Re: [Exist-development] doc-available() should not produce true for non XML files

[Joe W. <jo...@gm...>]

Slav,

Could you confirm for the list which version of eXist you've seen the
incorrect behavior on?

Cheers,
Joe

2011/10/6 Вячеслав Седов <sch...@gm...>:
> hi,
>
> if (doc-available($file-name)) then doc($file-name) else
> util:binary-doc($file-name) (: where $file-name point to xquery module
> :) produce error like this
>
>  Document /db/test/backup.xq is a binary resource, not an XML
> document. Please consider using the function util:binary-doc() to
> retrieve a reference to it.
>
> but here http://www.w3.org/TR/xpath-functions/#func-doc-available
>
> we can see
>
> "15.5.5 fn:doc-available
>
> fn:doc-available($uri as xs:string?) as xs:boolean
> Summary: The function returns true if and only if the function call
> fn:doc($uri) would return a document node.
>
> If $uri is an empty sequence, this function returns false.
>
> If a call on fn:doc($uri) would return a document node, this function
> returns true.
>
> If $uri is not a valid URI according to the rules applied by the
> implementation of fn:doc, an error is raised [err:FODC0005].
>
> Otherwise, this function returns false.
>
> If this function returns true, then calling fn:doc($uri) within the
> same ·execution scope· must return a document node. However, if
> non-stable processing has been selected for the fn:doc function, this
> guarantee is lost."
>
> with best wishes,
> Slav