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Description
Using XSLT to write JSON, my program either hangs or gives an inscrutable error message. The same XML/XSLT processes fine with xsltproc and with MRI.
I created this short program to demonstrate the problem:
#!/usr/bin/env ruby -w
require 'nokogiri'
doc = Nokogiri::XML('<g>Greetings</g>')
xslt = Nokogiri::XSLT(<<-STYLESHEET
<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform" version="1.0">
<xsl:output method="text" omit-xml-declaration="yes"/>
</xsl:stylesheet>
STYLESHEET
)
puts xslt.transform(doc)
The result is
RuntimeError: org.w3c.dom.DOMException: HIERARCHY_REQUEST_ERR: An attempt was made to insert a node where it is not permitted.
transform at nokogiri/XsltStylesheet.java:231
<main> at exe/test.rb:11
When I run a similar transformation using a larger XML and XSLT, the program hangs indefinitely. For that, the XML and XSLT are attached and the the program is
#!/usr/bin/env ruby -w
require 'nokogiri'
doc = Nokogiri::HTML('toc2json.html')
xslt = Nokogiri::XSLT('toc2json.xsl')
File.open('toc2json.json', 'w') do |file|
file.write xslt.transform(doc)
end