Hi Roger,
Thank you very much for the feedback.
We use a third-party library for JSON Schema validation and,
unfortunately, it does not support the "$anchor" and "$dynamicAnchor"
keywords. This is mentioned as a limitation in our user-guide
<https://www.oxygenxml.com/doc/versions/25.1/ug-editor/topics/json-validating-json-schema.html#json-validating-json-schema__section_n4d_llf_y5b>,
but, indeed, the message displayed for "$anchor" is not accurate at all.
We plan to provide full support for JSON Schema /Draft 2020-12/ in the
near future by using another library. I will let you know when this
support is ready.
Regards,
Florin
On 6/22/2023 9:25 PM, Roger L Costello wrote:
When I add "$anchor" to my JSON Schema, the Oxygen editor gives this error
message:
The keyword "$anchor" is not part of
JSON Schema Draft 2020-12 specification.
Therefore, it is ignored by the validation engine.
But that's not true. See section 8.2.2 of the 2020-12 specification
(https://json-schema.org/draft/2020-12/json-schema-core.html#section-8.2.2):
Using JSON Pointer fragments requires knowledge of the structure of the schema.
When writing schema documents with the intention to provide re-usable schemas,
it may be preferable to use a plain name fragment that is not tied to any
particular structural location. This allows a subschema to be relocated without
requiring JSON Pointer references to be updated.
The "$anchor" and "$dynamicAnchor" keywords are used to specify such fragments. They are
identifier keywords that can only be used to create plain name fragments, rather than absolute URIs as seen
with "$id"...
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Florin Nica
<oXygen/> XML Editor
www.oxygenxml.com
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