Import module from URI (eXist 1.4.0)

[exist_newbie]

Hello,

Accordingly to the specs (http://www.w3.org/TR/xquery/), the import module syntax is:
"import" "module" ("namespace" NCName "=")? URILiteral ("at" URILiteral ("," URILiteral)*)?
and the URI should always be escaped (from my knowledge)...

However, when I'm trying to import an xQuery module from a file URI using the following syntax:
import module namespace initializer="init" at "file:/C:/Program%20Files/MyApplicationPath/init.xq";
I get the following error:
Failed to invoke method query in class org.exist.xmlrpc.RpcConnection: org.exist.xquery.XPathException: error found while loading module initializer: source for module 'init' not found at 'file:/C:/Program%20Files/MyApplicationPath/init.xq': cannot read module source from file at C:/Program%20Files/MyApplicationPath/init.xq.  
When providing the unescaped URI:
import module namespace initializer="init" at "file:/C:/Program Files/MyApplicationPath/init.xq";
the module import is correctly done...

Is eXist not able to import modules from URIs unless they are explicitly unescaped or am I missing something? Thanks!

[Dannes Wessels-3]

On 27 Jul 2011, at 17:36 , exist_newbie wrote:

Is eXist not able to import modules from URIs unless they are explicitly
unescaped or am I missing something? Thanks! 

please could you rewrite your mail without some of the markups? There are quite some "/"-es and it reads  "file:/C:/*Program Files*/MyApplicationPath/init.xq";/ ; that is with "*"  (asterisks) in the pattern ; making your mail very difficult to understand….

cheers

Dannes

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[exist_newbie]

What I mean is that:

import module namespace initializer="init" at "file:/C:/Program%20Files/MyApplicationPath/init.xq";

seems to follow the specs, but it doesn't work, while:

import module namespace initializer="init" at "file:/C:/Program Files/MyApplicationPath/init.xq";

works, but doesn't seem to respect the specs, because the URI is not escaped (the URI is not obtained using String concatenation etc, but using File.toURI().toString())...

[Dannes Wessels-3]

On 27 Jul 2011, at 20:44 , exist_newbie wrote:

works, but doesn't seem to respect the specs, because the URI is not escaped
(the URI is not obtained using String concatenation etc, but using
File.toURI().toString())...

hmmm you might be right here :-) Well lots of development has done since 1.4.0 (1.4.1 will be released verrrrrry soon), you might want to recheck it on the pre-release 1.4.1 (see our wiki). The codebase will not really change until the "final" version…..

regards

Dannes

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[exist_newbie]

And how the file URI should be constructed on Linux, to be accepted?

Because:
import module namespace initializer="init" at "file:/opt/MyApplicationPath/init.xq";
is definitely NOT working...

[Dmitriy Shabanov]

On 7/28/11, exist_newbie <[hidden email]> wrote:
> And how the file URI should be constructed on Linux, to be accepted?
>
> Because:
> import module namespace initializer="init" at
> "file:/opt/MyApplicationPath/init.xq";

try "/opt/MyApplicationPath/init.xq"

--
Dmitriy Shabanov

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[exist_newbie]

See the bug report here:
http://sourceforge.net/tracker/index.php?func=detail&aid=3380913&group_id=17691&atid=117691

[Adam Retter]

> Accordingly to the specs (/http://www.w3.org/TR/xquery//), the import module
> syntax is:
> /"import" "module" ("namespace" NCName "=")? URILiteral ("at" URILiteral
> ("," URILiteral)*)?/
> and the URI should always be escaped (from my knowledge)...

URILiteral just says that the at expression must contain a valid URI,
this does not specify which schemes it must support. The schemes
supported are implementation defined. So whether an implementation
supports file:// or http:// is really up to the implementor and not
the spec.

> However, when I'm trying to import an xQuery module from a file URI using
> the following syntax:
> /import module namespace initializer="init" at
> "file:/C:/*Program%20Files*/MyApplicationPath/init.xq";/

try "file:///C:/*Program%20Files*/MyApplicationPath/init.xq"

> I get the following error:
> /Failed to invoke method query in class org.exist.xmlrpc.RpcConnection:
> org.exist.xquery.XPathException: error found while loading module
> initializer: source for module 'init' not found at
> 'file:/C:/Program%20Files/MyApplicationPath/init.xq': cannot read module
> source from file at C:/Program%20Files/MyApplicationPath/init.xq. /
> When providing the unescaped URI:
> /import module namespace initializer="init" at "file:/C:/*Program
> Files*/MyApplicationPath/init.xq";/
> the module import is correctly done...
>
> Is eXist not able to import modules from URIs unless they are explicitly
> unescaped or am I missing something? Thanks!
>
>
> --
> View this message in context: http://exist.2174344.n4.nabble.com/Import-module-from-URI-eXist-1-4-0-tp3698904p3698904.html
> Sent from the exist-open mailing list archive at Nabble.com.
>
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--
Adam Retter

eXist Developer
{ United Kingdom }
[hidden email]
irc://irc.freenode.net/existdb

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