[Openstack-docs] Use of XML xi:include with xpointer
Sean Roberts
seanrob at yahoo-inc.com
Mon Aug 5 21:23:55 UTC 2013
Thanks for the heads up
Sean Roberts
Infrastructure Strategy
seanrob at yahoo-inc.com<mailto:seanrob at yahoo-inc.com> (925) 980-4729
On Aug 5, 2013, at 2:10 PM, David Cramer <david.cramer at rackspace.com<mailto:david.cramer at rackspace.com>>
wrote:
Unfortunately, the (confusingly named) xpointer scheme was only ever
supported by libxml (xsltproc/xmllint). We're using Calabash to process
the xml which supports the xpath() scheme. In my other post I provide
examples of how to grab all the children of an element or all except for
the title.
In my experiments, I haven't gotten Calabash to be namespace-aware when
handling the xpath expressions. I've posted a question to xproc-dev
about this to find out what's up.
Regards,
David
On 07/31/2013 10:36 AM, Shaun McCance wrote:
XInclude doesn't let you add child elements to the included element,
but you can include multiple elements with XInclude, just not with
the element() scheme. The xpointer() scheme allows you to use XPath,
so you can put something at the end by manually duplicating the
section element, then including the child content of the target
section element:
<section id="some_id">
<xi:include href="some_file.xml"
xpointer="xpointer(id('some_id')/*)"/>
<para>Something at the end</para>
</section>
It's more complicated to put something at the beginning, because
you have to account for things like title and info elements. Not
accounting for titleabbrev and subtitle:
<section id="some_id">
<xi:include href="some_file.xml"
xpointer="xmlns(db=http://docbook.org/ns/docbook)
xpointer(id('some_id')/db:title)">
<xi:fallback/>
</xi:include>
<xi:include href="some_file.xml"
xpointer="xmlns(db=http://docbook.org/ns/docbook)
xpointer(id('some_id')/db:info)">
<xi:fallback/>
</xi:include>
<para>Something at the beginning</para>
<xi:include href="some_file.xml"
xpointer="xmlns(db=http://docbook.org/ns/docbook)
xpointer(id('some_id')/*
[not(self::db:title or self::db:info)]
)"/>
<para>Something at the end</para>
</section>
Kind of messy, but still more long-term maintainable than manually
including each child element of the target section.
I wrote a howto on XInclude a couple years back, which you might
find useful:
http://blogs.gnome.org/shaunm/2011/07/21/understanding-xinclude/
--
Shaun
On Wed, 2013-07-31 at 02:41 +0000, Sean Roberts wrote:
Both actually. I want to place a submit bug link at the end of each
section. Also want to add some text at the beginning for many of the
included sections describing training objectives.
I'd also be interested in ideas on using xslt to rip and replace tags.
But that probably can wait a little bit.
~sean
On Jul 30, 2013, at 9:18, "Anne Gentle"
<annegentle at justwriteclick.com> wrote:
Hi Sean,
Do you want some sort of "glue text" so that the guide can be read
in a linear way? Or is it text that you'll use over and over, such
as "Now go take the test." Let us know what you're trying to do.
You can't really strip a tag at a time without XSLT (the transform
code that lives in the Maven plugin).
Anne
On Tue, Jul 30, 2013 at 9:19 AM, Sean Roberts
<seanrob at yahoo-inc.com> wrote:
Ideas on how to add text to the included section or final
page? Part of the problem may be from that I'm stuck using
the chapter or section of the original XML. If I could
include, strip the section tags, then I could add text no
problem.
~sean
On Jul 30, 2013, at 6:54, "Anne Gentle"
<annegentle at justwriteclick.com> wrote:
I think DocBook sees the markup as a closed section
followed by a para whic is invalid.
Anne Gentle
Content Stacker
anne at openstack.org
On Jul 30, 2013, at 8:38 AM, Sean Roberts
<seanrob at yahoo-inc.com> wrote:
I am pulling in a section through <xi:include
href="http.....xpointer="element(foobar)"></xi:include>
If I want to use additional text, I'm forced to make it
a section as well. I want to add text to the beginning
or end of the the included section.
I tried <xi:include
href="http.....xpointer="element(foobar)"><para>blah
blah</para></xi:include>
, which shows up without error in oxygen, but maven
seems to strip it out during HTML build.
~sean
On Jul 30, 2013, at 6:24, "Anne Gentle"
<annegentle at justwriteclick.com> wrote:
Hi Sean,
Post your XML code so we can take a closer look, or a
link to the patch and the file name so we can look at
it.
Thanks!
Anne
On Tue, Jul 30, 2013 at 2:56 AM, Sean Roberts
<seanrob at yahoo-inc.com> wrote:
I have another question. I'm bringing in the
sections which is the smallest page into the
built HTML. I'm trying to add text and links
within the final HTML page without success.
Oxygen shows the link and text fine, but the
maven built site only has the included
section. Perhaps some adjustment within the
pom file...
~sean
On Jul 29, 2013, at 9:34, "Diane Fleming"
<diane.fleming at rackspace.com> wrote:
I don't know if this will work, but this is
how I used xpointer to pull in
content from one file to another:
Target file (pulls in content)
<title>Overview</title>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over1)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over2)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over3)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over4)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over5)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over6)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over7)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over8)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over9)"/>
<xi:include href="ch_gs_overview.xml"
xpointer="element(over10)"/>
<xi:include href="section_virt_ext.xml"/>
Source file
<title>Overview</title>
<section
xml:id="cn_overview"><title>Cloud
Networks</title>
<para xml:id="over1">Cloud Networks lets
you create a virtual
Layer 2 network, known as an isolated
network, which gives you
greater control and security when you
deploy web applications.
</para>
<para xml:id="over2">When you create a
next generation Cloud
Server, Cloud Networks enables you to
attach one or more
networks to your server. You can
attach an isolated network
that you have created or a Rackspace
network. </para>
<para xml:id="over3">If you install the
&virt_ext;, you can create
a virtual interface to a specified
Rackspace or isolated
network and attach that network to an
existing server
instance. You can also list virtual
interfaces for and delete
virtual interfaces from a server
instance. For information
about the &virt_ext;, see <xref
linkend="section_virt_ext"
/>.</para>
etc.
Diane
----------------------------------------------
Diane Fleming
Software Developer II - US
diane.fleming at rackspace.com
Cell 512.323.6799
Office 512.874.1260
Skype drfleming0227
Google-plus diane.fleming at gmail.com
On 7/29/13 9:27 AM, "Sean Roberts"
<seanrob at yahoo-inc.com> wrote:
I'm working on reusing content from remote
XML formatted sources to
create new content. I'm using xi:include
xpointer to a section of an
existing XML file. Using the editor oxygen
I can see the remote content,
so I know my href is valid. But maven fails
to build the html from the
xml returning bad pointer.
The remote content isn't using DTD or
XMLschema. I'm hoping I can figure
out how to walk the structure without
having to.
Any XML peoples that can help?
~sean
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--
Anne Gentle
annegentle at justwriteclick.com
--
Anne Gentle
annegentle at justwriteclick.com
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