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// file : xsde/cxx/serializer/validating/time-zone.ixx
// copyright : Copyright (c) 2005-2011 Code Synthesis Tools CC
// license : GNU GPL v2 + exceptions; see accompanying LICENSE file
namespace xsde
{
namespace cxx
{
namespace serializer
{
namespace validating
{
namespace bits
{
inline bool
valid_time_zone (const time_zone& z)
{
short h = z.zone_hours ();
short m = z.zone_minutes ();
unsigned short ah = h < 0 ? -h : h;
unsigned short am = m < 0 ? -m : m;
return ((h <= 0 && m <= 0) || (h >= 0 && m >= 0)) &&
((ah < 14 && am < 60) || (ah == 14 && am == 0));
}
}
}
}
}
}
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