class="memname">bool Date::operator<= </td>
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<td class="paramname"><em>date</em></td><td>)</td>
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<p>Compare julian date if earlier than or equal to another date. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>to compare with. </td></tr>
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</dd>
</dl>
<dl class="return"><dt><b>Returns:</b></dt><dd>true if earlier or same. </dd></dl>
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<td class="memname"><a class="el" href="a00039.html">Date</a>& Date::operator= </td>
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<td class="paramtype">const <a class="el" href="a00039.html">Date</a> & </td>
<td class="paramname"><em>date</em></td><td>)</td>
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<p>Assign date from another date object. </p>
<dl><dt><b>Parameters:</b></dt><dd>
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<tr><td class="paramname">date</td><td>object to assign from. </td></tr>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>current modified date object. </dd></dl>
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<td class="memname">bool Date::operator== </td>
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<p>Compare julian dates if same date. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>to compare with. </td></tr>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>true if same. </dd></dl>
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<p>Compare julian date if later than another date. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>to compare with. </td></tr>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>true if later. </dd></dl>
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<td class="memname">bool Date::operator>= </td>
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<td class="paramname"><em>date</em></td><td>)</td>
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<p>Compare julian date if later than or equal to another date. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">date</td><td>to compare with. </td></tr>
</table>
</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>true if later or same. </dd></dl>
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<td class="memname">int Date::operator[] </td>
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<td class="paramtype"><a class="el" href="a00039.html#af7cb1158291e6485a430417cc3a2eebd">index_t</a> </td>
<td class="paramname"><em>component</em></td><td>)</td>
<td> const</td>
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<p>Access numeric components. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">component</td><td>to access. </td></tr>
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</dd>
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<dl class="return"><dt><b>Returns:</b></dt><dd>value of component. </dd></dl>
<p>Reimplemented in <a class="el" href="a00041.html#a79445a5dda5d183df141de204ff58552">DateTime</a>.</p>
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<a class="anchor" id="a3c9351f796dca191d5e249d949758236"></a><!-- doxytag: member="Date::set" ref="a3c9351f796dca191d5e249d949758236" args="(const char *pointer, size_t size=0)" -->
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<td class="memname">void Date::set </td>
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<td class="paramtype">size_t </td>
<td class="paramname"><em>size</em> = <code>0</code> </td>
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<td>)</td>
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<p>Set the julian date based on an ISO date string of specified size. </p>
<dl><dt><b>Parameters:</b></dt><dd>
<table class="params">
<tr><td class="paramname">pointer</td><td>to date string field. </td></tr>
<tr><td class="paramname">size</td><td>of field if not null terminated. </td></tr>
</table>
</dd>
</dl>
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<td class="memname">virtual void Date::update </td>
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<td><code> [protected, virtual]</code></td>
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<p>A method to use to "post" any changed values when shadowing a mixed object class. </p>
<p>This is used by <a class="el" href="a00040.html" title="A number class that manipulates a string buffer that is also a date.">DateNumber</a> and string classes. </p>
<p>Reimplemented in <a class="el" href="a00041.html#aac4abdfd8cba6743ff951e882b0ae67c">DateTime</a>, <a class="el" href="a00042.html#a03860a3c2841083d8193341ee1690e02">DateTimeString</a>, and <a class="el" href="a00040.html#ab15fdcf8581efa587d02e7a726acebd7">DateNumber</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>ucommon/<a class="el" href="a00182_source.html">datetime.h</a></li>
</ul>
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