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// $Id$
#include "Property_Filter.h"
TAO_Property_Filter::
TAO_Property_Filter (const SPECIFIED_PROPS& desired_props,
CORBA::Environment& _env)
TAO_THROW_SPEC ((CosTrading::IllegalPropertyName,
CosTrading::DuplicatePropertyName))
: policy_ (desired_props._d ())
{
if (this->policy_ == CosTrading::Lookup::some)
{
const CosTrading::PropertyNameSeq& prop_seq = desired_props.prop_names ();
int length = prop_seq.length ();
for (int i = 0; i < length; i++)
{
const char* pname = prop_seq[i];
// Check for errors or duplicates
if (! TAO_Trader_Base::is_valid_identifier_name (pname))
TAO_THROW_SPEC (CosTrading::IllegalPropertyName (pname));
else
{
// Insert returns a pair whose second element is a flag
// indicating whether a collision occured.
TAO_String_Hash_Key prop_name (pname);
if (this->props_.insert (prop_name) == 1)
TAO_THROW_SPEC (CosTrading::DuplicatePropertyName (pname));
}
}
}
}
TAO_Property_Filter::
TAO_Property_Filter (const TAO_Property_Filter& prop_filter)
: props_ (prop_filter.props_),
policy_ (prop_filter.policy_)
{
}
void
TAO_Property_Filter::filter_offer (CosTrading::Offer& source,
CosTrading::Offer& destination)
{
Prop_Queue prop_queue;
CosTrading::PropertySeq& s_props = source.properties;
CosTrading::PropertySeq& d_props = destination.properties;
int length = s_props.length (), elem = 0;
destination.reference = source.reference->_duplicate (source.reference);
if (this->policy_ != CosTrading::Lookup::none)
{
for (int i = 0; i < length; i++)
{
if (this->policy_ == CosTrading::Lookup::all)
prop_queue.enqueue_tail (&s_props[i]);
else
{
TAO_String_Hash_Key prop_name ((const char*) s_props[i].name);
// Save those property that match.
if (this->props_.find (prop_name) == 0)
prop_queue.enqueue_tail (&s_props[i]);
}
}
// Shove the matched properties into the destination property
// sequence.
length = prop_queue.size ();
d_props.length (prop_queue.size ());
for (Prop_Queue::ITERATOR prop_iter (prop_queue);
! prop_iter.done ();
prop_iter.advance (), elem++)
{
CosTrading::Property** prop_ptr = 0;
prop_iter.next (prop_ptr);
d_props[elem] = **prop_ptr;
}
}
}
int
TAO_Property_Filter::verify_property_name (const char* name)
{
int return_value = -1,
length = ACE_OS::strlen (name);
if (length >= 1 && isalpha (name[0]))
{
for (int i = 0; i < length; i++)
{
if (! (isalnum (name[i]) || name[i] == '_'))
break;
}
return_value = 0;
}
return return_value;
}
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