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https://issues.apache.org/jira/browse/DAFFODIL-1781?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mike Beckerle updated DAFFODIL-1781:
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Priority: Trivial (was: Minor)
> layer transformer for ASN.1 Object Identifier
> ---------------------------------------------
>
> Key: DAFFODIL-1781
> URL: https://issues.apache.org/jira/browse/DAFFODIL-1781
> Project: Daffodil
> Issue Type: New Feature
> Components: Back End, DFDL Language, Front End
> Reporter: Mike Beckerle
> Priority: Trivial
>
> Some data types are encoded in ways we can't decode.
> Good example of this is an ASN.1 DER "Object Identifier".
> Another good example of this is a Google Protocol Buffers zig-zag integer.
> Another example of this is the payload of a mil-std-2045 header - the payload
> can be specified as "compressed", and must be decompressed when parsing,
> recompressed when unparsing.
> ��
> This ticket may be mixing some issues.
> * Primitive representations of string, int, etc.
> * decoding of a representation before subsequently parsing it, or the
> inverse for unparsing
> In general DFDL/Daffodil needs extensibility of this kind, so that every time
> someone runs into a format with some encoding not anticipated by the DFDL
> standard we don't have to add it into the Daffodil implementation as a
> special case.
> We need the ability to extend by adding a jar of specifically-setup
> libraries, and augmenting a schema with declarations that the extension be
> added.
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