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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Exiv2: Exiv2::DateValue Class Reference</title>
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<a class="el" href="namespaceExiv2.html">Exiv2</a>::<a class="el" href="classExiv2_1_1DateValue.html">DateValue</a></div>
<h1>Exiv2::DateValue Class Reference</h1><!-- doxytag: class="Exiv2::DateValue" --><!-- doxytag: inherits="Exiv2::Value" -->Value for simple ISO 8601 dates
<a href="#_details">More...</a>
<p>
<code>#include <value.hpp></code>
<p>
Inheritance diagram for Exiv2::DateValue:<p><center><img src="classExiv2_1_1DateValue__inherit__graph.png" border="0" usemap="#Exiv2_1_1DateValue__inherit__map" alt="Inheritance graph"></center>
<map name="Exiv2_1_1DateValue__inherit__map">
<area href="classExiv2_1_1Value.html" shape="rect" coords="19,7,115,31" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center>Collaboration diagram for Exiv2::DateValue:<p><center><img src="classExiv2_1_1DateValue__coll__graph.png" border="0" usemap="#Exiv2_1_1DateValue__coll__map" alt="Collaboration graph"></center>
<map name="Exiv2_1_1DateValue__coll__map">
<area href="classExiv2_1_1Value.html" shape="rect" coords="6,7,102,31" alt="">
<area href="structExiv2_1_1DateValue_1_1Date.html" shape="rect" coords="126,7,286,31" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classExiv2_1_1DateValue-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="eb4c3309897e696326e9cb55a8f6cb68"></a><!-- doxytag: member="Exiv2::DateValue::AutoPtr" ref="eb4c3309897e696326e9cb55a8f6cb68" args="" -->
typedef std::auto_ptr< <a class="el" href="classExiv2_1_1DateValue.html">DateValue</a> > </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#eb4c3309897e696326e9cb55a8f6cb68">AutoPtr</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Shortcut for a DateValue auto pointer. <br></td></tr>
<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
<tr><td colspan="2"><div class="groupHeader">Creators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c64871fa22e0b3af3819838d65dcc7a5"></a><!-- doxytag: member="Exiv2::DateValue::DateValue" ref="c64871fa22e0b3af3819838d65dcc7a5" args="()" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#c64871fa22e0b3af3819838d65dcc7a5">DateValue</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f337f8a13ff9656ff610398091d271cd"></a><!-- doxytag: member="Exiv2::DateValue::DateValue" ref="f337f8a13ff9656ff610398091d271cd" args="(int year, int month, int day)" -->
</td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#f337f8a13ff9656ff610398091d271cd">DateValue</a> (int year, int month, int day)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Constructor. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c33c577a2e833f9d8726fcaa21b5dac2"></a><!-- doxytag: member="Exiv2::DateValue::~DateValue" ref="c33c577a2e833f9d8726fcaa21b5dac2" args="()" -->
virtual </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#c33c577a2e833f9d8726fcaa21b5dac2">~DateValue</a> ()</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Virtual destructor. <br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Manipulators</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="141a0258be171bc8c2e6745c2bbdd2ea"></a><!-- doxytag: member="Exiv2::DateValue::operator=" ref="141a0258be171bc8c2e6745c2bbdd2ea" args="(const DateValue &rhs)" -->
<a class="el" href="classExiv2_1_1DateValue.html">DateValue</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#141a0258be171bc8c2e6745c2bbdd2ea">operator=</a> (const <a class="el" href="classExiv2_1_1DateValue.html">DateValue</a> &rhs)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Assignment operator. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#cb8fa5f6fcd5383b5fddce094a251961">read</a> (const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *buf, long len, <a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> byteOrder=invalidByteOrder)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Read the value from a character buffer. <a href="#cb8fa5f6fcd5383b5fddce094a251961"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#6eba2be86bf4744bc947b0909aa0c6f2">read</a> (const std::string &buf)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the value to that of the string buf. <a href="#6eba2be86bf4744bc947b0909aa0c6f2"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dfb7f12fa25958b6d7ff3ca5912616ab"></a><!-- doxytag: member="Exiv2::DateValue::setDate" ref="dfb7f12fa25958b6d7ff3ca5912616ab" args="(const Date &src)" -->
void </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#dfb7f12fa25958b6d7ff3ca5912616ab">setDate</a> (const <a class="el" href="structExiv2_1_1DateValue_1_1Date.html">Date</a> &src)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the date. <br></td></tr>
