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<h1>/home/koen/project/wt/public-git/wt/examples/form/DateValidator.C</h1><a href="DateValidator_8C.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="preprocessor">#include "<a class="code" href="DateValidator_8h.html">DateValidator.h</a>"</span>
<a name="l00002"></a>00002
<a name="l00003"></a>00003 <span class="preprocessor">#include <Wt/WString></span>
<a name="l00004"></a>00004 <span class="preprocessor">#include <boost/regex.hpp></span>
<a name="l00005"></a>00005 <span class="preprocessor">#include <boost/date_time/gregorian/gregorian.hpp></span>
<a name="l00006"></a>00006
<a name="l00007"></a>00007 <span class="keyword">using namespace </span>boost::gregorian;
<a name="l00008"></a>00008
<a name="l00009"></a>00009 <span class="comment">/*</span>
<a name="l00010"></a>00010 <span class="comment"> * Disclaimer: I am clueless how to use boost::gregorian in a sensible way.</span>
<a name="l00011"></a>00011 <span class="comment"> *</span>
<a name="l00012"></a>00012 <span class="comment"> * That, together with the fact that I wanted to test WRegExpValiator</span>
<a name="l00013"></a>00013 <span class="comment"> * is the reason why I use a regular expression to get the</span>
<a name="l00014"></a>00014 <span class="comment"> * day/month/year fields, and boost::gregorian to check that the date</span>
<a name="l00015"></a>00015 <span class="comment"> * is a valid date.</span>
<a name="l00016"></a>00016 <span class="comment"> */</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <a class="code" href="classDateValidator.html#1de946017ced5d2c0493372383fefbd8" title="Construct a date validator.">DateValidator::DateValidator</a>(<span class="keyword">const</span> date& bottom, <span class="keyword">const</span> date& top)
<a name="l00019"></a>00019 : <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WRegExpValidator.html">WRegExpValidator</a>(<span class="stringliteral">"(\\d{1,2})/(\\d{1,2})/(\\d{4})"</span>),
<a name="l00020"></a>00020 bottom_(bottom),
<a name="l00021"></a>00021 top_(top)
<a name="l00022"></a>00022 {
<a name="l00023"></a>00023 setNoMatchText(<span class="stringliteral">"Must be a date in format 'dd/MM/yyyy'"</span>);
<a name="l00024"></a>00024 }
<a name="l00025"></a>00025
<a name="l00026"></a><a class="code" href="classDateValidator.html#aaa584cefc1adeee0c48c9e4ef8b5c63">00026</a> <a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WValidator.html#638a1feefca259ea2f806a8add2d18a3">WValidator::State</a> <a class="code" href="classDateValidator.html#aaa584cefc1adeee0c48c9e4ef8b5c63">DateValidator::validate</a>(<a class="codeRef" doxygen="wt.tags:../../reference/html/" href="../../reference/html/classWt_1_1WString.html">WString</a>& input)<span class="keyword"> const</span>
<a name="l00027"></a>00027 <span class="keyword"></span>{
<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></div>
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