At 2011-09-16 17:19 +0100, you wrote:
I have an XSL I use for identifying the XML - e.g. takes the XML and
transforms it into another XML. This works as expected when it's XSLT.
However I need to make this work in the same work but using XSL:FO
so that it can be made pretty for print and outputted as a PDF.
I am sure this should be simple, and I am missing something obvious.
A user's vocabulary cannot simply be copied into an XSL-FO file, just
in the same way it cannot simply be copied into an HTML file.
How can I get the <xsl:copy> and <xsl:elements> working in FO, or
something similar?
By not using those instructions and translating your input into
appropriate XSL-FO constructs.
For example, match on your block-level constructs and use <fo:block>,
and match on your inline-level constructs and use <fo:inline>.
<xsl:template match="/ | node()">
<xsl:copy>
<xsl:apply-templates select="@* | node()" />
</xsl:copy>
</xsl:template>
Above you are copying your input
<xsl:template match="@*" >
<xsl:element name="attribute">
<xsl:attribute name="name">
<xsl:value-of
select="local-name()" />
</xsl:attribute>
<xsl:value-of select="." />
</xsl:element>
</xsl:template>
Unrelated to your question, the above can be replaced with:
<xsl:template match="@*"><xsl:copy/></xsl:template>
.... or even incorporated into a single template rule with:
<xsl:template match="node() | @*">
<xsl:copy>
<xsl:apply-templates select="@* | node()" />
</xsl:copy>
</xsl:template>
... but it is still inappropriate in your stylesheet to go to XSL-FO.
SAMPLE XML:
<?xml version="1.0" encoding="UTF-8"?>
<xml>
<header>
<test>This is test</test>
</header>
</xml>
The XSL-FO specification tells an engine to tolerate elements it does
not recognize when those elements are not in the XSL-FO namespace,
but it throws them and their content away.
The HTML specification tells a browser to tolerate elements it does
not recognize, but it still processes the content of that unrecognized element.
Again, draw the parallel to HTML: if you used the identity transform
in a stylesheet going to HTML, your end result would have <header>
and <test> elements in the HTML and you wouldn't get a pretty print
because a browser does not recognize your vocabulary. In HTML you
have to build a document of <div> and <span> (or whatever HTML) from your XML.
Similarly, when using XSL-FO you have to build a document of <block>
and <inline> (or whatever XSL-FO) from your XML, because the engine
does not recognize your vocabulary.
I hope this helps.
. . . . . . . . . . . Ken
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