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// file : xsde/cxx/serializer/validating/date.cxx
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
#include <stdio.h> // sprintf/snprintf
#include <xsde/cxx/serializer/validating/date.hxx>
#include <xsde/cxx/serializer/validating/time-zone.hxx>
namespace xsde
{
namespace cxx
{
namespace serializer
{
namespace validating
{
void date_simpl::
pre (const date& value)
{
value_ = value;
}
void date_simpl::
_serialize_content ()
{
// We only need strlen("-2147483649-MM-DD+hh:mm") + 1 characters to
// hold all representations of date.
//
char str[24];
int y = value_.year ();
unsigned short m = value_.month ();
unsigned short d = value_.day ();
// Validate day according to the XML Schema 1.1 specification:
//
// The day value must be no more than 30 if month is one of 4, 6, 9,
// or 11, no more than 28 if month is 2 and year is not divisible by
// 4, or is divisible by 100 but not by 400, and no more than 29 if
// month is 2 and year is divisible by 400, or by 4 but not by 100.
//
unsigned short max_day = 31;
switch (m)
{
case 4:
case 6:
case 9:
case 11:
max_day = 30;
break;
case 2:
max_day = ((y % 400 == 0) ||
(y % 4 == 0 && y % 100 != 0) ? 29 : 28);
break;
default:
break;
}
if (y != 0 && m > 0 && m < 13 && d > 0 && d <= max_day &&
(!value_.zone_present () || bits::valid_time_zone (value_)))
{
#ifdef XSDE_SNPRINTF
int n = snprintf (str, 18, "%.4d-%.2u-%.2u",
value_.year (), value_.month (), value_.day ());
#else
int n = sprintf (str, "%.4d-%.2u-%.2u",
value_.year (), value_.month (), value_.day ());
#endif
if (n > 0 && n < 18)
{
if (value_.zone_present ())
{
if (int z = bits::serialize_time_zone (str + n, value_))
n += z;
else
{
_schema_error (schema_error::invalid_date_value);
return;
}
}
_characters (str, static_cast<size_t> (n));
}
else
_schema_error (schema_error::invalid_date_value);
}
else
_schema_error (schema_error::invalid_date_value);
}
}
}
}
}
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