On 15 Mar 2004, at 13:17, Hussein Shafie wrote:
> Jeremy Quinn wrote:
>> I am trying to make a command that will open a related document.
>> Using this snippet of xml:
>> <site xl:title="KISS">
>> <map default="home" id="linkbase" role="reli"
>> xl:href="/linkbase.xml" xml:base="xlink"/>
>> <map xml:base="xml/" default="home" id="kiss" role="site">
>> <ref xl:label="home" xl:href="home.xml" xl:title="Home Page of the
>> KISS Rebreather Users Website">
>> <name>KISS</name>
>> <ref xl:label="work" xl:href="work/home.xml" xl:title="How the
>> KISS Rebreather works">
>> <name>Work</name>
>> <ref xl:label="schematic" xl:href="work/schematic.xml"
>> xl:title="A diagram showing how the unit works">
>> <name>Schematic</name>
>> </ref>
>> . . .
>> When you select the element r...@xl:label='work'] (above) I would
>> like the command to select the value in the @xl:href to use to open
>> that particular file:
>> <command name="link.openDocument">
>> <macro>
>> <sequence>
>> <command name="get" parameter="[implicitElement][URL]
>> ./@{http://www.w3.org/1999/xlink}href"; />
>> <command name="XXE.open" parameter="%_" />
>> </sequence>
>> </macro>
>> </command>
>> <menu label="LinkMap">
>> <insert />
>> <item label="Open Document" command="link.openDocument"/>
>> </menu>
>> This works fine when I try to use an attribute that does not have a
>> namespace prefix, but when I use the xl namespace, the menu item is
>> always dimmed.
>
> See my answer about XXE non being namespace aware when the document
> conforms to a DTD.
>
> If this is the case, changing "./@{http://www.w3.org/1999/xlink}href";
> to "./@xl:href" should fix the problem[*]
>
> ---
> [*] After rereading the code of command "get", I've found a bug in the
> parser of the subset of XPath. "./@xl:href" should have worked, but
> will not work due to the bug. Sorry.
>
So the previous fix you supplied to do with namespaces ( @xl\:href)
won't work here?
>> Furthermore, when I get that selection working, I need to prepend the
>> value '../' to the string returned from the attribute, before
>> XXE.open is called. How do you do this ?
>> like this? :
>> <command name="XXE.open" parameter='../"%_"' />
>> or this? :
>> <command name="get"
>> parameter="[implicitElement][URL]
>> concat('../',./@{http://www.w3.org/1999/xlink}href)" />
>
> You'll have to wait for XXE V2.6 which will fully support XPath 1.0 at
> various places, one of these places being the "get" command.
>
> XXE V2.5 only supports a very small subset of XPath (the subset needed
> to validate XML-Schemas) and this subset does not include "..".
OK, I think my question was confusing, sorry.
I need to do the following:
1. read the value from @xl:href
2. prepend a modification to the value found in step 1, to 'correct'
the filepath ie. ('../xml/'), to make it relative to the current
document.
3. use the modified relative path value in the 'XXE.open' command, to
open the document referenced by the @xl:href in XMLMind.
eg. if @xl:href contains the value 'work/schematic.xml' the value I
need to pass to 'XXE.open' is '../xml/work/schematic.xml'.
I hope this is clearer.
Many thanks
regards Jeremy
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