https://bugzilla.wikimedia.org/show_bug.cgi?id=39019
Web browser: ---
Bug #: 39019
Summary: [SMW] Separator for multiple values per property in
subobjects
Product: MediaWiki extensions
Version: unspecified
Platform: All
OS/Version: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: Semantic MediaWiki
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected], [email protected]
Classification: Unclassified
Mobile Platform: ---
This topic was previously discussed on the SMW mailing list in July/August 2012
(look for "[Semediawiki-user] Future plans for Semantic MediaWiki #subobject
and Semantic Internal Objects")
Currently, subobjects can handle multiple property values in the following two
ways:
{{#subobject: ...
|property1=value1
|property1=value2
|property1=value3
}}
and more recently,
{{#subobject: ...
|property1=value1|value2|value3
}}
However, neither approach is very suitable for embedding value parameters in
templates. Using a pipe as a delimiter conflicts with parser syntax. What is
needed, therefore, is an alternative way of delimiting values on the condition
that it not does by default restrict the scope of usable characters (as Markus,
no doubt rightly, insists).
As a possible solution, Markus considers "some syntax for enabling ;-based
lists or we could have another parser function that does just this." Here are
two semi-concrete ideas:
1. Yaron Koren proposes adding a suffix in roughly the same way as this is done
with SIO. The difference is that semicolons rather than commas would be used,
as commas can be quite common in pagenames and other values.
{{#subobject: ...
|property1#list=value 1; value 2; value 3;
|property2=value1
}}
In template
{{#subobject: ...
|property1#list={{{property1values|}}}
|property2={{{property2value|}}}
}}
2. For every property in a printout statement, the Array and Hash formats use
"manysep" to delimit values.
Maybe something like it could be implemented for #subobject (and #set)
declarations in addition to #ask queries? For some context concerning inline
queries, see also bug 37899
{{#subobject: ...
|property1=value 1; value 2; value 3
|property2=value 1; value 2; value 3
|manysep=;
}}
(There might be valid arguments against using the name "manysep", but I hope
you get the idea)
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