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https://issues.apache.org/jira/browse/DAFFODIL-2541?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Olabusayo Kilo reassigned DAFFODIL-2541:
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Assignee: Olabusayo Kilo
> DaffodilXMLLoader - eliminate error handler and return diagnostics
> ------------------------------------------------------------------
>
> Key: DAFFODIL-2541
> URL: https://issues.apache.org/jira/browse/DAFFODIL-2541
> Project: Daffodil
> Issue Type: Improvement
> Components: Clean Ups, Diagnostics
> Affects Versions: 3.1.0
> Reporter: Mike Beckerle
> Assignee: Olabusayo Kilo
> Priority: Major
>
> There is a lot of complex code in Daffodil to deal with parsing DFDL Schemas
> as XML, parsing XML docs such as TDML files etc.
> The complexity to some degree is caused by the way SAX parsers report errors,
> which is by side-effect calls to an error handler object.
> Daffodil is largely functional programming, and this side-effect style just
> has to be worked around everyplace we load/validate XML.
> The DaffodilXMLLoader really should be a function that returns type:
> {code:java}
> (Option[Elem],Seq[SAXParseException]){code}
> A standard call can then also convert these SAXParseException into SDE/SDW
> for use from the schema compiler.
> The TDML Runner loading of data files and such wants to treat the
> errors/warnings differently, so that's why the DaffodilXMLLoader cannot
> always convert to SDE/SDW objects uniformly.
> This would clean up the code substantially.
>
>
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