In general XSLT transformations are not reversible.
For example, the following transformation is obviously non-reversible:
<xsl:template match="/">
<z><xsl:value-of select="count(//*)"/></z>
</xsl:template>
There may be some transformations that are reversible, but as with any other
programming language, you will have to write the reverse transformation by
hand.
Michael Kay
http://www.saxonica.com/
-----Original Message-----
From: omprakash(_dot_)v(_at_)polaris(_dot_)co(_dot_)in
[mailto:omprakash(_dot_)v(_at_)polaris(_dot_)co(_dot_)in]
Sent: 08 April 2005 12:06
To: xsl-list(_at_)lists(_dot_)mulberrytech(_dot_)com
Subject: Re: [xsl] sum function and math expressions
Hi,
After posting a lot of questions in the past few days and
receiving helpful answers for many of those, I would like to
pose another
question hoping to get a learned reply from some of the
experts in the
group. The problem as is common to other problems is " Is
this doable using
XSLT".
Iam trying to take a htm file that I have just transformed
from an XML file
back into the XML file by performing an inverse transform.
This process
cannot be "lossy" for it to be useful. i.e the xml file
generated by the
inverse transform should be identical in all respects (to an
accuracy of
99.1% - the remainder allowed for unavoidable things like
cdata sections
etc.).
The problem areas I have noticed so far are as follows though
there could
be many others:
1. namespace declarations
2. entities
I would appreciate a candid answer if possible.
Cheers,
Omprakash.V
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