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#include "DateValidator.h"
#include <Wt/WString>
#include <boost/regex.hpp>
#include <boost/date_time/gregorian/gregorian.hpp>
using namespace boost::gregorian;
/*
* Disclaimer: I am clueless how to use boost::gregorian in a sensible way.
*
* That, together with the fact that I wanted to test WRegExpValiator
* is the reason why I use a regular expression to get the
* day/month/year fields, and boost::gregorian to check that the date
* is a valid date.
*/
DateValidator::DateValidator(const date& bottom, const date& top)
: WRegExpValidator("(\\d{1,2})/(\\d{1,2})/(\\d{4})"),
bottom_(bottom),
top_(top)
{
setNoMatchText("Must be a date in format 'dd/MM/yyyy'");
}
WValidator::State DateValidator::validate(WString& input) const
{
WValidator::State state = WRegExpValidator::validate(input);
std::string text = input.toUTF8();
if ((state == Valid) && !text.empty()) {
boost::smatch what;
boost::regex_match(text, what, boost::regex(regExp().toUTF8()));
try {
date d
= from_string(what[3] + "/" + what[2] + "/" + what[1]);
if ((d >= bottom_) && (d <= top_))
return Valid;
else
return Invalid;
} catch (std::exception& e) {
return Invalid;
}
} else
return state;
}
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