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https://issues.apache.org/jira/browse/DAFFODIL-2639?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Lawrence updated DAFFODIL-2639:
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Fix Version/s: (was: 3.4.0)
> InputSourceDataInputStream needs to support bitPos1b
> ----------------------------------------------------
>
> Key: DAFFODIL-2639
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2639
> Project: Daffodil
> Issue Type: New Feature
> Components: Back End
> Affects Versions: 3.2.1
> Reporter: Mike Beckerle
> Priority: Major
>
> It would be very useful when using Daffodil to parse a stream of data into
> messages or records, to be able to ask the inputSourceDataInputStream for its
> position between calls to parse.
> For this to be meaningful; however, the stream must be positioned at the next
> bit to read in order to consume the next message. That is, any speculative
> reads must have been backtracked, not stored as state in Daffodil.
> The point is to be able to output along with each message, its starting
> position in the input data stream, thereby discovering the boundary positions
> in the input stream where each of the messages/records starts, and the length
> (by looking at the next starting position)
>
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