[PR] THRIFT-6122: Normalize Ruby JSON Unicode handling [thrift]

["kpumuk (via GitHub)" <gi...@apache.org>]

kpumuk opened a new pull request, #3673:
URL: https://github.com/apache/thrift/pull/3673

   <!-- Explain the changes in the pull request below: -->
     
   The Ruby JSON protocol interprets every `\uXXXX` escape independently, so supplementary Unicode characters represented as UTF-16 surrogate pairs fail before the two code units can be combined. It also writes strings using the caller's declared encoding, which can place non-UTF-8 bytes in a JSON payload.
   
   This change combines valid surrogate pairs into their Unicode scalar value and reports malformed escapes or unpaired surrogates as typed protocol errors. When writing, it preserves valid UTF-8, accepts valid UTF-8 bytes carried by binary Ruby strings, transcodes strings with another declared encoding, and rejects invalid byte sequences before emitting any JSON bytes. The caller's string is left unchanged.
   
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   - [x] Did you create an [Apache Jira](https://issues.apache.org/jira/projects/THRIFT/issues/) ticket? [THRIFT-6122](https://issues.apache.org/jira/browse/THRIFT-6122)
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Re: [PR] THRIFT-6122: Normalize Ruby JSON Unicode handling [thrift]

["kpumuk (via GitHub)" <gi...@apache.org>]

kpumuk merged PR #3673:
URL: https://github.com/apache/thrift/pull/3673


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