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fix: XML::Reader#attribute_hash returns nil on error #2715

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merged 1 commit into from Dec 7, 2022

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@flavorjones flavorjones commented Dec 6, 2022

What problem is this PR intended to solve?

Reader#attribute_hash does not behave the same way Reader#attribute_nodes behaved when parse errors are encountered.

For callers of Reader#attributes this restores the behavior from v1.13.7 before #2602.

See also the related change in #2714 which will land in v1.14.0 that raises a SyntaxError instead of returning nil.

Have you included adequate test coverage?

Yes, coverage added.

Does this change affect the behavior of either the C or the Java implementations?

The C and Java parsers differ in when they detect a syntax error in this case. libxml2 indicates an error when we try to expand a start tag that does not have a matching end tag, but xerces will defer the error until later. The tests reflect that difference.

@flavorjones flavorjones added this to the v1.13.x patch releases milestone Dec 6, 2022
@flavorjones flavorjones force-pushed the flavorjones-fix-reader-error-handling_v1.13.x branch from 3375c1f to f9d9061 Compare December 6, 2022 21:04
Note that on JRuby, the namespaces are still returned because the
parse error would raised on the subsequent node expansion.

This restores the behavior from v1.13.7
@flavorjones flavorjones force-pushed the flavorjones-fix-reader-error-handling_v1.13.x branch from f9d9061 to 9fe0761 Compare December 7, 2022 02:36
@flavorjones flavorjones merged commit 85410e3 into v1.13.x Dec 7, 2022
@flavorjones flavorjones deleted the flavorjones-fix-reader-error-handling_v1.13.x branch December 7, 2022 21:25
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