<tr><td colspan="2"><div class="groupHeader">Accessors</div></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="85dd67fbbdded614b3c1d6383bec3e1e"></a><!-- doxytag: member="Exiv2::DateValue::clone" ref="85dd67fbbdded614b3c1d6383bec3e1e" args="() const " -->
<a class="el" href="classExiv2_1_1DateValue.html#eb4c3309897e696326e9cb55a8f6cb68">AutoPtr</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#85dd67fbbdded614b3c1d6383bec3e1e">clone</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return an auto-pointer to a copy of itself (deep copy). The caller owns this copy and the auto-pointer ensures that it will be deleted. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#b058c2ba2c53659564a8adfa3a751cd1">copy</a> (<a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> *buf, <a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> byteOrder=invalidByteOrder) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write value to a character data buffer. <a href="#b058c2ba2c53659564a8adfa3a751cd1"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c35c777f6b3291353252a3af0e032a89"></a><!-- doxytag: member="Exiv2::DateValue::getDate" ref="c35c777f6b3291353252a3af0e032a89" args="() const " -->
virtual const <a class="el" href="structExiv2_1_1DateValue_1_1Date.html">Date</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#c35c777f6b3291353252a3af0e032a89">getDate</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return date struct containing date information. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="2283680f859bd8531436d7bd3fb268c4"></a><!-- doxytag: member="Exiv2::DateValue::count" ref="2283680f859bd8531436d7bd3fb268c4" args="() const " -->
virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#2283680f859bd8531436d7bd3fb268c4">count</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the number of components of the value. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fb2c24dffd2d7ad0d9079854eeb063c2"></a><!-- doxytag: member="Exiv2::DateValue::size" ref="fb2c24dffd2d7ad0d9079854eeb063c2" args="() const " -->
virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#fb2c24dffd2d7ad0d9079854eeb063c2">size</a> () const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the size of the value in bytes. <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="15e73dd1a8a9016ccfd18c75086ec108"></a><!-- doxytag: member="Exiv2::DateValue::write" ref="15e73dd1a8a9016ccfd18c75086ec108" args="(std::ostream &os) const " -->
virtual std::ostream & </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#15e73dd1a8a9016ccfd18c75086ec108">write</a> (std::ostream &os) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Write the value to an output stream. . <br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual long </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#80ca3538d96fa26f9f196e9db9ff0c43">toLong</a> (long n=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert the n-th component of the value to a long. The behaviour of this method may be undefined if there is no n-th component. <a href="#80ca3538d96fa26f9f196e9db9ff0c43"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual float </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#e569670f2a52546812ca750cc7b1bb69">toFloat</a> (long n=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert the n-th component of the value to a float. The behaviour of this method may be undefined if there is no n-th component. <a href="#e569670f2a52546812ca750cc7b1bb69"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="el" href="namespaceExiv2.html#95756f3f7fa19103f83addf5fa088a30">Rational</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classExiv2_1_1DateValue.html#9a4641ab53245fcd36531bcd92e80e32">toRational</a> (long n=0) const </td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Convert the n-th component of the value to a Rational. The behaviour of this method may be undefined if there is no n-th component. <a href="#9a4641ab53245fcd36531bcd92e80e32"></a><br></td></tr>
<tr><td colspan="2"><br><h2>Classes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="structExiv2_1_1DateValue_1_1Date.html">Date</a></td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Simple <a class="el" href="structExiv2_1_1DateValue_1_1Date.html">Date</a> helper structure. <a href="structExiv2_1_1DateValue_1_1Date.html#_details">More...</a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Value for simple ISO 8601 dates
<p>
This class is limited to parsing simple date strings in the ISO 8601 format CCYYMMDD (century, year, month, day).
