> From: Sylvain Wallez [mailto:[EMAIL PROTECTED]] 
> 
> Hi team,
> 
> The extended sitemap variable substitution syntax based on 
> InputModules 
> is available in HEAD.
> 
> Sitemap variables can now be prefixed by the name of an InputModule. 
> This means for example that "{request:foo}" will evaluate to 
> the value 
> of the "foo" request parameter or that "{session:myAttr}" 
> will evaluate 
> to the value of the "myAttr" session attribute.

To the value of myAttr.toString(), am I right? 
Don't you think that next thing that will be needed is to get a value in
some other way, e.g. using an XPath with DOM objects, e.g.:

{session:myDOM#/root/errors/error[@id='myfield']}

? So, the quantity of input modules will start to grow as actions' did.

> 
> Unprefixed variables are sitemap variables as usual, but 
> there's also a 
> reserved "sitemap" prefix. This means that "{../1}" is equivalent to 
> "{sitemap:../1}". This can be used when the name of a sitemap 
> variable 
> contains a colon, e.g. "{sitemap:the:name}"
> 
> For background info on this, see the proposal and vote at :
> http://marc.theaimsgroup.com/?l=xml-cocoon-dev&m=102224876231373
> http://marc.theaimsgroup.com/?l=xml-cocoon-dev&m=102274954212137
> 
> Tests weren't extensive but this seems to work well.
> 
>                                   --o0o--
> 
> This new feature means that InputModules will be more widely 
> used, and 
> therefore I'd like to propose some changes in the names they 
> have in the 
> current cocoon.xconf to more meaningfull ones :
> - "request-param" instead of "request" for request parameters,
> - "request-header" instead of "header" for request headers,
> - "request-attr" instead of "attribute" for request attributes,
> - "session-attr" instead of "session" for session attributes.

I'd also add:
 "app-attr" for servlet (application) context attributes
 "app-init-param" for servlet init params

Hm... 
Won't it be better to have one parametrized InputModule, say for, "request"
and use it to get all the needed data from the request, be it a param,
attribute, header or maybe request URI, etc? The same for "app" module, that
will be used to get: servlet context attributes, init params, context name,
etc.?

I don't have a good idea on how the syntax can look like for this (maybe
"request:param:/...", "request:attr:/", etc.)?

> 
> Thoughts ?

Some were above.

Konstantin

> 
> Sylvain
> 
> -- 
> Sylvain Wallez
>  Anyware Technologies                  Apache Cocoon
>  http://www.anyware-tech.com           mailto:[EMAIL PROTECTED]
> 
> 
> 
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