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Feature #4736

open

Add syntax for an external JavaScript object type

Added by Debbie Lockett about 4 years ago. Updated over 2 years ago.

Status:
New
Priority:
Low
Assignee:
Michael Kay
Category:
-
Sprint/Milestone:
SaxonJS 3.0
Start date:
2020-09-14
Due date:
% Done:

0%

Estimated time:
Applies to JS Branch:
2
Fix Committed on JS Branch:
Fixed in JS Release:
SEF Generated with:
Platforms:
Company:
-
Contact person:
-
Additional contact persons:
-

Description

We should add a new XPath ItemType for external JavaScript objects, so that type information for variables, etc. can be more specific than just item(). e.g. for storing JavaScript objects returned from calling IXSL extension functions, and global JS functions. (And to avoid conversion to XDM types, where this would otherwise happen.)

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 #1

Updated by Debbie Lockett about 4 years ago

  • Description updated (diff)
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 #2

Updated by Debbie Lockett about 4 years ago

  • Assignee changed from Debbie Lockett to Michael Kay
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 #3

Updated by Michael Kay about 4 years ago

For Java, the type of an external object of class org.package.ClassName is

Q{http://saxon.sf.net/java-type}org.package.ClassName

(It can of course be written as a lexical QName with a prefix if preferred.)

For JavaScript, I think we should use a single QName for all external objects, and suggest the name

Q{http://saxon.sf.net/javascript-type}Object

The alphacode for an external Java object type is "X norg.package.ClassName". For JavaScript I think it can simply be "X".

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 #4

Updated by Community Admin almost 4 years ago

  • Applies to JS Branch 2 added
  • Applies to JS Branch deleted (2.0)
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 #5

Updated by Norm Tovey-Walsh over 2 years ago

  • Sprint/Milestone set to SaxonJS 3.0

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