protected override IEnumerable <UnparsableAst> GetChildren(Unparser.ChildBnfTerms childBnfTerms, object astValue, Unparser.Direction direction)
{
System.Collections.IEnumerable astCollection = (System.Collections.IEnumerable)astValue;
if (astCollection == null && this.EmptyCollectionHandling == EmptyCollectionHandling.ReturnNull)
{
yield break; // this null value should be handled as an empty collection
}
if (direction == Unparser.Direction.RightToLeft)
{
astCollection = astCollection.ReverseNonGenericOptimized();
}
bool firstElement = true;
foreach (object astElement in astCollection)
{
if (!firstElement && this.delimiter != null)
{
yield return(new UnparsableAst(this.delimiter, astCollection));
}
yield return(new UnparsableAst(this.element, astElement));
firstElement = false;
}
}
protected override IEnumerable <UnparsableAst> GetChildren(Unparser.ChildBnfTerms childBnfTerms, object astValue, Unparser.Direction direction)
{
foreach (var childRuleReferredBnfTerm in childBnfTerms.Select((childBnfTerm, index) =>
new ReferredBnfTermEI(childBnfTerms.ContentIndex, childBnfTerm, direction == Unparser.Direction.LeftToRight ? index : childBnfTerms.Count - 1 - index)
))
{
object childAstValue;
Member member;
if (IsMemberAtRule(childRuleReferredBnfTerm))
{
member = GetMemberByAtRule(childRuleReferredBnfTerm);
childAstValue = GetValue(member.MemberInfo, astValue);
}
else if (childRuleReferredBnfTerm.BnfTerm is BnfiTermCopy)
{
member = null;
childAstValue = astValue;
}
else
{
member = null;
childAstValue = astValue;
}
if (childAstValue == null && childRuleReferredBnfTerm.BnfTerm is BnfiTermConversion && ((BnfiTermConversion)childRuleReferredBnfTerm.BnfTerm).isOptionalValue)
{
continue;
}
yield return(new UnparsableAst(childRuleReferredBnfTerm.BnfTerm, childAstValue, member));
}
}
protected abstract IEnumerable <UnparsableAst> GetChildren(Unparser.ChildBnfTerms childBnfTerms, object astValue, Unparser.Direction direction);
IEnumerable <UnparsableAst> IUnparsableNonTerminal.GetChildren(Unparser.ChildBnfTerms childBnfTerms, object astValue, Unparser.Direction direction)
{
return(GetChildren(childBnfTerms, astValue, direction));
}
protected override IEnumerable <UnparsableAst> GetChildren(Unparser.ChildBnfTerms childBnfTerms, object astValue, Unparser.Direction direction)
{
return(childBnfTerms.Select(childBnfTerm => new UnparsableAst(childBnfTerm, astValue)));
}
protected override IEnumerable <UnparsableAst> GetChildren(Unparser.ChildBnfTerms childBnfTerms, object astValue, Unparser.Direction direction)
{
return(childBnfTerms.Select(childBnfTerm => new UnparsableAst(childBnfTerm, astValue: valueCreatorFromNoAst != null ? valueCreatorFromNoAst() : null)));
}
