Try whether http://www.xsltfunctions.com/xsl/functx_escape-for-regex.html
does what you want.
Or simply use a more generally applicable function -- the
f:str-dropWhile() function of FXSL like this:
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:f="http://fxsl.sf.net/";
exclude-result-prefixes="f"
<xsl:import href="../f/func-str-dropWhile2.xsl"/>
<xsl:import href="../f/func-standardStringXpathFunctions.xsl"/>
<xsl:import href="../f/func-str-reverse.xsl"/>
<xsl:output method="text"/>
<xsl:template match="/">
<xsl:variable name="pStr" select=
"' . ; ; Hello: ;.,...:::'"/>
'<xsl:sequence select=
"f:str-reverse(
f:str-dropWhile(
f:str-reverse($pStr),
f:contains('.:,;/')
)
)"/>'
</xsl:template>
</xsl:stylesheet>
When the above transformation is applied (to any source xml file --
ignored), the wanted result is produced:
' . ; ; Hello: '
Actually, we produce the result in a simple one-liner. In combination
with the function f:str-dropWhile(), the following two FXSL functions
are used in this expression:
f:str-reverse($someString) -- reverses a string.
f:contains($aString, $SecndString) -- this is the FXSL wrapper
around the standard XPath function contains()
Using this wrapper allows us to refer to the partial application of
f:contains(), when the first argument of the function is known at
runtime.
Finally, here is the code of f:str-dropWhile() I am using (the one
currently in sourceforge is 4 years old, so I just produced a newer
version, which I will upload to the CVS shortly):
<xsl:stylesheet version="2.0"
xmlns:xsl="http://www.w3.org/1999/XSL/Transform";
xmlns:xs="http://www.w3.org/2001/XMLSchema";
xmlns:f="http://fxsl.sf.net/";
exclude-result-prefixes="f xs"
<xsl:import href="func-apply.xsl"/>
<xsl:function name="f:str-dropWhile">
<xsl:param name="pStr" as="xs:string"/>
<xsl:param name="pPredicate" as="element()"/>
<xsl:sequence select=
"if(not($pStr))
then ()
else
for $vDrop in f:apply($pPredicate,
substring($pStr, 1, 1)
)
return
if($vDrop)
then
f:str-dropWhile(substring($pStr, 2),
$pPredicate
)
else
$pStr"
/>
</xsl:function>
</xsl:stylesheet>
Please, note that f:str-dropWhile() is just like the f:dropWhile()
function, but for the specific case when we have a list of characters
(string).
--
Cheers,
Dimitre Novatchev
---------------------------------------
Truly great madness cannot be achieved without significant intelligence.
---------------------------------------
To invent, you need a good imagination and a pile of junk
-------------------------------------
Never fight an inanimate object
-------------------------------------
You've achieved success in your field when you don't know whether what
you're doing is work or play
On Mon, Aug 25, 2008 at 10:24 AM, Martin Honnen
<Martin(_dot_)Honnen(_at_)gmx(_dot_)de> wrote:
Houghton,Andrew wrote:
I currently am using XSL 2.0 and have a template that basically looks
like:
<xsl:template name="chopPunctuation" as="xsd:string"> <xsl:param
name="chopString" as="xsd:string" required=yes" /> <xsl:param
name="punctuation" as="xsd:string" required="no"
select="string('.:,;/ ')" /> <xsl:variable name="rePattern"
as="xsd:string" select="concat('[',$punctuation,']+$')" /> <xsl:value-of
select="replace($chopString,$rePattern,'')" /> </xsl:template>
Basically the template accepts a string and a list of characters to
remove from the end of the string. The problem here is that I know I
just cannot drop $punctuation into the created on-the-fly regular
expression $rePattern since I have to account for any meta characters
that $punctuation might have. I'm sure someone has come across this
issue and has a function that will quote the necessary meta
characters for a regular expression character class. Seems like this
should be part of the standard XPath 2.0 functions to hide the
details of regular expressions. After all Perl has had quotemeta()
for quite some time...
Try whether http://www.xsltfunctions.com/xsl/functx_escape-for-regex.html
does what you want.
--
Martin Honnen
http://JavaScript.FAQTs.com/
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