olabusayoT commented on a change in pull request #326: Daffodil 2280 cleanup -
removes backpointers and factory patterns no longer needed
URL: https://github.com/apache/incubator-daffodil/pull/326#discussion_r394482717
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File path:
daffodil-core/src/main/scala/org/apache/daffodil/runtime1/TermRuntime1Mixin.scala
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@@ -101,6 +110,91 @@ trait TermRuntime1Mixin { self: Term =>
import PossibleNextElements._
+ /**
+ * Finds possible next streaming unparser elements for this term itself.
+ *
+ * Disregards any surrounding structure,
+ */
+ lazy val possibleThisTermNextStreamingUnparserElements: PossibleNextElements
=
+ LV('possibleThisTermNextStreamingUnparserElements) {
+ possibleThisTermNextStreamingUnparserElementsDef
+ }.value
+
+ // separate def assists breakpoint debugging
+ private lazy val possibleThisTermNextStreamingUnparserElementsDef:
PossibleNextElements = {
+ val thisItself: PossibleNextElements = this match {
+ //
+ // An array may be required in the infoset, but the array
+ // may also be terminated by finding the next element after the array,
+ // so we get closed only if required and not an array.
+ //
+ case eb: ElementBase if (eb.isRequiredStreamingUnparserEvent) =>
+ Closed(Seq(PNE(eb, true)))
+ case eb: ElementBase =>
+ Open(Seq(PNE(eb, false)))
+ case stb: SequenceTermBase if stb.isHiddenGroupRef =>
+ Open(Nil)
+ case stb: ChoiceTermBase if stb.isHiddenGroupRef =>
Review comment:
Update to ctb?
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