Subject: [xsl] CDATA or escape in the result tree problems From: Kjetil Kjernsmo <kjetil@xxxxxxxxxxxx> Date: Mon, 30 Oct 2006 09:35:31 +0100 |
Hi all! I'm trying to integrate TinyMCE, a JavaScript WYSIWYG editor, into my system. TinyMCE produces XHTML, and can be attached to textareas. Textareas in HTML cannot contain other HTML elements, thus the problem arises that the HTML needs to be escaped or put into a CDATA section. At first, I thought this was going to be a straightforward application of cdata-section-elements="textarea", and that is also what is indicated in the FAQ. It does not work as expected, however. I use Perl's XML::LibXSLT, which uses GNOME's libxslt. My test system is Ubuntu Dapper, with the versions 1.58-1 and 1.1.15 respectively. My production system is Debian Sarge, with somewhat older libraries. I haven't tested there yet. It may influence the situation that I have a stylesheet with the following output element: <xsl:output version="1.0" encoding="utf-8" indent="yes" method="html" media-type="text/html" doctype-public="-//W3C//DTD HTML 4.01//EN" doctype-system="http://www.w3.org/TR/html4/strict.dtd" cdata-section-elements="textarea" /> which imports a stylesheet match-control.xsl that contains <textarea name="{@name}" id="{@name}" rows="{@rows}" cols="{@cols}"> <xsl:copy-of select="./ct:value/*/*"/> </textarea> This outputs HTML, not wrapped in a CDATA, nor escaped. If I run the resulting code through the W3C HTML validator, it complains that it is invalid. I'd like the resulting nodes of <xsl:copy-of select="./ct:value/*/*"/> put into a CDATA section, or perhaps escaped. Any ideas why this is so? Is it because I import this stylesheet? Is it a weakness with libxslt? Or have I misunderstood cdata-section-elements? Now, I assume that a CDATA section is The Right Way To Do It, but I don't know if TinyMCE thinks likewise. I have seen it simply escape < and > to < and >, and still submit it back as proper HTML. So, I figured, maybe I should be more pragmatic about it (I'm normally such a purist), and just escape them too... The problem is that I allow users to insert pretty much any HTML in there. My application does some validation and a bit of cleanup, so it should be valid, but that makes is slightly harder to write the template that it should match on if I were to just escape the HTML. If the cdata thing above seems hard to do, I would be happy for advices on how to do this as well. Cheers, Kjetil -- Kjetil Kjernsmo Programmer / Astrophysicist / Ski-orienteer / Orienteer / Mountaineer kjetil@xxxxxxxxxxxx Homepage: http://www.kjetil.kjernsmo.net/ OpenPGP KeyID: 6A6A0BBC
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