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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Wt examples: DateValidator Class Reference</title>
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<h1>DateValidator Class Reference<br>
<small>
[<a class="el" href="group__formexample.html">Form example</a>]</small>
</h1><!-- doxytag: class="DateValidator" --><!-- doxytag: inherits="Wt::WRegExpValidator" -->A validator that accepts dates.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="DateValidator_8h-source.html">DateValidator.h</a>></code>
<p>
<div class="dynheader">
Inheritance diagram for DateValidator:</div>
<div class="dynsection">
<p><center><img src="classDateValidator__inherit__graph.png" border="0" usemap="#DateValidator__inherit__map" alt="Inheritance graph"></center>
<map name="DateValidator__inherit__map">
<area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WRegExpValidator.html" title="Wt::WRegExpValidator" alt="" coords="5,155,157,181"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html" title="Wt::WValidator" alt="" coords="28,80,135,107"><area shape="rect" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WObject.html" title="Wt::WObject" alt="" coords="33,5,129,32"></map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
<p>
<a href="classDateValidator-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 Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classDateValidator.html#1de946017ced5d2c0493372383fefbd8">DateValidator</a> (const boost::gregorian::date &bottom, const boost::gregorian::date &top)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Construct a date validator. <a href="#1de946017ced5d2c0493372383fefbd8"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">State</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classDateValidator.html#aaa584cefc1adeee0c48c9e4ef8b5c63">validate</a> (<a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WString.html">WString</a> &input) const </td></tr>
<tr><td colspan="2"><br><h2>Private Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">boost::gregorian::date </td><td class="memItemRight" valign="bottom"><a class="el" href="classDateValidator.html#1826a737ba4425fba84ece0eaa04c7fa">bottom_</a></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">boost::gregorian::date </td><td class="memItemRight" valign="bottom"><a class="el" href="classDateValidator.html#6709f13942f4208dc65815a9d12e56b7">top_</a></td></tr>
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<hr><a name="_details"></a><h2>Detailed Description</h2>
A validator that accepts dates.
<p>
This example validator only accepts input in the dd/mm/yyyy format, and checks that the date is in the right range.<p>
It would be a natural thing to extend this class to provide access to the parsed date as a boost::gregorian::date object for example.<p>
This class is part of the Wt form example.
<p>Definition at line <a class="el" href="DateValidator_8h-source.html#l00033">33</a> of file <a class="el" href="DateValidator_8h-source.html">DateValidator.h</a>.</p>
<hr><h2>Constructor & Destructor Documentation</h2>
<a class="anchor" name="1de946017ced5d2c0493372383fefbd8"></a><!-- doxytag: member="DateValidator::DateValidator" ref="1de946017ced5d2c0493372383fefbd8" args="(const boost::gregorian::date &bottom, const boost::gregorian::date &top)" -->
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<td class="memname">DateValidator::DateValidator </td>
<td>(</td>
<td class="paramtype">const boost::gregorian::date & </td>
<td class="paramname"> <em>bottom</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const boost::gregorian::date & </td>
<td class="paramname"> <em>top</em></td><td> </td>
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<td></td>
<td>)</td>
<td></td><td></td><td></td>
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<p>
Construct a date validator.
<p>
The validator will accept only dates in the indicated range.
