[oXygen-user] how to make processing instructions work with an Oxygen Docbook transform?

Robert Nagle
Wed Jul 16 13:46:29 CDT 2014


Hi, there,

(I'm on the latest version of Oxygen Author, using FOP PDF transform).

I'd like to use a  Dcobook processing instruction for page breaks on PDF --
as mentioned in Bob's book.
http://www.sagehill.net/docbookxsl/PageBreaking.html#HardPageBreaks

I'd like to use one of the Oxygen transforms for Docbook. What are my
options here? I see that in the transform dialog you have an "Additional
XSLT stylesheet" option on the XSLT tab. Can I use that?

I created a file pi-docbook.xsl which is just  this:


<?xml version="1.0" encoding="UTF-8"?>
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" xmlns:fo="
http://www.w3.org/1999/XSL/Format"
    xmlns:d="http://docbook.org/ns/docbook"
    exclude-result-prefixes="d"
    xmlns="http://www.w3.org/1999/xhtml" version="1.0">
    <xsl:template match="processing-instruction('hard-pagebreak')">
        <fo:block break-after='page'/>
    </xsl:template>
</xsl:stylesheet>

If I add this simple XSL file to use as an additional XSLT stylesheet (in
the Edit Scenario dialog--> XSLT tab),  it gave me an error.  (See below).
It seems to give me some prolog errors.  I have used processing
instructions successfully if I download my own Docbook XSLT and transform
my project using a customization layer (which then imports the docbook
files).  I know how to do that.

But I'm working for a client and would like to give them something easy
which they can do entirely with the Oxygen transforms. Do you have any
ideas about how to do PIs?  or do you know why I get this error message?
thanks.



  The process 'Apache FOP' ended with code: 1.
The error was:
ERROR - Exception
org.apache.fop.apps.FOPException: org.xml.sax.SAXParseException;
systemId: file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
net.sf.saxon.trans.XPathException: org.xml.sax.SAXParseException;
systemId: file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
	at org.apache.fop.cli.InputHandlerFOP.transformTo(Unknown Source)
	at org.apache.fop.cli.InputHandlerFOP.renderTo(Unknown Source)
	at org.apache.fop.cli.Main.startFOP(Main.java:177)
	at org.apache.fop.cli.Main.main(Main.java:208)
Caused by: net.sf.saxon.trans.XPathException:
org.xml.sax.SAXParseException; systemId:
file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
	at net.sf.saxon.event.Sender.sendSAXSource(Sender.java:420)
	at net.sf.saxon.event.Sender.send(Sender.java:143)
	at net.sf.saxon.IdentityTransformer.transform(IdentityTransformer.java:46)
	... 4 more
Caused by: org.xml.sax.SAXParseException; systemId:
file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
	at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown
Source)
	at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLScannerXerces.reportFatalError(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown
Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at net.sf.saxon.event.Sender.sendSAXSource(Sender.java:396)
	... 6 more

---------

net.sf.saxon.trans.XPathException: org.xml.sax.SAXParseException;
systemId: file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
	at net.sf.saxon.event.Sender.sendSAXSource(Sender.java:420)
	at net.sf.saxon.event.Sender.send(Sender.java:143)
	at net.sf.saxon.IdentityTransformer.transform(IdentityTransformer.java:46)
	at org.apache.fop.cli.InputHandlerFOP.transformTo(Unknown Source)
	at org.apache.fop.cli.InputHandlerFOP.renderTo(Unknown Source)
	at org.apache.fop.cli.Main.startFOP(Main.java:177)
	at org.apache.fop.cli.Main.main(Main.java:208)
Caused by: org.xml.sax.SAXParseException; systemId:
file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
	at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown
Source)
	at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLScannerXerces.reportFatalError(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown
Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at net.sf.saxon.event.Sender.sendSAXSource(Sender.java:396)
	... 6 more
---------
org.xml.sax.SAXParseException; systemId:
file:/C:/Users/kingrobert/Documents/Dropbox/job/source/index.xml_xslt;
lineNumber: 1; columnNumber: 39; Content is not allowed in prolog.
	at org.apache.xerces.util.ErrorHandlerWrapper.createSAXParseException(Unknown
Source)
	at org.apache.xerces.util.ErrorHandlerWrapper.fatalError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLErrorReporter.reportError(Unknown Source)
	at org.apache.xerces.impl.XMLScannerXerces.reportFatalError(Unknown Source)
	at org.apache.xerces.impl.XMLDocumentScannerImpl$PrologDispatcher.dispatch(Unknown
Source)
	at org.apache.xerces.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown
Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XML11Configuration.parse(Unknown Source)
	at org.apache.xerces.parsers.XMLParser.parse(Unknown Source)
	at org.apache.xerces.parsers.AbstractSAXParser.parse(Unknown Source)
	at org.apache.xerces.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source)
	at net.sf.saxon.event.Sender.sendSAXSource(Sender.java:396)
	at net.sf.saxon.event.Sender.send(Sender.java:143)
	at net.sf.saxon.IdentityTransformer.transform(IdentityTransformer.java:46)
	at org.apache.fop.cli.InputHandlerFOP.transformTo(Unknown Source)
	at org.apache.fop.cli.InputHandlerFOP.renderTo(Unknown Source)
	at org.apache.fop.cli.Main.startFOP(Main.java:177)
	at org.apache.fop.cli.Main.main(Main.java:208)




-- 
Robert Nagle
6121 Winsome Ln #56C, Houston TX 77057-5581
(H) 713 893 3424/ (W) 832-251-7522 Carbon Neutral Since Jan 2010
http://www.robertnagle.info
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