Sequence FunctionAdjustTimeToTimezone::createSequence(DynamicContext* context, int flags) const
{
XPath2MemoryManager* memMgr = context->getMemoryManager();
//If $srcval is the empty sequence, then the result is the empty sequence.
Sequence op1 = getParamNumber(1, context)->toSequence(context);
if (op1.isEmpty()) {
return Sequence(memMgr);
}
const ATTimeOrDerived* time = (const ATTimeOrDerived*)(const Item*)op1.first();
//If $timezone is not specified, then $timezone is the value of the implicit timezone in the evaluation context.
ATDurationOrDerived::Ptr timezoneAsDuration = 0;
if (getNumArgs() > 1) {
Sequence op2 = getParamNumber(2, context)->toSequence(context);
if (op2.isEmpty()) {
// unset the timezone
return Sequence(time->setTimezone(0, context), memMgr);
} else {
timezoneAsDuration = (const ATDurationOrDerived::Ptr )op2.first();
Timezone::Ptr timezone = new Timezone(timezoneAsDuration, context);
if(!timezoneAsDuration->equals(timezone->asDayTimeDuration(context), context)) {
XQThrow(FunctionException, X("FunctionAdjustTimeToTimeZone::createSequence"),X("Invalid timezone value [err:FODT0003]"));
}
}
}
else {
timezoneAsDuration = context->getImplicitTimezone();
}
return Sequence(time->addTimezone(timezoneAsDuration, context), memMgr);
}
Sequence FunctionTimezoneFromDate::createSequence(DynamicContext* context, int flags) const
{
XPath2MemoryManager* memMgr = context->getMemoryManager();
Sequence arg=getParamNumber(1,context)->toSequence(context);
if(arg.isEmpty())
return Sequence(memMgr);
const ATDateOrDerived *date = (const ATDateOrDerived*)(const Item*)arg.first();
// If $srcval does not contain a timezone, the result is the empty sequence
if (date->hasTimezone() == false) {
return Sequence(memMgr);
}
const Timezone::Ptr timezone = date->getTimezone();
return Sequence( (const Item::Ptr )timezone->asDayTimeDuration(context), memMgr );
}