Thanks for that.
I'm having difficulty getting the desired effect, though (either with
params or attribute sets), which I think is due to my
misunderstanding of Xpath query syntax. I've constructed a very
small case that illustrates my misunderstanding.
Within an attribute-set, the following evaluates as true
<xsl:when test="/book">
But the following does not:
<xsl:when test="/book/info[1]">
nor does
<xsl:when test="/book/info">
I would have thought that, since my <book> contains an <info>
element, that the second and third expressions would each return one
node, and thus evaluate to true. This understanding is based on the
following example from the W3 XPath specification (http://www.w3.org/
TR/xpath#path-abbrev)
"/doc/chapter[5]/section[2] selects the second section of the fifth
chapter of the doc"
I'm sure that I'm making a very basic error here - could someone help
me clarify my understanding?
Thanks,
Geraint North
Principal Engineer
Transitive
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On 13 Dec 2007, at 21:05, Bob Stayton wrote:
Hi,
Keep in mind that a top level parameter is processed once only,
when the stylesheet is loaded. As such, a parameter is good for
global properties. For properties on elements with different
attributes or content, you can use something similar in the value
of an attribute inside an attribute-set. For an example of that
syntax, see:
http://www.sagehill.net/docbookxsl/PrintTableStyles.html#TableTitle
An attribute-set is evaluated each time it is used on an element,
so the condition can resolve differently for different element
instances.
Bob Stayton
Sagehill Enterprises
[EMAIL PROTECTED]
----- Original Message ----- From: "Geraint North"
<[EMAIL PROTECTED]>
To: "Thomas Schraitle" <[EMAIL PROTECTED]>
Cc: <[email protected]>
Sent: Thursday, December 13, 2007 12:29 AM
Subject: Re: [docbook-apps] Something like an attribute-set, but
different
That's great - I didn't realise that the parameters could be
dynamically configured in that way (but of course they can be,
thinking about it) - that will make life very easy indeed.
Thanks,
Geraint North
Principal Engineer
Transitive
On 12 Dec 2007, at 19:29, Thomas Schraitle wrote:
Hi,
On Mittwoch, 12. Dezember 2007, Geraint North wrote:
I've got a few situations where I'd like to set some attributes
based
on some top-level properties of my DocBook Book. For example:
- If the <book>'s lang is "ja", use a set of Japanese fonts, rather
than the defaults.
That's pretty easy. You have to create a customization layer as
shown in
[1] and insert the following parameter:
<xsl:param name="body.font.family">
<xsl:choose>
<xsl:when test="/book/@lang='ja'">
<xsl:text><!-- Insert your fonts here --></xsl:text>
</xsl:when>
<xsl:otherwise>serif</xsl:otherwise>
</xsl:choose>
</xsl:param>
Probably you need to configure the other parameters like
sans.font.family
as well (see [2]).
- If the confidentiality level of the document (my own tag) is
"Confidential", print the chapter titles in black rather than blue.
For this check I need to know where your confidentiality element is
allowed.
I am not 100% sure, maybe there are better methods, but you can
change the
attribute set chapter.titlepage.recto.style (untested):
<xsl:attribute-set name="chapter.titlepage.recto.style">
<xsl:attribute name="color">
<xsl:choose>
<!-- Adapt the XPath in test to your needs -->
<xsl:when test="/*/confidentiality = 'Confidental'">
<xsl:text>black</xsl:text>
</xsl:when>
<xsl:otherwise>blue</xsl:otherwise>
</xsl:choose>
</xsl:attribute>
</xsl:attribute-set>
Insert it into your customization layer too. :)
Hope that helps,
Tom
---------
[1]
http://www.sagehill.net/docbookxsl/
CustomMethods.html#CustomizationLayer
[2] http://docbook.sourceforge.net/release/xsl/current/doc/fo/
fonts.html
--
Thomas Schraitle
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