<p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="b058c2ba2c53659564a8adfa3a751cd1"></a><!-- doxytag: member="Exiv2::DateValue::copy" ref="b058c2ba2c53659564a8adfa3a751cd1" args="(byte *buf, ByteOrder byteOrder=invalidByteOrder) const " --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
<tr>
<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">long Exiv2::DateValue::copy </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top"><a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="mdname" nowrap> <em>buf</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td>
<td class="mdname" nowrap> <em>byteOrder</em> = <code>invalidByteOrder</code></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"> const<code> [virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Write value to a character data buffer.
<p>
The user must ensure that the buffer has enough memory. Otherwise the call results in undefined behaviour.<p>
<dl compact><dt><b>Note:</b></dt><dd>The byte order is required by the interface but not used by this method, so just use the default.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>Data buffer to write to. </td></tr>
<tr><td valign="top"></td><td valign="top"><em>byteOrder</em> </td><td>Byte order. Not used. </td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>Number of characters written. </dd></dl>
<p>
Implements <a class="el" href="classExiv2_1_1Value.html#3bf4f9c2eda4f7850a390de98668ce15">Exiv2::Value</a>. </td>
</tr>
</table>
<a class="anchor" name="6eba2be86bf4744bc947b0909aa0c6f2"></a><!-- doxytag: member="Exiv2::DateValue::read" ref="6eba2be86bf4744bc947b0909aa0c6f2" args="(const std::string &buf)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="mdRow">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" nowrap valign="top">int Exiv2::DateValue::read </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const std::string & </td>
<td class="mdname1" valign="top" nowrap> <em>buf</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [virtual]</code></td>
</tr>
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</td>
</tr>
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<table cellspacing="5" cellpadding="0" border="0">
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<td>
</td>
<td>
<p>
Set the value to that of the string buf.
<p>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>String containing the date</td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>0 if successful<br>
1 in case of an unsupported date format </dd></dl>
<p>
Implements <a class="el" href="classExiv2_1_1Value.html#2864378d7572310aa5f4cf4127365862">Exiv2::Value</a>. </td>
</tr>
</table>
<a class="anchor" name="cb8fa5f6fcd5383b5fddce094a251961"></a><!-- doxytag: member="Exiv2::DateValue::read" ref="cb8fa5f6fcd5383b5fddce094a251961" args="(const byte *buf, long len, ByteOrder byteOrder=invalidByteOrder)" --><p>
<table class="mdTable" cellpadding="2" cellspacing="0">
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<td class="mdRow">
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<td class="md" nowrap valign="top">int Exiv2::DateValue::read </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="namespaceExiv2.html#16f60a5bd4207fe155f6cf93a15efa72">byte</a> * </td>
<td class="mdname" nowrap> <em>buf</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap>long </td>
<td class="mdname" nowrap> <em>len</em>, </td>
</tr>
<tr>
<td class="md" nowrap align="right"></td>
<td class="md"></td>
<td class="md" nowrap><a class="el" href="namespaceExiv2.html#94c225faf6d6c611a3828fae1c28efa6">ByteOrder</a> </td>
<td class="mdname" nowrap> <em>byteOrder</em> = <code>invalidByteOrder</code></td>
</tr>
<tr>
<td class="md"></td>
<td class="md">) </td>
<td class="md" colspan="2"><code> [virtual]</code></td>
</tr>
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</td>
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<table cellspacing="5" cellpadding="0" border="0">
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<td>
</td>
<td>
<p>
Read the value from a character buffer.
