Re: [Exist-development] XProc XML Calabash extension committed, ready for testing

[Adam R. <ad...@ex...>]

On 3 May 2010 10:10, James Fuller <jam...@ex...> wrote:
> addenda:
> I removed calabash.jar and saxon9pe.jar from lib/user for now until we
> figure out how we want to deploy ... you will need to download and install
> these jars yourself to test for now.

Great stuff, I look forward to playing with this when I have a moment.

I just modified the build configuration so that it will download those
two libs for you if you are building from source.

Cheers Adam.


> On 3 May 2010 09:27, James Fuller <jam...@ex...> wrote:
>>
>> Hello,
>> Just wanted to announce that we now have XML Calabash [1] integrated as an
>> extension with eXist.
>> This allows us to use more sophisticated XProc processing whilst I build
>> eXist own XProc implementation (which I have a planned upcoming release).
>> --------------------
>> Dependencies
>> --------------------
>>     * lib/user/calabash.jar - I have programmed extension so we should
>> just be able to 'drop in' latest version of XML Calabash
>>     * lib/user/saxon9pe.jar - needed as saxon is primary dep
>> -------
>> Build
>> -------
>>     * edit your local.build.properties (or build.properties)
>>
>>      include.module.xmlcalabash = true
>>      * rebuild eXist
>> ----------
>> Enable
>> ----------
>>     * edit your conf.xml
>>     <module class="org.exist.xquery.modules.xmlcalabash.XMLCalabashModule"
>>           uri="http://xmlcalabash.com" />
>>     * restart eXist
>> ----------
>> Usage
>> ----------
>>    * upload an XProc pipeline somewhere into eXist (ex.
>> /db/xmlcalabash/pipe.xml)
>> <?xml version="1.0"?>
>> <p:declare-step version="1.0" xmlns:p="http://www.w3.org/ns/xproc">
>> <p:input port="source">
>>   <p:inline><doc>Helloworld</doc></p:inline>
>> </p:input>
>> <p:output port="result"/>
>> <p:identity/>
>> </p:declare-step>
>>
>>    * invoke using xmlcalabash:process (in sandbox for example)
>> let $result :=
>> xmlcalabash:process("xmldb:exist:///db/xmlcalabash/pipe.xml","-")
>> return
>>    $result
>> ----------
>> Status
>> ----------
>> Currently there are a few limitations with this extension
>> * func signature will change soon to accept xml for pipeline, output, as
>> well as specify input/output/parameter ports and options ... for now its
>> primitive
>> * function returns a string (which you can parse back into xml using eXist
>> function) ... need to stay this way for a little bit during testing, will
>> add smart serialization in a bit
>> * p:xquery has no context with eXist ... this is a big limitation, but
>> there are several ways around this
>> * use xmldb:exist type URI
>> * no documentation, will probably add to existing XProc area
>> I wanted to 'throw over the wall' the draft version of this extension so I
>> can get feedback now.
>> thx, J
>> [1] XML Calabash - http://xmlcalabash.com/
>
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-- 
Adam Retter

eXist Developer
{ United Kingdom }
ad...@ex...
irc://irc.freenode.net/existdb