bool MatchesFilters(Resource e, VarOrAnchor var, SelectableSource targetModel)
{
if (!var.IsVariable)
{
return(true);
}
/*foreach (ValueFilter f in variables[var.VarIndex].Filters) {
* if (!f.Filter(e, targetModel)) return false;
* }*/
return(true);
}
private int IsUnbound(VarOrAnchor e, BindingSet bindings)
{
if (!e.IsVariable)
{
return(0);
}
if (bindings.Union.Bindings[e.VarIndex] == null)
{
return(1);
}
return(0);
}
private void InitSetStatement(Resource ent, ref VarOrAnchor st, Hashtable varIndex)
{
if (!varIndex.ContainsKey(ent))
{
st.IsVariable = false;
st.Anchor = ent;
}
else
{
st.IsVariable = true;
st.VarIndex = (int)varIndex[ent];
}
}
private int IsMultiplyBound(VarOrAnchor e, BindingSet bindings)
{
if (!e.IsVariable)
{
return(0);
}
if (bindings.Union.Bindings[e.VarIndex] == null)
{
return(0);
}
if (bindings.Union.Bindings[e.VarIndex].Items.Count == 1)
{
return(0);
}
return(1);
}
private static IEnumerator GetBindings(VarOrAnchor e, QueryResult bindings)
{
if (!e.IsVariable)
{
if (e.ArrayOfAnchor == null)
{
e.ArrayOfAnchor = new Resource[] { e.Anchor }
}
;
return(e.ArrayOfAnchor.GetEnumerator());
}
if (bindings.Bindings[e.VarIndex] == null)
{
return(ResourceArrayNull.GetEnumerator());
}
return(bindings.Bindings[e.VarIndex].Items.GetEnumerator());
}
private Resource GetUniqueBinding(VarOrAnchor e, BindingSet bindings)
{
if (!e.IsVariable)
{
return(e.Anchor);
}
if (bindings.Union.Bindings[e.VarIndex] == null || bindings.Union.Bindings[e.VarIndex].Count == 0)
{
return(null);
}
if (bindings.Union.Bindings[e.VarIndex].Count > 1)
{
throw new Exception();
}
foreach (Resource r in bindings.Union.Bindings[e.VarIndex].Items)
{
return(r);
}
throw new Exception();
}
private void InitSetStatement(Resource ent, ref VarOrAnchor st, Hashtable varIndex) {
if (!varIndex.ContainsKey(ent)) {
st.IsVariable = false;
st.Anchor = ent;
} else {
st.IsVariable = true;
st.VarIndex = (int)varIndex[ent];
}
}
bool MatchesFilters(Resource e, VarOrAnchor var, SelectableSource targetModel) {
if (!var.IsVariable) return true;
/*foreach (ValueFilter f in variables[var.VarIndex].Filters) {
if (!f.Filter(e, targetModel)) return false;
}*/
return true;
}
private Resource GetUniqueBinding(VarOrAnchor e, BindingSet bindings) {
if (!e.IsVariable) return e.Anchor;
if (bindings.Union.Bindings[e.VarIndex] == null || bindings.Union.Bindings[e.VarIndex].Count == 0) return null;
if (bindings.Union.Bindings[e.VarIndex].Count > 1) throw new Exception();
foreach (Resource r in bindings.Union.Bindings[e.VarIndex].Items)
return r;
throw new Exception();
}
private int IsUnbound(VarOrAnchor e, BindingSet bindings) {
if (!e.IsVariable) return 0;
if (bindings.Union.Bindings[e.VarIndex] == null) return 1;
return 0;
}
private int IsMultiplyBound(VarOrAnchor e, BindingSet bindings) {
if (!e.IsVariable) return 0;
if (bindings.Union.Bindings[e.VarIndex] == null) return 0;
if (bindings.Union.Bindings[e.VarIndex].Items.Count == 1) return 0;
return 1;
}
private static IEnumerator GetBindings(VarOrAnchor e, QueryResult bindings) {
if (!e.IsVariable) {
if (e.ArrayOfAnchor == null)
e.ArrayOfAnchor = new Resource[] { e.Anchor };
return e.ArrayOfAnchor.GetEnumerator();
}
if (bindings.Bindings[e.VarIndex] == null) return ResourceArrayNull.GetEnumerator();
return bindings.Bindings[e.VarIndex].Items.GetEnumerator();
}
