stevedlawrence commented on code in PR #1070:
URL: https://github.com/apache/daffodil/pull/1070#discussion_r1298643965
##########
daffodil-core/src/main/scala/org/apache/daffodil/core/dsom/SimpleTypes.scala:
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@@ -312,40 +308,49 @@ abstract class SimpleTypeDefBase(xml: Node,
lexicalParent: SchemaComponent)
}
}
- lazy val optInputTypeCalc = findPropertyOption("inputTypeCalc",
expressionAllowed = true)
- lazy val optOutputTypeCalc = findPropertyOption("outputTypeCalc",
expressionAllowed = true)
-
lazy val optTypeCalculator: Option[TypeCalculator] = LV('optTypeCalculator) {
Review Comment:
Will do, I had to learn about type calculators too so this would definitely
be useful. Quickly, type calculators are used to convert a parsed value (based
on the repType) to a value that actually ends up in the infoset. There are
different type calculators for supporting conversions based on enumerations and
unions, and previously expressions, which is now removed.
So a parser actually parses the data (based on the repType), and the type
calculator converts that parsed value to something else (based on the
enumeration/union), usually with a different type, and that ends up in the
infoset.
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