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Feature #3676

closed

Implement serialization to JSON

Added by Debbie Lockett about 6 years ago. Updated about 6 years ago.

Status:
Closed
Priority:
Normal
Assignee:
Debbie Lockett
Category:
-
Sprint/Milestone:
-
Start date:
2018-02-15
Due date:
% Done:

100%

Estimated time:
Applies to JS Branch:
1.0, Trunk
Fix Committed on JS Branch:
1.0, Trunk
Fixed in JS Release:
Saxon-JS 1.1.0
SEF Generated with:
Platforms:
Company:
-
Contact person:
-
Additional contact persons:
-

Description

The Saxon-JS implementation of fn:serialize() is non-conformant (see https://www.saxonica.com/saxon-js/documentation/index.html#!conformance/xslt30 and https://saxonica.plan.io/boards/5/topics/6696). It's generally on our "todo" list to improve the implementation.

One place we should perhaps start is with serializing to JSON. This could be important to provide a decent mechanism for converting XDM maps to JSON objects. This especially becomes relevant following the changes in the way we convert between XDM maps and JavaScript objects (see https://saxonica.plan.io/issues/3545).

The suggested mechanisms for conversion from a JSON object to a XDM map, and back, are then:

  • JS to XDM: JSON.stringify() in JavaScript, then parse-json() in XSLT

  • XDM to JS: serialize() to JSON in XSLT, then JSON.parse() in JavaScript

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 #1

Updated by Debbie Lockett about 6 years ago

Some work in progress committed on 1.0 branch, to get more of the QT3 fn-serialize tests passing (i.e. more of those which test serializing to JSON).

More to be done; and need to also copy changes to trunk branch.

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 #2

Updated by Debbie Lockett about 6 years ago

  • Status changed from New to Resolved
  • Fix Committed on JS Branch 1.0, Trunk added

Further code changes committed to 1.x branch, and copied over to 2.0 branch.

All QT3 fn-serialize (to JSON) tests are now passing (under Nashorn testing).

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 #3

Updated by Debbie Lockett about 6 years ago

Further details added to the documentation (under conformance/xslt30) to document the restrictions for the relevant serialization parameters, for serialization to JSON:

  • allow-duplicate-names is implemented

  • byte-order-mark is ignored, the default is "no"

  • encoding is ignored, the default is "utf-8"

  • indent is ignored, no extra whitespace is added

  • json-node-output-method is ignored, serialization of nodes calls fn:serialize() with options map{[method":"xml", "omit-xml-declaration]("yes"})

  • media-type is ignored

  • normalization-form is ignored, the default is "none"

  • use-character-maps is ignored.

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 #4

Updated by Debbie Lockett about 6 years ago

  • Status changed from Resolved to Closed
  • % Done changed from 0 to 100
  • Fixed in JS Release set to Saxon-JS 1.1.0

Bug fix applied in the Saxon-JS 1.1.0 maintenance release.

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