</div>
</div><p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="aaa584cefc1adeee0c48c9e4ef8b5c63"></a><!-- doxytag: member="DateValidator::validate" ref="aaa584cefc1adeee0c48c9e4ef8b5c63" args="(WString &input) const " -->
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<td class="memname"><a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">WValidator::State</a> DateValidator::validate </td>
<td>(</td>
<td class="paramtype"><a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WString.html">WString</a> & </td>
<td class="paramname"> <em>input</em> </td>
<td> ) </td>
<td> const<code> [virtual]</code></td>
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<p>
<p>Reimplemented from <a class="elRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WRegExpValidator.html#cd0bc1ff9dc23f4f34c6840e3d0d5edc">Wt::WRegExpValidator</a>.</p>
<p>Definition at line <a class="el" href="DateValidator_8C-source.html#l00026">26</a> of file <a class="el" href="DateValidator_8C-source.html">DateValidator.C</a>.</p>
<div class="fragment"><pre class="fragment"><a name="l00027"></a>00027 {
<a name="l00028"></a>00028 <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">WValidator::State</a> state = WRegExpValidator::validate(input);
<a name="l00029"></a>00029
<a name="l00030"></a>00030 std::string text = input.<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WString.html#159d088da6e8f2be1035b2341889254c">toUTF8</a>();
<a name="l00031"></a>00031
<a name="l00032"></a>00032 <span class="keywordflow">if</span> ((state == <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a31bc2acb7589ab9e3050867ebfc32dda3">Valid</a>) && !text.empty()) {
<a name="l00033"></a>00033 boost::smatch what;
<a name="l00034"></a>00034 boost::regex_match(text, what, boost::regex(<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WRegExpValidator.html#d4af69a61c23bf59db1b7c6bedf56311">regExp</a>().toUTF8()));
<a name="l00035"></a>00035
<a name="l00036"></a>00036 <span class="keywordflow">try</span> {
<a name="l00037"></a>00037 date d
<a name="l00038"></a>00038 = from_string(what[3] + <span class="stringliteral">"/"</span> + what[2] + <span class="stringliteral">"/"</span> + what[1]);
<a name="l00039"></a>00039
<a name="l00040"></a>00040 <span class="keywordflow">if</span> ((d >= <a class="code" href="classDateValidator.html#1826a737ba4425fba84ece0eaa04c7fa">bottom_</a>) && (d <= <a class="code" href="classDateValidator.html#6709f13942f4208dc65815a9d12e56b7">top_</a>))
<a name="l00041"></a>00041 <span class="keywordflow">return</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a31bc2acb7589ab9e3050867ebfc32dda3">Valid</a>;
<a name="l00042"></a>00042 <span class="keywordflow">else</span>
<a name="l00043"></a>00043 <span class="keywordflow">return</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3a5bf750faac5f1ca6fb58c8de97bac51">Invalid</a>;
<a name="l00044"></a>00044
<a name="l00045"></a>00045 } <span class="keywordflow">catch</span> (std::exception& e) {
<a name="l00046"></a>00046 <span class="keywordflow">return</span> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3a5bf750faac5f1ca6fb58c8de97bac51">Invalid</a>;
<a name="l00047"></a>00047 }
<a name="l00048"></a>00048 } <span class="keywordflow">else</span>
<a name="l00049"></a>00049 <span class="keywordflow">return</span> state;
<a name="l00050"></a>00050 }
</pre></div>
<p>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="1826a737ba4425fba84ece0eaa04c7fa"></a><!-- doxytag: member="DateValidator::bottom_" ref="1826a737ba4425fba84ece0eaa04c7fa" args="" -->
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<td class="memname">boost::gregorian::date <a class="el" href="classDateValidator.html#1826a737ba4425fba84ece0eaa04c7fa">DateValidator::bottom_</a><code> [private]</code> </td>
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<p>
<p>Definition at line <a class="el" href="DateValidator_8h-source.html#l00050">50</a> of file <a class="el" href="DateValidator_8h-source.html">DateValidator.h</a>.</p>
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<a class="anchor" name="6709f13942f4208dc65815a9d12e56b7"></a><!-- doxytag: member="DateValidator::top_" ref="6709f13942f4208dc65815a9d12e56b7" args="" -->
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<td class="memname">boost::gregorian::date <a class="el" href="classDateValidator.html#6709f13942f4208dc65815a9d12e56b7">DateValidator::top_</a><code> [private]</code> </td>
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<p>Definition at line <a class="el" href="DateValidator_8h-source.html#l00050">50</a> of file <a class="el" href="DateValidator_8h-source.html">DateValidator.h</a>.</p>
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<hr>The documentation for this class was generated from the following files:<ul>
<li>/home/koen/project/wt/public-git/wt/examples/form/<a class="el" href="DateValidator_8h-source.html">DateValidator.h</a><li>/home/koen/project/wt/public-git/wt/examples/form/<a class="el" href="DateValidator_8C-source.html">DateValidator.C</a></ul>
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