<p>
<dl compact><dt><b>Note:</b></dt><dd>The byte order is required by the interface but not used by this method, so just use the default.</dd></dl>
<dl compact><dt><b>Parameters:</b></dt><dd>
<table border="0" cellspacing="2" cellpadding="0">
<tr><td valign="top"></td><td valign="top"><em>buf</em> </td><td>Pointer to the data buffer to read from </td></tr>
<tr><td valign="top"></td><td valign="top"><em>len</em> </td><td>Number of bytes in the data buffer </td></tr>
<tr><td valign="top"></td><td valign="top"><em>byteOrder</em> </td><td>Byte order. Not needed.</td></tr>
</table>
</dl>
<dl compact><dt><b>Returns:</b></dt><dd>0 if successful<br>
1 in case of an unsupported date format </dd></dl>
<p>
Implements <a class="el" href="classExiv2_1_1Value.html#cc8870f802ebcdf9d4e081816ad8956e">Exiv2::Value</a>. </td>
</tr>
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<a class="anchor" name="e569670f2a52546812ca750cc7b1bb69"></a><!-- doxytag: member="Exiv2::DateValue::toFloat" ref="e569670f2a52546812ca750cc7b1bb69" args="(long n=0) const " --><p>
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<td class="md" nowrap valign="top">virtual float Exiv2::DateValue::toFloat </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">long </td>
<td class="mdname1" valign="top" nowrap> <em>n</em> = <code>0</code> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual]</code></td>
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</td>
</tr>
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<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Convert the n-th component of the value to a float. The behaviour of this method may be undefined if there is no n-th component.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The converted value. </dd></dl>
<p>
Implements <a class="el" href="classExiv2_1_1Value.html#22d257caa6c1ffe6416ce02de7bd8c1c">Exiv2::Value</a>. </td>
</tr>
</table>
<a class="anchor" name="80ca3538d96fa26f9f196e9db9ff0c43"></a><!-- doxytag: member="Exiv2::DateValue::toLong" ref="80ca3538d96fa26f9f196e9db9ff0c43" args="(long n=0) const " --><p>
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<td class="md" nowrap valign="top">long Exiv2::DateValue::toLong </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">long </td>
<td class="mdname1" valign="top" nowrap> <em>n</em> = <code>0</code> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [virtual]</code></td>
</tr>
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</td>
</tr>
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<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Convert the n-th component of the value to a long. The behaviour of this method may be undefined if there is no n-th component.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The converted value. </dd></dl>
<p>
Implements <a class="el" href="classExiv2_1_1Value.html#4530a3fc3e2305cf994de5476f46f953">Exiv2::Value</a>. </td>
</tr>
</table>
<a class="anchor" name="9a4641ab53245fcd36531bcd92e80e32"></a><!-- doxytag: member="Exiv2::DateValue::toRational" ref="9a4641ab53245fcd36531bcd92e80e32" args="(long n=0) const " --><p>
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<td class="md" nowrap valign="top">virtual <a class="el" href="namespaceExiv2.html#95756f3f7fa19103f83addf5fa088a30">Rational</a> Exiv2::DateValue::toRational </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">long </td>
<td class="mdname1" valign="top" nowrap> <em>n</em> = <code>0</code> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [inline, virtual]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing="5" cellpadding="0" border="0">
<tr>
<td>
</td>
<td>
<p>
Convert the n-th component of the value to a Rational. The behaviour of this method may be undefined if there is no n-th component.
<p>
<dl compact><dt><b>Returns:</b></dt><dd>The converted value. </dd></dl>
<p>
Implements <a class="el" href="classExiv2_1_1Value.html#595a4cb549bec8c19d290ca3e95a2678">Exiv2::Value</a>. </td>
</tr>
</table>
<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="value_8hpp.html">value.hpp</a><li>value.cpp</ul>
<hr size="1"><address style="align: right;"><small>Generated on Fri Jun 2 23:55:43 2006 for Exiv2 by
<a href="http://www.doxygen.org/index.html">
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.6 </small></address>
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