Github user mbeckerle commented on a diff in the pull request:
https://github.com/apache/incubator-daffodil/pull/12#discussion_r153950528
--- Diff:
daffodil-io/src/main/scala/edu/illinois/ncsa/daffodil/io/FormatInfo.scala ---
@@ -0,0 +1,49 @@
+package edu.illinois.ncsa.daffodil.io
+
+import java.nio.charset.CharsetDecoder
+import java.nio.charset.CharsetEncoder
+import edu.illinois.ncsa.daffodil.schema.annotation.props.gen.BitOrder
+import edu.illinois.ncsa.daffodil.schema.annotation.props.gen.ByteOrder
+import
edu.illinois.ncsa.daffodil.schema.annotation.props.gen.BinaryFloatRep
+import edu.illinois.ncsa.daffodil.util.MaybeInt
+import java.nio.charset.Charset
+import java.nio.charset.CodingErrorAction
+import
edu.illinois.ncsa.daffodil.schema.annotation.props.gen.EncodingErrorPolicy
+import edu.illinois.ncsa.daffodil.util.Maybe
+import edu.illinois.ncsa.daffodil.schema.annotation.props.gen.UTF16Width
+
+/**
+ * Abstract interface to obtain format properties.
--- End diff --
Enhance comment.
This trait is the abstract interface the I/O layer uses to obtain
properties that are runtime-evaluatable, or are influenced by
runtime-evaluatable properties.
---
