/// <summary>
/// Substitutes the matching formal attribute values of the element
/// with the values in the substitute attributes.
/// </summary>
/// <param name="substitutes">The list of substitute attribute/value pairs</param>
/// <returns>A deep copy of the empty element with values substituted</returns>
public EmptyElement SubstituteCopy(ArrayList substitutes)
{
EmptyElement xerox = copy();
// null valued subs remove attrs from the list, so itterate in reverse
for (int a = xerox.countAttributes() - 1; a > -1; a--)
{ // if formal values are found, substitute
String value = xerox.getAttributeValue(a);
foreach (Substitute sub in substitutes)
{
if (sub.formal.Equals(value))
{
xerox.addAttribute(xerox.getAttributeName(a), sub.value);
}
}
}
return(xerox);
}
/** Determines if this EmptyElement has the same attributes as another.
* @param ee another EmptyElement
* @return true if it has the same attributes
*/
public bool hasSameAttributes(EmptyElement ee)
{
if (ee == null)
{
return(false);
}
bool same = countAttributes() == ee.countAttributes();
if (same && m_attributes != null)
{ // count is the same, so if extra, one will not be equal
foreach (Attribute a in m_attributes)
{
Attribute a2 = ee.findAttribute(a.name);
if (!a.equals(a2))
{
return(false);
}
}
}
return(same);
}
/// <summary>
/// Counts the number of RuleSet formal parameters.
/// </summary>
/// <returns>The number of formal parameters.</returns>
public int formals()
{
return(m_params.countAttributes());
}
/** Determines if this EmptyElement has the same attributes as another.
* @param ee another EmptyElement
* @return true if it has the same attributes
*/
public bool hasSameAttributes(EmptyElement ee)
{
if (ee == null) return false;
bool same = countAttributes() == ee.countAttributes();
if (same && m_attributes != null)
{ // count is the same, so if extra, one will not be equal
foreach (Attribute a in m_attributes)
{
Attribute a2 = ee.findAttribute(a.name);
if (!a.equals(a2)) return false;
}
}
return same;
}
